#include "world.h"

World::World(){}

World::~World(){}

Array2d<Chunk*>& World::GetChunks() { return m_chunks; }

Chunk* World::ChunkAt(float x, float y, float z) const {
    int cx = (int)x / CHUNK_SIZE_X;
    int cz = (int)z / CHUNK_SIZE_Z;

    if (x < 0 || y < 0 || z < 0 ||
        x >= WORLD_SIZE_X * CHUNK_SIZE_X || z >= CHUNK_SIZE_Z * WORLD_SIZE_Y || y > CHUNK_SIZE_Y)
        return 0;

    return m_chunks.Get(cx, cz);
}

Chunk* World::ChunkAt(const Vector3f& pos) const { return ChunkAt(pos.x, pos.y, pos.z); }

BlockType World::BlockAt(float x, float y, float z, BlockType defaultBlockType) const {
    Chunk* c = ChunkAt(x, y, z);

    if (!c)
        return defaultBlockType;

    int bx = (int)x % CHUNK_SIZE_X;
    int by = (int)y % CHUNK_SIZE_Y;
    int bz = (int)z % CHUNK_SIZE_Z;

    return c->GetBlock(bx, by, bz);
}

BlockType World::BlockAt(const Vector3f& pos, BlockType defaultBlockType) const {
    return BlockAt(pos.x, pos.y, pos.z, defaultBlockType);
}