/*
===========================================================================
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 __QFILES_H__
#define __QFILES_H__

//
// qfiles.h: quake file formats
// This file must be identical in the quake and utils directories
//

//Ignore __attribute__ on non-gcc platforms
#ifndef __GNUC__
#ifndef __attribute__
#define __attribute__(x)
#endif
#endif

// surface geometry should not exceed these limits
#define	SHADER_MAX_VERTEXES		2048 // 1000 su44: I've increased it a bit...
#define	SHADER_MAX_INDEXES		(6*SHADER_MAX_VERTEXES)
#define	SHADER_MAX_TRIANGLES	(2*SHADER_MAX_VERTEXES)

// the maximum size of game relative pathnames
#define	MAX_QPATH		64

/*
========================================================================

.MD3 triangle model file format

========================================================================
*/

#define MD3_IDENT			(('3'<<24)+('P'<<16)+('D'<<8)+'I')
#define MD3_VERSION			15

// limits
#define MD3_MAX_LODS		3
#define	MD3_MAX_TRIANGLES	8192	// per surface
#define MD3_MAX_VERTS		4096	// per surface
#define MD3_MAX_SHADERS		256		// per surface
#define MD3_MAX_FRAMES		1024	// per model
#define	MD3_MAX_SURFACES	32		// per model
#define MD3_MAX_TAGS		16		// per frame

// vertex scales
#define	MD3_XYZ_SCALE		(1.0/64)

typedef struct md3Frame_s {
	vec3_t		bounds[2];
	vec3_t		localOrigin;
	float		radius;
	char		name[16];
} md3Frame_t;

typedef struct md3Tag_s {
	char		name[MAX_QPATH];	// tag name
	vec3_t		origin;
	vec3_t		axis[3];
} md3Tag_t;

/*
** md3Surface_t
**
** CHUNK			SIZE
** header			sizeof( md3Surface_t )
** shaders			sizeof( md3Shader_t ) * numShaders
** triangles[0]		sizeof( md3Triangle_t ) * numTriangles
** st				sizeof( md3St_t ) * numVerts
** XyzNormals		sizeof( md3XyzNormal_t ) * numVerts * numFrames
*/
typedef struct {
	int		ident;				//

	char	name[MAX_QPATH];	// polyset name

	int		flags;
	int		numFrames;			// all surfaces in a model should have the same

	int		numShaders;			// all surfaces in a model should have the same
	int		numVerts;

	int		numTriangles;
	int		ofsTriangles;

	int		ofsShaders;			// offset from start of md3Surface_t
	int		ofsSt;				// texture coords are common for all frames
	int		ofsXyzNormals;		// numVerts * numFrames

	int		ofsEnd;				// next surface follows
} md3Surface_t;

typedef struct {
	char			name[MAX_QPATH];
	int				shaderIndex;	// for in-game use
} md3Shader_t;

typedef struct {
	int			indexes[3];
} md3Triangle_t;

typedef struct {
	float		st[2];
} md3St_t;

typedef struct {
	short		xyz[3];
	short		normal;
} md3XyzNormal_t;

typedef struct {
	int			ident;
	int			version;

	char		name[MAX_QPATH];	// model name

	int			flags;

	int			numFrames;
	int			numTags;
	int			numSurfaces;

	int			numSkins;

	int			ofsFrames;			// offset for first frame
	int			ofsTags;			// numFrames * numTags
	int			ofsSurfaces;		// first surface, others follow

	int			ofsEnd;				// end of file
} md3Header_t;


/*
==============================================================================

  .BSP file format

==============================================================================
*/


#define BSP_IDENT	(('5'<<24)+('1'<<16)+('0'<<8)+'2')
		// little-endian "2015"

#define BSP_VERSION			19	// vanilla Allied Assault


// there shouldn't be any problem with increasing these values at the
// expense of more memory allocation in the utilities
#define	MAX_MAP_MODELS		0x400
#define	MAX_MAP_BRUSHES		0x8000
#define	MAX_MAP_ENTITIES	0x2000		// 0x800 // su44: increased for t2l1.map
#define	MAX_MAP_ENTSTRING	0x100000	//0x40000 // su44: increased for t2l1.map
#define	MAX_MAP_SHADERS		0x400

