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quakeforge/include/r_local.h
Bill Currie 2790972cb0 [renderer] Separate core of R_MarkLeaves 
I needed to mark leaves based on an arbitrary PVS (for lighting) that is
independent of the camera position. Also cleaned up some const
correctness.
2023-07-27 15:43:47 +09:00

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/*
r_local.h
private refresh defs
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifndef _R_LOCAL_H
#define _R_LOCAL_H
#include "QF/iqm.h"
#include "QF/mathlib.h"
#include "QF/model.h"
#include "QF/render.h"
#include "QF/vid.h"
#include "QF/simd/mat4f.h"
#include "QF/simd/vec4f.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
// viewmodel lighting =======================================================
typedef struct {
int ambientlight;
int shadelight;
vec3_t lightvec;
} alight_t;
// 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 int r_speeds;
extern int r_timegraph;
extern int r_graphheight;
extern int r_clearcolor;
extern int r_waterwarp;
extern int r_drawentities;
extern int r_aliasstats;
extern int r_dspeeds;
extern int r_drawflat;
extern int r_ambient;
extern int r_reportsurfout;
extern int r_maxsurfs;
extern int r_numsurfs;
extern int r_reportedgeout;
extern int r_maxedges;
extern int r_numedges;
extern float cl_wateralpha;
#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);
struct entqueue_s;
void R_DrawEntitiesOnList (struct entqueue_s *queue);
//=============================================================================
extern plane_t screenedge[4];
extern vec4f_t r_entorigin;
//=============================================================================
extern int vstartscan;
void R_ClearPolyList (void);
void R_DrawPolyList (void);
// Surface cache related ==========
extern bool r_cache_thrash; // set if thrashing the surface cache
// current entity info
extern bool insubmodel;
extern vec3_t r_worldmodelorg;
extern mat4f_t glsl_projection;
extern mat4f_t glsl_view;
union refframe_s;
void R_SetFrustum (plane_t *frustum, const union refframe_s *frame,
float fov_x, float fov_y);
struct entity_s;
struct animation_s;
void R_SpriteBegin (void);
void R_SpriteEnd (void);
void R_DrawSprite (struct entity_s ent);
void R_RenderFace (uint32_t render_id, msurface_t *fa, int clipflags);
void R_RenderPoly (uint32_t render_id, msurface_t *fa, int clipflags);
void R_RenderBmodelFace (uint32_t render_id, bedge_t *pedges, msurface_t *psurf);
void R_TransformFrustum (void);
void R_SetSkyFrame (void);
void R_DrawSurfaceBlock (void);
struct texture_s *R_TextureAnimation (int frame, msurface_t *surf) __attribute__((pure));
void R_GenSkyTile (void *pdest);
void R_SurfPatch (void);
void R_DrawSubmodelPolygons (uint32_t render_id, mod_brush_t *brush, int clipflags, struct mleaf_s *topleaf);
void R_DrawSolidClippedSubmodelPolygons (uint32_t render_id, mod_brush_t *brush, struct mnode_s *topnode);
void R_AddPolygonEdges (emitpoint_t *pverts, int numverts, int miplevel);
surf_t *R_GetSurf (void);
void R_AliasClipAndProjectFinalVert (finalvert_t *fv, auxvert_t *av);
void R_AliasDrawModel (struct entity_s ent, alight_t *plighting);
void R_IQMDrawModel (struct entity_s ent, alight_t *plighting);
struct animation_s;
maliasskindesc_t *R_AliasGetSkindesc (struct animation_s *animation, int skinnum, aliashdr_t *hdr);
maliasframedesc_t *R_AliasGetFramedesc (struct animation_s *animation, aliashdr_t *hdr);
float R_AliasGetLerpedFrames (struct animation_s *animation, aliashdr_t *hdr);
float R_IQMGetLerpedFrames (struct animation_s *animation, iqm_t *hdr);
iqmframe_t *R_IQMBlendFrames (const iqm_t *iqm, int frame1, int frame2,
float blend, int extra);
iqmframe_t *R_IQMBlendPalette (const iqm_t *iqm, int frame1, int frame2,
float blend, int extra,
iqmblend_t *blend_palette, int palette_size);
float R_EntityBlend (struct animation_s *animation, int pose, float interval);
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);
void R_AddTexture (struct texture_s *tex);
struct vulkan_ctx_s;
void R_ClearTextures (void);
void R_InitSurfaceChains (mod_brush_t *brush);
extern const byte *r_colormap;
void R_SetColormap (const byte *cmap);
extern void R_Surf8Start (void);
extern void R_Surf8End (void);
extern void R_EdgeCodeStart (void);
extern void R_EdgeCodeEnd (void);
struct transform_s;
extern void R_RotateBmodel (vec4f_t *mat);
extern int c_faceclip;
extern int r_polycount;
extern int *pfrustum_indexes[4];
// !!! if this is changed, it must be changed in asm_draw.h too !!!
