Added Set Alpha node

Author: williamchange

addons/material_maker/nodes/set_alpha.mmg

@@ -0,0 +1,44 @@
+{
+	"name": "set_alpha",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"parameters": {},
+	"seed_int": 0,
+	"shader_model": {
+		"code": "",
+		"global": "",
+		"inputs": [
+			{
+				"default": "vec4(0.0)",
+				"label": "Input",
+				"longdesc": "Input image",
+				"name": "in",
+				"shortdesc": "Input",
+				"type": "rgba"
+			},
+			{
+				"default": "$in(uv).a",
+				"label": "Alpha",
+				"name": "a",
+				"shortdesc": "Alpha",
+				"type": "f"
+			}
+		],
+		"instance": "",
+		"longdesc": "Sets alpha channel for the input Image. When no alpha is provided, the alpha from the input image is used.",
+		"name": "Set Alpha",
+		"outputs": [
+			{
+				"longdesc": "Output image with alpha applied",
+				"rgba": "vec4($in($uv).rgb, $a($uv))",
+				"shortdesc": "Output",
+				"type": "rgba"
+			}
+		],
+		"parameters": [],
+		"shortdesc": "Set Alpha"
+	},
+	"type": "shader"
+}

material_maker/doc/images/node_filter_set_alpha.png

@@ -0,0 +1,24 @@
+Set Alpha node
+~~~~~~~~~~~~~~
+
+The **Set Alpha** node sets alpha channel for the input image
+using a grayscale input.
+
+.. image:: images/node_filter_set_alpha.png
+	:align: center
+
+Inputs
+++++++
+
+The **Set Alpha** node accepts a single RGBA texture and a
+grayscale input used for the alpha channel.
+
+Outputs
++++++++
+
+The **Set Alpha** node outputs a single RGBA texture.
+
+Parameters
+++++++++++
+
+The **Set Alpha** node does not have any parameter.

material_maker/doc/node_filter_set_alpha.rst

@@ -69,3 +69,4 @@ The filter nodes accept one or several inputs and generate one or several images
 	node_filter_classic_kuwahara
 	node_filter_generalized_kuwahara
 	node_filter_symmetric_nearest_neighbor
+	node_filter_set_alpha

material_maker/doc/nodes_filter.rst

@@ -92,5 +92,6 @@
 	"Transform/Warp": "distortion,deform,shift,push",
 	"Transform/Circle Map": "polar",
 	"Transform/Inverse Circle Map": "cartesian",
-	"Filter/Quantize": "posterize"
+	"Filter/Quantize": "posterize",
+	"Filter/Set Alpha": "alpha,mask"
 }

material_maker/library/aliases.json

@@ -8261,6 +8261,13 @@
 			},
 			"tree_item": "3D/Texture/Warp",
 			"type": "tex3d_warp"
+		},
+		{
+			"display_name": "Set Alpha",
+			"icon_data": "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",
+			"name": "set_alpha",
+			"tree_item": "Filter/Set Alpha",
+			"type": "set_alpha"
 		}
 	],
 	"name": "Base library"