--- a/Indoor.cpp	Sun Mar 24 23:45:50 2013 +0200
+++ b/Indoor.cpp	Mon Mar 25 05:27:18 2013 +0200
@@ -23,6 +23,9 @@
 #include "PaletteManager.h"
 #include "MapInfo.h"
 #include "IndoorCamera.h"
+#include "GUIWindow.h"
+#include "GUIButton.h"
+#include "GUIFont.h"
 
 #include "mm7_data.h"
 
@@ -375,10 +378,14 @@
   if (viewparams->draw_d3d_outlines)
     _this.uFlags |= INDOOR_CAMERA_DRAW_D3D_OUTLINES;
 
+  _this.uFlags |= INDOOR_CAMERA_DRAW_D3D_OUTLINES;
+  _this.uFlags |= INDOOR_CAMERA_DRAW_SW_OUTLINES;
+  //INDOOR_CAMERA_DRAW_TERRAIN_OUTLINES
+
   _this.field_0_timer = pEventTimer->uTotalGameTimeElapsed;
   _this.field_1C_mb_fov = 65;
-  _this.vPosition.x = pParty->vPosition.x - ((stru_5C6E00->Cos(pParty->sRotationY) * (signed __int64)pParty->y_rotation_granularity) >> 16);
-  _this.vPosition.y = pParty->vPosition.y - ((stru_5C6E00->Sin(pParty->sRotationY) * (signed __int64)pParty->y_rotation_granularity) >> 16);
+  _this.vPosition.x = pParty->vPosition.x - fixpoint_mul(stru_5C6E00->Cos(pParty->sRotationY), pParty->y_rotation_granularity);
+  _this.vPosition.y = pParty->vPosition.y - fixpoint_mul(stru_5C6E00->Sin(pParty->sRotationY), pParty->y_rotation_granularity);
   _this.vPosition.z = pParty->vPosition.z + pParty->sEyelevel;
   _this.sRotationX = pParty->sRotationX;
   _this.sRotationY = pParty->sRotationY;
@@ -537,7 +544,7 @@
         if (pDecalBuilder->uNumDecals > 0)
           pDecalBuilder->ApplyDecals(a4a, 1, &stru_F7B60C, uNumVerticesa, array_507D30, pVertices, 0, pFace->uSectorID);
 
-        if (pFace->Animated() &&
+        if (pFace->Fluid() &&
             pFace->uBitmapID == pRenderer->hd_water_tile_id )
         {
           __debugbreak();
@@ -545,7 +552,7 @@
           goto LABEL_42;
         }
 
-        if (pFace->Animated())
+        if (pFace->Fluid())
         {
           //auto v24 = GetTickCount() / 4;
           //auto v25 = v24 - stru_5C6E00->uIntegerHalfPi;
@@ -1467,6 +1474,7 @@
           }
           if (pBLVRenderParams->uFlags & INDOOR_CAMERA_DRAW_SW_OUTLINES)
             pGame->pIndoorCameraD3D->PrepareAndDrawDebugOutline(pFace, 0x1E1EFF);
+            //pGame->pIndoorCameraD3D->DebugDrawPortal(pFace);
         }
 }
 
@@ -3121,10 +3129,10 @@
   ///Vec3_short_ *v29; // eax@26
   //Vec3_short_ *v30; // edx@26
   //int v31; // edx@26
-  signed int v32; // edi@27
+  //signed int v32; // edi@27
   signed __int64 v33; // qtt@27
   //Vec3_short_ *v34; // edx@27
-  int v35; // edx@32
+  //int v35; // edx@32
   int v37; // edi@38
   int pSectorID; // ebx@40
   int v39; // eax@41
@@ -3150,12 +3158,10 @@
   int v59; // [sp+110h] [bp-4h]@16
 
   v4 = 0;
-  //v7 = __OFSUB__(this->uNumSectors, 1);
-  //v5 = this->uNumSectors == 1;
-  //v6 = this->uNumSectors - 1 < 0;
+  v43[0] = 0;
+
   v55 = 0;
-  v43[0] = 0;
-  //v56 = 1;
+
   if (uNumSectors < 2)
     return 0;
 
