#include "Chunk.h"

Chunk::Chunk(int chunkX, int chunkZ) : chunkX(chunkX), chunkZ(chunkZ)
{
    for(int i = 0; i < WORLD_HIGH; i++)
    {
        dirty[i] = true;
    }
    for(int y = 0; y < MAX_Y; y++)
    {
        for(int x = 0; x < CHUNK_SIZE; x++)
        {
            for(int z = 0; z < CHUNK_SIZE; z++)
            {
                blocks[y][x][z] = 0;
            }
        }
    }
}

Chunk::Chunk(const Chunk& orig)
{
}

Chunk::~Chunk()
{
}

void Chunk::setBlock(int x, int y, int z, unsigned short block)
{
    if(x >= 0 && x < CHUNK_SIZE && y >= 0 && y < MAX_Y && z >= 0 && z < CHUNK_SIZE)
    {
        blocks[y][x][z] = block;
    }
}

unsigned short Chunk::getBlock(int x, int y, int z)
{
    if(x >= 0 && x < CHUNK_SIZE && y >= 0 && y < MAX_Y && z >= 0 && z < CHUNK_SIZE)
    {
        return blocks[y][x][z];
    }
    return 0;
}

void Chunk::init()
{
    for(int i = 0; i < WORLD_HIGH; i++)
    {
        mesh[i].init();
    }
}

void Chunk::renderTick(float lag)
{
    for(int i = 0; i < WORLD_HIGH; i++)
    {
        if(dirty[i])
        {
            mesh[i].build();
            /*
             // bottom
    tmesh.addPoint(0.0f, 0.0f, 0.0f, 0.125f, 0.0f);
    tmesh.addPoint(1.0f, 0.0f, 0.0f, 0.1875f, 0.0f);
    tmesh.addPoint(0.0f, 0.0f, 1.0f, 0.125f, 0.0625f);
    tmesh.addPoint(1.0f, 0.0f, 0.0f, 0.1875f, 0.0f);
    tmesh.addPoint(1.0f, 0.0f, 1.0f, 0.1875f, 0.0625f);
    tmesh.addPoint(0.0f, 0.0f, 1.0f, 0.125f, 0.0625f);
    
    // top
    tmesh.addPoint(0.0f, 1.0f, 0.0f, 0.25f, 0.0f);
    tmesh.addPoint(0.0f, 1.0f, 1.0f, 0.25f, 0.0625f);
    tmesh.addPoint(1.0f, 1.0f, 0.0f, 0.3125f, 0.0f);
    tmesh.addPoint(1.0f, 1.0f, 0.0f, 0.3125f, 0.0f);
    tmesh.addPoint(0.0f, 1.0f, 1.0f, 0.25f, 0.0625f);
    tmesh.addPoint(1.0f, 1.0f, 1.0f, 0.3125f, 0.0625f);
    
    // right
    tmesh.addPoint(1.0f, 0.0f, 0.0f, 0.1875f, 0.0625f);
    tmesh.addPoint(1.0f, 1.0f, 1.0f, 0.25f, 0.0f);
    tmesh.addPoint(1.0f, 0.0f, 1.0f, 0.25f, 0.0625f);
    tmesh.addPoint(1.0f, 0.0f, 0.0f, 0.1875f, 0.0625f);
    tmesh.addPoint(1.0f, 1.0f, 0.0f, 0.1875f, 0.0f);
    tmesh.addPoint(1.0f, 1.0f, 1.0f, 0.25f, 0.0f);
    
    // left
    tmesh.addPoint(0.0f, 0.0f, 0.0f, 0.1875f, 0.0625f);
    tmesh.addPoint(0.0f, 0.0f, 1.0f, 0.25f, 0.0625f);
    tmesh.addPoint(0.0f, 1.0f, 1.0f, 0.25f, 0.0f);
    tmesh.addPoint(0.0f, 0.0f, 0.0f, 0.1875f, 0.0625f);
    tmesh.addPoint(0.0f, 1.0f, 1.0f, 0.25f, 0.0f);
    tmesh.addPoint(0.0f, 1.0f, 0.0f, 0.1875f, 0.0f);
    
    // back
    tmesh.addPoint(0.0f, 0.0f, 1.0f, 0.1875f, 0.0625f);
    tmesh.addPoint(1.0f, 0.0f, 1.0f, 0.25f, 0.0625f);
    tmesh.addPoint(1.0f, 1.0f, 1.0f, 0.25f, 0.0f);
    tmesh.addPoint(0.0f, 0.0f, 1.0f, 0.1875f, 0.0625f);
    tmesh.addPoint(1.0f, 1.0f, 1.0f, 0.25f, 0.0f);
    tmesh.addPoint(0.0f, 1.0f, 1.0f, 0.1875f, 0.0f);
    
    // front
    tmesh.addPoint(0.0f, 0.0f, 0.0f, 0.1875f, 0.0625f);
    tmesh.addPoint(1.0f, 1.0f, 0.0f, 0.25f, 0.0f);
    tmesh.addPoint(1.0f, 0.0f, 0.0f, 0.25f, 0.0625f);
    tmesh.addPoint(0.0f, 0.0f, 0.0f, 0.1875f, 0.0625f);
    tmesh.addPoint(0.0f, 1.0f, 0.0f, 0.1875f, 0.0f);
    tmesh.addPoint(1.0f, 1.0f, 0.0f, 0.25f, 0.0f);
             
             */
        }
        mesh[i].draw();
    }
}