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Implement a basic glTF exporter for materials
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‎addons/material_maker/nodes/material.mmg

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@@ -83,6 +83,253 @@
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}
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]
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},
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"GLTF/Plane": {
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"export_extension": "gltf",
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"files": [
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{
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"conditions": "$(connected:albedo_tex)",
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"file_name": "$(path_prefix)_albedo.png",
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"output": 0,
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"type": "texture"
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},
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{
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"conditions": "$(connected:ao_tex) or $(connected:roughness_tex) or $(connected:metallic_tex)",
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"file_name": "$(path_prefix)_orm.png",
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"output": 1,
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"type": "texture"
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},
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{
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"conditions": "$(connected:emission_tex)",
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"file_name": "$(path_prefix)_emission.png",
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"output": 2,
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"type": "texture"
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},
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{
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"conditions": "$(connected:normal_tex)",
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"file_name": "$(path_prefix)_normal.png",
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"output": 3,
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"type": "texture"
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},
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{
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"file_name": "$(path_prefix).gltf",
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"prompt_overwrite": true,
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"template": [
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"{",
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"\t\"asset\":{",
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"\t\t\"generator\":\"Material Maker export\",",
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"\t\t\"version\":\"2.0\"",
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"\t},",
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"\t\"scene\":0,",
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"\t\"scenes\":[",
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"\t\t{",
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"\t\t\t\"name\":\"Scene\",",
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"\t\t\t\"nodes\":[",
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"\t\t\t\t0",
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"\t\t\t]",
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"\t\t}",
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"\t],",
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"\t\"nodes\":[",
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"\t\t{",
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"\t\t\t\"mesh\":0,",
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"\t\t\t\"name\":\"Plane\"",
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"\t\t}",
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"\t],",
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"\t\"materials\":[",
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"\t\t{",
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"\t\t\t\"doubleSided\":true,",
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"\t\t\t\"emissiveTexture\":{",
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"\t\t\t\t\"index\":0",
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"\t\t\t},",
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"\t\t\t\"name\":\"$(file_prefix)\",",
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"\t\t\t\"normalTexture\":{",
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"\t\t\t\t\"index\":1",
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"\t\t\t},",
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"\t\t\t\"occlusionTexture\":{",
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"\t\t\t\t\"index\":2",
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"\t\t\t},",
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"\t\t\t\"pbrMetallicRoughness\":{",
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"\t\t\t\t\"baseColorTexture\":{",
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"\t\t\t\t\t\"index\":3",
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"\t\t\t\t},",
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"\t\t\t\t\"metallicRoughnessTexture\":{",
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"\t\t\t\t\t\"index\":2",
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"\t\t\t\t}",
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"\t\t\t}",
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"\t\t}",
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"\t],",
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"\t\"meshes\":[",
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"\t\t{",
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"\t\t\t\"name\":\"Plane\",",
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"\t\t\t\"primitives\":[",
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"\t\t\t\t{",
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"\t\t\t\t\t\"attributes\":{",
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"\t\t\t\t\t\t\"POSITION\":0,",
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"\t\t\t\t\t\t\"NORMAL\":1,",
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"\t\t\t\t\t\t\"TEXCOORD_0\":2",
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"\t\t\t\t\t},",
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"\t\t\t\t\t\"indices\":3,",
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"\t\t\t\t\t\"material\":0",
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"\t\t\t\t}",
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"\t\t\t]",
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"\t\t}",
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"\t],",
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"\t\"textures\":[",
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"\t\t{",
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"\t\t\t\"sampler\":0,",
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"\t\t\t\"source\":0",
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"\t\t},",
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"\t\t{",
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"\t\t},",
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"\t\t{",
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"\t\t\t\"sampler\":0,",
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"\t\t\t\"source\":3",
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"\t\t}",
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"\t],",
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"\t\"images\":[",
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"\t\t{",
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"$if $(connected:emission_tex)",
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"\t\t\t\"uri\":\"$(file_prefix)_emission.png\",",
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"$else",
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"\t\t\t\"bufferView\":4,",
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"$fi",
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"\t\t\t\"mimeType\":\"image/png\",",
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"\t\t\t\"name\":\"emission\"",
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"\t\t},",
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"\t\t{",
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"$if $(connected:normal_tex)",
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"\t\t\t\"uri\":\"$(file_prefix)_normal.png\",",
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"$else",
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"\t\t\t\"bufferView\":5,",
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"$fi",
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"\t\t\t\"mimeType\":\"image/png\",",
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"\t\t\t\"name\":\"normal\"",
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"\t\t},",
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"\t\t{",
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"$if $(connected:ao_tex) or $(connected:roughness_tex) or $(connected:metallic_tex)",
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"\t\t\t\"uri\":\"$(file_prefix)_orm.png\",",
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"$else",
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"\t\t\t\"bufferView\":6,",
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"$fi",
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"\t\t\t\"name\":\"orm\"",
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"\t\t},",
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"\t\t{",
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"$if $(connected:albedo_tex)",
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"\t\t\t\"uri\":\"$(file_prefix)_albedo.png\",",
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"$else",
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"\t\t\t\"bufferView\":7,",
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"$fi",
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"\t\t\t\"mimeType\":\"image/png\",",
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"\t\t\t\"name\":\"albedo\"",
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"\t\t}",
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"\t],",
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"}",
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""
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],
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"type": "template"
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}
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]
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},
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"Godot/Godot 3 Spatial": {
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"export_extension": "tres",
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"files": [

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