@@ -3163,126 +3169,101 @@
   {
     auto pSector = pSectors + i;
 
-    if (pSector->pBounding.x1 <= sX  && pSector->pBounding.x2 >= sX)
-      if (pSector->pBounding.y1 <= sY  && pSector->pBounding.y2 >= sY)
-        if (pSector->pBounding.z1 - 64 <= sZ && pSector->pBounding.z2 + 64 >= sZ)
-        {
+    if (pSector->pBounding.x1 > sX || pSector->pBounding.x2 < sX ||
+        pSector->pBounding.y1 > sY || pSector->pBounding.y2 < sY ||
+        pSector->pBounding.z1 - 64 > sZ || pSector->pBounding.z2 + 64 < sZ)
+      continue;
+
           //Log::Warning(L"Sector[%u]", i);
-          v51 = pSector->uNumFloors + pSector->uNumPortals;
-          if (!v51)
-            continue;
-
-          //v9 = pSector->uNumFloors;
-                //v10 = v9 + pSector->uNumPortals;
-                //v11 = 0;
-                //v44 = v9;
-                //v48 = 0;
-
-                  //v12 = -2 * v9;
-                  //v53 = -2 * v9;
-           for (uint j = 0; j < v51; ++j)
-           {
-             unsigned int uFaceID;
-             if (j < pSector->uNumFloors)
-               uFaceID = pSector->pFloors[j];
-             else
-               uFaceID = pSector->pPortals[j - pSector->uNumFloors];
-
-             auto pFace = pFaces + uFaceID;
-                    //v14 = (signed __int16)v13;
-                    //v15 = this->pFaces;
-                    //v46 = v13;
-                    //v14 *= 96;
-                    //v45 = v13 * sizeof(BLVFace);
-                    //v16 = pFaces + uFaceID;
-                    //v17 = v16->uPolygonType;
-             if (pFace->uPolygonType == POLYGON_Floor ||
-                 pFace->uPolygonType == POLYGON_InBetweenFloorAndWall)
-             {
-               //pVertexIDs = pFace->pVertexIDs;
-                      //v19 = this->pVertices;
-               //v20 = pVertices[pFace->pVertexIDs[0]].y;
-               v54 = 0;
-               //v57 = 0;
-               //v5 = v16->uNumVertices == 0;
-               v59 = pVertices[pFace->pVertexIDs[0]].y >= sY;
-
-                        //v21 = pFace->pVertexIDs + 1;
-               for (uint k = 0; k < pFace->uNumVertices; k++)
-               {
-                 if (v54 >= 2)
-                   break;
-
-                 //v49 = &pVertices[pFace->pVertexIDs[k]];
-                 auto v2 = &pVertices[pFace->pVertexIDs[k]];
-                          //v22 = pVertex->y;
-                          //v47 = pVertex->y;
-                 v50 = v2->y >= sY;
-                 if ( v59 != v50 )
-                 {
-                            //v58 = &pVertices[pFace->pVertexIDs[k - 1]];
-                   auto v1 = &pVertices[pFace->pVertexIDs[k]];
-                            //v23 = v58->x;
-                            //HIWORD(v24) = HIWORD(v49);
-                            //LOWORD(v24) = v49->x;
-                            //v49 = v24;
-                            //v59 = v49->x;
-                   v25 = v1->x >= sX ? 0 : 2;
-                   v26 = v25 | v2->x < sX;
-                   if ( v26 != 3 )
-                   {
-                    if (!v26)
-                      ++v54;
-                    else
-                    {
-                      if (v1->x >= v2->x)
-                      {
-                        int _a58;
+    v51 = pSector->uNumFloors + pSector->uNumPortals;
+    if (!v51)
+      continue;
+
+
+    for (uint j = 0; j < v51; ++j)
+    {
+      uint uFaceID;
+      if (j < pSector->uNumFloors)
+        uFaceID = pSector->pFloors[j];
+      else
+        uFaceID = pSector->pPortals[j - pSector->uNumFloors];
+
+      auto pFace = pFaces + uFaceID;
+      if (pFace->uPolygonType != POLYGON_Floor &&
+          pFace->uPolygonType != POLYGON_InBetweenFloorAndWall)
+        continue;
+
+      v54 = 0;
+      v50 = pVertices[pFace->pVertexIDs[0]].y >= sY;
+
+      for (uint k = 1; k < pFace->uNumVertices; k++)
+      {
+        v59 = v50;
+
+        if (v54 >= 2)
+          break;
+
+        auto v2 = &pVertices[pFace->pVertexIDs[k]];
+        v50 = v2->y >= sY;
+
+        if ( v59 == v50 )
+          continue;
+
+        auto v1 = &pVertices[pFace->pVertexIDs[k - 1]];
+        v25 = v2->x >= sX ? 0 : 2;
+        v26 = v25 | (v1->x < sX);
+
+        if (v26 == 3)
+          continue;
+
+        if (!v26)
+          ++v54;
+        else
+        {
+          if (v1->x >= v2->x)
+          {
+                        /*int _a58;
                         int _a59;
 
