/*Troy Rosin*/

#include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>
#include <mydebug.h>
#include <game.h>
#include <input.h>
#include <deck.h>
#include <main.h>
#include <overworld.h>
#include <err_check.h>

#define OW_ROWS ((DEF_WINDOW_WIDTH / OW_GRIDSZ) + 1)
#define OW_COLS ((DEF_WINDOW_HEIGHT / OW_GRIDSZ) + 1)


PLAYER *myplayer, me;
SDL_Texture *selected_grid, *player_sprite, *grass;


PLAYER *get_this_player()
{
  return &me;
}

SDL_Rect ow_rects[OW_ROWS][OW_COLS];

void init_overworld()
{
  int row, col;
  
  PRINT_M(INIT OVERWORLD)
  
  IMG_GETANDCHECK(grass, renderer, "assets/ow_grid_grass.png")
  IMG_GETANDCHECK(selected_grid, renderer, "assets/ow_selected_grid.png");
  IMG_GETANDCHECK(player_sprite,  renderer, "assets/player.png");

  myplayer = get_this_player();
  
  //set up rects to render textures into
  for(row = 0; row <= OW_ROWS; row++)
  {
    for(col = 0; col <= OW_COLS; col++)
    {
      ow_rects[row][col].x = row * OW_GRIDSZ;
      ow_rects[row][col].y = col * OW_GRIDSZ;
      ow_rects[row][col].h = OW_GRIDSZ;
      ow_rects[row][col].w = OW_GRIDSZ;
    }      
  }

  myplayer->texture = player_sprite;
  myplayer->pos.x = OW_ROWS >> 1;
  myplayer->pos.y = OW_COLS >> 1;

  return;
}

void render_overworld()
{
  int row, col;
  SDL_RenderClear(renderer);
  //render the ow grid
  for(row = 0; row < OW_ROWS; row++)
  {
    for(col = 0; col < OW_COLS; col++)
    {
      SDL_RenderCopy(renderer, grass, NULL, &(ow_rects[row][col]));
    }
  }
    
  SDL_RenderCopy(renderer, myplayer->texture, NULL, &(ow_rects[myplayer->pos.x][myplayer->pos.y]));   

  SDL_RenderPresent(renderer);

  return;
}