# HG changeset patch
# User Ritor1
# Date 1360782826 -21600
# Node ID 3235bc4cf78e8d647a8910ec978d47d209a82670
# Parent  f4ebd13c2a8e6aa88701037503800bc828647feb
NPCDialogue

diff -r f4ebd13c2a8e -r 3235bc4cf78e Keyboard.cpp
--- a/Keyboard.cpp	Wed Feb 13 01:26:49 2013 +0600
+++ b/Keyboard.cpp	Thu Feb 14 01:13:46 2013 +0600
@@ -816,12 +816,12 @@
   }
   if ( a1 == VK_LEFT )
   {
-    v3 = ascii_4E2D48;
+    v3 = "LEFT";
     goto LABEL_53;
   }
   if ( a1 == VK_RIGHT )
   {
-    v3 = ascii_4E2D40;
+    v3 = "RIGHT";
     goto LABEL_53;
   }
   if ( a1 == VK_RETURN )
diff -r f4ebd13c2a8e -r 3235bc4cf78e Render.h
--- a/Render.h	Wed Feb 13 01:26:49 2013 +0600
+++ b/Render.h	Thu Feb 14 01:13:46 2013 +0600
@@ -70,6 +70,11 @@
   unsigned __int16 uPaletteSubindex;
   unsigned int uTintColor;
   SpriteFrame *pSpriteFrame;
+
+   inline float GetFloatZ() const
+ {
+  return LOWORD(sZValue) / 65535.0f + (float)HIWORD(sZValue);
+ }
 };
 #pragma pack(pop)
 
diff -r f4ebd13c2a8e -r 3235bc4cf78e Vis.cpp
--- a/Vis.cpp	Wed Feb 13 01:26:49 2013 +0600
+++ b/Vis.cpp	Thu Feb 14 01:13:46 2013 +0600
@@ -1410,9 +1410,9 @@
     memcpy(&v12, &v5[v8], sizeof(v12));
     memcpy(&v5[v8], v15, sizeof(v5[v8]));
     memcpy(v15, &v12, 0x20u);
-    __debugbreak();
-    //SortVerticesByX(v5, uStart, v8 - 1);
-    //SortVerticesByX(a2, v8 + 1, uEnd);
+    //__debugbreak();
+    SortVerticesByX(v5, uStart, v8 - 1);
+    SortVerticesByX(a2, v8 + 1, uEnd);
   }
   return true;
 }
@@ -1426,114 +1426,112 @@
   int i; // ecx@2
   int v8; // esi@3
   int v9; // esi@5
-  RenderVertexSoft *v10; // eax@8
+  //RenderVertexSoft *v10; // eax@8
+  const void *v10;
   RenderVertexSoft v11; // [sp+4h] [bp-6Ch]@8
   RenderVertexSoft v12; // [sp+34h] [bp-3Ch]@2
-  float v13; // [sp+4Ch] [bp-24h]@4
+  //float v13; // [sp+4Ch] [bp-24h]@4
   int v14; // [sp+64h] [bp-Ch]@7
-  Vis *thisa; // [sp+68h] [bp-8h]@1
-  RenderVertexSoft *v16; // [sp+6Ch] [bp-4h]@2
-
-  //__debugbreak();
+  //Vis *thisa; // [sp+68h] [bp-8h]@1
+  void *thisa;
+  //RenderVertexSoft *v16; // [sp+6Ch] [bp-4h]@2
+  const void *v16;
 
-  result = sRight;
   thisa = this;
-  if ( sRight > sLeft )
+  if (sRight <= sLeft)
+    return true;
+  v5 = pArray;
+  v16 = &pArray[sRight];
+  v6 = sLeft - 1;
+  memcpy(&v12, &pArray[sRight], sizeof(v12));
+  for ( i = sRight; ; i = v14 )
   {
-    v5 = pArray;
-    v16 = &pArray[sRight];
-    v6 = sLeft - 1;
-    memcpy(&v12, &pArray[sRight], sizeof(v12));
-    for ( i = sRight; ; i = v14 )
+    v8 = (int)&v5[v6].vWorldViewProjX;
+    do
     {
-      v8 = (int)&v5[v6].vWorldViewProjX;
-      do
-      {
-        v8 += 48;
-        ++v6;
-      }
-      while ( *(float *)v8 < (double)v13 );
-      v9 = (int)&v5[i].vWorldViewProjX;
-      do
-      {
-        v9 -= 48;
-        --i;
-      }
-      while ( *(float *)v9 > (double)v13 );
-      v14 = i;
-      if ( v6 >= i )
-        break;
-      v10 = &v5[i];
-      memcpy(&v11, &pArray[v6], sizeof(v11));
-      v5 = pArray;
