/*
   BobToolz plugin for GtkRadiant
   Copyright (C) 2001 Gordon Biggans

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   This library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


#include "shapes.h"

#include <list>

#include "DPoint.h"
#include "DPlane.h"

#include "str.h"
#include "misc.h"
#include "funchandlers.h"

#include "iundo.h"
#include "ishaders.h"
#include "ientity.h"
#include "ieclass.h"
#include "ipatch.h"
#include "qerplugin.h"

#include <vector>
#include <list>
#include <map>
#include <algorithm>
#include <time.h>

#include "scenelib.h"
#include "texturelib.h"

//#include "dialogs-gtk.h"

/************************
    Cube Diagram
************************/

/*

        7 ----- 5
        /|    /|
       / |   / |
      /  |  /  |
    4 ----- 6  |
     |  2|_|___|8
     |  /  |   /
     | /   |  /       ----> WEST, definitely
 ||/    | /
    1|_____|/3

 */

/************************
    Global Variables
************************/

vec3_t g_Origin = {0.0f, 0.0f, 0.0f};

extern bool bFacesAll[];

/************************
    Helper Functions
************************/

float Deg2Rad( float angle ){
	return (float)( angle * Q_PI / 180 );
}

void AddFaceWithTexture( scene::Node& brush, vec3_t va, vec3_t vb, vec3_t vc, const char* texture, bool detail ){
	_QERFaceData faceData;
	FillDefaultTexture( &faceData, va, vb, vc, texture );
	if ( detail ) {
		faceData.contents |= FACE_DETAIL;
	}
	GlobalBrushCreator().Brush_addFace( brush, faceData );
}

void AddFaceWithTextureScaled( scene::Node& brush, vec3_t va, vec3_t vb, vec3_t vc,
							   const char* texture, bool bVertScale, bool bHorScale,
							   float minX, float minY, float maxX, float maxY ){
	qtexture_t* pqtTexInfo;

	// TTimo: there used to be a call to pfnHasShader here
	//   this was not necessary. In Radiant everything is shader.
	//   If a texture doesn't have a shader script, a default shader object is used.
	// The IShader object was leaking also
	// collect texture info: sizes, etc
	IShader* i = GlobalShaderSystem().getShaderForName( texture );
	pqtTexInfo = i->getTexture(); // shader width/height doesn't come out properly

	if ( pqtTexInfo ) {
		float scale[2] = {0.5f, 0.5f};
		float shift[2] = {0, 0};

		if ( bHorScale ) {
			float width = maxX - minX;

			scale[0] = width / pqtTexInfo->width;
			shift[0] = -(float)( (int)maxX % (int)width ) / scale[0];
		}

		if ( bVertScale ) {
			float height = maxY - minY;

			scale[1] = height / pqtTexInfo->height;
			shift[1] = (float)( (int)minY % (int)height ) / scale[1];
		}

		_QERFaceData addFace;
		FillDefaultTexture( &addFace, va, vb, vc, texture );
		addFace.m_texdef.scale[0] = scale[0];
		addFace.m_texdef.scale[1] = scale[1];
		addFace.m_texdef.shift[0] = shift[0];
		addFace.m_texdef.shift[1] = shift[1];

		GlobalBrushCreator().Brush_addFace( brush, addFace );
	}
	else
	{
		// shouldn't even get here, as default missing texture should be returned if
		// texture doesn't exist, but just in case
		AddFaceWithTexture( brush, va, vb, vc, texture, false );
		globalErrorStream() << "BobToolz::Invalid Texture Name-> " << texture;
	}
	// the IShader is not kept referenced, DecRef it
	i->DecRef();
}

