Merge pull request #49685 from reduz/implement-drawing-animation-slices-in-canvas

Implement animation slice drawing in CanvasItem

2 files changed, 15 insertions, 0 deletions

diff --git a/scene/main/canvas_item.cpp b/scene/main/canvas_item.cpp
index 181fe606c8..a4393d682f 100644
--- a/scene/main/canvas_item.cpp
+++ b/scene/main/canvas_item.cpp
@@ -876,6 +876,17 @@ void CanvasItem::draw_set_transform_matrix(const Transform2D &p_matrix) {
 
 	RenderingServer::get_singleton()->canvas_item_add_set_transform(canvas_item, p_matrix);
 }
+void CanvasItem::draw_animation_slice(double p_animation_length, double p_slice_begin, double p_slice_end, double p_offset) {
+	ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
+
+	RenderingServer::get_singleton()->canvas_item_add_animation_slice(canvas_item, p_animation_length, p_slice_begin, p_slice_end, p_offset);
+}
+
+void CanvasItem::draw_end_animation() {
+	ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
+
+	RenderingServer::get_singleton()->canvas_item_add_animation_slice(canvas_item, 1, 0, 2, 0);
+}
 
 void CanvasItem::draw_polygon(const Vector<Point2> &p_points, const Vector<Color> &p_colors, const Vector<Point2> &p_uvs, Ref<Texture2D> p_texture) {
 	ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
@@ -1159,6 +1170,8 @@ void CanvasItem::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("draw_multimesh", "multimesh", "texture"), &CanvasItem::draw_multimesh);
 	ClassDB::bind_method(D_METHOD("draw_set_transform", "position", "rotation", "scale"), &CanvasItem::draw_set_transform, DEFVAL(0.0), DEFVAL(Size2(1.0, 1.0)));
 	ClassDB::bind_method(D_METHOD("draw_set_transform_matrix", "xform"), &CanvasItem::draw_set_transform_matrix);
+	ClassDB::bind_method(D_METHOD("draw_animation_slice", "animation_length", "slice_begin", "slice_end", "offset"), &CanvasItem::draw_animation_slice, DEFVAL(0.0));
+	ClassDB::bind_method(D_METHOD("draw_end_animation"), &CanvasItem::draw_end_animation);
 	ClassDB::bind_method(D_METHOD("get_transform"), &CanvasItem::get_transform);
 	ClassDB::bind_method(D_METHOD("get_global_transform"), &CanvasItem::get_global_transform);
 	ClassDB::bind_method(D_METHOD("get_global_transform_with_canvas"), &CanvasItem::get_global_transform_with_canvas);
diff --git a/scene/main/canvas_item.h b/scene/main/canvas_item.h
index 1c64cafab8..afdd18d76b 100644
--- a/scene/main/canvas_item.h
+++ b/scene/main/canvas_item.h
@@ -356,6 +356,8 @@ public:
 
 	void draw_set_transform(const Point2 &p_offset, real_t p_rot = 0.0, const Size2 &p_scale = Size2(1.0, 1.0));
 	void draw_set_transform_matrix(const Transform2D &p_matrix);
+	void draw_animation_slice(double p_animation_length, double p_slice_begin, double p_slice_end, double p_offset = 0);
+	void draw_end_animation();
 
 	static CanvasItem *get_current_item_drawn();