#include "game_map.h"
#include<stdio.h>
#include<conio.h>

void GameMap::LoadMap(char* name)
{
    FILE* fp = NULL;
    fp = fopen(name, "rb");
    //fopen_s(&fp, name, "rb");
    if ( fp == NULL)
    {
        return;
    }
    game_map.max_x = 0;
    game_map.max_y = 0;
    for (int i =0; i< MAX_MAP_Y; i++)
    {
        for ( int j = 0; j < MAX_MAP_X; j++)
        {
            fscanf(fp,"%d",&game_map.tile[i][j]);
            //fscanf_s( fp, "%d", &game_map.tile[i][j]);
            int val = game_map.tile[i][j];
            if ( val > 0)
            {
                if (j> game_map.max_x)
                    game_map.max_x = j;
                if ( i> game_map.max_y ) game_map.max_y = i;
            }
        }
    }
    game_map.max_x = (game_map.max_x + 1) *TILE_SIZE;
    game_map.max_y = ( game_map.max_y + 1) * TILE_SIZE;
    game_map.start_y = 0;
    game_map.start_x = 0;
    game_map.file_name_ = name;
    fclose(fp);
}
void GameMap:: LoadTiles ( SDL_Renderer* screen)
{
    char file_img[30];
    FILE* fp = NULL;

    for ( int i = 0; i< MAX_TILE; i++)
    {
       // sprintf_s(file_img,"map%d.png",i);
        sprintf(file_img,"map/map%d.png",i);
        //fopen_s( &fp, file_img, "rb");
        fp = fopen(file_img,"rb");
        if ( fp == NULL)
        {
            continue;
        }
        fclose(fp);
        tile_map[i].Load_Image(file_img, screen);
    }
}
void GameMap:: DrawMap ( SDL_Renderer* screen )
{
    int x1 = 0, x2 = SCREEN_WIDTH;
    int y1 =0, y2 = SCREEN_HEIGHT;
    int max_x = game_map.start_x / TILE_SIZE;
    int max_y = game_map.start_y / TILE_SIZE;
    for ( int i = y1; i<= y2; i+= TILE_SIZE)
    {
        max_x = game_map.start_x / TILE_SIZE;
        for ( int j = x1; j<= x2; j += TILE_SIZE)
        {
            int val = game_map.tile[max_y][max_x];
            if ( val >0 && val < 20)
            {
                tile_map[val].SetRect(j,i);
                tile_map[val].Render(screen);
            }
            max_x ++;
        }
        max_y ++;
    }
}