carousel.rs revision e8cab95c5f73ddf6843d82793decc3adb4692860
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? 3743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller int64_t textureTimeStamp; // time when this texture was last updated, in seconds 3843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller int64_t detailTextureTimeStamp; // time when this texture was last updated, in seconds 395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} Card_t; 405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millertypedef struct Ray_s { 425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 position; 435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 direction; 445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} Ray; 455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 4643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millertypedef struct Plane_s { 4743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float3 point; 4843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float3 normal; 4943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float constant; 5043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} Plane; 5143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 5243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millertypedef struct Cylinder_s { 5343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float3 center; // center of a y-axis-aligned infinite cylinder 5443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float radius; 5543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} Cylinder; 5643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 575ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millertypedef struct PerspectiveCamera_s { 585ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 from; 595ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 at; 605ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 up; 615ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float fov; 625ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float aspect; 635ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float near; 645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float far; 655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} PerspectiveCamera; 665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 67420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millertypedef struct FragmentShaderConstants_s { 68420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller float fadeAmount; 69420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller} FragmentShaderConstants; 70420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Request states. Used for loading 3D object properties from the Java client. 725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Typical properties: texture, geometry and matrices. 735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerenum { 745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller STATE_INVALID = 0, // item hasn't been loaded 755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller STATE_LOADING, // we've requested an item but are waiting for it to load 766af401bca5f8854524d128e9df5700035fae1160Jim Shuma STATE_STALE, // we have an old item, but should request an update 776af401bca5f8854524d128e9df5700035fae1160Jim Shuma STATE_UPDATING, // we've requested an update, and will display the old one in the meantime 785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller STATE_LOADED // item was delivered 795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller}; 805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 814a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney// Detail texture alignments ** THIS LIST MUST MATCH THOSE IN CarouselView.java *** 824a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinneyenum { 834a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is centered vertically with respect to the card **/ 844a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney CENTER_VERTICAL = 1, 854a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is aligned with the top edge of the carousel view **/ 864a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney VIEW_TOP = 1 << 1, 874a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is aligned with the bottom edge of the carousel view (not yet implemented) **/ 884a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney VIEW_BOTTOM = 1 << 2, 894a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is positioned above the card (not yet implemented) **/ 904a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney ABOVE = 1 << 3, 914a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is positioned below the card **/ 924a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney BELOW = 1 << 4, 934a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Mask that selects those bits that control vertical alignment **/ 944a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney VERTICAL_ALIGNMENT_MASK = 0xff, 954a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney 964a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** 974a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * Detail is centered horizontally with respect to either the top or bottom 984a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * extent of the card, depending on whether the detail is above or below the card. 994a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney */ 1004a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney CENTER_HORIZONTAL = 1 << 8, 1014a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** 1024a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * Detail is aligned with the left edge of either the top or the bottom of 1034a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * the card, depending on whether the detail is above or below the card. 1044a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney */ 1054a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney LEFT = 1 << 9, 1064a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** 1074a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * Detail is aligned with the right edge of either the top or the bottom of 1084a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * the card, depending on whether the detail is above or below the card. 1094a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * (not yet implemented) 1104a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney */ 1114a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney RIGHT = 1 << 10, 1124a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Mask that selects those bits that control horizontal alignment **/ 1134a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney HORIZONTAL_ALIGNMENT_MASK = 0xff00, 1144a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney}; 1154a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney 1165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Client messages *** THIS LIST MUST MATCH THOSE IN CarouselRS.java. *** 1175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_CARD_SELECTED = 100; 1188fd40311898a9ec759a76f021642f43e617e38c4Jim Shumastatic const int CMD_DETAIL_SELECTED = 105; 119594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shumastatic const int CMD_CARD_LONGPRESS = 110; 1205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_REQUEST_TEXTURE = 200; 1215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_INVALIDATE_TEXTURE = 210; 1225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_REQUEST_GEOMETRY = 300; 1235ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_INVALIDATE_GEOMETRY = 310; 1245ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_ANIMATION_STARTED = 400; 1255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_ANIMATION_FINISHED = 500; 1267cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerstatic const int CMD_REQUEST_DETAIL_TEXTURE = 600; 1277cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerstatic const int CMD_INVALIDATE_DETAIL_TEXTURE = 610; 1287cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerstatic const int CMD_PING = 1000; 1295ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 130be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller// Drag model *** THIS LIST MUST MATCH THOSE IN CarouselRS.java. *** 131be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic const int DRAG_MODEL_SCREEN_DELTA = 0; // Drag relative to x coordinate of motion vector 132be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic const int DRAG_MODEL_PLANE = 1; // Drag relative to projected point on plane of carousel 133be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic const int DRAG_MODEL_CYLINDER_INSIDE = 2; // Drag relative to point on inside of cylinder 134be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic const int DRAG_MODEL_CYLINDER_OUTSIDE = 3; // Drag relative to point on outside of cylinder 135be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 1365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Constants 1371eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Millerstatic const int ANIMATION_DELAY_TIME = 100; // hold off scale animation until this time 1385ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int ANIMATION_SCALE_TIME = 200; // Time it takes to animate selected card, in ms 1391eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Millerstatic const float3 SELECTED_SCALE_FACTOR = { 0.1f, 0.1f, 0.1f }; // increase by this % 14043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic const float OVERSCROLL_SLOTS = 1.0f; // amount of allowed overscroll (in slots) 1415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Debug flags 1437cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerconst bool debugCamera = false; // dumps ray/camera coordinate stuff 14443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerconst bool debugSelection = false; // logs selection events 1457cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerconst bool debugTextureLoading = false; // for debugging texture load/unload 1467cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerconst bool debugGeometryLoading = false; // for debugging geometry load/unload 1477c09ccce478100d75e4427d87866ff19d758ae7aJim Shumaconst bool debugDetails = false; // for debugging detail texture geometry 148b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerconst bool debugRendering = false; // flashes display when the frame changes 14943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerconst bool debugRays = false; // shows visual depiction of hit tests, See renderWithRays(). 1505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1515ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Exported variables. These will be reflected to Java set_* variables. 1525ce730797a8a7278dfe19dac8a9460b25675fed0Jim MillerCard_t *cards; // array of cards to draw 1535ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerfloat startAngle; // position of initial card, in radians 1545ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint slotCount; // number of positions where a card can be 1555ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint cardCount; // number of cards in stack 1565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint visibleSlotCount; // number of visible slots (for culling) 1577cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerint visibleDetailCount; // number of visible detail textures to show 1584fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shumaint prefetchCardCount; // how many cards to keep in memory 1594a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinneyint detailTextureAlignment; // How to align detail texture with respect to card 160fb179e7afd8f02be63061b478b0283e3085fc25fJim Millerbool forceBlendCardsWithZ; // Enable depth buffer while blending 1617c09ccce478100d75e4427d87866ff19d758ae7aJim Shumabool drawRuler; // whether to draw a ruler from the card to the detail texture 1625ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerfloat radius; // carousel radius. Cards will be centered on a circle with this radius 1635ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerfloat cardRotation; // rotation of card in XY plane relative to Z=1 16483d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinneybool cardsFaceTangent; // whether cards are rotated to face along a tangent to the circle 165c0bb8af58ae15674178f2db240283719918c6f28Jim Shumafloat swaySensitivity; // how much to rotate cards in relation to the rotation velocity 166c0bb8af58ae15674178f2db240283719918c6f28Jim Shumafloat frictionCoeff; // how much to slow down the carousel over time 167c0bb8af58ae15674178f2db240283719918c6f28Jim Shumafloat dragFactor; // a scale factor for how sensitive the carousel is to user dragging 168420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerint fadeInDuration; // amount of time (in ms) for smoothly switching out textures 169420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerfloat rezInCardCount; // this controls how rapidly distant card textures will be rez-ed in 170a9e9c4bef076e718094786edfe0290f798e1db4bJim Millerfloat detailFadeRate; // rate at which details fade as they move into the distance 17143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerfloat4 backgroundColor; 1720cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinneyint rowCount; // number of rows of cards in a given slot, default 1 1730cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinneyfloat rowSpacing; // spacing between rows of cards 1740cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney 175be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerint dragModel = DRAG_MODEL_SCREEN_DELTA; 17614d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shumaint fillDirection; // the order in which to lay out cards: +1 for CCW (default), -1 for CW 177fb179e7afd8f02be63061b478b0283e3085fc25fJim Millerrs_program_store programStoreAlphaZ; 178fb179e7afd8f02be63061b478b0283e3085fc25fJim Millerrs_program_store programStoreAlphaNoZ; 179fb179e7afd8f02be63061b478b0283e3085fc25fJim Millerrs_program_store programStoreNoAlphaZ; 180fb179e7afd8f02be63061b478b0283e3085fc25fJim Millerrs_program_store programStoreNoAlphaNoZ; 181a9e9c4bef076e718094786edfe0290f798e1db4bJim Millerrs_program_fragment singleTextureFragmentProgram; 182a9e9c4bef076e718094786edfe0290f798e1db4bJim Millerrs_program_fragment multiTextureFragmentProgram; 1835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_program_vertex vertexProgram; 1845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_program_raster rasterProgram; 1855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_allocation defaultTexture; // shown when no other texture is assigned 1865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_allocation loadingTexture; // progress texture (shown when app is fetching the texture) 1879afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Millerrs_allocation backgroundTexture; // drawn behind everything, if set 1887cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerrs_allocation detailLineTexture; // used to draw detail line (as a quad, of course) 189420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerrs_allocation detailLoadingTexture; // used when detail texture is loading 1905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_mesh defaultGeometry; // shown when no geometry is loaded 1915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_mesh loadingGeometry; // shown when geometry is loading 19251dd0196e4f3bd4086545f5bf30038ca9ad9ac27Bryan Mawhinneyrs_matrix4x4 defaultCardMatrix; 1935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_matrix4x4 projectionMatrix; 1945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_matrix4x4 modelviewMatrix; 195420b44b8b11ec1c309ea130e69a6876325dbfef9Jim MillerFragmentShaderConstants* shaderConstants; 196420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerrs_sampler linearClamp; 1975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Local variables 1995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float bias; // rotation bias, in radians. Used for animation and dragging. 2005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic bool updateCamera; // force a recompute of projection and lookat matrices 2015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const float FLT_MAX = 1.0e37; 20243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic int animatedSelection = -1; 20343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic int currentFirstCard = -1; 2045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int64_t touchTime = -1; // time of first touch (see doStart()) 2055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float touchBias = 0.0f; // bias on first touch 20643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic float2 touchPosition; // position of first touch, as defined by last call to doStart(x,y) 207c0bb8af58ae15674178f2db240283719918c6f28Jim Shumastatic float velocity = 0.0f; // angular velocity in radians/s 20843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic bool overscroll = false; // whether we're in the overscroll animation 20943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic bool isDragging = false; // true while the user is dragging the carousel 21043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic float selectionRadius = 50.0f; // movement greater than this will result in no selection 21143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic bool enableSelection = false; // enabled until the user drags outside of selectionRadius 21243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 21343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Default plane of the carousel. Used for angular motion estimation in view. 21443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic Plane carouselPlane = { 21543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller { 0.0f, 0.0f, 0.0f }, // point 21643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller { 0.0f, 1.0f, 0.0f }, // normal 21743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 0.0f // plane constant (= -dot(P, N)) 21843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller}; 2195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 220be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic Cylinder carouselCylinder = { 221be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller {0.0f, 0.0f, 0.0f }, // center 222be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 1.0f // radius - update with carousel radius. 