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glquake.h
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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.
*/
#ifndef _WIN32
# define RGB(r,g,b) ((DWORD)(((byte)(r)|((WORD)((byte)(g))<<8))|(((DWORD)(byte)(b))<<16)))
# define APIENTRY
#endif
#include <GL/gl.h>
void GL_BeginRendering (int *x, int *y, int *width, int *height);
void GL_EndRendering (void);
extern int texture_extension_number;
//extern float gldepthmin, gldepthmax;
// added by joe
#define TEX_COMPLAIN 0x0001
#define TEX_MIPMAP 0x0002
#define TEX_ALPHA 0x0004
#define TEX_LUMA 0x0008
#define TEX_FULLBRIGHT 0x0010
//#define TEX_BRIGHTEN 0x0020
#define TEX_BMODEL 0x0020
#define TEX_PLAYER 0x0040
#define TEX_BLEND 0x0080
#define TEX_NOSTRETCH 0x0100
#define TEX_NOTILE 0x0200
#define TEX_NOFILTER 0x0400 // doesn't obey gl_texturemode
#ifdef HEXEN2_SUPPORT
# define TEX_ALPHA_MODE1 0x1000
# define TEX_ALPHA_MODE2 0x2000
# define TEX_ALPHA_MODE3 0x4000
#endif
#define MAX_GLTEXTURES 2048 // JDH: was 1024
#define MAX_TMUS 4
#ifndef GL_COMBINE
# define GL_COMBINE 0x8570
# define GL_COMBINE_RGB 0x8571
# define GL_RGB_SCALE 0x8573
# define GL_CONSTANT 0x8576
# define GL_PREVIOUS 0x8578
# define GL_SOURCE0_RGB 0x8580
# define GL_SOURCE1_RGB 0x8581
//# define GL_OPERAND0_RGB 0x8590
//# define GL_OPERAND1_RGB 0x8591
#endif
struct gltexture_s;
// filtering modes:
typedef struct
{
const char *name;
int minimize, maximize;
} glmode_t;
#define GL_NUM_TEXMODES 6
extern const glmode_t gl_texmodes[GL_NUM_TEXMODES];
void GL_TextureInit (void);
void GL_SelectTMUTexture (GLenum target);
void GL_DisableMultitexture (void);
void GL_EnableMultitexture (void);
void GL_EnableTMU (GLenum target);
void GL_DisableTMU (GLenum target);
void GL_Upload32 (struct gltexture_s *glt, const unsigned *data, int *width, int *height, int texflags);
int GL_LoadTexture (const char *identifier, int width, int height, void *data, int texflags, int bytesperpixel);
int GL_LoadPicTexture (const char *name, mpic_t *pic, void *data, int texflags, int bytesperpixel);
void GL_UpdatePicTexture (mpic_t *pic, const unsigned *data);
byte *GL_LoadImage (const char *path, const char *filename, int texflags, int item_dirlevel);
byte *GL_LoadImage_MultiSource (const char *paths[], const char *filenames[], int texflags, int item_dirlevel);
int GL_LoadTextureImage (const char *path, const char *filename, const char *identifier, int texflags, int item_dirlevel);
int GL_LoadTextureImage_MultiSource (const char *paths[], const char *filenames[], const char *identifier, int texflags, int item_dirlevel);
mpic_t *GL_LoadPicImage (const char *path, const char *filename, const char *id, int texflags, int item_dirlevel);
mpic_t *GL_LoadPicImage_MultiSource (const char *paths[], const char *filenames[], const char *id, int texflags, int item_dirlevel);
void GL_ScaleDimensions (int w, int h, int *scaled_w, int *scaled_h, int texflags);
void Scrap_Upload (void);
typedef struct
{
float x, y, z;
float s, t;
float r, g, b;
} glvert_t;
extern glvert_t glv;
extern int glx, gly, glwidth, glheight;
extern const char *gl_vendor;
extern const char *gl_renderer;
extern const char *gl_version;
extern const char *gl_extensions;
void GL_Bind (int texnum);
// Multitexture
#define GL_TEXTURE0_ARB 0x84C0
#define GL_TEXTURE1_ARB 0x84C1
#define GL_TEXTURE2_ARB 0x84C2
#define GL_TEXTURE3_ARB 0x84C3
#define GL_MAX_TEXTURE_UNITS_ARB 0x84E2
typedef void (APIENTRY *lpMTexFUNC)(GLenum, GLfloat, GLfloat);
typedef void (APIENTRY *lpSelTexFUNC)(GLenum);
extern lpMTexFUNC qglMultiTexCoord2f;
extern lpSelTexFUNC qglActiveTexture;
extern qboolean gl_mtexable;
extern int gl_textureunits;
// normalizing factor so player model works out to about 1 pixel per triangle
#define ALIAS_BASE_SIZE_RATIO (1.0 / 11.0)