-      memcpy(&pArray[v6], v10, sizeof(pArray[v6]));
-      memcpy(v10, &v11, 0x30u);
+      v8 += 48;
+      ++v6;
+    }
+    while ( *(float *)v8 < v12.vWorldViewProjX);
+    v9 = (int)&v5[i].vWorldViewProjX;
+    do
+    {
+      v9 -= 48;
+      --i;
     }
-    memcpy(&v11, &v5[v6], sizeof(v11));
-    memcpy(&v5[v6], v16, sizeof(v5[v6]));
-    memcpy(v16, &v11, 0x30u);
-    sort_objects_2(v5, sLeft, v6 - 1);
-    sort_objects_2(pArray, v6 + 1, sRight);
+    while ( *(float *)v9 > v12.vWorldViewProjX);
+    v14 = i;
+    if ( v6 >= i )
+      break;
+    v10 = &v5[i];
+    memcpy(&v11, &pArray[v6], sizeof(v11));
+    v5 = pArray;
+    memcpy(&pArray[v6], v10, sizeof(pArray[v6]));
+    memcpy((void *)v10, &v11, sizeof(0x30u));
   }
+  memcpy(&v11, &v5[v6], sizeof(v11));
+  memcpy(&v5[v6], v16, sizeof(v5[v6]));
+  memcpy((void *)v16, &v11, sizeof(0x30u));
+  sort_objects_2(v5, sLeft, v6 - 1);
+  sort_objects_2(pArray, v6 + 1, sRight);
   return true;
 }
 
 //----- (004C297E) --------------------------------------------------------
 bool Vis::sort_objects_3(RenderVertexSoft *pArray, int sLeft, int sRight)
 {
-  bool result; // eax@1
+  //bool result; // eax@1
   RenderVertexSoft *v5; // edx@2
   int v6; // ebx@2
   int i; // ecx@2
   int v8; // esi@3
   int v9; // esi@5
-  RenderVertexSoft *v10; // eax@8
-  char v11; // [sp+4h] [bp-6Ch]@8
+  //RenderVertexSoft *v10; // eax@8
+  const void *v10;
+  //char v11; // [sp+4h] [bp-6Ch]@8
+  RenderVertexSoft v11;
   RenderVertexSoft v12; // [sp+34h] [bp-3Ch]@2
-  float v13; // [sp+50h] [bp-20h]@4
+  //float v13; // [sp+50h] [bp-20h]@4
   int v14; // [sp+64h] [bp-Ch]@7
-  Vis *thisa; // [sp+68h] [bp-8h]@1
+  //Vis *thisa; // [sp+68h] [bp-8h]@1
   RenderVertexSoft *v16; // [sp+6Ch] [bp-4h]@2
 
-  result = sRight;
-  thisa = this;
-  if ( sRight > sLeft )
+  if (sRight <= sLeft)
+   return true;
+  v5 = pArray;
+  v16 = &pArray[sRight];
+  v6 = sLeft - 1;
+  memcpy(&v12, &pArray[sRight], sizeof(v12));
+  for ( i = sRight; ; i = v14 )
   {
-    v5 = pArray;
-    v16 = &pArray[sRight];
-    v6 = sLeft - 1;
-    memcpy(&v12, &pArray[sRight], sizeof(v12));
-    for ( i = sRight; ; i = v14 )
+    v8 = (int)&v5[v6].vWorldViewProjY;
+    do
+    {
+      v8 += 48;
+      ++v6;
+    }
+    while ( *(float *)v8 < v12.vWorldViewProjY);
+    v9 = (int)&v5[v6].vWorldViewProjY;
+    do
     {
-      v8 = (int)&v5[v6].vWorldViewProjY;
-      do
-      {
-        v8 += 48;
-        ++v6;
-      }
-      while ( *(float *)v8 < (double)v13 );
-      v9 = (int)&v5[i].vWorldViewProjY;
-      do
-      {
-        v9 -= 48;
-        --i;
-      }
-      while ( *(float *)v9 > (double)v13 );
-      v14 = i;
-      if ( v6 >= i )
-        break;
-      v10 = &v5[i];
-      memcpy(&v11, &pArray[v6], 0x30u);
-      v5 = pArray;
-      memcpy(&pArray[v6], v10, sizeof(pArray[v6]));
-      memcpy(v10, &v11, 0x30u);
+      v9 -= 48;
+      --i;
     }
-    memcpy(&v11, &v5[v6], 0x30u);
-    memcpy(&v5[v6], v16, sizeof(v5[v6]));
