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quakeforge-old/common/glquake.h
Joseph Carter 54501eaed7 SKYBOXES! 
Relevant cvar to change the name of the skybox is r_skyname which defaults
to "sky".  If you don't have the files you'll get an ugly red background
in place of the sky.  I'll fix that shortly.

Sorry software people, this is just the Q2 code I'm turning on which doesn
not work for software.  The code is pretty simple though and most of it's
written already in gl_warp.c---just move that to r_sky and use the pcx's
instead of the tga's..
2000-03-02 13:56:01 +00:00

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/*
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1999,2000 contributors of the QuakeForge project
Please see the file "AUTHORS" for a list of contributors
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.
*/
// disable data conversion warnings
#ifndef _GLQUAKE_H
#define _GLQUAKE_H
#if !defined(__GNUC__) && !defined(__unix) && !defined(__unix__)
#pragma warning(disable : 4244) // MIPS
#pragma warning(disable : 4136) // X86
#pragma warning(disable : 4051) // ALPHA
#endif
#ifdef _WIN32
#include <windows.h>
#endif
#include <GL/gl.h>
#include <GL/glu.h>
#include "model.h"
#include "client.h"
#include "wad.h"
void GL_BeginRendering (int *x, int *y, int *width, int *height);
void GL_EndRendering (void);
/* continuation of loring's patch, he just #ifdef'd and #endif'd _WIN32
this section, reason follows:
The solution h is to put a #ifdef _WIN32 around the code, so Mesa 3.2
is required under at least Windows, but probably nowhere else (ie, the
issue is sidestepped for non-Windows systems).
*/
#ifdef _WIN32
// Function prototypes for the Texture Object Extension routines
typedef GLboolean (GLAPIENTRY *ARETEXRESFUNCPTR)(GLsizei, const GLuint *,
const GLboolean *);
typedef void (GLAPIENTRY *BINDTEXFUNCPTR)(GLenum, GLuint);
typedef void (GLAPIENTRY *DELTEXFUNCPTR)(GLsizei, const GLuint *);
typedef void (GLAPIENTRY *GENTEXFUNCPTR)(GLsizei, GLuint *);
typedef GLboolean (GLAPIENTRY *ISTEXFUNCPTR)(GLuint);
typedef void (GLAPIENTRY *PRIORTEXFUNCPTR)(GLsizei, const GLuint *,
const GLclampf *);
typedef void (GLAPIENTRY *TEXSUBIMAGEPTR)(int, int, int, int, int, int, int, int, void *);
extern BINDTEXFUNCPTR bindTexFunc;
extern DELTEXFUNCPTR delTexFunc;
extern TEXSUBIMAGEPTR TexSubImage2DFunc;
#endif
extern int texture_extension_number;
extern int texture_mode;
extern float gldepthmin, gldepthmax;
void GL_Upload32 (unsigned *data, int width, int height, qboolean mipmap, qboolean alpha);
void GL_Upload8 (byte *data, int width, int height, qboolean mipmap, qboolean alpha);
void GL_Upload8_EXT (byte *data, int width, int height, qboolean mipmap, qboolean alpha);
int GL_LoadTexture (char *identifier, int width, int height, byte *data, qboolean mipmap, qboolean alpha);
int GL_FindTexture (char *identifier);
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;
#ifdef _WIN32
extern PROC glArrayElementEXT;
extern PROC glColorPointerEXT;
extern PROC glTexturePointerEXT;
extern PROC glVertexPointerEXT;
#endif
// r_local.h -- private refresh defs
#define ALIAS_BASE_SIZE_RATIO (1.0 / 11.0)
// normalizing factor so player model works out to about
// 1 pixel per triangle
//#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 (void);
void R_ReadPointFile_f (void);
texture_t *R_TextureAnimation (texture_t *base);
/*
typedef struct surfcache_s
{
struct surfcache_s *next;
struct surfcache_s **owner; // NULL is an empty chunk of memory
int lightadj[MAXLIGHTMAPS]; // checked for strobe flush
int dlight;
int size; // including header
unsigned width;
unsigned height; // DEBUG only needed for debug
float mipscale;
struct texture_s *texture; // checked for animating textures
byte data[4]; // width*height elements
} surfcache_t;
*/
//====================================================
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 int d_lightstylevalue[256]; // 8.8 fraction of base light value
extern qboolean envmap;
extern int currenttexture;
extern int cnttextures[2];
extern int particletexture;
extern int netgraphtexture; // netgraph texture
extern int playertextures;
extern int skytexturenum; // index in cl.loadmodel, not gl texture object
extern cvar_t *r_norefresh;
extern cvar_t *r_drawentities;
extern cvar_t *r_drawworld;
extern cvar_t *r_drawviewmodel;
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_netgraph;
extern cvar_t *r_fog;
extern cvar_t *r_waterwarp;
extern cvar_t *r_volfog;
extern cvar_t *r_waterripple;
extern cvar_t *gl_clear;
extern cvar_t *gl_cull;
extern cvar_t *gl_poly;
extern cvar_t *gl_texsort;
extern cvar_t *gl_smoothmodels;
extern cvar_t *gl_affinemodels;
extern cvar_t *gl_polyblend;
extern cvar_t *gl_keeptjunctions;
extern cvar_t *gl_flashblend;
extern cvar_t *gl_nocolors;
extern cvar_t *gl_finish;
extern cvar_t *gl_doubleeyes;
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 float r_world_matrix[16];
extern const char *gl_vendor;
extern const char *gl_renderer;
extern const char *gl_version;
extern const char *gl_extensions;
void R_TranslatePlayerSkin (int playernum);
void GL_Bind (int texnum);
// Multitexture
#define TEXTURE0_SGIS 0x835E
#define TEXTURE1_SGIS 0x835F
typedef void (GLAPIENTRY *lpMTexFUNC) (GLenum, GLfloat, GLfloat);
typedef void (GLAPIENTRY *lpSelTexFUNC) (GLenum);
extern lpMTexFUNC qglMTexCoord2fSGIS;
extern lpSelTexFUNC qglSelectTextureSGIS;
extern qboolean gl_mtexable;
void GL_DisableMultitexture(void);
void GL_EnableMultitexture(void);
//
// gl_warp.c
//
void GL_SubdivideSurface (msurface_t *fa);
void EmitBothSkyLayers (msurface_t *fa);
void EmitWaterPolys (msurface_t *fa);
void EmitSkyPolys (msurface_t *fa);
void R_DrawSkyChain (msurface_t *s);
void R_LoadSkys (void);
void R_ClearSkyBox (void);
void R_DrawSkyBox (void);
//
// gl_draw.c
//
int GL_LoadPicTexture (qpic_t *pic);
void GL_Set2D (void);
//
// gl_rmain.c
//
qboolean R_CullBox (vec3_t mins, vec3_t maxs);
void R_RotateForEntity (entity_t *e);
//
// gl_rlight.c
//
void R_MarkLights (dlight_t *light, int bit, mnode_t *node);
void R_AnimateLight (void);
void R_RenderDlights (void);
int R_LightPoint (vec3_t p);
//
// gl_refrag.c
//
void R_StoreEfrags (efrag_t **ppefrag);
//
// gl_mesh.c
//
void GL_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr);
//
// gl_rsurf.c
//
void R_DrawBrushModel (entity_t *e);
void R_DrawWorld (void);
void GL_BuildLightmaps (void);
//
// gl_ngraph.c
//
void R_NetGraph (void);
#endif // _GLQUAKE_H
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