316 lines
8.5 KiB
C
316 lines
8.5 KiB
C
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/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// r_local.h -- private refresh defs
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#ifndef GLQUAKE
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#include "r_shared.h"
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#define ALIAS_BASE_SIZE_RATIO (1.0 / 11.0)
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// normalizing factor so player model works out to about
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// 1 pixel per triangle
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#define BMODEL_FULLY_CLIPPED 0x10 // value returned by R_BmodelCheckBBox ()
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// if bbox is trivially rejected
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//===========================================================================
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// viewmodel lighting
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typedef struct {
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int ambientlight;
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int shadelight;
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float *plightvec;
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} alight_t;
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//===========================================================================
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// clipped bmodel edges
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typedef struct bedge_s
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{
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mvertex_t *v[2];
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struct bedge_s *pnext;
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} bedge_t;
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typedef struct {
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float fv[3]; // viewspace x, y
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} auxvert_t;
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//===========================================================================
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extern cvar_t r_draworder;
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extern cvar_t r_speeds;
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extern cvar_t r_timegraph;
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extern cvar_t r_graphheight;
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extern cvar_t r_clearcolor;
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extern cvar_t r_waterwarp;
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extern cvar_t r_fullbright;
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extern cvar_t r_drawentities;
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extern cvar_t r_aliasstats;
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extern cvar_t r_dspeeds;
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extern cvar_t r_drawflat;
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extern cvar_t r_ambient;
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extern cvar_t r_reportsurfout;
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extern cvar_t r_maxsurfs;
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extern cvar_t r_numsurfs;
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extern cvar_t r_reportedgeout;
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extern cvar_t r_maxedges;
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extern cvar_t r_numedges;
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#define XCENTERING (1.0 / 2.0)
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#define YCENTERING (1.0 / 2.0)
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#define CLIP_EPSILON 0.001
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#define BACKFACE_EPSILON 0.01
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//===========================================================================
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#define DIST_NOT_SET 98765
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// !!! if this is changed, it must be changed in asm_draw.h too !!!
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typedef struct clipplane_s
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{
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vec3_t normal;
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float dist;
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struct clipplane_s *next;
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byte leftedge;
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byte rightedge;
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byte reserved[2];
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} clipplane_t;
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extern clipplane_t view_clipplanes[4];
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//=============================================================================
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void R_RenderWorld (void);
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//=============================================================================
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extern mplane_t screenedge[4];
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extern vec3_t r_origin;
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extern vec3_t r_entorigin;
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extern float screenAspect;
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extern float verticalFieldOfView;
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extern float xOrigin, yOrigin;
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extern int r_visframecount;
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//=============================================================================
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extern int vstartscan;
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void R_ClearPolyList (void);
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void R_DrawPolyList (void);
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//
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// current entity info
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//
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extern qboolean insubmodel;
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extern vec3_t r_worldmodelorg;
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void R_DrawSprite (void);
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void R_RenderFace (msurface_t *fa, int clipflags);
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void R_RenderPoly (msurface_t *fa, int clipflags);
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void R_RenderBmodelFace (bedge_t *pedges, msurface_t *psurf);
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void R_TransformPlane (mplane_t *p, float *normal, float *dist);
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void R_TransformFrustum (void);
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void R_SetSkyFrame (void);
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void R_DrawSurfaceBlock16 (void);
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void R_DrawSurfaceBlock8 (void);
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texture_t *R_TextureAnimation (texture_t *base);
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#if id386
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void R_DrawSurfaceBlock8_mip0 (void);
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void R_DrawSurfaceBlock8_mip1 (void);
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void R_DrawSurfaceBlock8_mip2 (void);
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void R_DrawSurfaceBlock8_mip3 (void);
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#endif
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void R_GenSkyTile (void *pdest);
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void R_GenSkyTile16 (void *pdest);
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void R_Surf8Patch (void);
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void R_Surf16Patch (void);
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void R_DrawSubmodelPolygons (model_t *pmodel, int clipflags);
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void R_DrawSolidClippedSubmodelPolygons (model_t *pmodel);
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void R_AddPolygonEdges (emitpoint_t *pverts, int numverts, int miplevel);
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surf_t *R_GetSurf (void);
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void R_AliasDrawModel (alight_t *plighting);
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void R_BeginEdgeFrame (void);
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void R_ScanEdges (void);
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void D_DrawSurfaces (void);
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void R_InsertNewEdges (edge_t *edgestoadd, edge_t *edgelist);
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void R_StepActiveU (edge_t *pedge);
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void R_RemoveEdges (edge_t *pedge);
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extern void R_Surf8Start (void);
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extern void R_Surf8End (void);
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extern void R_Surf16Start (void);
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extern void R_Surf16End (void);
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extern void R_EdgeCodeStart (void);
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extern void R_EdgeCodeEnd (void);
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extern void R_RotateBmodel (void);
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extern int c_faceclip;
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extern int r_polycount;
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extern int r_wholepolycount;
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extern model_t *cl_worldmodel;
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extern int *pfrustum_indexes[4];
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// !!! if this is changed, it must be changed in asm_draw.h too !!!
