initial commit, 4.5 stable

editor/scene/2d/camera_2d_editor_plugin.h

@@ -0,0 +1,103 @@
+/**************************************************************************/
+/*  camera_2d_editor_plugin.h                                             */
+/**************************************************************************/
+/*                         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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "editor/plugins/editor_plugin.h"
+
+class Camera2D;
+class Label;
+class MenuButton;
+
+class Camera2DEditor : public Control {
+	GDCLASS(Camera2DEditor, Control);
+
+	EditorPlugin *plugin = nullptr;
+
+	enum Menu {
+		MENU_SNAP_LIMITS_TO_VIEWPORT,
+	};
+
+	enum class Drag {
+		NONE,
+		LEFT,
+		TOP,
+		RIGHT,
+		BOTTOM,
+		TOP_LEFT,
+		TOP_RIGHT,
+		BOTTOM_LEFT,
+		BOTTOM_RIGHT,
+		CENTER,
+	};
+	Drag drag_type = Drag::NONE;
+	Drag hover_type = Drag::NONE;
+
+	Rect2 drag_revert;
+	Vector2 center_drag_point;
+
+	Camera2D *selected_camera = nullptr;
+
+	friend class Camera2DEditorPlugin;
+	MenuButton *options = nullptr;
+
+	void _menu_option(int p_option);
+	void _snap_limits_to_viewport(Camera2D *p_camera);
+	void _update_overlays_if_needed(Camera2D *p_camera);
+	void _update_hover(const Vector2 &p_mouse_pos);
+
+protected:
+	static void _bind_methods();
+	void _notification(int p_what);
+
+public:
+	void edit(Camera2D *p_camera);
+
+	bool forward_canvas_gui_input(const Ref<InputEvent> &p_event);
+	void forward_canvas_draw_over_viewport(Control *p_overlay);
+
+	Camera2DEditor(EditorPlugin *p_plugin);
+};
+
+class Camera2DEditorPlugin : public EditorPlugin {
+	GDCLASS(Camera2DEditorPlugin, EditorPlugin);
+
+	Camera2DEditor *camera_2d_editor = nullptr;
+
+public:
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
+
+	virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) override { return camera_2d_editor->forward_canvas_gui_input(p_event); }
+	virtual void forward_canvas_draw_over_viewport(Control *p_overlay) override { camera_2d_editor->forward_canvas_draw_over_viewport(p_overlay); }
+
+	Camera2DEditorPlugin();
+};