add TechniqueDef.noRender

jme3-core/src/main/java/com/jme3/material/Material.java

@@ -1147,11 +1147,12 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
      */
     public void render(Geometry geom, LightList lights, RenderManager rm) {
         autoSelectTechnique(rm);
+        TechniqueDef techDef = technique.getDef();
+
+        if (techDef.isNoRender()) return;
 
         Renderer r = rm.getRenderer();
 
-        TechniqueDef techDef = technique.getDef();
-
         if (rm.getForcedRenderState() != null) {
             r.applyRenderState(rm.getForcedRenderState());
         } else {

jme3-core/src/main/java/com/jme3/material/TechniqueDef.java

@@ -102,6 +102,7 @@ public class TechniqueDef implements Savable {
     private List<ShaderNode> shaderNodes;
     private ShaderGenerationInfo shaderGenerationInfo;
 
+    private boolean noRender = false;
     private RenderState renderState;
     private RenderState forcedRenderState;
 
@@ -201,6 +202,28 @@ public class TechniqueDef implements Savable {
         this.renderState = renderState;
     }
 
+    /**
+     * Sets if this technique should not be used to render.
+     *
+     * @param noRender not render or render ?
+     *
+     * @see NoRender
+     */
+    public void setNoRender(boolean noRender) {
+        this.noRender = noRender;
+    }
+
+    /**
+     * Returns true if this technique should not be used to render.
+     * (eg. to not render a material with default technique)
+     *
+     * @return true if this technique should not be rendered, false otherwise.
+     *
+     */
+    public boolean isNoRender(){
+        return noRender;
+    }
+
     /**
      * @deprecated jME3 always requires shaders now
      */
@@ -448,6 +471,7 @@ public class TechniqueDef implements Savable {
         oc.write(lightMode, "lightMode", LightMode.Disable);
         oc.write(shadowMode, "shadowMode", ShadowMode.Disable);
         oc.write(renderState, "renderState", null);
+        oc.write(noRender, "noRender", false);
         oc.write(usesNodes, "usesNodes", false);
         oc.writeSavableArrayList((ArrayList)shaderNodes,"shaderNodes", null);
         oc.write(shaderGenerationInfo, "shaderGenerationInfo", null);
@@ -470,6 +494,7 @@ public class TechniqueDef implements Savable {
         lightMode = ic.readEnum("lightMode", LightMode.class, LightMode.Disable);
         shadowMode = ic.readEnum("shadowMode", ShadowMode.class, ShadowMode.Disable);
         renderState = (RenderState) ic.readSavable("renderState", null);
+        noRender = ic.readBoolean("noRender", false);
 
         if (ic.getSavableVersion(TechniqueDef.class) == 0) {
             // Old version
@@ -525,6 +550,6 @@ public class TechniqueDef implements Savable {
     //todo: make toString return something usefull
     @Override
     public String toString() {
-        return "TechniqueDef{" + "requiredCaps=" + requiredCaps + ", name=" + name /*+ ", vertName=" + vertName + ", fragName=" + fragName + ", vertLanguage=" + vertLanguage + ", fragLanguage=" + fragLanguage */+ ", presetDefines=" + presetDefines + ", usesNodes=" + usesNodes + ", shaderNodes=" + shaderNodes + ", shaderGenerationInfo=" + shaderGenerationInfo + ", renderState=" + renderState + ", forcedRenderState=" + forcedRenderState + ", lightMode=" + lightMode + ", shadowMode=" + shadowMode + ", defineParams=" + defineParams + ", worldBinds=" + worldBinds + '}';
+        return "TechniqueDef{" + "requiredCaps=" + requiredCaps + ", name=" + name /*+ ", vertName=" + vertName + ", fragName=" + fragName + ", vertLanguage=" + vertLanguage + ", fragLanguage=" + fragLanguage */+ ", presetDefines=" + presetDefines + ", usesNodes=" + usesNodes + ", shaderNodes=" + shaderNodes + ", shaderGenerationInfo=" + shaderGenerationInfo + ", renderState=" + renderState + ", forcedRenderState=" + forcedRenderState + ", lightMode=" + lightMode + ", shadowMode=" + shadowMode + ", defineParams=" + defineParams + ", worldBinds=" + worldBinds + ", noRender=" + noRender + '}';
     }
 }

jme3-core/src/plugins/java/com/jme3/material/plugins/J3MLoader.java

@@ -441,6 +441,8 @@ public class J3MLoader implements AssetLoader {
             if (isUseNodes) {
                 nodesLoaderDelegate.readFragmentShaderNodes(statement.getContents());
             }
+        } else if (split[0].equals("NoRender")) {
+            technique.setNoRender(true);
         } else {
             throw new MatParseException(null, split[0], statement);
         }