Fix TileMap editor not correctly copying atlas tiles

Fixes #29307.

1 files changed, 23 insertions, 21 deletions

diff --git a/editor/plugins/tile_map_editor_plugin.cpp b/editor/plugins/tile_map_editor_plugin.cpp
index 4ef2d17128..4873bfe49f 100644
--- a/editor/plugins/tile_map_editor_plugin.cpp
+++ b/editor/plugins/tile_map_editor_plugin.cpp
@@ -299,9 +299,13 @@ void TileMapEditor::_set_cell(const Point2i &p_pos, Vector<int> p_values, bool p
 	Vector2 position;
 	int current = manual_palette->get_current();
 	if (current != -1) {
-		position = manual_palette->get_item_metadata(current);
+		if (tool != TOOL_PASTING) {
+			position = manual_palette->get_item_metadata(current);
+		} else {
+			position = p_autotile_coord;
+		}
 	} else {
-		// if there is no manual tile selected, that either means that
+		// If there is no manual tile selected, that either means that
 		// autotiling is enabled, or the given tile is not autotiling. Either
 		// way, the coordinate of the tile does not matter, so assigning it to
 		// the coordinate of the existing tile works fine.
@@ -309,7 +313,7 @@ void TileMapEditor::_set_cell(const Point2i &p_pos, Vector<int> p_values, bool p
 	}
 
 	if (p_value == prev_val && p_flip_h == prev_flip_h && p_flip_v == prev_flip_v && p_transpose == prev_transpose && prev_position == position)
-		return; //check that it's actually different
+		return; // Check that it's actually different.
 
 	for (int y = p_pos.y - 1; y <= p_pos.y + 1; y++) {
 		for (int x = p_pos.x - 1; x <= p_pos.x + 1; x++) {
@@ -322,21 +326,19 @@ void TileMapEditor::_set_cell(const Point2i &p_pos, Vector<int> p_values, bool p
 
 	node->_set_celld(p_pos, _create_cell_dictionary(p_value, p_flip_h, p_flip_v, p_transpose, p_autotile_coord));
 
+	if (tool == TOOL_PASTING)
+		return;
+
 	if (manual_autotile || (p_value != -1 && node->get_tileset()->tile_get_tile_mode(p_value) == TileSet::ATLAS_TILE)) {
 		if (current != -1) {
 			node->set_cell_autotile_coord(p_pos.x, p_pos.y, position);
-
-		} else if (tool != TOOL_PASTING && node->get_tileset()->tile_get_tile_mode(p_value) == TileSet::ATLAS_TILE && priority_atlastile) {
-
-			// BIND_CENTER is used to indicate that bitmask should not update for this tile cell
+		} else if (node->get_tileset()->tile_get_tile_mode(p_value) == TileSet::ATLAS_TILE && priority_atlastile) {
+			// BIND_CENTER is used to indicate that bitmask should not update for this tile cell.
 			node->get_tileset()->autotile_set_bitmask(p_value, Vector2(p_pos.x, p_pos.y), TileSet::BIND_CENTER);
 			node->update_cell_bitmask(p_pos.x, p_pos.y);
 		}
 	} else {
-		// manually placing tiles should not update bitmasks
-		if (tool != TOOL_PASTING) {
-			node->update_bitmask_area(Point2(p_pos));
-		}
+		node->update_bitmask_area(Point2(p_pos));
 	}
 }
 
@@ -759,15 +761,15 @@ void TileMapEditor::_draw_cell(Control *p_viewport, int p_cell, const Point2i &p
 	Rect2 r = node->get_tileset()->tile_get_region(p_cell);
 	if (node->get_tileset()->tile_get_tile_mode(p_cell) == TileSet::AUTO_TILE || node->get_tileset()->tile_get_tile_mode(p_cell) == TileSet::ATLAS_TILE) {
 		Vector2 offset;
-		int selected = manual_palette->get_current();
-		if ((manual_autotile || (node->get_tileset()->tile_get_tile_mode(p_cell) == TileSet::ATLAS_TILE && !priority_atlastile)) && selected != -1) {
-			offset = manual_palette->get_item_metadata(selected);
-		} else {
-			if (tool != TOOL_PASTING) {
-				offset = node->get_tileset()->autotile_get_icon_coordinate(p_cell);
+		if (tool != TOOL_PASTING) {
+			int selected = manual_palette->get_current();
+			if ((manual_autotile || (node->get_tileset()->tile_get_tile_mode(p_cell) == TileSet::ATLAS_TILE && !priority_atlastile)) && selected != -1) {
+				offset = manual_palette->get_item_metadata(selected);
 			} else {
-				offset = p_autotile_coord;
+				offset = node->get_tileset()->autotile_get_icon_coordinate(p_cell);
 			}
+		} else {
+			offset = p_autotile_coord;
 		}
 
 		int spacing = node->get_tileset()->autotile_get_spacing(p_cell);
@@ -810,10 +812,11 @@ void TileMapEditor::_draw_cell(Control *p_viewport, int p_cell, const Point2i &p
 	Color modulate = node->get_tileset()->tile_get_modulate(p_cell);
 	modulate.a = 0.5;
 
-	if (r.has_no_area())
+	if (r.has_no_area()) {
 		p_viewport->draw_texture_rect(t, rect, false, modulate, p_transpose);
-	else
+	} else {
 		p_viewport->draw_texture_rect_region(t, rect, r, modulate, p_transpose);
+	}
 }
 
 void TileMapEditor::_draw_fill_preview(Control *p_viewport, int p_cell, const Point2i &p_point, bool p_flip_h, bool p_flip_v, bool p_transpose, const Point2i p_autotile_coord, const Transform2D &p_xform) {
@@ -848,7 +851,6 @@ void TileMapEditor::_update_copydata() {
 			TileData tcd;
 
 			tcd.cell = node->get_cell(j, i);
-
 			if (tcd.cell != TileMap::INVALID_CELL) {
 				tcd.pos = Point2i(j, i);
 				tcd.flip_h = node->is_cell_x_flipped(j, i);