#include "common/block/Blocks.h"

const int BlockRegistry::BLOCK_AMOUNT = 4;
const Block* BlockRegistry::BLOCKS[BLOCK_AMOUNT];

const BlockAir Blocks::AIR;
const Block Blocks::GRASS;
const Block Blocks::DIRT;
const Block Blocks::STONE;

BlockRegistry::BlockRegistry()
{
}

void BlockRegistry::registerBlock(const Block& block)
{
    BlockId id = block.getId();
    if(id >= 0 && id < BLOCK_AMOUNT && BLOCKS[id] == nullptr)
    {
        BLOCKS[id] = &block;
    }
}

const Block& BlockRegistry::getBlockFromId(BlockId id)
{
    return *BLOCKS[(id >= 0 && id < BLOCK_AMOUNT && BLOCKS[id] != nullptr) * id];
}

void BlockRegistry::init()
{
    for(int i = 0; i < BLOCK_AMOUNT; i++)
    {
        BLOCKS[i] = nullptr;
    }
}

void BlockRegistry::registerBlocks()
{
    init();
    
    registerBlock(Blocks::AIR);
    registerBlock(Blocks::GRASS);
    registerBlock(Blocks::DIRT);
    registerBlock(Blocks::STONE);
}