public static Sprite DrawSpriteBorders(Sprite spr, int z, InmediateWallNeighbors neighbors, bool isCropped)
{
Texture2D tex = new Texture2D(spr.texture.width, spr.texture.height, spr.texture.format, Settings.mipmapEnabled)
{
filterMode = Settings.filterMode,
wrapMode = Settings.wrapMode
};
Graphics.CopyTexture(spr.texture, tex);
if (Settings.DRAW_WALL_BORDERS)
{
DrawBorders(tex, z, neighbors);
}
else
{
CutCorners(tex, z, neighbors);
}
if (isCropped)
{
Crop(tex, cropLength, z);
}
tex.Apply();
Sprite end = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), Settings.wallPivot, Settings.PPU);
return(end);
}
private static void CutCorners(Texture2D tex, int z, InmediateWallNeighbors neighbors)
{
// Delete border color pixel
tex.SetPixel(0, 0, Color.clear);
if (z == 1)
{
FlipTex(tex);
neighbors.FlipSideNeighbors();
}
if (!neighbors.TopLeft.IsEmpty())
{
DrawIsoLine(tex, Color.clear, BackTop, new Vector2Int(BackTop.x - 1, BackTop.y));
if (neighbors.Top.IsEmpty() && neighbors.TopRight.IsEmpty())
{
Color topColor = tex.GetPixel(RightTop.x - 2, RightTop.y - 1);
DrawIsoLine(tex, topColor, new Vector2Int(RightTop.x, RightTop.y + 1), new Vector2Int(RightTop.x - 1, RightTop.y + 1));
}
}
if (!neighbors.TopRight.IsEmpty())
{
DrawVerticalLine(tex, Color.clear, RightTop, RightBottom);
DrawVerticalLine(tex, Color.clear, new Vector2Int(RightTop.x - 1, RightTop.y), new Vector2Int(RightBottom.x - 1, RightBottom.y));
DrawVerticalLine(tex, Color.clear, new Vector2Int(RightTop.x - 2, RightTop.y + 1), new Vector2Int(RightBottom.x - 2, RightBottom.y - 1));
Color topColor = tex.GetPixel(RightTop.x - 3, RightTop.y + 1);
DrawVerticalLine(tex, topColor, new Vector2Int(RightTop.x - 3, RightTop.y + 2), new Vector2Int(RightTop.x - 3, RightTop.y + 2));
}
if (!neighbors.BottomLeft.IsEmpty())
{
DrawVerticalLine(tex, Color.clear, LeftTop, LeftBottom);
DrawVerticalLine(tex, Color.clear, new Vector2Int(LeftTop.x + 1, LeftTop.y), new Vector2Int(LeftBottom.x + 1, LeftBottom.y));
DrawVerticalLine(tex, Color.clear, new Vector2Int(LeftTop.x + 2, LeftTop.y + 1), new Vector2Int(LeftBottom.x + 2, LeftBottom.y - 1));
Color topColor = tex.GetPixel(LeftTop.x + 4, LeftTop.y - 2);
DrawIsoLine(tex, topColor, new Vector2Int(LeftTop.x + 3, LeftTop.y - 2), new Vector2Int(LeftTop.x + 3, LeftTop.y - 2));
for (int yi = LeftBottom.y - 3; yi <= LeftTop.y - 3; yi++)
{
DrawIsoLine(tex, tex.GetPixel(LeftTop.x + 4, yi), new Vector2Int(LeftTop.x + 3, yi), new Vector2Int(LeftTop.x + 3, yi));
}
}
if (z == 1)
{
FlipTex(tex);
neighbors.FlipSideNeighbors();
}
}
private static void DrawBorders(Texture2D tex, int z, InmediateWallNeighbors neighbors)
{
Color borderColor = tex.GetPixel(0, 0);
tex.SetPixel(0, 0, Color.clear);
if (z == 1)
{
FlipTex(tex);
neighbors.FlipSideNeighbors();
}
DrawIsoLine(tex, borderColor, FrontBottom, RightBottom);
DrawIsoLine(tex, borderColor, FrontTop, RightTop);
