#ifndef TERRAIN_H
#define TERRAIN_H

#include <raylib.h>
#include <stdbool.h>

#include "engineSprite.h"

#define TERRAIN_CHUNK_WORLD_SIZE 256.0f
#define TERRAIN_CHUNK_RESOLUTION ((int)TERRAIN_CHUNK_WORLD_SIZE)
#define TERRAIN_LOAD_RADIUS 2
#define TERRAIN_GRID_SIZE (TERRAIN_LOAD_RADIUS * 2 + 1)
#define TERRAIN_MAX_CHUNKS (TERRAIN_GRID_SIZE * TERRAIN_GRID_SIZE)

typedef struct {
  bool active;
  int chunkX, chunkY;
  Sprite sprite;
  bool *landMask;
} TerrainChunk;

typedef struct {
  TerrainChunk chunks[TERRAIN_MAX_CHUNKS];
  Shader shader;
  float time;
} Terrain;

Terrain CreateTerrain(Camera2D *camera);
void UpdateTerrain(Terrain *terrain, Camera2D *camera);
void RenderTerrain(Terrain *terrain);
void UnloadTerrain(Terrain *terrain);

bool IsTerrainLand(Terrain *terrain, Vector2 worldPos);
bool IsTerrainLoaded(Terrain *terrain, Vector2 worldPos);

#endif