From cffe622ef2e677713997f92475507783806f6210 Mon Sep 17 00:00:00 2001
From: TigerKat <karynax23@protonmail.com>
Date: Tue, 6 Apr 2021 22:25:14 +0930
Subject: [PATCH] Fixed bugs in compression logic.

---
 compression_anim.py | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/compression_anim.py b/compression_anim.py
index 283a21f..1451d9d 100644
--- a/compression_anim.py
+++ b/compression_anim.py
@@ -26,12 +26,12 @@ def compressQuaternion_5Byte(quat):
     for i in range(4):
         if i == missing:
             continue
-        v = int(math.round(q[i] / MAX_5_BYTE_QUATERNION * 2048))
+        v = int(math.floor(0.5 + q[i] / MAX_5_BYTE_QUATERNION * 2048))
         if v < -2048:
             v = -2048
         elif v > 2047:
             v = 2047
-        d.append(q[i] * 2048)
+        d.append(v + 2048)
     v = (
         (missing << 36) |
         (d[0] << 24) |
@@ -40,7 +40,7 @@ def compressQuaternion_5Byte(quat):
         )
     s = struct.pack("<Q", v)
     #Return with the top most byte first, but remaining bytes in little endian order.
-    return s[4] + s[0:4]
+    return s[4:5] + s[0:4]
 
 def decompressQuaternion_5Byte(data):
     #Source data has the top most byte first, but remaining bytes are little endian.
@@ -79,10 +79,10 @@ def decompressQuaternion_5Byte(data):
 
 def compressQuaternion_8Byte(quat):
     return struct.pack("<hhhh",
-                       int(floor(0.5 + quat[0] * SCALE_8_BYTE_QUATERNION_COMPRESS)),
-                       int(floor(0.5 + quat[1] * SCALE_8_BYTE_QUATERNION_COMPRESS)),
-                       int(floor(0.5 + quat[2] * SCALE_8_BYTE_QUATERNION_COMPRESS)),
-                       int(floor(0.5 + quat[3] * SCALE_8_BYTE_QUATERNION_COMPRESS))
+                       int(math.floor(0.5 + quat[0] * SCALE_8_BYTE_QUATERNION_COMPRESS)),
+                       int(math.floor(0.5 + quat[1] * SCALE_8_BYTE_QUATERNION_COMPRESS)),
+                       int(math.floor(0.5 + quat[2] * SCALE_8_BYTE_QUATERNION_COMPRESS)),
+                       int(math.floor(0.5 + quat[3] * SCALE_8_BYTE_QUATERNION_COMPRESS))
     )
 
 def decompressQuaternion_8Byte(data):
@@ -97,9 +97,9 @@ def decompressQuaternion_8Byte(data):
 
 def compressVector3_6Byte(vec):
     return struct.pack("<hhh",
-                       int(floor(0.5 + vec[0] * SCALE_6_BYTE_VECTOR3_COMPRESS)),
-                       int(floor(0.5 + vec[1] * SCALE_6_BYTE_VECTOR3_COMPRESS)),
-                       int(floor(0.5 + vec[2] * SCALE_6_BYTE_VECTOR3_COMPRESS))
+                       int(math.floor(0.5 + vec[0] * SCALE_6_BYTE_VECTOR3_COMPRESS)),
+                       int(math.floor(0.5 + vec[1] * SCALE_6_BYTE_VECTOR3_COMPRESS)),
+                       int(math.floor(0.5 + vec[2] * SCALE_6_BYTE_VECTOR3_COMPRESS))
     )
 
 def decompressVector3_6Byte(data):