2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
21 // refresh.h -- public interface to refresh functions
23 #define MAXCLIPPLANES 11
25 #define TOP_RANGE 16 // soldier uniform colors
26 #define BOTTOM_RANGE 96
28 //=============================================================================
30 typedef struct efrag_s
33 struct efrag_s *leafnext;
34 struct entity_s *entity;
35 struct efrag_s *entnext;
39 typedef struct entity_s
41 qboolean forcelink; // model changed
45 entity_state_t baseline; // to fill in defaults in updates
46 entity_state_t deltabaseline; // LordHavoc: previous frame
48 double msgtime; // time of last update
49 vec3_t msg_origins[2]; // last two updates (0 is newest)
51 vec3_t msg_angles[2]; // last two updates (0 is newest)
54 // LordHavoc: added support for alpha transprency and other effects
55 float alpha; // opacity (alpha) of the model
56 float colormod[3]; // color tint for model
57 float scale; // size the model is shown
58 int draw_lastpose, draw_pose; // for interpolation
59 float draw_lerpstart; // for interpolation
60 struct model_s *draw_lastmodel; // for interpolation
62 float glowsize; // how big the glow is
63 byte glowcolor; // color of glow and particle trail (paletted)
64 byte glowtrail; // leaves a trail of particles
65 byte isviewmodel; // attached to view
67 struct model_s *model; // NULL = no model
68 struct efrag_s *efrag; // linked list of efrags
70 float syncbase; // for client-side animations
73 int effects; // light, particals, etc
74 int skinnum; // for Alias models
75 int visframe; // last frame this entity was
76 // found in an active leaf
78 int dlightframe; // dynamic lighting
81 // FIXME: could turn these into a union
83 struct mnode_s *topnode; // for bmodels, first world node
84 // that splits bmodel, or NULL if
88 // !!! if this is changed, it must be changed in asm_draw.h too !!!
91 vrect_t vrect; // subwindow in video for refresh
92 // FIXME: not need vrect next field here?
93 vrect_t aliasvrect; // scaled Alias version
94 int vrectright, vrectbottom; // right & bottom screen coords
95 int aliasvrectright, aliasvrectbottom; // scaled Alias versions
96 float vrectrightedge; // rightmost right edge we care about,
97 // for use in edge list
98 float fvrectx, fvrecty; // for floating-point compares
99 float fvrectx_adj, fvrecty_adj; // left and top edges, for clamping
100 int vrect_x_adj_shift20; // (vrect.x + 0.5 - epsilon) << 20
101 int vrectright_adj_shift20; // (vrectright + 0.5 - epsilon) << 20
102 float fvrectright_adj, fvrectbottom_adj;
103 // right and bottom edges, for clamping
104 float fvrectright; // rightmost edge, for Alias clamping
105 float fvrectbottom; // bottommost edge, for Alias clamping
106 float horizontalFieldOfView; // at Z = 1.0, this many X is visible
108 float xOrigin; // should probably allways be 0.5
109 float yOrigin; // between be around 0.3 to 0.5
123 extern int reinit_surfcache;
126 extern refdef_t r_refdef;
127 extern vec3_t r_origin, vpn, vright, vup;
129 extern struct texture_s *r_notexture_mip;
131 // LordHavoc: generic image loader
132 byte* loadimagepixels (char* filename, qboolean complain, int matchwidth, int matchheight);
133 int loadtextureimage (int texnum, char* filename, qboolean complain, int matchwidth, int matchheight);
136 void R_InitTextures (void);
137 void R_InitEfrags (void);
138 void R_RenderView (void); // must set r_refdef first
139 void R_ViewChanged (vrect_t *pvrect, int lineadj, float aspect);
140 // called whenever r_refdef or vid change
141 // LordHavoc: changed this for sake of GLQuake
142 void R_InitSky (byte *src, int bytesperpixel); // called at level load
143 //void R_InitSky (struct texture_s *mt); // called at level load
145 void R_AddEfrags (entity_t *ent);
146 void R_RemoveEfrags (entity_t *ent);
148 void R_NewMap (void);
151 void R_ParseParticleEffect (void);
152 void R_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count);
153 void R_RocketTrail (vec3_t start, vec3_t end, int type, entity_t *ent);
154 void R_RocketTrail2 (vec3_t start, vec3_t end, int type, entity_t *ent);
155 void R_SparkShower (vec3_t org, vec3_t dir, int count, int type);
157 void R_EntityParticles (entity_t *ent);
158 void R_BlobExplosion (vec3_t org);
159 void R_ParticleExplosion (vec3_t org, int smoke);
160 void R_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength);
161 void R_LavaSplash (vec3_t org);
162 void R_TeleportSplash (vec3_t org);
164 void R_PushDlights (void);
168 // surface cache related
170 extern int reinit_surfcache; // if 1, surface cache is currently empty and
171 extern qboolean r_cache_thrash; // set if thrashing the surface cache
173 int D_SurfaceCacheForRes (int width, int height);
174 void D_FlushCaches (void);
175 void D_DeleteSurfaceCache (void);
176 void D_InitCaches (void *buffer, int size);
177 void R_SetVrect (vrect_t *pvrect, vrect_t *pvrectin, int lineadj);