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1.1 root 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 TOP_RANGE 16 // soldier uniform colors
24: #define BOTTOM_RANGE 96
25:
26: //=============================================================================
27:
28: typedef 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:
37: typedef 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 !!!
67: typedef 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: //
101: extern int reinit_surfcache;
102:
103:
104: extern refdef_t r_refdef;
105: extern vec3_t r_origin, vpn, vright, vup;
106:
107: extern struct texture_s *r_notexture_mip;
108:
109: extern entity_t r_worldentity;
110:
111: void R_Init (void);
112: void R_InitTextures (void);
113: void R_InitEfrags (void);
114: void R_RenderView (void); // must set r_refdef first
115: void R_ViewChanged (vrect_t *pvrect, int lineadj, float aspect);
116: // called whenever r_refdef or vid change
117: void R_InitSky (struct texture_s *mt); // called at level load
118:
119: void R_AddEfrags (entity_t *ent);
120: void R_RemoveEfrags (entity_t *ent);
121:
122: void R_NewMap (void);
123:
124:
125: void R_ParseParticleEffect (void);
126: void R_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count);
127: void R_RocketTrail (vec3_t start, vec3_t end, int type);
128:
129: void R_EntityParticles (entity_t *ent);
130: void R_BlobExplosion (vec3_t org);
131: void R_ParticleExplosion (vec3_t org);
132: void R_LavaSplash (vec3_t org);
133: void R_TeleportSplash (vec3_t org);
134:
135: void R_PushDlights (void);
136: void R_InitParticles (void);
137: void R_ClearParticles (void);
138: void R_DrawParticles (void);
139: void R_DrawWaterSurfaces (void);
140:
141:
142: //
143: // surface cache related
144: //
145: extern int reinit_surfcache; // if 1, surface cache is currently empty and
146: extern qboolean r_cache_thrash; // set if thrashing the surface cache
147:
148: int D_SurfaceCacheForRes (int width, int height);
149: void D_FlushCaches (void);
150: void D_DeleteSurfaceCache (void);
151: void D_InitCaches (void *buffer, int size);
152: void R_SetVrect (vrect_t *pvrect, vrect_t *pvrectin, int lineadj);
153:
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