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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
$Id: r_local.h,v 1.7 2007-03-11 06:01:42 disconn3ct Exp $
*/
// r_local.h -- private refresh defs
#ifndef __R_LOCAL_H__
#define __R_LOCAL_H__
#include "r_shared.h"
#define ALIAS_BASE_SIZE_RATIO (1.0 / 11.0)
// normalizing factor so player model works out to about
// 1 pixel per triangle
#define BMODEL_FULLY_CLIPPED 0x10 // value returned by R_BmodelCheckBBox ()
// if bbox is trivially rejected
//===========================================================================
// clipped bmodel edges
typedef struct bedge_s
{
mvertex_t *v[2];
struct bedge_s *pnext;
} bedge_t;
typedef struct {
float fv[3]; // viewspace x, y
} auxvert_t;
//===========================================================================
extern cvar_t r_draworder;
extern cvar_t r_speeds;
extern cvar_t r_timegraph;
extern cvar_t r_graphheight;
extern cvar_t r_clearcolor;
extern cvar_t r_waterwarp;
extern cvar_t r_fullbright;
extern cvar_t r_drawentities;
extern cvar_t r_aliasstats;
extern cvar_t r_dspeeds;
extern cvar_t r_ambient;
extern cvar_t r_reportsurfout;
extern cvar_t r_maxsurfs;
extern cvar_t r_numsurfs;
extern cvar_t r_reportedgeout;
extern cvar_t r_maxedges;
extern cvar_t r_numedges;
#define XCENTERING (1.0 / 2.0)
#define YCENTERING (1.0 / 2.0)
#define CLIP_EPSILON 0.001
#define BACKFACE_EPSILON 0.01
//===========================================================================
#define DIST_NOT_SET 98765
// !!! if this is changed, it must be changed in asm_draw.h too !!!
typedef struct clipplane_s
{
vec3_t normal;
float dist;
struct clipplane_s *next;
byte leftedge;
byte rightedge;
byte reserved[2];
} clipplane_t;
extern clipplane_t view_clipplanes[4];
//=============================================================================
void R_RenderWorld (void);
//=============================================================================
extern mplane_t screenedge[4];
extern vec3_t r_origin;
extern vec3_t r_entorigin;
extern float screenAspect;
extern float verticalFieldOfView;
extern float xOrigin, yOrigin;
extern int r_visframecount;
//=============================================================================
extern int vstartscan;
//
// current entity info
//
extern qbool insubmodel;
void R_DrawSprite (void);
void R_RenderFace (msurface_t *fa, int clipflags);
void R_RenderPoly (msurface_t *fa, int clipflags);
void R_RenderBmodelFace (bedge_t *pedges, msurface_t *psurf);
void R_TransformPlane (mplane_t *p, float *normal, float *dist);
void R_TransformFrustum (void);
void R_SetSkyFrame (void);
void R_DrawSurfaceBlock8 (void);
texture_t *R_TextureAnimation (texture_t *base);
void R_GenSkyTile (void *pdest);
void R_Surf8Patch (void);
void R_DrawSubmodelPolygons (model_t *pmodel, int clipflags);
void R_DrawSolidClippedSubmodelPolygons (model_t *pmodel);
void R_AddPolygonEdges (emitpoint_t *pverts, int numverts, int miplevel);
surf_t *R_GetSurf (void);
void R_AliasDrawModel (entity_t *ent);
void R_BeginEdgeFrame (void);
void R_ScanEdges (void);
void D_DrawSurfaces (void);
void R_InsertNewEdges (edge_t *edgestoadd, edge_t *edgelist);
void R_StepActiveU (edge_t *pedge);
void R_RemoveEdges (edge_t *pedge);
extern void R_Surf8Start (void);
extern void R_Surf8End (void);
extern void R_EdgeCodeStart (void);
extern void R_EdgeCodeEnd (void);
extern void R_RotateBmodel (void);
extern int c_faceclip;
extern int r_polycount;
extern int r_wholepolycount;
extern int *pfrustum_indexes[4];
// !!! if this is changed, it must be changed in asm_draw.h too !!!
#define NEAR_CLIP 0.01
extern int ubasestep, errorterm, erroradjustup, erroradjustdown;
extern int vstartscan;
extern int r_currentkey;
extern int r_currentbkey;
void R_InitTurb (void);
//=========================================================
// Alias models
//=========================================================
#define MAXALIASVERTS 2000 // TODO: tune this
extern cvar_t r_nearclip;
extern int numverts;
extern int a_skinwidth;
extern mtriangle_t *ptriangles;
extern int numtriangles;
extern aliashdr_t *paliashdr;
extern mdl_t *pmdl;
extern float leftclip, topclip, rightclip, bottomclip;
extern int r_acliptype;
extern finalvert_t *pfinalverts;
extern auxvert_t *pauxverts;
//=========================================================
// turbulence stuff
#define AMP 8*0x10000
#define AMP2 3
#define SPEED 20
//=========================================================
extern int r_amodels_drawn;
extern edge_t *auxedges;
extern int r_numallocatededges;
extern edge_t *r_edges, *edge_p, *edge_max;
extern edge_t *newedges[MAXHEIGHT];
extern edge_t *removeedges[MAXHEIGHT];
extern int screenwidth;
// FIXME: make stack vars when debugging done
extern edge_t edge_head;
extern edge_t edge_tail;
extern edge_t edge_aftertail;
extern int r_bmodelactive;
extern float aliasxscale, aliasyscale, aliasxcenter, aliasycenter;
extern float r_aliastransition, r_resfudge;
extern int r_outofsurfaces;
extern int r_outofedges;
extern mvertex_t *r_pcurrentvertbase;
void R_AliasClipTriangle (mtriangle_t *ptri);
extern float r_time1;
extern float dp_time1, dp_time2, db_time1, db_time2, rw_time1, rw_time2;
extern float se_time1, se_time2, de_time1, de_time2, dv_time1, dv_time2;
extern int r_frustum_indexes[4*6];
extern int r_maxsurfsseen, r_maxedgesseen, r_cnumsurfs;
extern qbool r_surfsonstack;
extern qbool r_dowarpold, r_viewchanged;
extern mleaf_t *r_viewleaf, *r_oldviewleaf;
extern int r_clipflags;
extern int r_dlightframecount;
void R_StoreEfrags (efrag_t **ppefrag);
void R_TimeRefresh_f (void);
void R_TimeGraph (void);
void R_PrintAliasStats (void);
void R_PrintTimes (void);
void R_PrintDSpeeds (void);
void R_AnimateLight (void);
int R_LightPoint (vec3_t p);
void R_SetupFrame (void);
void R_EmitEdge (mvertex_t *pv0, mvertex_t *pv1);
void R_ClipEdge (mvertex_t *pv0, mvertex_t *pv1, clipplane_t *clip);
void R_MarkLights (dlight_t *light, int bit, mnode_t *node);
void R_InitSky (miptex_t *mt);
// !!! if this is changed, it must be changed in d_ifacea.h too !!!
#define CACHE_SIZE 32 // used to align key data structures
#endif /* !__R_LOCAL_H__*/
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