public virtual uint Refresh(Tilemap tilemap, int gridX, int gridY, uint tileData)
{
return(tileData);
}
public virtual uint[] GetSubtiles(Tilemap tilemap, int gridX, int gridY, uint tileData)
{
return(null);
}
/// <summary>
/// Get the world position for the center of a given grid cell position.
/// </summary>
/// <param name="gridX"></param>
/// <param name="gridY"></param>
/// <returns></returns>
static public Vector3 GetGridWorldPos(Tilemap tilemap, int gridX, int gridY)
{
return(tilemap.transform.TransformPoint(new Vector2((gridX + .5f) * tilemap.CellSize.x, (gridY + .5f) * tilemap.CellSize.y)));
}
public virtual Vector2[] GetMergedSubtileColliderVertices(Tilemap tilemap, int gridX, int gridY, uint tileData)
{
return(null);
}
public override Vector2[] GetMergedSubtileColliderVertices(Tilemap tilemap, int gridX, int gridY, uint tileData)
{
uint[] subTiles = GetSubtiles(tilemap, gridX, gridY, tileData);
if (subTiles != null)
{
s_mergedColliderVertexList.Clear();
for (int i = 0; i < subTiles.Length; ++i)
{
uint subTileData = subTiles[i];
Tile tile = tilemap.Tileset.GetTile(Tileset.GetTileIdFromTileData(subTiles[i]));
if (tile != null && tile.collData.type != eTileCollider.None)
{
TileColliderData tileCollData = tile.collData;
if ((subTileData & (Tileset.k_TileFlag_FlipH | Tileset.k_TileFlag_FlipV | Tileset.k_TileFlag_Rot90)) != 0)
{
tileCollData = tileCollData.Clone();
tileCollData.ApplyFlippingFlags(subTileData);
}
Vector2[] vertices = tile.collData.GetVertices();
if (vertices != null)
{
for (int v = 0; v < vertices.Length; ++v)
{
Vector2 v0, v1;
if (v < tile.collData.vertices.Length - 1)
{
v0 = vertices[v];
v1 = vertices[v + 1];
}
else
{
v0 = vertices[v];
v1 = vertices[0];
}
if (i == 0 || i == 2) //left side
{
if (v0.x >= .5f && v1.x >= .5f)
{
continue;
}
float newY = v0.y + (.5f - v0.x) * (v1.y - v0.y) / (v1.x - v0.x);
if (v0.x > .5f)
{
v0.y = newY;
v0.x = .5f;
}
else if (v1.x > .5f)
{
v1.y = newY;
v1.x = .5f;
}
}
else // right side
{
if (v0.x <= .5f && v1.x <= .5f)
{
continue;
}
float newY = v0.y + (.5f - v0.x) * (v1.y - v0.y) / (v1.x - v0.x);
if (v0.x < .5f)
{
v0.y = newY;
v0.x = .5f;
}
else if (v1.x < .5f)
{
v1.y = newY;
v1.x = .5f;
}
}
if (i == 0 || i == 1) //bottom side
{
if (v0.y >= .5f && v1.y >= .5f)
{
continue;
}
float newX = v0.x + (.5f - v0.y) * (v1.x - v0.x) / (v1.y - v0.y);
if (v0.y > .5f)
{
v0.x = newX;
v0.y = .5f;
}
else if (v1.y > .5f)
{
v1.x = newX;
v1.y = .5f;
}
}
else // top side
{
if (v0.y <= .5f && v1.y <= .5f)
{
continue;
}
float newX = v0.x + (.5f - v0.y) * (v1.x - v0.x) / (v1.y - v0.y);
if (v0.y < .5f)
{
v0.x = newX;
v0.y = .5f;
}
else if (v1.y < .5f)
{
v1.x = newX;
v1.y = .5f;
}
}
s_mergedColliderVertexList.Add(v0);
s_mergedColliderVertexList.Add(v1);
}
}
}
}
return(s_mergedColliderVertexList.ToArray());
}
return(null);
}
//https://social.msdn.microsoft.com/Forums/en-US/9d926a16-0051-4ca3-b77c-8095fb489ae2/flood-fill-c?forum=csharplanguage
public static void FloodFill(Tilemap tilemap, int gridX, int gridY, uint tileData)
{
float timeStamp;
timeStamp = Time.realtimeSinceStartup;
//float callTimeStamp = timeStamp;
LinkedList <Point> check = new LinkedList <Point>();
uint floodFrom = tilemap.GetTileData(gridX, gridY);
tilemap.SetTileData(gridX, gridY, tileData);
bool isBrush = Tileset.GetBrushIdFromTileData(floodFrom) != 0;
//Debug.Log(" Flood Fill Starts +++++++++++++++ ");
if (
isBrush?
