code/renderercommon/tr_types.h - sourcetech - noire-dev/SourceTech

code/renderercommon/tr_types.h
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02 ноя 2025, 11:48
02 ноя 2025, 11:4852cc21d
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code 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.

Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
//
#ifndef __TR_TYPES_H
#define __TR_TYPES_H

#define MAX_VIDEO_HANDLES	16
#define	MAX_DLIGHTS			512	// can't be increased, because bit flags are used on surfaces

// renderfx flags
#define	RF_THIRD_PERSON		1		// don't draw through eyes, only mirrors (player bodies, chat sprites)
#define	RF_FIRST_PERSON		2		// only draw through eyes (view weapon, damage blood blob)
#define	RF_DEPTHHACK		4		// for view weapon Z crunching
#define RF_LIGHTING_ORIGIN	8		// use refEntity->lightingOrigin instead of refEntity->origin
#define	RF_WRAP_FRAMES		16		// mod the model frames by the maxframes to allow continuous animation without needing to know the frame count
#define RF_CROSSHAIR		32

// refdef flags
#define RDF_NOWORLDMODEL	1		// used for player configuration screen

typedef struct {
	vec3_t		xyz;
	float		st[2];
	color4ub_t	modulate;
} polyVert_t;

typedef struct poly_s {
	qhandle_t			hShader;
	int					numVerts;
	polyVert_t			*verts;
} poly_t;

typedef enum {
	RT_MODEL,
	RT_POLY,
	RT_SPRITE,
	RT_BEAM,
	RT_RAIL_CORE,
	RT_RAIL_RINGS,
	RT_LIGHTNING,
	RT_PORTALSURFACE,		// doesn't draw anything, just info for portals

	RT_MAX_REF_ENTITY_TYPE
} refEntityType_t;

typedef struct {
	refEntityType_t	reType;
	int			renderfx;

	qhandle_t	hModel;				// opaque type outside refresh

	// most recent data
	vec3_t		lightingOrigin;		// so multi-part models can be lit identically (RF_LIGHTING_ORIGIN)

	vec3_t		axis[3];			// rotation vectors
	qboolean	nonNormalizedAxes;	// axis are not normalized, i.e. they have scale
	float		origin[3];			// also used as MODEL_BEAM's "from"
	int			frame;				// also used as MODEL_BEAM's diameter

	// previous data for frame interpolation
	float		oldorigin[3];		// also used as MODEL_BEAM's "to"
	int			oldframe;
	float		backlerp;			// 0.0 = current, 1.0 = old

	// texturing
	int			skinNum;			// inline skin index
	qhandle_t	customSkin;			// NULL for default skin
	qhandle_t	customShader;		// use one image for the entire thing

	// misc
	color4ub_t	shader;
	float		shaderTexCoord[2];	// texture coordinates used by tcMod entity modifiers

	// subtracted from refdef time to control effect start times
	floatint_t	shaderTime;			// -EC- set to union

	// extra sprite information
	float		radius;
	float		rotation;
} refEntity_t;


#define	MAX_RENDER_STRINGS			8
#define	MAX_RENDER_STRING_LENGTH	32

typedef struct {
	int			x, y, width, height;
	float		fov_x, fov_y;
	vec3_t		vieworg;
	vec3_t		viewaxis[3];		// transformation matrix

	// time in milliseconds for shader effects and other time dependent rendering issues
	int			time;

	int			rdflags;			// RDF_NOWORLDMODEL, etc

	// 1 bits will prevent the associated area from rendering at all
	byte		areamask[MAX_MAP_AREA_BYTES];

	// text messages for deform text shaders
	char		text[MAX_RENDER_STRINGS][MAX_RENDER_STRING_LENGTH];
} refdef_t;

/*
** glconfig_t
**
** Contains variables specific to the OpenGL configuration
** being run right now.  These are constant once the OpenGL
** subsystem is initialized.
*/
typedef enum {
	TC_NONE,
	TC_S3TC,  // this is for the GL_S3_s3tc extension.
	TC_S3TC_ARB  // this is for the GL_EXT_texture_compression_s3tc extension.
} textureCompression_t;

typedef struct {
	char					renderer_string[MAX_STRING_CHARS];
	char					vendor_string[MAX_STRING_CHARS];
	char					version_string[MAX_STRING_CHARS];
	char					extensions_string[BIG_INFO_STRING];

	int						maxTextureSize;
	int						numTextureUnits;

	int						colorBits, depthBits, stencilBits;

	qboolean				deviceSupportsGamma;
	textureCompression_t	textureCompression;
	qboolean				textureEnvAddAvailable;

	int						vidWidth, vidHeight;
	float					windowAspect;
	int						displayFrequency;

	qboolean				isFullscreen;
} glconfig_t;

#define	myftol(x) ((int)(x))

#if defined(_WIN32)
#define OPENGL_DRIVER_NAME	"opengl32"
#elif defined(MACOS_X)
#define OPENGL_DRIVER_NAME	"/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib"
#else
#define OPENGL_DRIVER_NAME	"libGL.so.1"
#endif

#endif	// __TR_TYPES_H