-    memcpy(v16, &v11, 0x30u);
-    sort_objects_3(v5, sLeft, v6 - 1);
-    sort_objects_3(pArray, v6 + 1, sRight);
+    while ( *(float *)v9 > v12.vWorldViewProjY);
+    v14 = i;
+    if ( v6 >= i )
+      break;
+    v10 = &v5[i];
+    memcpy(&v11, &pArray[v6], sizeof(0x30));
+    v5 = pArray;
+    memcpy(&pArray[v6], v10, sizeof(pArray[v6]));
+    memcpy((void *)v10, &v11, sizeof(0x30));
   }
+  memcpy(&v11, &v5[v6], sizeof(0x30));
+  memcpy(&v5[v6], v16, sizeof(v5[v6]));
+  memcpy((void *)v16, &v11, sizeof(0x30));
+  sort_objects_3(v5, sLeft, v6 - 1);
+  sort_objects_3(pArray, v6 + 1, sRight);
   return true;
 }
 
@@ -1759,232 +1757,162 @@
 //----- (004C091D) --------------------------------------------------------
 bool Vis::DoesRayIntersectBillboard(float fDepth, unsigned int uD3DBillboardIdx)
 {
-  unsigned int v3; // esi@3
-  bool result; // eax@3
-  int v5; // ecx@4
-  double v6; // st7@4
-  __int16 v7; // fps@4
-  double v8; // st7@4
-  unsigned __int8 v9; // c0@4
-  char v10; // c2@4
-  unsigned __int8 v11; // c3@4
-  Vis_stru1_stru0 *v12; // eax@10
-  __int16 v13; // fps@16
-  double v14; // st7@16
-  char v15; // c0@16
-  char v16; // c2@16
-  char v17; // c3@16
-  double v18; // st7@18
-  double v19; // st6@18
-  double v20; // st4@18
-  float v21; // ST0C_4@22
-  float v22; // ST08_4@22
-  signed int v23; // eax@27
-  double v24; // st7@32
-  double v25; // st6@32
-  float v26; // eax@32
-  double v27; // st7@36
-  double v28; // st6@36
-  __int16 v29; // fps@36
-  char v30; // c0@36
-  char v31; // c2@36
-  char v32; // c3@36
-  double v33; // st6@37
-  __int16 v34; // fps@37
-  char v35; // c0@37
-  char v36; // c2@37
-  char v37; // c3@37
-  __int16 v38; // fps@38
-  double v39; // st6@38
-  unsigned __int8 v40; // c0@38
-  char v41; // c2@38
-  unsigned __int8 v42; // c3@38
-  __int16 v43; // fps@39
-  double v44; // st6@39
-  char v45; // c0@39
-  char v46; // c2@39
-  char v47; // c3@39
-  Vis *v48; // esi@40
-  float v49; // ST08_4@40
-  Vis_stru1_stru0 *v50; // eax@45
-  RenderVertexSoft pRay[2]; // [sp+20h] [bp-DCh]@5
-  RenderVertexSoft a3[2]; // [sp+80h] [bp-7Ch]@22
-  float v53; // [sp+E0h] [bp-1Ch]@33
-  float v54; // [sp+E4h] [bp-18h]@32
-  float fBillboardCenterX; // [sp+E8h] [bp-14h]@5
-  float fBillboardCenterY; // [sp+ECh] [bp-10h]@5
-  unsigned int v57; // [sp+F0h] [bp-Ch]@5
-  float v58; // [sp+F4h] [bp-8h]@17
-  Vis *thisa; // [sp+F8h] [bp-4h]@1
-  signed int a3a; // [sp+108h] [bp+Ch]@17
-  float a3b; // [sp+108h] [bp+Ch]@32
-
-  thisa = this;
+  int v3; // eax@3
+  //signed int v5; // ecx@4
+  //float v6; // ST04_4@6
+  //float v7; // ST00_4@7
+  int v8; // eax@10
+  unsigned int v9; // eax@12
+  int v10; // eax@17
+  double v11; // st6@18
+  double v12; // st7@18
+  double v13; // st4@18
+  float v14; // ST0C_4@22
+  float v15; // ST08_4@22
+  //float v16; // ST04_4@23
+  //float v17; // ST00_4@24
+  signed int v18; // eax@27
+  unsigned int v19; // eax@29
+  double v20; // st6@32
+  double v21; // st7@32
