--- a/mm7_3.cpp	Sun Oct 28 00:49:10 2012 +0600
+++ b/mm7_3.cpp	Sat Oct 27 22:25:38 2012 +0200
@@ -518,27 +518,25 @@
 
 
 //----- (0046ED1B) --------------------------------------------------------
-int __fastcall _46ED1B_collide_against_floor(signed int a1, signed int a2, int a3, unsigned int *pSectorID, unsigned int *pFaceID)
-{
-  unsigned int *v5; // edi@1
-  int result; // eax@1
-  int v7; // eax@3
-  int v8; // [sp+Ch] [bp-8h]@1
-  int v9; // [sp+10h] [bp-4h]@1
-
-  __debugbreak();
-  uint _pSectorID;
-  v5 = pSectorID;
-  v9 = a2;
-  v8 = a1;
-  result = _46CEC3_get_floor_level(a1, a2, a3, *pSectorID, &_pSectorID);
-  if ( result != -30000 && result <= a3 + 50
-    || (v7 = pIndoor->GetSector(v8, v9, a3), (*v5 = v7) != 0)
-    && (result = _46CEC3_get_floor_level(v8, v9, a3, v7, &_pSectorID), result != -30000) )
-    *pFaceID = _pSectorID;
-  else
-    result = -30000;
-  return result;
+int _46ED1B_collide_against_floor(int x, int y, int z, unsigned int *pSectorID, unsigned int *pFaceID)
+{
+  uint uFaceID = -1;
+  int floor_level = _46CEC3_get_floor_level(x, y, z, *pSectorID, &uFaceID);
+
+  if (floor_level != -30000 && floor_level <= z + 50)
+  {
+    *pFaceID = uFaceID;
+    return floor_level;
+  }
+
+  uint uSectorID = pIndoor->GetSector(x, y, z);
+  *pSectorID = uSectorID;
+
+  floor_level = _46CEC3_get_floor_level(x, y, z, uSectorID, &uFaceID);
+  if (uSectorID && floor_level != -30000)
+    *pFaceID = uFaceID;
+  else return -30000;
+  return floor_level;
 }
 
 //----- (0046ED8A) --------------------------------------------------------
@@ -2354,18 +2352,12 @@
 //----- (00472866) --------------------------------------------------------
 void BLV_ProcessPartyActions()
 {
-  int v0; // esi@1
   int v1; // ebx@1
   int v2; // edi@1
-  int v3; // esi@1
-  //float v4; // ST40_4@8
-  //Player **v5; // esi@15
   int v6; // eax@18
-  //Player **v7; // esi@24
   signed __int64 v8; // qax@27
   int v9; // eax@27
   double v10; // st7@27
-  //BLVFace *v11; // edx@41
   unsigned int v12; // eax@49
   double v13; // st7@50
   int v14; // eax@51
@@ -2383,12 +2375,6 @@
   int v26; // eax@67
   double v27; // st7@67
   int v28; // ST40_4@67
-  //int v29; // eax@69
-  //double v30; // st7@69
-  //int v31; // ST3C_4@69
-  //int v32; // eax@71
-  //double v33; // st7@71
-  //int v34; // ST3C_4@71
   unsigned int v35; // eax@74
   int v36; // ecx@88
   int new_party_z; // esi@96
@@ -2421,7 +2407,6 @@
   unsigned int v64; // [sp-8h] [bp-68h]@161
   int v65; // [sp-4h] [bp-64h]@75
   int v66; // [sp-4h] [bp-64h]@161
-  //double v67; // [sp+Ch] [bp-54h]@8
   int v68; // [sp+10h] [bp-50h]@45
   int v69; // [sp+10h] [bp-50h]@140
   unsigned int uFaceEvent; // [sp+14h] [bp-4Ch]@1
@@ -2430,8 +2415,7 @@
   signed int v73; // [sp+20h] [bp-40h]@100
   int v74; // [sp+20h] [bp-40h]@140
   bool bFeatherFall; // [sp+24h] [bp-3Ch]@15
-  //bool bFeatherFalla; // [sp+24h] [bp-3Ch]@33
-  unsigned int v77; // [sp+28h] [bp-38h]@1
+  unsigned int uSectorID; // [sp+28h] [bp-38h]@1
   int v78; // [sp+2Ch] [bp-34h]@1
   unsigned int uFaceID; // [sp+30h] [bp-30h]@1
   int v80; // [sp+34h] [bp-2Ch]@1
@@ -2442,24 +2426,21 @@
   int new_party_y; // [sp+48h] [bp-18h]@1
   int new_party_x; // [sp+4Ch] [bp-14h]@1
   int party_z; // [sp+50h] [bp-10h]@1
-  //float v88; // [sp+54h] [bp-Ch]@62
   int v89; // [sp+58h] [bp-8h]@1
   int angle; // [sp+5Ch] [bp-4h]@47
 
