#ifndef WORLD_H__
#define WORLD_H__
#include "define.h"
#include "chunk.h"
#include "array2d.h"
#include "vector3.h"
#include "transformation.h"

class World {
	public:
		World();
		~World();

		Array2d<Chunk*>& GetChunks();

        template <class T>
        Chunk* World::ChunkAt(T x, T y, T z) const {
            int cx = (int)x / CHUNK_SIZE_X;
            int cz = (int)z / CHUNK_SIZE_Z;
            
            if (cx >= VIEW_DISTANCE || // L'array en ce moment est de VIEW_DISTANCE par VIEW_DISTANCE.
                cz >= VIEW_DISTANCE || 
                cx < 0 || cz < 0)
                return 0;

            return m_chunks.Get(cx, cz);
        }

        template <class T>
        Chunk* World::ChunkAt(const Vector3<T>& pos) const { return ChunkAt(pos.x, pos.y, pos.z); }

        template <class T>
        BlockType World::BlockAt(T x, T y, T z, BlockType defaultBlockType = BTYPE_AIR) 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);
        }

        template <class T>
        BlockType World::BlockAt(Vector3<T>& pos, BlockType defaultBlockType = BTYPE_AIR) const {
            return BlockAt(pos.x, pos.y, pos.z);
        }

private:
	Array2d<Chunk*> m_chunks = Array2d<Chunk*>(VIEW_DISTANCE, VIEW_DISTANCE);

	int m_center[2] = {0, 0};
};
#endif