public static void DrawLine(TileMap tilemap, int x0, int y0, int x1, int y1, uint[,] tileData, bool randomize = false)
{
int w = tileData.GetLength(0);
int h = tileData.GetLength(1);
TileMapDrawingUtil.Line(x0, y0, x1, y1,
(x, y) =>
{
int dataIdx0 = randomize ? Random.Range(0, w) : (x % w + w) % w;
int dataIdx1 = randomize ? Random.Range(0, h) : (y % h + h) % h;
tilemap.SetTileData(x, y, tileData[dataIdx0, dataIdx1]);
return(true);
}
);
}
public void FloodFill(TileMap tileMap, Vector2 local_pos)
{
if (is_undo_enabled)
{
#if UNITY_EDITOR
Undo.RecordObject(tileMap, TileMapConst.Undo_Operation_Name + tileMap.name);
Undo.RecordObjects(tileMap.GetComponentsInChildren <TileMapChunk>(),
TileMapConst.Undo_Operation_Name + tileMap.name);
#endif
}
tileMap.is_undo_enabled = is_undo_enabled;
TileMapDrawingUtil.FloodFill(tileMap, local_pos, GetBrushPattern());
tileMap.UpdateMeshImmediate();
tileMap.is_undo_enabled = false;
}
public static void DrawEllipse(TileMap tilemap, int x0, int y0, int x1, int y1, uint[,] tileData, bool isFilled, bool randomize = false)
{
int w = tileData.GetLength(0);
int h = tileData.GetLength(1);
int xf = 0;
int yf = 0;
//fix for cases where x1 x2 y1 or y2 are negative or x1 > x2 or y1 > y2
// NOTE: I tested this only for case x1 == y1 == 0
if (x0 > x1)
{
Swap <int>(ref x0, ref x1);
}
if (y0 > y1)
{
Swap <int>(ref y0, ref y1);
}
if (x0 < 0)
{
xf = x0; x0 = 0; x1 -= xf;
}
if (y0 < 0)
{
yf = y0; y0 = 0; y1 -= yf;
}
//
TileMapDrawingUtil.Ellipse(x0, y0, x1, y1, isFilled,
(x, y) =>
{
int dataIdx0 = randomize ? Random.Range(0, w) : ((x + xf) % w + w) % w;
int dataIdx1 = randomize ? Random.Range(0, h) : ((y + yf) % h + h) % h;
tilemap.SetTileData(x + xf, y + yf, tileData[dataIdx0, dataIdx1]);
return(true);
}
);
}
public void OnSceneGUI_DoPaint()
{
Event e = Event.current;
DrawToolbar();
if (DragAndDrop.objectReferences.Length > 0 || // hide brush when user is dragging a prefab into the scene
EditorWindow.mouseOverWindow != SceneView.currentDrawingSceneView || // hide brush when it's not over the scene view
(Tools.current != Tool.Rect && Tools.current != Tool.None))
{
is_tileSetBrush_visible = false;
SceneView.RepaintAll();
return;
}
int control_id = GUIUtility.GetControlID(FocusType.Passive);
HandleUtility.AddDefaultControl(control_id);
EventType current_event_type = Event.current.GetTypeForControl(control_id);
bool is_skip = false;
int save_control = GUIUtility.hotControl;
try
{
if (current_event_type == EventType.Layout)
{
is_skip = true;
}
else if (current_event_type == EventType.ScrollWheel)
{
is_skip = true;
}
if (tileMap.tileSet == null)
{
return;
}
if (!is_skip)
{
if (e.type == EventType.KeyDown)
{
switch (e.keyCode)
{
case TileToolbarConst.Key_FlipH:
TileSetBrushBehaviour.instance.GetOrCreateTileSetBrushBehaviour(tileMap).FlipH(!e.shift);
e.Use(); // Use key event
break;
case TileToolbarConst.Key_FlipV:
TileSetBrushBehaviour.instance.GetOrCreateTileSetBrushBehaviour(tileMap).FlipV(!e.shift);
e.Use(); // Use key event
break;
case TileToolbarConst.Key_Rot90:
TileSetBrushBehaviour.instance.GetOrCreateTileSetBrushBehaviour(tileMap).Rot90(!e.shift);
e.Use(); // Use key event
break;
case TileToolbarConst.Key_Rot90Back:
TileSetBrushBehaviour.instance.GetOrCreateTileSetBrushBehaviour(tileMap).Rot90Back(!e.shift);
e.Use(); // Use key event
break;
case TileToolbarConst.Key_PencilTool:
case TileToolbarConst.Key_LineTool:
case TileToolbarConst.Key_RectTool:
