/**
 * Copyright (c) 2021 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#pragma once
#include <dawn/dawn.h>
#include "../../display/primitive.h"
#include "../../util/math.h"
#include "tile.h"

/**
 * Loads a given chunk. 
 * 
 * @param chunk The chunk to load.
 * @param x X of the chunk.
 * @param y Y of the chunk.
 * @param z Z of the chunk.
 */
void chunkLoad(chunk_t *chunk, int32_t x, int32_t y, int32_t z);

/**
 * Unload a given chunk.
 * 
 * @param chunk Chunk to unload.
 */
void chunkUnload(chunk_t *chunk);

/**
 * Gets the chunk index from an absolute coordinate.
 * 
 * @param x Absolute chunk X.
 * @param y Absolute chunk Y.
 * @param z Absolute chunk Z.
 * @returns The index for that chunk. -1 if out of bounds of the current list.
 */
int32_t chunkGet(int32_t x, int32_t y, int32_t z);

/**
 * Gets the tile index from a local tile coordinate.
 * 
 * @param x The local X coordinate of the tile.
 * @param y The local Y coordinate of the tile.
 * @param z The local Z coordinate of the tile.
 * @return The index within the chunk that the tile resides.
 */
int32_t chunkGetTile(int32_t x, int32_t y, int32_t z);