carousel.rs revision 5ac1de00d4441748a4b183b5d406298cd18f2d27
15ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller/* 25ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * Copyright (C) 2010 The Android Open Source Project 35ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * 45ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * Licensed under the Apache License, Version 2.0 (the "License"); 55ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * you may not use this file except in compliance with the License. 65ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * You may obtain a copy of the License at 75ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * 85ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * http://www.apache.org/licenses/LICENSE-2.0 95ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * 105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * Unless required by applicable law or agreed to in writing, software 115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * distributed under the License is distributed on an "AS IS" BASIS, 125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * See the License for the specific language governing permissions and 145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * limitations under the License. 155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller */ 165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller#pragma version(1) 185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller#pragma rs java_package_name(com.android.ex.carousel); 195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller#pragma rs set_reflect_license() 205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller#include "rs_graphics.rsh" 225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 235ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millertypedef struct __attribute__((aligned(4))) Card { 246f2cc8cf611860467315ecc542f71a225625eb1cJason Sams // *** Update initCard if you add/remove fields here. 257cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rs_allocation texture; // basic card texture 267cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rs_allocation detailTexture; // screen-aligned detail texture 277cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller float2 detailTextureOffset; // offset to add, in screen coordinates 28b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float2 detailLineOffset; // offset to add to detail line, in screen coordinates 298fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma float2 detailTexturePosition[2]; // screen coordinates of detail texture, computed at draw time 305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rs_mesh geometry; 317cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rs_matrix4x4 matrix; // custom transform for this card/geometry 327cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller int textureState; // whether or not the primary card texture is loaded. 337cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller int detailTextureState; // whether or not the detail for the card is loaded. 345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int geometryState; // whether or not geometry is loaded 358fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma int cardVisible; // not bool because of packing bug? 368fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma int detailVisible; // not bool because of packing bug? 375ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney int shouldPrefetch; // not bool because of packing bug? 383adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma int64_t textureTimeStamp; // time when this texture was last updated, in ms 393adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma int64_t detailTextureTimeStamp; // time when this texture was last updated, in ms 403adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma int64_t geometryTimeStamp; // time when the card itself was last updated, in ms 415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} Card_t; 425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millertypedef struct Ray_s { 445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 position; 455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 direction; 465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} Ray; 475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 4843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millertypedef struct Plane_s { 4943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float3 point; 5043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float3 normal; 5143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float constant; 5243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} Plane; 5343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 5443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millertypedef struct Cylinder_s { 5543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float3 center; // center of a y-axis-aligned infinite cylinder 5643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float radius; 5743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} Cylinder; 5843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 595ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millertypedef struct PerspectiveCamera_s { 605ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 from; 615ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 at; 625ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 up; 635ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float fov; 645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float aspect; 655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float near; 665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float far; 675ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} PerspectiveCamera; 685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 69f664659f79399e92025e1dfe1ffbb682ff05613cJim Shumatypedef struct ProgramStore_s { 70f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rs_program_store programStore; 71f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma} ProgramStore_t; 72f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma 73420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millertypedef struct FragmentShaderConstants_s { 74420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller float fadeAmount; 753adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma float overallAlpha; 76420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller} FragmentShaderConstants; 77420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Request states. Used for loading 3D object properties from the Java client. 795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Typical properties: texture, geometry and matrices. 805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerenum { 815ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller STATE_INVALID = 0, // item hasn't been loaded 825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller STATE_LOADING, // we've requested an item but are waiting for it to load 836af401bca5f8854524d128e9df5700035fae1160Jim Shuma STATE_STALE, // we have an old item, but should request an update 846af401bca5f8854524d128e9df5700035fae1160Jim Shuma STATE_UPDATING, // we've requested an update, and will display the old one in the meantime 855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller STATE_LOADED // item was delivered 865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller}; 875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 888debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry// Interpolation modes ** THIS LIST MUST MATCH THOSE IN CarouselView.java *** 898debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berryenum { 908debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry INTERPOLATION_LINEAR = 0, 918debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry INTERPOLATION_DECELERATE_QUADRATIC = 1, 928debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry INTERPOLATION_ACCELERATE_DECELERATE_CUBIC = 2, 938debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry}; 948debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 954a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney// Detail texture alignments ** THIS LIST MUST MATCH THOSE IN CarouselView.java *** 964a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinneyenum { 974a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is centered vertically with respect to the card **/ 984a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney CENTER_VERTICAL = 1, 994a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is aligned with the top edge of the carousel view **/ 1004a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney VIEW_TOP = 1 << 1, 1014a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is aligned with the bottom edge of the carousel view (not yet implemented) **/ 1024a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney VIEW_BOTTOM = 1 << 2, 1034a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is positioned above the card (not yet implemented) **/ 1044a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney ABOVE = 1 << 3, 1054a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is positioned below the card **/ 1064a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney BELOW = 1 << 4, 1074a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Mask that selects those bits that control vertical alignment **/ 1084a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney VERTICAL_ALIGNMENT_MASK = 0xff, 1094a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney 1104a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** 1114a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * Detail is centered horizontally with respect to either the top or bottom 1124a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * extent of the card, depending on whether the detail is above or below the card. 1134a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney */ 1144a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney CENTER_HORIZONTAL = 1 << 8, 1154a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** 1164a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * Detail is aligned with the left edge of either the top or the bottom of 1174a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * the card, depending on whether the detail is above or below the card. 1184a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney */ 1194a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney LEFT = 1 << 9, 1204a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** 1214a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * Detail is aligned with the right edge of either the top or the bottom of 1224a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * the card, depending on whether the detail is above or below the card. 1234a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * (not yet implemented) 1244a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney */ 1254a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney RIGHT = 1 << 10, 1264a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Mask that selects those bits that control horizontal alignment **/ 1274a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney HORIZONTAL_ALIGNMENT_MASK = 0xff00, 1284a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney}; 1294a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney 1305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Client messages *** THIS LIST MUST MATCH THOSE IN CarouselRS.java. *** 1315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_CARD_SELECTED = 100; 1328fd40311898a9ec759a76f021642f43e617e38c4Jim Shumastatic const int CMD_DETAIL_SELECTED = 105; 133594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shumastatic const int CMD_CARD_LONGPRESS = 110; 1345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_REQUEST_TEXTURE = 200; 1355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_INVALIDATE_TEXTURE = 210; 1365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_REQUEST_GEOMETRY = 300; 1375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_INVALIDATE_GEOMETRY = 310; 1385ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_ANIMATION_STARTED = 400; 1395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_ANIMATION_FINISHED = 500; 1407cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerstatic const int CMD_REQUEST_DETAIL_TEXTURE = 600; 1417cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerstatic const int CMD_INVALIDATE_DETAIL_TEXTURE = 610; 1427cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerstatic const int CMD_PING = 1000; 1435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 144be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller// Drag model *** THIS LIST MUST MATCH THOSE IN CarouselRS.java. *** 145be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic const int DRAG_MODEL_SCREEN_DELTA = 0; // Drag relative to x coordinate of motion vector 146be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic const int DRAG_MODEL_PLANE = 1; // Drag relative to projected point on plane of carousel 147be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic const int DRAG_MODEL_CYLINDER_INSIDE = 2; // Drag relative to point on inside of cylinder 148be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic const int DRAG_MODEL_CYLINDER_OUTSIDE = 3; // Drag relative to point on outside of cylinder 149be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 1505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Constants 1511eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Millerstatic const int ANIMATION_DELAY_TIME = 100; // hold off scale animation until this time 1525ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int ANIMATION_SCALE_TIME = 200; // Time it takes to animate selected card, in ms 153dbd552175226ac69aea606953cdd3c03a58bd2ccJim Shumastatic const float3 SELECTED_SCALE_FACTOR = { 0.0f, 0.0f, 0.0f }; // increase by this % 15443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic const float OVERSCROLL_SLOTS = 1.0f; // amount of allowed overscroll (in slots) 1555ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Debug flags 1577cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerconst bool debugCamera = false; // dumps ray/camera coordinate stuff 15843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerconst bool debugSelection = false; // logs selection events 1597cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerconst bool debugTextureLoading = false; // for debugging texture load/unload 1607cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerconst bool debugGeometryLoading = false; // for debugging geometry load/unload 1617c09ccce478100d75e4427d87866ff19d758ae7aJim Shumaconst bool debugDetails = false; // for debugging detail texture geometry 162b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerconst bool debugRendering = false; // flashes display when the frame changes 16343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerconst bool debugRays = false; // shows visual depiction of hit tests, See renderWithRays(). 1645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Exported variables. These will be reflected to Java set_* variables. 1665ce730797a8a7278dfe19dac8a9460b25675fed0Jim MillerCard_t *cards; // array of cards to draw 1675ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerfloat startAngle; // position of initial card, in radians 1685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint slotCount; // number of positions where a card can be 1695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint cardCount; // number of cards in stack 170f664659f79399e92025e1dfe1ffbb682ff05613cJim Shumaint programStoresCardCount; // number of program fragment stores 1715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint visibleSlotCount; // number of visible slots (for culling) 1727cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerint visibleDetailCount; // number of visible detail textures to show 1734fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shumaint prefetchCardCount; // how many cards to keep in memory 1744a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinneyint detailTextureAlignment; // How to align detail texture with respect to card 1757c09ccce478100d75e4427d87866ff19d758ae7aJim Shumabool drawRuler; // whether to draw a ruler from the card to the detail texture 1765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerfloat radius; // carousel radius. Cards will be centered on a circle with this radius 1775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerfloat cardRotation; // rotation of card in XY plane relative to Z=1 17883d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinneybool cardsFaceTangent; // whether cards are rotated to face along a tangent to the circle 179c0bb8af58ae15674178f2db240283719918c6f28Jim Shumafloat swaySensitivity; // how much to rotate cards in relation to the rotation velocity 180c0bb8af58ae15674178f2db240283719918c6f28Jim Shumafloat frictionCoeff; // how much to slow down the carousel over time 181c0bb8af58ae15674178f2db240283719918c6f28Jim Shumafloat dragFactor; // a scale factor for how sensitive the carousel is to user dragging 182420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerint fadeInDuration; // amount of time (in ms) for smoothly switching out textures 1833adf712e636f67265da7a6ff425c87e63fc20884Jim Shumaint cardCreationFadeDuration; // amount of time (in ms) to fade while initially showing a card 184420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerfloat rezInCardCount; // this controls how rapidly distant card textures will be rez-ed in 185a9e9c4bef076e718094786edfe0290f798e1db4bJim Millerfloat detailFadeRate; // rate at which details fade as they move into the distance 18643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerfloat4 backgroundColor; 1870cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinneyint rowCount; // number of rows of cards in a given slot, default 1 1880cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinneyfloat rowSpacing; // spacing between rows of cards 1891a5b4d109397ea175b5cbaa7490ca18e78eb040fSimon Wilsonbool firstCardTop; // set true for first card on top row when multiple rows used 1900cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney 191be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerint dragModel = DRAG_MODEL_SCREEN_DELTA; 19214d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shumaint fillDirection; // the order in which to lay out cards: +1 for CCW (default), -1 for CW 193f664659f79399e92025e1dfe1ffbb682ff05613cJim ShumaProgramStore_t *programStoresCard; 194f664659f79399e92025e1dfe1ffbb682ff05613cJim Shumars_program_store programStoreBackground; 195f664659f79399e92025e1dfe1ffbb682ff05613cJim Shumars_program_store programStoreDetail; 196a9e9c4bef076e718094786edfe0290f798e1db4bJim Millerrs_program_fragment singleTextureFragmentProgram; 1973adf712e636f67265da7a6ff425c87e63fc20884Jim Shumars_program_fragment singleTextureBlendingFragmentProgram; 198a9e9c4bef076e718094786edfe0290f798e1db4bJim Millerrs_program_fragment multiTextureFragmentProgram; 1993adf712e636f67265da7a6ff425c87e63fc20884Jim Shumars_program_fragment multiTextureBlendingFragmentProgram; 2005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_program_vertex vertexProgram; 2015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_program_raster rasterProgram; 2025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_allocation defaultTexture; // shown when no other texture is assigned 2035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_allocation loadingTexture; // progress texture (shown when app is fetching the texture) 2049afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Millerrs_allocation backgroundTexture; // drawn behind everything, if set 2057cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerrs_allocation detailLineTexture; // used to draw detail line (as a quad, of course) 206420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerrs_allocation detailLoadingTexture; // used when detail texture is loading 2075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_mesh defaultGeometry; // shown when no geometry is loaded 2085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_mesh loadingGeometry; // shown when geometry is loading 20951dd0196e4f3bd4086545f5bf30038ca9ad9ac27Bryan Mawhinneyrs_matrix4x4 defaultCardMatrix; 2105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_matrix4x4 projectionMatrix; 2115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_matrix4x4 modelviewMatrix; 212420b44b8b11ec1c309ea130e69a6876325dbfef9Jim MillerFragmentShaderConstants* shaderConstants; 213420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerrs_sampler linearClamp; 2145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 2155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Local variables 2165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float bias; // rotation bias, in radians. Used for animation and dragging. 