Exemplo n.º 1
0
func fetchAssets(gameEngine engine.Engine, complete func()) {
	os.Mkdir("TestAssets", 0777)
	patcher := client.NewClient("TestAssets", "http://walesey.net")
	done := make(chan bool)
	go func() {
		patcher.SyncFiles("TestFiles")
		done <- true
	}()

	progressBar := ui.NewProgressBar("Downloading assets...")
	ui.SetProgressBar(progressBar, 0)
	gameEngine.AddOrtho(progressBar)
	progress := 0
	var loader engine.Updatable
	loader = engine.UpdatableFunc(func(dt float64) {
		select {
		case <-patcher.Complete:
			progress++
			ui.SetProgressBar(progressBar, 1+int((progress*20)/patcher.TotalFiles))
		case <-done:
			gameEngine.RemoveSpatial(progressBar, true)
			gameEngine.RemoveUpdatable(loader)
			gameEngine.RequestAnimationFrame(complete)
		default:
		}
	})
	gameEngine.AddUpdatable(loader)
}
Exemplo n.º 2
0
func main() {
	server := len(os.Args) > 1 && os.Args[1] == "server"
	var gameEngine engine.Engine
	var glRenderer *opengl.OpenglRenderer
	network := networking.NewNetwork()

	// Start server or connect to server
	if server {
		gameEngine = engine.NewHeadlessEngine()
		network.StartServer(serverPort)
	} else {
		glRenderer = opengl.NewOpenglRenderer("Networking example", 800, 800, false)
		gameEngine = engine.NewEngine(glRenderer)
		network.ConnectClient(fmt.Sprintf("%v:%v", serverAddr, serverPort))
	}
	gameEngine.AddUpdatable(network)

	// map containing each player's entity
	players := make(map[string]*Player)

	//Networked Game events
	network.ClientJoinedEvent(func(clientId string) {
		fmt.Println("client joined, clientId: ", clientId)
		network.TriggerOnServerAndClients("spawn", util.SerializeArgs(clientId, startingPosition))
		for _, player := range players {
			network.TriggerEvent("spawn", clientId, util.SerializeArgs(player.clientId, player.position))
		}
	})

	network.RegisterEvent("spawn", func(clientId string, data []byte) {
		buf := bytes.NewBuffer(data)
		playerID := util.Stringfrombytes(buf)
		position := util.Vector2frombytes(buf)
		if _, ok := players[playerID]; !ok {
			player := &Player{clientId: playerID}
			players[player.clientId] = player
			player.node = renderer.NewNode()
			player.position = position
			gameEngine.AddUpdatable(player)
			if network.IsClient() {
				boxGeometry := renderer.CreateBox(30, 30)
				boxGeometry.SetColor(color.NRGBA{254, 0, 0, 254})
				player.node.Add(boxGeometry)
				gameEngine.AddOrtho(player.node)
			}
		}
	})

	network.RegisterEvent("move", func(clientId string, data []byte) {
		buf := bytes.NewBuffer(data)
		playerID := util.Stringfrombytes(buf)
		velocity := util.Vector2frombytes(buf)
		if network.IsServer() && clientId != playerID {
			return // client is only allowed to control the player assigned to them.
		}
		if player, ok := players[playerID]; ok {
			player.velocity = velocity
			if network.IsServer() {
				network.BroadcastEvent("updatePlayer", util.SerializeArgs(playerID, player.position, player.velocity))
				network.FlushAllWriteBuffers()
			}
		}
	})

	network.RegisterEvent("updatePlayer", func(clientId string, data []byte) {
		if network.IsClient() { // This is a server to client update only
			buf := bytes.NewBuffer(data)
			playerID := util.Stringfrombytes(buf)
			position := util.Vector2frombytes(buf)
			velocity := util.Vector2frombytes(buf)
			if player, ok := players[playerID]; ok {
				player.position = position
				player.velocity = velocity
			}
		}
	})

	// client setup
	gameEngine.Start(func() {
		if network.IsClient() {
			gameEngine.InitFpsDial()

			if shader, err := assets.ImportShader("shaders/build/basic.vert", "shaders/build/basic.frag"); err == nil {
				gameEngine.DefaultShader(shader)
			}

			glRenderer.BackGroundColor(0, 0.4, 0, 0)

			// input/controller manager
			controllerManager := glfwController.NewControllerManager(glRenderer.Window)

