1 /* 2 Copyright (C) 1996-1997 Id Software, Inc. 3 4 This program is free software; you can redistribute it and/or 5 modify it under the terms of the GNU General Public License 6 as published by the Free Software Foundation; either version 2 7 of the License, or (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 12 13 See the GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, write to the Free Software 17 Foundation, 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 MAXCLIPPLANES 11 24 25 #define TOP_RANGE 16 // soldier uniform colors 26 #define BOTTOM_RANGE 96 27 28 //============================================================================= 29 30 typedef struct efrag_s 31 { 32 struct mleaf_s *leaf; 33 struct efrag_s *leafnext; 34 struct entity_s *entity; 35 struct efrag_s *entnext; 36 } efrag_t; 37 38 39 typedef struct entity_s 40 { 41 qboolean forcelink; // model changed 42 43 int update_type; 44 45 entity_state_t baseline; // to fill in defaults in updates 46 47 double msgtime; // time of last update 48 vec3_t msg_origins[2]; // last two updates (0 is newest) 49 vec3_t origin; 50 vec3_t msg_angles[2]; // last two updates (0 is newest) 51 vec3_t angles; 52 struct model_s *model; // NULL = no model 53 struct efrag_s *efrag; // linked list of efrags 54 int frame; 55 float syncbase; // for client-side animations 56 byte *colormap; 57 int effects; // light, particals, etc 58 int skinnum; // for Alias models 59 int visframe; // last frame this entity was 60 // found in an active leaf 61 62 int dlightframe; // dynamic lighting 63 int dlightbits; 64 65 // FIXME: could turn these into a union 66 int trivial_accept; 67 struct mnode_s *topnode; // for bmodels, first world node 68 // that splits bmodel, or NULL if 69 // not split 70 } entity_t; 71 72 // !!! if this is changed, it must be changed in asm_draw.h too !!! 73 typedef struct 74 { 75 vrect_t vrect; // subwindow in video for refresh 76 // FIXME: not need vrect next field here? 77 vrect_t aliasvrect; // scaled Alias version 78 int vrectright, vrectbottom; // right & bottom screen coords 79 int aliasvrectright, aliasvrectbottom; // scaled Alias versions 80 float vrectrightedge; // rightmost right edge we care about, 81 // for use in edge list 82 float fvrectx, fvrecty; // for floating-point compares 83 float fvrectx_adj, fvrecty_adj; // left and top edges, for clamping 84 int vrect_x_adj_shift20; // (vrect.x + 0.5 - epsilon) << 20 85 int vrectright_adj_shift20; // (vrectright + 0.5 - epsilon) << 20 86 float fvrectright_adj, fvrectbottom_adj; 87 // right and bottom edges, for clamping 88 float fvrectright; // rightmost edge, for Alias clamping 89 float fvrectbottom; // bottommost edge, for Alias clamping 90 float horizontalFieldOfView; // at Z = 1.0, this many X is visible 91 // 2.0 = 90 degrees 92 float xOrigin; // should probably allways be 0.5 93 float yOrigin; // between be around 0.3 to 0.5 94 95 vec3_t vieworg; 96 vec3_t viewangles; 97 98 float fov_x, fov_y; 99 100 int ambientlight; 101 } refdef_t; 102 103 104 // 105 // refresh 106 // 107 extern int reinit_surfcache; 108 109 110 extern refdef_t r_refdef; 111 extern vec3_t r_origin, vpn, vright, vup; 112 113 extern struct texture_s *r_notexture_mip; 114 115 116 void R_Init (void); 117 void R_InitTextures (void); 118 void R_InitEfrags (void); 119 void R_RenderView (void); // must set r_refdef first 120 void R_ViewChanged (vrect_t *pvrect, int lineadj, float aspect); 121 // called whenever r_refdef or vid change 122 void R_InitSky (struct texture_s *mt); // called at level load 123 124 void R_AddEfrags (entity_t *ent); 125 void R_RemoveEfrags (entity_t *ent); 126 127 void R_NewMap (void); 128 129 130 void R_ParseParticleEffect (void); 131 void R_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count); 132 void R_RocketTrail (vec3_t start, vec3_t end, int type); 133 134 #ifdef QUAKE2 135 void R_DarkFieldParticles (entity_t *ent); 136 #endif 137 void R_EntityParticles (entity_t *ent); 138 void R_BlobExplosion (vec3_t org); 139 void R_ParticleExplosion (vec3_t org); 140 void R_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength); 141 void R_LavaSplash (vec3_t org); 142 void R_TeleportSplash (vec3_t org); 143 144 void R_PushDlights (void); 145 146 147 // 148 // surface cache related 149 // 150 extern int reinit_surfcache; // if 1, surface cache is currently empty and 151 extern qboolean r_cache_thrash; // set if thrashing the surface cache 152 153 int D_SurfaceCacheForRes (int width, int height); 154 void D_FlushCaches (void); 155 void D_DeleteSurfaceCache (void); 156 void D_InitCaches (void *buffer, int size); 157 void R_SetVrect (vrect_t *pvrect, vrect_t *pvrectin, int lineadj); 158 159