223be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller}; 224be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 2253df59346f395434454d310b070fff195089fbaf1Jim Miller// Because allocations can't have 0 dimensions, we have to track whether or not 2263df59346f395434454d310b070fff195089fbaf1Jim Miller// cards are valid separately. 2273df59346f395434454d310b070fff195089fbaf1Jim Miller// TODO: Remove this dependency once allocations can have a zero dimension. 2283df59346f395434454d310b070fff195089fbaf1Jim Millerstatic bool cardAllocationValid = false; 2293df59346f395434454d310b070fff195089fbaf1Jim Miller 2305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Default geometry when card.geometry is not set. 2315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const float3 cardVertices[4] = { 2325ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller { -1.0, -1.0, 0.0 }, 2335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller { 1.0, -1.0, 0.0 }, 2345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller { 1.0, 1.0, 0.0 }, 2355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller {-1.0, 1.0, 0.0 } 2365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller}; 2375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 2385ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Default camera 2395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic PerspectiveCamera camera = { 2405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller {2,2,2}, // from 2415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller {0,0,0}, // at 2425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller {0,1,0}, // up 2435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 25.0f, // field of view 2445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1.0f, // aspect 2455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 0.1f, // near 2465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 100.0f // far 2475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller}; 2485ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 2495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Forward references 2505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int intersectGeometry(Ray* ray, float *bestTime); 2518fd40311898a9ec759a76f021642f43e617e38c4Jim Shumastatic int intersectDetailTexture(float x, float y, float2 *tapCoordinates); 252b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool __attribute__((overloadable)) 253b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller makeRayForPixelAt(Ray* ray, PerspectiveCamera* cam, float x, float y); 254b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool __attribute__((overloadable)) 255b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller makeRayForPixelAt(Ray* ray, rs_matrix4x4* model, rs_matrix4x4* proj, float x, float y); 2565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float deltaTimeInSeconds(int64_t current); 257be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic bool rayPlaneIntersect(Ray* ray, Plane* plane, float* tout); 258be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic bool rayCylinderIntersect(Ray* ray, Cylinder* cylinder, float* tout); 2595ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 2605ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid init() { 2615ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // initializers currently have a problem when the variables are exported, so initialize 2625ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // globals here. 2632ba04e061b52c488a154739379501dc833e39f79Jim Miller if (debugTextureLoading) rsDebug("Renderscript: init()", 0); 2645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller startAngle = 0.0f; 2655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller slotCount = 10; 2665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller visibleSlotCount = 1; 2677cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller visibleDetailCount = 3; 2685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bias = 0.0f; 269be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller radius = carouselCylinder.radius = 1.0f; 2705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardRotation = 0.0f; 27183d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney cardsFaceTangent = false; 2725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller updateCamera = true; 273b0f070636c29ad178f4e21306f301fe3d20c183bJim Miller backgroundColor = (float4) { 0.0f, 0.0f, 0.0f, 1.0f }; 2743df59346f395434454d310b070fff195089fbaf1Jim Miller cardAllocationValid = false; 2753df59346f395434454d310b070fff195089fbaf1Jim Miller cardCount = 0; 2760cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney rowCount = 1; 2770cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney rowSpacing = 0.0f; 278420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller fadeInDuration = 250; 279420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller rezInCardCount = 0.0f; // alpha will ramp to 1.0f over this many cards (0.0f means disabled) 280a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller detailFadeRate = 0.5f; // fade details over this many slot positions. 28151dd0196e4f3bd4086545f5bf30038ca9ad9ac27Bryan Mawhinney rsMatrixLoadIdentity(&defaultCardMatrix); 2825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 2835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 2848b55d7500c1e5a88c415dae8dcead16b152d7929Jack Palevichstatic void updateAllocationVars(Card_t* newcards) 2855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 2865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Cards 287ed5cdfa293ec57cb14b98cdc3fa00ac5ec1c1ed4Stephen Hines rs_allocation cardAlloc; 288dcfb45adbcf37de68920c181322aaa9e4e4b58d8Stephen Hines rsSetObject(&cardAlloc, rsGetAllocation(newcards)); 289dcfb45adbcf37de68920c181322aaa9e4e4b58d8Stephen Hines cardCount = (cardAllocationValid && rsIsObject(cardAlloc)) ? rsAllocationGetDimX(cardAlloc) : 0; 2905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 2915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 292be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millervoid setRadius(float rad) 293be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller{ 294be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller radius = carouselCylinder.radius = rad; 295be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller} 296be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 297370b177eb74cd8a7d9a2ab06a5ee8bb3ed25f74fStephen Hinesstatic void initCard(Card_t* card) 2988b55d7500c1e5a88c415dae8dcead16b152d7929Jack Palevich{ 2996f2cc8cf611860467315ecc542f71a225625eb1cJason Sams // Object refs are always initilized cleared. 3002ba04e061b52c488a154739379501dc833e39f79Jim Miller static const float2 zero = {0.0f, 0.0f}; 3012ba04e061b52c488a154739379501dc833e39f79Jim Miller card->detailTextureOffset = zero; 3022ba04e061b52c488a154739379501dc833e39f79Jim Miller card->detailLineOffset = zero; 30351dd0196e4f3bd4086545f5bf30038ca9ad9ac27Bryan Mawhinney rsMatrixLoad(&card->matrix, &defaultCardMatrix); 3042ba04e061b52c488a154739379501dc833e39f79Jim Miller card->textureState = STATE_INVALID; 3052ba04e061b52c488a154739379501dc833e39f79Jim Miller card->detailTextureState = STATE_INVALID; 3062ba04e061b52c488a154739379501dc833e39f79Jim Miller card->geometryState = STATE_INVALID; 3078fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma card->cardVisible = false; 3088fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma card->detailVisible = false; 3092ba04e061b52c488a154739379501dc833e39f79Jim Miller card->textureTimeStamp = 0; 3102ba04e061b52c488a154739379501dc833e39f79Jim Miller card->detailTextureTimeStamp = 0; 3112ba04e061b52c488a154739379501dc833e39f79Jim Miller} 3122ba04e061b52c488a154739379501dc833e39f79Jim Miller 3136f2cc8cf611860467315ecc542f71a225625eb1cJason Samsvoid createCards(int start, int total) 3142ba04e061b52c488a154739379501dc833e39f79Jim Miller{ 3155b54f405b4a1afcf57b5ccee2026a00a1004be20Bryan Mawhinney if (!cardAllocationValid) { 3165b54f405b4a1afcf57b5ccee2026a00a1004be20Bryan Mawhinney // If the allocation is invalid, it contains a single place-holder 3175b54f405b4a1afcf57b5ccee2026a00a1004be20Bryan Mawhinney // card that has not yet been initialized (see CarouselRS.createCards). 3185b54f405b4a1afcf57b5ccee2026a00a1004be20Bryan Mawhinney // Here we ensure that it is initialized when growing the total. 3195b54f405b4a1afcf57b5ccee2026a00a1004be20Bryan Mawhinney start = 0; 3205b54f405b4a1afcf57b5ccee2026a00a1004be20Bryan Mawhinney } 3216f2cc8cf611860467315ecc542f71a225625eb1cJason Sams for (int k = start; k < total; k++) { 3226f2cc8cf611860467315ecc542f71a225625eb1cJason Sams initCard(cards + k); 3232ba04e061b52c488a154739379501dc833e39f79Jim Miller } 3242ba04e061b52c488a154739379501dc833e39f79Jim Miller 3256f2cc8cf611860467315ecc542f71a225625eb1cJason Sams // Since allocations can't have 0-size, we track validity ourselves based on the call to 3266f2cc8cf611860467315ecc542f71a225625eb1cJason Sams // this method. 3276f2cc8cf611860467315ecc542f71a225625eb1cJason Sams cardAllocationValid = total > 0; 3282ba04e061b52c488a154739379501dc833e39f79Jim Miller 3296f2cc8cf611860467315ecc542f71a225625eb1cJason Sams updateAllocationVars(cards); 3305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 332420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller// Computes an alpha value for a card using elapsed time and constant fadeInDuration 333370b177eb74cd8a7d9a2ab06a5ee8bb3ed25f74fStephen Hinesstatic float getAnimatedAlpha(int64_t startTime, int64_t currentTime) 334420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller{ 335420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller double timeElapsed = (double) (currentTime - startTime); // in ms 336420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller double alpha = (double) timeElapsed / fadeInDuration; 337420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller return min(1.0f, (float) alpha); 338420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller} 339420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 3400cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney// Returns total angle for given number of slots 3410cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinneystatic float wedgeAngle(float slots) 3425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 3430cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney return slots * 2.0f * M_PI / slotCount; 3445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 3460cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney// Return angle of slot in position p. 3470cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinneystatic float slotPosition(int p) 3485ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 34914d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma return startAngle + wedgeAngle(p) * fillDirection; 3505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3515ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 3520cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney// Return angle for card in position p. 3530cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinneystatic float cardPosition(int p) 354f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller{ 3550cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney return bias + slotPosition(p / rowCount); 356f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller} 357f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller 35814d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma// Return the lowest possible bias value, based on the fill direction 35914d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shumastatic float minimumBias() 36014d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma{ 36114d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma const int totalSlots = (cardCount + rowCount - 1) / rowCount; 36214d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma return (fillDirection > 0) ? 36314d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma -max(0.0f, wedgeAngle(totalSlots - visibleDetailCount)) : 36414d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma wedgeAngle(0.0f); 36514d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma} 36614d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma 36714d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma// Return the highest possible bias value, based on the fill direction 36814d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shumastatic float maximumBias() 36914d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma{ 37014d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma const int totalSlots = (cardCount + rowCount - 1) / rowCount; 37114d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma return (fillDirection > 0) ? 37214d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma wedgeAngle(0.0f) : 37314d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma max(0.0f, wedgeAngle(totalSlots - visibleDetailCount)); 37414d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma} 37514d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma 37614d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma 377a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich// convert from carousel rotation angle (in card slot units) to radians. 378a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevichstatic float carouselRotationAngleToRadians(float carouselRotationAngle) 379a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich{ 380a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich return -wedgeAngle(carouselRotationAngle); 381a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich} 382a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich 383a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich// convert from radians to carousel rotation angle (in card slot units). 384a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevichstatic float radiansToCarouselRotationAngle(float angle) 385a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich{ 386a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich return -angle * slotCount / ( 2.0f * M_PI ); 387a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich} 388a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich 3895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Set basic camera properties: 3905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// from - position of the camera in x,y,z 3915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// at - target we're looking at - used to compute view direction 3925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// up - a normalized vector indicating up (typically { 0, 1, 0}) 3935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// 3945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// NOTE: the view direction and up vector cannot be parallel/antiparallel with each other 3955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid lookAt(float fromX, float fromY, float fromZ, 3965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float atX, float atY, float atZ, 3975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float upX, float upY, float upZ) 3985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 3995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.from.x = fromX; 4005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.from.y = fromY; 4015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.from.z = fromZ; 4025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.at.x = atX; 4035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.at.y = atY; 4045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.at.z = atZ; 4055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.up.x = upX; 4065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.up.y = upY; 4075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.up.z = upZ; 4085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller updateCamera = true; 4095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 4105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 4115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Load a projection matrix for the given parameters. This is equivalent to gluPerspective() 4125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic void loadPerspectiveMatrix(rs_matrix4x4* matrix, float fovy, float aspect, float near, float far) 4135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 4145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixLoadIdentity(matrix); 4155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float top = near * tan((float) (fovy * M_PI / 360.0f)); 4165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float bottom = -top; 4175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float left = bottom * aspect; 4185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float right = top * aspect; 4195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixLoadFrustum(matrix, left, right, bottom, top, near, far); 4205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 4215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 4225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Construct a matrix based on eye point, center and up direction. Based on the 4235ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// man page for gluLookat(). Up must be normalized. 