                         v32 = v1->x - v2->x;
                         LODWORD(v33) = v32 << 16;
-                        HIDWORD(v33) = v32 >> 16;
-                        _a58 = v33 / (v1->y - v2->y);
-                        _a59 = (unsigned __int64)(_a58 * (__int64)(sY - v2->y)) >> 16;
-
-                        if (v59 + pVertices[k].x > sX)
-                          ++v54;
-                      }
-                      else
-                      {
-                        int _a58;
+                        HIDWORD(v33) = v32 >> 16;*/
+                        //fixpoint_div(v1->x - v2->x, v1->y - v2->y);
+                        //_a58 = v33 / (v1->y - v2->y);
+                        //_a59 = fixpoint_mul(_a58, sY - v2->y);
+            auto x_div_y = fixpoint_div(v1->x - v2->x, v1->y - v2->y);
+            auto rval = fixpoint_mul(x_div_y, sY - v2->y);  // a / b * c  - looks like projection 
+            if (rval + v2->x > sX)
+              ++v54;
+          }
+          else
+          {
+            auto x_div_y = fixpoint_div(v2->x - v1->x, v2->y - v1->y);
+            auto res = fixpoint_mul(x_div_y, sY - v1->y);
+
+            if (res + v1->x > sX)
+              ++v54;
+
+                        /*int _a58;
                         int _a59;
-                        v32 = v2->x - v1->x;
+                        auto v32 = v2->x - v1->x;
                         LODWORD(v33) = v32 << 16;
                         HIDWORD(v33) = v32 >> 16;
                         _a58 = v33 / (v2->y - v1->y);
-                        _a59 = (unsigned __int64)(_a58 * (signed __int64)(sY - v1->y)) >> 16;
+                        _a59 = fixpoint_mul(_a58, sY - v1->y);
 
                         if (_a59 + pVertices[k].x > sX)
-                          ++v54;
-                      }
-                    }
-                  }
-                }
-
-                v59 = v50;
-              }
-
-              if (pFace->uNumVertices)
-              {
-                if (v54 == 1)
-                {
-                  v35 = v55++;
-                  v43[v35] = uFaceID;
-                }
-              }
-            }
+                          ++v54;*/
           }
-          v4 = v43[0];
         }
+      }
+
+      if (pFace->uNumVertices && v54 == 1)
+        v43[v55++] = uFaceID;
+    }
   }
 
+  v4 = v43[0];
   if ( v55 == 1 )
     return this->pFaces[v4].uSectorID;
   v37 = 0;