support for 2D shadow casters

Added support for 2D shadow casters.

*DANGER* Shaders in CanvasItem CHANGED, if you are using shader in a
CanvasItem and pull this, you will lose them. Shaders now work through a
2D material system similar to 3D. If you don't want to lose the 2D
shader code, save the shader as a .shd, then create a material in
CanvasItem and re-assign the shader.

1 files changed, 87 insertions, 0 deletions

diff --git a/tools/editor/plugins/light_occluder_2d_editor_plugin.h b/tools/editor/plugins/light_occluder_2d_editor_plugin.h
new file mode 100644
index 000000000..5fb5631d0
--- /dev/null
+++ b/tools/editor/plugins/light_occluder_2d_editor_plugin.h
@@ -0,0 +1,87 @@
+#ifndef LIGHT_OCCLUDER_2D_EDITOR_PLUGIN_H
+#define LIGHT_OCCLUDER_2D_EDITOR_PLUGIN_H
+
+
+
+#include "tools/editor/editor_plugin.h"
+#include "tools/editor/editor_node.h"
+#include "scene/2d/light_occluder_2d.h"
+#include "scene/gui/tool_button.h"
+#include "scene/gui/button_group.h"
+
+/**
+	@author Juan Linietsky <reduzio@gmail.com>
+*/
+class CanvasItemEditor;
+
+class LightOccluder2DEditor : public HBoxContainer {
+
+	OBJ_TYPE(LightOccluder2DEditor, HBoxContainer );
+
+	UndoRedo *undo_redo;
+	enum Mode {
+
+		MODE_CREATE,
+		MODE_EDIT,
+
+	};
+
+	Mode mode;
+
+	ToolButton *button_create;
+	ToolButton *button_edit;
+
+	CanvasItemEditor *canvas_item_editor;
+	EditorNode *editor;
+	Panel *panel;
+	LightOccluder2D *node;
+	MenuButton *options;
+
+	int edited_point;
+	Vector2 edited_point_pos;
+	Vector<Vector2> pre_move_edit;
+	Vector<Vector2> wip;
+	bool wip_active;
+
+	ConfirmationDialog *create_poly;
+
+	void _wip_close(bool p_closed);
+	void _canvas_draw();
+	void _menu_option(int p_option);
+	void _create_poly();
+
+protected:
+	void _notification(int p_what);
+	void _node_removed(Node *p_node);
+	static void _bind_methods();
+public:
+
+	Vector2 snap_point(const Vector2& p_point) const;
+	bool forward_input_event(const InputEvent& p_event);
+	void edit(Node *p_collision_polygon);
+	LightOccluder2DEditor(EditorNode *p_editor);
+};
+
+class LightOccluder2DEditorPlugin : public EditorPlugin {
+
+	OBJ_TYPE( LightOccluder2DEditorPlugin, EditorPlugin );
+
+	LightOccluder2DEditor *collision_polygon_editor;
+	EditorNode *editor;
+
+public:
+
+	virtual bool forward_input_event(const InputEvent& p_event) { return collision_polygon_editor->forward_input_event(p_event); }
+
+	virtual String get_name() const { return "LightOccluder2D"; }
+	bool has_main_screen() const { return false; }
+	virtual void edit(Object *p_node);
+	virtual bool handles(Object *p_node) const;
+	virtual void make_visible(bool p_visible);
+
+	LightOccluder2DEditorPlugin(EditorNode *p_node);
+	~LightOccluder2DEditorPlugin();
+
+};
+
+#endif // LIGHT_OCCLUDER_2D_EDITOR_PLUGIN_H