Tileset.GetBrushIdFromTileData(floodFrom) != Tileset.GetBrushIdFromTileData(tileData)
:
floodFrom != tileData
)
{
check.AddLast(new Point(gridX, gridY));
while (check.Count > 0)
{
Point cur = check.First.Value;
check.RemoveFirst();
foreach (Point off in new Point[] {
new Point(0, -1), new Point(0, 1),
new Point(-1, 0), new Point(1, 0)
})
{
Point next = new Point(cur.X + off.X, cur.Y + off.Y);
uint nextTileData = tilemap.GetTileData(next.X, next.Y);
if (
next.X >= tilemap.MinGridX && next.X <= tilemap.MaxGridX &&
next.Y >= tilemap.MinGridY && next.Y <= tilemap.MaxGridY
)
{
if (
isBrush?
Tileset.GetBrushIdFromTileData(floodFrom) == Tileset.GetBrushIdFromTileData(nextTileData)
:
floodFrom == nextTileData
)
{
check.AddLast(next);
tilemap.SetTileData(next.X, next.Y, tileData);
}
}
}
float timePast = Time.realtimeSinceStartup - timeStamp;
if (timePast > k_timeToAbortFloodFill)
{
#if UNITY_EDITOR
int result = UnityEditor.EditorUtility.DisplayDialogComplex("FloodFill is taking too much time", "Do you want to continue for another " + k_timeToAbortFloodFill + " seconds?", "Wait", "Cancel", "Wait and Don't ask again");
if (result == 0)
{
timeStamp = Time.realtimeSinceStartup;
}
else if (result == 1)
{
break;
}
else if (result == 2)
{
timeStamp = float.MaxValue;
}
#else
check.Clear();
#endif
}
}
}
//Debug.Log("FloodFill Time " + (int)((Time.realtimeSinceStartup - callTimeStamp) * 1000) + "ms");
}
private ReorderableList CreateTilemapReorderableList()
{
ReorderableList reordList = new ReorderableList(serializedObject, serializedObject.FindProperty("m_tilemaps"), true, true, true, true);
reordList.displayAdd = reordList.displayRemove = true;
reordList.drawHeaderCallback = (Rect rect) =>
{
EditorGUI.LabelField(rect, "Tilemaps", EditorStyles.boldLabel);
Texture2D btnTexture = reordList.elementHeight == 0f ? EditorGUIUtility.FindTexture("winbtn_win_max_h") : EditorGUIUtility.FindTexture("winbtn_win_min_h");
if (GUI.Button(new Rect(rect.width - rect.height, rect.y, rect.height, rect.height), btnTexture, EditorStyles.label))
{
reordList.elementHeight = reordList.elementHeight == 0f ? EditorGUIUtility.singleLineHeight : 0f;
reordList.draggable = reordList.elementHeight > 0f;
}
};
reordList.drawElementCallback = (Rect rect, int index, bool isActive, bool isFocused) =>
{
var element = reordList.serializedProperty.GetArrayElementAtIndex(index);
if (Event.current.type == EventType.Repaint)
{
m_reordListRectsDic[m_reordIdx] = rect;
}
else if (Event.current.type == EventType.Layout)
{
m_reordListRectsDic.TryGetValue(m_reordIdx, out rect);
}
m_reordIdx++;
rect.y += 2;
Tilemap tilemap = element.objectReferenceValue as Tilemap;
SerializedObject tilemapSerialized = new SerializedObject(tilemap);
SerializedObject tilemapObjSerialized = new SerializedObject(tilemapSerialized.FindProperty("m_GameObject").objectReferenceValue);
GUILayout.BeginArea(rect);
EditorGUILayout.BeginHorizontal();
tilemap.IsVisible = EditorGUILayout.Toggle(tilemap.IsVisible, GUILayout.Width(16));
EditorGUILayout.PropertyField(tilemapObjSerialized.FindProperty("m_Name"), GUIContent.none);
if (TilemapEditor.EditMode == TilemapEditor.eEditMode.Collider)
{
SerializedProperty colliderTypeProperty = tilemapSerialized.FindProperty("ColliderType");
string[] colliderTypeNames = new List <string>(System.Enum.GetNames(typeof(eColliderType)).Select(x => x.Replace('_', ' '))).ToArray();
EditorGUI.BeginChangeCheck();
colliderTypeProperty.intValue = GUILayout.SelectionGrid(colliderTypeProperty.intValue, colliderTypeNames, colliderTypeNames.Length, GUILayout.MaxHeight(0.9f * EditorGUIUtility.singleLineHeight));
if (EditorGUI.EndChangeCheck())
{
tilemapSerialized.ApplyModifiedProperties();
tilemap.Refresh(false, true);
}
}
else
{
// Sorting Layer and Order in layer
