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Merged
stephengold merged 4 commits into from
Mar 22, 2021
Merged

Gltf unlit #1463

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786c572
Adds support for the Unlit material in the GLTF loader.
Markil3 Jan 9, 2021
a407e5d
Adds some author information.
Markil3 Feb 1, 2021
9f91d4d
Removes an unnecessary test.
Markil3 Feb 1, 2021
6f273ee
Adds the copyright notice to TestGltfUnlit.
Markil3 Feb 25, 2021
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67 changes: 67 additions & 0 deletions jme3-examples/src/main/java/jme3test/light/TestGltfUnlit.java
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/*
* Copyright (c) 2009-2019 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package jme3test.light;

import com.jme3.app.SimpleApplication;
import com.jme3.input.controls.ActionListener;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;

/**
* Tests the GLTF scene containing an unlit material. If it works, it should use the
* Common/MatDefs/Misc/Unshaded.j3md material definition for those objects.
*
* @author Markil 3
* @version 3.3.0-SNAPSHOT
*/
public class TestGltfUnlit extends SimpleApplication implements ActionListener {
public static void main(String[] args) {
TestGltfUnlit testUnlit = new TestGltfUnlit();
testUnlit.start();
}

@Override
public void simpleInitApp() {

ColorRGBA skyColor = new ColorRGBA(0.5f, 0.6f, 0.7f, 0.0f);

flyCam.setMoveSpeed(20);
viewPort.setBackgroundColor(skyColor.mult(0.9f));

this.cam.setLocation(new Vector3f(0, 10, 20));
this.rootNode.attachChild(this.getAssetManager().loadModel("jme3test/scenes/unlit.gltf"));
}

