Add circular point effect

Author: bluekyu

render_pipeline/rpcore/render_pipeline.h

@@ -38,17 +38,17 @@ class RENDER_PIPELINE_DECL RenderPipeline: public RPObject
     template <class Type> Type get_setting(const std::string& setting_path, const Type& fallback) const;
 
 public:
-	static RenderPipeline* get_global_ptr(void);
+    static RenderPipeline* get_global_ptr(void);
 
-	RenderPipeline(void);
-	~RenderPipeline(void);
+    RenderPipeline(void);
+    ~RenderPipeline(void);
 
-	/**
-	 * Loads the pipeline configuration from a given filename. Usually
-	 * this is the 'config/pipeline.ini' file. If you call this more than once,
-	 * only the settings of the last file will be used.
-	 */
-	void load_settings(const std::string& path);
+    /**
+     * Loads the pipeline configuration from a given filename. Usually
+     * this is the 'config/pipeline.ini' file. If you call this more than once,
+     * only the settings of the last file will be used.
+     */
+    void load_settings(const std::string& path);
 
 	/** 
 	 * Reloads all shaders. This will reload the shaders of all plugins,
@@ -95,7 +95,7 @@ class RENDER_PIPELINE_DECL RenderPipeline: public RPObject
 
 	/** See internal_set_effect. */
 	void set_effect(NodePath& nodepath, const std::string& effect_src,
-		const Effect::OptionType& options=Effect::OptionType(), int sort=30);
+		const Effect::OptionType& options={}, int sort=30);
 
 	/**
 	 * Prepares a given scene, by converting panda lights to render pipeline

resources/effects/circular_points.yaml

@@ -0,0 +1,12 @@
+# Circular Point Effect
+
+vertex:
+    inout: |
+        uniform mat4 p3d_ModelViewMatrix;
+        uniform float point_radius;
+
+    post_transform: |
+        gl_PointSize = point_radius / -(p3d_ModelViewMatrix * p3d_Vertex).z;
+
+
+fragment:

src/rpcore/util/primitives.cpp

@@ -12,14 +12,14 @@ namespace rpcore {
 
 static NodePath create_geom_node(const std::string& name, Geom* geom)
 {
-    // default material
-    CPT(RenderState) state = RenderState::make_empty();
-    state = state->add_attrib(MaterialAttrib::make(RPMaterial().get_material()));
-
     PT(GeomNode) geom_node = new GeomNode(name);
-    geom_node->add_geom(geom, state);
+    geom_node->add_geom(geom);
+
+    // default material
+    NodePath np(geom_node);
+    np.set_material(RPMaterial().get_material());
 
-    return NodePath(geom_node);
+    return np;
 }
 
 NodePath create_points(const std::string& name, int count)