DrawIsoLine(tex, borderColor, new Vector2Int(LeftTop.x + 2, LeftTop.y + 1), new Vector2Int(BackTop.x - 2, BackTop.y - 1));
if (neighbors.Bottom.IsEmpty())
{
if (neighbors.BottomLeft.IsEmpty())
{
DrawVerticalLine(tex, borderColor, LeftBottom, LeftTop);
DrawVerticalLine(tex, borderColor, FrontBottom, FrontTop);
if (neighbors.BottomRight.IsEmpty())
{
DrawIsoLine(tex, borderColor, new Vector2Int(FrontTop.x + 1, FrontTop.y), LeftTop);
DrawIsoLine(tex, borderColor, new Vector2Int(FrontBottom.x + 1, FrontBottom.y), LeftBottom);
}
}
}
if (neighbors.BottomLeft.IsEmpty() && neighbors.BottomRight.IsEmpty() == false)
{
DrawIsoLine(tex, borderColor, LeftTop, new Vector2Int(LeftTop.x + 1, LeftTop.y));
}
if (neighbors.Top.IsEmpty())
{
DrawVerticalLine(tex, borderColor, RightBottom, RightTop);
}
if (neighbors.TopLeft.IsEmpty())
{
DrawIsoLine(tex, borderColor, BackTop, new Vector2Int(BackTop.x - 1, BackTop.y));
}
else
{
DrawIsoLine(tex, Color.clear, new Vector2Int(BackTop.x - 1, BackTop.y), BackTop);
}
if (neighbors.Top.IsEmpty() && neighbors.TopLeft.IsEmpty() && neighbors.TopRight.IsEmpty())
{
DrawIsoLine(tex, borderColor, new Vector2Int(BackTop.x + 1, BackTop.y - 1), new Vector2Int(BackTop.x + 2, BackTop.y - 1));
}
if (neighbors.TopRight.IsEmpty() == false && z == 0)
{
DrawVerticalLine(tex, Color.clear, new Vector2Int(tex.width - 1, 0), new Vector2Int(tex.width - 1, tex.height));
DrawVerticalLine(tex, Color.clear, new Vector2Int(tex.width - 2, 0), new Vector2Int(tex.width - 2, tex.height));
DrawVerticalLine(tex, Color.clear, new Vector2Int(tex.width - 3, 0), new Vector2Int(tex.width - 3, tex.height));
DrawVerticalLine(tex, borderColor, new Vector2Int(RightTop.x - 3, RightTop.y - 2), new Vector2Int(RightBottom.x - 3, RightBottom.y));
if (neighbors.Top.IsEmpty() && neighbors.TopLeft.IsEmpty())
{
DrawIsoLine(tex, borderColor, new Vector2Int(BackTop.x + 1, BackTop.y), new Vector2Int(BackTop.x + 2, BackTop.y));
}
}
if (neighbors.TopLeft.IsEmpty() == false && neighbors.Top.IsEmpty() && neighbors.TopRight.IsEmpty())
{
tex.SetPixel(RightTop.x - 1, RightTop.y + 1, tex.GetPixel(RightTop.x - 2, RightTop.y + 1));
}
if (neighbors.BottomLeft.IsEmpty() == false)
{
DrawVerticalLine(tex, Color.clear, new Vector2Int(0, 0), new Vector2Int(0, tex.height));
DrawVerticalLine(tex, Color.clear, new Vector2Int(1, 0), new Vector2Int(1, tex.height));
DrawVerticalLine(tex, Color.clear, new Vector2Int(2, 0), new Vector2Int(2, tex.height));
if (neighbors.Bottom.IsEmpty() && neighbors.BottomRight.IsEmpty())
{
int x = FrontTop.x - 1;
tex.SetPixel(x, FrontTop.y, tex.GetPixel(x, FrontTop.y + 1));
if (z == 0)
{
DrawVerticalLine(tex, borderColor, new Vector2Int(x, FrontTop.y - 1), new Vector2Int(x, FrontBottom.y));
}
else
{
for (int y = FrontBottom.y + 1; y < FrontTop.y; y++)
{
tex.SetPixel(x, y, tex.GetPixel(x + 1, y + 1));
}
tex.SetPixel(x, FrontBottom.y, borderColor);
}
}
}
if (z == 1)
{
FlipTex(tex);
neighbors.FlipSideNeighbors();
}
}