4245ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic void loadLookatMatrix(rs_matrix4x4* matrix, float3 eye, float3 center, float3 up) 4255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 4265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 f = normalize(center - eye); 4275ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 s = normalize(cross(f, up)); 4285ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 u = cross(s, f); 4295ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float m[16]; 4305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[0] = s.x; 4315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[4] = s.y; 4325ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[8] = s.z; 4335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[12] = 0.0f; 4345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[1] = u.x; 4355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[5] = u.y; 4365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[9] = u.z; 4375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[13] = 0.0f; 4385ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[2] = -f.x; 4395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[6] = -f.y; 4405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[10] = -f.z; 4415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[14] = 0.0f; 4425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[3] = m[7] = m[11] = 0.0f; 4435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[15] = 1.0f; 4445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixLoad(matrix, m); 4455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixTranslate(matrix, -eye.x, -eye.y, -eye.z); 4465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 4475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 4485ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid setTexture(int n, rs_allocation texture) 4495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 4503df59346f395434454d310b070fff195089fbaf1Jim Miller if (n < 0 || n >= cardCount) return; 451c4c6f38bf410af40e10c63b152befd5a39df87c8Jim Miller rsSetObject(&cards[n].texture, texture); 4528441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey if (cards[n].textureState != STATE_STALE && 4538441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey cards[n].textureState != STATE_UPDATING) { 4548441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey cards[n].textureTimeStamp = rsUptimeMillis(); 4558441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey } 4567cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[n].textureState = (texture.p != 0) ? STATE_LOADED : STATE_INVALID; 4577cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller} 4587cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 459b378af500b36226635b6343b1d5009ee9af44fc1Jim Millervoid setDetailTexture(int n, float offx, float offy, float loffx, float loffy, rs_allocation texture) 4607cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller{ 4613df59346f395434454d310b070fff195089fbaf1Jim Miller if (n < 0 || n >= cardCount) return; 462c4c6f38bf410af40e10c63b152befd5a39df87c8Jim Miller rsSetObject(&cards[n].detailTexture, texture); 4636af401bca5f8854524d128e9df5700035fae1160Jim Shuma if (cards[n].detailTextureState != STATE_STALE && 4646af401bca5f8854524d128e9df5700035fae1160Jim Shuma cards[n].detailTextureState != STATE_UPDATING) { 4656af401bca5f8854524d128e9df5700035fae1160Jim Shuma cards[n].detailTextureTimeStamp = rsUptimeMillis(); 4666af401bca5f8854524d128e9df5700035fae1160Jim Shuma } 4677cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[n].detailTextureOffset.x = offx; 4687cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[n].detailTextureOffset.y = offy; 469b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller cards[n].detailLineOffset.x = loffx; 470b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller cards[n].detailLineOffset.y = loffy; 4717cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[n].detailTextureState = (texture.p != 0) ? STATE_LOADED : STATE_INVALID; 4726af401bca5f8854524d128e9df5700035fae1160Jim Shuma} 4736af401bca5f8854524d128e9df5700035fae1160Jim Shuma 4748441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkeyvoid invalidateTexture(int n, bool eraseCurrent) 4758441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey{ 4768441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey if (n < 0 || n >= cardCount) return; 4778441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey if (eraseCurrent) { 4788441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey cards[n].textureState = STATE_INVALID; 4798441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey rsClearObject(&cards[n].texture); 4808441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey } else { 4818441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey cards[n].textureState = STATE_STALE; 4828441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey } 4838441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey} 4848441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey 4856af401bca5f8854524d128e9df5700035fae1160Jim Shumavoid invalidateDetailTexture(int n, bool eraseCurrent) 4866af401bca5f8854524d128e9df5700035fae1160Jim Shuma{ 4876af401bca5f8854524d128e9df5700035fae1160Jim Shuma if (n < 0 || n >= cardCount) return; 4886af401bca5f8854524d128e9df5700035fae1160Jim Shuma if (eraseCurrent) { 4896af401bca5f8854524d128e9df5700035fae1160Jim Shuma cards[n].detailTextureState = STATE_INVALID; 4906af401bca5f8854524d128e9df5700035fae1160Jim Shuma rsClearObject(&cards[n].detailTexture); 4916af401bca5f8854524d128e9df5700035fae1160Jim Shuma } else { 4926af401bca5f8854524d128e9df5700035fae1160Jim Shuma cards[n].detailTextureState = STATE_STALE; 4936af401bca5f8854524d128e9df5700035fae1160Jim Shuma } 4945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 4955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 4965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid setGeometry(int n, rs_mesh geometry) 4975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 4983df59346f395434454d310b070fff195089fbaf1Jim Miller if (n < 0 || n >= cardCount) return; 499c4c6f38bf410af40e10c63b152befd5a39df87c8Jim Miller rsSetObject(&cards[n].geometry, geometry); 5005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[n].geometry.p != 0) 5015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[n].geometryState = STATE_LOADED; 5025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller else 5035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[n].geometryState = STATE_INVALID; 5045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 5055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 506a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevichvoid setCarouselRotationAngle(float carouselRotationAngle) { 507a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich bias = carouselRotationAngleToRadians(carouselRotationAngle); 508198a060d650bc849ef0f25b597888fac9546803bJack Palevich} 509198a060d650bc849ef0f25b597888fac9546803bJack Palevich 5101eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller// Gets animated scale value for current selected card. 5111eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller// If card is currently being animated, returns true, otherwise returns false. 5121eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Millerstatic bool getAnimatedScaleForSelected(float3* scale) 5135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 5145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller const float3 one = { 1.0f, 1.0f, 1.0f }; 5151eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller int64_t dt = rsUptimeMillis() - touchTime; 5161eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller if (dt >= ANIMATION_DELAY_TIME) { 5171eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller float fraction = (float) (dt - ANIMATION_DELAY_TIME) / ANIMATION_SCALE_TIME; 5181eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller fraction = min(fraction, 1.0f); 5191eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller *scale = one + fraction * SELECTED_SCALE_FACTOR; 5201eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller } else { 5211eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller *scale = one; 5221eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller } 5231eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller return dt < (ANIMATION_DELAY_TIME + ANIMATION_SCALE_TIME); // still animating; 5245ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 5255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 526c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma// The Verhulst logistic function: http://en.wikipedia.org/wiki/Logistic_function 527c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma// P(t) = 1 / (1 + e^(-t)) 528c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma// Parameter t: Any real number 529c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma// Returns: A float in the range (0,1), with P(0.5)=0 530c0bb8af58ae15674178f2db240283719918c6f28Jim Shumastatic float logistic(float t) { 531af8cf9a3bbe517b604b48e217b00085351ab2496Shih-wei Liao return 1.f / (1.f + exp(-t)); 532c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma} 533c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma 5347c09ccce478100d75e4427d87866ff19d758ae7aJim Shumastatic float getSwayAngleForVelocity(float v, bool enableSway) 535c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma{ 5367c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma float sway = 0.0f; 5377c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma 5387c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma if (enableSway) { 539d7fa647e6fa4e832381be5bdd03065f9ea35c3f1Jim Shuma const float range = M_PI * 2./3.; // How far we can deviate from center, peak-to-peak 540d7fa647e6fa4e832381be5bdd03065f9ea35c3f1Jim Shuma sway = range * (logistic(-v * swaySensitivity) - 0.5f); 5417c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma } 542c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma 543c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma return sway; 544c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma} 545c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma 5460cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney// Returns the vertical offset for a card in its slot, 5470cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney// depending on the number of rows configured. 5480cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinneystatic float getVerticalOffsetForCard(int i) { 5490cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney if (rowCount == 1) { 5500cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney // fast path 5510cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney return 0; 5520cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney } 5530cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney const float cardHeight = cardVertices[3].y - cardVertices[0].y; 5540cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney const float totalHeight = rowCount * (cardHeight + rowSpacing) - rowSpacing; 5550cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney const float rowOffset = (i % rowCount) * (cardHeight + rowSpacing); 5560cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney return (cardHeight - totalHeight) / 2 + rowOffset; 5570cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney} 5580cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney 5591eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller/* 5601eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * Composes a matrix for the given card. 5611eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * matrix: The output matrix. 5621eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * i: The card we're getting the matrix for. 5631eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * enableSway: Whether to enable swaying. (We want it on for cards, and off for detail textures.) 5641eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * 5651eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * returns true if an animation is being applied to the given card 5661eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller */ 5671eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Millerstatic bool getMatrixForCard(rs_matrix4x4* matrix, int i, bool enableSway) 5685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 5695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float theta = cardPosition(i); 5707c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma float swayAngle = getSwayAngleForVelocity(velocity, enableSway); 5715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixRotate(matrix, degrees(theta), 0, 1, 0); 5720cec8afdb4f9d78adf88c9b9b41e993aef617beaBryan Mawhinney rsMatrixTranslate(matrix, radius, getVerticalOffsetForCard(i), 0); 57383d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney float rotation = cardRotation + swayAngle; 57483d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney if (!cardsFaceTangent) { 57583d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney rotation -= theta; 57683d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney } 57783d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney rsMatrixRotate(matrix, degrees(rotation), 0, 1, 0); 5781eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller bool stillAnimating = false; 57943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (i == animatedSelection && enableSelection) { 5801eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller float3 scale; 5811eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller stillAnimating = getAnimatedScaleForSelected(&scale); 5825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixScale(matrix, scale.x, scale.y, scale.z); 5835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 58451dd0196e4f3bd4086545f5bf30038ca9ad9ac27Bryan Mawhinney rsMatrixLoadMultiply(matrix, &cards[i].matrix, matrix); 5851eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller return stillAnimating; 5865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 5875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 588420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller/* 589420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller * Draws cards around the Carousel. 590420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller * Returns true if we're still animating any property of the cards (e.g. fades). 591420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller */ 592420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerstatic bool drawCards(int64_t currentTime) 5935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 594420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller const float wedgeAngle = 2.0f * M_PI / slotCount; 595420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller const float endAngle = startAngle + visibleSlotCount * wedgeAngle; 596420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller bool stillAnimating = false; 597420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller for (int i = cardCount-1; i >= 0; i--) { 5988fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (cards[i].cardVisible) { 599420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // If this card was recently loaded, this will be < 1.0f until the animation completes 600420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller float animatedAlpha = getAnimatedAlpha(cards[i].textureTimeStamp, currentTime); 601420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller if (animatedAlpha < 1.0f) { 602420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller stillAnimating = true; 603420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller } 604420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 605420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // Compute fade out for cards in the distance 606420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller float positionAlpha; 607420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller if (rezInCardCount > 0.0f) { 608420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller positionAlpha = (endAngle - cardPosition(i)) / wedgeAngle; 609420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller positionAlpha = min(1.0f, positionAlpha / rezInCardCount); 610420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller } else { 611420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller positionAlpha = 1.0f; 612420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller } 613420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 614420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // Set alpha for blending between the textures 615420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller shaderConstants->fadeAmount = min(1.0f, animatedAlpha * positionAlpha); 616420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller rsAllocationMarkDirty(rsGetAllocation(shaderConstants)); 617420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 618b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller // Bind the appropriate shader network. If there's no alpha blend, then 619b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller // switch to single shader for better performance. 