void ClearRenderers()
{
upRenderer = null;
downRenderer = null;
leftRenderer = null;
rightRenderer = null;
}
void ApplyRenderers()
{
if (upRenderer != null)
{
upRenderer.mesh.ApplyUV();
upRenderer = null;
}
if (downRenderer != null)
{
downRenderer.mesh.ApplyUV();
downRenderer = null;
}
if (leftRenderer != null)
{
leftRenderer.mesh.ApplyUV();
leftRenderer = null;
}
if (rightRenderer != null)
{
rightRenderer.mesh.ApplyUV();
rightRenderer = null;
}
}
void RenderRightTriangle(PositionRegionRenderer renderer, int relX, int relY, int width, int actualSize, Sprite sprite)
{
if (relX + width > Grid.REGION_SIZE)
{
int count = 0;
for (int i = relX; i < Grid.REGION_SIZE; i++, count++)
{
renderer.mesh.SetPartialHorizontalTile(i, relY, sprite, count % actualSize);
}
if (rightRenderer == null)
{
rightRenderer = GetRegionRenderer(renderer.regionX + 1, renderer.regionY);
rightRenderer.mesh.PrepareUV();
}
for (int i = 0; i < relX + width - Grid.REGION_SIZE; i++, count++)
{
rightRenderer.mesh.SetPartialHorizontalTile(i, relY, sprite, count % actualSize);
}
}
else
{
for (int i = 0; i < width; i++)
{
renderer.mesh.SetPartialHorizontalTile(relX + i, relY, sprite, i % actualSize);
}
}
}
void RenderDownTriangle(PositionRegionRenderer renderer, int relX, int relY, int height, int actualSize, Sprite sprite)
{
if (relY < 0)
{
int count = 0;
if (downRenderer == null)
{
downRenderer = GetRegionRenderer(renderer.regionX, renderer.regionY - 1);
downRenderer.mesh.PrepareUV();
}
for (int i = relY + Grid.REGION_SIZE; i < Grid.REGION_SIZE; i++, count++)
{
downRenderer.mesh.SetPartialVerticalTile(relX, i, sprite, count % actualSize);
}
for (int i = 0; i < relY + height; i++, count++)
{
renderer.mesh.SetPartialVerticalTile(relX, i, sprite, count % actualSize);
}
}
else
{
for (int i = 0; i < height; i++)
{
renderer.mesh.SetPartialVerticalTile(relX, relY + i, sprite, i % actualSize);
}
}
}
public override void OnShowRegion(int regionX, int regionY)
{
FiniteGrid region = grid.GetRegion(regionX, regionY);
FiniteComponentGrid regionTriangle = triangles.GetRegion(regionX, regionY);
PositionRegionRenderer renderer = GetRegionRenderer(regionX, regionY);
ClearRenderers();
renderer.mesh.PrepareUV();
int bx = regionX * Grid.REGION_SIZE;
int by = regionY * Grid.REGION_SIZE;
for (int i = 0; i < Grid.REGION_SIZE; i++)
{
for (int j = 0; j < Grid.REGION_SIZE; j++)
{
Tile tile = region.Get(i, j);
if (tile != null && tile.id != 0)
{
if (regionTriangle == null)
{
_OnSet(null, renderer, i + bx, j + by, tile);
}
else
{
_OnSet(regionTriangle.Get(i, j) as GridTriangle, renderer, i + bx, j + by, tile);
}
}
}
}
renderer.mesh.ApplyUV();
ApplyRenderers();
}
void _OnSet(GridTriangle triangle, PositionRegionRenderer renderer, int x, int y, Tile tile)
{
TileInfo info = grid.atlas [tile.id];
Clear(triangle, renderer, x, y);
switch (info.shape)
{
case TileShape.UP_ONEWAY:
case TileShape.RIGHT_ONEWAY:
case TileShape.DOWN_ONEWAY:
case TileShape.LEFT_ONEWAY:
case TileShape.FULL: {