/************************
    --Main Functions--
************************/

void Build_Wedge( int dir, vec3_t min, vec3_t max, bool bUp ){
	NodeSmartReference newBrush( GlobalBrushCreator().createBrush() );

	vec3_t v1, v2, v3, v5, v6, v7, v8;
	VectorCopy( min, v1 );
	VectorCopy( min, v2 );
	VectorCopy( min, v3 );
	VectorCopy( max, v5 );
	VectorCopy( max, v6 );
	VectorCopy( max, v7 );
	VectorCopy( max, v8 );

	v2[0] = max[0];
	v3[1] = max[1];

	v6[0] = min[0];
	v7[1] = min[1];
	v8[2] = min[2];

	if ( bUp ) {

		if ( dir != MOVE_EAST ) {
			AddFaceWithTexture( newBrush, v1, v3, v6, "textures/common/caulk", false );
		}

		if ( dir != MOVE_WEST ) {
			AddFaceWithTexture( newBrush, v7, v5, v8, "textures/common/caulk", false );
		}

		if ( dir != MOVE_NORTH ) {
			AddFaceWithTexture( newBrush, v1, v7, v2, "textures/common/caulk", false );
		}

		if ( dir != MOVE_SOUTH ) {
			AddFaceWithTexture( newBrush, v3, v8, v6, "textures/common/caulk", false );
		}

		AddFaceWithTexture( newBrush, v1, v2, v3, "textures/common/caulk", false );

		if ( dir == MOVE_EAST ) {
			AddFaceWithTexture( newBrush, v1, v3, v5, "textures/common/caulk", false );
		}

		if ( dir == MOVE_WEST ) {
			AddFaceWithTexture( newBrush, v2, v6, v8, "textures/common/caulk", false );
		}

		if ( dir == MOVE_NORTH ) {
			AddFaceWithTexture( newBrush, v1, v6, v5, "textures/common/caulk", false );
		}

		if ( dir == MOVE_SOUTH ) {
			AddFaceWithTexture( newBrush, v7, v3, v8, "textures/common/caulk", false );
		}
	}
	else
	{
		if ( dir != MOVE_WEST ) {
			AddFaceWithTexture( newBrush, v7, v5, v8, "textures/common/caulk", false );
		}

		if ( dir != MOVE_EAST ) {
			AddFaceWithTexture( newBrush, v1, v3, v6, "textures/common/caulk", false );
		}

		if ( dir != MOVE_NORTH ) {
			AddFaceWithTexture( newBrush, v3, v8, v6, "textures/common/caulk", false );
		}

		if ( dir != MOVE_SOUTH ) {
			AddFaceWithTexture( newBrush, v1, v7, v2, "textures/common/caulk", false );
		}


		AddFaceWithTexture( newBrush, v6, v5, v7, "textures/common/caulk", false );

		if ( dir == MOVE_WEST ) {
			AddFaceWithTexture( newBrush, v1, v5, v3, "textures/common/caulk", false );
		}

		if ( dir == MOVE_EAST ) {
			AddFaceWithTexture( newBrush, v2, v8, v6, "textures/common/caulk", false );
		}

		if ( dir == MOVE_NORTH ) {
			AddFaceWithTexture( newBrush, v1, v5, v6, "textures/common/caulk", false );
		}

		if ( dir == MOVE_SOUTH ) {
			AddFaceWithTexture( newBrush, v7, v8, v3, "textures/common/caulk", false );
		}
	}

	Node_getTraversable( GlobalRadiant().getMapWorldEntity() )->insert( newBrush );
}

//-----------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------

void Build_StairStep_Wedge( int dir, vec3_t min, vec3_t max, const char* mainTexture, const char* riserTexture, bool detail ){
	NodeSmartReference newBrush( GlobalBrushCreator().createBrush() );

	//----- Build Outer Bounds ---------

	vec3_t v1, v2, v3, v5, v6, v7, v8;
	VectorCopy( min, v1 );
	VectorCopy( min, v2 );
	VectorCopy( min, v3 );
	VectorCopy( max, v5 );
	VectorCopy( max, v6 );
	VectorCopy( max, v7 );
	VectorCopy( max, v8 );

	v2[0] = max[0];
	v3[1] = max[1];

	v6[0] = min[0];
	v7[1] = min[1];

	v8[2] = min[2];
	//v8 needed this time, becoz of sloping faces (2-4-6-8)