6208441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey const int state = cards[i].textureState; 6218441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey const bool loaded = (state == STATE_LOADED) || (state == STATE_STALE) || 6228441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey (state == STATE_UPDATING); 623b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (shaderConstants->fadeAmount == 1.0f || shaderConstants->fadeAmount < 0.01f) { 624b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindProgramFragment(singleTextureFragmentProgram); 625b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(singleTextureFragmentProgram, 0, 626b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller (loaded && shaderConstants->fadeAmount == 1.0f) ? 627b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller cards[i].texture : loadingTexture); 6285ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 629b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindProgramFragment(multiTextureFragmentProgram); 630b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(multiTextureFragmentProgram, 0, loadingTexture); 631b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(multiTextureFragmentProgram, 1, loaded ? 632b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller cards[i].texture : loadingTexture); 6335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 6345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 6355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Draw geometry 6365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rs_matrix4x4 matrix = modelviewMatrix; 6371eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller stillAnimating |= getMatrixForCard(&matrix, i, true); 6385ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgProgramVertexLoadModelMatrix(&matrix); 6395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[i].geometryState == STATE_LOADED && cards[i].geometry.p != 0) { 6405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgDrawMesh(cards[i].geometry); 6415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else if (cards[i].geometryState == STATE_LOADING && loadingGeometry.p != 0) { 6425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgDrawMesh(loadingGeometry); 6435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else if (defaultGeometry.p != 0) { 6445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgDrawMesh(defaultGeometry); 6455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 6465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Draw place-holder geometry 6475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgDrawQuad( 6485ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardVertices[0].x, cardVertices[0].y, cardVertices[0].z, 6495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardVertices[1].x, cardVertices[1].y, cardVertices[1].z, 6505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardVertices[2].x, cardVertices[2].y, cardVertices[2].z, 6515ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardVertices[3].x, cardVertices[3].y, cardVertices[3].z); 6525ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 6535ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 6545ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 655420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller return stillAnimating; 6565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 6575ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 6584fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma/** 6594fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma * Convert projection from normalized coordinates to pixel coordinates. 6604fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma * 6614fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma * @return True on success, false on failure. 6624fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma */ 6634fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shumastatic bool convertNormalizedToPixelCoordinates(float4 *screenCoord, float width, float height) { 6644fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma // This is probably cheaper than pre-multiplying with another matrix. 6654fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma if (screenCoord->w == 0.0f) { 6664fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma rsDebug("Bad transform while converting from normalized to pixel coordinates: ", 6674fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord); 6684fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma return false; 6694fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 6704fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma *screenCoord *= 1.0f / screenCoord->w; 6714fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->x += 1.0f; 6724fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->y += 1.0f; 6734fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->z += 1.0f; 6744fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->x = round(screenCoord->x * 0.5f * width); 6754fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->y = round(screenCoord->y * 0.5f * height); 6764fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->z = - 0.5f * screenCoord->z; 6774fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma return true; 6784fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma} 6794fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma 6807cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller/* 6817cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller * Draws a screen-aligned card with the exact dimensions from the detail texture. 6824a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * This is used to display information about the object being displayed. 683420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller * Returns true if we're still animating any property of the cards (e.g. fades). 6847cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller */ 685420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerstatic bool drawDetails(int64_t currentTime) 6867cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller{ 6877cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float width = rsgGetWidth(); 6887cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float height = rsgGetHeight(); 6897cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 690420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller bool stillAnimating = false; 691420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 6927cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // We'll be drawing in screen space, sampled on pixel centers 6937cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rs_matrix4x4 projection, model; 6947cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsMatrixLoadOrtho(&projection, 0.0f, width, 0.0f, height, 0.0f, 1.0f); 6957cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsgProgramVertexLoadProjectionMatrix(&projection); 6967cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsMatrixLoadIdentity(&model); 6977cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsgProgramVertexLoadModelMatrix(&model); 6987cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller updateCamera = true; // we messed with the projection matrix. Reload on next pass... 6997cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 7007cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float yPadding = 5.0f; // draw line this far (in pixels) away from top and geometry 7017cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 702420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // This can be done once... 703a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller rsgBindTexture(multiTextureFragmentProgram, 0, detailLoadingTexture); 704a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller 705a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller const float wedgeAngle = 2.0f * M_PI / slotCount; 706a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller // Angle where details start fading from 1.0f 707a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller const float startDetailFadeAngle = startAngle + (visibleDetailCount - 1) * wedgeAngle; 708a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller // Angle where detail alpha is 0.0f 709a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller const float endDetailFadeAngle = startDetailFadeAngle + detailFadeRate * wedgeAngle; 710420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 711a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller for (int i = cardCount-1; i >= 0; --i) { 7128fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (cards[i].cardVisible) { 7136af401bca5f8854524d128e9df5700035fae1160Jim Shuma const int state = cards[i].detailTextureState; 7146af401bca5f8854524d128e9df5700035fae1160Jim Shuma const bool isLoaded = (state == STATE_LOADED) || (state == STATE_STALE) || 7156af401bca5f8854524d128e9df5700035fae1160Jim Shuma (state == STATE_UPDATING); 7166af401bca5f8854524d128e9df5700035fae1160Jim Shuma if (isLoaded && cards[i].detailTexture.p != 0) { 7177cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float lineWidth = rsAllocationGetDimX(detailLineTexture); 7187cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 7194fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma // Compute position in screen space of top corner or bottom corner of card 720af8cf9a3bbe517b604b48e217b00085351ab2496Shih-wei Liao rsMatrixLoad(&model, &modelviewMatrix); 7211eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller stillAnimating |= getMatrixForCard(&model, i, false); 7227cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rs_matrix4x4 matrix; 7237cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsMatrixLoadMultiply(&matrix, &projectionMatrix, &model); 724d443c88da4c7cf1947c12b26f111cb899cc8afe4Jim Miller 7254fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma int indexLeft, indexRight; 7264fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma float4 screenCoord; 7274a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & BELOW) { 7284fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma indexLeft = 0; 7294fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma indexRight = 1; 7304fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } else { 7314fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma indexLeft = 3; 7324fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma indexRight = 2; 7334fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 7344fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma float4 screenCoordLeft = rsMatrixMultiply(&matrix, cardVertices[indexLeft]); 7354fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma float4 screenCoordRight = rsMatrixMultiply(&matrix, cardVertices[indexRight]); 7364fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma if (screenCoordLeft.w == 0.0f || screenCoordRight.w == 0.0f) { 7377cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // this shouldn't happen 7387cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsDebug("Bad transform: ", screenCoord); 7397cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller continue; 7407cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 7414a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & CENTER_VERTICAL) { 7424a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // If we're centering vertically, we'll need the other vertices too 7434a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & BELOW) { 7444a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney indexLeft = 3; 7454a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney indexRight = 2; 7464a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } else { 7474a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney indexLeft = 0; 7484a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney indexRight = 1; 7494a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } 7504a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney float4 otherScreenLeft = rsMatrixMultiply(&matrix, cardVertices[indexLeft]); 7514a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney float4 otherScreenRight = rsMatrixMultiply(&matrix, cardVertices[indexRight]); 7524a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney screenCoordRight.y = screenCoordLeft.y = (screenCoordLeft.y + screenCoordRight.y 7534a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney + otherScreenLeft.y + otherScreenRight.y) / 4.; 7544a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } 7554fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma (void) convertNormalizedToPixelCoordinates(&screenCoordLeft, width, height); 7564fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma (void) convertNormalizedToPixelCoordinates(&screenCoordRight, width, height); 7574fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma if (debugDetails) { 7584fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma RS_DEBUG(screenCoordLeft); 7594fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma RS_DEBUG(screenCoordRight); 7604fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 7614fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord = screenCoordLeft; 7624a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & BELOW) { 7634fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord.y = min(screenCoordLeft.y, screenCoordRight.y); 7644a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } else if (detailTextureAlignment & CENTER_VERTICAL) { 765fe38385c1e5ce443adb962c066adeea185ad3d74Bryan Mawhinney screenCoord.y -= round(rsAllocationGetDimY(cards[i].detailTexture) / 2.0f); 7664fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 7674a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & CENTER_HORIZONTAL) { 768fe38385c1e5ce443adb962c066adeea185ad3d74Bryan Mawhinney screenCoord.x += round((screenCoordRight.x - screenCoordLeft.x) / 2.0f - 769fe38385c1e5ce443adb962c066adeea185ad3d74Bryan Mawhinney rsAllocationGetDimX(cards[i].detailTexture) / 2.0f); 7704fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 7717cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 772420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // Compute alpha for gradually fading in details. Applied to both line and 773420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // detail texture. TODO: use a separate background texture for line. 774420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller float animatedAlpha = getAnimatedAlpha(cards[i].detailTextureTimeStamp, currentTime); 775420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller if (animatedAlpha < 1.0f) { 776420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller stillAnimating = true; 777420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller } 778420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 779a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller // Compute alpha based on position. We fade cards quickly so they cannot overlap 780a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller float positionAlpha = ((float)endDetailFadeAngle - cardPosition(i)) 781a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller / (endDetailFadeAngle - startDetailFadeAngle); 782a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller positionAlpha = max(0.0f, positionAlpha); 783a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller positionAlpha = min(1.0f, positionAlpha); 784a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller 785a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller const float blendedAlpha = min(1.0f, animatedAlpha * positionAlpha); 786a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller 7878fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (blendedAlpha == 0.0f) { 7888fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailVisible = false; 7898fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma continue; // nothing to draw 7908fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma } else { 7918fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailVisible = true; 7928fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma } 793b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (blendedAlpha == 1.0f) { 794b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindProgramFragment(singleTextureFragmentProgram); 795b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } else { 796b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindProgramFragment(multiTextureFragmentProgram); 797b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } 798a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller 799420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // Set alpha for blending between the textures 800a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller shaderConstants->fadeAmount = blendedAlpha; 801420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller rsAllocationMarkDirty(rsGetAllocation(shaderConstants)); 802420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 8034a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // Draw line from the card to the detail texture. 