2175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic bool updateCamera; // force a recompute of projection and lookat matrices 2185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const float FLT_MAX = 1.0e37; 21943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic int animatedSelection = -1; 22043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic int currentFirstCard = -1; 2215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int64_t touchTime = -1; // time of first touch (see doStart()) 2225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float touchBias = 0.0f; // bias on first touch 22343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic float2 touchPosition; // position of first touch, as defined by last call to doStart(x,y) 224c0bb8af58ae15674178f2db240283719918c6f28Jim Shumastatic float velocity = 0.0f; // angular velocity in radians/s 22543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic bool overscroll = false; // whether we're in the overscroll animation 2268debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berrystatic bool autoscrolling = false; // whether we're in the autoscroll animation 22743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic bool isDragging = false; // true while the user is dragging the carousel 22843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic float selectionRadius = 50.0f; // movement greater than this will result in no selection 22943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic bool enableSelection = false; // enabled until the user drags outside of selectionRadius 23043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 23143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Default plane of the carousel. Used for angular motion estimation in view. 23243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic Plane carouselPlane = { 23343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller { 0.0f, 0.0f, 0.0f }, // point 23443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller { 0.0f, 1.0f, 0.0f }, // normal 23543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 0.0f // plane constant (= -dot(P, N)) 23643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller}; 2375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 238be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic Cylinder carouselCylinder = { 239be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller {0.0f, 0.0f, 0.0f }, // center 240be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 1.0f // radius - update with carousel radius. 241be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller}; 242be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 2433df59346f395434454d310b070fff195089fbaf1Jim Miller// Because allocations can't have 0 dimensions, we have to track whether or not 244f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma// cards and program stores are valid separately. 2453df59346f395434454d310b070fff195089fbaf1Jim Miller// TODO: Remove this dependency once allocations can have a zero dimension. 2463df59346f395434454d310b070fff195089fbaf1Jim Millerstatic bool cardAllocationValid = false; 247f664659f79399e92025e1dfe1ffbb682ff05613cJim Shumastatic bool programStoresAllocationValid = false; 2483df59346f395434454d310b070fff195089fbaf1Jim Miller 2495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Default geometry when card.geometry is not set. 2505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const float3 cardVertices[4] = { 2515ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller { -1.0, -1.0, 0.0 }, 2525ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller { 1.0, -1.0, 0.0 }, 2535ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller { 1.0, 1.0, 0.0 }, 2545ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller {-1.0, 1.0, 0.0 } 2555ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller}; 2565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 2575ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Default camera 2585ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic PerspectiveCamera camera = { 2595ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller {2,2,2}, // from 2605ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller {0,0,0}, // at 2615ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller {0,1,0}, // up 2625ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 25.0f, // field of view 2635ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1.0f, // aspect 2645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 0.1f, // near 2655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 100.0f // far 2665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller}; 2675ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 2685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Forward references 2695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int intersectGeometry(Ray* ray, float *bestTime); 2708fd40311898a9ec759a76f021642f43e617e38c4Jim Shumastatic int intersectDetailTexture(float x, float y, float2 *tapCoordinates); 271b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool __attribute__((overloadable)) 272b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller makeRayForPixelAt(Ray* ray, PerspectiveCamera* cam, float x, float y); 273b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool __attribute__((overloadable)) 274b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller makeRayForPixelAt(Ray* ray, rs_matrix4x4* model, rs_matrix4x4* proj, float x, float y); 2755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float deltaTimeInSeconds(int64_t current); 276be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic bool rayPlaneIntersect(Ray* ray, Plane* plane, float* tout); 277be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic bool rayCylinderIntersect(Ray* ray, Cylinder* cylinder, float* tout); 2788debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berrystatic void stopAutoscroll(); 2795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 2805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid init() { 2815ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // initializers currently have a problem when the variables are exported, so initialize 2825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // globals here. 2832ba04e061b52c488a154739379501dc833e39f79Jim Miller if (debugTextureLoading) rsDebug("Renderscript: init()", 0); 2845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller startAngle = 0.0f; 2855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller slotCount = 10; 2865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller visibleSlotCount = 1; 2877cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller visibleDetailCount = 3; 2885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bias = 0.0f; 289be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller radius = carouselCylinder.radius = 1.0f; 2905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardRotation = 0.0f; 29183d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney cardsFaceTangent = false; 2925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller updateCamera = true; 293b0f070636c29ad178f4e21306f301fe3d20c183bJim Miller backgroundColor = (float4) { 0.0f, 0.0f, 0.0f, 1.0f }; 2943df59346f395434454d310b070fff195089fbaf1Jim Miller cardAllocationValid = false; 295f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma programStoresAllocationValid = false; 2963df59346f395434454d310b070fff195089fbaf1Jim Miller cardCount = 0; 2970cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney rowCount = 1; 2980cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney rowSpacing = 0.0f; 2991a5b4d109397ea175b5cbaa7490ca18e78eb040fSimon Wilson firstCardTop = false; 300420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller fadeInDuration = 250; 301420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller rezInCardCount = 0.0f; // alpha will ramp to 1.0f over this many cards (0.0f means disabled) 302a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller detailFadeRate = 0.5f; // fade details over this many slot positions. 30351dd0196e4f3bd4086545f5bf30038ca9ad9ac27Bryan Mawhinney rsMatrixLoadIdentity(&defaultCardMatrix); 3045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 306f664659f79399e92025e1dfe1ffbb682ff05613cJim Shumastatic void updateAllocationVars() 3075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 3085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Cards 309ed5cdfa293ec57cb14b98cdc3fa00ac5ec1c1ed4Stephen Hines rs_allocation cardAlloc; 310f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rsSetObject(&cardAlloc, rsGetAllocation(cards)); 311dcfb45adbcf37de68920c181322aaa9e4e4b58d8Stephen Hines cardCount = (cardAllocationValid && rsIsObject(cardAlloc)) ? rsAllocationGetDimX(cardAlloc) : 0; 312f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma 313f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma // Program stores 314f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rs_allocation psAlloc; 315f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rsSetObject(&psAlloc, rsGetAllocation(programStoresCard)); 316f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma programStoresCardCount = (programStoresAllocationValid && rsIsObject(psAlloc) ? 317f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rsAllocationGetDimX(psAlloc) : 0); 3185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 320be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millervoid setRadius(float rad) 321be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller{ 322be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller radius = carouselCylinder.radius = rad; 323be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller} 324be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 325370b177eb74cd8a7d9a2ab06a5ee8bb3ed25f74fStephen Hinesstatic void initCard(Card_t* card) 3268b55d7500c1e5a88c415dae8dcead16b152d7929Jack Palevich{ 3276f2cc8cf611860467315ecc542f71a225625eb1cJason Sams // Object refs are always initilized cleared. 3282ba04e061b52c488a154739379501dc833e39f79Jim Miller static const float2 zero = {0.0f, 0.0f}; 3292ba04e061b52c488a154739379501dc833e39f79Jim Miller card->detailTextureOffset = zero; 3302ba04e061b52c488a154739379501dc833e39f79Jim Miller card->detailLineOffset = zero; 33151dd0196e4f3bd4086545f5bf30038ca9ad9ac27Bryan Mawhinney rsMatrixLoad(&card->matrix, &defaultCardMatrix); 3322ba04e061b52c488a154739379501dc833e39f79Jim Miller card->textureState = STATE_INVALID; 3332ba04e061b52c488a154739379501dc833e39f79Jim Miller card->detailTextureState = STATE_INVALID; 3342ba04e061b52c488a154739379501dc833e39f79Jim Miller card->geometryState = STATE_INVALID; 3358fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma card->cardVisible = false; 3368fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma card->detailVisible = false; 3375ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney card->shouldPrefetch = false; 3382ba04e061b52c488a154739379501dc833e39f79Jim Miller card->textureTimeStamp = 0; 3392ba04e061b52c488a154739379501dc833e39f79Jim Miller card->detailTextureTimeStamp = 0; 3403adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma card->geometryTimeStamp = rsUptimeMillis(); 3412ba04e061b52c488a154739379501dc833e39f79Jim Miller} 3422ba04e061b52c488a154739379501dc833e39f79Jim Miller 3436f2cc8cf611860467315ecc542f71a225625eb1cJason Samsvoid createCards(int start, int total) 3442ba04e061b52c488a154739379501dc833e39f79Jim Miller{ 3455b54f405b4a1afcf57b5ccee2026a00a1004be20Bryan Mawhinney if (!cardAllocationValid) { 3465b54f405b4a1afcf57b5ccee2026a00a1004be20Bryan Mawhinney // If the allocation is invalid, it contains a single place-holder 3475b54f405b4a1afcf57b5ccee2026a00a1004be20Bryan Mawhinney // card that has not yet been initialized (see CarouselRS.createCards). 3485b54f405b4a1afcf57b5ccee2026a00a1004be20Bryan Mawhinney // Here we ensure that it is initialized when growing the total. 3495b54f405b4a1afcf57b5ccee2026a00a1004be20Bryan Mawhinney start = 0; 3505b54f405b4a1afcf57b5ccee2026a00a1004be20Bryan Mawhinney } 3516f2cc8cf611860467315ecc542f71a225625eb1cJason Sams for (int k = start; k < total; k++) { 3526f2cc8cf611860467315ecc542f71a225625eb1cJason Sams initCard(cards + k); 3532ba04e061b52c488a154739379501dc833e39f79Jim Miller } 3542ba04e061b52c488a154739379501dc833e39f79Jim Miller 3556f2cc8cf611860467315ecc542f71a225625eb1cJason Sams // Since allocations can't have 0-size, we track validity ourselves based on the call to 3566f2cc8cf611860467315ecc542f71a225625eb1cJason Sams // this method. 3576f2cc8cf611860467315ecc542f71a225625eb1cJason Sams cardAllocationValid = total > 0; 3582ba04e061b52c488a154739379501dc833e39f79Jim Miller 3596f2cc8cf611860467315ecc542f71a225625eb1cJason Sams updateAllocationVars(cards); 3605ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3615ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 362420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller// Computes an alpha value for a card using elapsed time and constant fadeInDuration 3633adf712e636f67265da7a6ff425c87e63fc20884Jim Shumastatic float getAnimatedAlpha(int64_t startTime, int64_t currentTime, int64_t duration) 364420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller{ 365420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller double timeElapsed = (double) (currentTime - startTime); // in ms 3663adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma double alpha = duration > 0 ? (double) timeElapsed / duration : 1.0; 367420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller return min(1.0f, (float) alpha); 368420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller} 369420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 3700cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney// Returns total angle for given number of slots 3710cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinneystatic float wedgeAngle(float slots) 3725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 3730cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney return slots * 2.0f * M_PI / slotCount; 3745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 3760cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney// Return angle of slot in position p. 3770cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinneystatic float slotPosition(int p) 3785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 37914d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma return startAngle + wedgeAngle(p) * fillDirection; 3805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3815ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 3820cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney// Return angle for card in position p. 3830cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinneystatic float cardPosition(int p) 384f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller{ 3850cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney return bias + slotPosition(p / rowCount); 386f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller} 387f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller 38814d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma// Return the lowest possible bias value, based on the fill direction 38914d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shumastatic float minimumBias() 39014d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma{ 39114d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma const int totalSlots = (cardCount + rowCount - 1) / rowCount; 39214d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma return (fillDirection > 0) ? 39314d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma -max(0.0f, wedgeAngle(totalSlots - visibleDetailCount)) : 39414d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma wedgeAngle(0.0f); 39514d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma} 39614d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma 39714d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma// Return the highest possible bias value, based on the fill direction 39814d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shumastatic float maximumBias() 39914d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma{ 40014d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma const int totalSlots = (cardCount + rowCount - 1) / rowCount; 40114d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma return (fillDirection > 0) ? 40214d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma wedgeAngle(0.0f) : 40314d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma max(0.0f, wedgeAngle(totalSlots - visibleDetailCount)); 40414d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma} 40514d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma 40614d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma 407a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich// convert from carousel rotation angle (in card slot units) to radians. 408a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevichstatic float carouselRotationAngleToRadians(float carouselRotationAngle) 409a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich{ 410a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich return -wedgeAngle(carouselRotationAngle); 411a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich} 412a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich 413a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich// convert from radians to carousel rotation angle (in card slot units). 414a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevichstatic float radiansToCarouselRotationAngle(float angle) 415a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich{ 416a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich return -angle * slotCount / ( 2.0f * M_PI ); 417a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich} 418a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich 4195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Set basic camera properties: 4205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// from - position of the camera in x,y,z 4215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// at - target we're looking at - used to compute view direction 4225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// up - a normalized vector indicating up (typically { 0, 1, 0}) 4235ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// 4245ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// NOTE: the view direction and up vector cannot be parallel/antiparallel with each other 4255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid lookAt(float fromX, float fromY, float fromZ, 4265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float atX, float atY, float atZ, 4275ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float upX, float upY, float upZ) 4285ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 4295ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.from.x = fromX; 4305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.from.y = fromY; 4315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.from.z = fromZ; 4325ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.at.x = atX; 4335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.at.y = atY; 4345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.at.z = atZ; 4355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.up.x = upX; 4365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.up.y = upY; 4375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.up.z = upZ; 4385ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller updateCamera = true; 4395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 4405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 4415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Load a projection matrix for the given parameters. This is equivalent to gluPerspective() 4425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic void loadPerspectiveMatrix(rs_matrix4x4* matrix, float fovy, float aspect, float near, float far) 4435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 4445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixLoadIdentity(matrix); 4455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float top = near * tan((float) (fovy * M_PI / 360.0f)); 4465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float bottom = -top; 4475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float left = bottom * aspect; 4485ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float right = top * aspect; 4495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixLoadFrustum(matrix, left, right, bottom, top, near, far); 4505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 4515ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 4525ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Construct a matrix based on eye point, center and up direction. Based on the 4535ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// man page for gluLookat(). Up must be normalized. 