//NOT COMPLETE YET
public SubchunkCoord[] GetBoundingBoxOccupiedSubchunks(BoundingBox bb)
{
List <SubchunkCoord> subchunks = new List <SubchunkCoord>();
Vector3 center = bb.center;
BoundingBoxOffsets bbo = bb.GetBoundingBoxOffsets(center);
subchunks.Add(world.GetSubchunkCoord(center));
return(subchunks.ToArray());
}
//Returns floored coordinates for the edges of each dimension in the given bounding box
public BoundingBoxOffsets GetBoundingBoxOffsets(Vector3 globalPos)
{
BoundingBoxOffsets bbo = new BoundingBoxOffsets();
bbo.X_Neg = Mathf.FloorToInt(globalPos.x - width);
bbo.X_Plus = Mathf.FloorToInt(globalPos.x + width - EPSILON);
bbo.Y_Neg = Mathf.FloorToInt(globalPos.y - height);
bbo.Y_Plus = Mathf.FloorToInt(globalPos.y + height - EPSILON);
bbo.Z_Neg = Mathf.FloorToInt(globalPos.z - depth);
bbo.Z_Plus = Mathf.FloorToInt(globalPos.z + depth - EPSILON);
return(bbo);
}
public virtual Vector3 MoveEntity(Vector3 velocity, World world)
{
BoundingBox entityBB = GetEntityBoundingBox();
Vector3 entityCenter = entityBB.center;
Vector3 entityGlobalPos = World.GetFlooredVector3(entityCenter);
Chunk chunk = world.GetChunk(entityGlobalPos);
List <BoundingBox> boundingBoxes = new List <BoundingBox>();
List <Vector3> boxCoordsToCheck = new List <Vector3>();
BoundingBoxOffsets bbo = entityBB.GetBoundingBoxOffsets(entityCenter + velocity);
//X Checks
if (velocity.x < 0) //Left check
{
for (int y = 0; y <= (bbo.Y_Plus - bbo.Y_Neg); y++)
{
for (int z = 0; z <= (bbo.Z_Plus - bbo.Z_Neg); z++)
{
boxCoordsToCheck.Add(new Vector3(bbo.X_Neg, bbo.Y_Neg + y, bbo.Z_Neg + z));
}
}
}
else if (velocity.x > 0) //Right check
{
for (int y = 0; y <= (bbo.Y_Plus - bbo.Y_Neg); y++)
{
for (int z = 0; z <= (bbo.Z_Plus - bbo.Z_Neg); z++)
{
boxCoordsToCheck.Add(new Vector3(bbo.X_Plus, bbo.Y_Neg + y, bbo.Z_Neg + z));
}
}
}
//Y Checks
if (velocity.y < 0) //Down check
{
for (int x = 0; x <= (bbo.X_Plus - bbo.X_Neg); x++)
{
for (int z = 0; z <= (bbo.Z_Plus - bbo.Z_Neg); z++)
{
boxCoordsToCheck.Add(new Vector3(bbo.X_Neg + x, bbo.Y_Neg, bbo.Z_Neg + z));
}
}
}
if (velocity.y > 0) //Up check
{
for (int x = 0; x <= (bbo.X_Plus - bbo.X_Neg); x++)
{
for (int z = 0; z <= (bbo.Z_Plus - bbo.Z_Neg); z++)
{
boxCoordsToCheck.Add(new Vector3(bbo.X_Neg + x, bbo.Y_Plus, bbo.Z_Neg + z));
}
}
}
//Z Checks
if (velocity.z < 0) //Backward check
{
for (int y = 0; y <= (bbo.Y_Plus - bbo.Y_Neg); y++)
{
for (int x = 0; x <= (bbo.X_Plus - bbo.X_Neg); x++)
{
boxCoordsToCheck.Add(new Vector3(bbo.X_Neg + x, bbo.Y_Neg + y, bbo.Z_Neg));
}
}
}
else if (velocity.z > 0) //Forward check
{
for (int y = 0; y <= (bbo.Y_Plus - bbo.Y_Neg); y++)
{
for (int x = 0; x <= (bbo.X_Plus - bbo.X_Neg); x++)
{
boxCoordsToCheck.Add(new Vector3(bbo.X_Neg + x, bbo.Y_Neg + y, bbo.Z_Plus));
}
}
}
foreach (Vector3 iterationGlobalPos in boxCoordsToCheck)
{
if (chunk.IsVoxelInChunk(iterationGlobalPos))
{
BoundingBox bb = chunk.GetBlockBoundingBox(iterationGlobalPos);
if (!bb.Equals(BoundingBox.AIR_BB))
{
boundingBoxes.Add(bb);
}
}
else
{
BoundingBox bb = world.GetChunk(iterationGlobalPos).GetBlockBoundingBox(iterationGlobalPos);
if (!bb.Equals(BoundingBox.AIR_BB))
{
boundingBoxes.Add(bb);
}
}
}
/*if (chunk.IsVoxelInChunk(iterationGlobalPos))
* {
* BoundingBox bb = chunk.GetBlockBoundingBox(iterationGlobalPos);
* if (!bb.Equals(BoundingBox.AIR_BB))
* boundingBoxes.Add(bb);
* }
* else
* {
* BoundingBox bb = world.GetChunk(iterationGlobalPos).GetBlockBoundingBox(iterationGlobalPos);
* if (!bb.Equals(BoundingBox.AIR_BB))
* boundingBoxes.Add(bb);
* }*/
BBsChecked = boundingBoxes.Count;
Vector3 finalVelocity = entityBB.TryMove(velocity, boundingBoxes.ToArray());
TranslateEntity(finalVelocity);
//Debug.Log("iV: " + velocity + " fV: " + finalVelocity);
return(finalVelocity);
}