@Override
public void onAction(String name, boolean isPressed, float tpf) {
}
}
Binary file added jme3-examples/src/main/resources/jme3test/scenes/unlit.bin
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Binary file added jme3-examples/src/main/resources/jme3test/scenes/unlit.blend
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236 changes: 236 additions & 0 deletions jme3-examples/src/main/resources/jme3test/scenes/unlit.gltf
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{
"asset" : {
"generator" : "Khronos glTF Blender I/O v1.4.40",
"version" : "2.0",
"author" : "Markil 3"
},
"extensionsUsed" : [
"KHR_materials_unlit"
],
"scene" : 0,
"scenes" : [
{
"name" : "Scene",
"nodes" : [
0,
1,
2,
3
]
}
],
"nodes" : [
{
"name" : "Light",
"rotation" : [
0.16907575726509094,
0.7558803558349609,
-0.27217137813568115,
0.570947527885437
],
"translation" : [
0.851825475692749,
8.599525451660156,
-0.8687540292739868
]
},
{
"name" : "Camera",
"rotation" : [
0.483536034822464,
0.33687159419059753,
-0.20870360732078552,
0.7804827094078064
],
"translation" : [
7.358891487121582,
4.958309173583984,
6.925790786743164
]
},
{
"mesh" : 0,
"name" : "Plane",
"scale" : [
13.14516544342041,
13.14516544342041,
13.14516544342041
]
},
{
"mesh" : 1,
"name" : "Cylinder",
"translation" : [
0,
5.575394630432129,
0
]
}
],
"materials" : [
{
"doubleSided" : true,
"extensions" : {
"KHR_materials_unlit" : {}
},
"name" : "Shadeless",
"pbrMetallicRoughness" : {
"baseColorFactor" : [
1,
0.012044749222695827,
0,
1
],
"metallicFactor" : 0,
"roughnessFactor" : 0.9
}
}
],
"meshes" : [
{
"name" : "Plane",
"primitives" : [
{
"attributes" : {
"POSITION" : 0,
"NORMAL" : 1,
"TEXCOORD_0" : 2
},
"indices" : 3
}
]
},
{
"name" : "Cylinder",
"primitives" : [
{
"attributes" : {
"POSITION" : 4,
"NORMAL" : 5,
"TEXCOORD_0" : 6
},
"indices" : 7,
"material" : 0
}
]
}
],
"accessors" : [
{
"bufferView" : 0,
"componentType" : 5126,
"count" : 4,
"max" : [
1,
0,
1
],
"min" : [
-1,
0,
-1
],
"type" : "VEC3"
},
{
"bufferView" : 1,
"componentType" : 5126,
"count" : 4,
"type" : "VEC3"
},
{
"bufferView" : 2,
"componentType" : 5126,
"count" : 4,
"type" : "VEC2"
},
{
"bufferView" : 3,
"componentType" : 5123,
"count" : 6,
"type" : "SCALAR"
},
{
"bufferView" : 4,
"componentType" : 5126,
"count" : 192,
"max" : [
1,
1,
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],
"min" : [
-1,
-1,
-1
],
"type" : "VEC3"
},
{
"bufferView" : 5,
"componentType" : 5126,
"count" : 192,
"type" : "VEC3"
},
{
"bufferView" : 6,
"componentType" : 5126,
"count" : 192,
"type" : "VEC2"
},
{
"bufferView" : 7,
"componentType" : 5123,
"count" : 372,
"type" : "SCALAR"
}
],
"bufferViews" : [
{
"buffer" : 0,
"byteLength" : 48,
"byteOffset" : 0
},
{
"buffer" : 0,
"byteLength" : 48,
"byteOffset" : 48
},
{
"buffer" : 0,
"byteLength" : 32,
"byteOffset" : 96
},
{
"buffer" : 0,
"byteLength" : 12,
"byteOffset" : 128
},
{
"buffer" : 0,
"byteLength" : 2304,
"byteOffset" : 140
},
{
"buffer" : 0,
"byteLength" : 2304,
"byteOffset" : 2444
},
{
"buffer" : 0,
"byteLength" : 1536,
"byteOffset" : 4748
},
{
"buffer" : 0,
"byteLength" : 744,
"byteOffset" : 6284
}
],
"buffers" : [
{
"byteLength" : 7028,
"uri" : "unlit.bin"
}
]
}
1 change: 1 addition & 0 deletions jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/CustomContentManager.java
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,7 @@ public class CustomContentManager {

static {
defaultExtensionLoaders.put("KHR_materials_pbrSpecularGlossiness", new PBRSpecGlossExtensionLoader());
defaultExtensionLoaders.put("KHR_materials_unlit", new UnlitExtensionLoader());
}

void init(GltfLoader gltfLoader) {
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67 changes: 67 additions & 0 deletions jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/UnlitExtensionLoader.java
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Original file line number Diff line number Diff line change
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/*
* Copyright (c) 2009-2020 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.scene.plugins.gltf;

import com.google.gson.JsonElement;
import com.jme3.asset.AssetKey;

import java.io.IOException;

import static com.jme3.scene.plugins.gltf.GltfUtils.getAsColor;
import static com.jme3.scene.plugins.gltf.GltfUtils.getAsFloat;

/**
* Material adapter for the Unlit pipeline
* @author Markil 3
*/
public class UnlitExtensionLoader implements ExtensionLoader {

private final UnlitMaterialAdapter materialAdapter = new UnlitMaterialAdapter();

@Override
public Object handleExtension(GltfLoader loader, String parentName, JsonElement parent, JsonElement extension, Object input) {
MaterialAdapter adapter = materialAdapter;
AssetKey key = loader.getInfo().getKey();
//check for a custom adapter for spec/gloss pipeline
if (key instanceof GltfModelKey) {
GltfModelKey gltfKey = (GltfModelKey) key;
MaterialAdapter ma = gltfKey.getAdapterForMaterial("unlit");
if (ma != null) {
adapter = ma;
}
}

adapter.init(loader.getInfo().getManager());

return adapter;
}
}
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