protected static bool IsHorizontalEdge(TileGridBlock block, ref int x, ref int y)
{
return(y <= 0 ||
y >= block.BlockSize - 1 ||
block.GetCell(x, y - 1).IsEmpty ||
block.GetCell(x, y + 1).IsEmpty);
}
protected virtual void AggregateTiles(TileGridBlock block, ITileDefinitionSource tileDefinitionSource, GraphicsContext graphicsContext, ref Vector2 cellSize)
{
var blockSize = block.BlockSize;
RectangleF outRect = new RectangleF();
outRect.X = block.Origin.X;
outRect.Y = block.Origin.Y;
outRect.Width = cellSize.X;
outRect.Height = cellSize.Y;
for (int y = 0; y < blockSize; y++)
{
for (int x = 0; x < blockSize; x++)
{
var tileRef = block.GetCell(x, y);
if (!tileRef.IsEmpty)
{
var tile = tileDefinitionSource.GetTile(ref tileRef);
if (tile != null && tile.CanCacheTileMesh)
{
var frame = tile[0];
Add(frame.Texture, ref frame.TextureRegion, ref outRect);
}
}
outRect.X += cellSize.X;
}
outRect.X = block.Origin.X;
outRect.Y -= cellSize.Y;
}
}
protected static bool IsVerticalEdge(TileGridBlock block, ref int x, ref int y)
{
return(x <= 0 ||
x >= block.BlockSize - 1 ||
block.GetCell(x - 1, y).IsEmpty ||
block.GetCell(x + 1, y).IsEmpty);
}
public virtual TileMeshDraw Build(TileGridBlock block, ITileDefinitionSource tileDefinitionSource, GraphicsContext graphicsContext, ref Vector2 cellSize)
{
TileMeshDraw tileMeshDraw = null;
AggregateTiles(block, tileDefinitionSource, graphicsContext, ref cellSize);
CompleteBuild(graphicsContext, block.BlockSize * block.BlockSize, ref tileMeshDraw);
return(tileMeshDraw);
}
protected static bool IsEdge(TileGridBlock block, ref int x, ref int y)
{
var maxIndex = block.BlockSize - 1;
return(x <= 0 ||
x >= maxIndex ||
y <= 0 ||
y >= maxIndex ||
block.GetCell(x - 1, y).IsEmpty ||
block.GetCell(x + 1, y).IsEmpty ||
block.GetCell(x, y - 1).IsEmpty ||
block.GetCell(x, y + 1).IsEmpty);
}
protected override void Update(PhysicsShapeBuilderContext context, TileGridBlock block)
{
Rectangle cellSelection = new Rectangle(0, 0, 1, 1);
for (int y = 0; y < block.BlockSize; y++)
{
for (int x = 0; x < block.BlockSize; x++)
{
var tile = block.GetCell(x, y);
if (!tile.IsEmpty)
{
context.AddColliderShape(context.ColliderShapeProvider.CalculateColliderShape(ref cellSelection, block));
}
cellSelection.X += 1;
}
cellSelection.Y += 1;
cellSelection.X = 0;
}
}
protected override void Update(PhysicsShapeBuilderContext context, TileGridBlock block)
{
throw new NotImplementedException();
//Rectangle cellSelection = new Rectangle(0, 0, 1, 1);
//int left = 0;
//Rectangle adjacent = default(Rectangle);
//bool hasAdjacent = false;
//for (int y = 0; y < block.BlockSize; y++)
//{
// for (int x = 0; x < block.BlockSize; x++)
// {
// var tile = block.GetCell(x, y);
// if (!tile.IsEmpty)
// {
// if (IsLeftEdge(block, ref x, ref y))
// {
// cellSelection.X = left = x;
// cellSelection.Width = 1;
// if (hasAdjacent = previousBounds.TryGetValue(x, out adjacent))
// previousBounds.Remove(x);
// }
// if (IsRightEdge(block, ref x, ref y))
// {
// if (hasAdjacent)
// {
// if (adjacent.Width == cellSelection.Width)
// {
// adjacent.Height += 1;
// currentBounds[left] = adjacent;
// }
// else
// {
// context.AddColliderShape(context.ColliderShapeProvider.CalculateColliderShape(ref adjacent, block));
