public bool IsLikelyInsideBlock()
{
AABB bb = ModelBB.OffsetPosition(Pos);
// client collision is very slightly more precise than server
// so move slightly in to avoid false positives
bb = bb.Expand(-1);
return(AABB.IntersectsSolidBlocks(bb, level));
}
void CheckBlocks(Position pos)
{
try {
Vec3U16 P = (Vec3U16)pos.BlockCoords;
AABB bb = ModelBB.OffsetPosition(Pos);
int index = level.PosToInt(P.X, P.Y, P.Z);
if (level.Config.SurvivalDeath)
{
PlayerPhysics.Drown(this, bb);
PlayerPhysics.Fall(this, bb);
}
lastFallY = bb.Min.Y;
PlayerPhysics.Walkthrough(this, bb);
oldIndex = index;
} catch (Exception ex) {
Logger.LogError(ex);
}
}
void DoMove(int steps)
{
Position pos = Pos;
AABB bb = ModelBB.OffsetPosition(pos);
int dx = Math.Sign(TargetPos.X - pos.X);
int dz = Math.Sign(TargetPos.Z - pos.Z);
if (downsCount == -1)
{
RecalcDownExtent(ref bb, steps, dx, dz);
RecalcUpExtent(ref bb, steps, dx, dz);
}
// Advance the AABB to the bot's next position
bb = bb.Offset(dx, 0, dz);
AABB bbCopy = bb;
// Attempt to drop the bot down up to 1 block
int hitY = -32;
for (int dy = 0; dy >= -32; dy--)
{
bool intersectsAny = false;
for (int i = 0; i < downsCount; i++)
{
if (AABB.Intersects(ref bb, ref downs[i]))
{
intersectsAny = true; break;
}
}
if (intersectsAny)
{
hitY = dy + 1; break;
}
bb.Min.Y--; bb.Max.Y--;
}
// Does the bot fall down a block
if (hitY < 0)
{
pos.X += dx; pos.Y += hitY; pos.Z += dz; Pos = pos;
RecalcDownExtent(ref bb, steps, dx, dz);
RecalcUpExtent(ref bb, steps, dx, dz);
return;
}
// Attempt to move the bot up to 1 block
bb = bbCopy;
for (int dy = 0; dy <= 32; dy++)
{
bool intersectsAny = false;
for (int i = 0; i < upsCount; i++)
{
if (AABB.Intersects(ref bb, ref ups[i]))
{
intersectsAny = true; break;
}
}
if (!intersectsAny)
{
pos.X += dx; pos.Y += dy; pos.Z += dz; Pos = pos;
if (dy != 0)
{
RecalcDownExtent(ref bb, steps, dx, dz);
RecalcUpExtent(ref bb, steps, dx, dz);
}
return;
}
bb.Min.Y++; bb.Max.Y++;
}
}
public bool CheckIfInsideBlock()
{
AABB bb = ModelBB.OffsetPosition(Pos);
return(AABB.IntersectsSolidBlocks(bb, level));
}
