#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;

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

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

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

-(BOOL) containsPoint:(vec3_t) pt;

- (void) freeWindings;
-removeIfInvalid;

extern vec3_t region_min, region_max;

-newRegion;

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

- (void) XYDrawSelf;
- (void) ZDrawSelf;
- (void) CameraDrawSelf;
- (void) XYRenderSelf;
- (void) CameraRenderSelf;

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

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

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

-addFace:(face_t *) f;

//
// multiple brush actions
//
- (void) carveByClipper;

extern vec3_t sb_translate;

- (void) translate;

extern id carve_in, carve_out;

- (void) select;
- (void) deselect;
- (void) remove;
- (void) flushTextures;

extern vec3_t sb_mins, sb_maxs;

- (void) addToBBox;

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

- (void) transform;

- (void) flipNormals;

-carve;
- (void) setCarveVars;

extern id sb_newowner;

- (void) moveToEntity;

- (void) takeCurrentTexture;

extern vec3_t select_min, select_max;

- (void) selectPartial;
- (void) selectComplete;
- (void) regionPartial;
- (void) regionComplete;

extern float sb_floor_dir, sb_floor_dist;

- (void) feetToFloor;

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

@end
#endif // SetBrush_h