private static void appendUpdateBlock(Npc Npc, PacketBuilder updateBlock) { int mask = 0x0; if (Npc.getUpdateFlags().isHit2UpdateRequired()) { mask |= 0x2; } if (Npc.getUpdateFlags().isEntityFocusUpdateRequired()) { mask |= 0x4; } if (Npc.getUpdateFlags().isAnimationUpdateRequired()) { mask |= 0x10; } if (Npc.getUpdateFlags().isForceTextUpdateRequired()) { mask |= 0x20; } if (Npc.getUpdateFlags().isHitUpdateRequired()) { mask |= 0x40; } if (Npc.getUpdateFlags().isGraphicsUpdateRequired()) { mask |= 0x80; } if (Npc.getUpdateFlags().isFaceLocationUpdateRequired()) { mask |= 0x200; } if (mask >= 0x100) { mask |= 0x8; updateBlock.addLEShort(mask); //updateBlock.addByte((byte)(mask & 0xFF)); //updateBlock.addByte((byte)(mask >> 8)); } else { updateBlock.addByte((byte)(mask & 0xFF)); } if (Npc.getUpdateFlags().isHitUpdateRequired()) { appendHitUpdate(Npc, updateBlock); } if (Npc.getUpdateFlags().isHit2UpdateRequired()) { appendHit2Update(Npc, updateBlock); } if (Npc.getUpdateFlags().isAnimationUpdateRequired()) { appendAnimationUpdate(Npc, updateBlock); } if (Npc.getUpdateFlags().isEntityFocusUpdateRequired()) { appendEntityFocusUdate(Npc, updateBlock); } if (Npc.getUpdateFlags().isGraphicsUpdateRequired()) { appendGraphicsUpdate(Npc, updateBlock); } //0x1 if (Npc.getUpdateFlags().isForceTextUpdateRequired()) { appendForceTextUpdate(Npc, updateBlock); } //0x100 if (Npc.getUpdateFlags().isFaceLocationUpdateRequired()) { appendFaceLocationUpdate(Npc, updateBlock); } }