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-rw-r--r--apps/plugins/sdl/progs/quake/render.h158
1 files changed, 158 insertions, 0 deletions
diff --git a/apps/plugins/sdl/progs/quake/render.h b/apps/plugins/sdl/progs/quake/render.h
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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 MAXCLIPPLANES 11
24
25#define TOP_RANGE 16 // soldier uniform colors
26#define BOTTOM_RANGE 96
27
28//=============================================================================
29
30typedef 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
39typedef 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 !!!
73typedef 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//
107extern int reinit_surfcache;
108
109
110extern refdef_t r_refdef;
111extern vec3_t r_origin, vpn, vright, vup;
112
113extern struct texture_s *r_notexture_mip;
114
115
116void R_Init (void);
117void R_InitTextures (void);
118void R_InitEfrags (void);
119void R_RenderView (void); // must set r_refdef first
120void R_ViewChanged (vrect_t *pvrect, int lineadj, float aspect);
121 // called whenever r_refdef or vid change
122void R_InitSky (struct texture_s *mt); // called at level load
123
124void R_AddEfrags (entity_t *ent);
125void R_RemoveEfrags (entity_t *ent);
126
127void R_NewMap (void);
128
129
130void R_ParseParticleEffect (void);
131void R_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count);
132void R_RocketTrail (vec3_t start, vec3_t end, int type);
133
134#ifdef QUAKE2
135void R_DarkFieldParticles (entity_t *ent);
136#endif
137void R_EntityParticles (entity_t *ent);
138void R_BlobExplosion (vec3_t org);
139void R_ParticleExplosion (vec3_t org);
140void R_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength);
141void R_LavaSplash (vec3_t org);
142void R_TeleportSplash (vec3_t org);
143
144void R_PushDlights (void);
145
146
147//
148// surface cache related
149//
150extern int reinit_surfcache; // if 1, surface cache is currently empty and
151extern qboolean r_cache_thrash; // set if thrashing the surface cache
152
153int D_SurfaceCacheForRes (int width, int height);
154void D_FlushCaches (void);
155void D_DeleteSurfaceCache (void);
156void D_InitCaches (void *buffer, int size);
157void R_SetVrect (vrect_t *pvrect, vrect_t *pvrectin, int lineadj);
158
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