#define	MAX_MAP_AREAS		0x100	// MAX_MAP_AREA_BYTES in q_shared must match!
#define	MAX_MAP_FOGS		0x100
#define	MAX_MAP_PLANES		0x20000
#define	MAX_MAP_NODES		0x20000
#define	MAX_MAP_BRUSHSIDES	0x20000
#define	MAX_MAP_LEAFS		0x20000
#define	MAX_MAP_LEAFFACES	0x20000
#define	MAX_MAP_LEAFBRUSHES 0x40000
#define	MAX_MAP_PORTALS		0x20000
#define	MAX_MAP_LIGHTING	0x800000
#define	MAX_MAP_LIGHTGRID	0x800000
#define	MAX_MAP_VISIBILITY	0x200000

#define	MAX_MAP_DRAW_SURFS	0x20000
#define	MAX_MAP_DRAW_VERTS	0x80000
#define	MAX_MAP_DRAW_INDEXES	0x80000


// key / value pair sizes in the entities lump
#define	MAX_KEY				32
#define	MAX_VALUE			1024

// the editor uses these predefined yaw angles to orient entities up or down
#define	ANGLE_UP			-1
#define	ANGLE_DOWN			-2

#define	LIGHTMAP_WIDTH		128
#define	LIGHTMAP_HEIGHT		128
#define	LIGHTMAP_SIZE		128	// IneQuation: moved it here, MUST MATCH THE FORMER TWO

#define MAX_WORLD_COORD		( 128*1024 )
#define MIN_WORLD_COORD		( -128*1024 )
#define WORLD_SIZE			( MAX_WORLD_COORD - MIN_WORLD_COORD )

//=============================================================================


typedef struct {
	int		fileofs, filelen;
} lump_t;

// new lump defines. lump numbers are different in mohaa
#define LUMP_SHADERS			0
#define LUMP_PLANES				1
#define LUMP_LIGHTMAPS			2
#define LUMP_SURFACES			3
#define LUMP_DRAWVERTS			4
#define LUMP_DRAWINDEXES		5
#define LUMP_LEAFBRUSHES		6
#define LUMP_LEAFSURFACES		7
#define LUMP_LEAFS				8
#define LUMP_NODES				9
#define LUMP_SIDEEQUATIONS		10
#define LUMP_BRUSHSIDES			11
#define LUMP_BRUSHES			12
/*
// FOG seems to be handled differently in MOHAA - no fog lump found yet
#define LUMP_FOGS				0
*/
#define LUMP_MODELS				13
#define LUMP_ENTITIES			14
#define LUMP_VISIBILITY			15
#define LUMP_LIGHTGRIDPALETTE	16
#define LUMP_LIGHTGRIDOFFSETS	17
#define LUMP_LIGHTGRIDDATA		18
#define LUMP_SPHERELIGHTS		19
#define LUMP_SPHERELIGHTVIS		20
#define LUMP_LIGHTDEFS			21
#define LUMP_TERRAIN			22
#define LUMP_TERRAININDEXES		23
#define LUMP_STATICMODELDATA	24
#define LUMP_STATICMODELDEF		25
#define LUMP_STATICMODELINDEXES	26
#define LUMP_DUMMY10			27

#define	HEADER_LUMPS		28

typedef struct {
	int			ident;
	int			version;
	int			dummy;

	lump_t		lumps[HEADER_LUMPS];
} dheader_t;

typedef struct {
	float		mins[3], maxs[3];
	int			firstSurface, numSurfaces;
	int			firstBrush, numBrushes;
} dmodel_t;

typedef struct {
	char		shader[MAX_QPATH];
	int			surfaceFlags;
	int			contentFlags;
	int			subdivisions;
	char		fenceMaskImage[MAX_QPATH];
} dshader_t;