#define NEAR_CLIP 0.01
extern fixed16_t sadjust, tadjust;
extern fixed16_t bbextents, bbextentt;
#define MAXBVERTINDEXES 1000 // new clipped vertices when clipping bmodels
// to the world BSP
extern mvertex_t *r_ptverts, *r_ptvertsmax;
extern vec3_t sbaseaxis[3], tbaseaxis[3];
extern int r_currentkey;
extern int r_currentbkey;
typedef struct btofpoly_s {
int clipflags;
msurface_t *psurf;
} btofpoly_t;
#define MAX_BTOFPOLYS 5000 // FIXME: tune this
extern int numbtofpolys;
void R_InitTurb (void);
void R_ZDrawSubmodelPolys (uint32_t render_id, mod_brush_t *brush);
// Alias models ===========================================
#define ALIAS_Z_CLIP_PLANE 5
extern int numverts;
extern int numtriangles;
extern float leftclip, topclip, rightclip, bottomclip;
extern int r_acliptype;
extern finalvert_t *pfinalverts;
extern auxvert_t *pauxverts;
extern float ziscale;
extern float aliastransform[3][4];
bool R_AliasCheckBBox (struct entity_s ent);
// turbulence stuff =======================================
#define AMP 8*0x10000
#define AMP2 3
#define SPEED 20
// particle stuff =========================================
struct psystem_s;
void R_DrawParticles (struct psystem_s *psystem);
void R_InitParticles (void);
void R_ClearParticles (void);
void R_ReadPointFile_f (void);
void R_InitSprites (void);
void R_SurfacePatch (void);
// renderer stuff again ===================================
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 r_bmodelactive;
extern vrect_t *pconupdate;
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;
extern int r_maxvalidedgeoffset;
void R_AliasClipTriangle (mtriangle_t *ptri);
extern double r_time1;
extern int r_frustum_indexes[4*6];
extern int r_maxsurfsseen, r_maxedgesseen;
extern bool r_dowarpold, r_viewchanged;
extern int r_clipflags;
extern struct entqueue_s *r_ent_queue;
struct dlight_s;
extern vec3_t lightspot;
struct efrag_s;
void R_StoreEfrags (const struct efrag_s *efrag);
void R_TimeRefresh_f (void);
void R_PrintAliasStats (void);
void R_PrintTimes (void);
void R_AnimateLight (void);
int R_LightPoint (mod_brush_t *brush, vec4f_t p);
void R_SetupFrame (void);
void R_cshift_f (void);
void R_EmitEdge (mvertex_t *pv0, mvertex_t *pv1);
void R_ClipEdge (mvertex_t *pv0, mvertex_t *pv1, clipplane_t *clip);
void R_RecursiveMarkLights (const mod_brush_t *brush, vec4f_t lightorigin,
struct dlight_s *light, int bit, int node_id);
void R_LoadSkys (const char *);
//void Vulkan_R_LoadSkys (const char *, struct vulkan_ctx_s *ctx);
void R_LowFPPrecision (void);
void R_HighFPPrecision (void);
void R_SetFPCW (void);
void R_AliasProjectFinalVert (finalvert_t *fv, auxvert_t *av);
void R_Alias_clip_left (finalvert_t *pfv0, finalvert_t *pfv1,
finalvert_t *out);
void R_Alias_clip_right (finalvert_t *pfv0, finalvert_t *pfv1,
finalvert_t *out);
void R_Alias_clip_bottom (finalvert_t *pfv0, finalvert_t *pfv1,
finalvert_t *out);
void R_Alias_clip_top (finalvert_t *pfv0, finalvert_t *pfv1, finalvert_t *out);
void R_AliasTransformVector (vec3_t in, vec3_t out);
void R_AliasTransformFinalVert (finalvert_t *fv, trivertx_t *pverts,
stvert_t *pstverts);
void R_AliasTransformAndProjectFinalVerts (finalvert_t *fv, stvert_t *pstverts);
void R_GenerateSpans (void);
void R_InitVars (void);
void R_LoadSky_f (void);
extern byte crosshair_data[];
#define CROSSHAIR_WIDTH 8
#define CROSSHAIR_HEIGHT 8
#define CROSSHAIR_TILEX 2
#define CROSSHAIR_TILEY 2
#define CROSSHAIR_COUNT (CROSSHAIR_TILEX * CROSSHAIR_TILEY)
//NOTE: This is packed 8x8 bitmap data, one byte per scanline, 8 scanlines
////per character. Also, it is NOT the quake font, but the IBM charset.
extern byte font8x8_data[];
struct qpic_s *Draw_CrosshairPic (void);
struct qpic_s *Draw_Font8x8Pic (void);
struct tex_s *R_DotParticleTexture (void);
struct tex_s *R_SparkParticleTexture (void);
struct tex_s *R_SmokeParticleTexture (void);
#endif // _R_LOCAL_H
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