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changeset 1903:79ac2dbedfb9

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ODM_NearClip and ODM_FarClip
author Ritor1
date Mon, 21 Oct 2013 17:08:14 +0600
parents 39b6d789cbfc
children 1a1c4040bee4
files Render.cpp _deleted.cpp mm7_1.cpp mm7_data.h
diffstat 4 files changed, 62 insertions(+), 144 deletions(-) [+]
line wrap: on
line diff
--- a/Render.cpp	Mon Oct 21 10:07:32 2013 +0600
+++ b/Render.cpp	Mon Oct 21 17:08:14 2013 +0600
@@ -8727,9 +8727,60 @@
     break;
   }
 }
-
+//----- (00424CD7) --------------------------------------------------------
+int ODM_NearClip(unsigned int num_vertices)
+{
+  bool current_vertices_flag; // edi@1
+  bool next_vertices_flag; // [sp+Ch] [bp-24h]@6
+  double t; // st6@10
+  int pNextVertices;
+
+  if (!num_vertices)
+    return 0;
+
+  memcpy(&array_50AC10[num_vertices], array_50AC10, sizeof(array_50AC10[0]));
+  current_vertices_flag = 0;
+  if ( array_50AC10[0].vWorldViewPosition.x >= 8.0 )
+    current_vertices_flag = 1;
+
+  int out_num_vertices = 0;
+  for (int i = 0; i < num_vertices; ++i)
+  {
+    next_vertices_flag = array_50AC10[i + 1].vWorldViewPosition.x >= 8.0;
+    if ( current_vertices_flag != next_vertices_flag )
+    {
+      if ( next_vertices_flag )
+      {
+        //t = neer_clip - v0.x / v1.x - v0.x    (формула получения точки пересечения отрезка с плоскостью)
+        t = (8.0 - array_50AC10[i].vWorldViewPosition.x) / (array_50AC10[i + 1].vWorldViewPosition.x - array_50AC10[i].vWorldViewPosition.x);
+        array_507D30[out_num_vertices].vWorldViewPosition.y = (array_50AC10[i + 1].vWorldViewPosition.y - array_50AC10[i].vWorldViewPosition.y) * t + array_50AC10[i].vWorldViewPosition.y;
+        array_507D30[out_num_vertices].vWorldViewPosition.z = (array_50AC10[i + 1].vWorldViewPosition.z - array_50AC10[i].vWorldViewPosition.z) * t + array_50AC10[i].vWorldViewPosition.z;
+        array_507D30[out_num_vertices].u = (array_50AC10[i + 1].u - array_50AC10[i].u) * t + array_50AC10[i].u;
+        array_507D30[out_num_vertices].v = (array_50AC10[i + 1].v - array_50AC10[i].v) * t + array_50AC10[i].v;
+      }
+      else
+      {
+        t = (8.0 - array_50AC10[i + 1].vWorldViewPosition.x) / (array_50AC10[i].vWorldViewPosition.x - array_50AC10[i + 1].vWorldViewPosition.x);
+        array_507D30[out_num_vertices].vWorldViewPosition.y = (array_50AC10[i].vWorldViewPosition.y - array_50AC10[i + 1].vWorldViewPosition.y) * t + array_50AC10[i + 1].vWorldViewPosition.y;
+        array_507D30[out_num_vertices].vWorldViewPosition.z = (array_50AC10[i].vWorldViewPosition.z - array_50AC10[i + 1].vWorldViewPosition.z) * t + array_50AC10[i + 1].vWorldViewPosition.z;
+        array_507D30[out_num_vertices].u = (array_50AC10[i].u - array_50AC10[i + 1].u) * t + array_50AC10[i + 1].u;
+        array_507D30[out_num_vertices].v = (array_50AC10[i].v - array_50AC10[i + 1].v) * t + array_50AC10[i + 1].v;
+      }
+      array_507D30[out_num_vertices].vWorldViewPosition.x = 8.0;
+      array_507D30[out_num_vertices]._rhw = 1.0 / 8.0;
+      ++out_num_vertices;
+    }
+    if ( next_vertices_flag )
+    {
+      pNextVertices = out_num_vertices++;
+      memcpy(&array_507D30[pNextVertices], &array_50AC10[i + 1], 0x30);
+    }
+    current_vertices_flag = next_vertices_flag;
+  }
+  return out_num_vertices >= 3 ? out_num_vertices : 0;
+}
 //----- (00424EE0) --------------------------------------------------------
-int BuildingVerticesClipping(unsigned int uNumVertices)
+int ODM_FarClip(unsigned int uNumVertices)
 {
   signed int previous_vertices_flag; // edi@1