case TileToolbarConst.Key_EllipseTool:
switch (e.keyCode)
{
case TileToolbarConst.Key_PencilTool:
TileSetBrushBehaviour.instance.paint_mode = TileSetBrushPaintMode.Pencil;
break;
case TileToolbarConst.Key_LineTool:
TileSetBrushBehaviour.instance.paint_mode = TileSetBrushPaintMode.Line;
break;
case TileToolbarConst.Key_RectTool:
TileSetBrushBehaviour.instance.paint_mode =
TileSetBrushBehaviour.instance.paint_mode == TileSetBrushPaintMode.Rect
? TileSetBrushPaintMode.FilledRect
: TileSetBrushPaintMode.Rect;//在filledRect和Rect之间切换
break;
case TileToolbarConst.Key_EllipseTool:
TileSetBrushBehaviour.instance.paint_mode =
TileSetBrushBehaviour.instance.paint_mode == TileSetBrushPaintMode.Ellipse
? TileSetBrushPaintMode.FilledEllipse
: TileSetBrushPaintMode.Ellipse;//在FilledEllipse和Ellipse之间切换
break;
}
tileSetBrush_mode = TileMapEditorBrushMode.Paint;
TileToolbar.instance.tileSetBrushToolbar.TriggerButton((int)tileSetBrush_mode);
TileToolbar.instance.tileSetBrushPaintToolbar.TriggerButton((int)TileSetBrushBehaviour.instance
.paint_mode);
e.Use();
break;
}
}
EditorGUIUtility.AddCursorRect(new Rect(0f, 0f, (float)Screen.width, (float)Screen.height),
MouseCursor.Arrow);
GUIUtility.hotControl = control_id;
{
Plane tileMapChunk_plane = new Plane(tileMap.transform.forward, tileMap.transform.position);
Vector2 mouse_pos = Event.current.mousePosition;
mouse_pos.y = Screen.height - mouse_pos.y;
Ray ray = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
float distance;
if (tileMapChunk_plane.Raycast(ray, out distance))
{
Rect tile_rect = new Rect(0, 0, tileMap.cell_size.x, tileMap.cell_size.y);
tile_rect.position = tileMap.transform.InverseTransformPoint(ray.GetPoint(distance));
Vector2 tile_pos = tile_rect.position;
if (tile_pos.x < 0)
{
tile_pos.x -= tileMap.cell_size.x;//因为负数是从-1开始的，正数是从0开始的
}
if (tile_pos.y < 0)
{
tile_pos.y -= tileMap.cell_size.y; //因为负数是从-1开始的，正数是从0开始的
}
tile_pos.x -= tile_pos.x % tileMap.cell_size.x; //取整
tile_pos.y -= tile_pos.y % tileMap.cell_size.y; //取整
tile_rect.position = tile_pos;
Vector2 start_pos = new Vector2(Mathf.Min(start_dragging_pos.x, end_dragging_pos.x),
Mathf.Min(start_dragging_pos.y, end_dragging_pos.y));
Vector2 end_pos = new Vector2(Mathf.Max(start_dragging_pos.x, end_dragging_pos.x),
Mathf.Max(start_dragging_pos.y, end_dragging_pos.y));
Vector2 selection_snapped_pos = TileSetBrushUtil.GetSnappedPosition(start_pos, tileMap.cell_size);
Vector2 selection_size = TileSetBrushUtil.GetSnappedPosition(end_pos, tileMap.cell_size) - selection_snapped_pos + tileMap.cell_size;
TileSetBrushBehaviour tileSetBrushBehaviour = TileSetBrushBehaviour.instance.GetOrCreateTileSetBrushBehaviour(tileMap);
// Update brush transform
local_tileSetBrushBehaviour_pos = (Vector2)tileMap.transform.InverseTransformPoint(ray.GetPoint(distance));//设置tileSetBrushBehaviour的position
Vector2 tileSetBrushBehaviour_snapped_pos = TileSetBrushUtil.GetSnappedPosition((tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos), tileMap.cell_size);
tileSetBrushBehaviour.transform.rotation = tileMap.transform.rotation;
tileSetBrushBehaviour.transform.localScale = tileMap.transform.lossyScale;
if (!TileSetBrushBehaviour.instance.is_dragging)//不是拖动的时候
{
tileSetBrushBehaviour.transform.position =
tileMap.transform.TransformPoint(new Vector3(tileSetBrushBehaviour_snapped_pos.x, tileSetBrushBehaviour_snapped_pos.y, -0.01f));
}
int pre_mouse_grid_x = mouse_grid_x;
int pre_mouse_grid_y = mouse_grid_y;
if (e.isMouse)
