From 7528c204d33327a69cdb39a5d7cb87512f1f8272 Mon Sep 17 00:00:00 2001
From: Yuri Roubinsky <chaosus89@gmail.com>
Date: Fri, 29 Oct 2021 17:49:12 +0300
Subject: Added convertor from `ORMMaterial3D` to `ShaderMaterial`

---
 editor/plugins/material_editor_plugin.cpp | 46 +++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

(limited to 'editor/plugins/material_editor_plugin.cpp')

diff --git a/editor/plugins/material_editor_plugin.cpp b/editor/plugins/material_editor_plugin.cpp
index 00315aa88d..140d2952dd 100644
--- a/editor/plugins/material_editor_plugin.cpp
+++ b/editor/plugins/material_editor_plugin.cpp
@@ -284,6 +284,52 @@ Ref<Resource> StandardMaterial3DConversionPlugin::convert(const Ref<Resource> &p
 	return smat;
 }
 
+String ORMMaterial3DConversionPlugin::converts_to() const {
+	return "ShaderMaterial";
+}
+
+bool ORMMaterial3DConversionPlugin::handles(const Ref<Resource> &p_resource) const {
+	Ref<ORMMaterial3D> mat = p_resource;
+	return mat.is_valid();
+}
+
+Ref<Resource> ORMMaterial3DConversionPlugin::convert(const Ref<Resource> &p_resource) const {
+	Ref<ORMMaterial3D> mat = p_resource;
+	ERR_FAIL_COND_V(!mat.is_valid(), Ref<Resource>());
+
+	Ref<ShaderMaterial> smat;
+	smat.instantiate();
+
+	Ref<Shader> shader;
+	shader.instantiate();
+
+	String code = RS::get_singleton()->shader_get_code(mat->get_shader_rid());
+
+	shader->set_code(code);
+
+	smat->set_shader(shader);
+
+	List<PropertyInfo> params;
+	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
+
+	for (const PropertyInfo &E : params) {
+		// Texture parameter has to be treated specially since ORMMaterial3D saved it
+		// as RID but ShaderMaterial needs Texture itself
+		Ref<Texture2D> texture = mat->get_texture_by_name(E.name);
+		if (texture.is_valid()) {
+			smat->set_shader_param(E.name, texture);
+		} else {
+			Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+			smat->set_shader_param(E.name, value);
+		}
+	}
+
+	smat->set_render_priority(mat->get_render_priority());
+	smat->set_local_to_scene(mat->is_local_to_scene());
+	smat->set_name(mat->get_name());
+	return smat;
+}
+
 String ParticlesMaterialConversionPlugin::converts_to() const {
 	return "ShaderMaterial";
 }
-- 
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