+  int v22; // eax@32
+  double v23; // st7@36
+  //void *v24; // esi@40
+  float v25; // ST08_4@40
+  //float v26; // ST04_4@41
+  //float v27; // ST00_4@42
+  int v28; // eax@45
+  unsigned int v29; // eax@47
+  char result; // al@48
+  struct RenderVertexSoft pPickingRay[2];
+  //int v31; // [sp+20h] [bp-DCh]@5
+  struct RenderVertexSoft local_80[2];
+  //int v32; // [sp+80h] [bp-7Ch]@22
+  float v33; // [sp+E0h] [bp-1Ch]@33
+  float v34; // [sp+E4h] [bp-18h]@32
+  int v35; // [sp+E8h] [bp-14h]@5
+  int v36; // [sp+ECh] [bp-10h]@5
+  unsigned int v37; // [sp+F0h] [bp-Ch]@5
+  float v38; // [sp+F4h] [bp-8h]@17
+  //void *v39; // [sp+F8h] [bp-4h]@1
+  signed int v40; // [sp+108h] [bp+Ch]@17
+  float v41; // [sp+108h] [bp+Ch]@32
 
   static Vis_stru1 Vis_static_stru_F91E10;
-
   Vis_static_stru_F91E10.uNumPointers = 0;
-  v3 = uD3DBillboardIdx;
-  result = pRenderer->pBillboardRenderListD3D[uD3DBillboardIdx].uParentBillboardID;
-  if ( result != -1
-    && (v5 = pBillboardRenderList[result].sZValue,
-        v6 = (double)(unsigned __int16)pBillboardRenderList[result].sZValue,
-        result = v5 >> 16,
-        v8 = v6 * 0.000015259022 + (double)(v5 >> 16),
-        //UNDEF(v7),
-        v9 = v8 < fDepth,
-        v10 = 0,
-        v11 = v8 == fDepth,
-        //BYTE1(result) = HIBYTE(v7),
-        v9 | v11) )
+  v3 = pRenderer->pBillboardRenderListD3D[uD3DBillboardIdx].uParentBillboardID;
+  if (v3 == -1)
+    return false;
+  if (pBillboardRenderList[v3].GetFloatZ() > fDepth)
   {
-    LOWORD(v5) = 0;
-    v57 = v5;
-    GetPolygonCenter(
-      pRenderer->pBillboardRenderListD3D[v3].pQuards,
-      4u,
-      &fBillboardCenterX,
-      &fBillboardCenterY);
-    CastPickRay(pRay, fBillboardCenterX, fBillboardCenterY, fDepth);
-    if ( uCurrentlyLoadedLevelType == LEVEL_Indoor )
-      PickIndoor(fDepth, pRay, &Vis_static_stru_F91E10, &a5);
+LABEL_49:
+    return false;
+  }
+  else
+  {
+    v37 = pBillboardRenderList[v3].sZValue & 0xFFFF0000;
+    GetPolygonCenter(pRenderer->pBillboardRenderListD3D[v3].pQuards, 4, (float *)&v35, (float *)&v36);
+    this->CastPickRay(pPickingRay, *(float *)&v35, *(float *)&v36, fDepth);
+    if (uCurrentlyLoadedLevelType == 1)
+      PickIndoor(fDepth, pPickingRay, &Vis_static_stru_F91E10, &a5);
     else
-      PickOutdoor(fDepth, pRay, &Vis_static_stru_F91E10, &a5, 0);
+      PickOutdoor(fDepth, pPickingRay, &Vis_static_stru_F91E10, &a5, 0);
     Vis_static_stru_F91E10.create_object_pointers(0);
     sort_object_pointers(Vis_static_stru_F91E10.array_1804, 0, Vis_static_stru_F91E10.uNumPointers - 1);
-    HIWORD(result) = HIWORD(Vis_static_stru_F91E10.uNumPointers);
-    if ( Vis_static_stru_F91E10.uNumPointers
-      && ((signed int)Vis_static_stru_F91E10.uNumPointers <= 0 ? (v12 = 0) : (v12 = Vis_static_stru_F91E10.array_1804[0]),
-          result = v12->sZValue,
-          LOWORD(result) = 0,
-          result <= v57)
-      || (double)(signed int)pViewport->uScreenX > fBillboardCenterX