	//----------------------------------

	AddFaceWithTexture( newBrush, v6, v5, v7, mainTexture, detail );

	if ( dir != MOVE_EAST ) {
		if ( dir == MOVE_WEST ) {
			AddFaceWithTexture( newBrush, v5, v2, v7, riserTexture, detail );
		}
		else{
			AddFaceWithTexture( newBrush, v5, v2, v7, "textures/common/caulk", detail );
		}
	}

	if ( dir != MOVE_WEST ) {
		if ( dir == MOVE_EAST ) {
			AddFaceWithTexture( newBrush, v1, v3, v6, riserTexture, detail );
		}
		else{
			AddFaceWithTexture( newBrush, v1, v3, v6, "textures/common/caulk", detail );
		}
	}

	if ( dir != MOVE_NORTH ) {
		if ( dir == MOVE_SOUTH ) {
			AddFaceWithTexture( newBrush, v3, v5, v6, riserTexture, detail );
		}
		else{
			AddFaceWithTexture( newBrush, v3, v5, v6, "textures/common/caulk", detail );
		}
	}

	if ( dir != MOVE_SOUTH ) {
		if ( dir == MOVE_NORTH ) {
			AddFaceWithTexture( newBrush, v1, v7, v2, riserTexture, detail );
		}
		else{
			AddFaceWithTexture( newBrush, v1, v7, v2, "textures/common/caulk", detail );
		}
	}


	if ( dir == MOVE_EAST ) {
		AddFaceWithTexture( newBrush, v1, v5, v3, "textures/common/caulk", detail );
	}

	if ( dir == MOVE_WEST ) {
		AddFaceWithTexture( newBrush, v2, v8, v6, "textures/common/caulk", detail );
	}

	if ( dir == MOVE_NORTH ) {
		AddFaceWithTexture( newBrush, v1, v5, v6, "textures/common/caulk", detail );
	}

	if ( dir == MOVE_SOUTH ) {
		AddFaceWithTexture( newBrush, v7, v8, v3, "textures/common/caulk", detail );
	}

	Node_getTraversable( GlobalRadiant().getMapWorldEntity() )->insert( newBrush );
}

//-----------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------

// internal use only, to get a box without finishing construction
scene::Node& Build_Get_BoundingCube_Selective( vec3_t min, vec3_t max, char* texture, bool* useFaces ){
	NodeSmartReference newBrush( GlobalBrushCreator().createBrush() );

	//----- Build Outer Bounds ---------

	vec3_t v1, v2, v3, v5, v6, v7;
	VectorCopy( min, v1 );
	VectorCopy( min, v2 );
	VectorCopy( min, v3 );
	VectorCopy( max, v5 );
	VectorCopy( max, v6 );
	VectorCopy( max, v7 );

	v2[0] = max[0];
	v3[1] = max[1];

	v6[0] = min[0];
	v7[1] = min[1];

	//----------------------------------

	//----- Add Six Cube Faces ---------

	if ( useFaces[0] ) {
		AddFaceWithTexture( newBrush, v1, v2, v3, texture, false );
	}
	if ( useFaces[1] ) {
		AddFaceWithTexture( newBrush, v1, v3, v6, texture, false );
	}
	if ( useFaces[2] ) {
		AddFaceWithTexture( newBrush, v1, v7, v2, texture, false );
	}

	if ( useFaces[3] ) {
		AddFaceWithTexture( newBrush, v5, v6, v3, texture, false );
	}
	if ( useFaces[4] ) {
		AddFaceWithTexture( newBrush, v5, v2, v7, texture, false );
	}
	if ( useFaces[5] ) {
		AddFaceWithTexture( newBrush, v5, v7, v6, texture, false );
	}

	//----------------------------------

	return newBrush;
}

scene::Node& Build_Get_BoundingCube( vec3_t min, vec3_t max, char* texture ){
	return Build_Get_BoundingCube_Selective( min, max, texture, bFacesAll );
}

//-----------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------

void Build_StairStep( vec3_t min, vec3_t max, const char* mainTexture, const char* riserTexture, int direction ){
	NodeSmartReference newBrush( GlobalBrushCreator().createBrush() );

	//----- Build Outer Bounds ---------

	vec3_t v1, v2, v3, v5, v6, v7;
	VectorCopy( min, v1 );
	VectorCopy( min, v2 );
	VectorCopy( min, v3 );
	VectorCopy( max, v5 );
	VectorCopy( max, v6 );
	VectorCopy( max, v7 );

	v2[0] = max[0];
	v3[1] = max[1];

	v6[0] = min[0];
	v7[1] = min[1];