-  v0 = pParty->vPosition.z;
   v89 = pParty->uFallSpeed;
   v1 = 0;
   new_party_y = pParty->vPosition.y;
   v2 = 0;
   new_party_x = pParty->vPosition.x;
   party_z = pParty->vPosition.z;
-  v77 = pIndoor->GetSector(pParty->vPosition.x, pParty->vPosition.y, pParty->vPosition.z);
+  uSectorID = pIndoor->GetSector(pParty->vPosition.x, pParty->vPosition.y, pParty->vPosition.z);
   v72 = 0;
   v78 = 0;
   v71 = 0;
   bJumping = 0;
-  v3 = v0 + 40;
-  v80 = _46ED1B_collide_against_floor(new_party_x, new_party_y, v3, &v77, &uFaceID);
+  v80 = _46ED1B_collide_against_floor(new_party_x, new_party_y, party_z + 40, &uSectorID, &uFaceID);
   if ( pParty->bFlying )
   {
     pParty->bFlying = 0;
@@ -2469,7 +2450,7 @@
   }
   if ( v80 == -30000 )
   {
-    v80 = _47272C_collide_agains_some_secotors_floors(new_party_x, new_party_y, v3, &v77, &uFaceID);
+    v80 = _47272C_collide_agains_some_secotors_floors(new_party_x, new_party_y, party_z + 40, &uSectorID, &uFaceID);
     if ( v80 == -30000 )
     {
       pParty->vPosition.x = blv_prev_party_x;
@@ -2789,7 +2770,7 @@
     stru_721530.normal.z = stru_721530.prolly_normal_d + party_z + 1;
     stru_721530.field_34.z = stru_721530.field_C + party_z + 1;
     stru_721530.field_24 = v89;
-    stru_721530.uSectorID = v77;
+    stru_721530.uSectorID = uSectorID;
     v38 = 0;
     if ( pParty->bTurnBasedModeOn == 1 && pTurnEngine->field_4 == 3 )
       v38 = 13312;
@@ -2810,16 +2791,16 @@
     if ( stru_721530.field_7C >= stru_721530.field_6C )
     {
       v39 = stru_721530.normal2.x;
-      v77 = stru_721530.normal2.y;
+      uSectorID = stru_721530.normal2.y;
       v40 = stru_721530.normal2.z - stru_721530.prolly_normal_d - 1;
     }
     else
     {
       v39 = ((unsigned __int64)(stru_721530.field_7C * (signed __int64)stru_721530.field_58.x) >> 16) + new_party_x;
-      v77 = new_party_y + ((unsigned __int64)(stru_721530.field_7C * (signed __int64)stru_721530.field_58.y) >> 16);
+      uSectorID = new_party_y + ((unsigned __int64)(stru_721530.field_7C * (signed __int64)stru_721530.field_58.y) >> 16);
       v40 = new_party_z + ((unsigned __int64)(stru_721530.field_7C * (signed __int64)stru_721530.field_58.z) >> 16);
     }
-    v42 = _46ED1B_collide_against_floor(v39, v77, v40 + 40, &stru_721530.uSectorID, &uFaceID);
+    v42 = _46ED1B_collide_against_floor(v39, uSectorID, v40 + 40, &stru_721530.uSectorID, &uFaceID);
     if ( v42 == -30000 || v42 - new_party_z > 128 )
       return;
     if ( stru_721530.field_7C >= stru_721530.field_6C )
@@ -2832,7 +2813,7 @@
     new_party_x += (unsigned __int64)(stru_721530.field_7C * (signed __int64)stru_721530.field_58.x) >> 16;
     new_party_y += (unsigned __int64)(stru_721530.field_7C * (signed __int64)stru_721530.field_58.y) >> 16;
     v43 = stru_721530.uFaceID;
-    v77 = stru_721530.uSectorID;
+    uSectorID = stru_721530.uSectorID;
     stru_721530.field_70 += stru_721530.field_7C;
     auto v87 = ((unsigned __int64)(stru_721530.field_7C * (signed __int64)stru_721530.field_58.z) >> 16) + new_party_z;
     if ( (stru_721530.uFaceID & 7) == 3 )