8044a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // The line is drawn from the top or bottom left of the card 8054a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // to either the top of the screen or the top of the detail 8064a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // texture, depending on detailTextureAlignment. 8077c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma if (drawRuler) { 8084a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney float rulerTop; 8094a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney float rulerBottom; 8104a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & BELOW) { 8114a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney rulerTop = screenCoord.y; 8124a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney rulerBottom = 0; 8134a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } else { 8144a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney rulerTop = height; 8154a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney rulerBottom = screenCoord.y; 8164a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } 8177c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma const float halfWidth = lineWidth * 0.5f; 8181eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller const float x0 = trunc(cards[i].detailLineOffset.x + screenCoord.x - halfWidth); 8191eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller const float x1 = x0 + lineWidth; 820b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float y0 = rulerBottom + yPadding; 821b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float y1 = rulerTop - yPadding - cards[i].detailLineOffset.y; 822b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 823b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (blendedAlpha == 1.0f) { 824b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(singleTextureFragmentProgram, 0, detailLineTexture); 825b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } else { 826b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(multiTextureFragmentProgram, 1, detailLineTexture); 827b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } 828b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgDrawQuad(x0, y0, screenCoord.z, x1, y0, screenCoord.z, 829b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller x1, y1, screenCoord.z, x0, y1, screenCoord.z); 8307c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma } 8317cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 8327cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // Draw the detail texture next to it using the offsets provided. 8337cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float textureWidth = rsAllocationGetDimX(cards[i].detailTexture); 8347cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float textureHeight = rsAllocationGetDimY(cards[i].detailTexture); 8357cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float offx = cards[i].detailTextureOffset.x; 8367cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float offy = -cards[i].detailTextureOffset.y; 8374a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney const float textureTop = (detailTextureAlignment & VIEW_TOP) 8384a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney ? height : screenCoord.y; 839b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float x0 = cards[i].detailLineOffset.x + screenCoord.x + offx; 840b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float x1 = cards[i].detailLineOffset.x + screenCoord.x + offx + textureWidth; 841b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float y0 = textureTop + offy - textureHeight - cards[i].detailLineOffset.y; 842b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float y1 = textureTop + offy - cards[i].detailLineOffset.y; 8438fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailTexturePosition[0].x = x0; 8448fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailTexturePosition[0].y = height - y1; 8458fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailTexturePosition[1].x = x1; 8468fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailTexturePosition[1].y = height - y0; 847b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 848b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (blendedAlpha == 1.0f) { 849b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(singleTextureFragmentProgram, 0, cards[i].detailTexture); 850b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } else { 851b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(multiTextureFragmentProgram, 1, cards[i].detailTexture); 852b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } 853b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgDrawQuad(x0, y0, screenCoord.z, x1, y0, screenCoord.z, 854b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller x1, y1, screenCoord.z, x0, y1, screenCoord.z); 8557cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 8567cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 8577cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 858420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller return stillAnimating; 8597cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller} 8607cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 8619afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Millerstatic void drawBackground() 8629afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller{ 863b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller static bool toggle; 8649afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller if (backgroundTexture.p != 0) { 8659afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgClearDepth(1.0f); 8669afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rs_matrix4x4 projection, model; 8679afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsMatrixLoadOrtho(&projection, -1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f); 8689afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgProgramVertexLoadProjectionMatrix(&projection); 8699afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsMatrixLoadIdentity(&model); 8709afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgProgramVertexLoadModelMatrix(&model); 871a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller rsgBindTexture(singleTextureFragmentProgram, 0, backgroundTexture); 8729afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller float z = -0.9999f; 8739afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgDrawQuad( 8749afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller cardVertices[0].x, cardVertices[0].y, z, 8759afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller cardVertices[1].x, cardVertices[1].y, z, 8769afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller cardVertices[2].x, cardVertices[2].y, z, 8779afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller cardVertices[3].x, cardVertices[3].y, z); 8789afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller updateCamera = true; // we mucked with the matrix. 8799afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller } else { 8809afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgClearDepth(1.0f); 881b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (debugRendering) { // for debugging - flash the screen so we know we're still rendering 882b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgClearColor(toggle ? backgroundColor.x : 1.0f, 883b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller toggle ? backgroundColor.y : 0.0f, 884b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller toggle ? backgroundColor.z : 0.0f, 885b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller backgroundColor.w); 8869afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller toggle = !toggle; 887b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } else { 8887cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsgClearColor(backgroundColor.x, backgroundColor.y, backgroundColor.z, 8897cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller backgroundColor.w); 8909afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller } 8919afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller } 8929afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller} 8939afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller 8945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic void updateCameraMatrix(float width, float height) 8955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 8965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float aspect = width / height; 8975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (aspect != camera.aspect || updateCamera) { 8985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.aspect = aspect; 8995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller loadPerspectiveMatrix(&projectionMatrix, camera.fov, camera.aspect, camera.near, camera.far); 9005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgProgramVertexLoadProjectionMatrix(&projectionMatrix); 9015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 9025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller loadLookatMatrix(&modelviewMatrix, camera.from, camera.at, camera.up); 9035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgProgramVertexLoadModelMatrix(&modelviewMatrix); 9045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller updateCamera = false; 9055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 9065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 9075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 9085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 9095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Behavior/Physics 9105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 9115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int64_t lastTime = 0L; // keep track of how much time has passed between frames 912be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic float lastAngle = 0.0f; 9135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float2 lastPosition; 9145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic bool animating = false; 915b2c785780ecbe79a5b7ba558b21985f956458c8cJim Shumastatic float stopVelocity = 0.1f * M_PI / 180.0f; // slower than this: carousel stops 916b2c785780ecbe79a5b7ba558b21985f956458c8cJim Shumastatic float selectionVelocity = 15.0f * M_PI / 180.0f; // faster than this: tap won't select 9175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float velocityTracker; 9185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int velocityTrackerCount; 9195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float mass = 5.0f; // kg 9205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 9215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const float G = 9.80f; // gravity constant, in m/s 9225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const float springConstant = 0.0f; 9235ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 924be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller// Computes a hit angle from the center of the carousel to a point on either a plane 925be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller// or on a cylinder. If neither is hit, returns false. 926be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic bool hitAngle(float x, float y, float *angle) 927be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller{ 928be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller Ray ray; 929be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller makeRayForPixelAt(&ray, &camera, x, y); 930be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller float t = FLT_MAX; 931be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (dragModel == DRAG_MODEL_PLANE && rayPlaneIntersect(&ray, &carouselPlane, &t)) { 932be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller const float3 point = (ray.position + t*ray.direction); 933be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller const float3 direction = point - carouselPlane.point; 934be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller *angle = atan2(direction.x, direction.z); 935be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (debugSelection) rsDebug("Plane Angle = ", degrees(*angle)); 936be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller return true; 937be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } else if ((dragModel == DRAG_MODEL_CYLINDER_INSIDE || dragModel == DRAG_MODEL_CYLINDER_OUTSIDE) 938be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller && rayCylinderIntersect(&ray, &carouselCylinder, &t)) { 939be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller const float3 point = (ray.position + t*ray.direction); 940be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller const float3 direction = point - carouselCylinder.center; 941be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller *angle = atan2(direction.x, direction.z); 942be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (debugSelection) rsDebug("Cylinder Angle = ", degrees(*angle)); 943be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller return true; 944be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } 945be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller return false; 946be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller} 947be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 9485ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float dragFunction(float x, float y) 9495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 950be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller float result; 951be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller float angle; 952be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (hitAngle(x, y, &angle)) { 953be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller result = angle - lastAngle; 954be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller // Handle singularity where atan2 switches between +- PI 955be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (result < -M_PI) { 956be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller result += 2.0f * M_PI; 957be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } else if (result > M_PI) { 958be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller result -= 2.0f * M_PI; 959be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } 960be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller lastAngle = angle; 961be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } else { 962be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller // If we didn't hit anything or drag model wasn't plane or cylinder, we use screen delta 963be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller result = dragFactor * ((x - lastPosition.x) / rsgGetWidth()) * M_PI; 964be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } 965be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller return result; 9665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 9675ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 9685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float deltaTimeInSeconds(int64_t current) 9695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 9705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return (lastTime > 0L) ? (float) (current - lastTime) / 1000.0f : 0.0f; 9715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 9725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 973370b177eb74cd8a7d9a2ab06a5ee8bb3ed25f74fStephen Hinesstatic int doSelection(float x, float y) 9745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 9755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller Ray ray; 976b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (makeRayForPixelAt(&ray, &camera, x, y)) { 9775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float bestTime = FLT_MAX; 9785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return intersectGeometry(&ray, &bestTime); 9795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 9805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return -1; 9815ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 9825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 983370b177eb74cd8a7d9a2ab06a5ee8bb3ed25f74fStephen Hinesstatic void sendAnimationStarted() { 98443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller rsSendToClient(CMD_ANIMATION_STARTED); 98543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} 98643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 987370b177eb74cd8a7d9a2ab06a5ee8bb3ed25f74fStephen Hinesstatic void sendAnimationFinished() { 988a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich float data[1]; 989a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich data[0] = radiansToCarouselRotationAngle(bias); 990a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich rsSendToClient(CMD_ANIMATION_FINISHED, (int*) data, sizeof(data)); 991a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich} 992a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich 9931882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Millervoid doStart(float x, float y, long eventTime) 9945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 99543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller touchPosition = lastPosition = (float2) { x, y }; 996be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller lastAngle = hitAngle(x,y, &lastAngle) ? lastAngle : 0.0f; 997b2c785780ecbe79a5b7ba558b21985f956458c8cJim Shuma enableSelection = fabs(velocity) < selectionVelocity; 9985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller velocity = 0.0f; 9995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller velocityTracker = 0.0f; 10005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller velocityTrackerCount = 0; 10011882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Miller touchTime = lastTime = eventTime; 10025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller touchBias = bias; 100343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller isDragging = true; 1004e26fadd96cff3251d7ed391e10ab9c372ce5e825Bryan Mawhinney overscroll = false; 100543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller animatedSelection = doSelection(x, y); // used to provide visual feedback on touch 10065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 10075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10081882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Millervoid doStop(float x, float y, long eventTime) 10095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 10108b55d7500c1e5a88c415dae8dcead16b152d7929Jack Palevich updateAllocationVars(cards); 101143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 101243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (enableSelection) { 10138fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma int data[3]; 10148fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma int selection; 10158fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma float2 point; 10168fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma 10178fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if ((selection = intersectDetailTexture(x, y, &point)) != -1) { 10188fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (debugSelection) rsDebug("Selected detail texture on doStop():", selection); 10198fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma data[0] = selection; 10208fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma data[1] = point.x; 10218fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma data[2] = point.y; 10228fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma rsSendToClientBlocking(CMD_DETAIL_SELECTED, data, sizeof(data)); 10238fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma } 10248fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma else if ((selection = doSelection(x, y))!