{
mouse_grid_x = TileSetBrushUtil.GetGridX(local_tileSetBrushBehaviour_pos, tileMap.cell_size);
mouse_grid_y = TileSetBrushUtil.GetGridY(local_tileSetBrushBehaviour_pos, tileMap.cell_size);
}
bool is_mouse_grid_changed = pre_mouse_grid_x != mouse_grid_x || pre_mouse_grid_y != mouse_grid_y;
//Update Fill Preview
if (GetTileSetBrushMode() == TileMapEditorBrushMode.Fill && is_mouse_grid_changed)
{
fill_preview_tile_pos_list.Clear();
TileMapDrawingUtil.FloodFillPreview(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos,
tileSetBrushBehaviour.tileMap.GetTileData(0, 0), fill_preview_tile_pos_list);
}
bool is_modifiers_changed = false;
if (e.isKey)
{
EventModifiers filtered_modifiers = e.modifiers & (EventModifiers.Control | EventModifiers.Alt);
is_modifiers_changed = filtered_modifiers != m_prevEventModifiers;
m_prevEventModifiers = filtered_modifiers;
}
if (
(EditorWindow.focusedWindow ==
EditorWindow.mouseOverWindow
) && // fix painting tiles when closing another window popup over the SceneView like GameObject Selection window
(e.type == EventType.MouseDown || e.type == EventType.MouseDrag && is_mouse_grid_changed ||
e.type == EventType.MouseUp || is_modifiers_changed)
)
{
if (e.button == 0)
{
if (mouseDoubleClick.IsDoubleClick && tileSetBrushBehaviour.tileMap.GridWidth == 1 &&
tileSetBrushBehaviour.tileMap.GridHeight == 1)
{
// Restore previous tiledata modified by Paint, because before the double click, a single click is done before
tileMap.SetTileData(tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos, flood_fill_restored_tileData);
tileSetBrushBehaviour.FloodFill(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos);
}
// Do a brush paint action
else
{
switch (GetTileSetBrushMode())
{
case TileMapEditorBrushMode.Paint:
if (e.type == EventType.MouseDown)
{
flood_fill_restored_tileData = tileMap.GetTileData(mouse_grid_x, mouse_grid_y);
}
if (e.type == EventType.MouseDown)
{
tileSetBrushBehaviour.DoPaintPressed(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos, e.modifiers);
}
else if (e.type == EventType.MouseDrag || is_modifiers_changed &&
TileSetBrushBehaviour.instance.paint_mode != TileSetBrushPaintMode.Pencil)
{
tileSetBrushBehaviour.DoPaintDragged(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos, e.modifiers);
}
else if (e.type == EventType.MouseUp)
{
tileSetBrushBehaviour.DoPaintReleased(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos, e.modifiers);
}
break;
case TileMapEditorBrushMode.Erase:
tileSetBrushBehaviour.Erase(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos);
break;
case TileMapEditorBrushMode.Fill:
tileSetBrushBehaviour.FloodFill(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos);
break;
}
}
}
else if (e.button == 1)
{
if (e.type == EventType.MouseDown)
{
is_dragging = true;
tileSetBrushBehaviour.tileMap.ClearMap();
start_dragging_pos = end_dragging_pos = local_tileSetBrushBehaviour_pos;
}
else
{
end_dragging_pos = local_tileSetBrushBehaviour_pos;
}
}
}
if (e.type == EventType.MouseUp)
{
if (e.button == 1) // right mouse button
{
is_dragging = false;
ResetTileSetBrushMode();
// Copy one tile
if (selection_size.x <= tileMap.cell_size.x && selection_size.y <= tileMap.cell_size.y)
{
uint tileData = tileMap.GetTileData(local_tileSetBrushBehaviour_pos);
//Select the first tile not null if any and select the tilemap
if (e.control && tileMap.parent_tileMapGroup)
{
for (int i = tileMap.parent_tileMapGroup.tileMap_list.Count - 1; i >= 0; --i)