   double t; // st6@10
@@ -8960,13 +9011,13 @@
                 pGame->pLightmapBuilder->ApplyLights(&stru_F8AD28, &static_RenderBuildingsD3D_stru_73C834, uNumVertices, array_50AC10, 0, (char)v31);
               if ( v50 )
               {
-                array_77EC08[pODMRenderParams->uNumPolygons].uNumVertices = sr_424CD7(pOutdoor->pBModels[model_id].pFaces[face_id].uNumVertices);
+                array_77EC08[pODMRenderParams->uNumPolygons].uNumVertices = ODM_NearClip(pOutdoor->pBModels[model_id].pFaces[face_id].uNumVertices);
                 uNumVertices = array_77EC08[pODMRenderParams->uNumPolygons].uNumVertices;
                 ODM_Project(array_77EC08[pODMRenderParams->uNumPolygons].uNumVertices);
               }
               if ( v49 )
               {
-                array_77EC08[pODMRenderParams->uNumPolygons].uNumVertices = BuildingVerticesClipping(pOutdoor->pBModels[model_id].pFaces[face_id].uNumVertices);
+                array_77EC08[pODMRenderParams->uNumPolygons].uNumVertices = ODM_FarClip(pOutdoor->pBModels[model_id].pFaces[face_id].uNumVertices);
                 uNumVertices = array_77EC08[pODMRenderParams->uNumPolygons].uNumVertices;
                 ODM_Project(array_77EC08[pODMRenderParams->uNumPolygons].uNumVertices);
               }
--- a/_deleted.cpp	Mon Oct 21 10:07:32 2013 +0600
+++ b/_deleted.cpp	Mon Oct 21 17:08:14 2013 +0600
@@ -8804,7 +8804,7 @@
           {
             if ( this_3 )
             {
-              v36 = sr_424CD7(v34);
+              v36 = ODM_NearClip(v34);
               pTile->uNumVertices = v36;
               ODMRenderParams::Project(v36);
             }
@@ -8948,7 +8948,7 @@
       {
         if ( this_3a )
         {
-          v56 = sr_424CD7(v55);
+          v56 = ODM_NearClip(v55);
         }
         else
         {
@@ -9072,7 +9072,7 @@
         goto LABEL_154;
       if ( this_3b )
       {
-        v73 = sr_424CD7(v72);
+        v73 = ODM_NearClip(v72);
       }
       else
       {
@@ -9335,7 +9335,7 @@
   while ( v20 < (signed int)v5 );
   if ( v20 >= (signed int)v5 )
     return 0;
-  result = sr_424CD7(v5);
+  result = ODM_NearClip(v5);
   if ( result > 0 )
   {
     __asm { fild    pBLVRenderParams->field_40 }
--- a/mm7_1.cpp	Mon Oct 21 10:07:32 2013 +0600
+++ b/mm7_1.cpp	Mon Oct 21 17:08:14 2013 +0600
@@ -378,137 +378,4 @@
     uGameUIFontShadow = TargetColor(255, 255, 255);
   }
   else Error("Invalid alignment type: %u", align);
-}
-
-//----- (00424CD7) --------------------------------------------------------
-int sr_424CD7(unsigned int num_vertices)
-{
-  //unsigned int v1; // edx@1
-  signed int v2; // edi@1
-  char *v3; // esi@4
-  char *v4; // ecx@4
-  //unsigned int v5; // eax@4
-  char *v6; // edx@4
-  double v7; // st6@10
-  double v8; // st5@10
-  double v9; // st6@11
-  unsigned __int8 v10; // c2@15
-  unsigned __int8 v11; // c3@15
-  RenderVertexSoft *v12; // edi@22
-  char *v13; // eax@22
-  double v14; // st6@22
-  //signed int result; // eax@24
-  //unsigned int v16; // [sp+8h] [bp-28h]@4
-  bool v17; // [sp+Ch] [bp-24h]@6
-  char *v18; // [sp+10h] [bp-20h]@4
-  char *v19; // [sp+14h] [bp-1Ch]@4
-  //signed int v20; // [sp+18h] [bp-18h]@1
-  RenderVertexSoft *v21; // [sp+1Ch] [bp-14h]@4
-  char *v22; // [sp+20h] [bp-10h]@4
-  char *v23; // [sp+24h] [bp-Ch]@4
-  char *v24; // [sp+28h] [bp-8h]@4
-  char *v25; // [sp+2Ch] [bp-4h]@4
-  
-  if (!num_vertices)
-    return 0;
-
-  //v1 = uVertexID;
-  memcpy(&array_50AC10[num_vertices], array_50AC10, sizeof(array_50AC10[0]));
-  v2 = 0;
-  //v20 = 0;
-  if ( array_50AC10[0].vWorldViewPosition.x >= 8.0 )
-    v2 = 1;