4545ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic void loadLookatMatrix(rs_matrix4x4* matrix, float3 eye, float3 center, float3 up) 4555ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 4565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 f = normalize(center - eye); 4575ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 s = normalize(cross(f, up)); 4585ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 u = cross(s, f); 4595ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float m[16]; 4605ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[0] = s.x; 4615ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[4] = s.y; 4625ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[8] = s.z; 4635ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[12] = 0.0f; 4645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[1] = u.x; 4655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[5] = u.y; 4665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[9] = u.z; 4675ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[13] = 0.0f; 4685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[2] = -f.x; 4695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[6] = -f.y; 4705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[10] = -f.z; 4715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[14] = 0.0f; 4725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[3] = m[7] = m[11] = 0.0f; 4735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[15] = 1.0f; 4745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixLoad(matrix, m); 4755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixTranslate(matrix, -eye.x, -eye.y, -eye.z); 4765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 4775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 4780de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shuma/* 4790de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shuma * Returns true if a state represents a texture that is loaded enough to draw 4800de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shuma */ 4810de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shumastatic bool textureEverLoaded(int state) { 4820de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shuma return (state == STATE_LOADED) || (state == STATE_STALE) || (state == STATE_UPDATING); 4830de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shuma} 4840de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shuma 4855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid setTexture(int n, rs_allocation texture) 4865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 4873df59346f395434454d310b070fff195089fbaf1Jim Miller if (n < 0 || n >= cardCount) return; 488c4c6f38bf410af40e10c63b152befd5a39df87c8Jim Miller rsSetObject(&cards[n].texture, texture); 4898441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey if (cards[n].textureState != STATE_STALE && 4908441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey cards[n].textureState != STATE_UPDATING) { 4918441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey cards[n].textureTimeStamp = rsUptimeMillis(); 4928441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey } 4937cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[n].textureState = (texture.p != 0) ? STATE_LOADED : STATE_INVALID; 4947cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller} 4957cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 496b378af500b36226635b6343b1d5009ee9af44fc1Jim Millervoid setDetailTexture(int n, float offx, float offy, float loffx, float loffy, rs_allocation texture) 4977cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller{ 4983df59346f395434454d310b070fff195089fbaf1Jim Miller if (n < 0 || n >= cardCount) return; 499c4c6f38bf410af40e10c63b152befd5a39df87c8Jim Miller rsSetObject(&cards[n].detailTexture, texture); 5006af401bca5f8854524d128e9df5700035fae1160Jim Shuma if (cards[n].detailTextureState != STATE_STALE && 5016af401bca5f8854524d128e9df5700035fae1160Jim Shuma cards[n].detailTextureState != STATE_UPDATING) { 5026af401bca5f8854524d128e9df5700035fae1160Jim Shuma cards[n].detailTextureTimeStamp = rsUptimeMillis(); 5036af401bca5f8854524d128e9df5700035fae1160Jim Shuma } 5047cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[n].detailTextureOffset.x = offx; 5057cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[n].detailTextureOffset.y = offy; 506b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller cards[n].detailLineOffset.x = loffx; 507b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller cards[n].detailLineOffset.y = loffy; 5087cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[n].detailTextureState = (texture.p != 0) ? STATE_LOADED : STATE_INVALID; 5096af401bca5f8854524d128e9df5700035fae1160Jim Shuma} 5106af401bca5f8854524d128e9df5700035fae1160Jim Shuma 5118441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkeyvoid invalidateTexture(int n, bool eraseCurrent) 5128441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey{ 5138441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey if (n < 0 || n >= cardCount) return; 5148441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey if (eraseCurrent) { 5158441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey cards[n].textureState = STATE_INVALID; 5168441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey rsClearObject(&cards[n].texture); 5178441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey } else { 5180de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shuma cards[n].textureState = 5190de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shuma textureEverLoaded(cards[n].textureState) ? STATE_STALE : STATE_INVALID; 5208441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey } 5218441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey} 5228441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey 5236af401bca5f8854524d128e9df5700035fae1160Jim Shumavoid invalidateDetailTexture(int n, bool eraseCurrent) 5246af401bca5f8854524d128e9df5700035fae1160Jim Shuma{ 5256af401bca5f8854524d128e9df5700035fae1160Jim Shuma if (n < 0 || n >= cardCount) return; 5266af401bca5f8854524d128e9df5700035fae1160Jim Shuma if (eraseCurrent) { 5276af401bca5f8854524d128e9df5700035fae1160Jim Shuma cards[n].detailTextureState = STATE_INVALID; 5286af401bca5f8854524d128e9df5700035fae1160Jim Shuma rsClearObject(&cards[n].detailTexture); 5296af401bca5f8854524d128e9df5700035fae1160Jim Shuma } else { 5300de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shuma cards[n].detailTextureState = 5310de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shuma textureEverLoaded(cards[n].detailTextureState) ? STATE_STALE : STATE_INVALID; 5326af401bca5f8854524d128e9df5700035fae1160Jim Shuma } 5335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 5345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 5355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid setGeometry(int n, rs_mesh geometry) 5365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 5373df59346f395434454d310b070fff195089fbaf1Jim Miller if (n < 0 || n >= cardCount) return; 538c4c6f38bf410af40e10c63b152befd5a39df87c8Jim Miller rsSetObject(&cards[n].geometry, geometry); 5395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[n].geometry.p != 0) 5405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[n].geometryState = STATE_LOADED; 5415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller else 5425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[n].geometryState = STATE_INVALID; 5433adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma cards[n].geometryTimeStamp = rsUptimeMillis(); 5445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 5455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 546c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shumavoid setMatrix(int n, rs_matrix4x4 matrix) { 547c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma if (n < 0 || n >= cardCount) return; 548c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma cards[n].matrix = matrix; 549c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma} 550c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma 551f664659f79399e92025e1dfe1ffbb682ff05613cJim Shumavoid setProgramStoresCard(int n, rs_program_store programStore) 552f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma{ 553f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rsSetObject(&programStoresCard[n].programStore, programStore); 554f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma programStoresAllocationValid = true; 555f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma} 556f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma 557a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevichvoid setCarouselRotationAngle(float carouselRotationAngle) { 558a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich bias = carouselRotationAngleToRadians(carouselRotationAngle); 559198a060d650bc849ef0f25b597888fac9546803bJack Palevich} 560198a060d650bc849ef0f25b597888fac9546803bJack Palevich 5611eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller// Gets animated scale value for current selected card. 5621eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller// If card is currently being animated, returns true, otherwise returns false. 5631eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Millerstatic bool getAnimatedScaleForSelected(float3* scale) 5645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 5655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller const float3 one = { 1.0f, 1.0f, 1.0f }; 5661eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller int64_t dt = rsUptimeMillis() - touchTime; 5671eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller if (dt >= ANIMATION_DELAY_TIME) { 5681eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller float fraction = (float) (dt - ANIMATION_DELAY_TIME) / ANIMATION_SCALE_TIME; 5691eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller fraction = min(fraction, 1.0f); 5701eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller *scale = one + fraction * SELECTED_SCALE_FACTOR; 5711eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller } else { 5721eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller *scale = one; 5731eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller } 5741eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller return dt < (ANIMATION_DELAY_TIME + ANIMATION_SCALE_TIME); // still animating; 5755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 5765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 577c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma// The Verhulst logistic function: http://en.wikipedia.org/wiki/Logistic_function 578c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma// P(t) = 1 / (1 + e^(-t)) 579c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma// Parameter t: Any real number 580c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma// Returns: A float in the range (0,1), with P(0.5)=0 581c0bb8af58ae15674178f2db240283719918c6f28Jim Shumastatic float logistic(float t) { 582af8cf9a3bbe517b604b48e217b00085351ab2496Shih-wei Liao return 1.f / (1.f + exp(-t)); 583c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma} 584c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma 5857c09ccce478100d75e4427d87866ff19d758ae7aJim Shumastatic float getSwayAngleForVelocity(float v, bool enableSway) 586c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma{ 5877c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma float sway = 0.0f; 5887c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma 5897c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma if (enableSway) { 590d7fa647e6fa4e832381be5bdd03065f9ea35c3f1Jim Shuma const float range = M_PI * 2./3.; // How far we can deviate from center, peak-to-peak 591d7fa647e6fa4e832381be5bdd03065f9ea35c3f1Jim Shuma sway = range * (logistic(-v * swaySensitivity) - 0.5f); 5927c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma } 593c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma 594c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma return sway; 595c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma} 596c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma 5970cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney// Returns the vertical offset for a card in its slot, 5980cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney// depending on the number of rows configured. 5990cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinneystatic float getVerticalOffsetForCard(int i) { 6000cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney if (rowCount == 1) { 6010cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney // fast path 6020cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney return 0; 6030cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney } 604c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma const float cardHeight = (cardVertices[3].y - cardVertices[0].y) * 6057d27aa4388936d7607407d25cc52d42e00f6567aJim Shuma rsMatrixGet(&defaultCardMatrix, 1, 1); 6060cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney const float totalHeight = rowCount * (cardHeight + rowSpacing) - rowSpacing; 6071a5b4d109397ea175b5cbaa7490ca18e78eb040fSimon Wilson if (firstCardTop) 6081a5b4d109397ea175b5cbaa7490ca18e78eb040fSimon Wilson i = rowCount - (i % rowCount) - 1; 6091a5b4d109397ea175b5cbaa7490ca18e78eb040fSimon Wilson else 6101a5b4d109397ea175b5cbaa7490ca18e78eb040fSimon Wilson i = i % rowCount; 6111a5b4d109397ea175b5cbaa7490ca18e78eb040fSimon Wilson const float rowOffset = i * (cardHeight + rowSpacing); 6120cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney return (cardHeight - totalHeight) / 2 + rowOffset; 6130cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney} 6140cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney 6151eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller/* 6161eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * Composes a matrix for the given card. 6171eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * matrix: The output matrix. 6181eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * i: The card we're getting the matrix for. 6191eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * enableSway: Whether to enable swaying. (We want it on for cards, and off for detail textures.) 620c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma * enableCardMatrix: Whether to also consider the user-specified card matrix 6211eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * 6221eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * returns true if an animation is being applied to the given card 6231eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller */ 624c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shumastatic bool getMatrixForCard(rs_matrix4x4* matrix, int i, bool enableSway, bool enableCardMatrix) 6255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 6265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float theta = cardPosition(i); 6277c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma float swayAngle = getSwayAngleForVelocity(velocity, enableSway); 6285ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixRotate(matrix, degrees(theta), 0, 1, 0); 6290cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney rsMatrixTranslate(matrix, radius, getVerticalOffsetForCard(i), 0); 63083d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney float rotation = cardRotation + swayAngle; 63183d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney if (!cardsFaceTangent) { 63283d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney rotation -= theta; 63383d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney } 63483d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney rsMatrixRotate(matrix, degrees(rotation), 0, 1, 0); 6351eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller bool stillAnimating = false; 63643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (i == animatedSelection && enableSelection) { 6371eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller float3 scale; 6381eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller stillAnimating = getAnimatedScaleForSelected(&scale); 6395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixScale(matrix, scale.x, scale.y, scale.z); 6405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 641c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma // TODO(jshuma): Instead of ignoring this matrix for the detail texture, use card bounding box 642c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma if (enableCardMatrix) { 643c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma rsMatrixLoadMultiply(matrix, matrix, &cards[i].matrix); 644c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma } 6451eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller return stillAnimating; 6465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 6475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 648420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller/* 649f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma * Draws the requested mesh, with the appropriate program store in effect. 650f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma */ 651f664659f79399e92025e1dfe1ffbb682ff05613cJim Shumastatic void drawMesh(rs_mesh mesh) 652f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma{ 653f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma if (programStoresCardCount == 1) { 654f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma // Draw the entire mesh, with the only available program store 655f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rsgBindProgramStore(programStoresCard[0].programStore); 656f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rsgDrawMesh(mesh); 657f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma } else { 658f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma // Draw each primitive in the mesh with the corresponding program store 659f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma for (int i=0; i<programStoresCardCount; ++i) { 660f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma if (programStoresCard[i].programStore.p != 0) { 661f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rsgBindProgramStore(programStoresCard[i].programStore); 662f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rsgDrawMesh(mesh, i); 663f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma } 664f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma } 665f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma } 666f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma} 667f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma 668f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma/* 669420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller * Draws cards around the Carousel. 