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#define NEAR_CLIP 0.01
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extern int ubasestep, errorterm, erroradjustup, erroradjustdown;
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extern int vstartscan;
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extern fixed16_t sadjust, tadjust;
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extern fixed16_t bbextents, bbextentt;
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#define MAXBVERTINDEXES 1000 // new clipped vertices when clipping bmodels
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// to the world BSP
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extern mvertex_t *r_ptverts, *r_ptvertsmax;
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extern vec3_t sbaseaxis[3], tbaseaxis[3];
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extern float entity_rotation[3][3];
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extern int reinit_surfcache;
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extern int r_currentkey;
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extern int r_currentbkey;
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typedef struct btofpoly_s {
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int clipflags;
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msurface_t *psurf;
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} btofpoly_t;
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#define MAX_BTOFPOLYS 5000 // FIXME: tune this
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extern int numbtofpolys;
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extern btofpoly_t *pbtofpolys;
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void R_InitTurb (void);
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void R_ZDrawSubmodelPolys (model_t *clmodel);
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//=========================================================
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// Alias models
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//=========================================================
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#define MAXALIASVERTS 2000 // TODO: tune this
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#define ALIAS_Z_CLIP_PLANE 5
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extern int numverts;
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extern int a_skinwidth;
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extern mtriangle_t *ptriangles;
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extern int numtriangles;
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extern aliashdr_t *paliashdr;
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extern mdl_t *pmdl;
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extern float leftclip, topclip, rightclip, bottomclip;
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extern int r_acliptype;
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extern finalvert_t *pfinalverts;
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extern auxvert_t *pauxverts;
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qboolean R_AliasCheckBBox (void);
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//=========================================================
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// turbulence stuff
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#define AMP 8*0x10000
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#define AMP2 3
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#define SPEED 20
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//=========================================================
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// particle stuff
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void R_DrawParticles (void);
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void R_InitParticles (void);
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void R_ClearParticles (void);
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void R_ReadPointFile_f (void);
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void R_SurfacePatch (void);
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extern int r_amodels_drawn;
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extern edge_t *auxedges;
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extern int r_numallocatededges;
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extern edge_t *r_edges, *edge_p, *edge_max;
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extern edge_t *newedges[MAXHEIGHT];
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extern edge_t *removeedges[MAXHEIGHT];
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extern int screenwidth;
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// FIXME: make stack vars when debugging done
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extern edge_t edge_head;
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extern edge_t edge_tail;
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extern edge_t edge_aftertail;
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extern int r_bmodelactive;
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extern vrect_t *pconupdate;
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extern float aliasxscale, aliasyscale, aliasxcenter, aliasycenter;
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extern float r_aliastransition, r_resfudge;
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extern int r_outofsurfaces;
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extern int r_outofedges;
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extern mvertex_t *r_pcurrentvertbase;
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extern int r_maxvalidedgeoffset;
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void R_AliasClipTriangle (mtriangle_t *ptri);
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extern float r_time1;
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extern float dp_time1, dp_time2, db_time1, db_time2, rw_time1, rw_time2;
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extern float se_time1, se_time2, de_time1, de_time2, dv_time1, dv_time2;
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extern int r_frustum_indexes[4*6];
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extern int r_maxsurfsseen, r_maxedgesseen, r_cnumsurfs;
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extern qboolean r_surfsonstack;
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extern cshift_t cshift_water;
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extern qboolean r_dowarpold, r_viewchanged;
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extern mleaf_t *r_viewleaf, *r_oldviewleaf;
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extern vec3_t r_emins, r_emaxs;
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extern mnode_t *r_pefragtopnode;
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extern int r_clipflags;
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extern int r_dlightframecount;
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extern qboolean r_fov_greater_than_90;
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void R_StoreEfrags (efrag_t **ppefrag);
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void R_TimeRefresh_f (void);
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void R_TimeGraph (void);
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void R_PrintAliasStats (void);
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void R_PrintTimes (void);
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void R_PrintDSpeeds (void);
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void R_AnimateLight (void);
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int R_LightPoint (vec3_t p);
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void R_SetupFrame (void);
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void R_cshift_f (void);
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void R_EmitEdge (mvertex_t *pv0, mvertex_t *pv1);
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void R_ClipEdge (mvertex_t *pv0, mvertex_t *pv1, clipplane_t *clip);
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void R_SplitEntityOnNode2 (mnode_t *node);
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void R_MarkLights (dlight_t *light, int bit, mnode_t *node);
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#endif
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