// planes x^1 is allways the opposite of plane x

typedef struct {
	float		normal[3];
	float		dist;
} dplane_t;

typedef struct {
	int			planeNum;
	int			children[2];	// negative numbers are -(leafs+1), not nodes
	int			mins[3];		// for frustom culling
	int			maxs[3];
} dnode_t;

typedef struct {
	int			cluster;			// -1 = opaque cluster (do I still store these?)
	int			area;

	int			mins[3];			// for frustum culling
	int			maxs[3];

	int			firstLeafSurface;
	int			numLeafSurfaces;

	int			firstLeafBrush;
	int			numLeafBrushes;

	//added for mohaa
	int			dummy1;
	int			dummy2;
	int			firstStaticModel;
	int			numStaticModels;
} dleaf_t;

// su44: It seems that sideEquations 
// are somehow related to fencemasks...
// MoHAA loads them only in CM (CM_LoadMap).
typedef struct {
  float fSeq[4];
  float fTeq[4];
} dsideEquation_t;

typedef struct {
	int			planeNum;			// positive plane side faces out of the leaf
	int			shaderNum;

	//added for mohaa
	int			equationNum; // su44: that's a dsideEquation_t index
} dbrushside_t;

typedef struct {
	int			firstSide;
	int			numSides;
	int			shaderNum;		// the shader that determines the contents flags
} dbrush_t;

typedef struct {
	char		shader[MAX_QPATH];
	int			brushNum;
	int			visibleSide;	// the brush side that ray tests need to clip against (-1 == none)
} dfog_t;

typedef struct {
	vec3_t		xyz;
	float		st[2];
	float		lightmap[2];
	vec3_t		normal;
	byte		color[4];
} drawVert_t;

#define drawVert_t_cleared(x) drawVert_t (x) = {{0, 0, 0}, {0, 0}, {0, 0}, {0, 0, 0}, {0, 0, 0, 0}}

typedef enum {
	MST_BAD,
	MST_PLANAR,
	MST_PATCH,
	MST_TRIANGLE_SOUP,
	MST_FLARE
} mapSurfaceType_t;

typedef struct {
	int			shaderNum;
	int			fogNum;
	int			surfaceType;

	int			firstVert;
	int			numVerts;

	int			firstIndex;
	int			numIndexes;

	int			lightmapNum;
	int			lightmapX, lightmapY;
	int			lightmapWidth, lightmapHeight;

	vec3_t		lightmapOrigin;
	vec3_t		lightmapVecs[3];	// for patches, [0] and [1] are lodbounds

	int			patchWidth;
	int			patchHeight;

	//added for mohaa
	float		dummy;
} dsurface_t;

// IneQuation was here
typedef struct dterPatch_s {
	byte			flags;
	byte			scale;
	byte			lmCoords[2];
	float			texCoords[8];
	char			x;
	char			y;
	short			baseZ;
	unsigned short	shader;
	short			lightmap;
	short			dummy[4];
	short			vertFlags[2][63];
	byte			heightmap[9][9];
} dterPatch_t;

// su44 was here
typedef struct dstaticModel_s {
	char model[128];
	vec3_t origin;
	vec3_t angles;
	float scale;
	int firstVertexData;
	short numVertexData;
} dstaticModel_t;

typedef struct {
	float origin[3];
	float color[3];
	float intensity;
	int leaf;
	qboolean needs_trace;
	qboolean spot_light;
	float spot_dir[3];
	float spot_radiusbydistance;
} dspherel_t;

typedef struct {
	float origin[3];
	float axis[3];
	int bounds[3];
} dlightGrid_t;

typedef struct {
	int lightIntensity;
	int lightAngle;
	int lightmapResolution;
	qboolean twoSided;
	qboolean lightLinear;
	vec3_t lightColor;
	float lightFalloff;
	float backsplashFraction;
	float backsplashDistance;
	float lightSubdivide;
	qboolean autosprite;
} dlightdef_t;

#endif