virtual public void Update()
{
if (_clipNode != null && !_skipZero)
{
// get position of _clipNode relative to this
Vector2 relPos = StageToLocal(_clipNode.GetPosition());
float xMin = relPos.x - _clipWidth / 2 - _tileWidth * 0.75f;
float yMin = relPos.y - _clipHeight / 2 - _tileHeight * 0.75f;
// check if the _clipNode has moved enough to check tile positions
if (Mathf.Round(xMin / _tileWidth) == _clipPos.x && Mathf.Round(yMin / _tileHeight) == _clipPos.y)
{
return;
}
_clipPos = new Vector2(Mathf.Round(xMin / _tileWidth), Mathf.Round(yMin / _tileHeight));
float tileOffsetX = (Mathf.Floor(_clipWidth / _tileWidth) + 2) * _tileWidth;
float tileOffsetY = (Mathf.Floor(_clipHeight / _tileHeight) + 2) * _tileHeight;
float xMax = xMin + tileOffsetX;
float yMax = yMin + tileOffsetY;
foreach (FSprite tile in _tiles)
{
bool tileChangedX = false;
bool tileChangedY = false;
while (tile.x < xMin)
{
tile.x += tileOffsetX;
tileChangedX = true;
}
if (!tileChangedX)
{
while (tile.x > xMax)
{
tile.x -= tileOffsetX;
tileChangedX = true;
}
}
while (tile.y < yMin)
{
tile.y += tileOffsetY;
tileChangedY = true;
}
if (!tileChangedY)
{
while (tile.y > yMax)
{
tile.y -= tileOffsetY;
tileChangedY = true;
}
}
if (tileChangedX || tileChangedY)
{
int tileX = Mathf.FloorToInt((tile.x - _tileWidth / 2) / _tileWidth);
int tileY = Mathf.FloorToInt((-tile.y - _tileHeight / 2) / _tileHeight);
if (repeatX)
{
while (tileX < 0)
{
tileX += _tilesWide;
}
while (tileX >= _tilesWide)
{
tileX -= _tilesWide;
}
}
else if (tileX < 0 || tileX >= _tilesWide)
{ // display empty tile, outside of known data
tileX = -1;
tileY = -1;
}
if (repeatY)
{
while (tileY < 0)
{
tileY += _tilesHigh;
}
while (tileY >= _tilesHigh)
{
tileY -= _tilesHigh;
}
}
else if (tileY < 0 || tileY >= _tilesHigh)
{ // display empty tile, outside of known data
tileX = -1;
tileY = -1;
}
int frame = tileX + tileY * _tilesWide;
if (frame >= 0 && frame < _tileArray.GetLength(0))
{
uint frameNum = _tileArray[frame];
bool flipped_horizontally = FTmxMap.FlippedHorizontally(frameNum);
bool flipped_vertically = FTmxMap.FlippedVertically(frameNum);
bool flipped_diagonally = FTmxMap.FlippedDiagonally(frameNum);
tile.element = Futile.atlasManager.GetElementWithName(_baseName + "_" + FTmxMap.RemoveFrameFlags(frameNum));
tile.rotation = flipped_diagonally ? -90 : 0;
if (flipped_diagonally)
{
tile.scaleY = flipped_vertically ? 1 : -1;
tile.scaleX = flipped_horizontally ? -1 : 1;
if (!(flipped_horizontally || flipped_vertically))
{
tile.scaleX = -1;
tile.scaleY = 1;
tile.rotation = -90;
}
else if (flipped_vertically && flipped_horizontally)
{
tile.scaleX = 1;
tile.scaleY = -1;
}
}
else
{
tile.scaleY = flipped_vertically ? -1 : 1;
tile.scaleX = flipped_horizontally ? -1 : 1;
}
tile.isVisible = true;
}
else
{
tile.isVisible = false;
}
}
}
}
}
protected void buildTiles()
{
// clear pos so next update fixes tiles
_clipPos = Vector2.zero;
// figure out needed size
int clipTilesWide = Mathf.CeilToInt(_clipWidth / _tileWidth) + 2;
if (_tilesWide < clipTilesWide || _clipWidth == 0 || _skipZero)
{
clipTilesWide = _tilesWide;
}
int clipTilesHigh = Mathf.CeilToInt(_clipHeight / _tileHeight) + 2;
if (_tilesHigh < clipTilesHigh || _clipHeight == 0 || _skipZero)
{
clipTilesHigh = _tilesHigh;
}
// update count of tiles
if (!_skipZero)
{
int totalNeeded = clipTilesWide * clipTilesHigh;
// make sure we have the right amount of tiles for the current clip size
if (_tiles.Count <= 0)
{
for (int i = 0; i < totalNeeded; i++)
{
FSprite sprite = new FSprite(_baseName + "_1"); // set to 1
sprite.shader = _shader;
// add to this collection
_tiles.Add(sprite);
AddChild(sprite);
}
}
else if (_tiles.Count < totalNeeded)
{
int start = _tiles.Count;
for (int i = start; i < totalNeeded; i++)
{
FSprite sprite = new FSprite(_baseName + "_1");
sprite.shader = _shader;
// add to this collection
_tiles.Add(sprite);
AddChild(sprite);
}
}
else if (_tiles.Count > totalNeeded)
{
int removeThisMany = _tiles.Count - totalNeeded;
for (int i = 0; i < removeThisMany; i++)
{
// remove from the beginning of array
RemoveChild(_tiles[0]);
_tiles.RemoveAt(0);
}
}
}
// set clipWidth to the whole size if it doesn't exist
if (_clipWidth == 0)
{
_clipWidth = _tilesWide * _tileWidth;
}
if (_clipHeight == 0)
{
_clipHeight = _tilesHigh * _tileHeight;
}
// make array of sprites
for (int i = 0; i < clipTilesWide; i++)
{
for (int j = 0; j < clipTilesHigh; j++)
{
uint frameWithFlag = _tileArray[i + (j * _tilesWide)];
bool flipped_horizontally = FTmxMap.FlippedHorizontally(frameWithFlag);
bool flipped_vertically = FTmxMap.FlippedVertically(frameWithFlag);
bool flipped_diagonally = FTmxMap.FlippedDiagonally(frameWithFlag);
int frame = FTmxMap.RemoveFrameFlags(frameWithFlag);
if (!_skipZero || frame > 0)
{
FSprite sprite;
if (_skipZero)
{
sprite = new FSprite(_baseName + "_" + frame);
sprite.shader = _shader;
AddChild(sprite);
}
else
{
sprite = _tiles[i + (j * clipTilesWide)];
sprite.element = Futile.atlasManager.GetElementWithName(_baseName + "_" + frame);
}
sprite.rotation = flipped_diagonally ? -90 : 0;
if (flipped_diagonally)
{
sprite.scaleY = flipped_vertically ? 1 : -1;
sprite.scaleX = flipped_horizontally ? -1 : 1;
if (!(flipped_horizontally || flipped_vertically))
{
sprite.scaleX = -1;
sprite.scaleY = 1;
sprite.rotation = -90;
}
else if (flipped_horizontally && flipped_vertically)
{
sprite.scaleX = 1;
sprite.scaleY = -1;
}
}
else
{
sprite.scaleY = flipped_vertically ? -1 : 1;
sprite.scaleX = flipped_horizontally ? -1 : 1;
}
// offset sprite coordinates
sprite.x = i * _tileWidth + _tileWidth / 2;
sprite.y = -j * _tileHeight - _tileHeight / 2;
if (frame == 0)
{
sprite.isVisible = false;
}
else
{
sprite.isVisible = true;
}
}
}
}
}