Implemented a basic Direct Wrap node.

Input an image, mask and angle - applying a wrap based on the inputs

- Need to cleanup stuff
- Based heavily on blur implementation, need to set the names to be more indicative and general
- Change the map source from file to color input

Libraries/shaderlib/Sources/arm/shader/MaterialParser.hx

@@ -517,10 +517,43 @@ class MaterialParser {
 			var gamma = parse_value_input(node.inputs[1]);
 			return 'pow($out_col, ' + to_vec3('$gamma') + ")";
 		}
+
+		else if(node.type == "DIRECT_WARP"){
+			// Already fetched
+			if (parsed.indexOf(res_var_name(node, node.outputs[0])) >= 0) {
+			 	var varname = store_var_name(node);
+			}
+
+			// Load the warp mask
+			var mask_name = node_name(node);
+			var tex = make_texture(node, mask_name);
+			// Initialize the grayscale value in case no mask registered
+			curshader.write('float gray = 0;');
+			if (tex != null) {
+				var texstore = texture_store(node, tex, mask_name, true);
+				// Get the relevant mask-fragment grayscale value 
+				curshader.write('vec3 color = texture($mask_name, texCoord).rgb;');
+				curshader.write('gray = dot(color, vec3(0.299, 0.587, 0.114));');
+			}
+
+			// Load the current exisitng material texture and transform it
+			if (blur_passthrough) return parse_vector_input(node.inputs[0]);
+			var strength = Std.parseFloat(parse_value_input(node.inputs[1])) * 500;
+			var tex_name = "texblur_" + node_name(node);
+			curshader.add_uniform("sampler2D " + tex_name, "_" + tex_name);
+			var angle_rad = Std.parseFloat(parse_value_input(node.inputs[2])) * (Math.PI / 180);
+			var x =  Math.cos(angle_rad) * strength;
+			var y =  Math.sin(angle_rad) * strength;
+			curshader.write('vec3 res1 = vec3(0.0, 0.0, 0.0);');
+			curshader.write('res1 += texture($tex_name, texCoord + vec2($x, $y) * gray / vec2(textureSize($tex_name, 0))).rgb;');
+
+			return "res1";
+		}
+
 		else if (node.type == "BLUR") {
 			if (blur_passthrough) return parse_vector_input(node.inputs[0]);
 			var strength = parse_value_input(node.inputs[1]);
-			if (strength == "0.0") return "vec3(0.0, 0.0, 0.0)";
+			if (strength == "0") return "vec3(0.0, 0.0, 0.0)";
 			var steps = 'int($strength * 10 + 1)';
 			var tex_name = "texblur_" + node_name(node);
 			curshader.add_uniform("sampler2D " + tex_name, "_" + tex_name);

Libraries/shaderlib/Sources/arm/shader/NodesMaterial.hx

@@ -1279,6 +1279,62 @@ class NodesMaterial {
 			}
 		],
 		[ // Color
+			{
+				id: 0,
+				name: _tr("Warp"),
+				type: "DIRECT_WARP", // extension
+				x: 0,
+				y: 0,
+				color: 0xff448c6d,
+				inputs: [
+					{
+						id: 0,
+						node_id: 0,
+						name: _tr("Color"),
+						type: "RGBA",
+						color: 0xffc7c729,
+						default_value: f32([0.8, 0.8, 0.8, 1.0])
+					},
+					{
+						id: 0,
+						node_id: 0,
+						name: _tr("Strength"),
+						type: "VALUE",
+						color: 0xffa1a1a1,
+						default_value: 0.5,
+						min: 0.0,
+						max: 1.0
+					},
+					{
+						id: 0,
+						node_id: 0,
+						name: _tr("Angle"),
+						type: "VALUE",
+						color: 0xffa1a1a1,
+						default_value: 0.0,
+						min: 0.0,
+						max: 360.0
+					}
+				],
+				outputs: [
+					{
+						id: 0,
+						node_id: 0,
+						name: _tr("Color"),
+						type: "RGBA",
+						color: 0xffc7c729,
+						default_value: f32([0.8, 0.8, 0.8, 1.0])
+					}
+				],
+				buttons: [
+					{
+						name: _tr("File"),
+						type: "ENUM",
+						default_value: 0,
+						data: ""
+					}
+				]
+			},
 			{
 				id: 0,
 				name: _tr("Blur"),

Sources/arm/App.hx

@@ -571,7 +571,7 @@ class App {
 	}
 
 	public static function enumTexts(nodeType: String): Array<String> {
-		if (nodeType == "TEX_IMAGE") {
+		if (nodeType == "TEX_IMAGE" || nodeType == "DIRECT_WARP") {
 			return Project.assetNames.length > 0 ? Project.assetNames : [""];
 		}
 		else if (nodeType == "LAYER" || nodeType == "LAYER_MASK") {

Sources/arm/node/MakeMaterial.hx

@@ -181,7 +181,7 @@ class MakeMaterial {
 			Context.nodePreviewsBlur = null;
 		}
 		for (node in UINodes.inst.getCanvasMaterial().nodes) {
-			if (node.type == "BLUR") {
+			if (node.type == "BLUR" || node.type ==  "DIRECT_WARP") {
 				if (Context.nodePreviewsBlur == null) {
 					Context.nodePreviewsBlur = new Map();
 				}