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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// r_local.h -- private refresh defs
21
22#ifndef GLQUAKE
23#include "r_shared.h"
24
25#define ALIAS_BASE_SIZE_RATIO (1.0 / 11.0)
26 // normalizing factor so player model works out to about
27 // 1 pixel per triangle
28
29#define BMODEL_FULLY_CLIPPED 0x10 // value returned by R_BmodelCheckBBox ()
30 // if bbox is trivially rejected
31
32//===========================================================================
33// viewmodel lighting
34
35typedef struct {
36 int ambientlight;
37 int shadelight;
38 float *plightvec;
39} alight_t;
40
41//===========================================================================
42// clipped bmodel edges
43
44typedef struct bedge_s
45{
46 mvertex_t *v[2];
47 struct bedge_s *pnext;
48} bedge_t;
49
50typedef struct {
51 float fv[3]; // viewspace x, y
52} auxvert_t;
53
54//===========================================================================
55
56extern cvar_t r_draworder;
57extern cvar_t r_speeds;
58extern cvar_t r_timegraph;
59extern cvar_t r_graphheight;
60extern cvar_t r_clearcolor;
61extern cvar_t r_waterwarp;
62extern cvar_t r_fullbright;
63extern cvar_t r_drawentities;
64extern cvar_t r_aliasstats;
65extern cvar_t r_dspeeds;
66extern cvar_t r_drawflat;
67extern cvar_t r_ambient;
68extern cvar_t r_reportsurfout;
69extern cvar_t r_maxsurfs;
70extern cvar_t r_numsurfs;
71extern cvar_t r_reportedgeout;
72extern cvar_t r_maxedges;
73extern cvar_t r_numedges;
74
75#define XCENTERING (1.0 / 2.0)
76#define YCENTERING (1.0 / 2.0)
77
78#define CLIP_EPSILON 0.001
79
80#define BACKFACE_EPSILON 0.01
81
82//===========================================================================
83
84#define DIST_NOT_SET 98765
85
86// !!! if this is changed, it must be changed in asm_draw.h too !!!
87typedef struct clipplane_s
88{
89 vec3_t normal;
90 float dist;
91 struct clipplane_s *next;
92 byte leftedge;
93 byte rightedge;
94 byte reserved[2];
95} clipplane_t;
96
97extern clipplane_t view_clipplanes[4];
98
99//=============================================================================
100
101void R_RenderWorld (void);
102
103//=============================================================================
104
105extern mplane_t screenedge[4];
106
107extern vec3_t r_origin;
108
109extern vec3_t r_entorigin;
110
111extern float screenAspect;
112extern float verticalFieldOfView;
113extern float xOrigin, yOrigin;
114
115extern int r_visframecount;
116
117//=============================================================================
118
119extern int vstartscan;
120
121
122void R_ClearPolyList (void);
123void R_DrawPolyList (void);
124
125//
126// current entity info
127//
128extern qboolean insubmodel;
129extern vec3_t r_worldmodelorg;
130
131
132void R_DrawSprite (void);
133void R_RenderFace (msurface_t *fa, int clipflags);
134void R_RenderPoly (msurface_t *fa, int clipflags);
135void R_RenderBmodelFace (bedge_t *pedges, msurface_t *psurf);
136void R_TransformPlane (mplane_t *p, float *normal, float *dist);
137void R_TransformFrustum (void);
138void R_SetSkyFrame (void);
139void R_DrawSurfaceBlock16 (void);
140void R_DrawSurfaceBlock8 (void);
141texture_t *R_TextureAnimation (texture_t *base);
142
143#if id386
144
145void R_DrawSurfaceBlock8_mip0 (void);
146void R_DrawSurfaceBlock8_mip1 (void);
147void R_DrawSurfaceBlock8_mip2 (void);
148void R_DrawSurfaceBlock8_mip3 (void);
149
150#endif
151
152void R_GenSkyTile (void *pdest);
153void R_GenSkyTile16 (void *pdest);
154void R_Surf8Patch (void);
155void R_Surf16Patch (void);
156void R_DrawSubmodelPolygons (model_t *pmodel, int clipflags);
157void R_DrawSolidClippedSubmodelPolygons (model_t *pmodel);
158
159void R_AddPolygonEdges (emitpoint_t *pverts, int numverts, int miplevel);
160surf_t *R_GetSurf (void);
161void R_AliasDrawModel (alight_t *plighting);
162void R_BeginEdgeFrame (void);
163void R_ScanEdges (void);
164void D_DrawSurfaces (void);
165void R_InsertNewEdges (edge_t *edgestoadd, edge_t *edgelist);
166void R_StepActiveU (edge_t *pedge);
167void R_RemoveEdges (edge_t *pedge);
168
169extern void R_Surf8Start (void);
170extern void R_Surf8End (void);
171extern void R_Surf16Start (void);
172extern void R_Surf16End (void);
173extern void R_EdgeCodeStart (void);
174extern void R_EdgeCodeEnd (void);
175
176extern void R_RotateBmodel (void);
177
178extern int c_faceclip;
179extern int r_polycount;
180extern int r_wholepolycount;
181
182extern model_t *cl_worldmodel;
183
184extern int *pfrustum_indexes[4];
185
186// !!! if this is changed, it must be changed in asm_draw.h too !!!
