public static MinecartMember spawn(Location at, int type) {
MinecartMember mm =
new MinecartMember(
WorldUtil.getNative(at.getWorld()), at.getX(), at.getY(), at.getZ(), type);
mm.yaw = at.getYaw();
mm.pitch = at.getPitch();
mm.world.addEntity(mm);
return mm;
}
private static boolean isHeadingTo(MinecartMember mm, ChunkCoordinates to) {
if (mm == null) {
return false;
} else {
BlockFace dir = mm.getDirection();
if (dir.getModX() + mm.getBlockX() != to.x) return false;
if (dir.getModZ() + mm.getBlockZ() != to.z) return false;
return true;
}
}
public static void cleanUpDeadCarts() {
Iterator<MinecartMember> iter = replacedCarts.iterator();
MinecartMember mm;
while (iter.hasNext()) {
mm = iter.next();
if (mm.dead) {
iter.remove();
mm.die();
}
}
}
public static MinecartMember getAt(Location at, MinecartGroup in, double searchRadius) {
if (at == null) return null;
searchRadius *= searchRadius;
MinecartMember result = null;
for (Entity e : at.getBlock().getChunk().getEntities()) {
if (e instanceof Minecart) {
MinecartMember mm = get(e);
if (mm == null) continue;
if (in != null && mm.getGroup() != in) continue;
if (mm.distanceSquared(at) > searchRadius) continue;
result = mm;
if (mm.isHeadingTo(at)) return result;
}
}
return result;
}
public static EntityMinecart undoReplacement(MinecartMember mm) {
replacedCarts.remove(mm);
if (!mm.dead) {
denyConversion = true;
mm.died = true;
EntityMinecart em = new EntityMinecart(mm.world, mm.lastX, mm.lastY, mm.lastZ, mm.type);
replaceMinecarts(mm, em);
denyConversion = false;
return em;
}
return null;
}
@SuppressWarnings("rawtypes")
public static MinecartMember getAt(World world, ChunkCoordinates coord, boolean checkmoving) {
net.minecraft.server.Chunk chunk = WorldUtil.getChunk(world, coord.x >> 4, coord.z >> 4);
if (chunk != null) {
MinecartMember mm;
MinecartMember result = null;
for (List list : chunk.entitySlices) {
for (Object e : list) {
if (e instanceof MinecartMember) {
mm = (MinecartMember) e;
if (mm.getBlockX() != coord.x) continue;
if (mm.getBlockY() != coord.y) continue;
if (mm.getBlockZ() != coord.z) continue;
result = mm;
if (result.isHeadingTo(coord)) return result;
}
}
}
if (result == null && checkmoving) {
Block b = world.getWorld().getBlockAt(coord.x, coord.y, coord.z);
int id = b.getTypeId();
// get the two connected rails to check
if (BlockUtil.isRails(id)) {
BlockFace[] possible = FaceUtil.getFaces(BlockUtil.getRails(b).getDirection());
MinecartMember mm1 = getAt(Util.getRailsBlock(b.getRelative(possible[0])), false);
MinecartMember mm2 = getAt(Util.getRailsBlock(b.getRelative(possible[1])), false);
if (mm1 != null && mm2 != null && mm1.group == mm2.group) {
Location loc = b.getLocation();
return mm1.distance(loc) < mm2.distance(loc) ? mm1 : mm2;
} else if (isHeadingTo(mm1, coord)) {
return mm1;
} else if (isHeadingTo(mm2, coord)) {
return mm2;
} else {
return null;
}
} else if (Util.isPressurePlate(id)) {
// check all directions
MinecartMember mm1 = getAt(Util.getRailsBlock(b.getRelative(BlockFace.NORTH)), false);
MinecartMember mm2 = getAt(Util.getRailsBlock(b.getRelative(BlockFace.SOUTH)), false);
MinecartMember mm3 = getAt(Util.getRailsBlock(b.getRelative(BlockFace.EAST)), false);
MinecartMember mm4 = getAt(Util.getRailsBlock(b.getRelative(BlockFace.WEST)), false);
if (mm1 != null && mm2 != null && mm1.group == mm2.group) {
Location loc = b.getLocation();
return mm1.distance(loc) < mm2.distance(loc) ? mm1 : mm2;
} else if (mm3 != null && mm4 != null && mm3.group == mm4.group) {
Location loc = b.getLocation();
return mm3.distance(loc) < mm4.distance(loc) ? mm3 : mm4;
} else if (isHeadingTo(mm1, coord)) {
return mm1;
} else if (isHeadingTo(mm2, coord)) {
return mm2;
} else if (isHeadingTo(mm3, coord)) {
return mm3;
} else if (isHeadingTo(mm4, coord)) {
return mm4;
} else {
return null;
}
}
}
return result;
}
return null;
}