From b691c43c44ff180d10e7d4a9afc83b98551ff586 Mon Sep 17 00:00:00 2001
From: daoge_cmd <3523206925@qq.com>
Date: Sun, 1 Mar 2026 12:16:08 +0800
Subject: Initial commit

---
 Minecraft.Client/Common/Minecraft_Macros.h | 42 ++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 Minecraft.Client/Common/Minecraft_Macros.h

(limited to 'Minecraft.Client/Common/Minecraft_Macros.h')

diff --git a/Minecraft.Client/Common/Minecraft_Macros.h b/Minecraft.Client/Common/Minecraft_Macros.h
new file mode 100644
index 00000000..4f1f096a
--- /dev/null
+++ b/Minecraft.Client/Common/Minecraft_Macros.h
@@ -0,0 +1,42 @@
+
+#pragma once
+
+// 3 bit user index
+// 5 bits alpha
+// 1 bit decoration
+// 3 bits poptime
+// 8 bits unused // was 11 bits aux val but needed 15 bits for potions so moved to item bitmask
+// 6 bits count
+// 6 bits scale
+
+// uiCount is up to 64, but can't ever be 0, so to make it 6 bits, subtract one from the packing, and add one on the unpacking
+#define MAKE_SLOTDISPLAY_DATA_BITMASK(uiUserIndex,uiAlpha,bDecorations,uiCount,uiScale,uiPopTime) ((((uiUserIndex&0x7)<<29) | (uiAlpha&0x1F)<<24) | (bDecorations?0x800000:0) | ((uiPopTime&0x7)<<20) | ((uiCount-1)<<6) | (uiScale&0x3F))
+
+#define GET_SLOTDISPLAY_USERINDEX_FROM_DATA_BITMASK(uiBitmask)	((((unsigned int)uiBitmask)>>29)&0x7)
+#define GET_SLOTDISPLAY_ALPHA_FROM_DATA_BITMASK(uiBitmask)		((((unsigned int)uiBitmask)>>24)&0x1F)
+#define GET_SLOTDISPLAY_DECORATIONS_FROM_DATA_BITMASK(uiBitmask) ((((unsigned int)uiBitmask)&0x800000)?true:false)
+//#define GET_SLOTDISPLAY_AUXVAL_FROM_DATA_BITMASK(uiBitmask)		((((unsigned long)uiBitmask)>>12)&0x7FF)
+#define GET_SLOTDISPLAY_COUNT_FROM_DATA_BITMASK(uiBitmask)		(((((unsigned int)uiBitmask)>>6)&0x3F)+1)
+#define GET_SLOTDISPLAY_SCALE_FROM_DATA_BITMASK(uiBitmask)		(((unsigned int)uiBitmask)&0x3F)
+#define GET_SLOTDISPLAY_POPTIME_FROM_DATA_BITMASK(uiBitmask)	((((unsigned int)uiBitmask)>>20)&0x7)
+
+// 16 bits for id (either item id or xzp icon id)
+// 15 bits for aux value
+// 1 bit for foil
+#define MAKE_SLOTDISPLAY_ITEM_BITMASK(uiId,uiAuxValue,bFoil) ( (uiId & 0xFFFF) | ((uiAuxValue & 0x7FFF) << 16) | (bFoil?0x80000000:0) )
+
+#define GET_SLOTDISPLAY_ID_FROM_ITEM_BITMASK(uiBitmask) (((unsigned int)uiBitmask)&0xFFFF)
+#define GET_SLOTDISPLAY_AUXVAL_FROM_ITEM_BITMASK(uiBitmask) ((((unsigned int)uiBitmask)>>16) & 0x7FFF)
+#define GET_SLOTDISPLAY_FOIL_FROM_ITEM_BITMASK(uiBitmask) ((((unsigned int)uiBitmask)&0x80000000)?true:false)
+
+
+// For encoding the players skin selection in their profile
+// bDlcSkin = false is a players skin, bDlcSkin = true is a DLC skin
+#define MAKE_SKIN_BITMASK(bDlcSkin, dwSkinId) ( (bDlcSkin?0x80000000:0) | (dwSkinId & 0x7FFFFFFF) )
+#define IS_SKIN_ID_IN_RANGE(dwSkinId) (dwSkinId <= 0x7FFFFFFF)
+
+#define GET_DLC_SKIN_ID_FROM_BITMASK(uiBitmask)		(((DWORD)uiBitmask)&0x7FFFFFFF)
+#define GET_UGC_SKIN_ID_FROM_BITMASK(uiBitmask)		(((DWORD)uiBitmask)&0x7FFFFFE0)
+#define GET_DEFAULT_SKIN_ID_FROM_BITMASK(uiBitmask)		(((DWORD)uiBitmask)&0x0000001F)
+#define GET_IS_DLC_SKIN_FROM_BITMASK(uiBitmask) ((((DWORD)uiBitmask)&0x80000000)?true:false)
+
-- 
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