= -1) { 102543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (debugSelection) rsDebug("Selected item on doStop():", selection); 102643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller data[0] = selection; 102743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller rsSendToClientBlocking(CMD_CARD_SELECTED, data, sizeof(data)); 102843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 102943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller animating = false; 10305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 103143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // TODO: move velocity tracking to Java 10325ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller velocity = velocityTrackerCount > 0 ? 10335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller (velocityTracker / velocityTrackerCount) : 0.0f; // avg velocity 1034b2c785780ecbe79a5b7ba558b21985f956458c8cJim Shuma if (fabs(velocity) > stopVelocity) { 10355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller animating = true; 10365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 10375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 103843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller enableSelection = false; 10391882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Miller lastTime = eventTime; 104043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller isDragging = false; 10415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 10425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1043594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shumavoid doLongPress() 1044594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma{ 1045594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma int64_t currentTime = rsUptimeMillis(); 1046594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma updateAllocationVars(cards); 104743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Selection happens for most recent position detected in doMotion() 1048e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma if (enableSelection && animatedSelection != -1) { 1049e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma if (debugSelection) rsDebug("doLongPress(), selection = ", animatedSelection); 1050e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma int data[7]; 1051e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[0] = animatedSelection; 1052e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[1] = lastPosition.x; 1053e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[2] = lastPosition.y; 1054e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[3] = cards[animatedSelection].detailTexturePosition[0].x; 1055e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[4] = cards[animatedSelection].detailTexturePosition[0].y; 1056e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[5] = cards[animatedSelection].detailTexturePosition[1].x; 1057e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma data[6] = cards[animatedSelection].detailTexturePosition[1].y; 1058594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma rsSendToClientBlocking(CMD_CARD_LONGPRESS, data, sizeof(data)); 1059e8cab95c5f73ddf6843d82793decc3adb4692860Jim Shuma enableSelection = false; 1060594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma } 1061594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma lastTime = rsUptimeMillis(); 1062594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma} 1063594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma 10641882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Millervoid doMotion(float x, float y, long eventTime) 10655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 106614d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma const float highBias = maximumBias(); 106714d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma const float lowBias = minimumBias(); 10685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float deltaOmega = dragFunction(x, y); 106943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (!enableSelection) { 107043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias += deltaOmega; 107114d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma bias = clamp(bias, lowBias - wedgeAngle(OVERSCROLL_SLOTS), 107214d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma highBias + wedgeAngle(OVERSCROLL_SLOTS)); 107343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 107443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float2 delta = (float2) { x, y } - touchPosition; 107543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float distance = sqrt(dot(delta, delta)); 107643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bool inside = (distance < selectionRadius); 107743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller enableSelection &= inside; 107843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller lastPosition = (float2) { x, y }; 10791882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Miller float dt = deltaTimeInSeconds(eventTime); 10805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (dt > 0.0f) { 10815ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float v = deltaOmega / dt; 108243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller velocityTracker += v; 108343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller velocityTrackerCount++; 10845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 1085c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma velocity = velocityTrackerCount > 0 ? 1086c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma (velocityTracker / velocityTrackerCount) : 0.0f; // avg velocity 10871882cebdc1b7b0551189ca33fb7cb77ef10c988bJim Miller lastTime = eventTime; 10885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 10895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 10915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Hit detection using ray casting. 10925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 109343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic const float EPSILON = 1.0e-6f; 109443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic const float tmin = 0.0f; 10955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic bool 109743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim MillerrayTriangleIntersect(Ray* ray, float3 p0, float3 p1, float3 p2, float* tout) 10985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 10995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 e1 = p1 - p0; 11005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 e2 = p2 - p0; 11015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 s1 = cross(ray->direction, e2); 11025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 11035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float div = dot(s1, e1); 11045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (div == 0.0f) return false; // ray is parallel to plane. 11055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 11065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 d = ray->position - p0; 11075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float invDiv = 1.0f / div; 11085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 11095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float u = dot(d, s1) * invDiv; 11105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (u < 0.0f || u > 1.0f) return false; 11115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 11125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 s2 = cross(d, e1); 11135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float v = dot(ray->direction, s2) * invDiv; 11145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if ( v < 0.0f || (u+v) > 1.0f) return false; 11155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 11165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float t = dot(e2, s2) * invDiv; 11175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (t < tmin || t > *tout) 11185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return false; 11195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller *tout = t; 11205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return true; 11215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 11225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 112343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 112443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Computes ray/plane intersection. Returns false if no intersection found. 112543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 1126b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool 112743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim MillerrayPlaneIntersect(Ray* ray, Plane* plane, float* tout) 1128b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller{ 112943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float denom = dot(ray->direction, plane->normal); 113043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (fabs(denom) > EPSILON) { 113143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float t = - (plane->constant + dot(ray->position, plane->normal)) / denom; 113243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (t > tmin && t < *tout) { 113343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller *tout = t; 113443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return true; 113543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 113643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 113743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return false; 1138b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller} 1139b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 114043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 114143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Computes ray/cylindr intersection. There are 0, 1 or 2 hits. 114243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Returns true and sets *tout to the closest point or 114343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// returns false if no intersection found. 114443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 1145b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool 114643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim MillerrayCylinderIntersect(Ray* ray, Cylinder* cylinder, float* tout) 1147b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller{ 114843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float A = ray->direction.x * ray->direction.x + ray->direction.z * ray->direction.z; 114943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (A < EPSILON) return false; // ray misses 115043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 115143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Compute quadratic equation coefficients 115243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float B = 2.0f * (ray->direction.x * ray->position.x 115343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller + ray->direction.z * ray->position.z); 115443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float C = ray->position.x * ray->position.x 115543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller + ray->position.z * ray->position.z 115643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller - cylinder->radius * cylinder->radius; 115743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float disc = B*B - 4*A*C; 115843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 115943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (disc < 0.0f) return false; // ray misses 116043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller disc = sqrt(disc); 116143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float denom = 2.0f * A; 116243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 116343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Nearest point 116443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float t1 = (-B - disc) / denom; 1165be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (dragModel == DRAG_MODEL_CYLINDER_OUTSIDE && t1 > tmin && t1 < *tout) { 116643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller *tout = t1; 116743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return true; 116843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 116943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 117043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Far point 117143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float t2 = (-B + disc) / denom; 1172be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (dragModel == DRAG_MODEL_CYLINDER_INSIDE && t2 > tmin && t2 < *tout) { 117343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller *tout = t2; 117443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return true; 117543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 117643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return false; 1177b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller} 1178b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1179b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller// Creates a ray for an Android pixel coordinate given a camera, ray and coordinates. 11805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Note that the Y coordinate is opposite of GL rendering coordinates. 1181b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool __attribute__((overloadable)) 1182b378af500b36226635b6343b1d5009ee9af44fc1Jim MillermakeRayForPixelAt(Ray* ray, PerspectiveCamera* cam, float x, float y) 11835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 11845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (debugCamera) { 11855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsDebug("------ makeRay() -------", 0); 1186b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Camera.from:", cam->from); 1187b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Camera.at:", cam->at); 1188b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Camera.dir:", normalize(cam->at - cam->from)); 11895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 11905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 11915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Vector math. This has the potential to be much faster. 