private double calcHorizontalLength() { double length = 0.0; // Count the amount of horizontal tracks final BlockFace[] toCheck; if (this.instruction == BlockFace.SELF) { toCheck = FaceUtil.getFaces(this.railDirection); } else { toCheck = new BlockFace[] {this.instruction}; } for (BlockFace face : toCheck) { int tlength = 0; // Get the type of rail required BlockFace checkface = face; if (checkface == BlockFace.NORTH) checkface = BlockFace.SOUTH; if (checkface == BlockFace.EAST) checkface = BlockFace.WEST; Block b = this.railsBlock; for (int i = 0; i < 20; i++) { // Next until invalid b = b.getRelative(face); Rails rr = BlockUtil.getRails(b); if (rr == null || rr.getDirection() != checkface) { break; } tlength++; } // Update the length if (tlength > length) { length = tlength; } } return length; }
private double calcDiagonalLength() { double length = 0.0; // Count the amount of zig-zagging curved tracks final BlockFace[] toCheck; if (this.instruction == BlockFace.SELF) { toCheck = new BlockFace[] { FaceUtil.rotate(this.railDirection, -2), FaceUtil.rotate(this.railDirection, 2) }; } else { toCheck = new BlockFace[] {this.instruction}; } for (BlockFace direction : toCheck) { double tlength = 0.0; // Find out the starting offset final BlockFace[] dirs = FaceUtil.getFaces(direction); BlockFace[] railDirs = FaceUtil.getFaces(this.railDirection); BlockFace railDirection = this.railDirection; Block b = this.railsBlock; for (int i = 0; i < 20; i++) { // Invert the direction railDirection = railDirection.getOppositeFace(); railDirs[0] = railDirs[0].getOppositeFace(); railDirs[1] = railDirs[1].getOppositeFace(); // Obtain the new offset final BlockFace offset; if (LogicUtil.contains(railDirs[0], dirs)) { offset = railDirs[0]; } else { offset = railDirs[1]; } // Check if the new block is the expected curve direction b = b.getRelative(offset); Rails rr = BlockUtil.getRails(b); if (rr == null || rr.getDirection() != railDirection) { break; } tlength += MathUtil.HALFROOTOFTWO; } // Update the length if (tlength > length) { length = tlength; } } return length; }
@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; }