/// <summary>
/// Get all blocks colliding with entityBoxRel
/// </summary>
/// <param name="blockAccessor"></param>
/// <param name="entityBoxRel"></param>
/// <param name="pos"></param>
/// <param name="blocks">The found blocks</param>
/// <param name="alsoCheckTouch"></param>
/// <returns>If any blocks have been found</returns>
public bool GetCollidingCollisionBox(IBlockAccessor blockAccessor, Cuboidf entityBoxRel, Vec3d pos, out CachedCuboidList blocks, bool alsoCheckTouch = true)
{
blocks = new CachedCuboidList();
BlockPos blockPos = new BlockPos();
Vec3d blockPosVec = new Vec3d();
Cuboidd entityBox = entityBoxRel.ToDouble().Translate(pos);
int minX = (int)(entityBoxRel.MinX + pos.X);
int minY = (int)(entityBoxRel.MinY + pos.Y - 1); // -1 for the extra high collision box of fences
int minZ = (int)(entityBoxRel.MinZ + pos.Z);
int maxX = (int)Math.Ceiling(entityBoxRel.MaxX + pos.X);
int maxY = (int)Math.Ceiling(entityBoxRel.MaxY + pos.Y);
int maxZ = (int)Math.Ceiling(entityBoxRel.MaxZ + pos.Z);
for (int y = minY; y <= maxY; y++)
{
for (int x = minX; x <= maxX; x++)
{
for (int z = minZ; z <= maxZ; z++)
{
Block block = blockAccessor.GetBlock(x, y, z);
blockPos.Set(x, y, z);
blockPosVec.Set(x, y, z);
Cuboidf[] collisionBoxes = block.GetCollisionBoxes(blockAccessor, blockPos);
for (int i = 0; collisionBoxes != null && i < collisionBoxes.Length; i++)
{
Cuboidf collBox = collisionBoxes[i];
if (collBox == null)
{
continue;
}
bool colliding = alsoCheckTouch ? entityBox.IntersectsOrTouches(collBox, blockPosVec) : entityBox.Intersects(collBox, blockPosVec);
if (colliding)
{
blocks.Add(collBox, x, y, z, block);
}
}
}
}
}
return(blocks.Count > 0);
}