Exemple #1
0
func (w *Window) run() {
	runtime.LockOSThread()
	glfw.MakeContextCurrent(w.w)
	defer glfw.MakeContextCurrent(nil)

	// glfw should fire initial resize events to avoid this duplication (https://github.com/glfw/glfw/issues/62)
	width, height := w.w.Size()
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, gl.Double(width), 0, gl.Double(height), -1, 1)
	Resize(w, Pt(float64(width), float64(height)))
	width, height = w.w.FramebufferSize()
	gl.Viewport(0, 0, gl.Sizei(width), gl.Sizei(height))

	gl.Enable(gl.BLEND)
	gl.Enable(gl.POINT_SMOOTH)
	gl.Enable(gl.LINE_SMOOTH)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)

	for !w.close {
		select {
		case f := <-w.do:
			f()
		case <-w.paint:
			gl.MatrixMode(gl.MODELVIEW)
			gl.LoadIdentity()

			gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
			w.base().paint()
			w.w.SwapBuffers()
		}
	}
}
Exemple #2
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func (g *Gui) Draw() {
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(gl.Double(g.region.X), gl.Double(g.region.X+g.region.Dx), gl.Double(g.region.Y+g.region.Dy), gl.Double(g.region.Y), 1000, -1000)
	gl.ClearColor(0, 0, 0, 1)
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	g.root.Draw(g.region, &styleStack{})
}
Exemple #3
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func (o *OpenGl) set2dView() {
	gl.Disable(gl.TEXTURE_2D)
	gl.Disable(gl.DEPTH_TEST)
	gl.Disable(gl.LIGHTING)
	gl.Disable(gl.LIGHT0)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, gl.Double(o.width), 0, gl.Double(o.height), -1, 1)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
}
Exemple #4
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func (g *Gui) Draw() {
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	region := g.root.Render_region
	gl.Ortho(gl.Double(region.X), gl.Double(region.X+region.Dx), gl.Double(region.Y), gl.Double(region.Y+region.Dy), 1000, -1000)
	gl.ClearColor(0, 0, 0, 1)
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	g.root.Draw(region)
	if g.FocusWidget() != nil {
		g.FocusWidget().DrawFocused(region)
	}
}
Exemple #5
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func drawScene() {
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.Rotated(-90, 1, 0, 0)
	//gl.Rotated(90, 0, 0, 1)
	gl.Rotated(gl.Double(-viewAngles[2]), 1, 0, 0)
	gl.Rotated(gl.Double(-viewAngles[0]), 0, 1, 0)
	gl.Rotated(gl.Double(-viewAngles[1]), 0, 0, 1)
	gl.Translated(gl.Double(viewOrg[0]), gl.Double(viewOrg[1]), gl.Double(viewOrg[2]))

	var r, g, b gl.Ubyte

	for i, face := range model.Faces {
		r = gl.Ubyte(i) + 100
		g = gl.Ubyte(i>>1) + 100
		b = gl.Ubyte(i>>2) + 100

		if model.Triangle {
			gl.Begin(gl.TRIANGLES)
		} else {
			gl.Begin(gl.LINES)
		}

		gl.Color4ub(r, g, b, 0xff)
		for _, v := range face.Verts {
			gl.Vertex3d(gl.Double(v.Pos[0]), gl.Double(v.Pos[1]), gl.Double(v.Pos[2]))
		}

		gl.End()
	}
}
Exemple #6
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func InitViewport() {
	gl.Viewport(0, 0, gl.Sizei(Width), gl.Sizei(Height))
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	x := gl.Double(float64(Height) / float64(Width))
	gl.Frustum(-1./2., 1./2., -x/2, x/2, 10, 100)
}
Exemple #7
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func drawScene() {
	fps()
	gl.Clear(gl.COLOR_BUFFER_BIT)

	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	if input.Zoom > 0 {
		gl.Ortho(0, gl.Double(float64(*flagSize)/input.Zoom), gl.Double(float64(*flagSize)/input.Zoom), 0, -1, 1.0)
	}

	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.Translatef(gl.Float(input.TransX*1), gl.Float(input.TransY*1), 0)
	drawGrid()
	drawCells()
}
Exemple #8
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func (w *Window) run(init func(w *Window)) {
	runtime.LockOSThread()
	glfw.MakeContextCurrent(w.w)
	defer glfw.MakeContextCurrent(nil)

	init(w)

	// glfw should fire initial resize events to avoid this duplication (https://github.com/glfw/glfw/issues/62)
	w.resized(w.w.Size())
	w.framebufferResized(w.w.FramebufferSize())

	gl.Enable(gl.SCISSOR_TEST)
	gl.Enable(gl.BLEND)
	gl.Enable(gl.POINT_SMOOTH)
	gl.Enable(gl.LINE_SMOOTH)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)

	for !w.close {
		select {
		case f := <-w.do:
			f()
		case <-w.paint:
			gl.MatrixMode(gl.MODELVIEW)
			gl.LoadIdentity()

