1/* 2Copyright (C) 1996-1997 Id Software, Inc. 3 4This program is free software; you can redistribute it and/or 5modify it under the terms of the GNU General Public License 6as published by the Free Software Foundation; either version 2 7of the License, or (at your option) any later version. 8 9This program is distributed in the hope that it will be useful, 10but WITHOUT ANY WARRANTY; without even the implied warranty of 11MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 12 13See the GNU General Public License for more details. 14 15You should have received a copy of the GNU General Public License 16along with this program; if not, write to the Free Software 17Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 19*/ 20 21// refresh.h -- public interface to refresh functions 22 23#define TOP_RANGE 16 // soldier uniform colors 24#define BOTTOM_RANGE 96 25 26//============================================================================= 27 28typedef struct efrag_s 29{ 30 struct mleaf_s *leaf; 31 struct efrag_s *leafnext; 32 struct entity_s *entity; 33 struct efrag_s *entnext; 34} efrag_t; 35 36 37typedef struct entity_s 38{ 39 int keynum; // for matching entities in different frames 40 vec3_t origin; 41 vec3_t angles; 42 struct model_s *model; // NULL = no model 43 int frame; 44 byte *colormap; 45 int skinnum; // for Alias models 46 47 struct player_info_s *scoreboard; // identify player 48 49 float syncbase; 50 51 struct efrag_s *efrag; // linked list of efrags (FIXME) 52 int visframe; // last frame this entity was 53 // found in an active leaf 54 // only used for static objects 55 56 int dlightframe; // dynamic lighting 57 int dlightbits; 58 59// FIXME: could turn these into a union 60 int trivial_accept; 61 struct mnode_s *topnode; // for bmodels, first world node 62 // that splits bmodel, or NULL if 63 // not split 64} entity_t; 65 66// !!! if this is changed, it must be changed in asm_draw.h too !!! 67typedef struct 68{ 69 vrect_t vrect; // subwindow in video for refresh 70 // FIXME: not need vrect next field here? 71 vrect_t aliasvrect; // scaled Alias version 72 int vrectright, vrectbottom; // right & bottom screen coords 73 int aliasvrectright, aliasvrectbottom; // scaled Alias versions 74 float vrectrightedge; // rightmost right edge we care about, 75 // for use in edge list 76 float fvrectx, fvrecty; // for floating-point compares 77 float fvrectx_adj, fvrecty_adj; // left and top edges, for clamping 78 int vrect_x_adj_shift20; // (vrect.x + 0.5 - epsilon) << 20 79 int vrectright_adj_shift20; // (vrectright + 0.5 - epsilon) << 20 80 float fvrectright_adj, fvrectbottom_adj; 81 // right and bottom edges, for clamping 82 float fvrectright; // rightmost edge, for Alias clamping 83 float fvrectbottom; // bottommost edge, for Alias clamping 84 float horizontalFieldOfView; // at Z = 1.0, this many X is visible 85 // 2.0 = 90 degrees 86 float xOrigin; // should probably allways be 0.5 87 float yOrigin; // between be around 0.3 to 0.5 88 89 vec3_t vieworg; 90 vec3_t viewangles; 91 92 float fov_x, fov_y; 93 94 int ambientlight; 95} refdef_t; 96 97 98// 99// refresh 100// 101extern int reinit_surfcache; 102 103 104extern refdef_t r_refdef; 105extern vec3_t r_origin, vpn, vright, vup; 106 107extern struct texture_s *r_notexture_mip; 108 109extern entity_t r_worldentity; 110 111void R_Init (void); 112void R_InitTextures (void); 113void R_InitEfrags (void); 114void R_RenderView (void); // must set r_refdef first 115void R_ViewChanged (vrect_t *pvrect, int lineadj, float aspect); 116 // called whenever r_refdef or vid change 117void R_InitSky (struct texture_s *mt); // called at level load 118 119void R_AddEfrags (entity_t *ent); 120void R_RemoveEfrags (entity_t *ent); 121 122void R_NewMap (void); 123 124 125void R_ParseParticleEffect (void); 126void R_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count); 127void R_RocketTrail (vec3_t start, vec3_t end, int type); 128 129void R_EntityParticles (entity_t *ent); 130void R_BlobExplosion (vec3_t org); 131void R_ParticleExplosion (vec3_t org); 132void R_LavaSplash (vec3_t org); 133void R_TeleportSplash (vec3_t org); 134 135void R_PushDlights (void); 136void R_InitParticles (void); 137void R_ClearParticles (void); 138void R_DrawParticles (void); 139void R_DrawWaterSurfaces (void); 140 141 142// 143// surface cache related 144// 145extern int reinit_surfcache; // if 1, surface cache is currently empty and 146extern qboolean r_cache_thrash; // set if thrashing the surface cache 147 148int D_SurfaceCacheForRes (int width, int height); 149void D_FlushCaches (void); 150void D_DeleteSurfaceCache (void); 151void D_InitCaches (void *buffer, int size); 152void R_SetVrect (vrect_t *pvrect, vrect_t *pvrectin, int lineadj); 153 154