//#define MAX_LBM_HEIGHT 480
#define SKYSHIFT 7
#define SKYSIZE (1 << SKYSHIFT)
#define SKYMASK (SKYSIZE - 1)
#define BACKFACE_EPSILON 0.01
void R_TimeRefresh_f (cmd_source_t src);
void R_ReadPointFile_f (cmd_source_t src);
//texture_t *R_TextureAnimation (texture_t *base);
//====================================================
void QMB_InitParticles (void);
void QMB_ClearParticles (void);
void QMB_DrawParticles (void);
void QMB_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count);
void QMB_RocketTrail (vec3_t start, vec3_t end, vec3_t *trail_origin, trail_type_t type);
void QMB_BlobExplosion (vec3_t org);
void QMB_ParticleExplosion (vec3_t org);
void QMB_LavaSplash (vec3_t org);
void QMB_TeleportSplash (vec3_t org);
void QMB_InfernoFlame (vec3_t org);
void QMB_StaticBubble (entity_t *ent);
void QMB_ColorMappedExplosion (vec3_t org, int colorStart, int colorLength);
void QMB_TorchFlame (vec3_t org, float size, float time);
void QMB_MissileFire (vec3_t org, vec3_t start, vec3_t end);
void QMB_ShamblerCharge (vec3_t org);
void QMB_LightningBeam (vec3_t start, vec3_t end);
void QMB_Lightning_Splash (vec3_t org);
void QMB_GenSparks (vec3_t org, byte col[3], float count, float size, float life);
extern qboolean qmb_initialized;
//int CheckParticles (void);
//====================================================
extern entity_t r_worldentity;
extern qboolean r_cache_thrash; // compatability
extern vec3_t modelorg, r_entorigin;
//extern entity_t *currententity;
extern int r_visframecount; // ??? what difs?
extern int r_framecount;
extern mplane_t frustum[4];
extern int c_brush_polys, c_alias_polys;
// view origin
extern vec3_t vup;
extern vec3_t vpn;
extern vec3_t vright;
extern vec3_t r_origin;
// screen size info
extern refdef_t r_refdef;
extern mleaf_t *r_viewleaf, *r_oldviewleaf;
extern mleaf_t *r_viewleaf2, *r_oldviewleaf2; // for watervis hack
extern texture_t *r_notexture_mip;
extern int d_lightstylevalue[256]; // 8.8 fraction of base light value
#define NUM_DETAIL_LEVELS 16
extern int currenttexture;
extern int particletexture;
extern int playertextures;
extern int skyboxtextures;
extern int underwatertexture, /*detailtexture,*/ chrometexture2; // JT added chrometexture2
extern int detailtexture[NUM_DETAIL_LEVELS];
extern cvar_t r_drawentities;
extern cvar_t r_drawworld;
extern cvar_t r_drawviewmodel;
extern cvar_t r_viewmodelsize;
extern cvar_t r_speeds;
extern cvar_t r_waterwarp;
extern cvar_t r_fullbright;
extern cvar_t r_lightmap;
extern cvar_t r_shadows;
extern cvar_t r_wateralpha;
extern cvar_t r_dynamic;
extern cvar_t r_novis;
extern cvar_t r_fullbrightskins;
extern cvar_t r_skytype;
extern cvar_t r_skycolor;
extern cvar_t r_skybox;
extern cvar_t r_farclip;
// [email protected]: model interpolation
extern cvar_t gl_interpolate_animation;
extern cvar_t gl_interpolate_transform;
extern cvar_t gl_clear;
extern cvar_t gl_cull;
extern cvar_t gl_poly;
//extern cvar_t gl_ztrick;
extern cvar_t gl_smoothmodels;
extern cvar_t gl_affinemodels;
extern cvar_t gl_polyblend;
extern cvar_t gl_flashblend;
extern cvar_t gl_nocolors;
extern cvar_t gl_loadlitfiles;
extern cvar_t gl_doubleeyes;
extern cvar_t gl_interdist;
extern cvar_t gl_waterfog;
extern cvar_t gl_waterfog_density;
extern cvar_t gl_detail;
extern cvar_t gl_caustics;
extern cvar_t gl_fb_world;
extern cvar_t gl_fb_bmodels;
extern cvar_t gl_fb_models;
extern cvar_t gl_solidparticles;
extern cvar_t gl_vertexlights;
extern cvar_t gl_lightmode;
extern cvar_t gl_part_explosions;
extern cvar_t gl_part_trails;
extern cvar_t gl_part_spikes;
extern cvar_t gl_part_gunshots;
extern cvar_t gl_part_blood;
extern cvar_t gl_part_telesplash;
extern cvar_t gl_part_blobs;
extern cvar_t gl_part_lavasplash;
extern cvar_t gl_part_inferno;
extern cvar_t gl_part_flames;
extern cvar_t gl_part_lightning;