			gl.Scissor(0, 0, w.bufWidth, w.bufHeight)
			gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
			w.base().paint()
			w.w.SwapBuffers()
		}
	}
}
Exemple #9
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// resize resizes the window to the specified dimensions.
func resize(width, height int) {
	gl.Viewport(0, 0, gl.Sizei(width), gl.Sizei(height))
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(-30.0, 30.0, -30.0, 30.0, -30.0, 30.0)
	gl.MatrixMode(gl.MODELVIEW)
}
Exemple #10
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func getPlayers(console *base.Console) []gin.DeviceId {
	var ct controllerTracker
	gin.In().RegisterEventListener(&ct)
	defer gin.In().UnregisterEventListener(&ct)
	ticker := time.Tick(time.Millisecond * 17)
	start := time.Time{}
	readyDuration := time.Second * 2
	for start.IsZero() || time.Now().Sub(start) < readyDuration {
		<-ticker
		sys.Think()
		if ct.Ready() && start.IsZero() {
			start = time.Now()
		}
		if !ct.Ready() {
			start = time.Time{}
		}
		render.Queue(func() {
			defer console.Draw(0, 0, wdx, wdy)
			gl.Clear(gl.COLOR_BUFFER_BIT)
			gl.Disable(gl.DEPTH_TEST)
			gui.SetFontColor(1, 1, 1, 1)
			gl.Disable(gl.TEXTURE_2D)
			gl.MatrixMode(gl.PROJECTION)
			gl.LoadIdentity()
			gl.Ortho(gl.Double(0), gl.Double(wdx), gl.Double(wdy), gl.Double(0), 1000, -1000)
			gl.ClearColor(0, 0, 0, 1)
			gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
			gl.MatrixMode(gl.MODELVIEW)
			gl.LoadIdentity()
			base.GetDictionary("crackin").RenderString(fmt.Sprintf("Num players: %d", len(ct.ids)), float64(wdx)/2, 300, 0, 100, gui.Center)
			base.GetDictionary("crackin").RenderString(fmt.Sprintf("Num ready: %d", ct.NumReady()), float64(wdx)/2, 400, 0, 100, gui.Center)
			if !start.IsZero() {
				base.GetDictionary("crackin").RenderString(fmt.Sprintf("Starting in %2.2f", (readyDuration-time.Now().Sub(start)).Seconds()), float64(wdx)/2, 500, 0, 100, gui.Center)
			}
		})
		render.Queue(func() {
			sys.SwapBuffers()
		})
		render.Purge()
	}
	var devices []gin.DeviceId
	for id := range ct.ids {
		devices = append(devices, id)
	}
	return devices
}
func SetUpCamera(
	screenWidth int32,
	screenHeight int32,
	lb *LevelBlueprint,
	playerIndex int32) {
	pb := &lb.Players[playerIndex]

	// Calculate the distance between the near plane and the camera. We want
	// (PaddleAreaWidth / 2) / cameraDist = tan(CameraHorzFovDegrees / 2)
	t := math.Tan(math.Pi * Config.CameraHorzFovDegrees / 360)
	cameraDist := pb.PaddleAreaWidth / (2 * t)
	cameraPos := pb.PaddleAreaCenter.Minus(
		pb.Orientation.Forward.Times(cameraDist))

	// Set up the projection matrix.
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Viewport(0, 0, gl.Sizei(screenWidth), gl.Sizei(screenHeight))
	gl.Frustum(
		gl.Double(-pb.PaddleAreaWidth/2), gl.Double(pb.PaddleAreaWidth/2),
		gl.Double(-pb.PaddleAreaHeight/2), gl.Double(pb.PaddleAreaHeight/2),
		gl.Double(cameraDist), gl.Double(cameraDist+Config.ViewDepth))

	// Set up the modelview matrix.
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	transformation := [16]gl.Double{
		gl.Double(pb.Orientation.Right.X),
		gl.Double(pb.Orientation.Up.X),
		gl.Double(-pb.Orientation.Forward.X),
		gl.Double(0.0),
		gl.Double(pb.Orientation.Right.Y),
		gl.Double(pb.Orientation.Up.Y),
		gl.Double(-pb.Orientation.Forward.Y),
		gl.Double(0.0),
		gl.Double(pb.Orientation.Right.Z),
		gl.Double(pb.Orientation.Up.Z),
		gl.Double(-pb.Orientation.Forward.Z),
		gl.Double(0.0),
		gl.Double(0.0), gl.Double(0.0), gl.Double(0.0), gl.Double(1.0)}
	gl.MultMatrixd(&transformation[0])
	gl.Translated(
		gl.Double(-cameraPos.X),
		gl.Double(-cameraPos.Y),
		gl.Double(-cameraPos.Z))
}
Exemple #12
0
// Set the GL modelview matrix to match view position and orientation.
func UpdateViewpos() {
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.Translatef(gl.Float(Viewpos[0]), gl.Float(Viewpos[1]), gl.Float(Viewpos[2]))
	gl.Rotatef(gl.Float(Rot[0]*2), 1, 0, 0)
	gl.Rotatef(gl.Float(Rot[1]*2), 0, 1, 0)
	gl.Rotatef(gl.Float(Rot[2]*2), 0, 0, 1)
}
Exemple #13
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func mainLoop(client sgf.ClientEngine, controllers []gin.DeviceId, console *base.Console) {
	client.MakeRequest(game.Join{Rebels: make([]*game.RebelPlayer, 2)})
	ticker := time.Tick(time.Millisecond * 17)
	render.Queue(func() {
		gl.Enable(gl.BLEND)
		gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	})
	for {
		<-ticker
		if gin.In().GetKey(gin.AnyEscape).FramePressCount() != 0 {
			return
		}
		sys.Think()
		render.Queue(func() {
			gl.Clear(gl.COLOR_BUFFER_BIT)
			gl.Disable(gl.DEPTH_TEST)
			gui.SetFontColor(1, 1, 1, 1)
			gl.Disable(gl.TEXTURE_2D)
			gl.MatrixMode(gl.PROJECTION)
			gl.LoadIdentity()
			gl.Ortho(gl.Double(0), gl.Double(wdx), gl.Double(wdy), gl.Double(0), 1000, -1000)
			gl.ClearColor(0, 0, 0, 1)
			gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
			gl.MatrixMode(gl.MODELVIEW)
			gl.LoadIdentity()
			base.GetDictionary("crackin").RenderString("Waiting on some nubs", float64(wdx)/2, 300, 0, 100, gui.Center)
		})