-      || (double)(signed int)pViewport->uScreenZ < fBillboardCenterX
-      || (double)(signed int)pViewport->uScreenY > fBillboardCenterY
-      || (v14 = (double)(signed int)pViewport->uScreenW,
-          //UNDEF(v13),
-          v15 = v14 < fBillboardCenterY,
-          v16 = 0,
-          v17 = v14 == fBillboardCenterY,
-          //BYTE1(result) = HIBYTE(v13),
-          v14 < fBillboardCenterY) )
+    if (Vis_static_stru_F91E10.uNumPointers)
     {
-      a3a = 0;
-      result = (bool)&pRenderer->pBillboardRenderListD3D[v3].pQuards[0].pos.y;
-
-      __debugbreak();
-      {
-      LODWORD(v58) = (int)((char *)&pRenderer + v3 * 156 + 1062620);// pBillboardRenderListD3D+0x0C
-      }
-
+     if (Vis_static_stru_F91E10.uNumPointers <= 0)
+       v8 = 0;
+     else v8 = (int)Vis_static_stru_F91E10.array_1804;
+     v9 = *(_DWORD *)(v8 + 4);
+     LOWORD(v9) = 0;
+     if (v9 > v37)
+       return 1;
+    }
+    else if ((double)(pViewport->uScreenX) <= *(float *)&v35 &&
+             (double)pViewport->uScreenZ >= *(float *)&v35 &&
+             (double)pViewport->uScreenY <= *(float *)&v36 &&
+             (double)pViewport->uScreenW >= *(float *)&v36)
+      return 1;
+      v40 = 0;
+      v10 = (int)&pRenderer->pBillboardRenderListD3D[uD3DBillboardIdx].pQuards[0].pos.y;
+      LODWORD(v38) = (int)&pRenderer->pBillboardRenderListD3D[uD3DBillboardIdx].pQuards[0].pos.y;
       while ( 1 )
       {
-        v18 = *(float *)(result - 4);
-        v19 = *(float *)result;
-        v20 = *(float *)(result - 4);
+        v12 = *(float *)(v10 - 4);
+        v11 = *(float *)v10;
+        v13 = *(float *)(v10 - 4);
         Vis_static_stru_F91E10.uNumPointers = 0;
-        if ( v20 >= (double)(signed int)pViewport->uScreenX )
+        if ( v13 >= (double)(pViewport->uScreenX))
         {
-          if ( v18 <= (double)(signed int)pViewport->uScreenZ
-            && v19 >= (double)(signed int)pViewport->uScreenY
-            && v19 <= (double)(signed int)pViewport->uScreenW )
+          if ( v12 <= (double)pViewport->uScreenZ )
           {
-            v21 = v19;
-            v22 = v18;
-            CastPickRay(a3, v22, v21, fDepth);
-            if ( uCurrentlyLoadedLevelType == LEVEL_Indoor )
-              PickIndoor(fDepth, a3, &Vis_static_stru_F91E10, &a5);
-            else
-              PickOutdoor(fDepth, a3, &Vis_static_stru_F91E10, &a5, 0);
-            Vis_static_stru_F91E10.create_object_pointers(0);
-            sort_object_pointers(
-              Vis_static_stru_F91E10.array_1804,
-              0,
-              Vis_static_stru_F91E10.uNumPointers - 1);
-            result = Vis_static_stru_F91E10.uNumPointers;
-            if ( !Vis_static_stru_F91E10.uNumPointers )
-              break;
-            v23 = (signed int)(Vis_static_stru_F91E10.uNumPointers <= 0 ? 0 : Vis_static_stru_F91E10.array_1804[0]);
-            result = *(int *)(v23 + 4);
-            LOWORD(result) = 0;
-            if ( result > v57 )
-              break;
