--- a/mm7_3.cpp	Tue Jul 30 15:14:46 2013 +0600
+++ b/mm7_3.cpp	Thu Aug 01 09:26:05 2013 +0600
@@ -5361,14 +5361,12 @@
   int v9; // eax@4
   int v10; // ebx@4
   signed __int64 v11; // qax@6
-  //double v12; // st7@6
   int v13; // edi@6
   int v14; // ecx@6
-  //int v15; // eax@8
   int v16; // eax@12
-  signed __int64 v17; // qtt@13
+  //signed __int64 v17; // qtt@13
   signed int pShading; // ecx@13
-  struct Polygon pSky; // [sp+14h] [bp-150h]@1
+  struct Polygon pSkyPolygon; // [sp+14h] [bp-150h]@1
   float v28; // [sp+12Ch] [bp-38h]@2
   int v29; // [sp+130h] [bp-34h]@4
   int v30; // [sp+134h] [bp-30h]@1
@@ -5376,11 +5374,11 @@
   int v33; // [sp+140h] [bp-24h]@2
   int v34; // [sp+144h] [bp-20h]@1
   int v35; // [sp+148h] [bp-1Ch]@4
-  int v36; // [sp+14Ch] [bp-18h]@2
+  int screen_center_x; // [sp+14Ch] [bp-18h]@2
   int v37; // [sp+154h] [bp-10h]@8
   int v38; // [sp+158h] [bp-Ch]@1
   int v39; // [sp+15Ch] [bp-8h]@4
-  int v40; // [sp+160h] [bp-4h]@7
+  //int v40; // [sp+160h] [bp-4h]@7
   
   extern bool new_sky;
   if (new_sky)
@@ -5390,48 +5388,59 @@
   }
 
   v30 = ((double)(pOutdoorCamera->int_fov_rad * pIndoorCamera->pos.z)
-        / ((double)pOutdoorCamera->int_fov_rad + 8192.0) + pViewport->uScreenCenterY);
+        / ((double)pOutdoorCamera->int_fov_rad + 8192.0) + pViewport->uScreenCenterY);//184 изменяется при подъёме на высоту
   v38 = pViewport->uScreenCenterY - pOutdoorCamera->int_fov_rad /
        (pOutdoorCamera->shading_dist_mist * cos(pIndoorCamera->sRotationX * 0.003066406352445483) + 0.0000001000000011686097) *
-       (pOutdoorCamera->shading_dist_mist * -sin(pIndoorCamera->sRotationX * 0.003066406352445483) - pIndoorCamera->pos.z);
-
-  pSky._48607B(&stru_8019C8);
-  pSky.ptr_38->sky_48694B();
-  pSky.uTileBitmapID = pOutdoor->uSky_TextureID;//номер текстуры
-  pSky.pTexture = (Texture *)(pOutdoor->uSky_TextureID != -1 ? &pBitmaps_LOD->pTextures[pOutdoor->uSky_TextureID] : 0);//текстура неба
+       (pOutdoorCamera->shading_dist_mist * -sin(pIndoorCamera->sRotationX * 0.003066406352445483) - pIndoorCamera->pos.z);//61 / 184 / 310 изменяется при наклоне камеры
+
+  pSkyPolygon.Create_48607B(&stru_8019C8);
+  pSkyPolygon.ptr_38->Inverse_sky_48694B();//maybe creating skydome(возможно создание купола неба)
+  pSkyPolygon.uTileBitmapID = pOutdoor->uSky_TextureID;//номер текстуры
+  pSkyPolygon.pTexture = (Texture *)(pOutdoor->uSky_TextureID != -1 ? &pBitmaps_LOD->pTextures[pOutdoor->uSky_TextureID] : 0);//текстура неба
   if (pOutdoor->uSky_TextureID == -1)
     return;
 
-  pSky.dimming_level = 0;//затемнение
-  pSky.uNumVertices = 4;//количество вершин
-
-  //centering(центруем)---------------------------------------------------------------
-  pSky.v_18.x = -stru_5C6E00->Sin(pIndoorCamera->sRotationX + 16);//-3216
-  pSky.v_18.y = 0;
-  pSky.v_18.z = -stru_5C6E00->Cos(pIndoorCamera->sRotationX + 16);//-65457
-  //---------------------------------------------------------------------------
-
-  pSky.field_24 = 0x2000000;
-
-  pSky.sTextureDeltaU = 224 * pMiscTimer->uTotalGameTimeElapsed;
-  pSky.sTextureDeltaV = 224 * pMiscTimer->uTotalGameTimeElapsed;
+  pSkyPolygon.dimming_level = 0;//затемнение
+  pSkyPolygon.uNumVertices = 4;//количество вершин
+
+  //centering(центруем)--наклон камеры ----------------------------------------//
+  pSkyPolygon.v_18.x = -stru_5C6E00->Sin(pIndoorCamera->sRotationX + 16);//-3216, вверх: -28020, вниз: 22078
+  pSkyPolygon.v_18.y = 0;
+  pSkyPolygon.v_18.z = -stru_5C6E00->Cos(pIndoorCamera->sRotationX + 16);//-65457, вверх: -59244, вниз: -61705
+  //---------------------------------------------------------------------------//
+
+  pSkyPolygon.field_24 = 0x2000000;
+
+  pSkyPolygon.sTextureDeltaU = 224 * pMiscTimer->uTotalGameTimeElapsed;//60928
+  pSkyPolygon.sTextureDeltaV = 224 * pMiscTimer->uTotalGameTimeElapsed;
   