187#define NEAR_CLIP 0.01
188
189extern int ubasestep, errorterm, erroradjustup, erroradjustdown;
190extern int vstartscan;
191
192extern fixed16_t sadjust, tadjust;
193extern fixed16_t bbextents, bbextentt;
194
195#define MAXBVERTINDEXES 1000 // new clipped vertices when clipping bmodels
196 // to the world BSP
197extern mvertex_t *r_ptverts, *r_ptvertsmax;
198
199extern vec3_t sbaseaxis[3], tbaseaxis[3];
200extern float entity_rotation[3][3];
201
202extern int reinit_surfcache;
203
204extern int r_currentkey;
205extern int r_currentbkey;
206
207typedef struct btofpoly_s {
208 int clipflags;
209 msurface_t *psurf;
210} btofpoly_t;
211
212#define MAX_BTOFPOLYS 5000 // FIXME: tune this
213
214extern int numbtofpolys;
215extern btofpoly_t *pbtofpolys;
216
217void R_InitTurb (void);
218void R_ZDrawSubmodelPolys (model_t *clmodel);
219
220//=========================================================
221// Alias models
222//=========================================================
223
224#define MAXALIASVERTS 2000 // TODO: tune this
225#define ALIAS_Z_CLIP_PLANE 5
226
227extern int numverts;
228extern int a_skinwidth;
229extern mtriangle_t *ptriangles;
230extern int numtriangles;
231extern aliashdr_t *paliashdr;
232extern mdl_t *pmdl;
233extern float leftclip, topclip, rightclip, bottomclip;
234extern int r_acliptype;
235extern finalvert_t *pfinalverts;
236extern auxvert_t *pauxverts;
237
238qboolean R_AliasCheckBBox (void);
239
240//=========================================================
241// turbulence stuff
242
243#define AMP 8*0x10000
244#define AMP2 3
245#define SPEED 20
246
247//=========================================================
248// particle stuff
249
250void R_DrawParticles (void);
251void R_InitParticles (void);
252void R_ClearParticles (void);
253void R_ReadPointFile_f (void);
254void R_SurfacePatch (void);
255
256extern int r_amodels_drawn;
257extern edge_t *auxedges;
258extern int r_numallocatededges;
259extern edge_t *r_edges, *edge_p, *edge_max;
260
261extern edge_t *newedges[MAXHEIGHT];
262extern edge_t *removeedges[MAXHEIGHT];
263
264extern int screenwidth;
265
266// FIXME: make stack vars when debugging done
267extern edge_t edge_head;
268extern edge_t edge_tail;
269extern edge_t edge_aftertail;
270extern int r_bmodelactive;
271extern vrect_t *pconupdate;
272
273extern float aliasxscale, aliasyscale, aliasxcenter, aliasycenter;
274extern float r_aliastransition, r_resfudge;
275
276extern int r_outofsurfaces;
277extern int r_outofedges;
278
279extern mvertex_t *r_pcurrentvertbase;
280extern int r_maxvalidedgeoffset;
281
282void R_AliasClipTriangle (mtriangle_t *ptri);
283
284extern float r_time1;
285extern float dp_time1, dp_time2, db_time1, db_time2, rw_time1, rw_time2;
286extern float se_time1, se_time2, de_time1, de_time2, dv_time1, dv_time2;
287extern int r_frustum_indexes[4*6];
288extern int r_maxsurfsseen, r_maxedgesseen, r_cnumsurfs;
289extern qboolean r_surfsonstack;
290extern cshift_t cshift_water;
291extern qboolean r_dowarpold, r_viewchanged;
292
293extern mleaf_t *r_viewleaf, *r_oldviewleaf;
294
295extern vec3_t r_emins, r_emaxs;
296extern mnode_t *r_pefragtopnode;
297extern int r_clipflags;
298extern int r_dlightframecount;
299extern qboolean r_fov_greater_than_90;
300
301void R_StoreEfrags (efrag_t **ppefrag);
302void R_TimeRefresh_f (void);
303void R_TimeGraph (void);
304void R_PrintAliasStats (void);
305void R_PrintTimes (void);
306void R_PrintDSpeeds (void);
307void R_AnimateLight (void);
308int R_LightPoint (vec3_t p);
309void R_SetupFrame (void);
310void R_cshift_f (void);
311void R_EmitEdge (mvertex_t *pv0, mvertex_t *pv1);
312//void R_ClipEdge (mvertex_t *pv0, mvertex_t *pv1, clipplane_t *clip);
313void R_SplitEntityOnNode2 (mnode_t *node);
314void R_MarkLights (dlight_t *light, int bit, mnode_t *node);
315
316#endif \ No newline at end of file
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