+            if ( v11 >= (double)pViewport->uScreenY )
+            {
+              if ( v11 <= (double)pViewport->uScreenW )
+              {
+                v14 = v11;
+                v15 = v12;
+                CastPickRay(local_80, SLODWORD(v15), v14, fDepth);
+                if ( uCurrentlyLoadedLevelType == 1 )
+                  PickIndoor(fDepth, local_80, &Vis_static_stru_F91E10, &a5);
+                else
+                  PickOutdoor(fDepth, local_80, &Vis_static_stru_F91E10, &a5, 0);
+                Vis_static_stru_F91E10.create_object_pointers(0);
+                sort_object_pointers(Vis_static_stru_F91E10.array_1804, 0, Vis_static_stru_F91E10.uNumPointers - 1);
+                if ( !Vis_static_stru_F91E10.uNumPointers )
+                  break;
+                v18 = Vis_static_stru_F91E10.uNumPointers <= 0 ? 0 : (int)Vis_static_stru_F91E10.array_1804;
+                v19 = *(_DWORD *)(v18 + 4);
+                LOWORD(v19) = 0;
+                if ( v19 > v37 )
+                  break;
+              }
+            }
           }
         }
-        ++a3a;
-        result = LODWORD(v58) + 32;
-        LODWORD(v58) += 32;
-        if ( a3a >= 4 )
+        ++v40;
+        v10 = LODWORD(v38) + 32;
+        LODWORD(v38) += 32;
+        if ( v40 >= 4 )
         {
-          if ( uCurrentlyLoadedLevelType != LEVEL_Outdoor )
-            goto LABEL_49;
-          v24 = pRenderer->pBillboardRenderListD3D[v3].pQuards[0].pos.x;
-          v25 = pRenderer->pBillboardRenderListD3D[v3].pQuards[3].pos.x;
-          v26 = pRenderer->pBillboardRenderListD3D[v3].pQuards[0].pos.y;
-          v54 = pRenderer->pBillboardRenderListD3D[v3].pQuards[3].pos.x;
-          v58 = v26;
-          result = LODWORD(pRenderer->pBillboardRenderListD3D[v3].pQuards[1].pos.y);
-          a3b = pRenderer->pBillboardRenderListD3D[v3].pQuards[1].pos.y;
-          if ( v24 > v25 )
+          if ( uCurrentlyLoadedLevelType != 2 )
+            return false;
+          v21 = pRenderer->pBillboardRenderListD3D[uD3DBillboardIdx].pQuards[0].pos.x;
+          v20 = pRenderer->pBillboardRenderListD3D[uD3DBillboardIdx].pQuards[3].pos.x;
+          v22 = *(int *)(&pRenderer->pBillboardRenderListD3D[uD3DBillboardIdx].pQuards[0].pos.y);
+          v34 = pRenderer->pBillboardRenderListD3D[uD3DBillboardIdx].pQuards[3].pos.x;
+          LODWORD(v38) = v22;
+          v41 = pRenderer->pBillboardRenderListD3D[uD3DBillboardIdx].pQuards[1].pos.y;
+          if ( v21 > v20 )
           {
-            v53 = v24;
-            v24 = v54;
-            v25 = v53;
+            v33 = v21;
+            v21 = v34;
+            v20 = v33;
           }
-          if ( v58 > (double)a3b )
-            a3b = v58;
-          if ( (Vis_static_stru_F91E10.uNumPointers = 0,
-                v27 = (v25 - v24) * 0.5,
-                v28 = (double)(signed int)pViewport->uScreenX,
-                //UNDEF(v29),
-                v30 = v27 < v28,
-                v31 = 0,
-                v32 = v27 == v28,