   //sky position(положение неба)----------------------------------------------
-  array_50AC10[0].vWorldViewProjX = pViewport->uViewportTL_X;
-  array_50AC10[0].vWorldViewProjY = pViewport->uViewportTL_Y;
-
-  array_50AC10[1].vWorldViewProjX = pViewport->uViewportTL_X;
-  array_50AC10[1].vWorldViewProjY = v38;
-
-  array_50AC10[2].vWorldViewProjX = pViewport->uViewportBR_X;
-  array_50AC10[2].vWorldViewProjY = v38;
-
-  array_50AC10[3].vWorldViewProjX = pViewport->uViewportBR_X;
-  array_50AC10[3].vWorldViewProjY = pViewport->uViewportTL_Y;
+  //                X
+  // 0._____________________________.3
+  //  |8,8                    468,8 |
+  //  |                             |
+  //  |                             |
+  // Y|                             |
+  //  |                             |
+  //  |8,?                    468,? |
+  // 1._____________________________.2
+  // 
+
+  array_50AC10[0].vWorldViewProjX = pViewport->uViewportTL_X;//8
+  array_50AC10[0].vWorldViewProjY = pViewport->uViewportTL_Y;//8
+
+  array_50AC10[1].vWorldViewProjX = pViewport->uViewportTL_X;//8
+  array_50AC10[1].vWorldViewProjY = v38;//61 / 184 / 310
+
+  array_50AC10[2].vWorldViewProjX = pViewport->uViewportBR_X;//468
+  array_50AC10[2].vWorldViewProjY = v38;//61 / 184 / 310
+
+  array_50AC10[3].vWorldViewProjX = pViewport->uViewportBR_X;//468
+  array_50AC10[3].vWorldViewProjY = pViewport->uViewportTL_Y;//8
   //--------------------------------------------------------------------------
 
   //pParty->sRotationY / 2048.0f
-  // move sky(двидение неба)--------------include-----------------------------
+  // move sky(движение неба)--------------include(вставка)---------------------
     float t = (GetTickCount() % 96000) / 96000.0f;
     array_50AC10[0].u = t - pParty->sRotationY / 1024.0f;
     array_50AC10[0].v = t - pParty->sRotationX / 512.0f;
@@ -5444,25 +5453,31 @@
 
     array_50AC10[3].u = 1 + t - pParty->sRotationY / 1024.0f;
     array_50AC10[3].v = t - pParty->sRotationX / 512.0f;
-  //--------------------------------------------------------------------------
+  //--------------------------------------------------------------------------//
 