		client.RLock()
		g := client.Game().(*game.Game)
		mode := g.Mode
		client.RUnlock()
		if mode == game.ModeWaiting {
		} else if mode == game.ModeProgram {
			programLoop(client, controllers, console)
		} else if mode == game.ModeRun {

		}

		render.Queue(func() {
			sys.SwapBuffers()
		})
		render.Purge()
	}
}
Exemple #14
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func Enable2d(x1, y1, w, h gl.Double) {

	// Save a copy of the proj matrix so we can restore it
	// when we want to do more 3d rendering
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()

	// Set up orthographic projection
	gl.Ortho(x1, x1+w, y1, y1+h, 0.0, 1)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()

	// Make sure depth testing and lighting are disabled for 2d redering
	// until we are fninished rendering in 2d
	gl.PushAttrib(gl.DEPTH_BUFFER_BIT | gl.LIGHTING_BIT)
	gl.Disable(gl.DEPTH_TEST)
	gl.Disable(gl.LIGHTING)
}
Exemple #15
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func (w *Window) resized(width, height int) {
	wid, hei := float64(width), float64(height)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, gl.Double(wid), 0, gl.Double(hei), -1, 1)
	w.Self.Resize(wid, hei)
	if w.centralView != nil {
		w.centralView.Resize(wid, hei)
	}
}
Exemple #16
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func glInit(width, height int) {
	gl.Init()
	gl.Enable(gl.TEXTURE_2D)
	gl.PixelStorei(gl.UNPACK_ALIGNMENT, 1)
	gl.Viewport(0, 0, gl.Sizei(width), gl.Sizei(height))
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, gl.Double(width), gl.Double(height), 0, -1, 1)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)

	gl.EnableClientState(gl.VERTEX_ARRAY)
	gl.EnableClientState(gl.COLOR_ARRAY)
	gl.EnableClientState(gl.TEXTURE_COORD_ARRAY)
	gl.VertexPointer(2, gl.FLOAT, 0, gl.Pointer(&vs[0]))
	gl.ColorPointer(3, gl.UNSIGNED_BYTE, 0, gl.Pointer(&cs[0]))
	gl.TexCoordPointer(2, gl.FLOAT, 0, gl.Pointer(&ts[0]))
}
Exemple #17
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func (o *OpenGl) initScene() (err error) {
	gl.ClearColor(0.0, 0.0, 0.0, 0.0)
	gl.ClearDepth(1)
	gl.DepthFunc(gl.LEQUAL)

	ambient := []gl.Float{0.5, 0.5, 0.5, 1}
	diffuse := []gl.Float{1, 1, 1, 1}
	position := []gl.Float{-5, 5, 10, 0}
	gl.Lightfv(gl.LIGHT0, gl.AMBIENT, &ambient[0])
	gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, &diffuse[0])
	gl.Lightfv(gl.LIGHT0, gl.POSITION, &position[0])

	gl.Viewport(0, 0, gl.Sizei(o.width), gl.Sizei(o.height))
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Frustum(-1, 1, -1, 1, 1.0, 10.0)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()

	return nil
}
Exemple #18
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func (g *Game) RenderLocalEditor(region g2.Region) {
	g.editor.Lock()
	defer g.editor.Unlock()
	g.editor.region = region
	g.editor.camera.regionDims = linear.Vec2{float64(region.Dims.Dx), float64(region.Dims.Dy)}
	levelDims := linear.Vec2{float64(g.Level.Room.Dx), float64(g.Level.Room.Dy)}
	g.editor.camera.StandardRegion(levelDims.Scale(0.5), levelDims)
	g.editor.camera.approachTarget()

	gl.MatrixMode(gl.PROJECTION)
	gl.PushMatrix()
	gl.LoadIdentity()
	defer gl.PopMatrix()

	gl.PushAttrib(gl.VIEWPORT_BIT)
	gl.Viewport(gl.Int(region.X), gl.Int(region.Y), gl.Sizei(region.Dx), gl.Sizei(region.Dy))
	defer gl.PopAttrib()

	current := &g.editor.camera.current
	gl.Ortho(
		gl.Double(current.mid.X-current.dims.X/2),
		gl.Double(current.mid.X+current.dims.X/2),
		gl.Double(current.mid.Y+current.dims.Y/2),
		gl.Double(current.mid.Y-current.dims.Y/2),
		gl.Double(1000),
		gl.Double(-1000),
	)
	defer func() {
		gl.MatrixMode(gl.PROJECTION)
		gl.PopMatrix()
		gl.MatrixMode(gl.MODELVIEW)
	}()
	gl.MatrixMode(gl.MODELVIEW)

