/// <summary>Get the height of the topmost ground at a given position. Used for generating navigation data. (Eventually replace with a multi-layer heightmap.)</summary>
public static int TopmostGroundHeight(ref CharacterPhysicsInfo info, WorldPhysics world, int x, int z, bool staticOnly = false)
{
int startX = x + info.startX;
int endX = x + info.endX;
// Hack: If we slip in just under the ceiling, we can get the result for the next-highest floor
// This is a hack because it depends on knowledge of what GetGroundHeightInXRange is doing
int minCeiling = WorldPhysics.MaximumHeight + info.height;
if (world.levelCeiling != null)
{
for (int xx = startX; xx < endX; xx++)
{
int c = world.levelCeiling[xx, z];
if (c == 0)
{
continue;
}
if (c < minCeiling)
{
minCeiling = c;
}
}
}
return(world.GetGroundHeightInXRange(startX, endX, z, minCeiling - info.height, minCeiling, info.owner, staticOnly));
}
/// <summary>Get the height of the lowest ground position we can stand at at the given XZ coordinates, in some given Y range.</summary>
/// <returns>The resulting height, or WorldPhysics.MaximumHeight if it did not fit</returns>
public static int LowestValidGroundHeight(ref CharacterPhysicsInfo info, WorldPhysics world, int x, int z, int startY, int endY, bool staticOnly = false)
{
int startX = x + info.startX;
int endX = x + info.endX;
if (endY > WorldPhysics.MaximumHeight)
{
endY = WorldPhysics.MaximumHeight;
}
// Repeatedly test the walkable height upwards, until it returns somewhere we are confirmed to fit
int tryingHeight = startY;
int resultingHeight;
do
{
resultingHeight = world.GetGroundHeightInXRange(startX, endX, z, tryingHeight, tryingHeight + info.height, info.owner, staticOnly);
if (resultingHeight <= startY)
{
return(startY);
}
if (resultingHeight == tryingHeight)
{
break;
}
tryingHeight = resultingHeight;
}while(resultingHeight < endY);
if (resultingHeight == tryingHeight && resultingHeight >= startY && resultingHeight < endY)
{
return(resultingHeight);
}
return(WorldPhysics.MaximumHeight); // <- Failed
}
public static int GroundHeight(ref CharacterPhysicsInfo info, WorldPhysics world, Position position, bool staticOnly = false)
{
int startX = position.X + info.startX;
int endX = position.X + info.endX;
return(world.GetGroundHeightInXRange(startX, endX, position.Z, position.Y, position.Y + info.height, info.owner, staticOnly));
}