/***********************************************************************************************************************
*
* Copyright (c) 2010 - 2025 by Tech Soft 3D, Inc.
* The information contained herein is confidential and proprietary to Tech Soft 3D, Inc., and considered a trade secret
* as defined under civil and criminal statutes. Tech Soft 3D shall pursue its civil and criminal remedies in the event
* of unauthorized use or misappropriation of its trade secrets. Use of this information by anyone other than authorized 
* employees of Tech Soft 3D, Inc. is granted only under a written non-disclosure agreement, expressly prescribing the 
* scope and manner of such use.
*
***********************************************************************************************************************/
/**
* Sample CreatePRCCubes
* file CreateTessellatedCubes.cpp
* This file is containing the data and function used to create PRC Tessellation.
*
* fillCubeTessBaseData is filling the structure A3DTessBaseData
* A3DTessBaseData is the structure containing the coordinates of the tessellation.
*
* fillCubeTessData is filling the structure A3DTess3DData
* A3DTess3DData is the structure describing the coordinates from A3DTessBaseData
* It contains indexes of vertex coordinates, wire frames coordinates, normals and textures coordinates.
*
*
***********************************************************************************************************************/
#pragma once

#include "CreatePRCCubesDef.h"

//######################################################################################################################
//Cube tessellation data

static A3DDouble stCubePoints[24] = {
    -1, -1,  1,
     1, -1,  1,
    -1,  1,  1,
     1,  1,  1,
    -1,  1, -1,
     1,  1, -1,
    -1, -1, -1,
     1, -1, -1
};

static A3DDouble stCubeNormals[18] = {
     1.,  0.,  0.,
    -1.,  0.,  0.,
     0.,  1.,  0.,
     0., -1.,  0.,
     0.,  0.,  1.,
     0.,  0., -1.
};

static A3DDouble stCubeUV[8] = {
    0.0, 0.0,
    1.0, 0.0,
    0.0, 1.0,
    1.0, 1.0
    // U    V
};

#define ADD_FACE_COLOR


static A3DUns32 stCubeFacesNormalPTrianglesUV[72] =
{
    //72 buffer count
//  N,  P,  N,  P,   N,   P,   N,   P,   N,   P,   N,   P
    12, 0,  12, 3,  12, 6,  12, 6,  12, 3,  12, 9, // Face 0
    6,  6,  6,  9,  6,  12, 6,  12, 6,  9,  6,  15, // Face 1
    15, 12, 15, 15, 15, 18, 15, 18, 15, 15, 15, 21, // ....
    9,  18, 9,  21, 9,  0,  9,  0,  9,  21, 9,  3,
    0,  3,  0,  21, 0,  9,  0,  9,  0,  21, 0,  15,
    3,  18, 3,  0,  3,  12, 3,  12, 3,  0,  3,  6, // Face N
};

// N = normal index
// U = UV index
// P = point coordinates index
static A3DUns32 stTexturedCubeFacesNormalPTrianglesUV[108] = {
    12, 0, 0, 12, 2, 3, 12, 4, 6, 12, 4, 6, 12, 2, 3, 12, 6, 9,		//Face0
    6, 0, 6, 6, 2, 9, 6, 4, 12, 6, 4, 12, 6, 2, 9, 6, 6, 15,		//Face1
    15, 6, 12, 15, 4, 15, 15, 2, 18, 15, 2, 18, 15, 4, 15, 15, 0, 21,	//....
    9, 0, 18, 9, 2, 21, 9, 4, 0, 9, 4, 0, 9, 2, 21, 9, 6, 3,
    0, 0, 3, 0, 2, 21, 0, 4, 9, 0, 4, 9, 0, 2, 21, 0, 6, 15,
    3, 0, 18, 3, 2, 0, 3, 4, 12, 3, 4, 12, 3, 2, 0, 3, 6, 6		//FaceN
    /*
    N,U,P		N,U,P		N,U,P		N,U,P		N,U,P		N,U,P		Face 0
    \		first triangle		/		\		second triangle		 /
    N,U,P		N,U,P		N,U,P		N,U,P		N,U,P		N,U,P		Face 1
    N,U,P		N,U,P		N,U,P		N,U,P		N,U,P		N,U,P		Face 2
    N,U,P		N,U,P		N,U,P		N,U,P		N,U,P		N,U,P		...
    N,U,P		N,U,P		N,U,P		N,U,P		N,U,P		N,U,P		Face N
    */
};

static A3DUns32 stCubeFacesWireframe[48] = {
    0, 3, 3, 9, 9, 6, 6, 0,/* Face 0 */
    6, 9, 9, 15, 15, 12, 12, 6,/* Face 1 */
    12, 15, 15, 21, 21, 18, 18, 12,/* .... */
    18, 21, 21, 3, 3, 0, 0, 18,
    3, 21, 21, 15, 15, 9, 9, 3,
    18, 0, 0, 6, 6, 12, 12, 18  /* Face N */
    /* E1      E2      E3      E4   edges */
};


//######################################################################################################################
void fillCubeTessBaseData(A3DTessBaseData& sTessBaseData, A3DDouble cubeWidth, A3DDouble cubeHeight, A3DDouble cubeLength);
void freeTessBaseData(A3DTessBaseData& sTessBaseData);

//######################################################################################################################
void fillCubeTessData(A3DTess3DData& sTess3DData, A3DUns32* puiStyleIndex = NULL);
void freeTess3DData(A3DTess3DData& sTess3DData);