	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)

	g.renderWalls()
	g.renderEdges()
	g.renderBases()
	g.renderEntsAndAbilities()
	g.renderProcesses()

	g.editor.renderPathing(&g.Level.Room, g.local.pathingData)

	switch g.editor.action {
	case editorActionNone:
	case editorActionPlaceBlock:
		g.editor.renderPlaceBlock(g)
	default:
		base.Error().Printf("Unexpected editorAction: %v", g.editor.action)
	}
}
Exemple #19
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func (o *OpenGl) set3dView() {
	gl.Enable(gl.TEXTURE_2D)
	gl.Enable(gl.DEPTH_TEST)
	gl.Enable(gl.LIGHTING)
	gl.Enable(gl.LIGHT0)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	//gl.Perspective(cam.Zoom(), o.mW / o.mH, cam.Near(), cam.Far())
	gl.MatrixMode(gl.MODELVIEW)
	//e := o.Camera.EYE()
	//a := o.Camera.AT()
	//u := o.Camera.UP()
	//gl.LookAt(e.X, e.Y, e.Z, a.X, a.Y, a.Z, u.X, u.Y, u.Z)
}
Exemple #20
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func initScene(width, height int, init func()) (err error) {
	gl.Disable(gl.DEPTH_TEST)

	gl.ClearColor(0.5, 0.5, 0.5, 0.0)

	gl.Viewport(0, 0, gl.Sizei(width), gl.Sizei(height))
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, gl.Double(width), gl.Double(height), 0, 0, 1)
	gl.MatrixMode(gl.MODELVIEW)

	init()

	return
}
Exemple #21
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func initScene() (err error) {
	gl.Enable(gl.TEXTURE_2D)
	gl.Enable(gl.DEPTH_TEST)
	gl.Enable(gl.LIGHTING)

	gl.ClearColor(0.5, 0.5, 0.5, 0.0)
	gl.ClearDepth(1)
	gl.DepthFunc(gl.LEQUAL)

	gl.Lightfv(gl.LIGHT0, gl.AMBIENT, &ambient[0])
	gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, &diffuse[0])
	gl.Lightfv(gl.LIGHT0, gl.POSITION, &lightpos[0])
	gl.Enable(gl.LIGHT0)

	gl.Viewport(0, 0, Width, Height)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Frustum(-1, 1, -1, 1, 1.0, 10.0)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()

	texture, err = createTextureFromBytes(gopher_png[:])
	return
}
Exemple #22
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func initScene() {
	gl.Enable(gl.DEPTH_TEST)
	gl.Enable(gl.LIGHTING)

	gl.ClearColor(0.1, 0.1, 0.6, 1.0)
	gl.ClearDepth(1)
	gl.DepthFunc(gl.LEQUAL)

	gl.Lightfv(gl.LIGHT0, gl.AMBIENT, &ambient[0])
	gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, &diffuse[0])
	gl.Lightfv(gl.LIGHT0, gl.POSITION, &lightPos[0])
	gl.Enable(gl.LIGHT0)

	gl.Viewport(0, 0, Width, Height)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Frustum(-1, 1, -1, 1, 1.0, 1000.0)
	gl.Rotatef(20, 1, 0, 0)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.PushMatrix()

	return
}
Exemple #23
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func (a *app) OnResize(w, h int) {
	oaspect := float64(a.imgW()) / float64(a.imgH())
	haspect := float64(w) / float64(h)
	vaspect := float64(h) / float64(w)
	var scx, scy float64
	if oaspect > haspect {
		scx = 1
		scy = haspect / oaspect
	} else {
		scx = vaspect * oaspect
		scy = 1
	}
	gl.Viewport(0, 0, gl.Sizei(w), gl.Sizei(h))
	gl.LoadIdentity()
	gl.Scaled(gl.Double(scx), gl.Double(scy), 1)
}
Exemple #24
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func (g *Game) RenderLocalGame(region g2.Region) {
	g.local.Camera.regionDims = linear.Vec2{float64(region.Dims.Dx), float64(region.Dims.Dy)}
	// func (g *Game) renderLocalHelper(region g2.Region, local *LocalData, camera *cameraInfo, side int) {
	g.local.Camera.FocusRegion(g, 0)
	gl.MatrixMode(gl.PROJECTION)
	gl.PushMatrix()
	gl.LoadIdentity()
	// Set the viewport so that we only render into the region that we're supposed
	// to render to.
	// TODO: Check if this works on all graphics cards - I've heard that the opengl
	// spec doesn't actually require that viewport does any clipping.
	gl.PushAttrib(gl.VIEWPORT_BIT)
	gl.Viewport(gl.Int(region.X), gl.Int(region.Y), gl.Sizei(region.Dx), gl.Sizei(region.Dy))
	defer gl.PopAttrib()

