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changeset 1376:78671379d8da

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PortalFrustrum
author Ritor1
date Tue, 16 Jul 2013 11:55:36 +0600
parents 87155494292c
children 437d4ed49f26
files Indoor.cpp Indoor.h Indoor_stuff.h mm7_data.h
diffstat 4 files changed, 71 insertions(+), 103 deletions(-) [+]
line wrap: on
line diff
--- a/Indoor.cpp	Mon Jul 15 17:09:48 2013 +0600
+++ b/Indoor.cpp	Tue Jul 16 11:55:36 2013 +0600
@@ -63,7 +63,7 @@
 stru320 stru_F8AD28; // idb
 stru337 stru_F81018;
 stru167_wrap array_5118E8;
-BspRenderer_stru2 stru_F8A590;
+BspRenderer_PortalViewportData stru_F8A590;
 BspRenderer *pBspRenderer = new BspRenderer; // idb
 stru141 stru_721530;
 std::array<stru352, 480> stru_F83B80;
@@ -314,7 +314,7 @@
   }
   else for (uint j = 0; j < pBspRenderer->num_faces; ++j )
   {
-    pBLVRenderParams->field_7C = &pBspRenderer->nodes[pBspRenderer->faces[j].uNodeID].field_C;
+    pBLVRenderParams->field_7C = &pBspRenderer->nodes[pBspRenderer->faces[j].uNodeID].PortalScreenData;
     IndoorLocation::ExecDraw_sw(pBspRenderer->faces[j].uFaceID);
   }
 }
@@ -347,22 +347,22 @@
 	  for(int i=0; i < pBspRenderer->num_nodes; i++)
 	  {		 
 		  BspRenderer_stru0 *pNode = &pBspRenderer->nodes[i];
-		  v4 = pRenderer->uTargetSurfacePitch * pNode->field_C._viewport_space_y;
-		  if ( pNode->field_C._viewport_space_y <= pNode->field_C._viewport_space_w )
+		  v4 = pRenderer->uTargetSurfacePitch * pNode->PortalScreenData._viewport_space_y;
+		  if ( pNode->PortalScreenData._viewport_space_y <= pNode->PortalScreenData._viewport_space_w )
 		  {
 			//v5 = (char *)&pBspRenderer->nodes[0].field_C.array_3D8[pNode->field_C._viewport_space_y + v7];
-			v5 = &pNode->field_C.viewport_right_side[pNode->field_C._viewport_space_y];
-			v8 = &pNode->field_C.viewport_left_side[pNode->field_C._viewport_space_y];
+			v5 = &pNode->PortalScreenData.viewport_right_side[pNode->PortalScreenData._viewport_space_y];
+			v8 = &pNode->PortalScreenData.viewport_left_side[pNode->PortalScreenData._viewport_space_y];
 			do
 			{
 				v1[v4 + *v8] = 255;
-				++pNode->field_C._viewport_space_y;
+				++pNode->PortalScreenData._viewport_space_y;
 				v1[v4 + *v5] = 255;
 				v4 += pRenderer->uTargetSurfacePitch;
 				++v5;
 				++v8;
 			}
-			while ( pNode->field_C._viewport_space_y <= pNode->field_C._viewport_space_w );
+			while ( pNode->PortalScreenData._viewport_space_y <= pNode->PortalScreenData._viewport_space_w );
 		  }
 	  }
     }
@@ -1337,7 +1337,7 @@
       nodes[num_nodes].uViewportZ = pBLVRenderParams->uViewportZ;
       nodes[num_nodes].uViewportY = pBLVRenderParams->uViewportY;
       nodes[num_nodes].uViewportW = pBLVRenderParams->uViewportW;
-      nodes[num_nodes].field_C.GetViewportData(pBLVRenderParams->uViewportX, pBLVRenderParams->uViewportY,
+      nodes[num_nodes].PortalScreenData.GetViewportData(pBLVRenderParams->uViewportX, pBLVRenderParams->uViewportY,
                                        pBLVRenderParams->uViewportZ, pBLVRenderParams->uViewportW);
       AddBspNodeToRenderList(++num_nodes - 1);
       return;
@@ -1379,7 +1379,7 @@
       face_min_screenspace_x <= nodes[node_id].uViewportZ &&
       face_max_screenspace_y >= nodes[node_id].uViewportY &&
       face_min_screenspace_y <= nodes[node_id].uViewportW &&
-      PortalFrustrum(num_vertices, &nodes[num_nodes].field_C, &nodes[node_id].field_C, uFaceID))
+      PortalFrustrum(num_vertices, &nodes[num_nodes].PortalScreenData, &nodes[node_id].PortalScreenData, uFaceID))
   {
     pTransitionSector = pFace->uSectorID;
     if (nodes[node_id].uSectorID == pTransitionSector )
@@ -1481,7 +1481,7 @@
         v3->nodes[v3->num_nodes].uViewportZ = LOWORD(pBLVRenderParams->uViewportZ);
         v3->nodes[v3->num_nodes].uViewportY = LOWORD(pBLVRenderParams->uViewportY);
         v3->nodes[v3->num_nodes].uViewportW = LOWORD(pBLVRenderParams->uViewportW);
-        v3->nodes[v3->num_nodes++].field_C.GetViewportData(
+        v3->nodes[v3->num_nodes++].PortalScreenData.GetViewportData(
           SLOWORD(pBLVRenderParams->uViewportX),
           pBLVRenderParams->uViewportY,
           SLOWORD(pBLVRenderParams->uViewportZ),
@@ -1532,7 +1532,7 @@
           && v23 <= *((short *)v20 + 2007)
           && v12 >= *((short *)v20 + 2006)
           && v22 <= *((short *)v20 + 2008)
-          && PortalFrustrum(v10, &v3->nodes[v3->num_nodes].field_C, (BspRenderer_stru2 *)(v20 + 4020), uFaceID) )
+          && PortalFrustrum(v10, &v3->nodes[v3->num_nodes].PortalScreenData, (BspRenderer_PortalViewportData *)(v20 + 4020), uFaceID) )
         {
           v16 = v21->uSectorID;
           if ( *((short *)v20 + 2004) == v16 )
@@ -1587,7 +1587,7 @@
       if ( v1 < (signed int)pIndoor->uNumFaces )
       {
         v2 = pBspRenderer->faces[i].uFaceID;
-        pBLVRenderParams->field_7C = &pBspRenderer->nodes[pBspRenderer->faces[i].uNodeID].field_C;
+        pBLVRenderParams->field_7C = &pBspRenderer->nodes[pBspRenderer->faces[i].uNodeID].PortalScreenData;
         v3 = GetPortalScreenCoord(v2);
         if ( v3 )
         {
@@ -5734,7 +5734,7 @@
     pBspRenderer->nodes[0].uViewportZ = pBLVRenderParams->uViewportZ;
     pBspRenderer->nodes[0].uViewportY = pBLVRenderParams->uViewportY;
     pBspRenderer->nodes[0].uViewportX = pBLVRenderParams->uViewportX;
-    pBspRenderer->nodes[0].field_C.GetViewportData(pBLVRenderParams->uViewportX, pBLVRenderParams->uViewportY,
+    pBspRenderer->nodes[0].PortalScreenData.GetViewportData(pBLVRenderParams->uViewportX, pBLVRenderParams->uViewportY,
                                            pBLVRenderParams->uViewportZ, pBLVRenderParams->uViewportW);
     pBspRenderer->nodes[0].uFaceID = -1;
     pBspRenderer->nodes[0].viewing_portal_id = -1;
@@ -5746,7 +5746,7 @@
 }
 