670420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller * Returns true if we're still animating any property of the cards (e.g. fades). 671420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller */ 672420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerstatic bool drawCards(int64_t currentTime) 6735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 674420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller const float wedgeAngle = 2.0f * M_PI / slotCount; 675420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller const float endAngle = startAngle + visibleSlotCount * wedgeAngle; 676420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller bool stillAnimating = false; 677420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller for (int i = cardCount-1; i >= 0; i--) { 6788fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (cards[i].cardVisible) { 679420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // If this card was recently loaded, this will be < 1.0f until the animation completes 6803adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma float animatedAlpha = getAnimatedAlpha(cards[i].textureTimeStamp, currentTime, 6813adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma fadeInDuration); 6823adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma float overallAlpha = getAnimatedAlpha(cards[i].geometryTimeStamp, currentTime, 6833adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma cardCreationFadeDuration); 6843adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma if (animatedAlpha < 1.0f || overallAlpha < 1.0f) { 685420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller stillAnimating = true; 686420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller } 687420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 688420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // Compute fade out for cards in the distance 689420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller float positionAlpha; 690420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller if (rezInCardCount > 0.0f) { 691420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller positionAlpha = (endAngle - cardPosition(i)) / wedgeAngle; 692420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller positionAlpha = min(1.0f, positionAlpha / rezInCardCount); 693420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller } else { 694420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller positionAlpha = 1.0f; 695420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller } 696420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 697420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // Set alpha for blending between the textures 698420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller shaderConstants->fadeAmount = min(1.0f, animatedAlpha * positionAlpha); 6993adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma shaderConstants->overallAlpha = overallAlpha; 7008a357ebe4ae3063dbb3d8b3bdf6f665b05dd8e6fJason Sams rsgAllocationSyncAll(rsGetAllocation(shaderConstants)); 701420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 702b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller // Bind the appropriate shader network. If there's no alpha blend, then 703b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller // switch to single shader for better performance. 7048441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey const int state = cards[i].textureState; 7050de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shuma bool loaded = textureEverLoaded(state) && rsIsObject(cards[i].texture); 706b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (shaderConstants->fadeAmount == 1.0f || shaderConstants->fadeAmount < 0.01f) { 7073adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma if (overallAlpha < 1.0) { 7083adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma rsgBindProgramFragment(singleTextureBlendingFragmentProgram); 7093adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma rsgBindTexture(singleTextureBlendingFragmentProgram, 0, 7103adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma (loaded && shaderConstants->fadeAmount == 1.0f) ? 7113adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma cards[i].texture : loadingTexture); 7123adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma } else { 7133adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma rsgBindProgramFragment(singleTextureFragmentProgram); 7143adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma rsgBindTexture(singleTextureFragmentProgram, 0, 7153adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma (loaded && shaderConstants->fadeAmount == 1.0f) ? 7163adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma cards[i].texture : loadingTexture); 7173adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma } 7185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 7193adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma if (overallAlpha < 1.0) { 7203adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma rsgBindProgramFragment(multiTextureBlendingFragmentProgram); 7213adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma rsgBindTexture(multiTextureBlendingFragmentProgram, 0, loadingTexture); 7223adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma rsgBindTexture(multiTextureBlendingFragmentProgram, 1, loaded ? 7233adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma cards[i].texture : loadingTexture); 7243adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma } else { 7253adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma rsgBindProgramFragment(multiTextureFragmentProgram); 7263adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma rsgBindTexture(multiTextureFragmentProgram, 0, loadingTexture); 7273adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma rsgBindTexture(multiTextureFragmentProgram, 1, loaded ? 7283adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma cards[i].texture : loadingTexture); 7293adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma } 7305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 7315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 7325ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Draw geometry 7335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rs_matrix4x4 matrix = modelviewMatrix; 734c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma stillAnimating |= getMatrixForCard(&matrix, i, true, true); 7355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgProgramVertexLoadModelMatrix(&matrix); 7365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[i].geometryState == STATE_LOADED && cards[i].geometry.p != 0) { 737f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma drawMesh(cards[i].geometry); 7385ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else if (cards[i].geometryState == STATE_LOADING && loadingGeometry.p != 0) { 739f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma drawMesh(loadingGeometry); 7405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else if (defaultGeometry.p != 0) { 741f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma drawMesh(defaultGeometry); 7425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 7435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Draw place-holder geometry 744f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rsgBindProgramStore(programStoresCard[0].programStore); 7455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgDrawQuad( 7465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardVertices[0].x, cardVertices[0].y, cardVertices[0].z, 7475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardVertices[1].x, cardVertices[1].y, cardVertices[1].z, 7485ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardVertices[2].x, cardVertices[2].y, cardVertices[2].z, 7495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardVertices[3].x, cardVertices[3].y, cardVertices[3].z); 7505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 7515ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 7525ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 753420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller return stillAnimating; 7545ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 7555ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 7564fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma/** 7574fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma * Convert projection from normalized coordinates to pixel coordinates. 7584fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma * 7594fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma * @return True on success, false on failure. 7604fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma */ 7614fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shumastatic bool convertNormalizedToPixelCoordinates(float4 *screenCoord, float width, float height) { 7624fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma // This is probably cheaper than pre-multiplying with another matrix. 7634fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma if (screenCoord->w == 0.0f) { 7644fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma rsDebug("Bad transform while converting from normalized to pixel coordinates: ", 7654fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord); 7664fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma return false; 7674fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 7684fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma *screenCoord *= 1.0f / screenCoord->w; 7694fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->x += 1.0f; 7704fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->y += 1.0f; 7714fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->z += 1.0f; 7724fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->x = round(screenCoord->x * 0.5f * width); 7734fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->y = round(screenCoord->y * 0.5f * height); 7744fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->z = - 0.5f * screenCoord->z; 7754fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma return true; 7764fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma} 7774fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma 7787cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller/* 7797cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller * Draws a screen-aligned card with the exact dimensions from the detail texture. 7804a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * This is used to display information about the object being displayed. 781420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller * Returns true if we're still animating any property of the cards (e.g. fades). 7827cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller */ 783420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerstatic bool drawDetails(int64_t currentTime) 7847cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller{ 7857cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float width = rsgGetWidth(); 7867cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float height = rsgGetHeight(); 7877cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 788420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller bool stillAnimating = false; 789420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 7907cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // We'll be drawing in screen space, sampled on pixel centers 7917cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rs_matrix4x4 projection, model; 7927cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsMatrixLoadOrtho(&projection, 0.0f, width, 0.0f, height, 0.0f, 1.0f); 7937cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsgProgramVertexLoadProjectionMatrix(&projection); 7947cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsMatrixLoadIdentity(&model); 7957cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsgProgramVertexLoadModelMatrix(&model); 7967cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller updateCamera = true; // we messed with the projection matrix. Reload on next pass... 7977cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 7987cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float yPadding = 5.0f; // draw line this far (in pixels) away from top and geometry 7997cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 800420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // This can be done once... 801a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller rsgBindTexture(multiTextureFragmentProgram, 0, detailLoadingTexture); 802a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller 803a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller const float wedgeAngle = 2.0f * M_PI / slotCount; 804a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller // Angle where details start fading from 1.0f 805a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller const float startDetailFadeAngle = startAngle + (visibleDetailCount - 1) * wedgeAngle; 806a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller // Angle where detail alpha is 0.0f 807a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller const float endDetailFadeAngle = startDetailFadeAngle + detailFadeRate * wedgeAngle; 808420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 809a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller for (int i = cardCount-1; i >= 0; --i) { 8108fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (cards[i].cardVisible) { 8116af401bca5f8854524d128e9df5700035fae1160Jim Shuma const int state = cards[i].detailTextureState; 8120de20d1ebd3dc8e766f7f4f4dbc3f77dd7326e30Jim Shuma const bool isLoaded = textureEverLoaded(state); 8136af401bca5f8854524d128e9df5700035fae1160Jim Shuma if (isLoaded && cards[i].detailTexture.p != 0) { 8147cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float lineWidth = rsAllocationGetDimX(detailLineTexture); 8157cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 8164fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma // Compute position in screen space of top corner or bottom corner of card 817af8cf9a3bbe517b604b48e217b00085351ab2496Shih-wei Liao rsMatrixLoad(&model, &modelviewMatrix); 818c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma stillAnimating |= getMatrixForCard(&model, i, false, false); 8197cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rs_matrix4x4 matrix; 8207cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsMatrixLoadMultiply(&matrix, &projectionMatrix, &model); 821d443c88da4c7cf1947c12b26f111cb899cc8afe4Jim Miller 8224fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma int indexLeft, indexRight; 8234fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma float4 screenCoord; 8244a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & BELOW) { 8254fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma indexLeft = 0; 8264fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma indexRight = 1; 8274fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } else { 8284fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma indexLeft = 3; 8294fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma indexRight = 2; 8304fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 8314fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma float4 screenCoordLeft = rsMatrixMultiply(&matrix, cardVertices[indexLeft]); 8324fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma float4 screenCoordRight = rsMatrixMultiply(&matrix, cardVertices[indexRight]); 8334fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma if (screenCoordLeft.w == 0.0f || screenCoordRight.w == 0.0f) { 8347cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // this shouldn't happen 8357cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsDebug("Bad transform: ", screenCoord); 8367cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller continue; 8377cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 8384a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & CENTER_VERTICAL) { 8394a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // If we're centering vertically, we'll need the other vertices too 8404a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & BELOW) { 8414a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney indexLeft = 3; 8424a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney indexRight = 2; 8434a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } else { 8444a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney indexLeft = 0; 8454a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney indexRight = 1; 8464a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } 8474a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney float4 otherScreenLeft = rsMatrixMultiply(&matrix, cardVertices[indexLeft]); 8484a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney float4 otherScreenRight = rsMatrixMultiply(&matrix, cardVertices[indexRight]); 8494a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney screenCoordRight.y = screenCoordLeft.y = (screenCoordLeft.y + screenCoordRight.y 8504a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney + otherScreenLeft.y + otherScreenRight.y) / 4.; 8514a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } 8524fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma (void) convertNormalizedToPixelCoordinates(&screenCoordLeft, width, height); 8534fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma (void) convertNormalizedToPixelCoordinates(&screenCoordRight, width, height); 8544fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma if (debugDetails) { 8554fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma RS_DEBUG(screenCoordLeft); 8564fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma RS_DEBUG(screenCoordRight); 8574fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 8584fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord = screenCoordLeft; 8594a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & BELOW) { 8604fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord.y = min(screenCoordLeft.y, screenCoordRight.y); 8614a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } else if (detailTextureAlignment & CENTER_VERTICAL) { 862fe38385c1e5ce443adb962c066adeea185ad3d74Bryan Mawhinney screenCoord.y -= round(rsAllocationGetDimY(cards[i].detailTexture) / 2.0f); 8634fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 8644a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & CENTER_HORIZONTAL) { 865fe38385c1e5ce443adb962c066adeea185ad3d74Bryan Mawhinney screenCoord.x += round((screenCoordRight.x - screenCoordLeft.x) / 2.0f - 866fe38385c1e5ce443adb962c066adeea185ad3d74Bryan Mawhinney rsAllocationGetDimX(cards[i].detailTexture) / 2.0f); 8674fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 8687cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 869420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // Compute alpha for gradually fading in details. Applied to both line and 870420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // detail texture. TODO: use a separate background texture for line. 8713adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma float animatedAlpha = getAnimatedAlpha(cards[i].detailTextureTimeStamp, 8723adf712e636f67265da7a6ff425c87e63fc20884Jim Shuma currentTime, fadeInDuration); 873420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller if (animatedAlpha < 1.0f) { 874420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller stillAnimating = true; 875420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller } 876420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 877a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller // Compute alpha based on position. We fade cards quickly so they cannot overlap 878a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller float positionAlpha = ((float)endDetailFadeAngle - cardPosition(i)) 879a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller / (endDetailFadeAngle - startDetailFadeAngle); 880a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller positionAlpha = max(0.0f, positionAlpha); 881a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller positionAlpha = min(1.0f, positionAlpha); 882a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller 883a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller const float blendedAlpha = min(1.0f, animatedAlpha * positionAlpha); 884a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller 8858fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (blendedAlpha == 0.0f) { 8868fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailVisible = false; 8878fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma continue; // nothing to draw 8888fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma } else { 8898fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailVisible = true; 8908fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma } 891b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (blendedAlpha == 1.0f) { 892b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindProgramFragment(singleTextureFragmentProgram); 893b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } else { 894b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindProgramFragment(multiTextureFragmentProgram); 895b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } 896a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller 897420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // Set alpha for blending between the textures 898a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller shaderConstants->fadeAmount = blendedAlpha; 8998a357ebe4ae3063dbb3d8b3bdf6f665b05dd8e6fJason Sams rsgAllocationSyncAll(rsGetAllocation(shaderConstants)); 900420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 9014a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // Draw line from the card to the detail texture. 