From d777681882f119cf760a504d86ccdf80df75d250 Mon Sep 17 00:00:00 2001
From: Hiroshi Ogawa <hi.ogawa.zz@gmail.com>
Date: Thu, 12 Oct 2017 20:12:50 +0900
Subject: Create ParticlesMaterialConversionPlugin and format generated shader
 code

---
 editor/editor_node.cpp                    |  4 ++++
 editor/plugins/material_editor_plugin.cpp | 39 +++++++++++++++++++++++++++++++
 editor/plugins/material_editor_plugin.h   |  8 +++++++
 3 files changed, 51 insertions(+)

(limited to 'editor')

diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index ff415c83f1..e36fc243f0 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -5525,6 +5525,10 @@ EditorNode::EditorNode() {
 		Ref<SpatialMaterialConversionPlugin> spatial_mat_convert;
 		spatial_mat_convert.instance();
 		resource_conversion_plugins.push_back(spatial_mat_convert);
+
+		Ref<ParticlesMaterialConversionPlugin> particles_mat_convert;
+		particles_mat_convert.instance();
+		resource_conversion_plugins.push_back(particles_mat_convert);
 	}
 	circle_step_msec = OS::get_singleton()->get_ticks_msec();
 	circle_step_frame = Engine::get_singleton()->get_frames_drawn();
diff --git a/editor/plugins/material_editor_plugin.cpp b/editor/plugins/material_editor_plugin.cpp
index 6b613c1bcc..4206733293 100644
--- a/editor/plugins/material_editor_plugin.cpp
+++ b/editor/plugins/material_editor_plugin.cpp
@@ -32,6 +32,7 @@
 // Waiting for PropertyEditor rewrite (planned for 3.1) to be refactored.
 
 #include "material_editor_plugin.h"
+#include "scene/3d/particles.h"
 
 #if 0
 
@@ -456,3 +457,41 @@ Ref<Resource> SpatialMaterialConversionPlugin::convert(const Ref<Resource> &p_re
 	smat->set_render_priority(mat->get_render_priority());
 	return smat;
 }
+
+String ParticlesMaterialConversionPlugin::converts_to() const {
+
+	return "ShaderMaterial";
+}
+bool ParticlesMaterialConversionPlugin::handles(const Ref<Resource> &p_resource) const {
+
+	Ref<ParticlesMaterial> mat = p_resource;
+	return mat.is_valid();
+}
+Ref<Resource> ParticlesMaterialConversionPlugin::convert(const Ref<Resource> &p_resource) {
+
+	Ref<ParticlesMaterial> mat = p_resource;
+	ERR_FAIL_COND_V(!mat.is_valid(), Ref<Resource>());
+
+	Ref<ShaderMaterial> smat;
+	smat.instance();
+
+	Ref<Shader> shader;
+	shader.instance();
+
+	String code = VS::get_singleton()->shader_get_code(mat->get_shader_rid());
+
+	shader->set_code(code);
+
+	smat->set_shader(shader);
+
+	List<PropertyInfo> params;
+	VS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
+
+	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
+		Variant value = VS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
+		smat->set_shader_param(E->get().name, value);
+	}
+
+	smat->set_render_priority(mat->get_render_priority());
+	return smat;
+}
diff --git a/editor/plugins/material_editor_plugin.h b/editor/plugins/material_editor_plugin.h
index af9602f944..52c73cb7d8 100644
--- a/editor/plugins/material_editor_plugin.h
+++ b/editor/plugins/material_editor_plugin.h
@@ -111,4 +111,12 @@ public:
 	virtual Ref<Resource> convert(const Ref<Resource> &p_resource);
 };
 
+class ParticlesMaterialConversionPlugin : public EditorResourceConversionPlugin {
+	GDCLASS(ParticlesMaterialConversionPlugin, EditorResourceConversionPlugin)
+public:
+	virtual String converts_to() const;
+	virtual bool handles(const Ref<Resource> &p_resource) const;
+	virtual Ref<Resource> convert(const Ref<Resource> &p_resource);
+};
+
 #endif // MATERIAL_EDITOR_PLUGIN_H
-- 
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