package cocoa // #cgo CFLAGS: -x objective-c // #cgo LDFLAGS: -framework Cocoa -framework OpenGL // // void StartApplication(void); // void PollEvents(void); // import "C" import ( "github.com/hajimehoshi/go-ebiten/graphics" "github.com/hajimehoshi/go-ebiten/graphics/opengl" "github.com/hajimehoshi/go-ebiten/ui" "image" ) type cocoaUI struct { textureFactory *textureFactory graphicsDevice *opengl.Device } var currentUI *cocoaUI func getCurrentUI() *cocoaUI { if currentUI != nil { return currentUI } currentUI = &cocoaUI{} C.StartApplication() currentUI.textureFactory = runTextureFactory() currentUI.textureFactory.useGLContext(func() { currentUI.graphicsDevice = opengl.NewDevice() }) return currentUI } func UI() ui.UI { return getCurrentUI() } func TextureFactory() graphics.TextureFactory { return getCurrentUI() } func (u *cocoaUI) CreateWindow(width, height, scale int, title string) ui.Window { return u.textureFactory.createWindow(u, width, height, scale, title) } func (u *cocoaUI) PollEvents() { C.PollEvents() } func (u *cocoaUI) TextureCreated() <-chan graphics.TextureCreatedEvent { return u.textureFactory.TextureCreated() } func (u *cocoaUI) RenderTargetCreated() <-chan graphics.RenderTargetCreatedEvent { return u.textureFactory.RenderTargetCreated() } func (u *cocoaUI) CreateTexture(tag interface{}, img image.Image) { go func() { var id graphics.TextureId var err error u.textureFactory.useGLContext(func() { id, err = u.graphicsDevice.CreateTexture(img) }) e := graphics.TextureCreatedEvent{ Tag: tag, Id: id, Error: err, } u.textureFactory.notifyTextureCreated(e) }() } func (u *cocoaUI) CreateRenderTarget(tag interface{}, width, height int) { go func() { var id graphics.RenderTargetId var err error u.textureFactory.useGLContext(func() { id, err = u.graphicsDevice.CreateRenderTarget(width, height) }) e := graphics.RenderTargetCreatedEvent{ Tag: tag, Id: id, Error: err, } u.textureFactory.notifyRenderTargetCreated(e) }() }