9024a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // The line is drawn from the top or bottom left of the card 9034a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // to either the top of the screen or the top of the detail 9044a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // texture, depending on detailTextureAlignment. 9057c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma if (drawRuler) { 9064a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney float rulerTop; 9074a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney float rulerBottom; 9084a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & BELOW) { 9094a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney rulerTop = screenCoord.y; 9104a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney rulerBottom = 0; 9114a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } else { 9124a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney rulerTop = height; 9134a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney rulerBottom = screenCoord.y; 9144a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } 9157c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma const float halfWidth = lineWidth * 0.5f; 9161eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller const float x0 = trunc(cards[i].detailLineOffset.x + screenCoord.x - halfWidth); 9171eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller const float x1 = x0 + lineWidth; 918b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float y0 = rulerBottom + yPadding; 919b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float y1 = rulerTop - yPadding - cards[i].detailLineOffset.y; 920b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 921b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (blendedAlpha == 1.0f) { 922b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(singleTextureFragmentProgram, 0, detailLineTexture); 923b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } else { 924b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(multiTextureFragmentProgram, 1, detailLineTexture); 925b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } 926b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgDrawQuad(x0, y0, screenCoord.z, x1, y0, screenCoord.z, 927b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller x1, y1, screenCoord.z, x0, y1, screenCoord.z); 9287c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma } 9297cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 9307cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // Draw the detail texture next to it using the offsets provided. 9317cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float textureWidth = rsAllocationGetDimX(cards[i].detailTexture); 9327cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float textureHeight = rsAllocationGetDimY(cards[i].detailTexture); 9337cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float offx = cards[i].detailTextureOffset.x; 9347cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float offy = -cards[i].detailTextureOffset.y; 9354a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney const float textureTop = (detailTextureAlignment & VIEW_TOP) 9364a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney ? height : screenCoord.y; 937b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float x0 = cards[i].detailLineOffset.x + screenCoord.x + offx; 938b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float x1 = cards[i].detailLineOffset.x + screenCoord.x + offx + textureWidth; 939b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float y0 = textureTop + offy - textureHeight - cards[i].detailLineOffset.y; 940b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float y1 = textureTop + offy - cards[i].detailLineOffset.y; 9418fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailTexturePosition[0].x = x0; 9428fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailTexturePosition[0].y = height - y1; 9438fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailTexturePosition[1].x = x1; 9448fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailTexturePosition[1].y = height - y0; 945b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 946b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (blendedAlpha == 1.0f) { 947b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(singleTextureFragmentProgram, 0, cards[i].detailTexture); 948b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } else { 949b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(multiTextureFragmentProgram, 1, cards[i].detailTexture); 950b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } 951b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgDrawQuad(x0, y0, screenCoord.z, x1, y0, screenCoord.z, 952b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller x1, y1, screenCoord.z, x0, y1, screenCoord.z); 9537cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 9547cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 9557cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 956420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller return stillAnimating; 9577cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller} 9587cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 9599afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Millerstatic void drawBackground() 9609afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller{ 961b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller static bool toggle; 9629afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller if (backgroundTexture.p != 0) { 9639afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgClearDepth(1.0f); 9649afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rs_matrix4x4 projection, model; 9659afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsMatrixLoadOrtho(&projection, -1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f); 9669afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgProgramVertexLoadProjectionMatrix(&projection); 9679afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsMatrixLoadIdentity(&model); 9689afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgProgramVertexLoadModelMatrix(&model); 969a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller rsgBindTexture(singleTextureFragmentProgram, 0, backgroundTexture); 9709afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller float z = -0.9999f; 9719afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgDrawQuad( 9729afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller cardVertices[0].x, cardVertices[0].y, z, 9739afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller cardVertices[1].x, cardVertices[1].y, z, 9749afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller cardVertices[2].x, cardVertices[2].y, z, 9759afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller cardVertices[3].x, cardVertices[3].y, z); 9769afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller updateCamera = true; // we mucked with the matrix. 9779afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller } else { 9789afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgClearDepth(1.0f); 979b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (debugRendering) { // for debugging - flash the screen so we know we're still rendering 980b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgClearColor(toggle ? backgroundColor.x : 1.0f, 981b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller toggle ? backgroundColor.y : 0.0f, 982b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller toggle ? backgroundColor.z : 0.0f, 983b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller backgroundColor.w); 9849afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller toggle = !toggle; 985b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } else { 9867cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsgClearColor(backgroundColor.x, backgroundColor.y, backgroundColor.z, 9877cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller backgroundColor.w); 9889afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller } 9899afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller } 9909afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller} 9919afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller 9925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic void updateCameraMatrix(float width, float height) 9935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 9945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float aspect = width / height; 9955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (aspect != camera.aspect || updateCamera) { 9965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.aspect = aspect; 9975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller loadPerspectiveMatrix(&projectionMatrix, camera.fov, camera.aspect, camera.near, camera.far); 9985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgProgramVertexLoadProjectionMatrix(&projectionMatrix); 9995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller loadLookatMatrix(&modelviewMatrix, camera.from, camera.at, camera.up); 10015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgProgramVertexLoadModelMatrix(&modelviewMatrix); 10025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller updateCamera = false; 10035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 10045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 10055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 10075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Behavior/Physics 10085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 10095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int64_t lastTime = 0L; // keep track of how much time has passed between frames 1010be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic float lastAngle = 0.0f; 10115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float2 lastPosition; 10125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic bool animating = false; 1013b2c785780ecbe79a5b7ba558b21985f956458c8cJim Shumastatic float stopVelocity = 0.1f * M_PI / 180.0f; // slower than this: carousel stops 1014b2c785780ecbe79a5b7ba558b21985f956458c8cJim Shumastatic float selectionVelocity = 15.0f * M_PI / 180.0f; // faster than this: tap won't select 10155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float velocityTracker; 10165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int velocityTrackerCount; 10175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float mass = 5.0f; // kg 10185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const float G = 9.80f; // gravity constant, in m/s 10205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const float springConstant = 0.0f; 10215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1022be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller// Computes a hit angle from the center of the carousel to a point on either a plane 1023be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller// or on a cylinder. If neither is hit, returns false. 1024be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic bool hitAngle(float x, float y, float *angle) 1025be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller{ 1026be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller Ray ray; 1027be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller makeRayForPixelAt(&ray, &camera, x, y); 1028be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller float t = FLT_MAX; 1029be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (dragModel == DRAG_MODEL_PLANE && rayPlaneIntersect(&ray, &carouselPlane, &t)) { 1030be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller const float3 point = (ray.position + t*ray.direction); 1031be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller const float3 direction = point - carouselPlane.point; 1032be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller *angle = atan2(direction.x, direction.z); 1033be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (debugSelection) rsDebug("Plane Angle = ", degrees(*angle)); 1034be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller return true; 1035be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } else if ((dragModel == DRAG_MODEL_CYLINDER_INSIDE || dragModel == DRAG_MODEL_CYLINDER_OUTSIDE) 1036be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller && rayCylinderIntersect(&ray, &carouselCylinder, &t)) { 1037be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller const float3 point = (ray.position + t*ray.direction); 1038be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller const float3 direction = point - carouselCylinder.center; 1039be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller *angle = atan2(direction.x, direction.z); 1040be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (debugSelection) rsDebug("Cylinder Angle = ", degrees(*angle)); 1041be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller return true; 1042be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } 1043be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller return false; 1044be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller} 1045be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 10465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float dragFunction(float x, float y) 10475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 1048be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller float result; 1049be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller float angle; 1050be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (hitAngle(x, y, &angle)) { 1051be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller result = angle - lastAngle; 1052be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller // Handle singularity where atan2 switches between +- PI 1053be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (result < -M_PI) { 1054be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller result += 2.0f * M_PI; 1055be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } else if (result > M_PI) { 1056be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller result -= 2.0f * M_PI; 1057be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } 1058be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller lastAngle = angle; 1059be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } else { 1060be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller // If we didn't hit anything or drag model wasn't plane or cylinder, we use screen delta 1061be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller result = dragFactor * ((x - lastPosition.x) / rsgGetWidth()) * M_PI; 1062be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } 1063be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller return result; 10645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 10655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float deltaTimeInSeconds(int64_t current) 10675ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 10685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return (lastTime > 0L) ? (float) (current - lastTime) / 1000.0f : 0.0f; 10695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 10705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1071370b177eb74cd8a7d9a2ab06a5ee8bb3ed25f74fStephen Hinesstatic int doSelection(float x, float y) 10725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 10735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller Ray ray; 1074b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (makeRayForPixelAt(&ray, &camera, x, y)) { 10755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float bestTime = FLT_MAX; 10765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return intersectGeometry(&ray, &bestTime); 10775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 10785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return -1; 10795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 10805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1081370b177eb74cd8a7d9a2ab06a5ee8bb3ed25f74fStephen Hinesstatic void sendAnimationStarted() { 108243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller rsSendToClient(CMD_ANIMATION_STARTED); 108343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} 108443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 1085370b177eb74cd8a7d9a2ab06a5ee8bb3ed25f74fStephen Hinesstatic void sendAnimationFinished() { 1086a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich float data[1]; 1087a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich data[0] = radiansToCarouselRotationAngle(bias); 1088a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich rsSendToClient(CMD_ANIMATION_FINISHED, (int*) data, sizeof(data)); 1089a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich} 1090a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich 10911882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Millervoid doStart(float x, float y, long eventTime) 10925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 109343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller touchPosition = lastPosition = (float2) { x, y }; 1094be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller lastAngle = hitAngle(x,y, &lastAngle) ? lastAngle : 0.0f; 1095b2c785780ecbe79a5b7ba558b21985f956458c8cJim Shuma enableSelection = fabs(velocity) < selectionVelocity; 10965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller velocity = 0.0f; 10975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller velocityTracker = 0.0f; 10985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller velocityTrackerCount = 0; 10991882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Miller touchTime = lastTime = eventTime; 11005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller touchBias = bias; 110143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller isDragging = true; 1102e26fadd96cff3251d7ed391e10ab9c372ce5e825Bryan Mawhinney overscroll = false; 110343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller animatedSelection = doSelection(x, y); // used to provide visual feedback on touch 11048debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry stopAutoscroll(); 11055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 11065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 11071882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Millervoid doStop(float x, float y, long eventTime) 11085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 11098b55d7500c1e5a88c415dae8dcead16b152d7929Jack Palevich updateAllocationVars(cards); 111043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 111143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (enableSelection) { 11128fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma int data[3]; 11138fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma int selection; 11148fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma float2 point; 11158fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma 11168fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if ((selection = intersectDetailTexture(x, y, &point)) != -1) { 11178fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (debugSelection) rsDebug("Selected detail texture on doStop():", selection); 11188fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma data[0] = selection; 11198fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma data[1] = point.x; 11208fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma data[2] = point.y; 11218fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma rsSendToClientBlocking(CMD_DETAIL_SELECTED, data, sizeof(data)); 11228fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma } 11238fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma else if ((selection = doSelection(x, y))!