	current := &g.local.Camera.current
	gl.Ortho(
		gl.Double(current.mid.X-current.dims.X/2),
		gl.Double(current.mid.X+current.dims.X/2),
		gl.Double(current.mid.Y+current.dims.Y/2),
		gl.Double(current.mid.Y-current.dims.Y/2),
		gl.Double(1000),
		gl.Double(-1000),
	)
	defer func() {
		gl.MatrixMode(gl.PROJECTION)
		gl.PopMatrix()
		gl.MatrixMode(gl.MODELVIEW)
	}()
	gl.MatrixMode(gl.MODELVIEW)

	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)

	level := g.Level
	zoom := current.dims.X / float64(region.Dims.Dx)
	level.ManaSource.Draw(zoom, float64(level.Room.Dx), float64(level.Room.Dy))

	g.renderWalls()
	g.renderEdges()
	g.renderBases()
	g.renderEntsAndAbilities()
	g.renderProcesses()
	g.RenderLosMask()
}
Exemple #25
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func PositionCamera(x, y gl.Double, width, height gl.Sizei) {
	texs.Disable2d()
	texs.Enable2d(x, y, 1000, 900)

	gl.Viewport(0, 0, 1000, 900)
	gl.LoadIdentity()

	title := strconv.FormatInt(int64(x), 10) + " , " + strconv.FormatInt(int64(y), 10)

	glfw.SetWindowTitle(title)

	X = x
	y = Y
	Width = width
	Height = height

	//UpdateActiveSystems()

}
Exemple #26
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func DrawStarTex(t *data.Star) {

	// Find the center point of the texture to rotate around
	xav := (t.X1 + t.X2) / 2
	yav := (t.Y1 + t.Y2) / 2

	//Translate there, rotate, translate back
	gl.MatrixMode(gl.MODELVIEW)
	gl.Translatef(xav, yav, 0)
	gl.Rotatef(gl.Float(t.Theta), 0, 0, 1)
	gl.Translatef(-xav, -yav, 0)

	//Bind our texture to be drawn by id
	gl.Color3f(1, 1, 1)
	gl.Enable(gl.TEXTURE_2D)
	gl.BindTexture(gl.TEXTURE_2D, t.TexId)

	// Draw a rectangle with the texture stretched to the corners
	gl.Begin(gl.QUADS)

	// Stretch the texture to its 4 corners.
	gl.TexCoord2d(0, 0)
	gl.Vertex2f(t.X1, t.Y1)

	gl.TexCoord2d(0, 1)
	gl.Vertex2f(t.X1, t.Y2)

	gl.TexCoord2d(1, 1)
	gl.Vertex2f(t.X2, t.Y2)

	gl.TexCoord2d(1, 0)
	gl.Vertex2f(t.X2, t.Y1)

	gl.End()

	// Unbind the texture in case something else wants to draw
	gl.Disable(gl.TEXTURE_2D)

	// Reset the matrix
	gl.LoadIdentity()

}
Exemple #27
0
func initScene() {
	gl.Disable(gl.TEXTURE_2D)
	gl.Disable(gl.DEPTH_TEST)
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.Disable(gl.ALPHA_TEST)
	gl.Enable(gl.LINE_SMOOTH)
	gl.Hint(gl.LINE_SMOOTH_HINT, gl.NICEST)
	gl.PolygonMode(gl.FRONT_AND_BACK, gl.LINE)
	gl.LineWidth(1.0)

	gl.ClearColor(0.0, 0.0, 0.0, 0.0)
	gl.ClearDepth(1)
	//gl.DepthFunc(gl.LEQUAL)

	gl.Viewport(0, 0, Width, Height)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	perspective(110.0, 1.0, 4, 8192)
}
Exemple #28
0
// draw draws the triangle.
func draw() {
	gl.ClearColor(0.3, 0.3, 0.3, 0.0)
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	gl.ShadeModel(gl.SMOOTH)

	gl.LoadIdentity()
	gl.Translatef(-15.0, -15.0, 0.0)

	gl.Begin(gl.TRIANGLES)

	gl.Color3f(1.0, 0.0, 0.0)
	gl.Vertex2f(0.0, 0.0)

	gl.Color3f(0.0, 1.0, 0.0)
	gl.Vertex2f(30.0, 0.0)

	gl.Color3f(0.0, 0.0, 1.0)
	gl.Vertex2f(0.0, 30.0)

	gl.End()

	win.SwapBuffers()
}
Exemple #29
0
func drawScene() {
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.Translatef(0, 0, -3.0)
	gl.Rotatef(rotx, 1, 0, 0)
	gl.Rotatef(roty, 0, 1, 0)

	rotx += 0.5
	roty += 0.5

	gl.BindTexture(gl.TEXTURE_2D, texture)

	gl.Color4f(1, 1, 1, 1)