 //----- (0043F9E1) --------------------------------------------------------
-void BspRenderer_stru2::GetViewportData(__int16 x, int y, __int16 z, int w)
+void BspRenderer_PortalViewportData::GetViewportData(__int16 x, int y, __int16 z, int w)
 {
   _viewport_space_y = y;
   _viewport_space_w = w;
@@ -6831,9 +6831,8 @@
   check_event_triggers();
 }
 //----- (00424829) --------------------------------------------------------
-bool PortalFrustrum(int pNumVertices, BspRenderer_stru2 *a2, BspRenderer_stru2 *a3, int uFaceID)
+bool PortalFrustrum(int pNumVertices, BspRenderer_PortalViewportData *far_portal, BspRenderer_PortalViewportData *near_portal, int uFaceID)
 {
-  //int v6; // eax@3
   int min_y; // esi@5
   int max_y; // edx@5
   int current_ID; // eax@12
@@ -6865,11 +6864,8 @@
   signed int direction1; // [sp+24h] [bp-1Ch]@3
   signed int direction2; // [sp+28h] [bp-18h]@3
   int min_y_ID; // [sp+2Ch] [bp-14h]@5
-  //int v68; // [sp+34h] [bp-Ch]@12
   int v69; // [sp+34h] [bp-Ch]@29
   int v70; // [sp+34h] [bp-Ch]@46
-  int v71; // [sp+34h] [bp-Ch]@75
-  int v72; // [sp+34h] [bp-Ch]@80
 
   if ( pNumVertices <= 1 )
     return false;
@@ -6906,8 +6902,8 @@
     return false;
 
