#ifndef ISOMETRICMAP_H_
#define ISOMETRICMAP_H_
#include "raylib.h"
#include "tile.h"
#include "../game.h"

typedef struct IsometricMap{
    // Array with all the needed textures for this layer
    Texture2D tileTextures[10];

    // twodimensional array of all the tiles in this layer
    Tile ***tiles;

    // amount of tiles in x-direction
    int width;

    // amount of tiles in y-direction
    int height;

    // pixel width of a single tile texture
    int textureWidth;

    // pixel height of a single tile texture
    int textureHeight;

    // pixel width of the entire map
    int worldPixelWidth;

    // pixel height of the entire map
    int worldPixelHeight;
} IsometricMap;

// returns pointer to IsometricMap Instance
IsometricMap * IsometricMapInit();

// For Rendering: calculates coordinate offset for a single tile at arrayPosition x y
// Only works for tiles with texture width == height (and for 22.5 degree?)
Vector2 * IsometricMapCalcOffsetForTileAt(int x, int y, int halfTextureSize, int quarterTextureSize);

// Project:   Screen Coordinates -> World Coordinates writes result in tmp Vector
// Currently only calcing coords on layer 0
void IsometricMapProject(IsometricMap *isometricMap, Camera2D *camera, float x, float y, Vector2 *tmp);

// Unproject: World Coordinates -> Screen Coordinates       writes result in tmp Vector
void IsometricMapUnproject(IsometricMap *isometricMap, Camera2D *camera, int x, int y, float z, Vector2 *tmp);

// changes to Texture ID of tile at x y on maplayer layer
void IsometricMapChangeTextureIdOfTile(IsometricMap *map, int x, int y, int id);

// returns Tile * -> tile at coordinates x y z=layer  
Tile * IsometricMapGetTileFromWorldCoordinates(IsometricMap *isometricMap, float x, float y);

// Draws Isometric Map and Sprites in between :)
void IsometricMapDraw(Game *game);

#endif