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// -----------------------------
// iGamer.c
// --> Main File for iGamer
// -----------------------------
// Created by Daniel Shaw
// -----------------------------
// VERSION: Alpha
// -----------------------------

#include <stdio.h>
#include <string.h>
#include <errno.h>

#include "pz.h"

static PzModule *module;
static PzEvent *ev;

static PzWindow * startw; // || Make Window ||
static PzWindow * menu_windowd;
static TWidget *game;

static ttk_surface image;
static ttk_surface character;
static ttk_surface user;
static ttk_surface srf;

static char tileset[80];

static int *start_x = 0;
static int *start_y = 0;

static int player_x = 0;
static int player_y = 0;
static int facing = 3; // --> Facing position (1 - UP, 2 - RIGHT, 3 - DOWN, 4 - LEFT)

static char game_name[20];

void update_screen() // --> Refresh the map and sprites!
	{
		game->dirty++;
	}

//--------------//
#include "Map.c"
#include "XFunc.c"
#include "Menu.c"
//--------------//

void close() // --> Close iGamer!
	{
		printf ("Exiting iGamer |Ok|\n");
	}



void draw_data(PzWidget *wid, ttk_surface srf) // --> Draw the map, sprites, etc!
	{
		char tileset_path [104];
		sprintf(tileset_path, "game_data/Visuals/Tiles/%s", tileset);

		image = ttk_load_image (pz_module_get_datapath (module, tileset_path));
		  if (!image)
			{
		pz_message ("Error: Unable to load tiles!\n");
	    		}
		else
			{	
				draw_map_l1_tiles(srf); // --> Show Layer 1 Tiles
				//draw_map_l2_tiles(srf); // --> Show Layer 2 Tiles
				//draw_map_l3_tiles(srf); // --> Show Layer 3 Tiles
				character_draw(facing); // --> Draw the main character
			}
	}

void movement(int dir) // --> Movement for the main character!
	{
		switch(dir)
		{
		case 1:
		player_y -= 1;
		facing = 1;
		break;
		
		case 2:
		player_x += 1;
		facing = 2;
		break;

		case 3:
		player_y += 1;
		facing = 3;
		break;

		case 4:
		player_x -= 1;
		facing = 4;
		break;
		}
	game->dirty++;
	}

static int event_data (PzEvent *e) // --> Input data receieved!
	{
		static ttk_surface srf;
		switch (e->arg) {
		case PZ_BUTTON_MENU: // Up
		if (can_move(1))
		movement(1);
		break;

		case PZ_BUTTON_NEXT: // Right
		if (can_move(2))
		movement(2);
		break;

		case PZ_BUTTON_PLAY: // Down
		if (can_move(3))
		ttk_delay(40);
		movement(3);
		break;

		case PZ_BUTTON_PREVIOUS: // Left
		if (can_move(4))
		movement(4);
		break;

		case PZ_BUTTON_ACTION: // Action
		break;

		case PZ_BUTTON_HOLD: // Hold - Exit
		pz_close_window (e->wid->win);
		break;

		case PZ_EVENT_DESTROY:
		ttk_free_surface (image);
		ttk_free_surface (character);
		ttk_free_surface (user);
		break;
		}
		return 0;
	}

void check_files() // --> Check for the neccessary files!
	{
		FILE *game_data;
		
		game_data = fopen(pz_module_get_datapath (module, "game_data/gdata.igame"), "r");

		fscanf(game_data, "%s %s", game_name, game_name);
		fscanf(game_data, "%d", &start_x);
		//printf("Data: %d\n", start_x);
		fscanf(game_data, "%d", &start_y);

		player_x = start_x;
		player_y = start_y;

		fclose(game_data);

    		if (!game_data)
			{
				pz_message ("Error: Unable to locate 'gdata.igame'");
			}

		printf ("Setup iGamer Data |Ok|.\n");
	}

PzWindow *start_engine_window () // --> Starting window; Neccessity
	{
		check_files(); // || Assure all files exist ||
		load_map_data(3);
		startw = pz_new_window (game_name, PZ_WINDOW_FULLSCREEN); // || Setup new window + Title ||
		game = pz_add_widget (startw, draw_data, event_data); // || Add Map and Sprites Widget ||
		return pz_finish_window (startw);
	}


void init() // Initialize the module!
	{
   		module = pz_register_module ("iGamer", close);
		pz_menu_add_action ("/Extras/aGame-Engine/iGamer", start_engine_window);
	}

PZ_MOD_INIT (init)