= -1) { 112443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (debugSelection) rsDebug("Selected item on doStop():", selection); 112543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller data[0] = selection; 112643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller rsSendToClientBlocking(CMD_CARD_SELECTED, data, sizeof(data)); 112743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 112843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller animating = false; 11295ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 113043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // TODO: move velocity tracking to Java 11315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller velocity = velocityTrackerCount > 0 ? 11325ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller (velocityTracker / velocityTrackerCount) : 0.0f; // avg velocity 1133b2c785780ecbe79a5b7ba558b21985f956458c8cJim Shuma if (fabs(velocity) > stopVelocity) { 11345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller animating = true; 11355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 11365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 113743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller enableSelection = false; 11381882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Miller lastTime = eventTime; 113943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller isDragging = false; 11405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 11415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1142594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shumavoid doLongPress() 1143594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma{ 1144594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma int64_t currentTime = rsUptimeMillis(); 1145594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma updateAllocationVars(cards); 114643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Selection happens for most recent position detected in doMotion() 1147e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma if (enableSelection && animatedSelection != -1) { 1148e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma if (debugSelection) rsDebug("doLongPress(), selection = ", animatedSelection); 1149e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma int data[7]; 1150e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[0] = animatedSelection; 1151e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[1] = lastPosition.x; 1152e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[2] = lastPosition.y; 1153e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[3] = cards[animatedSelection].detailTexturePosition[0].x; 1154e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[4] = cards[animatedSelection].detailTexturePosition[0].y; 1155e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[5] = cards[animatedSelection].detailTexturePosition[1].x; 1156e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[6] = cards[animatedSelection].detailTexturePosition[1].y; 1157594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma rsSendToClientBlocking(CMD_CARD_LONGPRESS, data, sizeof(data)); 1158e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma enableSelection = false; 1159594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma } 1160594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma lastTime = rsUptimeMillis(); 1161594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma} 1162594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma 11631882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Millervoid doMotion(float x, float y, long eventTime) 11645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 116514d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma const float highBias = maximumBias(); 116614d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma const float lowBias = minimumBias(); 11675ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float deltaOmega = dragFunction(x, y); 116843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (!enableSelection) { 116943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias += deltaOmega; 117014d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma bias = clamp(bias, lowBias - wedgeAngle(OVERSCROLL_SLOTS), 117114d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma highBias + wedgeAngle(OVERSCROLL_SLOTS)); 117243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 117343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float2 delta = (float2) { x, y } - touchPosition; 117443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float distance = sqrt(dot(delta, delta)); 117543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bool inside = (distance < selectionRadius); 117643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller enableSelection &= inside; 117743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller lastPosition = (float2) { x, y }; 11781882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Miller float dt = deltaTimeInSeconds(eventTime); 11795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (dt > 0.0f) { 11805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float v = deltaOmega / dt; 118143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller velocityTracker += v; 118243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller velocityTrackerCount++; 11835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 1184c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma velocity = velocityTrackerCount > 0 ? 1185c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma (velocityTracker / velocityTrackerCount) : 0.0f; // avg velocity 11861882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Miller lastTime = eventTime; 11875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 11885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 11895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 11908debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry// Autoscroll Interpolation 11918debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry//////////////////////////////////////////////////////////////////////////////////////////////////// 11928debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berrystatic int64_t autoscrollStartTime = 0L; //tracks when we actually started interpolating 11938debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berrystatic int64_t autoscrollDuration = 0L; //in milli seconds 11948debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berrystatic int autoscrollInterpolationMode = INTERPOLATION_LINEAR; 11958debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 11968debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berrystatic float autoscrollStopAngle = 0.0f; 11978debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berrystatic float autoscrollStartAngle = 0.0f; 11988debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 11998debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berryvoid setCarouselRotationAngle2( 12008debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry float endAngle, 12018debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry int milliseconds, 12028debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry int interpolationMode, 12038debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry float maxAnimatedArc) 12048debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry{ 12058debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry float actualStart = radiansToCarouselRotationAngle(bias); 12068debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12078debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry if (maxAnimatedArc > 0) { 12088debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry //snap the current position to keep end - start under maxAnimatedArc 12098debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry if (actualStart <= endAngle) { 12108debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry if (actualStart < endAngle - maxAnimatedArc) { 12118debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry actualStart = endAngle - maxAnimatedArc; 12128debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } 12138debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } 12148debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry else { 12158debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry if (actualStart > endAngle + maxAnimatedArc) { 12168debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry actualStart = endAngle + maxAnimatedArc; 12178debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } 12188debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } 12198debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } 12208debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12218debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry animating = true; 12228debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry autoscrolling = true; 12238debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry autoscrollDuration = milliseconds; 12248debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry autoscrollInterpolationMode = interpolationMode; 12258debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry autoscrollStartAngle = carouselRotationAngleToRadians(actualStart); 12268debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry autoscrollStopAngle = carouselRotationAngleToRadians(endAngle); 12278debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12288debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry //Make sure the start and stop angles are in the allowed range 12298debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry const float highBias = maximumBias(); 12308debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry const float lowBias = minimumBias(); 12318debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry autoscrollStartAngle = clamp(autoscrollStartAngle, lowBias, highBias); 12328debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry autoscrollStopAngle = clamp(autoscrollStopAngle, lowBias, highBias); 12338debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12348debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry //stop other animation kinds 12358debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry overscroll = false; 12368debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry velocity = 0.0f; 12378debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry} 12388debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12398debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berrystatic void stopAutoscroll() 12408debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry{ 12418debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry autoscrolling = false; 12428debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry autoscrollStartTime = 0L; //reset for next time 12438debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry} 12448debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12458debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry// This method computes the position of all the cards by updating bias based on a 12468debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry// simple interpolation model. If the cards are still in motion, returns true. 12478debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berrystatic bool doAutoscroll(float currentTime) 12488debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry{ 12498debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry if (autoscrollDuration == 0L) { 12508debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry return false; 12518debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } 12528debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12538debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry if (autoscrollStartTime == 0L) { 12548debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry autoscrollStartTime = currentTime; 12558debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } 12568debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12578debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry const int64_t interpolationEndTime = autoscrollStartTime + autoscrollDuration; 12588debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12598debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry float timePos = (currentTime - autoscrollStartTime) / (float)autoscrollDuration; 12608debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry if (timePos > 1.0f) { 12618debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry timePos = 1.0f; 12628debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } 12638debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12648debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry float lambda = timePos; //default to linear 12658debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry if (autoscrollInterpolationMode == INTERPOLATION_DECELERATE_QUADRATIC) { 12668debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry lambda = 1.0f - (1.0f - timePos) * (1.0f - timePos); 12678debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } 12688debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry else if (autoscrollInterpolationMode == INTERPOLATION_ACCELERATE_DECELERATE_CUBIC) { 12698debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry lambda = timePos * timePos * (3 - 2 * timePos); 12708debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } 12718debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12728debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry bias = lambda * autoscrollStopAngle + (1.0 - lambda) * autoscrollStartAngle; 12738debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12748debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry if (currentTime > interpolationEndTime) { 12758debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry stopAutoscroll(); 12768debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry return false; 12778debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } 12788debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry else { 12798debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry return true; 12808debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } 12818debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry} 12828debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry 12838debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry//////////////////////////////////////////////////////////////////////////////////////////////////// 12845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Hit detection using ray casting. 12855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 128643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic const float EPSILON = 1.0e-6f; 128743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic const float tmin = 0.0f; 12885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 12895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic bool 129043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim MillerrayTriangleIntersect(Ray* ray, float3 p0, float3 p1, float3 p2, float* tout) 12915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 12925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 e1 = p1 - p0; 12935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 e2 = p2 - p0; 12945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 s1 = cross(ray->direction, e2); 12955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 12965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float div = dot(s1, e1); 12975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (div == 0.0f) return false; // ray is parallel to plane. 12985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 12995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 d = ray->position - p0; 13005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float invDiv = 1.0f / div; 13015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 13025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float u = dot(d, s1) * invDiv; 13035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (u < 0.0f || u > 1.0f) return false; 13045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 13055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 s2 = cross(d, e1); 13065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float v = dot(ray->direction, s2) * invDiv; 13075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if ( v < 0.0f || (u+v) > 1.0f) return false; 13085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 13095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float t = dot(e2, s2) * invDiv; 13105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (t < tmin || t > *tout) 13115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return false; 13125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller *tout = t; 13135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return true; 13145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 13155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 131643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 131743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Computes ray/plane intersection. Returns false if no intersection found. 131843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 1319b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool 132043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim MillerrayPlaneIntersect(Ray* ray, Plane* plane, float* tout) 1321b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller{ 132243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float denom = dot(ray->direction, plane->normal); 132343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (fabs(denom) > EPSILON) { 132443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float t = - (plane->constant + dot(ray->position, plane->normal)) / denom; 132543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (t > tmin && t < *tout) { 132643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller *tout = t; 132743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return true; 132843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 132943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 133043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return false; 1331b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller} 1332b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 133343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 133443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Computes ray/cylindr intersection. There are 0, 1 or 2 hits. 133543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Returns true and sets *tout to the closest point or 133643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// returns false if no intersection found. 