{
var tileMap = this.tileMap.parent_tileMapGroup.tileMap_list[i];
tileData = tileMap.GetTileData(local_tileSetBrushBehaviour_pos);
if (tileData != TileSetConst.TileData_Empty)
{
tileMap.parent_tileMapGroup.selected_tileMap = tileMap;
if (Selection.activeGameObject == this.tileMap.gameObject)
{
Selection.activeGameObject = tileMap.gameObject;
}
break;
}
}
}
if (tileData == TileSetConst.TileData_Empty)
{
tileMap.tileSet.selected_tileId = TileSetConst.TileId_Empty;
tileSetBrushBehaviour.tileMap.SetTileData(0, 0, TileSetConst.TileData_Empty);
}
else
{
int brushId = TileSetUtil.GetTileSetBrushIdFromTileData(tileData);
int tileId = TileSetUtil.GetTileIdFromTileData(tileData);
// Select the copied tile in the tileset
if (brushId > 0 && !e.alt) //NOTE: if Alt is held, the tile is selected instead
{
tileMap.tileSet.selected_tileSetBrushId = brushId;
}
else
{
tileMap.tileSet.selected_tileId = tileId;
tileSetBrushBehaviour.tileMap.SetTileData(0, 0,
tileData & ~TileSetConst.TileDataMask_TileSetBrushId); // keep tile flags
}
}
// Cut tile if key shift is pressed
if (e.shift)
{
int startGridX = TileSetBrushUtil.GetGridX(start_pos, tileMap.cell_size);
int startGridY = TileSetBrushUtil.GetGridY(start_pos, tileMap.cell_size);
tileSetBrushBehaviour.CutRect(tileMap, startGridX, startGridY, startGridX, startGridY);
}
tileSetBrushBehaviour.tileMap.UpdateMesh();
tileSetBrushBehaviour.offset = Vector2.zero;
}
// copy a rect of tiles
else
{
int startGridX = TileSetBrushUtil.GetGridX(start_pos, tileMap.cell_size);
int startGridY = TileSetBrushUtil.GetGridY(start_pos, tileMap.cell_size);
int endGridX = TileSetBrushUtil.GetGridX(end_pos, tileMap.cell_size);
int endGridY = TileSetBrushUtil.GetGridY(end_pos, tileMap.cell_size);
// Cut tile if key shift is pressed
if (e.shift)
{
tileSetBrushBehaviour.CutRect(tileMap, startGridX, startGridY, endGridX, endGridY);
}
else
{
tileSetBrushBehaviour.CopyRect(tileMap, startGridX, startGridY, endGridX, endGridY);
}
tileSetBrushBehaviour.offset.x = end_dragging_pos.x > start_dragging_pos.x
? -(endGridX - startGridX) * tileMap.cell_size.x
: 0f;
tileSetBrushBehaviour.offset.y = end_dragging_pos.y > start_dragging_pos.y
? -(endGridY - startGridY) * tileMap.cell_size.y
: 0f;
}
}
}
if (is_dragging)
{
Rect rGizmo = new Rect(selection_snapped_pos, selection_size);
DrawUtil.HandlesDrawSolidRectangleWithOutline(rGizmo, new Color(), Color.white, tileMap.transform);
}
else // Draw brush border
{
Rect rBound = new Rect(tileSetBrushBehaviour.tileMap.tileMapBounds.min,
tileSetBrushBehaviour.tileMap.tileMapBounds.size);
Color fillColor;
switch (GetTileSetBrushMode())
{
case TileMapEditorBrushMode.Paint:
fillColor = new Color(0, 0, 0, 0);
break;
case TileMapEditorBrushMode.Erase:
fillColor = new Color(1f, 0f, 0f, 0.1f);
break;
case TileMapEditorBrushMode.Fill:
fillColor = new Color(1f, 1f, 0f, 0.2f);
break;
default:
fillColor = new Color(0, 0, 0, 0);
break;
}
DrawUtil.HandlesDrawSolidRectangleWithOutline(rBound, fillColor, new Color(1, 1, 1, 0.2f),
tileSetBrushBehaviour.transform);
}
}
}
if (current_event_type == EventType.MouseDrag && Event.current.button < 2) // 2 is for central mouse button
{
// avoid dragging the map
Event.current.Use();
}
}
}
catch (Exception exception)
{
Debug.LogException(exception);
}
SceneView.RepaintAll();
GUIUtility.hotControl = save_control;
}
public void DoPaintDragged(TileMap tileMap, Vector2 local_pos, EventModifiers modifiers = default(EventModifiers))
