zntg/allg5/system.go

package allg5

// #include <allegro5/allegro.h>
// #include <allegro5/allegro_font.h>
// #include <allegro5/allegro_image.h>
// #include <allegro5/allegro_primitives.h>
// #include <allegro5/allegro_ttf.h>
// bool init() {
//   return al_init();
// }
import "C"

import (
	"errors"
	"runtime"
)

func init() {
	runtime.LockOSThread()
}

type InitConfig struct {
	Font       bool
	Image      bool
	Primitives bool
	Keyboard   bool
	Mouse      bool
}

var InitAll = InitConfig{true, true, true, true, true}

// Init initializes the Allegro system
func Init(config InitConfig) error {
	if !bool(C.init()) {
		return errors.New("failed to initialize Allegro")
	}
	if config.Font && !bool(C.al_init_font_addon()) {
		return errors.New("failed to initialize font addon")
	}
	if config.Font && !bool(C.al_init_ttf_addon()) {
		return errors.New("failed to initialize ttf addon")
	}
	if config.Image && !bool(C.al_init_image_addon()) {
		return errors.New("failed to initialize image addon")
	}
	if config.Primitives && !bool(C.al_init_primitives_addon()) {
		return errors.New("failed to initialize primitives addon")
	}
	if config.Keyboard && !bool(C.al_install_keyboard()) {
		return errors.New("failed to install keyboard")
	}
	if config.Mouse && !bool(C.al_install_mouse()) {
		return errors.New("failed to install mouse")
	}
	return nil
}