   //*****************************************************************************************************************************
-  a2->_viewport_space_y = min_y;
-  a2->_viewport_space_w = max_y;
+  far_portal->_viewport_space_y = min_y;
+  far_portal->_viewport_space_w = max_y;
   current_ID = min_y_ID;
   min_y_ID2 = min_y_ID;
 
@@ -6942,7 +6938,7 @@
   {
     v62 = PortalFace._screen_space_x[min_y_ID2] << 16;
     v54 = ((PortalFace._screen_space_x[v13] - PortalFace._screen_space_x[min_y_ID2]) << 16) / (PortalFace._screen_space_y[v13] - PortalFace._screen_space_y[min_y_ID2]);
-    a2->viewport_left_side[min_y] = PortalFace._screen_space_x[min_y_ID2];
+    far_portal->viewport_left_side[min_y] = PortalFace._screen_space_x[min_y_ID2];
   }
   //****************************************************************************************************************************************
   //
@@ -6980,14 +6976,12 @@
   {
     v61 = PortalFace._screen_space_x[v20] << 16;
     v53 = ((PortalFace._screen_space_x[v19] - PortalFace._screen_space_x[v20]) << 16) / PortalFace._screen_space_y[v19] - PortalFace._screen_space_y[v20];
-    a2->viewport_right_side[max_y] = PortalFace._screen_space_x[v20];
+    far_portal->viewport_right_side[max_y] = PortalFace._screen_space_x[v20];
   }
   //****************************************************************************************************************************************
   v22 = min_y;
   if ( min_y <= max_y )
   {
-    //v56 = &a2->array_3D8[v7];
-    //v23 = &a2->array_18[v7];
     for ( v70 = min_y; v70 <= max_y; ++v70 )
     {
       v24 = v13;
@@ -7002,7 +6996,6 @@
         else
           v13 -= pNumVertices;
         v26 = v13;
-        //v27 = PortalFace._screen_space_y[v26] - PortalFace._screen_space_y[v24];
         if ( PortalFace._screen_space_y[v26] - PortalFace._screen_space_y[v24] > 0 )
         {
           v54 = ((PortalFace._screen_space_x[v26] - PortalFace._screen_space_x[v24]) << 16) / PortalFace._screen_space_y[v26] - PortalFace._screen_space_y[v24];
@@ -7021,113 +7014,88 @@
         else
           v18 -= pNumVertices;
         v31 = v18;
-        //v32 = PortalFace._screen_space_y[v31] - PortalFace._screen_space_y[v29];
         if ( PortalFace._screen_space_y[v31] - PortalFace._screen_space_y[v29] > 0 )
         {
           v53 = ((PortalFace._screen_space_x[v31] - PortalFace._screen_space_x[v29]) << 16) / PortalFace._screen_space_y[v31] - PortalFace._screen_space_y[v29];
           v61 = PortalFace._screen_space_x[v29] << 16;
         }
       }
-	  //v34 = (char *)a2->array_18 - (char *)a2->array_3D8;
-	  //v35 = *(__int16 *)((char *)&a2->array_3D8[v70] + v34);
-      //v35 = HIWORD(v62);
-      a2->viewport_left_side[v70] = HIWORD(v62);
-      a2->viewport_right_side[v70] = HIWORD(v61);
-      //v34 = &a2->array_3D8[v70];
-      //v35 = a2->array_3D8[v70];
-      if ( a2->viewport_left_side[v70] > a2->viewport_right_side[v70] )
+      far_portal->viewport_left_side[v70] = HIWORD(v62);
+      far_portal->viewport_right_side[v70] = HIWORD(v61);
+      if ( far_portal->viewport_left_side[v70] > far_portal->viewport_right_side[v70] )
       {
-        v36 = a2->viewport_left_side[v70] ^ a2->viewport_right_side[v70];
-        v37 = a2->viewport_right_side[v70];
-        a2->viewport_left_side[v70] = v36;
+        v36 = far_portal->viewport_left_side[v70] ^ far_portal->viewport_right_side[v70];
+        v37 = far_portal->viewport_right_side[v70];
+        far_portal->viewport_left_side[v70] = v36;
         v38 = v37 ^ v36;
-        a2->viewport_left_side[v70] ^= v38;
-        a2->viewport_right_side[v70] = v38;
+        far_portal->viewport_left_side[v70] ^= v38;
+        far_portal->viewport_right_side[v70] = v38;
       }
-      //++v56;
       v62 += v54;
       v22 = v70 + 1;
       v61 += v53;
-      //++v23;
     }
   }
-  if ( max_y < a3->_viewport_space_y )
+  //*****************************************************************************************************************************
+  // check portals coordinates and determine max, min(проверка координат порталов и определение макс, мин-ой у)
+  if ( max_y < near_portal->_viewport_space_y )
     return false;
-  if ( min_y > a3->_viewport_space_w )
+  if ( min_y > near_portal->_viewport_space_w )
     return false;
-  if ( min_y < a3->_viewport_space_y )
-    min_y = a3->_viewport_space_y;
-  if ( max_y > a3->_viewport_space_w )
-    max_y = a3->_viewport_space_w;
+  if ( min_y < near_portal->_viewport_space_y )
