--- a/mm7_1.cpp	Sun Sep 08 17:07:47 2013 +0600
+++ b/mm7_1.cpp	Sun Sep 08 17:07:58 2013 +0600
@@ -9,7 +9,6 @@
 */
 
 //#include <defs.h>
-#include <assert.h>
 
 #include "Texture.h"
 #include "mm7_data.h"
@@ -49,12 +48,12 @@
 
 
 //----- (004A1780) mm6_chinese---------------------------------------------
-int fixpoint_div(int a1, int a2)
+__int64 fixpoint_div(int a1, int a2)
 {
   return ((__int64)a1 << 16) / a2;
 }
 
-int fixpoint_mul(int a1, int a2)
+__int64 fixpoint_mul(int a1, int a2)
 {
   return (((__int64)a1 << 16) * a2) >> 16;
 }
@@ -63,11 +62,18 @@
 //----- (0042EBBE) --------------------------------------------------------
 //----- (004453C0) mm6-----------------------------------------------------
 //----- (004A1760) mm6_chinese---------------------------------------------
-int fixpoint_sub0(int a1, int a2)
+__int64 fixpoint_sub0(int a1, int a2)
 {
   return ((__int64)a1 * (__int64)a2) >> 16;
 }
 
+__int64 fixpoint_dot(int x1, int x2, int y1, int y2, int z1, int z2)
+{
+  return fixpoint_sub0(x1, x2) +
+         fixpoint_sub0(y1, y2) +
+         fixpoint_sub0(z1, z2);
+}
+
 //----- (0041D20D) --------------------------------------------------------
 void __fastcall sub_41D20D_buff_remaining_time_string( int ecx0, struct GUIWindow *edx0, __int64 a3, struct GUIFont *a2 )
     {
@@ -400,7 +406,7 @@
     v4 = 225;
     v6 = 255;
   }
-  else assert(false);
+  else Error("Invalid alignment type: %u", align);
 
   uGameUIFontMain = v3;
   uGameUIFontShadow = TargetColor(v5, v4, v6);