-                BYTE1(result) = HIBYTE(v29),
-                v27 < v28)
-            || (v33 = (double)(signed int)pViewport->uScreenZ,
-                //UNDEF(v34),
-                v35 = v27 < v33,
-                v36 = 0,
-                v37 = v27 == v33,
-                BYTE1(result) = HIBYTE(v34),
-                v27 > v33)
-            || (v39 = (double)(signed int)pViewport->uScreenY,
-                //UNDEF(v38),
-                v40 = v39 < a3b,
-                v41 = 0,
-                v42 = v39 == a3b,
-                BYTE1(result) = HIBYTE(v38),
-                !(v40 | v42))
-            || (v44 = (double)(signed int)pViewport->uScreenW,
-                //UNDEF(v43),
-                v45 = v44 < a3b,
-                v46 = 0,
-                v47 = v44 == a3b,
-                BYTE1(result) = HIBYTE(v43),
-                v44 < a3b)
-            || ((v48 = thisa, v49 = v27, CastPickRay(a3, v49, a3b, fDepth), uCurrentlyLoadedLevelType != LEVEL_Indoor) ? PickOutdoor(fDepth, a3, &Vis_static_stru_F91E10, &a5, 0) : PickIndoor(fDepth, a3, &Vis_static_stru_F91E10, &a5),
-                (Vis_static_stru_F91E10.create_object_pointers(0),
-                 sort_object_pointers(
-                   Vis_static_stru_F91E10.array_1804,
-                   0,
-                   Vis_static_stru_F91E10.uNumPointers - 1),
-                 (result = Vis_static_stru_F91E10.uNumPointers) != 0)
-             && ((signed int)Vis_static_stru_F91E10.uNumPointers <= 0 ? (v50 = 0) : (v50 = Vis_static_stru_F91E10.array_1804[0]),
-                 result = v50->sZValue,
-                 LOWORD(result) = 0,
-                 result <= v57)) )
-            goto LABEL_49;
+          if ( v38 > (double)v41 )
+            v41 = v38;
+          Vis_static_stru_F91E10.uNumPointers = 0;
+          v23 = (v20 - v21) * 0.5;
+          if ( v23 < (double)(pViewport->uScreenX)
+            || v23 > (double)pViewport->uScreenZ
+            || (double)pViewport->uScreenY > v41
+            || (double)pViewport->uScreenW < v41
+            || ((v25 = v23, CastPickRay(local_80, SLODWORD(v25), v41, fDepth), uCurrentlyLoadedLevelType != 1) ? 
+             (PickOutdoor(fDepth, local_80, &Vis_static_stru_F91E10, &a5, 0)) : 
+             (PickIndoor(fDepth, local_80, &Vis_static_stru_F91E10, &a5)),
+             (Vis_static_stru_F91E10.create_object_pointers(0),
+              sort_object_pointers(Vis_static_stru_F91E10.array_1804, 0, Vis_static_stru_F91E10.uNumPointers - 1),
+              Vis_static_stru_F91E10.uNumPointers)
+             && (Vis_static_stru_F91E10.uNumPointers <= 0 ? (v28 = 0) : (v28 = (int)Vis_static_stru_F91E10.array_1804),
+                 v29 = *(_DWORD *)(v28 + 4),
+                 LOWORD(v29) = 0,
+                 v29 <= v37)) )
+            return false;
           break;
         }
       }
-    }
-    LOBYTE(result) = 1;
-  }
-  else
-  {
-LABEL_49:
-    return false;
+    result = 1;
   }
   return result;
 }