+    min_y = near_portal->_viewport_space_y;
+  if ( max_y > near_portal->_viewport_space_w )
+    max_y = near_portal->_viewport_space_w;
   if ( min_y <= max_y )
   {
-    //a3a = (char *)a2 - (char *)a3;
-    //v42 = &a3->array_3D8[v7];
-    //v57 = *(__int16 *)((char *)v42 + a3a);
-    for ( v71 = min_y; v71 <= max_y; ++v71 )
+    for ( min_y; min_y <= max_y; ++min_y )
     {
-      if ( a2->viewport_left_side[v71] >= a3->viewport_left_side[v71] && a2->viewport_left_side[v71] <= a3->viewport_right_side[v71] )
+      if ( far_portal->viewport_right_side[min_y] >= near_portal->viewport_left_side[min_y]
+        && far_portal->viewport_left_side[min_y] <= near_portal->viewport_right_side[min_y] )
         break;
-      //++v57;
-      ++min_y;
-      //++v42;
     }
   }
   if ( max_y < min_y )
     return false;
-  //a3a = (char *)a2 - (char *)a3;
-  //v43 = &a3->array_3D8[v8];
-  //v58 = *(__int16 *)((char *)v43 + a3a);
-  for ( v72 = max_y; v72 >= min_y; --v72 )
-  {
-    if ( a2->viewport_right_side[v72] >= a3->viewport_left_side[v72] && a2->viewport_left_side[v72] <= a3->viewport_right_side[v72] )
+  for ( max_y; max_y >= min_y; --max_y )
+  {
+    if ( far_portal->viewport_right_side[max_y] >= near_portal->viewport_left_side[max_y] 
+      && far_portal->viewport_left_side[max_y] <= near_portal->viewport_right_side[max_y] )
       break;
-    //--v58;
-    --max_y;
-    //--v43;
-    //v8 = v8;
   }
   if ( min_y >= max_y )
-    return false;
-  //a3b = (char *)a3 - (char *)a2;
+    return false;// incorect working portal faceID 1105(не доконца корректно работает портал фейс 1105 под определённым углом)
+  //*************************************************************************************************************************************
   v59 = min_y;
-  //v45 = &a2->array_18[v7];
-  
   for ( v46 = max_y - min_y + 1; v46; --v46 )
   {
-    //v47 = *(__int16 *)((char *)v45 + a3b);
-    if ( a2->viewport_left_side[v59] < a3->viewport_left_side[v59] )
-      a2->viewport_left_side[v59] = a3->viewport_left_side[v59];
-    if ( a2->viewport_right_side[v59] > a3->viewport_right_side[v59] )
-      a2->viewport_right_side[v59] = a3->viewport_right_side[v59];
+    if ( far_portal->viewport_left_side[v59] < near_portal->viewport_left_side[v59] )
+      far_portal->viewport_left_side[v59] = near_portal->viewport_left_side[v59];
+    if ( far_portal->viewport_right_side[v59] > near_portal->viewport_right_side[v59] )
+      far_portal->viewport_right_side[v59] = near_portal->viewport_right_side[v59];
     ++v59;
-    //++v45;
-  }
-  a2->_viewport_space_y = min_y;
-  a2->_viewport_space_w = max_y;
-  a2->field_8 = a2->viewport_left_side[min_y];
-  //v48 = a2->viewport_right_side[v7];
-  a2->field_10 = min_y;
-  a2->field_14 = min_y;
-  a2->field_C = a2->viewport_right_side[min_y];
+  }
+  far_portal->_viewport_space_y = min_y;
+  far_portal->_viewport_space_w = max_y;
+  far_portal->_viewport_space_x = far_portal->viewport_left_side[min_y];
+  far_portal->_viewport_x_minID = min_y;
+  far_portal->_viewport_z_maxID = min_y;
+  far_portal->_viewport_space_z = far_portal->viewport_right_side[min_y];
   v49 = min_y + 1;
   if ( v49 <= max_y )
   {
-    //v50 = &a2->array_3D8[v49];
     for ( v49; v49 <= max_y; ++v49 )
     {
-      //v51 = a2->array_18[v49];
-      if ( a2->viewport_left_side[v49] < a2->field_8 )
+      if ( far_portal->viewport_left_side[v49] < far_portal->_viewport_space_x )
       {
-        a2->field_8 = a2->viewport_left_side[v49];
-        a2->field_10 = v49;
+        far_portal->_viewport_space_x = far_portal->viewport_left_side[v49];
+        far_portal->_viewport_x_minID = v49;
       }
-      if ( a2->viewport_right_side[v49] > a2->field_C )
+      if ( far_portal->viewport_right_side[v49] > far_portal->_viewport_space_z )
       {
-        a2->field_C = a2->viewport_right_side[v49];
-        a2->field_14 = v49;
+        far_portal->_viewport_space_z = far_portal->viewport_right_side[v49];
+        far_portal->_viewport_z_maxID = v49;
       }
-      //++v50;
     }
   }
   return true;
--- a/Indoor.h	Mon Jul 15 17:09:48 2013 +0600
+++ b/Indoor.h	Tue Jul 16 11:55:36 2013 +0600
@@ -561,7 +561,7 @@
   int field_70;
   int uViewportCenterX;
   int uViewportCenterY;
-  struct BspRenderer_stru2 *field_7C;
+  struct BspRenderer_PortalViewportData *field_7C;
   unsigned int uNumFacesRenderedThisFrame;
   int field_84;
   int field_88;
--- a/Indoor_stuff.h	Mon Jul 15 17:09:48 2013 +0600
+++ b/Indoor_stuff.h	Tue Jul 16 11:55:36 2013 +0600
@@ -6,21 +6,21 @@
 