	gl.Begin(gl.QUADS)

	gl.Normal3f(0, 0, 1)
	gl.TexCoord2f(0, 0)
	gl.Vertex3f(-1, -1, 1)
	gl.TexCoord2f(1, 0)
	gl.Vertex3f(1, -1, 1)
	gl.TexCoord2f(1, 1)
	gl.Vertex3f(1, 1, 1)
	gl.TexCoord2f(0, 1)
	gl.Vertex3f(-1, 1, 1)

	gl.Normal3f(0, 0, -1)
	gl.TexCoord2f(1, 0)
	gl.Vertex3f(-1, -1, -1)
	gl.TexCoord2f(1, 1)
	gl.Vertex3f(-1, 1, -1)
	gl.TexCoord2f(0, 1)
	gl.Vertex3f(1, 1, -1)
	gl.TexCoord2f(0, 0)
	gl.Vertex3f(1, -1, -1)

	gl.Normal3f(0, 1, 0)
	gl.TexCoord2f(0, 1)
	gl.Vertex3f(-1, 1, -1)
	gl.TexCoord2f(0, 0)
	gl.Vertex3f(-1, 1, 1)
	gl.TexCoord2f(1, 0)
	gl.Vertex3f(1, 1, 1)
	gl.TexCoord2f(1, 1)
	gl.Vertex3f(1, 1, -1)

	gl.Normal3f(0, -1, 0)
	gl.TexCoord2f(1, 1)
	gl.Vertex3f(-1, -1, -1)
	gl.TexCoord2f(0, 1)
	gl.Vertex3f(1, -1, -1)
	gl.TexCoord2f(0, 0)
	gl.Vertex3f(1, -1, 1)
	gl.TexCoord2f(1, 0)
	gl.Vertex3f(-1, -1, 1)

	gl.Normal3f(1, 0, 0)
	gl.TexCoord2f(1, 0)
	gl.Vertex3f(1, -1, -1)
	gl.TexCoord2f(1, 1)
	gl.Vertex3f(1, 1, -1)
	gl.TexCoord2f(0, 1)
	gl.Vertex3f(1, 1, 1)
	gl.TexCoord2f(0, 0)
	gl.Vertex3f(1, -1, 1)

	gl.Normal3f(-1, 0, 0)
	gl.TexCoord2f(0, 0)
	gl.Vertex3f(-1, -1, -1)
	gl.TexCoord2f(1, 0)
	gl.Vertex3f(-1, -1, 1)
	gl.TexCoord2f(1, 1)
	gl.Vertex3f(-1, 1, 1)
	gl.TexCoord2f(0, 1)
	gl.Vertex3f(-1, 1, -1)

	gl.End()
}
Exemple #30
0
// Need floor, right wall, and left wall matrices to draw the details
func (room *Room) render(floor, left, right mathgl.Mat4, zoom float32, base_alpha byte, drawables []Drawable, los_tex *LosTexture, floor_drawers []FloorDrawer) {
	do_color := func(r, g, b, a byte) {
		R, G, B, A := room.Color()
		A = alphaMult(A, base_alpha)
		gl.Color4ub(alphaMult(R, r), alphaMult(G, g), alphaMult(B, b), alphaMult(A, a))
	}
	gl.Enable(gl.TEXTURE_2D)
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.Enable(gl.STENCIL_TEST)
	gl.ClearStencil(0)
	gl.Clear(gl.STENCIL_BUFFER_BIT)

	gl.EnableClientState(gl.VERTEX_ARRAY)
	gl.EnableClientState(gl.TEXTURE_COORD_ARRAY)
	defer gl.DisableClientState(gl.VERTEX_ARRAY)
	defer gl.DisableClientState(gl.TEXTURE_COORD_ARRAY)

	var vert roomVertex

	planes := []plane{
		{room.left_buffer, room.Wall, &left},
		{room.right_buffer, room.Wall, &right},
		{room.floor_buffer, room.Floor, &floor},
	}

	gl.PushMatrix()
	defer gl.PopMatrix()

	if los_tex != nil {
		gl.LoadMatrixf(&floor[0])
		gl.ClientActiveTexture(gl.TEXTURE1)
		gl.ActiveTexture(gl.TEXTURE1)
		gl.Enable(gl.TEXTURE_2D)
		gl.EnableClientState(gl.TEXTURE_COORD_ARRAY)
		los_tex.Bind()
		gl.BindBuffer(gl.ARRAY_BUFFER, room.vbuffer)
		gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.los_u)))
		gl.ClientActiveTexture(gl.TEXTURE0)
		gl.ActiveTexture(gl.TEXTURE0)
		base.EnableShader("los")
		base.SetUniformI("los", "tex2", 1)
	}

	var mul, run mathgl.Mat4
	for _, plane := range planes {
		gl.LoadMatrixf(&floor[0])
		run.Assign(&floor)