   //rotate skydome(вращение купола неба)--------------------------------------
-  v36 = (pViewport->uViewportBR_X - pViewport->uViewportTL_X) * 0.5;//центр экрана 230
-  v33 = 65536 / (signed int)(v36 / tan(0.6457717418670654) + 0.5);//214
-
-  for (uint i = 0; i < pSky.uNumVertices; ++i)
+  // В игре принята своя система измерения углов. Полный угол в 2П радиан соответствует 65536 еденицам. Значению угла 0 соответствует 
+  // направление на восток, значению 16384(0х4000) - на север и т.д..
+
+  //нахождение вектора взгляда------------------------------------------------
+  //положение камеры----------------------------------------------------------
+  screen_center_x = (pViewport->uViewportBR_X - pViewport->uViewportTL_X) / 2;//центр экрана по X = 230
+  v33 = 65536 / (signed int)(screen_center_x / tan(0.6457717418670654) + 0.5);//360 : (расстояние от экрана до камеры в пикселях) = 214
+  //--------------------------------------------------------------------------
+
+  for (uint i = 0; i < pSkyPolygon.uNumVertices; ++i)
   {
     v29 = floorf(array_50AC10[i].vWorldViewProjY + 0.5f);//8
-    v39 = (unsigned __int64)(pSky.ptr_38->field_14 * v33 * (v30 - v29)) / 65536;//0
-    v8 = v39 + pSky.ptr_38->field_C;//0
-
-    v39 = (unsigned __int64)(pSky.ptr_38->field_20 * v33 * (v30 - v29)) / 65536;//0
-    v36 = v39 + pSky.ptr_38->field_18;//65536
-
-    v9 = (unsigned __int64)(pSky.v_18.z * v33 * (v30 - v29)) / 65536;//27917
-    v10 = pSky.v_18.x + v9;//24701
-    v39 = pSky.v_18.x + v9;//24701
-    if ( pSky.v_18.x + v9 > 0 )
+    v39 = (unsigned __int64)(pSkyPolygon.ptr_38->field_14 * v33 * (v30 - v29)) / 65536;//0
+    v8 = v39 + pSkyPolygon.ptr_38->field_C;//0
+
+    v39 = (unsigned __int64)(pSkyPolygon.ptr_38->field_20 * v33 * (v30 - v29)) / 65536;//0
+    screen_center_x = v39 + pSkyPolygon.ptr_38->field_18;//65536
+
+    v9 = (unsigned __int64)(pSkyPolygon.v_18.z * v33 * (v30 - v29)) / 65536;//27917
+    v10 = pSkyPolygon.v_18.x + v9;//24701
+    v39 = pSkyPolygon.v_18.x + v9;//24701
+    if ( pSkyPolygon.v_18.x + v9 > 0 )
     {
       v10 = 0;
       v39 = 0;
@@ -5471,73 +5486,71 @@
     v38 = v10;
     //v12 = array_50AC10[i].vWorldViewProjY - 1.0;
     v13 = v33 * (pViewport->uScreenCenterX - (signed __int64)array_50AC10[i].vWorldViewProjX);
-    v34 = -pSky.field_24;
+    v34 = -pSkyPolygon.field_24;
     v32 = (signed __int64)array_50AC10[i].vWorldViewProjY - 1.0;
     v14 = v33 * (v30 - v32);
 
     while ( 1 )
     {
-      v40 = v14;
+      //v40 = v14;
       if ( !v10 )
       {
-        v37 = pSky.v_18.z;
-        v16 = (unsigned __int64)(pSky.v_18.z * (signed __int64)v14) >> 16;
+        v37 = pSkyPolygon.v_18.z;
+        v16 = (unsigned __int64)(pSkyPolygon.v_18.z * (signed __int64)v14) >> 16;
         --v32;
         v14 += v33;
-        v10 = pSky.v_18.x + v16;
-        v39 = pSky.v_18.x + v16;
-        v38 = pSky.v_18.x + v16;
+        v10 = pSkyPolygon.v_18.x + v16;
+        v39 = pSkyPolygon.v_18.x + v16;
+        v38 = pSkyPolygon.v_18.x + v16;
         break;
       }
-      v37 = abs(v34 >> 14);
+      v37 = abs(v34 >> 14);//2048
       if ( abs(v34 >> 14) <= abs(v10) || v32 <= pViewport->uViewportTL_Y )
       {
         if ( v39 <= 0 )
           break;
       }
-      v14 = v40;
-      v37 = pSky.v_18.z;
-      v16 = (unsigned __int64)(pSky.v_18.z * v14) >> 16;
+      //v14 = v40;
+      v37 = pSkyPolygon.v_18.z;
+      v16 = (unsigned __int64)(pSkyPolygon.v_18.z * v14) >> 16;
       --v32;
       v14 += v33;
-      v10 = pSky.v_18.x + v16;
-      v39 = pSky.v_18.x + v16;
-      v38 = pSky.v_18.x + v16;
+      v10 = pSkyPolygon.v_18.x + v16;
+      v39 = pSkyPolygon.v_18.x + v16;
+      v38 = pSkyPolygon.v_18.x + v16;
       break;
     }
 
-    LODWORD(v17) = v34 << 16;
-    HIDWORD(v17) = v34 >> 16;
-    pShading = v17 / v38;
+    pShading = fixpoint_div(v34, v38);
     if ( pShading < 0 )
       pShading = pOutdoorCamera->shading_dist_mist;
 
-    v37 += ((unsigned __int64)(pSky.ptr_38->field_10 * v13) >> 16);
-    v36 += ((unsigned __int64)(pSky.ptr_38->field_1C * v13) >> 16);
+    v37 += ((unsigned __int64)(pSkyPolygon.ptr_38->field_10 * v13) >> 16);
+    screen_center_x += ((unsigned __int64)(pSkyPolygon.ptr_38->field_1C * v13) >> 16);
     v35 = 224 * pMiscTimer->uTotalGameTimeElapsed + fixpoint_sub0(v37, pShading) / 8;
-    v36 = 224 * pMiscTimer->uTotalGameTimeElapsed + fixpoint_sub0(v36, pShading) / 8;
+    screen_center_x = 224 * pMiscTimer->uTotalGameTimeElapsed + fixpoint_sub0(screen_center_x, pShading) / 8;
 
