initial commit, 4.5 stable

editor/scene/3d/gizmos/fog_volume_gizmo_plugin.cpp

@@ -0,0 +1,125 @@
+/**************************************************************************/
+/*  fog_volume_gizmo_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 "fog_volume_gizmo_plugin.h"
+
+#include "editor/editor_node.h"
+#include "editor/editor_string_names.h"
+#include "editor/scene/3d/gizmos/gizmo_3d_helper.h"
+#include "editor/settings/editor_settings.h"
+#include "scene/3d/fog_volume.h"
+
+FogVolumeGizmoPlugin::FogVolumeGizmoPlugin() {
+	helper.instantiate();
+	Color gizmo_color = EDITOR_GET("editors/3d_gizmos/gizmo_colors/fog_volume");
+	create_material("shape_material", gizmo_color);
+	gizmo_color.a = 0.15;
+	create_material("shape_material_internal", gizmo_color);
+
+	create_icon_material("fog_volume_icon", EditorNode::get_singleton()->get_editor_theme()->get_icon(SNAME("GizmoFogVolume"), EditorStringName(EditorIcons)));
+
+	create_handle_material("handles");
+}
+
+bool FogVolumeGizmoPlugin::has_gizmo(Node3D *p_spatial) {
+	return (Object::cast_to<FogVolume>(p_spatial) != nullptr);
+}
+
+String FogVolumeGizmoPlugin::get_gizmo_name() const {
+	return "FogVolume";
+}
+
+int FogVolumeGizmoPlugin::get_priority() const {
+	return -1;
+}
+
+String FogVolumeGizmoPlugin::get_handle_name(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
+	return helper->box_get_handle_name(p_id);
+}
+
+Variant FogVolumeGizmoPlugin::get_handle_value(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
+	return Vector3(p_gizmo->get_node_3d()->call("get_size"));
+}
+
+void FogVolumeGizmoPlugin::begin_handle_action(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) {
+	helper->initialize_handle_action(get_handle_value(p_gizmo, p_id, p_secondary), p_gizmo->get_node_3d()->get_global_transform());
+}
+
+void FogVolumeGizmoPlugin::set_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, Camera3D *p_camera, const Point2 &p_point) {
+	FogVolume *fog_volume = Object::cast_to<FogVolume>(p_gizmo->get_node_3d());
+	Vector3 size = fog_volume->get_size();
+
+	Vector3 sg[2];
+	helper->get_segment(p_camera, p_point, sg);
+
+	Vector3 position;
+	helper->box_set_handle(sg, p_id, size, position);
+	fog_volume->set_size(size);
+	fog_volume->set_global_position(position);
+}
+
+void FogVolumeGizmoPlugin::commit_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, const Variant &p_restore, bool p_cancel) {
+	helper->box_commit_handle(TTR("Change FogVolume Size"), p_cancel, p_gizmo->get_node_3d());
+}
+
+void FogVolumeGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
+	FogVolume *fog_volume = Object::cast_to<FogVolume>(p_gizmo->get_node_3d());
+
+	p_gizmo->clear();
+
+	if (fog_volume->get_shape() != RS::FOG_VOLUME_SHAPE_WORLD) {
+		const Ref<Material> material =
+				get_material("shape_material", p_gizmo);
+		const Ref<Material> material_internal =
+				get_material("shape_material_internal", p_gizmo);
+
+		Ref<Material> handles_material = get_material("handles");
+
+		Vector<Vector3> lines;
+		AABB aabb;
+		aabb.size = fog_volume->get_size();
+		aabb.position = aabb.size / -2;
+
+		for (int i = 0; i < 12; i++) {
+			Vector3 a, b;
+			aabb.get_edge(i, a, b);
+			lines.push_back(a);
+			lines.push_back(b);
+		}
+
+		Vector<Vector3> handles = helper->box_get_handles(fog_volume->get_size());
+
+		p_gizmo->add_lines(lines, material);
+		p_gizmo->add_collision_segments(lines);
+		const Ref<Material> icon = get_material("fog_volume_icon", p_gizmo);
+		p_gizmo->add_unscaled_billboard(icon, 0.05);
+		p_gizmo->add_handles(handles, handles_material);
+	}
+}