EditorGUI.BeginChangeCheck();
EditorGUIUtility.labelWidth = 1;
EditorGUILayout.PropertyField(tilemapSerialized.FindProperty("m_sortingLayer"), new GUIContent(" "));
EditorGUIUtility.labelWidth = 40;
EditorGUILayout.PropertyField(tilemapSerialized.FindProperty("m_orderInLayer"), new GUIContent("Order"), GUILayout.MaxWidth(90));
EditorGUIUtility.labelWidth = 0;
tilemapSerialized.FindProperty("m_orderInLayer").intValue = (tilemapSerialized.FindProperty("m_orderInLayer").intValue << 16) >> 16; // convert from int32 to int16 keeping sign
if (EditorGUI.EndChangeCheck())
{
tilemapSerialized.ApplyModifiedProperties();
tilemap.RefreshChunksSortingAttributes();
SceneView.RepaintAll();
}
//---
}
EditorGUILayout.EndHorizontal();
GUILayout.EndArea();
if (GUI.changed)
{
tilemapObjSerialized.ApplyModifiedProperties();
}
};
reordList.onReorderCallback = (ReorderableList list) =>
{
var targetObj = target as TilemapGroup;
int sibilingIdx = 0;
foreach (Tilemap tilemap in targetObj.Tilemaps)
{
tilemap.transform.SetSiblingIndex(sibilingIdx++);
}
Repaint();
};
reordList.onSelectCallback = (ReorderableList list) =>
{
serializedObject.FindProperty("m_selectedIndex").intValue = reordList.index;
serializedObject.ApplyModifiedProperties();
GUI.changed = true;
TileSelectionWindow.RefreshIfVisible();
TilePropertiesWindow.RefreshIfVisible();
};
reordList.onAddCallback = (ReorderableList list) =>
{
var targetObj = target as TilemapGroup;
Undo.RegisterCompleteObjectUndo(targetObj, "New Tilemap");
GameObject obj = new GameObject();
Undo.RegisterCreatedObjectUndo(obj, "New Tilemap");
Tilemap newTilemap = obj.AddComponent <Tilemap>();
obj.transform.parent = targetObj.transform;
obj.name = GameObjectUtility.GetUniqueNameForSibling(obj.transform.parent, "New Tilemap");
Tilemap copiedTilemap = targetObj.SelectedTilemap;
if (copiedTilemap)
{
UnityEditorInternal.ComponentUtility.CopyComponent(copiedTilemap);
UnityEditorInternal.ComponentUtility.PasteComponentValues(newTilemap);
obj.SendMessage("_DoDuplicate");
obj.name = GameObjectUtility.GetUniqueNameForSibling(obj.transform.parent, copiedTilemap.name);
}
};
reordList.onRemoveCallback = (ReorderableList list) =>
{
var targetObj = target as TilemapGroup;
Undo.DestroyObjectImmediate(targetObj.SelectedTilemap.gameObject);
//NOTE: Fix argument exception
if (m_tilemapReordList.index == targetObj.Tilemaps.Count - 1)
{
serializedObject.FindProperty("m_selectedIndex").intValue = m_tilemapReordList.index = m_tilemapReordList.index - 1;
}
};
return(reordList);
}
// '°', '├', '═', '┤', | 0, 2, 10, 8,
// '┬', '╔', '╦', '╗', | 4, 6, 14, 12,
// '║', '╠', '╬', '╣', | 5, 7, 15, 13,
// '┴', '╚', '╩', '╝', | 1, 3, 11, 9,
public override uint[] GetSubtiles(Tilemap tilemap, int gridX, int gridY, uint tileData)
{
CalculateNeighbourData(tilemap, gridX, gridY, tileData);
// tiles that need subtile division
if (s_needsSubTiles)
{
uint[] aSubTileData = null;
if (s_neighIdx == 0) //°
{
aSubTileData = new uint[] { TileIds[3], TileIds[9], TileIds[6], TileIds[12] };
}
else if (s_neighIdx == 4)//┬
{
aSubTileData = new uint[] { TileIds[6], TileIds[12], TileIds[6], TileIds[12] };
}
else if (s_neighIdx == 5)//║
{
aSubTileData = new uint[] { TileIds[7], TileIds[13], TileIds[7], TileIds[13] };
}
else if (s_neighIdx == 1)//┴
{
aSubTileData = new uint[] { TileIds[3], TileIds[9], TileIds[3], TileIds[9] };
}
else if (s_neighIdx == 2)//├
{
aSubTileData = new uint[] { TileIds[3], TileIds[3], TileIds[6], TileIds[6] };
}
else if (s_neighIdx == 10)//═
{
aSubTileData = new uint[] { TileIds[11], TileIds[11], TileIds[14], TileIds[14] };
}
else if (s_neighIdx == 8)//┤
{
aSubTileData = new uint[] { TileIds[9], TileIds[9], TileIds[12], TileIds[12] };
}
// NOTE: this case '╬' cut the tiles different (using corner tiles).
