2D view

Shaders/view2d.frag.glsl

@@ -0,0 +1,14 @@
+#version 450
+
+uniform sampler2D tex;
+in vec2 texCoord;
+in vec4 color;
+out vec4 FragColor;
+
+
+void main() {
+	// Show basecolor
+	vec4 texcolor = texture(tex, texCoord) * color;
+	// texcolor.rgb *= color.a;
+	FragColor = vec4(texcolor.rgb, 1.0);
+}

Shaders/view2d.vert.glsl

@@ -0,0 +1,14 @@
+#version 450
+
+in vec3 vertexPosition;
+in vec2 texPosition;
+in vec4 vertexColor;
+uniform mat4 projectionMatrix;
+out vec2 texCoord;
+out vec4 color;
+
+void main() {
+	gl_Position = projectionMatrix * vec4(vertexPosition, 1.0);
+	texCoord = texPosition;
+	color = vertexColor;
+}

Sources/arm/App.hx

@@ -55,6 +55,7 @@ class App extends iron.Trait {
 						notifyOnRender2D(render);
 						object.addTrait(new UITrait());
 						object.addTrait(new UINodes());
+						object.addTrait(new UIView2D());
 						object.addTrait(new FlyCamera());
 						object.addTrait(new OrbitCamera());
 					});
@@ -69,7 +70,7 @@ class App extends iron.Trait {
 		if (UINodes.inst == null || UITrait.inst == null) {
 			res = kha.System.windowWidth() - UITrait.defaultWindowW;
 		}
-		else if (UINodes.inst.show) {
+		else if (UINodes.inst.show || UIView2D.inst.show) {
 			res = Std.int((kha.System.windowWidth() - UITrait.inst.windowW) / 2);
 		}
 		else {

Sources/arm/UITrait.hx

@@ -334,6 +334,7 @@ class UITrait extends iron.Trait {
 		var kb = iron.system.Input.getKeyboard();
 		var shift = kb.down("shift");
 		if (kb.started("tab")) {
+			UIView2D.inst.show = false;
 			UINodes.inst.show = !UINodes.inst.show;
 			arm.App.resize();
 		}
@@ -474,17 +475,25 @@ class UITrait extends iron.Trait {
 	}
 
 	function showMaterialNodes() {
+		UIView2D.inst.show = false;
 		if (UINodes.inst.show && !UINodes.inst.isBrush) UINodes.inst.show = false;
 		else { UINodes.inst.show = true; UINodes.inst.isBrush = false; }
 		arm.App.resize();
 	}
 
 	function showBrushNodes() {
+		UIView2D.inst.show = false;
 		if (UINodes.inst.show && UINodes.inst.isBrush) UINodes.inst.show = false;
 		else { UINodes.inst.show = true; UINodes.inst.isBrush = true; }
 		arm.App.resize();
 	}
 
+	function show2DView() {
+		UINodes.inst.show = false;
+		UIView2D.inst.show = !UIView2D.inst.show;
+		arm.App.resize();
+	}
+
 	var outputType = 0;
 	var isBase = true;
 	var isOpac = true;
@@ -890,7 +899,7 @@ class UITrait extends iron.Trait {
 
 				if (ui.panel(Id.handle({selected: true}), "Layers")) {
 					if (ui.button("2D View")) {
-
+						show2DView();
 					}
 					// Picked color
 					ui.image(iron.RenderPath.active.renderTargets.get("texpaint_colorid0").image, 0xffffffff, 64);

Sources/arm/UIView2D.hx

@@ -1,7 +1,54 @@
 package arm;
 
-class UIView2D {
+import zui.*;
+
+class UIView2D extends iron.Trait {
+
+	public static var inst:UIView2D;
+
+	public var show = false;
+	public var wx:Int;
+	public var wy:Int;
+	public var ww:Int;
+
+	var pipe:kha.graphics4.PipelineState;
+
 	public function new() {
+		super();
+		inst = this;
+
+		pipe = new kha.graphics4.PipelineState();
+		pipe.fragmentShader = kha.Shaders.view2d_frag;
+		pipe.vertexShader = kha.Shaders.view2d_vert;
+		var vs = new kha.graphics4.VertexStructure();
+		vs.add("vertexPosition", kha.graphics4.VertexData.Float3);
+		vs.add("texPosition", kha.graphics4.VertexData.Float2);
+		vs.add("vertexColor", kha.graphics4.VertexData.Float4);
+		pipe.inputLayout = [vs];
+		pipe.compile();
+
+		notifyOnRender2D(render2D);
+	}
+
+	function render2D(g:kha.graphics2.Graphics) {
+		ww = Std.int(iron.App.w());
+		wx = Std.int(iron.App.w());
+		wy = 0;
+
+		if (!show) return;
 		
+		g.end();
+		if (UINodes.inst.grid == null) UINodes.inst.drawGrid();
+		g.begin(false);
+
+		g.color = 0xffffffff;
+		g.drawImage(UINodes.inst.grid, wx, wy);
+
+		var tw = Std.int(iron.App.w() * 0.95);
+		var tx = Std.int(iron.App.w() + (iron.App.w() - tw) / 2);
+		var ty = Std.int(iron.App.h() / 2 - tw / 2);
+		g.pipeline = pipe;
+		g.drawScaledImage(UITrait.inst.texpaint, tx, ty, tw, tw);
+		g.pipeline = null;
 	}
 }