	//----------------------------------

	AddFaceWithTexture( newBrush, v6, v5, v7, mainTexture, false );
	// top gets current texture


	if ( direction == MOVE_EAST ) {
		AddFaceWithTexture( newBrush, v1, v3, v6, riserTexture, false );
	}
	else{
		AddFaceWithTexture( newBrush, v1, v3, v6, "textures/common/caulk", false );
	}
	// west facing side, etc...


	if ( direction == MOVE_NORTH ) {
		AddFaceWithTexture( newBrush, v1, v7, v2, riserTexture, false );
	}
	else{
		AddFaceWithTexture( newBrush, v1, v7, v2, "textures/common/caulk", false );
	}

	if ( direction == MOVE_SOUTH ) {
		AddFaceWithTexture( newBrush, v3, v5, v6, riserTexture, false );
	}
	else{
		AddFaceWithTexture( newBrush, v3, v5, v6, "textures/common/caulk", false );
	}

	if ( direction == MOVE_WEST ) {
		AddFaceWithTexture( newBrush, v7, v5, v2, riserTexture, false );
	}
	else{
		AddFaceWithTexture( newBrush, v7, v5, v2, "textures/common/caulk", false );
	}


	AddFaceWithTexture( newBrush, v1, v2, v3, "textures/common/caulk", false );
	// base is caulked

	Node_getTraversable( GlobalRadiant().getMapWorldEntity() )->insert( newBrush );
	// finish brush
}

//-----------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------

void BuildDoorsX2( vec3_t min, vec3_t max,
				   bool bSclMainHor, bool bSclMainVert,
				   bool bSclTrimHor, bool bSclTrimVert,
				   const char* mainTexture, const char* trimTexture,
				   int direction ){
	int xy;
	if ( direction == 0 ) {
		xy = 0;
	}
	else{
		xy = 1;
	}

	//----- Build Outer Bounds ---------

	vec3_t v1, v2, v3, v5, v6, v7, ve_1, ve_2, ve_3;
	VectorCopy( min, v1 );
	VectorCopy( min, v2 );
	VectorCopy( min, v3 );
	VectorCopy( max, v5 );
	VectorCopy( max, v6 );
	VectorCopy( max, v7 );

	v2[0] = max[0];
	v3[1] = max[1];

	v6[0] = min[0];
	v7[1] = min[1];

	float width = ( max[xy] - min[xy] ) / 2;

	if ( direction == 0 ) {
		VectorCopy( v1, ve_1 );
		VectorCopy( v3, ve_2 );
		VectorCopy( v6, ve_3 );
	}
	else
	{
		VectorCopy( v7, ve_1 );
		VectorCopy( v1, ve_2 );
		VectorCopy( v2, ve_3 );
	}

	ve_1[xy] += width;
	ve_2[xy] += width;
	ve_3[xy] += width;

	//----------------------------------

	NodeSmartReference newBrush1( GlobalBrushCreator().createBrush() );
	NodeSmartReference newBrush2( GlobalBrushCreator().createBrush() );

	AddFaceWithTexture( newBrush1, v1, v2, v3, "textures/common/caulk", false );
	AddFaceWithTexture( newBrush1, v5, v7, v6, "textures/common/caulk", false );

	AddFaceWithTexture( newBrush2, v1, v2, v3, "textures/common/caulk", false );
	AddFaceWithTexture( newBrush2, v5, v7, v6, "textures/common/caulk", false );

	if ( direction == 0 ) {
		AddFaceWithTexture( newBrush1, v1, v3, v6, "textures/common/caulk", false );
		AddFaceWithTexture( newBrush2, v5, v2, v7, "textures/common/caulk", false );
	}
	else
	{
		AddFaceWithTexture( newBrush1, v1, v7, v2, "textures/common/caulk", false );
		AddFaceWithTexture( newBrush2, v5, v6, v3, "textures/common/caulk", false );
	}

	if ( direction == 0 ) {
		AddFaceWithTextureScaled( newBrush1, v1, v7, v2, mainTexture, bSclMainVert, bSclMainHor,
								  min[0], min[2], max[0], max[2] );
		AddFaceWithTextureScaled( newBrush1, v5, v6, v3, mainTexture, bSclMainVert, bSclMainHor,
								  max[0], min[2], min[0], max[2] );