renderer.mesh.SetTile(x - renderer.regionX * Grid.REGION_SIZE, y - renderer.regionY * Grid.REGION_SIZE, info.GetSprite(tile.subId));
break;
}
case TileShape.DOWN_LEFT_TRIANGLE:
case TileShape.DOWN_RIGHT_TRIANGLE:
case TileShape.UP_LEFT_TRIANGLE:
case TileShape.UP_RIGHT_TRIANGLE: {
JoinTriangle(renderer, info, tile, x, y);
break;
}
}
}
PositionRegionRenderer GetRegionRenderer(int regionX, int regionY)
{
var rend = regionRenderers.Find(e => e.regionX == regionX && e.regionY == regionY);
if (rend == null)
{
RegionMeshRenderer regionRenderer = CreateRegionRenderer();
regionRenderer.transform.SetParent(containerGO.transform);
regionRenderer.transform.localPosition = new Vector2(regionX * Grid.REGION_SIZE, regionY * Grid.REGION_SIZE);
rend = new PositionRegionRenderer {
regionX = regionX,
regionY = regionY,
mesh = regionRenderer
};
regionRenderers.Add(rend);
return(rend);
}
else
{
return(rend);
}
}
public override void OnSet(int x, int y, int width, int height)
{
int minRegionX = Mathf.FloorToInt(x / (float)Grid.REGION_SIZE);
int minRegionY = Mathf.FloorToInt(y / (float)Grid.REGION_SIZE);
int maxRegionX = Mathf.FloorToInt((x + width) / (float)Grid.REGION_SIZE);
int maxRegionY = Mathf.FloorToInt((y + height) / (float)Grid.REGION_SIZE);
for (int regionX = minRegionX; regionX <= maxRegionX; regionX++)
{
for (int regionY = minRegionY; regionY <= maxRegionY; regionY++)
{
FiniteGrid region = grid.GetRegion(regionX, regionY);
if (region.presented)
{
PositionRegionRenderer renderer = GetRegionRenderer(regionX, regionY);
FiniteComponentGrid triangleRegion = triangles.GetRegion(regionX, regionY);
int startX = regionX * Grid.REGION_SIZE;
int startY = regionY * Grid.REGION_SIZE;
int minX = Mathf.Max(x, startX);
int minY = Mathf.Max(y, startY);
int maxX = Mathf.Min(x + width, (regionX + 1) * Grid.REGION_SIZE);
int maxY = Mathf.Min(y + height, (regionY + 1) * Grid.REGION_SIZE);
renderer.mesh.PrepareUV();
for (int i = minX; i < maxX; i++)
{
for (int j = minY; j < maxY; j++)
{
Tile tile = region.Get(i - startX, j - startY);
if (tile != null)
{
if (triangleRegion != null)
{
_OnSet(triangleRegion.Get(x - startX, y - startY) as GridTriangle, renderer, i, j, tile);
}
else
{
_OnSet(null, renderer, i, j, tile);
}
}
}
}
renderer.mesh.ApplyUV();
}
}
}
}
public override void OnSet(int x, int y, Tile tile)
{
PositionRegionRenderer renderer = GetContainingRegionRenderer(x, y);
GridTriangle triangle = triangles.Get(x, y) as GridTriangle;
ClearRenderers();
renderer.mesh.PrepareUV();
_OnSet(triangle, renderer, x, y, tile);
renderer.mesh.ApplyUV();
ApplyRenderers();
}
void JoinTriangle(PositionRegionRenderer currentRenderer, TileInfo info, Tile tile, int x, int y)
{
bool isExpanded = false;
int relX = x - currentRenderer.regionX * Grid.REGION_SIZE;
int relY = y - currentRenderer.regionY * Grid.REGION_SIZE;
if (info.isVertical)
{
GridTriangle down = triangles.Get(x, y - 1) as GridTriangle;
GridTriangle up = triangles.Get(x, y + 1) as GridTriangle;
if (down != null && down.id == tile.id && down.subId == tile.subId)
{
down.height++;
triangles.Set(x, y, down);