     //array_50AC10[i].vWorldViewPosition.x = pOutdoorCamera->shading_dist_mist;
     //array_50AC10[i].vWorldPosition.x = v36 / (pSky.pTexture->uTextureHeight * 65536.0);
     //array_50AC10[i].vWorldPosition.y = 1.0 / (pOutdoorCamera->shading_dist_mist >> 16);
     //array_50AC10[i].vWorldPosition.z = v35 / (pSky.pTexture->uTextureWidth * 65536.0);
-    //array_50AC10[i]._rhw = 1.0f / (v18 >> 16);
-    //array_50AC10[i].u = (double)v35 / (65536.0 * pSky.pTexture->uTextureWidth);
-    //array_50AC10[i].v = (double)v36 / (65536.0 * pSky.pTexture->uTextureHeight);
+    //array_50AC10[i]._rhw = 1.0f / (pShading >> 16);
+    //array_50AC10[i].u = (double)v35 / (65536.0 * pSkyPolygon.pTexture->uTextureWidth);
+    //array_50AC10[i].v = (double)screen_center_x / (65536.0 * pSkyPolygon.pTexture->uTextureHeight);
   //-----------------------------------------------------------------------------------------
 
     array_50AC10[i]._rhw = 1.0f;
   }
   //if ( i  == _this.uNumVertices - 1 )
   //{
-    pRenderer->DrawSkyPolygon(pSky.uNumVertices, &pSky, pBitmaps_LOD->pHardwareTextures[pSky.uTileBitmapID]);
+    pRenderer->DrawSkyPolygon(pSkyPolygon.uNumVertices, &pSkyPolygon, pBitmaps_LOD->pHardwareTextures[pSkyPolygon.uTileBitmapID]);
 
     array_50AC10[0].vWorldViewProjY = v38;
     array_50AC10[1].vWorldViewProjY = array_50AC10[1].vWorldViewProjY + 30.0;
     array_50AC10[2].vWorldViewProjY = array_50AC10[2].vWorldViewProjY + 30.0;
     array_50AC10[3].vWorldViewProjY = v38;
 
-    pRenderer->DrawSkyPolygon(pSky.uNumVertices, &pSky, pBitmaps_LOD->pHardwareTextures[pSky.uTileBitmapID]);
+    pRenderer->DrawSkyPolygon(pSkyPolygon.uNumVertices, &pSkyPolygon, pBitmaps_LOD->pHardwareTextures[pSkyPolygon.uTileBitmapID]);
   //}
 }
 
@@ -6195,7 +6208,7 @@
 }
 
 //----- (0048607B) --------------------------------------------------------
-void Polygon::_48607B(stru149 *a2)
+void Polygon::Create_48607B(stru149 *a2)
 {
   this->pTexture = 0;
   this->ptr_38 = a2;
@@ -6337,29 +6350,17 @@
 }
 
 //----- (0048694B) --------------------------------------------------------
-int stru149::sky_48694B()
+void stru149::Inverse_sky_48694B()
 {
-  int v1; // eax@1
-  int v2; // ST04_4@1
-  int v3; // ST00_4@1
-  int v4; // eax@1
-  int v5; // ST0C_4@1
-  int result; // eax@1
-
-  v1 = this->field_C;
   this->field_18 = -this->field_18;
   this->field_1C = -this->field_1C;
   this->field_20 = -this->field_20;
-  v2 = (unsigned __int64)(v1 * (signed __int64)this->field_0_party_dir_x) >> 16;
-  v3 = this->field_18;
-  v4 = this->field_0_party_dir_x;
-  this->field_24 = v2
+  this->field_24 = ((unsigned __int64)(this->field_C * (signed __int64)this->field_0_party_dir_x) >> 16)
                  + ((unsigned __int64)(this->field_10 * (signed __int64)this->field_4_party_dir_y) >> 16)
                  + ((unsigned __int64)(this->field_14 * (signed __int64)this->field_8) >> 16);
-  v5 = (unsigned __int64)(v3 * (signed __int64)v4) >> 16;
-  result = (unsigned __int64)(this->field_1C * (signed __int64)this->field_4_party_dir_y) >> 16;
-  this->field_28 = v5 + result + ((unsigned __int64)(this->field_20 * (signed __int64)this->field_8) >> 16);
-  return result;
+  this->field_28 = ((unsigned __int64)(this->field_18 * (signed __int64)this->field_0_party_dir_x) >> 16)
+                 + ((unsigned __int64)(this->field_1C * (signed __int64)this->field_4_party_dir_y) >> 16)
+                 + ((unsigned __int64)(this->field_20 * (signed __int64)this->field_8) >> 16);
 }
 
 //----- (0044100D) --------------------------------------------------------