extern cvar_t gl_part_spiketrails;
extern cvar_t gl_bounceparticles;
extern cvar_t gl_clipparticles;
extern qboolean no24bit;
extern cvar_t gl_externaltextures_world;
extern cvar_t gl_externaltextures_bmodels;
extern cvar_t gl_externaltextures_models;
extern int gl_lightmap_format;
extern int gl_solid_format;
extern int gl_alpha_format;
extern cvar_t gl_max_size;
extern cvar_t gl_playermip;
extern cvar_t gl_picmip;
extern cvar_t gl_picmip_all;
extern cvar_t gl_skyhack; /****** TEMP!!! *******/
extern int mirrortexturenum; // quake texturenum, not gltexturenum
extern qboolean mirror;
extern mplane_t *mirror_plane;
extern float r_world_matrix[16];
// vid_common_gl.c
void VID_BuildGammaTable (void);
void VID_SetPalette (unsigned char *palette);
void GL_Init (void);
extern qboolean gl_add_ext;
// image.c
extern int image_width, image_height;
void Image_Init (void);
byte *Image_LoadFile (FILE *f, int filelen, const char *filename);
qboolean Image_WriteFile (char *filename, const byte *data, int width, int height);
// gl_warp.c
void GL_SubdivideSurface (model_t *mod, msurface_t *fa);
void EmitWaterPolys (msurface_t *fa, qboolean doSetup);
void CalcCausticTexCoords(float *v, float *s, float *t);
void EmitCausticsPolys (void);
void EmitWaterPolysReflection (msurface_t *fa);
//void EmitWaterPolys2 (msurface_t *fa);
// gl_sky.c
void EmitSkyPolys (msurface_t *fa, qboolean mtex);
//void R_DrawSkyChain (void);
void R_AddSkyBoxSurface (msurface_t *fa);
void R_ClearSkyBox (void);
//void R_DrawSkyBox (void);
void R_DrawSky (void);
void R_DrawSkyChainOld (void);
//qboolean R_SetSky (char *skyname);
qboolean Sky_GetBaseName (char *filename);
qboolean Sky_InitWorldspawn (const char *); // JDH
// gl_draw.c
void GL_Set2D (void);
int StringToRGB (const char *s, byte rgb[4]);
// gl_rmain.c
qboolean R_CullBox (const vec3_t mins, const vec3_t maxs);
#ifdef _WIN32
qboolean R_CullSphere (const vec3_t centre, float radius);
#endif
void R_RotateForEntity (const entity_t *e);
void R_BlendedRotateForEntity (entity_t *e);
#ifdef HEXEN2_SUPPORT
void R_RotateForEntity_H2 (entity_t *e);
void R_BlendedRotateForEntity_H2 (entity_t *e);
#endif
void R_PolyBlend (void);
void R_BrightenRect (int left, int top, int width, int height);
#define R_BrightenScreen() R_BrightenRect(0, 0, vid.width, vid.height)
// gl_rlight.c
void R_MarkLights (dlight_t *light, QINT64 bit, mnode_t *node);
void R_AnimateLight (void);
void R_RenderDlights (void);
int R_LightPoint (const vec3_t p);
float R_GetVertexLightValue (int index, float apitch, float ayaw);
float R_LerpVertexLight (int index1, int index2, float ilerp, float apitch, float ayaw);
void R_InitVertexLights (void);
extern float bubblecolor[NUM_DLIGHTTYPES][3];
extern float vlight_pitch, vlight_yaw;
extern vec3_t lightspot, lightcolor;
// gl_refrag.c
void R_StoreEfrags (efrag_t **ppefrag);
// gl_mesh.c
void GL_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr);
// gl_rsurf.c
//extern int dlightcolor[NUM_DLIGHTTYPES][3];
void EmitDetailPolys (void);
void R_DrawBrushModel (entity_t *e);
void R_DrawWorld (void);
void R_MarkLeaves (void);
void GL_BuildLightmaps (void);
void GL_ForceLightMapReload (msurface_t *);
void GL_CreateSurfaceLightmap (model_t *, msurface_t *);
void GL_BuildSurfaceDisplayList (model_t *, msurface_t *);
// gl_rmisc
void R_InitOtherTextures (void);
/*******JDH*******
void Mod_LoadQ3Model(model_t *mod, void *buffer);
void R_DrawQ3Model(entity_t *e);
*******JDH*******/
// gl_fog.c (JDH)
void Fog_Init (void);
void Fog_InitWorldspawn (const char *);
void Fog_NewMap (void);
void Fog_Reset (void);
void Fog_ParseFitzMessage (void);
void Fog_ParseNehMessage (void);
void Fog_SetupFrame (void);
void Fog_AddWaterfog (unsigned color, int contents);
void Fog_EnableGFog (void);
void Fog_DisableGFog (void);
float Fog_GetDensity (void);