/**
 * Copyright (c) 2025 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#pragma once
#include "rpg/world/tile.h"
#include "worldpos.h"
#include "display/mesh/quad.h"

typedef struct chunk_s {
  chunkpos_t position;
  tile_t tiles[CHUNK_TILE_COUNT];
  
  uint8_t meshCount;
  meshvertex_t vertices[CHUNK_VERTEX_COUNT_MAX];
  mesh_t meshes[CHUNK_MESH_COUNT_MAX];
  uint8_t entities[CHUNK_ENTITY_COUNT_MAX];
} chunk_t;

/**
 * Gets the tile index for a tile position within a chunk.
 *
 * @param position The position within the chunk.
 * @return The tile index within the chunk.
 */
uint32_t chunkGetTileIndex(const chunkpos_t position);

/**
 * Checks if two chunk positions are equal.
 * 
 * @param a The first chunk position.
 * @param b The second chunk position.
 * @return true if equal, false otherwise.
 */
bool_t chunkPositionIsEqual(const chunkpos_t a, const chunkpos_t b);