#ifndef SetBrush_h
#define SetBrush_h

#include <AppKit/AppKit.h>

#include "QF/mathlib.h"

#include "TexturePalette.h"

#define		MAX_FACES		16

typedef struct {
	int         numpoints;
	vec5_t      points[8];				// variable sized
} winding_t;

#define MAX_POINTS_ON_WINDING	64

typedef struct {
	vec3_t      normal;
	float       dist;
} plane_t;

typedef struct {
// implicit rep
	vec3_t      planepts[3];
	texturedef_t texture;

// cached rep
	plane_t     plane;
	qtexture_t *qtexture;
	float       light;					// 0 - 1.0
	winding_t  *w;
} face_t;

#define	ON_EPSILON		0.1
#define	FP_EPSILON		0.01
#define	VECTOR_EPSILON	0.0001

#define	SIDE_FRONT		0
#define	SIDE_BACK		1
#define	SIDE_ON			2


winding_t  *ClipWinding (winding_t * in, plane_t *split);
winding_t  *CopyWinding (winding_t * w);
winding_t  *NewWinding (int points);


@interface SetBrush:NSObject
{
	BOOL        regioned;				// not active
	BOOL        selected;

	BOOL        invalid;				// not a proper polyhedron

	id          parent;					// the entity this brush is in
	vec3_t      bmins, bmaxs;
	vec3_t      entitycolor;
	int         numfaces;
	face_t      faces[MAX_FACES];
}

-initOwner:own mins:(float *)mins maxs:(float *)maxs
			texture:(texturedef_t *)tex;

-initFromScript:(struct script_s *)script owner:own;

-setMins:(float *)mins maxs:(float *)maxs;

-parent;
-setParent:(id) p;

-setEntityColor:(vec3_t) color;

-calcWindings;

-writeToFILE:(FILE *)f region:(BOOL)reg;

-(BOOL) selected;
-(BOOL) regioned;
-setSelected:(BOOL) s;
-setRegioned:(BOOL) s;

-getMins:(vec3_t)mins maxs:(vec3_t)maxs;

-(BOOL) containsPoint:(vec3_t) pt;

-freeWindings;
-removeIfInvalid;

extern vec3_t region_min, region_max;

-newRegion;

-(texturedef_t *) texturedef;
-(texturedef_t *) texturedefForFace:(int) f;
-setTexturedef:(texturedef_t *) tex;
-setTexturedef:(texturedef_t *) tex forFace:(int) f;

-XYDrawSelf;
-ZDrawSelf;
-CameraDrawSelf;
-XYRenderSelf;
-CameraRenderSelf;

-hitByRay: (vec3_t) p1: (vec3_t) p2: (float *) time:(int *) face;

//
// single brush actions
//
extern int numcontrolpoints;
extern float *controlpoints[MAX_FACES * 3];

-getZdragface:(vec3_t) dragpoint;
-getXYdragface:(vec3_t) dragpoint;
-getXYShearPoints:(vec3_t) dragpoint;

-addFace:(face_t *) f;

//
// multiple brush actions
//
-carveByClipper;

extern vec3_t sb_translate;

-translate;

extern id carve_in, carve_out;

-select;
-deselect;
-remove;
-flushTextures;

extern vec3_t sb_mins, sb_maxs;

-addToBBox;

extern vec3_t sel_x, sel_y, sel_z;
extern vec3_t sel_org;

-transform;

-flipNormals;

-carve;
-setCarveVars;

extern id sb_newowner;

-moveToEntity;

-takeCurrentTexture;

extern vec3_t select_min, select_max;

-selectPartial;
-selectComplete;
-regionPartial;
-regionComplete;

extern float sb_floor_dir, sb_floor_dist;

-feetToFloor;

-(int) getNumBrushFaces;
-(face_t *) getBrushFace:(int) which;

@end
#endif // SetBrush_h