isExpanded = true;
}
if (up != null && up.id == tile.id && up.subId == tile.subId)
{
if (isExpanded)
{
down.height += up.height;
for (int i = y + 1; i <= y + up.height; i++)
{
triangles.Set(x, i, down);
}
}
else
{
up.height++;
up.bottomLeftY--;
triangles.Set(x, y, up);
isExpanded = true;
}
}
if (isExpanded)
{
if (down != null)
{
int actualSize;
Sprite sprite = info.GetSprite(out actualSize, down.subId, down.height);
int relBottomY = down.bottomLeftY - currentRenderer.regionY * Grid.REGION_SIZE;
if (relBottomY > Grid.REGION_SIZE / 2)
{
RenderUpTriangle(currentRenderer, relX, relBottomY, down.height, actualSize, sprite);
}
else
{
RenderDownTriangle(currentRenderer, relX, relBottomY, down.height, actualSize, sprite);
}
}
else if (up != null)
{
int actualSize;
Sprite sprite = info.GetSprite(out actualSize, up.subId, up.height);
int relBottomY = up.bottomLeftY - currentRenderer.regionY * Grid.REGION_SIZE;
if (relBottomY > Grid.REGION_SIZE / 2)
{
RenderUpTriangle(currentRenderer, relX, relBottomY, up.height, actualSize, sprite);
}
else
{
RenderDownTriangle(currentRenderer, relX, relBottomY, up.height, actualSize, sprite);
}
}
}
}
else
{
GridTriangle left = triangles.Get(x - 1, y) as GridTriangle;
GridTriangle right = triangles.Get(x + 1, y) as GridTriangle;
if (left != null && left.id == tile.id && left.subId == tile.subId)
{
left.width++;
triangles.Set(x, y, left);
isExpanded = true;
}
if (right != null && right.id == tile.id && right.subId == tile.subId)
{
if (isExpanded)
{
left.width += right.width;
for (int i = x + 1; i <= x + right.width; i++)
{
triangles.Set(i, y, left);
}
}
else
{
right.width++;
right.bottomLeftX--;
triangles.Set(x, y, right);
isExpanded = true;
}
}
if (isExpanded)
{
if (left != null)
{
int actualSize;
Sprite sprite = info.GetSprite(out actualSize, left.subId, left.width);
int relBottomX = left.bottomLeftX - currentRenderer.regionX * Grid.REGION_SIZE;
if (relBottomX > Grid.REGION_SIZE / 2)
{
RenderRightTriangle(currentRenderer, relBottomX, relY, left.width, actualSize, sprite);
}
else
{
RenderLeftTriangle(currentRenderer, relBottomX, relY, left.width, actualSize, sprite);
}
}
else if (right != null)
{
int actualSize;
Sprite sprite = info.GetSprite(out actualSize, right.subId, right.width);
int relBottomX = right.bottomLeftX - currentRenderer.regionX * Grid.REGION_SIZE;
if (relBottomX > Grid.REGION_SIZE / 2)
{
RenderRightTriangle(currentRenderer, relBottomX, relY, right.width, actualSize, sprite);
}
else
{
RenderLeftTriangle(currentRenderer, relBottomX, relY, right.width, actualSize, sprite);
}
}
}
}
if (!isExpanded)
{
triangles.Set(x, y, GridTriangle.CreateTriangle(containerGO, grid, tile.id, tile.subId, info.isVertical, x, y, 1, 1));
currentRenderer.mesh.SetTile(relX, relY, info.GetSprite(tile.subId));
}
}
void Clear(GridTriangle triangle, PositionRegionRenderer currentRenderer, int x, int y)
{
int relX = x - currentRenderer.regionX * Grid.REGION_SIZE;
int relY = y - currentRenderer.regionY * Grid.REGION_SIZE;
if (triangle != null)
{
