private void Awake()
{
if (indices.Count == 0)
{
indices.Add("Center", 0);
indices.Add("Left", 1);
indices.Add("Top", 2);
indices.Add("Right", 3);
indices.Add("Bottom", 4);
indices.Add("BL", 5);
indices.Add("TL", 6);
indices.Add("TR", 7);
indices.Add("BR", 8);
}
ShaderControl.Init();
ShaderControl.UpdateFiller(Filler);
ShaderControl.UpdateRegion(0, GetSprite(SpriteName, "Full"));
ShaderControl.Apply();
}
public override void RefreshTexture()
{
// Updates shader properties to match surroundings.
Tile leftT = GetTileRelative(-1, 0);
bool left = ConnectsTo(leftT);
Tile rightT = GetTileRelative(1, 0);
bool right = ConnectsTo(rightT);
Tile belowT = GetTileRelative(0, -1);
bool below = ConnectsTo(belowT);
Tile aboveT = GetTileRelative(0, 1);
bool above = ConnectsTo(aboveT);
bool topLeft = ConnectsTo(GetTileRelative(-1, 1));
bool topRight = ConnectsTo(GetTileRelative(1, 1));
bool bottomLeft = ConnectsTo(GetTileRelative(-1, -1));
bool bottomRight = ConnectsTo(GetTileRelative(1, -1));
if (Slanted && !CanBeSlanted())
{
Slanted = false;
}
int cornerIndex = 0;
if (Slanted)
{
// Determine corner...
if (right && above)
{
cornerIndex = 0;
ShaderControl.UpdateRegion(0, GetSprite(SpriteName, "Corner_Bottom_Left"));
}
else if (right && below)
{
cornerIndex = 1;
ShaderControl.UpdateRegion(0, GetSprite(SpriteName, "Corner_Top_Left"));
}
else if (left && below)
{
cornerIndex = 2;
ShaderControl.UpdateRegion(0, GetSprite(SpriteName, "Corner_Top_Right"));
}
else if (left && above)
{
cornerIndex = 3;
ShaderControl.UpdateRegion(0, GetSprite(SpriteName, "Corner_Bottom_Right"));
}
else
{
// Something went wrong, the slanted flag should not be true.
Debug.LogWarning("ConnectedTile is flagged as Slanted, but it is not on a corner!");
ShaderControl.UpdateRegion(0, GetSprite(SpriteName, "Full"));
}
}
else
{
ShaderControl.UpdateRegion(0, GetSprite(SpriteName, "Full"));
}
if (!Slanted)
{
SetTexturePart("Top", above ? null : GetSprite(SpriteName, "Top"));
SetTexturePart("Bottom", below ? null : GetSprite(SpriteName, "Bottom"));
SetTexturePart("Left", left ? null : GetSprite(SpriteName, "Left"));
SetTexturePart("Right", right ? null : GetSprite(SpriteName, "Right"));
}
else
{
SetTexturePart("Top", null);
SetTexturePart("Bottom", null);
SetTexturePart("Left", null);
SetTexturePart("Right", null);
}
if (!Slanted || (Slanted && cornerIndex != 1))
{
SetTexturePart("TL", (!left && !above) ? GetSprite(SpriteName, "Top_Left") : null);
}
else
{
SetTexturePart("TL", null);
}
if (!Slanted || (Slanted && cornerIndex != 2))
{
SetTexturePart("TR", (!right && !above) ? GetSprite(SpriteName, "Top_Right") : null);
}
else
{
SetTexturePart("TR", null);
}
if (!Slanted || (Slanted && cornerIndex != 0))
{
SetTexturePart("BL", (!left && !below) ? GetSprite(SpriteName, "Bottom_Left") : null);
}
else
{
SetTexturePart("BL", null);
}
if (!Slanted || (Slanted && cornerIndex != 3))
{
SetTexturePart("BR", (!right && !below) ? GetSprite(SpriteName, "Bottom_Right") : null);
}
else
{
SetTexturePart("BR", null);
}
if (left && above && !topLeft)
{
var cta = leftT as ConnectedTile;
var ctb = aboveT as ConnectedTile;
bool slanted = (cta == null ? false: cta.Slanted) || (ctb == null ? false : ctb.Slanted);
SetTexturePart("TL", slanted ? GetSprite(SpriteName, "Top_Left_IC") : GetSprite(SpriteName, "Top_Left_I"));
}
if (right && above && !topRight)
{
var cta = rightT as ConnectedTile;
var ctb = aboveT as ConnectedTile;
bool slanted = (cta == null ? false : cta.Slanted) || (ctb == null ? false : ctb.Slanted);
SetTexturePart("TR", slanted ? GetSprite(SpriteName, "Top_Right_IC") : GetSprite(SpriteName, "Top_Right_I"));
}
if (left && below && !bottomLeft)
{
var cta = leftT as ConnectedTile;
var ctb = belowT as ConnectedTile;
bool slanted = (cta == null ? false : cta.Slanted) || (ctb == null ? false : ctb.Slanted);
SetTexturePart("BL", slanted ? GetSprite(SpriteName, "Bottom_Left_IC") : GetSprite(SpriteName, "Bottom_Left_I"));
}
if (right && below && !bottomRight)
{
var cta = rightT as ConnectedTile;
var ctb = belowT as ConnectedTile;
bool slanted = (cta == null ? false : cta.Slanted) || (ctb == null ? false : ctb.Slanted);
SetTexturePart("BR", slanted ? GetSprite(SpriteName, "Bottom_Right_IC") : GetSprite(SpriteName, "Bottom_Right_I"));
}
ShaderControl.Apply();
}
private void SetTexturePart(string part, Sprite spr)
{
byte index = indices[part];
ShaderControl.UpdateRegion(index, spr);
}