
//**************************************************************************
//**
//** xddefs.h : Heretic 2 : Raven Software, Corp.
//**
//** $RCSfile: xddefs.h,v $
//** $Revision: 1.4 $
//** $Date: 95/08/11 10:22:08 $
//** $Author: bgokey $
//**
//**************************************************************************

#ifndef __XDDEFS__
#define __XDDEFS__

#ifndef __BYTEBOOL__
#define __BYTEBOOL__
typedef enum {false, true} boolean;
typedef unsigned char byte;
#endif

//--------------------------------------------------------------------------
//
// Map level types
//
//--------------------------------------------------------------------------

// lump order in a map wad
enum
{
	ML_LABEL,
	ML_THINGS,
	ML_LINEDEFS,
	ML_SIDEDEFS,
	ML_VERTEXES,
	ML_SEGS,
	ML_SSECTORS,
	ML_NODES,
	ML_SECTORS,
	ML_REJECT,
	ML_BLOCKMAP,
	ML_BEHAVIOR
};

typedef struct
{
	short x;
	short y;
} mapvertex_t;

typedef struct
{
	short textureoffset;
	short rowoffset;
	char toptexture[8];
	char bottomtexture[8];
	char midtexture[8];
	short sector; // on viewer's side
} mapsidedef_t;

typedef struct
{
	short v1;
	short v2;
	short flags;
	byte special;
	byte arg1;
	byte arg2;
	byte arg3;
	byte arg4;
	byte arg5;
	short sidenum[2]; // sidenum[1] will be -1 if one sided
} maplinedef_t;

#define	ML_BLOCKING			0x0001
#define	ML_BLOCKMONSTERS	0x0002
#define	ML_TWOSIDED			0x0004
#define	ML_DONTPEGTOP		0x0008
#define	ML_DONTPEGBOTTOM	0x0010
#define ML_SECRET			0x0020	// don't map as two sided: IT'S A SECRET!
#define ML_SOUNDBLOCK		0x0040	// don't let sound cross two of these
#define	ML_DONTDRAW			0x0080	// don't draw on the automap
#define	ML_MAPPED			0x0100	// set if already drawn in automap
#define ML_REPEAT_SPECIAL	0x0200	// special is repeatable
#define ML_SPAC_SHIFT		10
#define ML_SPAC_MASK		0x1c00
#define GET_SPAC(flags) ((flags&ML_SPAC_MASK)>>ML_SPAC_SHIFT)

// Special activation types
#define SPAC_CROSS		0	// when player crosses line
#define SPAC_USE		1	// when player uses line
#define SPAC_MCROSS		2	// when monster crosses line
#define SPAC_IMPACT		3	// when projectile hits line
#define SPAC_PUSH		4	// when player/monster pushes line
#define SPAC_PCROSS		5	// when projectile crosses line

typedef	struct
{
	short floorheight;
	short ceilingheight;
	char floorpic[8];
	char ceilingpic[8];
	short lightlevel;
	short special;
	short tag;
} mapsector_t;

typedef struct
{
	short numsegs;
	short firstseg; // segs are stored sequentially
} mapsubsector_t;

typedef struct
{
	short v1;
	short v2;
	short angle;
	short linedef;
	short side;
	short offset;
} mapseg_t;

enum
{ // bbox coordinates
	BOXTOP,
	BOXBOTTOM,
	BOXLEFT,
	BOXRIGHT
};

#define	NF_SUBSECTOR	0x8000
typedef struct
{
	short		x,y,dx,dy;			// partition line
	short		bbox[2][4];			// bounding box for each child
	unsigned short	children[2];		// if NF_SUBSECTOR its a subsector
} mapnode_t;

typedef struct
{
	short tid;
	short x;
	short y;
	short height;
	short angle;
	short type;
	short options;
	byte special;
	byte arg1;
	byte arg2;
	byte arg3;
	byte arg4;
	byte arg5;
} mapthing_t;

#define MTF_EASY		1
#define MTF_NORMAL		2
#define MTF_HARD		4
#define MTF_AMBUSH		8
#define MTF_DORMANT		16
#define MTF_FIGHTER		32
#define MTF_CLERIC		64
#define MTF_MAGE		128
#define MTF_GSINGLE		256
#define MTF_GCOOP		512
#define MTF_GDEATHMATCH	1024

//--------------------------------------------------------------------------
//
// Texture definition
//
//--------------------------------------------------------------------------

typedef struct
{
	short	originx;
	short	originy;
	short	patch;
	short	stepdir;
	short	colormap;
} mappatch_t;

typedef struct
{
	char		name[8];
	boolean		masked;	
	short		width;
	short		height;
	void		**columndirectory;	// OBSOLETE
	short		patchcount;
	mappatch_t	patches[1];
} maptexture_t;

//--------------------------------------------------------------------------
//
// Graphics
//
//--------------------------------------------------------------------------

// posts are runs of non masked source pixels
typedef struct
{
	byte		topdelta;		// -1 is the last post in a column
	byte		length;
// length data bytes follows
} post_t;

// column_t is a list of 0 or more post_t, (byte)-1 terminated
typedef post_t	column_t;

// a patch holds one or more columns
// patches are used for sprites and all masked pictures
typedef struct
{
	short		width;				// bounding box size
	short		height;
	short		leftoffset;			// pixels to the left of origin
	short		topoffset;			// pixels below the origin
	int			columnofs[8];		// only [width] used
									// the [0] is &columnofs[width]
} patch_t;

// a pic is an unmasked block of pixels
typedef struct
{
	byte		width,height;
	byte		data;
} pic_t;

#endif // __XDDEFS__
