allegro_start_shutdown.c

#include <stdlib.h>
#include <stdio.h>
#include <allegro5/allegro.h>
#include <allegro5/allegro_primitives.h>
#include <allegro5/allegro_image.h>
#include <allegro5/allegro_audio.h>
#include <allegro5/allegro_acodec.h>
#include <allegro5/allegro_native_dialog.h>
#include <allegro5/allegro_font.h>
#include <allegro5/allegro_ttf.h>

#include "allegro_start_shutdown.h"

#warning "Remove primitives later lazy..."

int allegro_startup(void)
{
	if(al_init())
    {
		if(al_init_primitives_addon())
		{
			if(al_install_keyboard())
			{
				if(al_install_mouse())
				{
					if(al_init_image_addon())
					{
						al_init_font_addon();   //Void
						if(al_init_ttf_addon())
						{
							if(al_install_audio())
							{
								if(al_init_acodec_addon())
								{
									if(al_reserve_samples(1))
									{
										
										return AL_STARTUP_SUCCESS;
									}
									else 
										fprintf(stderr,"ERROR: Failed to reserve samples:(\n");
									//al_shutdown_acodec_addon(); Does not exist
								}
								else
									fprintf(stderr,"ERROR: Failed to initialize acodec addon\n");
								al_uninstall_audio();
							}
							else
								fprintf(stderr,"ERROR: Failed to install audio\n");
							al_shutdown_ttf_addon();
						}
						else
							fprintf(stderr,"ERROR: Failed to initialize ttf addon\n");
						al_shutdown_font_addon();
						al_shutdown_image_addon();
					}
					else
						fprintf(stderr,"ERROR: Failed to initialize image addon\n");
					al_uninstall_mouse();
				}
				else
					fprintf(stderr,"ERROR: Failed to install mouse\n");
				al_uninstall_keyboard();
			}
			else
				fprintf(stderr,"ERROR: Failed to load primitives addon\n");
			al_shutdown_primitives_addon();
		}
		else
			fprintf(stderr,"ERROR: Failed to install keyboard\n");
		al_uninstall_system();
    }
    else
		fprintf(stderr,"ERROR: Failed to initialize allegro system\n");
    return AL_STARTUP_ERROR;
}

void allegro_shut_down(void)
{
	al_shutdown_primitives_addon();
	al_shutdown_ttf_addon();
	al_shutdown_font_addon();
	al_shutdown_image_addon();
	al_uninstall_mouse();
	al_uninstall_keyboard();
	al_uninstall_audio();
	//al_uninstall_system();
#warning "Segfault on uninstall system"
	
}


ALLEGRO_DISPLAY * create_display(unsigned int width, unsigned int height)
{
	ALLEGRO_DISPLAY *display = NULL;
	ALLEGRO_BITMAP *icon = NULL;

	al_set_new_bitmap_flags(ALLEGRO_MIN_LINEAR | ALLEGRO_MAG_LINEAR); //like all drawing is scaled this helps with quality  

	if( (display=al_create_display(width,height)) == NULL)
	{
		fprintf(stderr,"Unable to create display\n");
	}
	else
	{
		#ifdef EDA_DISPLAY_ICON
		if( (icon=al_load_bitmap(EDA_DISPLAY_ICON)) == NULL)
			fprintf(stderr,"Unable to load Icon\n");
		else
		{
			al_set_display_icon(display,icon);
			al_destroy_bitmap(icon);
		}
		#endif
		al_set_window_title(display, EDA_DISPLAY_TITLE);
		
	}
	return display;
}


ALLEGRO_SAMPLE * loadPlayMusic(void)
{
	ALLEGRO_SAMPLE * music=al_load_sample(BACKGROUND_MUSIC);
	if(music)
		al_play_sample(music, 1.0, 0.0, 1.0, ALLEGRO_PLAYMODE_LOOP, NULL); 
		
	else
		fprintf(stderr,"Unable to load background music\n");
	
	return music;

}

void stopMusic(ALLEGRO_SAMPLE *music)
{
	al_stop_samples();
	if(music!=NULL)
		al_destroy_sample(music);
	
	
}