133743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 1338b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool 133943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim MillerrayCylinderIntersect(Ray* ray, Cylinder* cylinder, float* tout) 1340b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller{ 134143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float A = ray->direction.x * ray->direction.x + ray->direction.z * ray->direction.z; 134243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (A < EPSILON) return false; // ray misses 134343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 134443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Compute quadratic equation coefficients 134543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float B = 2.0f * (ray->direction.x * ray->position.x 134643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller + ray->direction.z * ray->position.z); 134743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float C = ray->position.x * ray->position.x 134843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller + ray->position.z * ray->position.z 134943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller - cylinder->radius * cylinder->radius; 135043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float disc = B*B - 4*A*C; 135143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 135243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (disc < 0.0f) return false; // ray misses 135343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller disc = sqrt(disc); 135443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float denom = 2.0f * A; 135543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 135643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Nearest point 135743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float t1 = (-B - disc) / denom; 1358be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (dragModel == DRAG_MODEL_CYLINDER_OUTSIDE && t1 > tmin && t1 < *tout) { 135943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller *tout = t1; 136043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return true; 136143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 136243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 136343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Far point 136443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float t2 = (-B + disc) / denom; 1365be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (dragModel == DRAG_MODEL_CYLINDER_INSIDE && t2 > tmin && t2 < *tout) { 136643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller *tout = t2; 136743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return true; 136843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 136943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return false; 1370b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller} 1371b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1372b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller// Creates a ray for an Android pixel coordinate given a camera, ray and coordinates. 13735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Note that the Y coordinate is opposite of GL rendering coordinates. 1374b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool __attribute__((overloadable)) 1375b378af500b36226635b6343b1d5009ee9af44fc1Jim MillermakeRayForPixelAt(Ray* ray, PerspectiveCamera* cam, float x, float y) 13765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 13775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (debugCamera) { 13785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsDebug("------ makeRay() -------", 0); 1379b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Camera.from:", cam->from); 1380b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Camera.at:", cam->at); 1381b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Camera.dir:", normalize(cam->at - cam->from)); 13825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 13845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Vector math. This has the potential to be much faster. 13855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // TODO: pre-compute lowerLeftRay, du, dv to eliminate most of this math. 1386b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float u = x / rsgGetWidth(); 1387b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float v = 1.0f - (y / rsgGetHeight()); 1388b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float aspect = (float) rsgGetWidth() / rsgGetHeight(); 1389b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float tanfov2 = 2.0f * tan(radians(cam->fov / 2.0f)); 1390b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float3 dir = normalize(cam->at - cam->from); 1391b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float3 du = tanfov2 * normalize(cross(dir, cam->up)); 1392b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float3 dv = tanfov2 * normalize(cross(du, dir)); 1393b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller du *= aspect; 1394b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float3 lowerLeftRay = dir - (0.5f * du) - (0.5f * dv); 1395b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 rayPoint = cam->from; 1396b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 rayDir = normalize(lowerLeftRay + u*du + v*dv); 1397b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (debugCamera) { 1398b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Ray direction (vector math) = ", rayDir); 13995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1401b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller ray->position = rayPoint; 1402b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller ray->direction = rayDir; 1403b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller return true; 1404b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller} 1405b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1406b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller// Creates a ray for an Android pixel coordinate given a model view and projection matrix. 1407b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller// Note that the Y coordinate is opposite of GL rendering coordinates. 1408b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool __attribute__((overloadable)) 1409b378af500b36226635b6343b1d5009ee9af44fc1Jim MillermakeRayForPixelAt(Ray* ray, rs_matrix4x4* model, rs_matrix4x4* proj, float x, float y) 1410b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller{ 1411b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rs_matrix4x4 pm = *model; 1412b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsMatrixLoadMultiply(&pm, proj, model); 1413b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (!rsMatrixInverse(&pm)) { 1414b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("ERROR: SINGULAR PM MATRIX", 0); 1415b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller return false; 14165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 1417b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float width = rsgGetWidth(); 1418b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float height = rsgGetHeight(); 1419b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float winx = 2.0f * x / width - 1.0f; 1420b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float winy = 2.0f * y / height - 1.0f; 1421b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1422b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float4 eye = { 0.0f, 0.0f, 0.0f, 1.0f }; 1423b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float4 at = { winx, winy, 1.0f, 1.0f }; 1424b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1425b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller eye = rsMatrixMultiply(&pm, eye); 1426b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller eye *= 1.0f / eye.w; 14275ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1428b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller at = rsMatrixMultiply(&pm, at); 1429b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller at *= 1.0f / at.w; 1430b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1431b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 rayPoint = { eye.x, eye.y, eye.z }; 1432b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 atPoint = { at.x, at.y, at.z }; 1433b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 rayDir = normalize(atPoint - rayPoint); 1434b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (debugCamera) { 1435b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("winx: ", winx); 1436b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("winy: ", winy); 1437b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Ray position (transformed) = ", eye); 1438b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Ray direction (transformed) = ", rayDir); 1439b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } 1440b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller ray->position = rayPoint; 1441b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller ray->direction = rayDir; 14425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return true; 14435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 14445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 14458fd40311898a9ec759a76f021642f43e617e38c4Jim Shumastatic int intersectDetailTexture(float x, float y, float2 *tapCoordinates) 14468fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma{ 14478fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma for (int id = 0; id < cardCount; id++) { 14488fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (cards[id].detailVisible) { 14498fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma const int x0 = cards[id].detailTexturePosition[0].x; 14508fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma const int y0 = cards[id].detailTexturePosition[0].y; 14518fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma const int x1 = cards[id].detailTexturePosition[1].x; 14528fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma const int y1 = cards[id].detailTexturePosition[1].y; 14538fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (x >= x0 && x <= x1 && y >= y0 && y <= y1) { 14548fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma float2 point = { x - x0, y - y0 }; 14558fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma *tapCoordinates = point; 14568fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma return id; 14578fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma } 14588fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma } 14598fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma } 14608fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma return -1; 14618fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma} 14628fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma 14635ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int intersectGeometry(Ray* ray, float *bestTime) 14645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 14655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int hit = -1; 14665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int id = 0; id < cardCount; id++) { 14678fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (cards[id].cardVisible) { 14685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rs_matrix4x4 matrix; 14695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 p[4]; 14705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 14715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Transform card vertices to world space 14725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixLoadIdentity(&matrix); 1473c2baf88a763ae0e3694c8a10c13f203db9aec363Jim Shuma getMatrixForCard(&matrix, id, true, true); 14745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int vertex = 0; vertex < 4; vertex++) { 14755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float4 tmp = rsMatrixMultiply(&matrix, cardVertices[vertex]); 14765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (tmp.w != 0.0f) { 14775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller p[vertex].x = tmp.x; 14785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller p[vertex].y = tmp.y; 14795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller p[vertex].z = tmp.z; 14805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller p[vertex] *= 1.0f / tmp.w; 14815ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 14825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsDebug("Bad w coord: ", tmp); 14835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 14865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Intersect card geometry 14875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (rayTriangleIntersect(ray, p[0], p[1], p[2], bestTime) 14885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller || rayTriangleIntersect(ray, p[2], p[3], p[0], bestTime)) { 14895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller hit = id; 14905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return hit; 14945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 14955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 14965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// This method computes the position of all the cards by updating bias based on a 149743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// simple physics model. If the cards are still in motion, returns true. 149843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic bool doPhysics(float dt) 149943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller{ 150043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float minStepTime = 1.0f / 300.0f; // ~5 steps per frame 150143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const int N = (dt > minStepTime) ? (1 + round(dt / minStepTime)) : 1; 150243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller dt /= N; 150343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller for (int i = 0; i < N; i++) { 150443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Force friction - always opposes motion 150543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float Ff = -frictionCoeff * velocity; 150643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 150743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Restoring force to match cards with slots 150843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float theta = startAngle + bias; 150943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float dtheta = 2.0f * M_PI / slotCount; 151043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float position = theta / dtheta; 151143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float fraction = position - floor(position); // fractional position between slots 151243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float x; 151343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (fraction > 0.5f) { 151443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller x = - (1.0f - fraction); 151543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 151643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller x = fraction; 151743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 151843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float Fr = - springConstant * x; 151943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 152043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // compute velocity 152143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float momentum = mass * velocity + (Ff + Fr)*dt; 152243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller velocity = momentum / mass; 152343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias += velocity * dt; 152443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 1525b2c785780ecbe79a5b7ba558b21985f956458c8cJim Shuma return fabs(velocity) > stopVelocity; 152643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} 152743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 152843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic float easeOut(float x) 152943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller{ 153043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return x; 153143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} 153243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 15338debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry// Computes the next value for bias using the current animation (physics/overscroll/autoscrolling) 15345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic bool updateNextPosition(int64_t currentTime) 15355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 153643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller static const float biasMin = 1e-4f; // close enough if we're within this margin of result 15375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 153843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float dt = deltaTimeInSeconds(currentTime); 15395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 154043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (dt <= 0.0f) { 154143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (debugRendering) rsDebug("Time delta was <= 0", dt); 154243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return true; 15435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 15445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 154514d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma const float highBias = maximumBias(); 154614d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma const float lowBias = minimumBias(); 154743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bool stillAnimating = false; 154843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (overscroll) { 154914d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma if (bias > highBias) { 155014d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma bias -= 4.0f * dt * easeOut((bias - highBias) * 2.0f); 155114d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma if (fabs(bias - highBias) < biasMin) { 155214d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma bias = highBias; 155343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 155443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller stillAnimating = true; 155543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 155614d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma } else if (bias < lowBias) { 155714d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma bias += 4.0f * dt * easeOut((lowBias - bias) * 2.0f); 155814d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma if (fabs(bias - lowBias) < biasMin) { 155914d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma bias = lowBias; 156043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 156143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller stillAnimating = true; 156243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 156343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 156443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller overscroll = false; 156543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 15668debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry } else if (autoscrolling) { 15678debeb8a0a785f0ad66bc75200cdb47c137602bcArnaud Berry stillAnimating = doAutoscroll(currentTime); 156843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 156943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller stillAnimating = doPhysics(dt); 157014d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma overscroll = bias > highBias || bias < lowBias; 1571cfe41767a3596a65eef91b6f68286fd0f916a4c7Jim Miller if (overscroll) { 1572cfe41767a3596a65eef91b6f68286fd0f916a4c7Jim Miller velocity = 0.0f; // prevent bouncing due to v > 0 after overscroll animation. 1573cfe41767a3596a65eef91b6f68286fd0f916a4c7Jim Miller } 1574c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma } 157514d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma float newbias = clamp(bias, lowBias - wedgeAngle(OVERSCROLL_SLOTS), 157614d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma highBias + wedgeAngle(OVERSCROLL_SLOTS)); 157743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (newbias != bias) { // we clamped 157843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller velocity = 0.0f; 157943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller overscroll = true; 158043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 158143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias = newbias; 158243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return stillAnimating; 15835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 15845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 15855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Cull cards based on visibility and visibleSlotCount. 