bendns' repos / tracer
small racing game im working on
Diffstat (limited to 'ui/editor/block_dragdrop_preview.gd')
-rw-r--r--ui/editor/block_dragdrop_preview.gd78
1 files changed, 78 insertions, 0 deletions
diff --git a/ui/editor/block_dragdrop_preview.gd b/ui/editor/block_dragdrop_preview.gd
new file mode 100644
index 0000000..05a21f2
--- /dev/null
+++ b/ui/editor/block_dragdrop_preview.gd
@@ -0,0 +1,78 @@
+extends Control
+class_name DragDropPreview
+
+var blocks: Array[Block] = []
+var objects: Array[Block]
+var offsets: PackedVector3Array = []
+var offsets_unset := false
+var cam: Camera3D
+var previews: Node3D
+
+func get_columns(x: int) -> int:
+ return floori(sqrt(x))
+
+func init(textures: Array[Texture2D], p_cam: Camera3D):
+ cam = p_cam
+ var columns := get_columns(textures.size())
+ %grid.columns = columns
+ for i in columns * columns:
+ var t_rect := TextureRect.new()
+ t_rect.size_flags_horizontal = SIZE_EXPAND
+ t_rect.size_flags_vertical = SIZE_EXPAND
+ t_rect.expand_mode = TextureRect.EXPAND_IGNORE_SIZE
+ t_rect.texture = textures[i]
+ @warning_ignore("integer_division")
+ t_rect.custom_minimum_size = Vector2(64/columns, 64/columns)
+ %grid.add_child(t_rect)
+ return self
+
+func _ready() -> void:
+ await get_tree().physics_frame
+ var data = get_viewport().gui_get_drag_data()
+ if (
+ data is Array
+ and data.size() == 2
+ and data[0] is Array[TrackObject]
+ and data[1] is PackedVector3Array
+ and data[0].size() == data[1].size()
+ ):
+ mkobjs(data[0])
+ offsets = data[1]
+ elif data is Array[TrackObject]:
+ mkobjs(data)
+ offsets_unset = true
+ tree_exiting.connect(cleanup)
+
+func cleanup() -> void:
+ for block in blocks: block.queue_free()
+
+func mkobjs(objs: Array[TrackObject]):
+ for obj in objs:
+ var block: Block = obj.create(true)
+ add_child(block)
+ block.hide()
+ blocks.append(block)
+
+func over_viewport():
+ if blocks.is_empty():
+ return
+ %panel.hide()
+ for block in blocks: block.show()
+
+func viewport_event(e: InputEvent) -> void:
+ if e is InputEventMouse:
+ position_blocks(e.position)
+
+func position_blocks(mp: Vector2):
+ var at_position := cam.project_position(mp, 50)
+ for i in len(blocks):
+ blocks[i].global_position = (
+ (offsets[i] + at_position)
+ if not offsets_unset
+ else at_position
+ ).snapped(Globals.SNAP)
+
+func exit_viewport() -> void:
+ %panel.show()
+ for block in blocks:
+ block.hide()