// If it is commented, and default case is used, instead or corner tiles, it will use the center tile '╬'
// Depending on the graphics it could be interesting add a check box to choose between using this or not.
else if (s_neighIdx == 15)// ╬
{
aSubTileData = new uint[] { InteriorCornerTileIds[0], InteriorCornerTileIds[1], InteriorCornerTileIds[2], InteriorCornerTileIds[3] };
}
else
{
aSubTileData = new uint[] { TileIds[s_neighIdx], TileIds[s_neighIdx], TileIds[s_neighIdx], TileIds[s_neighIdx] };
}
for (int i = 0; i < s_showDiagonal.Length; ++i)
{
if (s_showDiagonal[i])
{
aSubTileData[i] = InteriorCornerTileIds[3 - i];
}
// Add animated tiles
{
TilesetBrush brush = Tileset.FindBrush(Tileset.GetBrushIdFromTileData(aSubTileData[i]));
if (brush && brush.IsAnimated())
{
TilemapChunk.RegisterAnimatedBrush(brush, i);
}
}
}
return(aSubTileData);
}
// Add animated tiles
{
TilesetBrush brush = Tileset.FindBrush(Tileset.GetBrushIdFromTileData(s_tileData));
if (brush && brush.IsAnimated())
{
TilemapChunk.RegisterAnimatedBrush(brush);
}
}
return(null);
}
public void DoPaintDragged(Tilemap tilemap, Vector2 localPos, EventModifiers modifiers = default(EventModifiers))
{
//Debug.Log("DoPaintDragged (" + TilemapUtils.GetGridX(tilemap, localPos) + "," + TilemapUtils.GetGridY(tilemap, localPos) + ")");
if (m_paintMode == eBrushPaintMode.Pencil)
{
Paint(tilemap, localPos);
}
else
{
if (m_isDragging)
{
BrushTilemap.ClearMap();
Vector2 brushLocPos = tilemap.transform.InverseTransformPoint(transform.position);
Vector2 startPos = BrushUtil.GetSnappedPosition(m_pressedPosition, BrushTilemap.CellSize) + BrushTilemap.CellSize / 2f - brushLocPos;
Vector2 endPos = BrushUtil.GetSnappedPosition(localPos, BrushTilemap.CellSize) + BrushTilemap.CellSize / 2f - brushLocPos;
bool isCtrl = (modifiers & EventModifiers.Control) != 0;
bool isShift = (modifiers & EventModifiers.Shift) != 0;
switch (m_paintMode)
{
case eBrushPaintMode.Line:
if (isCtrl)
{
TilemapDrawingUtils.DrawLineMirrored(BrushTilemap, startPos, endPos, m_brushPattern);
}
else
{
TilemapDrawingUtils.DrawLine(BrushTilemap, startPos, endPos, m_brushPattern);
}
break;
case eBrushPaintMode.Rect:
case eBrushPaintMode.FilledRect:
case eBrushPaintMode.Ellipse:
case eBrushPaintMode.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 (m_paintMode == eBrushPaintMode.Rect || m_paintMode == eBrushPaintMode.FilledRect)
{
TilemapDrawingUtils.DrawRect(BrushTilemap, startPos, endPos, m_brushPattern, m_paintMode == eBrushPaintMode.FilledRect, (modifiers & EventModifiers.Alt) != 0);
}
else if (m_paintMode == eBrushPaintMode.Ellipse || m_paintMode == eBrushPaintMode.FilledEllipse)
{
TilemapDrawingUtils.DrawEllipse(BrushTilemap, startPos, endPos, m_brushPattern, m_paintMode == eBrushPaintMode.FilledEllipse);
}
break;
}
BrushTilemap.UpdateMeshImmediate();
}
}
}
static public Texture2D CreateTexture2DFromTilemap(Tilemap tilemap)
{
MakeTextureReadable(tilemap.Tileset.AtlasTexture);
int tilePxSizeX = (int)tilemap.Tileset.TilePxSize.x;
int tilePxSizeY = (int)tilemap.Tileset.TilePxSize.y;
Texture2D output = new Texture2D(tilemap.GridWidth * tilePxSizeX, tilemap.GridHeight * tilePxSizeY, TextureFormat.ARGB32, false);