15865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// If visibleSlotCount is > 0, then only show those slots and cull the rest. 15875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Otherwise, it should cull based on bounds of geometry. 15885ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinneystatic void cullCards() 15895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 15905ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney // Calculate the first and last angles of visible slots. We include 1 15915ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney // slot on either side of visibleSlotCount to allow cards to slide in / out 15925ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney // at either side, and rely on the view frustrum for accurate clipping. 15935ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney const float visibleFirst = slotPosition(-1); 15945ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney const float visibleLast = slotPosition(visibleSlotCount); 15955ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney 15965ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney // We'll load but not draw prefetchCardCountPerSide cards 15975ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney // from either side of the visible slots. 15984fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma const int prefetchCardCountPerSide = prefetchCardCount / 2; 15995ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney const float prefetchFirst = slotPosition(-1 - prefetchCardCountPerSide); 16005ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney const float prefetchLast = slotPosition(visibleSlotCount + prefetchCardCountPerSide); 16015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int i = 0; i < cardCount; i++) { 16025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (visibleSlotCount > 0) { 16035ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney // If visibleSlotCount is specified then only show cards between visibleFirst and visibleLast 16045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float p = cardPosition(i); 16055ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (p >= prefetchFirst && p < prefetchLast || p <= prefetchFirst && p > prefetchLast) { 16065ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney cards[i].shouldPrefetch = true; 16075ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney cards[i].cardVisible = p >= visibleFirst && p < visibleLast || p <= visibleFirst && p > visibleLast; 16088fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma // cards[i].detailVisible will be set at draw time 16095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 16105ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney cards[i].shouldPrefetch = false; 16118fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].cardVisible = false; 16128fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailVisible = false; 16135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 16145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 16155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Cull the rest of the cards using bounding box of geometry. 16165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // TODO 16178fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].cardVisible = true; 16188fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma // cards[i].detailVisible will be set at draw time 16195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 16205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 16215ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney} 16225ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney 16235ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney// Request missing texture/geometry for a single card 16245ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinneystatic void requestCardResources(int i) { 16255ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (debugTextureLoading) rsDebug("*** Texture stamp: ", (int)cards[i].textureTimeStamp); 16265ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney int data[1]; 16275ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney // request texture from client if not loaded 16285ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (cards[i].textureState == STATE_INVALID) { 16295ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney data[0] = i; 16305ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney bool enqueued = rsSendToClient(CMD_REQUEST_TEXTURE, data, sizeof(data)); 16315ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (enqueued) { 16325ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney cards[i].textureState = STATE_LOADING; 16335ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } else { 16345ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (debugTextureLoading) rsDebug("Couldn't send CMD_REQUEST_TEXTURE", 0); 16355ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } 16365ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } else if (cards[i].textureState == STATE_STALE) { 16375ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney data[0] = i; 16385ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney bool enqueued = rsSendToClient(CMD_REQUEST_TEXTURE, data, sizeof(data)); 16395ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (enqueued) { 16405ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney cards[i].textureState = STATE_UPDATING; 16415ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } else { 16425ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (debugTextureLoading) rsDebug("Couldn't send CMD_REQUEST_TEXTURE", 0); 16435ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } 16445ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } 16455ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney // request detail texture from client if not loaded 16465ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (cards[i].detailTextureState == STATE_INVALID) { 16475ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney data[0] = i; 16485ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney bool enqueued = rsSendToClient(CMD_REQUEST_DETAIL_TEXTURE, data, sizeof(data)); 16495ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (enqueued) { 16505ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney cards[i].detailTextureState = STATE_LOADING; 16515ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } else { 16525ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (debugTextureLoading) rsDebug("Couldn't send CMD_REQUEST_DETAIL_TEXTURE", 0); 16535ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } 16545ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } else if (cards[i].detailTextureState == STATE_STALE) { 16555ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney data[0] = i; 16565ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney bool enqueued = rsSendToClient(CMD_REQUEST_DETAIL_TEXTURE, data, sizeof(data)); 16575ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (enqueued) { 16585ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney cards[i].detailTextureState = STATE_UPDATING; 16595ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } else { 16605ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (debugTextureLoading) rsDebug("Couldn't send CMD_REQUEST_DETAIL_TEXTURE", 0); 16615ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } 16625ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } 16635ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney // request geometry from client if not loaded 16645ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (cards[i].geometryState == STATE_INVALID) { 16655ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney data[0] = i; 16665ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney bool enqueued = rsSendToClient(CMD_REQUEST_GEOMETRY, data, sizeof(data)); 16675ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (enqueued) { 16685ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney cards[i].geometryState = STATE_LOADING; 16695ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } else { 16705ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (debugGeometryLoading) rsDebug("Couldn't send CMD_REQUEST_GEOMETRY", 0); 16715ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } 16725ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } 16735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 16745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 16755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Request texture/geometry for items that have come into view 16765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// or doesn't have a texture yet. 1677420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerstatic void updateCardResources(int64_t currentTime) 16785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 16795ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney // First process any visible cards 1680a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller for (int i = cardCount-1; i >= 0; --i) { 16818fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (cards[i].cardVisible) { 16825ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney requestCardResources(i); 16835ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } 16845ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } 16852ba04e061b52c488a154739379501dc833e39f79Jim Miller 16865ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney // Then the rest 16875ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney for (int i = cardCount-1; i >= 0; --i) { 16885ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney if (cards[i].cardVisible) { 16895ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney // already requested above 16905ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney } else if (cards[i].shouldPrefetch) { 16915ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney requestCardResources(i); 16925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 16935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // ask the host to remove the texture 16945ac1de00d4441748a4b183b5d406298cd18f2d27Bryan Mawhinney int data[1]; 1695dce9af330efceae2b8d1d7c25e7e236b4e21719bJack Palevich if (cards[i].textureState != STATE_INVALID) { 16965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller data[0] = i; 16975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bool enqueued = rsSendToClient(CMD_INVALIDATE_TEXTURE, data, sizeof(data)); 16985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (enqueued) { 16995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].textureState = STATE_INVALID; 1700420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller cards[i].textureTimeStamp = currentTime; 17015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 17027cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugTextureLoading) rsDebug("Couldn't send CMD_INVALIDATE_TEXTURE", 0); 17037cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 17047cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 17057cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // ask the host to remove the detail texture 17067cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (cards[i].detailTextureState != STATE_INVALID) { 17077cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller data[0] = i; 17087cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller bool enqueued = rsSendToClient(CMD_INVALIDATE_DETAIL_TEXTURE, data, sizeof(data)); 17097cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (enqueued) { 17107cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[i].detailTextureState = STATE_INVALID; 1711420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller cards[i].detailTextureTimeStamp = currentTime; 17127cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } else { 17137cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugTextureLoading) rsDebug("Can't send CMD_INVALIDATE_DETAIL_TEXTURE", 0); 17145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 17155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 17165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // ask the host to remove the geometry 1717dce9af330efceae2b8d1d7c25e7e236b4e21719bJack Palevich if (cards[i].geometryState != STATE_INVALID) { 17185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller data[0] = i; 17195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bool enqueued = rsSendToClient(CMD_INVALIDATE_GEOMETRY, data, sizeof(data)); 17205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (enqueued) { 17215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].geometryState = STATE_INVALID; 17225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 17237cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugGeometryLoading) rsDebug("Couldn't send CMD_INVALIDATE_GEOMETRY", 0); 17245ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 17255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 17265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 17275ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 17285ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 17295ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 17305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Places dots on geometry to visually inspect that objects can be seen by rays. 17315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// NOTE: the color of the dot is somewhat random, as it depends on texture of previously-rendered 17325ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// card. 17335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic void renderWithRays() 17345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 17355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller const float w = rsgGetWidth(); 17365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller const float h = rsgGetHeight(); 17375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller const int skip = 8; 17388a357ebe4ae3063dbb3d8b3bdf6f665b05dd8e6fJason Sams 17398a357ebe4ae3063dbb3d8b3bdf6f665b05dd8e6fJason Sams rsgProgramFragmentConstantColor(singleTextureFragmentProgram, 1.0f, 0.0f, 0.0f, 1.0f); 17405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int j = 0; j < (int) h; j+=skip) { 17415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float posY = (float) j; 17425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int i = 0; i < (int) w; i+=skip) { 17435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float posX = (float) i; 17445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller Ray ray; 1745b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (makeRayForPixelAt(&ray, &camera, posX, posY)) { 17465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float bestTime = FLT_MAX; 17475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (intersectGeometry(&ray, &bestTime) != -1) { 17485ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgDrawSpriteScreenspace(posX, h - posY - 1, 0.0f, 2.0f, 2.0f); 17495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 17505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 17515ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 17525ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 17535ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 17545ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 17555ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint root() { 17565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int64_t currentTime = rsUptimeMillis(); 17575ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 17585ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgBindProgramVertex(vertexProgram); 17595ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgBindProgramRaster(rasterProgram); 1760b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindSampler(singleTextureFragmentProgram, 0, linearClamp); 1761b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindSampler(multiTextureFragmentProgram, 0, linearClamp); 1762b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindSampler(multiTextureFragmentProgram, 1, linearClamp); 17635ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 17648b55d7500c1e5a88c415dae8dcead16b152d7929Jack Palevich updateAllocationVars(cards); 17655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1766a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller rsgBindProgramFragment(singleTextureFragmentProgram); 1767fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller // rsgClearDepth() currently follows the value of glDepthMask(), so it's disabled when 1768fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller // the mask is disabled. We may want to change the following to always draw w/o Z for 1769fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller // the background if we can guarantee the depth buffer will get cleared and 1770fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller // there's a performance advantage. 1771f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rsgBindProgramStore(programStoreBackground); 17729afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller drawBackground(); 17735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 17745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller updateCameraMatrix(rsgGetWidth(), rsgGetHeight()); 17755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 177643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bool stillAnimating = (currentTime - touchTime) <= ANIMATION_SCALE_TIME; 177743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 177843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (!isDragging && animating) { 177943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller stillAnimating = updateNextPosition(currentTime); 178043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 178143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 178243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller lastTime = currentTime; 17835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 17845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cullCards(); 17855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1786420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller updateCardResources(currentTime); 17875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1788bfc5ce2da9e0d8d0ec2535c465624574d98418d7Jim Shuma // Draw cards opaque only if requested, and always draw detail textures with blending. 1789bf39450b962d91ec78af53db39826d55ddb39902Jim Shuma stillAnimating |= drawCards(currentTime); 1790f664659f79399e92025e1dfe1ffbb682ff05613cJim Shuma rsgBindProgramStore(programStoreDetail); 1791bf39450b962d91ec78af53db39826d55ddb39902Jim Shuma stillAnimating |= drawDetails(currentTime); 17925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 179343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (stillAnimating != animating) { 179443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (stillAnimating) { 179543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // we just started animating 179643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller sendAnimationStarted(); 179743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 179843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // we were animating but stopped animating just now 179943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller sendAnimationFinished(); 180043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 180143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller animating = stillAnimating; 180243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 180343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 180443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (debugRays) { 18055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller renderWithRays(); 18065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 18075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 18085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller //rsSendToClient(CMD_PING); 18095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 181043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return animating ? 1 : 0; 18115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 1812