 /*  165 */
 #pragma pack(push, 1)
-struct BspRenderer_stru2
+struct BspRenderer_PortalViewportData
 {
   void GetViewportData(__int16 x, int y, __int16 z, int w);
 
   int _viewport_space_y;
   int _viewport_space_w;
-  int field_8;
-  int field_C;
-  int field_10;
-  int field_14;
+  int _viewport_space_x;
+  int _viewport_space_z;
+  int _viewport_x_minID;
+  int _viewport_z_maxID;
   __int16 viewport_left_side[480];
   __int16 viewport_right_side[480];
 };
 #pragma pack(pop)
-extern BspRenderer_stru2 stru_F8A590;
+extern BspRenderer_PortalViewportData stru_F8A590;
 
 
 
@@ -51,7 +51,7 @@
   unsigned __int16 uViewportZ;
   unsigned __int16 uViewportW;
   __int16 field_A;
-  BspRenderer_stru2 field_C;
+  BspRenderer_PortalViewportData PortalScreenData;
   unsigned __int16 uFaceID;
   __int16 field_7A6;
   unsigned int         viewing_portal_id;             // portal through which we're seeing this node
--- a/mm7_data.h	Mon Jul 15 17:09:48 2013 +0600
+++ b/mm7_data.h	Tue Jul 16 11:55:36 2013 +0600
@@ -1151,7 +1151,7 @@
 void __cdecl sub_423B4A();
 int __fastcall GetPortalScreenCoord(unsigned int uFaceID);
 signed int __fastcall sub_424579(int uFaceID, struct stru320 *a2);
-bool PortalFrustrum(int pNumVertices, struct BspRenderer_stru2 *a2, struct BspRenderer_stru2 *a3, int uFaceID);
+bool PortalFrustrum(int pNumVertices, struct BspRenderer_PortalViewportData *a2, struct BspRenderer_PortalViewportData *near_portal, int uFaceID);
 signed int __fastcall sr_424CD7(unsigned int uVertexID); // idb
 signed int __fastcall sr_424EE0_MakeFanFromTriangle(unsigned int uVertexID); // idb
 signed int __fastcall sr_4250FE(unsigned int uVertexID); // idb