public void DrawGhost(IntVec3 origin)
{
IntVec3 cell = origin + Position;
if (_thingDef != null)
{
// normal thingdef graphic
if (_thingDef.graphicData.linkFlags == LinkFlags.None)
{
GhostDrawer.DrawGhostThing(cell, _rotation, _thingDef, null, Resources.ghostColor(CanPlace(origin)), AltitudeLayer.Blueprint);
}
// linked thingdef graphic
else
{
Material material;
Color color = Resources.ghostColor(CanPlace(origin));
int hash = color.GetHashCode() * _rotation.GetHashCode();
if (!_cachedMaterials.TryGetValue(hash, out material))
{
// get a colored version (ripped from GhostDrawer.DrawGhostThing)
Graphic_Linked graphic = (Graphic_Linked)_thingDef.graphic.GetColoredVersion(ShaderDatabase.Transparent,
color,
Color.white);
// atlas contains all possible link graphics
Material atlas = graphic.MatSingle;
// loop over cardinal directions, and set the correct bits (e.g. 1, 2, 4, 8).
int linkInt = 0;
int dirInt = 1;
for (int i = 0; i < 4; i++)
{
if (blueprint.ShouldLinkWith(Position + GenAdj.CardinalDirections[i], _thingDef))
{
linkInt += dirInt;
}
dirInt *= 2;
}
// translate int to bitmask (flags)
LinkDirections linkSet = (LinkDirections)linkInt;
// get and cache the final material
material = MaterialAtlasPool.SubMaterialFromAtlas(atlas, linkSet);
_cachedMaterials.Add(hash, material);
}
// draw the thing.
Vector3 position = (cell).ToVector3ShiftedWithAltitude(AltitudeLayer.MetaOverlays);
Graphics.DrawMesh(MeshPool.plane10, position, Quaternion.identity, material, 0);
}
}
else
{
Vector3 position = (cell).ToVector3ShiftedWithAltitude(AltitudeLayer.MetaOverlays);
Graphics.DrawMesh(MeshPool.plane10, position, Quaternion.identity, Resources.ghostFloorMaterial(CanPlace(origin)), 0);
}
}