NS/releases/3.1/source/common/triangleapi.h

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/***
*
* Copyright (c) 1999, 2000, Valve LLC. All rights reserved.
*
* This product contains software technology licensed from Id
* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
* All Rights Reserved.
*
* Use, distribution, and modification of this source code and/or resulting
* object code is restricted to non-commercial enhancements to products from
* Valve LLC. All other use, distribution, or modification is prohibited
* without written permission from Valve LLC.
*
****/
#if !defined( TRIANGLEAPIH )
#define TRIANGLEAPIH
#ifdef _WIN32
#pragma once
#endif
typedef enum
{
TRI_FRONT = 0,
TRI_NONE = 1,
} TRICULLSTYLE;
#define TRI_API_VERSION 1
#define TRI_TRIANGLES 0
#define TRI_TRIANGLE_FAN 1
#define TRI_QUADS 2
#define TRI_POLYGON 3
#define TRI_LINES 4
#define TRI_TRIANGLE_STRIP 5
#define TRI_QUAD_STRIP 6
typedef struct triangleapi_s
{
int version;
void ( *RenderMode )( int mode );
void ( *Begin )( int primitiveCode );
void ( *End ) ( void );
void ( *Color4f ) ( float r, float g, float b, float a );
void ( *Color4ub ) ( unsigned char r, unsigned char g, unsigned char b, unsigned char a );
void ( *TexCoord2f ) ( float u, float v );
void ( *Vertex3fv ) ( float *worldPnt );
void ( *Vertex3f ) ( float x, float y, float z );
void ( *Brightness ) ( float brightness );
void ( *CullFace ) ( TRICULLSTYLE style );
int ( *SpriteTexture ) ( struct model_s *pSpriteModel, int frame );
int ( *WorldToScreen ) ( float *world, float *screen ); // Returns 1 if it's z clipped
void ( *Fog ) ( float flFogColor[3], float flStart, float flEnd, int bOn ); //Works just like GL_FOG, flFogColor is r/g/b.
void ( *ScreenToWorld ) ( float *screen, float *world );
} triangleapi_t;
#endif // !TRIANGLEAPIH