output.filterMode = FilterMode.Point;
output.SetPixels32(new Color32[output.width * output.height]);
output.Apply();
System.Action <Tilemap, int, int, uint> action = (Tilemap source, int gridX, int gridY, uint tileData) =>
{
gridX -= source.MinGridX;
gridY -= source.MinGridY;
Tile tile = tilemap.Tileset.GetTile(Tileset.GetTileIdFromTileData(tileData));
if (tile != null)
{
Texture2D atlasTexture = tilemap.Tileset.AtlasTexture;
int tx = Mathf.RoundToInt(tile.uv.x * atlasTexture.width);
int ty = Mathf.RoundToInt(tile.uv.y * atlasTexture.height);
int tw = tilePxSizeX;
int th = tilePxSizeY;
Sprite prefabSprite = null;
if (tile.prefabData.prefab)
{
SpriteRenderer spriteRenderer = tile.prefabData.prefab.GetComponent <SpriteRenderer>();
if (spriteRenderer && spriteRenderer.sprite)
{
prefabSprite = spriteRenderer.sprite;
MakeTextureReadable(spriteRenderer.sprite.texture);
atlasTexture = spriteRenderer.sprite.texture;
tx = Mathf.RoundToInt(spriteRenderer.sprite.textureRect.x);
ty = Mathf.RoundToInt(spriteRenderer.sprite.textureRect.y);
tw = Mathf.RoundToInt(spriteRenderer.sprite.textureRect.width);
th = Mathf.RoundToInt(spriteRenderer.sprite.textureRect.height);
}
}
bool flipH = (tileData & Tileset.k_TileFlag_FlipH) != 0;
bool flipV = (tileData & Tileset.k_TileFlag_FlipV) != 0;
bool rot90 = (tileData & Tileset.k_TileFlag_Rot90) != 0;
Color[] srcTileColors = atlasTexture.GetPixels(tx, ty, tw, th);
if (flipH)
{
Color[] tempArr = new Color[0];
for (int i = 0; i < th; ++i)
{
tempArr = tempArr.Concat(srcTileColors.Skip(tw * i).Take(tw).Reverse()).ToArray();
}
srcTileColors = tempArr;
}
if (flipV)
{
Color[] tempArr = new Color[0];
for (int i = th - 1; i >= 0; --i)
{
tempArr = tempArr.Concat(srcTileColors.Skip(tw * i).Take(tw)).ToArray();
}
srcTileColors = tempArr;
}
if (rot90)
{
Color[] tempArr = new Color[tw * th];
for (int x = tw - 1, i = 0; x >= 0; --x)
{
for (int y = 0; y < th; ++y, ++i)
{
tempArr[i] = srcTileColors[y * tw + x];
}
}
srcTileColors = tempArr;
int temp = tw;
tw = th;
th = temp;
}
if (prefabSprite)
{
Vector2 tileSize = prefabSprite.textureRect.size;
Vector2 pivot = prefabSprite.pivot - prefabSprite.textureRectOffset;
if (flipV)
{
pivot.y = -pivot.y + prefabSprite.textureRect.height;
}
if (flipH)
{
pivot.x = -pivot.x + prefabSprite.textureRect.width;
}
if (rot90)
{
pivot = new Vector2(pivot.y, tileSize.x - pivot.x);
tileSize.x = prefabSprite.textureRect.size.y;
tileSize.y = prefabSprite.textureRect.size.x;
}
Vector2 offset = pivot - tilemap.Tileset.TilePxSize / 2;// sprite.pivot + sprite.textureRect.position - sprite.textureRectOffset;
BlitPixels(output, gridX * tilePxSizeX - Mathf.RoundToInt(offset.x), gridY * tilePxSizeY - Mathf.RoundToInt(offset.y), Mathf.RoundToInt(tileSize.x), Mathf.RoundToInt(tileSize.y), srcTileColors);
}
else
{
output.SetPixels(gridX * tilePxSizeX, gridY * tilePxSizeY, tw, th, srcTileColors);
}
}
};
TilemapUtils.IterateTilemapWithAction(tilemap, action);
output.Apply();
return(output);
}
/// <summary>
/// /// Gets the grid X position for a given tilemap and camera where the mouse is over.