{
//Debug.Log("DoPaintDragged (" + TilemapUtils.GetGridX(tilemap, localPos) + "," + TilemapUtils.GetGridY(tilemap, localPos) + ")");
if (paint_mode == TileSetBrushPaintMode.Pencil)
{
Paint(tileMap, local_pos);
}
else
{
if (is_dragging)
{
this.tileMap.ClearMap();
Vector2 brushLocPos = tileMap.transform.InverseTransformPoint(transform.position);
Vector2 startPos = TileSetBrushUtil.GetSnappedPosition(pressed_position, this.tileMap.cell_size) + this.tileMap.cell_size / 2f -
brushLocPos;
Vector2 endPos = TileSetBrushUtil.GetSnappedPosition(local_pos, this.tileMap.cell_size) + this.tileMap.cell_size / 2f -
brushLocPos;
bool isCtrl = (modifiers & EventModifiers.Control) != 0;
bool isShift = (modifiers & EventModifiers.Shift) != 0;
switch (paint_mode)
{
case TileSetBrushPaintMode.Line:
if (isCtrl)
{
TileMapDrawingUtil.DrawLineMirrored(this.tileMap, startPos, endPos, brushPattern);
}
else
{
TileMapDrawingUtil.DrawLine(this.tileMap, startPos, endPos, brushPattern);
}
break;
case TileSetBrushPaintMode.Rect:
case TileSetBrushPaintMode.FilledRect:
case TileSetBrushPaintMode.Ellipse:
case TileSetBrushPaintMode.FilledEllipse:
if (isShift)
{
Vector2 vTemp = endPos - startPos;
float absX = Mathf.Abs(vTemp.x);
float absY = Mathf.Abs(vTemp.y);
vTemp.x = (absX > absY) ? vTemp.x : Mathf.Sign(vTemp.x) * absY;
vTemp.y = Mathf.Sign(vTemp.y) * Mathf.Abs(vTemp.x);
endPos = startPos + vTemp;
}
if (isCtrl)
{
startPos = 2f * startPos - endPos;
}
if (paint_mode == TileSetBrushPaintMode.Rect || paint_mode == TileSetBrushPaintMode.FilledRect)
{
TileMapDrawingUtil.DrawRect(this.tileMap, startPos, endPos, brushPattern,
paint_mode == TileSetBrushPaintMode.FilledRect, (modifiers & EventModifiers.Alt) != 0);
}
else if (paint_mode == TileSetBrushPaintMode.Ellipse || paint_mode == TileSetBrushPaintMode.FilledEllipse)
{
TileMapDrawingUtil.DrawEllipse(this.tileMap, startPos, endPos, brushPattern,
paint_mode == TileSetBrushPaintMode.FilledEllipse);
}
break;
}
this.tileMap.UpdateMeshImmediate();
}
}
}
public static void DrawRect(TileMap tilemap, int x0, int y0, int x1, int y1, uint[,] tileData, bool isFilled, bool is9Sliced = false, bool randomize = false)
{
int w = tileData.GetLength(0);
int h = tileData.GetLength(1);
if (x0 > x1)
{
Swap <int>(ref x0, ref x1);
}
if (y0 > y1)
{
Swap <int>(ref y0, ref y1);
}
TileMapDrawingUtil.Rect(x0, y0, x1, y1, isFilled,
(x, y) =>
{
if (is9Sliced)
{
if (x == x0 && y == y0)
{
tilemap.SetTileData(x, y, tileData[0, 0]);
}
else if (x == x0 && y == y1)
{
tilemap.SetTileData(x, y, tileData[0, h - 1]);
}
else if (x == x1 && y == y0)
{
tilemap.SetTileData(x, y, tileData[w - 1, 0]);
}
else if (x == x1 && y == y1)
{
tilemap.SetTileData(x, y, tileData[w - 1, h - 1]);
}
else
{
int cw = w - 2;
int ch = h - 2;
int cx = cw >= 1 ? 1 + (x % cw + cw) % cw : (x % w + w) % w;
int cy = ch >= 1 ? 1 + (y % ch + ch) % ch : (y % h + h) % h;
if (x == x0)
{
tilemap.SetTileData(x, y, tileData[0, cy]);
}
else if (x == x1)
{
tilemap.SetTileData(x, y, tileData[w - 1, cy]);
}
else if (y == y0)
{
tilemap.SetTileData(x, y, tileData[cx, 0]);
}
else if (y == y1)
{
tilemap.SetTileData(x, y, tileData[cx, h - 1]);
}
else
{
tilemap.SetTileData(x, y, tileData[cx, cy]);
}
}
}
else
{
int dataIdx0 = randomize ? Random.Range(0, w) : (x % w + w) % w;
int dataIdx1 = randomize ? Random.Range(0, h) : (y % h + h) % h;
tilemap.SetTileData(x, y, tileData[dataIdx0, dataIdx1]);
}
return(true);
}
);
}