		AddFaceWithTextureScaled( newBrush2, v1, v7, v2, mainTexture, bSclMainVert, bSclMainHor,
								  min[0], min[2], max[0], max[2] );
		AddFaceWithTextureScaled( newBrush2, v5, v6, v3, mainTexture, bSclMainVert, bSclMainHor,
								  max[0], min[2], min[0], max[2] ); // flip max/min to reverse tex dir



		AddFaceWithTextureScaled( newBrush1, ve_3, ve_2, ve_1, trimTexture, bSclTrimVert, bSclTrimHor,
								  min[1], min[2], max[1], max[2] );

		AddFaceWithTextureScaled( newBrush2, ve_1, ve_2, ve_3, trimTexture, bSclTrimVert, bSclTrimHor,
								  max[1], min[2], min[1], max[2] );
	}
	else
	{
		AddFaceWithTextureScaled( newBrush1, v1, v3, v6, mainTexture, bSclMainVert, bSclMainHor,
								  min[1], min[2], max[1], max[2] );
		AddFaceWithTextureScaled( newBrush1, v5, v2, v7, mainTexture, bSclMainVert, bSclMainHor,
								  max[1], min[2], min[1], max[2] );


		AddFaceWithTextureScaled( newBrush2, v1, v3, v6, mainTexture, bSclMainVert, bSclMainHor,
								  min[1], min[2], max[1], max[2] );
		AddFaceWithTextureScaled( newBrush2, v5, v2, v7, mainTexture, bSclMainVert, bSclMainHor,
								  max[1], min[2], min[1], max[2] ); // flip max/min to reverse tex dir


		AddFaceWithTextureScaled( newBrush1, ve_1, ve_2, ve_3, trimTexture, bSclTrimVert, bSclTrimHor,
								  min[0], min[2], max[0], max[2] );

		AddFaceWithTextureScaled( newBrush2, ve_3, ve_2, ve_1, trimTexture, bSclTrimVert, bSclTrimHor,
								  max[0], min[2], min[0], max[2] );
	}

	//----------------------------------


	EntityClass* doorClass = GlobalEntityClassManager().findOrInsert( "func_door", true );
	NodeSmartReference pEDoor1( GlobalEntityCreator().createEntity( doorClass ) );
	NodeSmartReference pEDoor2( GlobalEntityCreator().createEntity( doorClass ) );

	if ( direction == 0 ) {
		Node_getEntity( pEDoor1 )->setKeyValue( "angle", "180" );
		Node_getEntity( pEDoor2 )->setKeyValue( "angle", "360" );
	}
	else
	{
		Node_getEntity( pEDoor1 )->setKeyValue( "angle", "270" );
		Node_getEntity( pEDoor2 )->setKeyValue( "angle", "90" );
	}

	srand( (unsigned)time( NULL ) );

	char teamname[256];
	sprintf( teamname, "t%i", rand() );
	Node_getEntity( pEDoor1 )->setKeyValue( "team", teamname );
	Node_getEntity( pEDoor2 )->setKeyValue( "team", teamname );

	Node_getTraversable( pEDoor1 )->insert( newBrush1 );
	Node_getTraversable( pEDoor2 )->insert( newBrush2 );

	Node_getTraversable( GlobalSceneGraph().root() )->insert( pEDoor1 );
	Node_getTraversable( GlobalSceneGraph().root() )->insert( pEDoor2 );