/// </summary>
/// <param name="tilemap"></param>
/// <param name="camera"></param>
/// <returns></returns>
static public int GetMouseGridY(Tilemap tilemap, Camera camera)
{
Vector2 locPos = camera.ScreenToWorldPoint(Input.mousePosition);
return(GetGridY(tilemap, tilemap.transform.InverseTransformPoint(locPos)));
}
/// <summary>
/// Gets the grid Y position for a given tilemap and local position. To convert from world to local position use tilemap.transform.InverseTransformPoint(worldPosition).
/// Avoid using positions multiple of cellSize like 0.32f if cellSize = 0.16f because due float imprecisions the return value could be wrong.
/// </summary>
/// <param name="tilemap"></param>
/// <param name="locPosition"></param>
/// <returns></returns>
static public int GetGridY(Tilemap tilemap, Vector2 locPosition)
{
return(BrushUtil.GetGridY(locPosition, tilemap.CellSize));
}
//Note: this is doing the same as FloodFill but not saving data in the tilemap, only saving the filled points and returning a list
public static void FloodFillPreview(Tilemap tilemap, int gridX, int gridY, uint tileData, List <Vector2> outFilledPoints, uint maxPoints = uint.MaxValue)
{
if (
gridX >= tilemap.MinGridX && gridX <= tilemap.MaxGridX &&
gridY >= tilemap.MinGridY && gridY <= tilemap.MaxGridY
)
{
bool[] filledPoints = new bool[tilemap.GridWidth * tilemap.GridHeight];
LinkedList <Point> check = new LinkedList <Point>();
uint floodFrom = tilemap.GetTileData(gridX, gridY);
outFilledPoints.Add(Vector2.Scale(new Vector2(gridX, gridY), tilemap.CellSize));
filledPoints[(gridY - tilemap.MinGridY) * tilemap.GridWidth + gridX - tilemap.MinGridX] = true;
bool isBrush = Tileset.GetBrushIdFromTileData(floodFrom) != 0;
if (
isBrush ?
Tileset.GetBrushIdFromTileData(floodFrom) != Tileset.GetBrushIdFromTileData(tileData)
:
floodFrom != tileData
)
{
check.AddLast(new Point(gridX, gridY));
while (check.Count > 0)
{
Point cur = check.First.Value;
check.RemoveFirst();
foreach (Point off in new Point[] {
new Point(0, -1), new Point(0, 1),
new Point(-1, 0), new Point(1, 0)
})
{
Point next = new Point(cur.X + off.X, cur.Y + off.Y);
if (
next.X >= tilemap.MinGridX && next.X <= tilemap.MaxGridX &&
next.Y >= tilemap.MinGridY && next.Y <= tilemap.MaxGridY
)
{
if (filledPoints[(next.Y - tilemap.MinGridY) * tilemap.GridWidth + next.X - tilemap.MinGridX])
{
continue; // skip already filled points
}
uint nextTileData = tilemap.GetTileData(next.X, next.Y);
if (
isBrush ?
Tileset.GetBrushIdFromTileData(floodFrom) == Tileset.GetBrushIdFromTileData(nextTileData)
:
floodFrom == nextTileData
)
{
check.AddLast(next);
filledPoints[(next.Y - tilemap.MinGridY) * tilemap.GridWidth + next.X - tilemap.MinGridX] = true;
outFilledPoints.Add(Vector2.Scale(new Vector2(next.X, next.Y), tilemap.CellSize));
if (outFilledPoints.Count >= maxPoints)
{
return;
}
}
}
}
}
}
}
}