initial commit, 4.5 stable

editor/scene/3d/mesh_editor_plugin.cpp

@@ -0,0 +1,190 @@
+/**************************************************************************/
+/*  mesh_editor_plugin.cpp                                                */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "mesh_editor_plugin.h"
+
+#include "core/config/project_settings.h"
+#include "editor/themes/editor_scale.h"
+#include "scene/gui/button.h"
+#include "scene/main/viewport.h"
+
+void MeshEditor::gui_input(const Ref<InputEvent> &p_event) {
+	ERR_FAIL_COND(p_event.is_null());
+
+	Ref<InputEventMouseMotion> mm = p_event;
+	if (mm.is_valid() && (mm->get_button_mask().has_flag(MouseButtonMask::LEFT))) {
+		rot_x -= mm->get_relative().y * 0.01;
+		rot_y -= mm->get_relative().x * 0.01;
+
+		rot_x = CLAMP(rot_x, -Math::PI / 2, Math::PI / 2);
+		_update_rotation();
+	}
+}
+
+void MeshEditor::_update_theme_item_cache() {
+	SubViewportContainer::_update_theme_item_cache();
+
+	theme_cache.light_1_icon = get_editor_theme_icon(SNAME("MaterialPreviewLight1"));
+	theme_cache.light_2_icon = get_editor_theme_icon(SNAME("MaterialPreviewLight2"));
+}
+
+void MeshEditor::_notification(int p_what) {
+	switch (p_what) {
+		case NOTIFICATION_THEME_CHANGED: {
+			light_1_switch->set_button_icon(theme_cache.light_1_icon);
+			light_2_switch->set_button_icon(theme_cache.light_2_icon);
+		} break;
+	}
+}
+
+void MeshEditor::_update_rotation() {
+	Transform3D t;
+	t.basis.rotate(Vector3(0, 1, 0), -rot_y);
+	t.basis.rotate(Vector3(1, 0, 0), -rot_x);
+	rotation->set_transform(t);
+}
+
+void MeshEditor::edit(Ref<Mesh> p_mesh) {
+	mesh = p_mesh;
+	mesh_instance->set_mesh(mesh);
+
+	rot_x = Math::deg_to_rad(-15.0);
+	rot_y = Math::deg_to_rad(30.0);
+	_update_rotation();
+
+	AABB aabb = mesh->get_aabb();
+	Vector3 ofs = aabb.get_center();
+	float m = aabb.get_longest_axis_size();
+	if (m != 0) {
+		m = 1.0 / m;
+		m *= 0.5;
+		Transform3D xform;
+		xform.basis.scale(Vector3(m, m, m));
+		xform.origin = -xform.basis.xform(ofs); //-ofs*m;
+		//xform.origin.z -= aabb.get_longest_axis_size() * 2;
+		mesh_instance->set_transform(xform);
+	}
+}
+
+void MeshEditor::_on_light_1_switch_pressed() {
+	light1->set_visible(light_1_switch->is_pressed());
+}
+
+void MeshEditor::_on_light_2_switch_pressed() {
+	light2->set_visible(light_2_switch->is_pressed());
+}
+
+MeshEditor::MeshEditor() {
+	viewport = memnew(SubViewport);
+	Ref<World3D> world_3d;
+	world_3d.instantiate();
+	viewport->set_world_3d(world_3d); // Use own world.
+	add_child(viewport);
+	viewport->set_disable_input(true);
+	viewport->set_msaa_3d(Viewport::MSAA_4X);
+	set_stretch(true);
+	camera = memnew(Camera3D);
+	camera->set_transform(Transform3D(Basis(), Vector3(0, 0, 1.1)));
+	camera->set_perspective(45, 0.1, 10);
+	viewport->add_child(camera);
+
+	if (GLOBAL_GET("rendering/lights_and_shadows/use_physical_light_units")) {
+		camera_attributes.instantiate();
+		camera->set_attributes(camera_attributes);
+	}
+
+	light1 = memnew(DirectionalLight3D);
+	light1->set_transform(Transform3D().looking_at(Vector3(-1, -1, -1), Vector3(0, 1, 0)));
+	viewport->add_child(light1);
+
+	light2 = memnew(DirectionalLight3D);
+	light2->set_transform(Transform3D().looking_at(Vector3(0, 1, 0), Vector3(0, 0, 1)));
+	light2->set_color(Color(0.7, 0.7, 0.7));
+	viewport->add_child(light2);
+
+	rotation = memnew(Node3D);
+	viewport->add_child(rotation);
+	mesh_instance = memnew(MeshInstance3D);
+	rotation->add_child(mesh_instance);
+
+	set_custom_minimum_size(Size2(1, 150) * EDSCALE);
+
+	HBoxContainer *hb = memnew(HBoxContainer);
+	add_child(hb);
+	hb->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT, Control::PRESET_MODE_MINSIZE, 2);
+
+	hb->add_spacer();
+
+	VBoxContainer *vb_light = memnew(VBoxContainer);
+	hb->add_child(vb_light);
+
+	light_1_switch = memnew(Button);
+	light_1_switch->set_theme_type_variation("PreviewLightButton");
+	light_1_switch->set_toggle_mode(true);
+	light_1_switch->set_pressed(true);
+	light_1_switch->set_accessibility_name(TTRC("First Light"));
+	vb_light->add_child(light_1_switch);
+	light_1_switch->connect(SceneStringName(pressed), callable_mp(this, &MeshEditor::_on_light_1_switch_pressed));
+
+	light_2_switch = memnew(Button);
+	light_2_switch->set_theme_type_variation("PreviewLightButton");
+	light_2_switch->set_toggle_mode(true);
+	light_2_switch->set_pressed(true);
+	light_2_switch->set_accessibility_name(TTRC("Second Light"));
+	vb_light->add_child(light_2_switch);
+	light_2_switch->connect(SceneStringName(pressed), callable_mp(this, &MeshEditor::_on_light_2_switch_pressed));
+
+	rot_x = 0;
+	rot_y = 0;
+}
+
+///////////////////////
+
+bool EditorInspectorPluginMesh::can_handle(Object *p_object) {
+	return Object::cast_to<Mesh>(p_object) != nullptr;
+}
+
+void EditorInspectorPluginMesh::parse_begin(Object *p_object) {
+	Mesh *mesh = Object::cast_to<Mesh>(p_object);
+	if (!mesh) {
+		return;
+	}
+	Ref<Mesh> m(mesh);
+
+	MeshEditor *editor = memnew(MeshEditor);
+	editor->edit(m);
+	add_custom_control(editor);
+}
+
+MeshEditorPlugin::MeshEditorPlugin() {
+	Ref<EditorInspectorPluginMesh> plugin;
+	plugin.instantiate();
+	add_inspector_plugin(plugin);
+}