//	ResetCurrentTexture();
}

//-----------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------

void MakeBevel( vec3_t vMin, vec3_t vMax ){
	NodeSmartReference patch( GlobalPatchCreator().createPatch() );
	GlobalPatchCreator().Patch_resize( patch, 3, 3 );
	GlobalPatchCreator().Patch_setShader( patch, "textures/common/caulk" );
	PatchControlMatrix matrix = GlobalPatchCreator().Patch_getControlPoints( patch );
	vec3_t x_3, y_3, z_3;
	x_3[0] = vMin[0];   x_3[1] = vMin[0];               x_3[2] = vMax[0];
	y_3[0] = vMin[1];   y_3[1] = vMax[1];               y_3[2] = vMax[1];
	z_3[0] = vMin[2];   z_3[1] = ( vMax[2] + vMin[2] ) / 2; z_3[2] = vMax[2];
	/*
	   x_3[0] = 0;		x_3[1] = 0;		x_3[2] = 64;
	   y_3[0] = 0;		y_3[1] = 64;	y_3[2] = 64;
	   z_3[0] = 0;		z_3[1] = 32;	z_3[2] = 64;*/
	for ( int i = 0; i < 3; i++ )
	{
		for ( int j = 0; j < 3; j++ )
		{
			PatchControl& p = matrix( i, j );
			p.m_vertex[0] = x_3[i];
			p.m_vertex[1] = y_3[i];
			p.m_vertex[2] = z_3[j];
		}
	}
	//does invert the matrix, else the patch face is on wrong side.
	for ( int i = 0 ; i < 3 ; i++ )
	{
		for ( int j = 0; j < 1; j++ )
		{
			PatchControl& p = matrix( i,2 - j );
			PatchControl& q = matrix( i, j );
			std::swap( p.m_vertex, q.m_vertex );
			//std::swap(p.m_texcoord, q.m_texcoord);
		}
	}
	GlobalPatchCreator().Patch_controlPointsChanged( patch );
	//TODO - the patch has textures weird, patchmanip.h has all function it needs.. lots of duplicate code..
	//NaturalTexture(patch);
	Node_getTraversable( GlobalRadiant().getMapWorldEntity() )->insert( patch );
}

void BuildCornerStairs( vec3_t vMin, vec3_t vMax, int nSteps, const char* mainTexture, const char* riserTex ){
	vec3_t* topPoints = new vec3_t[nSteps + 1];
	vec3_t* botPoints = new vec3_t[nSteps + 1];

	//bool bFacesUse[6] = {true, true, false, true, false, false};

	vec3_t centre;
	VectorCopy( vMin, centre );
	centre[0] = vMax[0];

	int height = (int)( vMax[2] - vMin[2] ) / nSteps;

	vec3_t vTop, vBot;
	VectorCopy( vMax, vTop );
	VectorCopy( vMin, vBot );
	vTop[2] = vMin[2] + height;

	int i;
	for ( i = 0; i <= nSteps; i++ )
	{
		VectorCopy( centre, topPoints[i] );
		VectorCopy( centre, botPoints[i] );

		topPoints[i][2] = vMax[2];
		botPoints[i][2] = vMin[2];

		topPoints[i][0] -= 10 * sinf( Q_PI * i / ( 2 * nSteps ) );
		topPoints[i][1] += 10 * cosf( Q_PI * i / ( 2 * nSteps ) );

		botPoints[i][0] = topPoints[i][0];
		botPoints[i][1] = topPoints[i][1];
	}

	vec3_t tp[3];
	for ( int j = 0; j < 3; j++ )
		VectorCopy( topPoints[j], tp[j] );

	for ( i = 0; i < nSteps; i++ )
	{
		NodeSmartReference brush( GlobalBrushCreator().createBrush() );
		vec3_t v1, v2, v3, v5, v6, v7;
		VectorCopy( vBot, v1 );
		VectorCopy( vBot, v2 );
		VectorCopy( vBot, v3 );
		VectorCopy( vTop, v5 );
		VectorCopy( vTop, v6 );
		VectorCopy( vTop, v7 );

		v2[0] = vTop[0];
		v3[1] = vTop[1];

		v6[0] = vBot[0];
		v7[1] = vBot[1];

		AddFaceWithTexture( brush, v1, v2, v3, "textures/common/caulk", false );
		AddFaceWithTexture( brush, v1, v3, v6, "textures/common/caulk", false );
		AddFaceWithTexture( brush, v5, v6, v3, "textures/common/caulk", false );

		for ( int j = 0; j < 3; j++ )
			tp[j][2] = vTop[2];

		AddFaceWithTexture( brush, tp[2], tp[1], tp[0], mainTexture, false );

		AddFaceWithTexture( brush, centre, botPoints[i + 1], topPoints[i + 1], "textures/common/caulk", false );
		AddFaceWithTexture( brush, centre, topPoints[i], botPoints[i], riserTex, false );

		Node_getTraversable( GlobalRadiant().getMapWorldEntity() )->insert( brush );

		vTop[2] += height;
		vBot[2] += height;
	}

	delete[] topPoints;
	delete[] botPoints;

	vMin[2] += height;
	vMax[2] += height;
	MakeBevel( vMin, vMax );
}