11925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // TODO: pre-compute lowerLeftRay, du, dv to eliminate most of this math. 1193b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float u = x / rsgGetWidth(); 1194b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float v = 1.0f - (y / rsgGetHeight()); 1195b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float aspect = (float) rsgGetWidth() / rsgGetHeight(); 1196b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float tanfov2 = 2.0f * tan(radians(cam->fov / 2.0f)); 1197b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float3 dir = normalize(cam->at - cam->from); 1198b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float3 du = tanfov2 * normalize(cross(dir, cam->up)); 1199b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float3 dv = tanfov2 * normalize(cross(du, dir)); 1200b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller du *= aspect; 1201b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float3 lowerLeftRay = dir - (0.5f * du) - (0.5f * dv); 1202b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 rayPoint = cam->from; 1203b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 rayDir = normalize(lowerLeftRay + u*du + v*dv); 1204b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (debugCamera) { 1205b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Ray direction (vector math) = ", rayDir); 12065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 12075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1208b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller ray->position = rayPoint; 1209b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller ray->direction = rayDir; 1210b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller return true; 1211b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller} 1212b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1213b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller// Creates a ray for an Android pixel coordinate given a model view and projection matrix. 1214b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller// Note that the Y coordinate is opposite of GL rendering coordinates. 1215b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool __attribute__((overloadable)) 1216b378af500b36226635b6343b1d5009ee9af44fc1Jim MillermakeRayForPixelAt(Ray* ray, rs_matrix4x4* model, rs_matrix4x4* proj, float x, float y) 1217b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller{ 1218b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rs_matrix4x4 pm = *model; 1219b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsMatrixLoadMultiply(&pm, proj, model); 1220b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (!rsMatrixInverse(&pm)) { 1221b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("ERROR: SINGULAR PM MATRIX", 0); 1222b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller return false; 12235ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 1224b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float width = rsgGetWidth(); 1225b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float height = rsgGetHeight(); 1226b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float winx = 2.0f * x / width - 1.0f; 1227b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float winy = 2.0f * y / height - 1.0f; 1228b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1229b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float4 eye = { 0.0f, 0.0f, 0.0f, 1.0f }; 1230b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float4 at = { winx, winy, 1.0f, 1.0f }; 1231b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1232b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller eye = rsMatrixMultiply(&pm, eye); 1233b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller eye *= 1.0f / eye.w; 12345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1235b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller at = rsMatrixMultiply(&pm, at); 1236b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller at *= 1.0f / at.w; 1237b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1238b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 rayPoint = { eye.x, eye.y, eye.z }; 1239b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 atPoint = { at.x, at.y, at.z }; 1240b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 rayDir = normalize(atPoint - rayPoint); 1241b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (debugCamera) { 1242b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("winx: ", winx); 1243b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("winy: ", winy); 1244b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Ray position (transformed) = ", eye); 1245b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Ray direction (transformed) = ", rayDir); 1246b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } 1247b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller ray->position = rayPoint; 1248b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller ray->direction = rayDir; 12495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return true; 12505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 12515ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 12528fd40311898a9ec759a76f021642f43e617e38c4Jim Shumastatic int intersectDetailTexture(float x, float y, float2 *tapCoordinates) 12538fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma{ 12548fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma for (int id = 0; id < cardCount; id++) { 12558fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (cards[id].detailVisible) { 12568fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma const int x0 = cards[id].detailTexturePosition[0].x; 12578fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma const int y0 = cards[id].detailTexturePosition[0].y; 12588fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma const int x1 = cards[id].detailTexturePosition[1].x; 12598fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma const int y1 = cards[id].detailTexturePosition[1].y; 12608fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (x >= x0 && x <= x1 && y >= y0 && y <= y1) { 12618fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma float2 point = { x - x0, y - y0 }; 12628fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma *tapCoordinates = point; 12638fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma return id; 12648fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma } 12658fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma } 12668fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma } 12678fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma return -1; 12688fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma} 12698fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma 12705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int intersectGeometry(Ray* ray, float *bestTime) 12715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 12725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int hit = -1; 12735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int id = 0; id < cardCount; id++) { 12748fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (cards[id].cardVisible) { 12755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rs_matrix4x4 matrix; 12765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 p[4]; 12775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 12785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Transform card vertices to world space 12795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixLoadIdentity(&matrix); 12807c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma getMatrixForCard(&matrix, id, true); 12815ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int vertex = 0; vertex < 4; vertex++) { 12825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float4 tmp = rsMatrixMultiply(&matrix, cardVertices[vertex]); 12835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (tmp.w != 0.0f) { 12845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller p[vertex].x = tmp.x; 12855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller p[vertex].y = tmp.y; 12865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller p[vertex].z = tmp.z; 12875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller p[vertex] *= 1.0f / tmp.w; 12885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 12895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsDebug("Bad w coord: ", tmp); 12905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 12915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 12925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 12935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Intersect card geometry 12945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (rayTriangleIntersect(ray, p[0], p[1], p[2], bestTime) 12955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller || rayTriangleIntersect(ray, p[2], p[3], p[0], bestTime)) { 12965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller hit = id; 12975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 12985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 12995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return hit; 13015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 13025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 13035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// This method computes the position of all the cards by updating bias based on a 130443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// simple physics model. If the cards are still in motion, returns true. 130543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic bool doPhysics(float dt) 130643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller{ 130743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float minStepTime = 1.0f / 300.0f; // ~5 steps per frame 130843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const int N = (dt > minStepTime) ? (1 + round(dt / minStepTime)) : 1; 130943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller dt /= N; 131043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller for (int i = 0; i < N; i++) { 131143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Force friction - always opposes motion 131243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float Ff = -frictionCoeff * velocity; 131343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 131443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Restoring force to match cards with slots 131543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float theta = startAngle + bias; 131643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float dtheta = 2.0f * M_PI / slotCount; 131743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float position = theta / dtheta; 131843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float fraction = position - floor(position); // fractional position between slots 131943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float x; 132043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (fraction > 0.5f) { 132143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller x = - (1.0f - fraction); 132243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 132343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller x = fraction; 132443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 132543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float Fr = - springConstant * x; 132643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 132743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // compute velocity 132843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float momentum = mass * velocity + (Ff + Fr)*dt; 132943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller velocity = momentum / mass; 133043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias += velocity * dt; 133143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 1332b2c785780ecbe79a5b7ba558b21985f956458c8cJim Shuma return fabs(velocity) > stopVelocity; 133343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} 133443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 133543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic float easeOut(float x) 133643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller{ 133743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return x; 133843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} 133943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 134043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Computes the next value for bias using the current animation (physics or overscroll) 13415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic bool updateNextPosition(int64_t currentTime) 13425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 134343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller static const float biasMin = 1e-4f; // close enough if we're within this margin of result 13445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 134543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float dt = deltaTimeInSeconds(currentTime); 13465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 134743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (dt <= 0.0f) { 134843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (debugRendering) rsDebug("Time delta was <= 0", dt); 134943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return true; 13505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13515ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 135214d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma const float highBias = maximumBias(); 135314d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma const float lowBias = minimumBias(); 135443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bool stillAnimating = false; 135543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (overscroll) { 135614d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma if (bias > highBias) { 135714d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma bias -= 4.0f * dt * easeOut((bias - highBias) * 2.0f); 135814d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma if (fabs(bias - highBias) < biasMin) { 135914d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma bias = highBias; 136043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 136143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller stillAnimating = true; 136243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 136314d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma } else if (bias < lowBias) { 136414d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma bias += 4.0f * dt * easeOut((lowBias - bias) * 2.0f); 136514d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma if (fabs(bias - lowBias) < biasMin) { 136614d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma bias = lowBias; 136743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 136843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller stillAnimating = true; 136943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 137043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 137143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller overscroll = false; 137243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 137343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 137443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller stillAnimating = doPhysics(dt); 137514d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma overscroll = bias > highBias || bias < lowBias; 1376cfe41767a3596a65eef91b6f68286fd0f916a4c7Jim Miller if (overscroll) { 1377cfe41767a3596a65eef91b6f68286fd0f916a4c7Jim Miller velocity = 0.0f; // prevent bouncing due to v > 0 after overscroll animation. 1378cfe41767a3596a65eef91b6f68286fd0f916a4c7Jim Miller } 1379c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma } 138014d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma float newbias = clamp(bias, lowBias - wedgeAngle(OVERSCROLL_SLOTS), 138114d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma highBias + wedgeAngle(OVERSCROLL_SLOTS)); 138243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (newbias != bias) { // we clamped 138343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller velocity = 0.0f; 138443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller overscroll = true; 138543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 138643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias = newbias; 138743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return stillAnimating; 13885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 13895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 13905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Cull cards based on visibility and visibleSlotCount. 13915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// If visibleSlotCount is > 0, then only show those slots and cull the rest. 13925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Otherwise, it should cull based on bounds of geometry. 13935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int cullCards() 13945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 13954fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma // TODO(jshuma): Instead of fully fetching prefetchCardCount cards, make a distinction between 13964fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma // STATE_LOADED and a new STATE_PRELOADING, which will keep the textures loaded but will not 13974fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma // attempt to actually draw them. 13984fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma const int prefetchCardCountPerSide = prefetchCardCount / 2; 13994fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma const float thetaFirst = slotPosition(-prefetchCardCountPerSide); 1400198a060d650bc849ef0f25b597888fac9546803bJack Palevich const float thetaSelected = slotPosition(0); 1401198a060d650bc849ef0f25b597888fac9546803bJack Palevich const float thetaHalfAngle = (thetaSelected - thetaFirst) * 0.5f; 1402198a060d650bc849ef0f25b597888fac9546803bJack Palevich const float thetaSelectedLow = thetaSelected - thetaHalfAngle; 1403198a060d650bc849ef0f25b597888fac9546803bJack Palevich const float thetaSelectedHigh = thetaSelected + thetaHalfAngle; 14044fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma const float thetaLast = slotPosition(visibleSlotCount - 1 + prefetchCardCountPerSide); 14055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 14065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int count = 0; 14075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int i = 0; i < cardCount; i++) { 14085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (visibleSlotCount > 0) { 14095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // If visibleSlotCount is specified, then only show up to visibleSlotCount cards. 