#include "isometricMap.h"
#include <stdio.h>
#include <stdlib.h>

IsometricMap * IsometricMapInit(int x, int y){
    IsometricMap* map = (IsometricMap *) malloc(sizeof(IsometricMap));
    map->tileTextures[0] = LoadTexture("assets/grass.png");
    map->tileTextures[1] = LoadTexture("assets/tower.png");

   Tile* tiles[x];
   int n = 0;
   for(n=0; n<x; n++){
        tiles[n] = (Tile*)malloc(y*sizeof(Tile));
   }

    map->sizeX = x;
    map->sizeY = y;

    int i = 0;
    int j = 0;
    
    for(i=0; i < x; i++){
        for(j=0; j < y; j++){
            if(i != j){
                Tile tmp = {0, i, j};
                tiles[i][j] = tmp;
            }
            else{
                Tile tmp = {1, i, j};
                tiles[i][j] = tmp;
            }
        }
    }
    map->tiles = tiles;

    return map;
}


Vector2 * IsometricMapCalcOffsetForTileAt(int x, int y, int textureSize){
    
    Vector2* offset = (Vector2 *)malloc(sizeof(Vector2));

    offset->x = x * textureSize/2;
    offset->y = x * textureSize/4;

    offset->x -= y * textureSize/2;
    offset->y += y * textureSize/4;

    return offset;
}