		// Render the doors and cut out the stencil buffer so we leave them empty
		// if they're open
		switch plane.mat {
		case &left:
			gl.StencilFunc(gl.ALWAYS, 1, 1)
			gl.StencilOp(gl.REPLACE, gl.REPLACE, gl.REPLACE)
			for _, door := range room.Doors {
				if door.Facing != FarLeft {
					continue
				}
				door.TextureData().Bind()
				R, G, B, A := door.Color()
				do_color(R, G, B, alphaMult(A, room.far_left.wall_alpha))
				gl.ClientActiveTexture(gl.TEXTURE0)
				door.TextureData().Bind()
				if door.door_glids.floor_buffer != 0 {
					gl.BindBuffer(gl.ARRAY_BUFFER, door.threshold_glids.vbuffer)
					gl.VertexPointer(3, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.x)))
					gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, door.door_glids.floor_buffer)
					gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.u)))
					gl.ClientActiveTexture(gl.TEXTURE1)
					gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.los_u)))
					gl.DrawElements(gl.TRIANGLES, door.door_glids.floor_count, gl.UNSIGNED_SHORT, nil)
				}
			}
			gl.StencilFunc(gl.NOTEQUAL, 1, 1)
			gl.StencilOp(gl.KEEP, gl.KEEP, gl.KEEP)
			do_color(255, 255, 255, room.far_left.wall_alpha)

		case &right:
			gl.StencilFunc(gl.ALWAYS, 1, 1)
			gl.StencilOp(gl.REPLACE, gl.REPLACE, gl.REPLACE)
			for _, door := range room.Doors {
				if door.Facing != FarRight {
					continue
				}
				door.TextureData().Bind()
				R, G, B, A := door.Color()
				do_color(R, G, B, alphaMult(A, room.far_right.wall_alpha))
				gl.ClientActiveTexture(gl.TEXTURE0)
				door.TextureData().Bind()
				if door.door_glids.floor_buffer != 0 {
					gl.BindBuffer(gl.ARRAY_BUFFER, door.threshold_glids.vbuffer)
					gl.VertexPointer(3, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.x)))
					gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, door.door_glids.floor_buffer)
					gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.u)))
					gl.ClientActiveTexture(gl.TEXTURE1)
					gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.los_u)))
					gl.DrawElements(gl.TRIANGLES, door.door_glids.floor_count, gl.UNSIGNED_SHORT, nil)
				}
			}
			gl.StencilFunc(gl.NOTEQUAL, 1, 1)
			gl.StencilOp(gl.KEEP, gl.KEEP, gl.KEEP)
			do_color(255, 255, 255, room.far_right.wall_alpha)

		case &floor:
			gl.StencilFunc(gl.ALWAYS, 2, 2)
			gl.StencilOp(gl.REPLACE, gl.REPLACE, gl.REPLACE)
			do_color(255, 255, 255, 255)
		}

		gl.ClientActiveTexture(gl.TEXTURE0)
		gl.BindBuffer(gl.ARRAY_BUFFER, room.vbuffer)
		gl.VertexPointer(3, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.x)))
		gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.u)))
		gl.ClientActiveTexture(gl.TEXTURE1)
		if los_tex != nil {
			los_tex.Bind()
		}
		gl.BindBuffer(gl.ARRAY_BUFFER, room.vbuffer)
		gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.los_u)))
		// Now draw the walls
		gl.LoadMatrixf(&floor[0])
		plane.texture.Data().Bind()
		gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, plane.index_buffer)
		if (plane.mat == &left || plane.mat == &right) && strings.Contains(string(room.Wall.Path), "gradient.png") {
			base.EnableShader("gorey")
			base.SetUniformI("gorey", "tex", 0)
			base.SetUniformI("gorey", "foo", Foo)
			base.SetUniformF("gorey", "num_rows", Num_rows)
			base.SetUniformF("gorey", "noise_rate", Noise_rate)
			base.SetUniformF("gorey", "num_steps", Num_steps)
		}
		if plane.mat == &floor && strings.Contains(string(room.Floor.Path), "gradient.png") {
			base.EnableShader("gorey")
			base.SetUniformI("gorey", "tex", 0)
			base.SetUniformI("gorey", "foo", Foo)
			base.SetUniformF("gorey", "num_rows", Num_rows)
			base.SetUniformF("gorey", "noise_rate", Noise_rate)
			base.SetUniformF("gorey", "num_steps", Num_steps)
			zexp := math.Log(float64(zoom))
			frac := 1 - 1/zexp
			frac = (frac - 0.6) * 5.0
			switch {
			case frac > 0.7:
				base.SetUniformI("gorey", "range", 1)
			case frac > 0.3:
				base.SetUniformI("gorey", "range", 2)
			default:
				base.SetUniformI("gorey", "range", 3)
			}
		}
		if plane.mat == &floor {
			R, G, B, _ := room.Color()
			gl.Color4ub(R, G, B, 255)
		}
		gl.DrawElements(gl.TRIANGLES, gl.Sizei(room.floor_count), gl.UNSIGNED_SHORT, nil)
		if los_tex != nil {
			base.EnableShader("los")
		} else {
			base.EnableShader("")
		}
	}