			// networked movement controls
			move := func(velocity mgl32.Vec2) {
				network.TriggerOnServerAndClients("move", util.SerializeArgs(network.ClientToken(), velocity))
			}

			customController := controller.CreateController()
			controllerManager.AddController(customController.(glfwController.Controller))
			customController.BindKeyAction(func() { move(mgl32.Vec2{0, -100}) }, controller.KeyW, controller.Press)
			customController.BindKeyAction(func() { move(mgl32.Vec2{-100, 0}) }, controller.KeyA, controller.Press)
			customController.BindKeyAction(func() { move(mgl32.Vec2{0, 100}) }, controller.KeyS, controller.Press)
			customController.BindKeyAction(func() { move(mgl32.Vec2{100, 0}) }, controller.KeyD, controller.Press)
			customController.BindKeyAction(func() { move(mgl32.Vec2{}) }, controller.KeyW, controller.Release)
			customController.BindKeyAction(func() { move(mgl32.Vec2{}) }, controller.KeyA, controller.Release)
			customController.BindKeyAction(func() { move(mgl32.Vec2{}) }, controller.KeyS, controller.Release)
			customController.BindKeyAction(func() { move(mgl32.Vec2{}) }, controller.KeyD, controller.Release)
		}
	})
}
Exemplo n.º 3
0
func setupScene(gameEngine engine.Engine, shader *renderer.Shader) {
	camera := gameEngine.Camera()

	transparentNode := renderer.NewNode()
	gameEngine.AddSpatialTransparent(transparentNode)
	transparentNode.RendererParams = &renderer.RendererParams{
		DepthTest:    true,
		Unlit:        true,
		Transparency: renderer.EMISSIVE,
	}

	// Sky cubemap
	skyImg, err := assets.ImportImage("TestAssets/cloudSky.jpg")
	if err == nil {
		skyImg = imaging.AdjustBrightness(skyImg, -30)
		skyImg = imaging.AdjustContrast(skyImg, 30)
		geom := renderer.CreateSkyBox()
		geom.Transform(mgl32.Scale3D(10000, 10000, 10000))
		skyNode := renderer.NewNode()
		skyNode.SetOrientation(mgl32.QuatRotate(1.57, mgl32.Vec3{0, 1, 0}))
		skyNode.Material = renderer.NewMaterial(renderer.NewTexture("diffuseMap", skyImg, false))
		skyNode.RendererParams = renderer.NewRendererParams()
		skyNode.RendererParams.CullBackface = false
		skyNode.RendererParams.Unlit = true
		skyNode.Add(geom)
		gameEngine.AddSpatial(skyNode)
		// create an environmentMap using the skybox texture
		envCubeMap := renderer.NewCubemap("environmentMap", skyImg, true)
		gameEngine.DefaultCubeMap(envCubeMap)
	}

	// load scene objs
	objs := []string{
		"TestAssets/wellScene/floor.obj",
		"TestAssets/wellScene/frame1.obj",
		"TestAssets/wellScene/frame2.obj",
		"TestAssets/wellScene/well.obj",
		"TestAssets/wellScene/torches.obj",
	}
	for _, objFile := range objs {
		if geom, mat, err := assets.ImportObjCached(objFile); err == nil {
			sceneNode := renderer.NewNode()
			sceneNode.Add(geom)
			sceneNode.Material = mat
			sceneNode.RendererParams = renderer.NewRendererParams()
			sceneNode.RendererParams.CullBackface = false
			gameEngine.AddSpatial(sceneNode)
		}
	}

	for i := 0; i < 2; i++ {
		torchLocation := mgl32.Vec3{0.86, 1.76, 1.05}
		if i == 1 {
			torchLocation = mgl32.Vec3{0.86, 1.76, -1.05}
		}

		fire := fireParticles()
		spark := sparkParticles()
		torchParticles := effects.NewParticleGroup(camera, fire, spark)
		torchParticles.SetTranslation(torchLocation)
		transparentNode.Add(torchParticles)
		gameEngine.AddUpdatable(torchParticles)

		light := renderer.NewLight(renderer.POINT)
		light.SetTranslation(torchLocation.Add(mgl32.Vec3{0, 0.05, 0}))
		gameEngine.AddLight(light)

		var x float64
		gameEngine.AddUpdatable(engine.UpdatableFunc(func(dt float64) {
			x += dt
			mag := float32(math.Abs(0.6*math.Sin(3*x)+0.3*math.Sin(4*x)+0.15*math.Sin(7*x)+0.1*math.Sin(15*x))) + 0.5
			mag *= 0.05
			light.Color = [3]float32{1 * mag, 0.6 * mag, 0.4 * mag}
		}))
	}
}