// currentBounds[left] = cellSelection;
// }
// hasAdjacent = false;
// }
// else
// {
// currentBounds[left] = cellSelection;
// }
// }
// else
// {
// cellSelection.Width += 1;
// }
// }
// }
// cellSelection.Y += 1;
// cellSelection.X = left = 0;
// cellSelection.Width = 1;
// foreach (var item in previousBounds.Values)
// {
// var leftOver = item;
// context.AddColliderShape(context.ColliderShapeProvider.CalculateColliderShape(ref leftOver, block));
// }
// Utilities.Swap(ref previousBounds, ref currentBounds);
// currentBounds.Clear();
//}
//foreach (var item in previousBounds.Values)
//{
// var leftOver = item;
// context.AddColliderShape(context.ColliderShapeProvider.CalculateColliderShape(ref leftOver, block));
//}
//previousBounds.Clear();
}
protected override void Update(PhysicsShapeBuilderContext context, TileGridBlock block)
{
Rectangle cellSelection = new Rectangle(0, 0, 1, 1);
int left = 0;
Rectangle adjacent = default(Rectangle);
bool hasAdjacent = false;
for (int y = 0; y < block.BlockSize; y++)
{
for (int x = 0; x < block.BlockSize; x++)
{
var tile = block.GetCell(x, y);
if (!tile.IsEmpty)
{
if (IsLeftEdge(block, ref x, ref y))
{
cellSelection.X = left = x;
cellSelection.Width = 1;
if (hasAdjacent = previousBounds.TryGetValue(x, out adjacent))
{
previousBounds.Remove(x);
}
}
if (IsRightEdge(block, ref x, ref y))
{
if (hasAdjacent)
{
if (adjacent.Width == cellSelection.Width)
{
adjacent.Height += 1;
currentBounds[left] = adjacent;
}
else
{
context.AddColliderShape(context.ColliderShapeProvider.CalculateColliderShape(ref adjacent, block));
currentBounds[left] = cellSelection;
}
hasAdjacent = false;
}
else
{
currentBounds[left] = cellSelection;
}
}
else
{
cellSelection.Width += 1;
}
}
}
cellSelection.Y += 1;
cellSelection.X = left = 0;
cellSelection.Width = 1;
foreach (var item in previousBounds.Values)
{
var leftOver = item;
context.AddColliderShape(context.ColliderShapeProvider.CalculateColliderShape(ref leftOver, block));
}
Utilities.Swap(ref previousBounds, ref currentBounds);
currentBounds.Clear();
}
foreach (var item in previousBounds.Values)
{
var leftOver = item;
context.AddColliderShape(context.ColliderShapeProvider.CalculateColliderShape(ref leftOver, block));
}
previousBounds.Clear();
}
protected static bool IsBottomEdge(TileGridBlock block, ref int x, ref int y)
{
return(y >= block.BlockSize - 1 ||
block.GetCell(x, y + 1).IsEmpty);
}
protected static bool IsTopEdge(TileGridBlock block, ref int x, ref int y)
{
return(y <= 0 ||
block.GetCell(x, y - 1).IsEmpty);
}
protected static bool IsRightEdge(TileGridBlock block, ref int x, ref int y)
{
return(x >= block.BlockSize - 1 ||
block.GetCell(x + 1, y).IsEmpty);
}
protected static bool IsLeftEdge(TileGridBlock block, ref int x, ref int y)
{
return(x <= 0 ||
block.GetCell(x - 1, y).IsEmpty);
}
protected abstract void Update(PhysicsShapeBuilderContext context, TileGridBlock block);
public virtual void Recycle(TileMeshDraw tileMeshDraw, TileGridBlock block, ITileDefinitionSource tileDefinitionSource, GraphicsContext graphicsContext, ref Vector2 cellSize)
{
AggregateTiles(block, tileDefinitionSource, graphicsContext, ref cellSize);
CompleteBuild(graphicsContext, block.BlockSize * block.BlockSize, ref tileMeshDraw);
}
