#include "client/rendering/ClientChunkProvider.h"

ClientChunkProvider::ClientChunkProvider()
{
    chunks = new Chunk*[chunkX * chunkZ];
    for(int x = 0; x < chunkX; x++)
    {
        for(int z = 0; z < chunkZ; z++)
        {
            chunks[x + z * chunkX] = new Chunk(x, z);
        }
    }
}

ClientChunkProvider::~ClientChunkProvider()
{
    for(int i = 0; i < chunkX * chunkZ; i++)
    {
        delete chunks[i];
    }
    delete[] chunks;
}

Chunk* ClientChunkProvider::getChunk(int x, int z)
{
    if(isChunkLoaded(x, z))
    {
        return chunks[x + z * chunkX];
    }
    return nullptr;
}
        
bool ClientChunkProvider::isChunkLoaded(int x, int z) const
{
    return x >= 0 && x < chunkX && z >= 0 && z < chunkZ;
}

void ClientChunkProvider::forEachLoadedChunk(void* data, void (*fun) (Chunk&, void*)) const
{
    for(int x = 0; x < chunkX; x++)
    {
        for(int z = 0; z < chunkZ; z++)
        {
            fun(*chunks[x + z * chunkX], data);
        }
    }
}