-  v3 = (char *)&array_507D30[0].vWorldViewPosition.z;
-  v4 = (char *)&array_507D30[0].vWorldViewPosition.y;
-  //v5 = v1;
-  v23 = (char *)&array_507D30[0]._rhw;
-  v21 = array_507D30;
-  v18 = (char *)&array_507D30[0].vWorldViewPosition.z;
-  v19 = (char *)&array_507D30[0].vWorldViewPosition.y;
-  v22 = (char *)&array_507D30[0].vWorldViewPosition;
-  v24 = (char *)&array_507D30[0].v;
-  v25 = (char *)&array_507D30[0].u;
-  v6 = (char *)&array_50AC10[0].v;
-  //v16 = v1;
-
-  int out_num_vertices = 0;
-  for (int i = 0; i < num_vertices; ++i)
-  {
-    v17 = *((float *)v6 + 5) >= 8.0;
-    if ( v2 != v17 )
-    {
-      if ( v17 )
-      {
-        v7 = (8.0 - *((float *)v6 - 7)) / (*((float *)v6 + 5) - *((float *)v6 - 7));
-        *(float *)v4 = (*((float *)v6 + 6) - *((float *)v6 - 6)) * v7 + *((float *)v6 - 6);
-        *(float *)v3 = (*((float *)v6 + 7) - *((float *)v6 - 5)) * v7 + *((float *)v6 - 5);
-        *(float *)v25 = (*((float *)v6 + 11) - *((float *)v6 - 1)) * v7 + *((float *)v6 - 1);
-        v8 = (*((float *)v6 + 12) - *(float *)v6) * v7 + *(float *)v6;
-      }
-      else
-      {
-        v9 = (8.0 - *((float *)v6 + 5)) / (*((float *)v6 - 7) - *((float *)v6 + 5));
-        *(float *)v4 = (*((float *)v6 - 6) - *((float *)v6 + 6)) * v9 + *((float *)v6 + 6);
-        *(float *)v3 = (*((float *)v6 - 5) - *((float *)v6 + 7)) * v9 + *((float *)v6 + 7);
-        *(float *)v25 = (*((float *)v6 - 1) - *((float *)v6 + 11)) * v9 + *((float *)v6 + 11);
-        v8 = (*(float *)v6 - *((float *)v6 + 12)) * v9 + *((float *)v6 + 12);
-      }
-      *(float *)v24 = v8;
-      *(float *)v22 = 8.0;
-      *(int *)v23 = 0x3E000000u;
-      if ( v2 )
-      {
-        if ( 8.0 == *((float *)v6 - 7) && *(float *)v4 == *((float *)v6 - 6) )
-        {
-          v10 = 0;
-          v11 = *(float *)v3 == *((float *)v6 - 5);
-          if ( v11 | v10 )
-            goto LABEL_21;
-		}
-      }
-      else
-      {
-        if ( 8.0 == *((float *)v6 + 5) && *(float *)v4 == *((float *)v6 + 6) )
-        {
-          v10 = 0;
-          v11 = *(float *)v3 == *((float *)v6 + 7);
-          if ( v11 | v10 )
-            goto LABEL_21;
-        }
-      }
-      ++v21;
-      v22 += 48;
-      v24 += 48;
-      v25 += 48;
-      v4 += 48;
-      v3 += 48;
-      ++out_num_vertices;
-      v23 += 48;
-      v19 = v4;
-      v18 = v3;
-    }
-LABEL_21:
-    if ( v17 )
-    {
-      v12 = v21;
-      v13 = v23;
-      v19 += 48;
-      v18 += 48;
-      v14 = 1.0 / (*((float *)v6 + 5) + 0.0000001);
-      ++out_num_vertices;
-      v25 += 48;
-      v24 += 48;
-      v22 += 48;
-      ++v21;
-      v23 += 48;
-      memcpy(v12, v6 + 8, 0x30u);
-      v4 = v19;
-      v3 = v18;
-      *(float *)v13 = v14;
-    }
-    v2 = v17;
-    v6 += 48;
-  }
-
-  return out_num_vertices >= 3 ? out_num_vertices : 0;
-}
+}
\ No newline at end of file
--- a/mm7_data.h	Mon Oct 21 10:07:32 2013 +0600
+++ b/mm7_data.h	Mon Oct 21 17:08:14 2013 +0600
@@ -1092,8 +1092,8 @@
 void reset_some_strus_flt_2Cs();
 int __fastcall GetPortalScreenCoord(unsigned int uFaceID);
 bool PortalFrustrum(int pNumVertices, struct BspRenderer_PortalViewportData *a2, struct BspRenderer_PortalViewportData *near_portal, int uFaceID);
-int sr_424CD7(unsigned int uVertexID); // idb
-int BuildingVerticesClipping(unsigned int uNumVertices);
+int ODM_NearClip(unsigned int uVertexID); // idb
+int ODM_FarClip(unsigned int uNumVertices);
 bool __fastcall sub_427769_spell(unsigned int uSpellID);
 void _42777D_CastSpell_UseWand_ShootArrow(int a1, unsigned int uPlayerID, unsigned int a4, __int16 a5, int a6);
 void _42ECB5_PlayerAttacksActor();