	for _, wt := range room.WallTextures {
		if room.wall_texture_gl_map == nil {
			room.wall_texture_gl_map = make(map[*WallTexture]wallTextureGlIds)
			room.wall_texture_state_map = make(map[*WallTexture]wallTextureState)
		}
		ids := room.wall_texture_gl_map[wt]
		state := room.wall_texture_state_map[wt]
		var new_state wallTextureState
		new_state.flip = wt.Flip
		new_state.rot = wt.Rot
		new_state.x = wt.X
		new_state.y = wt.Y
		new_state.room.x = room.X
		new_state.room.y = room.Y
		new_state.room.dx = room.Size.Dx
		new_state.room.dy = room.Size.Dy
		if new_state != state {
			wt.setupGlStuff(room.X, room.Y, room.Size.Dx, room.Size.Dy, &ids)
			room.wall_texture_gl_map[wt] = ids
			room.wall_texture_state_map[wt] = new_state
		}
		gl.LoadMatrixf(&floor[0])
		if ids.vbuffer != 0 {
			wt.Texture.Data().Bind()
			R, G, B, A := wt.Color()

			gl.ClientActiveTexture(gl.TEXTURE0)
			gl.BindBuffer(gl.ARRAY_BUFFER, ids.vbuffer)
			gl.VertexPointer(3, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.x)))
			gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.u)))
			gl.ClientActiveTexture(gl.TEXTURE1)
			gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.los_u)))
			gl.ClientActiveTexture(gl.TEXTURE0)
			if ids.floor_buffer != 0 {
				gl.StencilFunc(gl.ALWAYS, 2, 2)
				gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, ids.floor_buffer)
				gl.Color4ub(R, G, B, A)
				gl.DrawElements(gl.TRIANGLES, ids.floor_count, gl.UNSIGNED_SHORT, nil)
			}
			if ids.left_buffer != 0 {
				gl.StencilFunc(gl.ALWAYS, 1, 1)
				gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, ids.left_buffer)
				do_color(R, G, B, alphaMult(A, room.far_left.wall_alpha))
				gl.DrawElements(gl.TRIANGLES, ids.left_count, gl.UNSIGNED_SHORT, nil)
			}
			if ids.right_buffer != 0 {
				gl.StencilFunc(gl.ALWAYS, 1, 1)
				gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, ids.right_buffer)
				do_color(R, G, B, alphaMult(A, room.far_right.wall_alpha))
				gl.DrawElements(gl.TRIANGLES, ids.right_count, gl.UNSIGNED_SHORT, nil)
			}
		}
	}
	base.EnableShader("marble")
	base.SetUniformI("marble", "tex2", 1)
	base.SetUniformF("marble", "room_x", float32(room.X))
	base.SetUniformF("marble", "room_y", float32(room.Y))
	for _, door := range room.Doors {
		door.setupGlStuff(room)
		if door.threshold_glids.vbuffer == 0 {
			continue
		}
		if door.AlwaysOpen() {
			continue
		}
		if door.highlight_threshold {
			gl.Color4ub(255, 255, 255, 255)
		} else {
			gl.Color4ub(128, 128, 128, 255)
		}
		gl.BindBuffer(gl.ARRAY_BUFFER, door.threshold_glids.vbuffer)
		gl.VertexPointer(3, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.x)))
		gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.u)))
		gl.ClientActiveTexture(gl.TEXTURE1)
		gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(unsafe.Sizeof(vert)), gl.Pointer(unsafe.Offsetof(vert.los_u)))
		gl.ClientActiveTexture(gl.TEXTURE0)
		gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, door.threshold_glids.floor_buffer)
		gl.DrawElements(gl.TRIANGLES, door.threshold_glids.floor_count, gl.UNSIGNED_SHORT, nil)
	}
	base.EnableShader("")
	if los_tex != nil {
		base.EnableShader("")
		gl.ActiveTexture(gl.TEXTURE1)
		gl.Disable(gl.TEXTURE_2D)
		gl.ActiveTexture(gl.TEXTURE0)
		gl.ClientActiveTexture(gl.TEXTURE1)
		gl.DisableClientState(gl.TEXTURE_COORD_ARRAY)
		gl.ClientActiveTexture(gl.TEXTURE0)
	}

	run.Assign(&floor)
	mul.Translation(float32(-room.X), float32(-room.Y), 0)
	run.Multiply(&mul)
	gl.LoadMatrixf(&run[0])
	gl.StencilFunc(gl.EQUAL, 2, 3)
	gl.StencilOp(gl.KEEP, gl.KEEP, gl.KEEP)
	room_rect := image.Rect(room.X, room.Y, room.X+room.Size.Dx, room.Y+room.Size.Dy)
	for _, fd := range floor_drawers {
		x, y := fd.Pos()
		dx, dy := fd.Dims()
		if room_rect.Overlaps(image.Rect(x, y, x+dx, y+dy)) {
			fd.RenderOnFloor()
		}
	}

	do_color(255, 255, 255, 255)
	gl.LoadIdentity()
	gl.Disable(gl.STENCIL_TEST)
	room.renderFurniture(floor, 255, drawables, los_tex)

	gl.ClientActiveTexture(gl.TEXTURE1)
	gl.Disable(gl.TEXTURE_2D)
	gl.ClientActiveTexture(gl.TEXTURE0)
	base.EnableShader("")
}