14105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float p = cardPosition(i); 141114d2c1ec52bb04b5120c2bfdd1a8811a238573ceJim Shuma if (p >= thetaFirst && p < thetaLast || p <= thetaFirst && p > thetaLast) { 14128fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].cardVisible = true; 14138fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma // cards[i].detailVisible will be set at draw time 14145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller count++; 14155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 14168fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].cardVisible = false; 14178fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].detailVisible = false; 14185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 14205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Cull the rest of the cards using bounding box of geometry. 14215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // TODO 14228fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma cards[i].cardVisible = true; 14238fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma // cards[i].detailVisible will be set at draw time 14245ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller count++; 14255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14275ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return count; 14285ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 14295ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 14305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Request texture/geometry for items that have come into view 14315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// or doesn't have a texture yet. 1432420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerstatic void updateCardResources(int64_t currentTime) 14335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 1434a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller for (int i = cardCount-1; i >= 0; --i) { 14355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int data[1]; 14368fd40311898a9ec759a76f021642f43e617e38c4Jim Shuma if (cards[i].cardVisible) { 143743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (debugTextureLoading) rsDebug("*** Texture stamp: ", (int)cards[i].textureTimeStamp); 14382ba04e061b52c488a154739379501dc833e39f79Jim Miller 14395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // request texture from client if not loaded 14405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[i].textureState == STATE_INVALID) { 14415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller data[0] = i; 14425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bool enqueued = rsSendToClient(CMD_REQUEST_TEXTURE, data, sizeof(data)); 14435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (enqueued) { 14445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].textureState = STATE_LOADING; 14455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 14467cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugTextureLoading) rsDebug("Couldn't send CMD_REQUEST_TEXTURE", 0); 14477cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 14488441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey } else if (cards[i].textureState == STATE_STALE) { 14498441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey data[0] = i; 14508441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey bool enqueued = rsSendToClient(CMD_REQUEST_TEXTURE, data, sizeof(data)); 14518441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey if (enqueued) { 14528441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey cards[i].textureState = STATE_UPDATING; 14538441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey } else { 14548441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey if (debugTextureLoading) rsDebug("Couldn't send CMD_REQUEST_TEXTURE", 0); 14558441b1025afe64748f9e3483baacee92171bbfa3Jeff Sharkey } 14567cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 14577cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // request detail texture from client if not loaded 14587cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (cards[i].detailTextureState == STATE_INVALID) { 14597cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller data[0] = i; 14607cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller bool enqueued = rsSendToClient(CMD_REQUEST_DETAIL_TEXTURE, data, sizeof(data)); 14617cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (enqueued) { 14627cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[i].detailTextureState = STATE_LOADING; 14637cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } else { 14647cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugTextureLoading) rsDebug("Couldn't send CMD_REQUEST_DETAIL_TEXTURE", 0); 14655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14666af401bca5f8854524d128e9df5700035fae1160Jim Shuma } else if (cards[i].detailTextureState == STATE_STALE) { 14676af401bca5f8854524d128e9df5700035fae1160Jim Shuma data[0] = i; 14686af401bca5f8854524d128e9df5700035fae1160Jim Shuma bool enqueued = rsSendToClient(CMD_REQUEST_DETAIL_TEXTURE, data, sizeof(data)); 14696af401bca5f8854524d128e9df5700035fae1160Jim Shuma if (enqueued) { 14706af401bca5f8854524d128e9df5700035fae1160Jim Shuma cards[i].detailTextureState = STATE_UPDATING; 14716af401bca5f8854524d128e9df5700035fae1160Jim Shuma } else { 14726af401bca5f8854524d128e9df5700035fae1160Jim Shuma if (debugTextureLoading) rsDebug("Couldn't send CMD_REQUEST_DETAIL_TEXTURE", 0); 14736af401bca5f8854524d128e9df5700035fae1160Jim Shuma } 14745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // request geometry from client if not loaded 14765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[i].geometryState == STATE_INVALID) { 14775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller data[0] = i; 14785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bool enqueued = rsSendToClient(CMD_REQUEST_GEOMETRY, data, sizeof(data)); 14795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (enqueued) { 14805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].geometryState = STATE_LOADING; 14815ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 14827cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugGeometryLoading) rsDebug("Couldn't send CMD_REQUEST_GEOMETRY", 0); 14835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 14865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // ask the host to remove the texture 1487dce9af330efceae2b8d1d7c25e7e236b4e21719bJack Palevich if (cards[i].textureState != STATE_INVALID) { 14885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller data[0] = i; 14895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bool enqueued = rsSendToClient(CMD_INVALIDATE_TEXTURE, data, sizeof(data)); 14905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (enqueued) { 14915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].textureState = STATE_INVALID; 1492420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller cards[i].textureTimeStamp = currentTime; 14935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 14947cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugTextureLoading) rsDebug("Couldn't send CMD_INVALIDATE_TEXTURE", 0); 14957cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 14967cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 14977cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // ask the host to remove the detail texture 14987cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (cards[i].detailTextureState != STATE_INVALID) { 14997cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller data[0] = i; 15007cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller bool enqueued = rsSendToClient(CMD_INVALIDATE_DETAIL_TEXTURE, data, sizeof(data)); 15017cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (enqueued) { 15027cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[i].detailTextureState = STATE_INVALID; 1503420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller cards[i].detailTextureTimeStamp = currentTime; 15047cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } else { 15057cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugTextureLoading) rsDebug("Can't send CMD_INVALIDATE_DETAIL_TEXTURE", 0); 15065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 15075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 15085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // ask the host to remove the geometry 1509dce9af330efceae2b8d1d7c25e7e236b4e21719bJack Palevich if (cards[i].geometryState != STATE_INVALID) { 15105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller data[0] = i; 15115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bool enqueued = rsSendToClient(CMD_INVALIDATE_GEOMETRY, data, sizeof(data)); 15125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (enqueued) { 15135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].geometryState = STATE_INVALID; 15145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 15157cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugGeometryLoading) rsDebug("Couldn't send CMD_INVALIDATE_GEOMETRY", 0); 15165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 15175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 15185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 15195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 15205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 15215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 15225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Places dots on geometry to visually inspect that objects can be seen by rays. 15235ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// NOTE: the color of the dot is somewhat random, as it depends on texture of previously-rendered 15245ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// card. 15255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic void renderWithRays() 15265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 15275ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller const float w = rsgGetWidth(); 15285ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller const float h = rsgGetHeight(); 15295ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller const int skip = 8; 15305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller color(1.0f, 0.0f, 0.0f, 1.0f); 15315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int j = 0; j < (int) h; j+=skip) { 15325ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float posY = (float) j; 15335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int i = 0; i < (int) w; i+=skip) { 15345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float posX = (float) i; 15355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller Ray ray; 1536b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (makeRayForPixelAt(&ray, &camera, posX, posY)) { 15375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float bestTime = FLT_MAX; 15385ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (intersectGeometry(&ray, &bestTime) != -1) { 15395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgDrawSpriteScreenspace(posX, h - posY - 1, 0.0f, 2.0f, 2.0f); 15405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 15415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 15425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 15435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 15445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 15455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 15465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint root() { 15475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int64_t currentTime = rsUptimeMillis(); 15485ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 15495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgBindProgramVertex(vertexProgram); 15505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgBindProgramRaster(rasterProgram); 1551b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindSampler(singleTextureFragmentProgram, 0, linearClamp); 1552b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindSampler(multiTextureFragmentProgram, 0, linearClamp); 1553b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindSampler(multiTextureFragmentProgram, 1, linearClamp); 15545ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 15558b55d7500c1e5a88c415dae8dcead16b152d7929Jack Palevich updateAllocationVars(cards); 15565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1557a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller rsgBindProgramFragment(singleTextureFragmentProgram); 1558fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller // rsgClearDepth() currently follows the value of glDepthMask(), so it's disabled when 1559fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller // the mask is disabled. We may want to change the following to always draw w/o Z for 1560fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller // the background if we can guarantee the depth buffer will get cleared and 1561fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller // there's a performance advantage. 1562fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller rsgBindProgramStore(forceBlendCardsWithZ ? programStoreNoAlphaZ : programStoreNoAlphaNoZ); 15639afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller drawBackground(); 15645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 15655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller updateCameraMatrix(rsgGetWidth(), rsgGetHeight()); 15665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 156743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bool stillAnimating = (currentTime - touchTime) <= ANIMATION_SCALE_TIME; 156843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 156943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (!isDragging && animating) { 157043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller stillAnimating = updateNextPosition(currentTime); 157143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 157243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 157343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller lastTime = currentTime; 15745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 15755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cullCards(); 15765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1577420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller updateCardResources(currentTime); 15785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1579bfc5ce2da9e0d8d0ec2535c465624574d98418d7Jim Shuma // Draw cards opaque only if requested, and always draw detail textures with blending. 1580fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller if (forceBlendCardsWithZ) { 1581fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller rsgBindProgramStore(programStoreAlphaZ); 1582bfc5ce2da9e0d8d0ec2535c465624574d98418d7Jim Shuma } else { 1583fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller rsgBindProgramStore(programStoreAlphaNoZ); 1584bfc5ce2da9e0d8d0ec2535c465624574d98418d7Jim Shuma } 1585bf39450b962d91ec78af53db39826d55ddb39902Jim Shuma stillAnimating |= drawCards(currentTime); 1586fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller rsgBindProgramStore(programStoreAlphaNoZ); 1587bf39450b962d91ec78af53db39826d55ddb39902Jim Shuma stillAnimating |= drawDetails(currentTime); 15885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 158943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (stillAnimating != animating) { 159043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (stillAnimating) { 159143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // we just started animating 159243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller sendAnimationStarted(); 159343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 159443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // we were animating but stopped animating just now 159543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller sendAnimationFinished(); 159643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 159743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller animating = stillAnimating; 159843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 159943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 160043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (debugRays) { 16015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller renderWithRays(); 16025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 16035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 16045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller //rsSendToClient(CMD_PING); 16055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 160643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return animating ? 1 : 0; 16075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 1608