TileInfo info = grid.atlas [triangle.id];
int actualSize;
if (triangle.isVertical)
{
int bottomRelY = triangle.bottomLeftY - currentRenderer.regionY * Grid.REGION_SIZE;
if (y == triangle.bottomLeftY)
{
if (triangle.height == 1)
{
DestroyImmediate(triangle.gameObject);
}
else
{
triangle.height -= 1;
triangle.bottomLeftY += 1;
Sprite sprite = info.GetSprite(out actualSize, triangle.subId, triangle.height);
RenderUpTriangle(currentRenderer, relX, bottomRelY + 1, triangle.height, actualSize, sprite);
}
}
else if (y == triangle.bottomLeftY + triangle.height - 1)
{
triangle.height -= 1;
Sprite sprite = info.GetSprite(out actualSize, triangle.subId, triangle.height);
RenderDownTriangle(currentRenderer, relX, bottomRelY, triangle.height, actualSize, sprite);
}
else
{
GridTriangle other = GridTriangle.CreateTriangle(
containerGO,
grid,
triangle.id, triangle.subId, true,
triangle.bottomLeftX, y + 1,
1, triangle.height - (y + 1 - triangle.bottomLeftY)
);
triangle.height = y - triangle.bottomLeftY;
Sprite sprite = info.GetSprite(out actualSize, triangle.subId, triangle.height);
RenderDownTriangle(currentRenderer, relX, bottomRelY, triangle.height, actualSize, sprite);
sprite = info.GetSprite(out actualSize, other.subId, other.height);
bottomRelY = other.bottomLeftY - currentRenderer.regionY * Grid.REGION_SIZE;
for (int i = 0; i < other.height; i++)
{
triangles.Set(other.bottomLeftX, other.bottomLeftY + i, other);
}
RenderUpTriangle(currentRenderer, relX, bottomRelY, other.height, actualSize, sprite);
}
}
else
{
int bottomRelX = triangle.bottomLeftX - currentRenderer.regionX * Grid.REGION_SIZE;
if (x == triangle.bottomLeftX)
{
if (triangle.width == 1)
{
DestroyImmediate(triangle.gameObject);
}
else
{
triangle.width -= 1;
triangle.bottomLeftX += 1;
Sprite sprite = info.GetSprite(out actualSize, triangle.subId, triangle.width);
RenderRightTriangle(currentRenderer, bottomRelX + 1, relY, triangle.width, actualSize, sprite);
}
}
else if (x == triangle.bottomLeftX + triangle.width - 1)
{
triangle.width -= 1;
Sprite sprite = info.GetSprite(out actualSize, triangle.subId, triangle.width);
RenderLeftTriangle(currentRenderer, bottomRelX, relY, triangle.width, actualSize, sprite);
}
else
{
GridTriangle other = GridTriangle.CreateTriangle(
containerGO,
grid,
triangle.id, triangle.subId, false,
x + 1, triangle.bottomLeftY,
triangle.width - (x + 1 - triangle.bottomLeftX), 1
);
triangle.width = x - triangle.bottomLeftX;
Sprite sprite = info.GetSprite(out actualSize, triangle.subId, triangle.width);
RenderLeftTriangle(currentRenderer, bottomRelX, relY, triangle.width, actualSize, sprite);
sprite = info.GetSprite(out actualSize, other.subId, other.width);
bottomRelX = other.bottomLeftX - currentRenderer.regionX * Grid.REGION_SIZE;
for (int i = 0; i < other.width; i++)
{
triangles.Set(other.bottomLeftX + i, other.bottomLeftY, other);
}
RenderRightTriangle(currentRenderer, bottomRelX, relY, other.width, actualSize, sprite);
}
}
triangles.Set(x, y, null);
}
currentRenderer.mesh.Clear(relX, relY);
}