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quakeforge/include/r_local.h
Bill Currie fbc1bd9f6e [renderer] Clean up entity_t to a certain extent 
This is the first step towards component-based entities.

There's still some transform-related stuff in the struct that needs to
be moved, but it's all entirely client related (rather than renderer)
and will probably go into a "client" component. Also, the current
components are directly included structs rather than references as I
didn't want to deal with the object management at this stage.

As part of the process (because transforms use simd) this also starts
the process of moving QF to using simd for vectors and matrices. There's
now a mess of simd and sisd code mixed together, but it works
surprisingly well together.
2021-03-10 00:01:41 +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;
float *plightvec;
} 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 struct cvar_s *r_speeds;
extern struct cvar_s *r_timegraph;
extern struct cvar_s *r_graphheight;
extern struct cvar_s *r_clearcolor;
extern struct cvar_s *r_waterwarp;
extern struct cvar_s *r_fullbright;
extern struct cvar_s *r_drawentities;
extern struct cvar_s *r_aliasstats;
extern struct cvar_s *r_dspeeds;
extern struct cvar_s *r_drawflat;
extern struct cvar_s *r_ambient;
extern struct cvar_s *r_reportsurfout;
extern struct cvar_s *r_maxsurfs;
extern struct cvar_s *r_numsurfs;
extern struct cvar_s *r_reportedgeout;
extern struct cvar_s *r_maxedges;
extern struct cvar_s *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);
//=============================================================================
extern plane_t screenedge[4];
extern vec3_t r_origin;
extern vec3_t r_entorigin;
extern int r_visframecount;
//=============================================================================
extern int vstartscan;
void R_ClearPolyList (void);
void R_DrawPolyList (void);
// Surface cache related ==========
extern qboolean r_cache_thrash; // set if thrashing the surface cache
// current entity info
extern qboolean insubmodel;
extern vec3_t r_worldmodelorg;
extern mat4f_t glsl_projection;
extern mat4f_t glsl_view;
void R_SetFrustum (void);
void R_SpriteBegin (void);
void R_SpriteEnd (void);
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 (plane_t *p, float *normal, float *dist);
void R_TransformFrustum (void);
void R_SetSkyFrame (void);
void R_DrawSurfaceBlock (void);
texture_t *R_TextureAnimation (msurface_t *surf) __attribute__((pure));
void R_GenSkyTile (void *pdest);
void R_SurfPatch (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_AliasClipAndProjectFinalVert (finalvert_t *fv, auxvert_t *av);
void R_AliasDrawModel (alight_t *plighting);
void R_IQMDrawModel (alight_t *plighting);
maliasskindesc_t *R_AliasGetSkindesc (int skinnum, aliashdr_t *hdr);
maliasframedesc_t *R_AliasGetFramedesc (int framenum, aliashdr_t *hdr);
float R_AliasGetLerpedFrames (entity_t *ent, aliashdr_t *hdr);
float R_IQMGetLerpedFrames (entity_t *ent, 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 (entity_t *ent, 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 (texture_t *tex);
struct vulkan_ctx_s;
void R_ClearTextures (void);
void R_InitSurfaceChains (mod_brush_t *brush);
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 model_t *cl_worldmodel;
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 (model_t *clmodel);
// 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, sw32_ziscale;
extern float aliastransform[3][4];
qboolean R_AliasCheckBBox (void);
// turbulence stuff =======================================
#define AMP 8*0x10000
#define AMP2 3
#define SPEED 20
// particle stuff =========================================
void R_DrawParticles (void);
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 screenwidth;
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 float r_time1;
extern int r_frustum_indexes[4*6];
extern int r_maxsurfsseen, r_maxedgesseen;
extern qboolean r_dowarpold, r_viewchanged;
extern mleaf_t *r_viewleaf;
extern int r_clipflags;
extern int r_dlightframecount;
extern struct entity_s *r_ent_queue;
struct dlight_s;
extern vec3_t lightspot;
void R_StoreEfrags (const efrag_t *ppefrag);
void R_TimeRefresh_f (void);
void R_TimeGraph (void);
void R_ZGraph (void);
void R_PrintAliasStats (void);
void R_PrintTimes (void);
void R_AnimateLight (void);
int R_LightPoint (mod_brush_t *brush, const vec3_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 (mod_brush_t *brush, const vec3_t lightorigin,
struct dlight_s *light, int bit, mnode_t *node);
void R_MarkLights (const vec3_t lightorigin, struct dlight_s *light, int bit,
model_t *model);
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_AliasSetUpTransform (int trivial_accept);
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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