Tools/MeshExtractor: More progress on extracting GameObject models

src/tools/mesh_extractor/MeshExtractor.cpp

@@ -170,13 +170,62 @@ void ExtractGameobjectModels()
             fclose(output);
             delete[] indices;
             delete[] vertices;
+
+            uint32 displayId = (*itr)->Values[0];
+            uint32 pathLength = fileName.size();
+            fwrite(&displayId, sizeof(uint32), 1, modelList);
+            fwrite(&pathLength, sizeof(uint32), 1, modelList);
+            fwrite(fileName.c_str(), sizeof(char), pathLength, modelList);
         }
         else if (extension == "wmo")
         {
-            //WorldModelRoot model(path);
+            WorldModelRoot model(path);
+
+            FILE* output = fopen((baseBuildingsPath + fileName).c_str(), "wb");
+            if (!output)
+            {
+                printf("Could not create file %s, please check that you have write permissions\n", (baseBuildingsPath + fileName).c_str());
+                continue;
+            }
+
+            fwrite(Constants::VMAPMagic, 1, 8, output);
+            uint32 numVertices = 0;
+            fwrite(&numVertices, sizeof(uint32), 1, output); // will be filled later
+            fwrite(&model.Header.CountGroups, sizeof(uint32), 1, output);
+            fwrite(&model.Header.WmoId, sizeof(uint32), 1, output);
+
+            uint32 i = 0;
+            for (std::vector<WorldModelGroup>::iterator itr2 = model.Groups.begin(); itr2 != model.Groups.end(); ++itr2)
+            {
+                fwrite(&itr2->Header.Flags, sizeof(uint32), 1, output);
+                fwrite(&itr2->Header.WmoId, sizeof(uint32), 1, output);
+                fwrite(&itr2->Header.BoundingBox[0], sizeof(uint32), 1, output);
+                fwrite(&itr2->Header.BoundingBox[1], sizeof(uint32), 1, output);
+                uint32 LiquidFlags = itr2->HasLiquidData ? 1 : 0;
+                fwrite(&LiquidFlags, sizeof(uint32), 1, output);
+
+                fwrite("GRP ", sizeof(char), 4, output);
+                uint32 k = 0;
+                uint32 mobaBatch = itr2->MOBALength / 12;
+                uint32* MobaEx = new uint32[mobaBatch*4];
+
+                for(uint32 i = 8; i < itr2->MOBALength; i += 12)
+                    MobaEx[k++] = itr2->MOBA[i];
+
+                int mobaSizeGrp = mobaBatch * 4 + 4;
+                fwrite(&mobaSizeGrp, 4, 1, output);
+                fwrite(&mobaBatch, 4, 1, output);
+                fwrite(MobaEx, 4, k, output);
+                delete[] MobaEx;
+
+                // Note: still not finished
+            }
+
+            fclose(output);
         }
     }
 
+    fclose(modelList);
     printf("GameObject models extraction finished!");
     Constants::ToWoWCoords = false;
 }
@@ -252,7 +301,7 @@ void PrintUsage()
         printf("- %u to extract DBCs\n", Constants::EXTRACT_FLAG_DBC);
         printf("- %u to extract Maps (Not yet implemented)\n", Constants::EXTRACT_FLAG_MAPS);
         printf("- %u to extract VMaps (Not yet implemented)\n", Constants::EXTRACT_FLAG_VMAPS);
-        printf("- %u to extract GameObject models (Not yet finished)\n", Constants::EXTRACT_FLAG_GOB_MODELS);
+        printf("- %u to extract GameObject models (Not yet finished, you need to run VMapAssembler on the extracted files)\n", Constants::EXTRACT_FLAG_GOB_MODELS);
         printf("- %u to extract MMaps (Not yet finished)\n", Constants::EXTRACT_FLAG_MMAPS);
     }
 }

src/tools/mesh_extractor/Utils.cpp

@@ -484,3 +484,21 @@ char* Utils::GetPlainName(const char* FileName)
         FileName = temp + 1;
     return (char*)FileName;
 }
+
+WMOGroupHeader WMOGroupHeader::Read( FILE* stream )
+{
+    WMOGroupHeader ret;
+    fread(&ret.OffsetGroupName, sizeof(uint32), 1, stream);
+    fread(&ret.OffsetDescriptiveName, sizeof(uint32), 1, stream);
+    fread(&ret.Flags, sizeof(uint32), 1, stream);
+    ret.BoundingBox[0] = Vector3::Read(stream);
+    ret.BoundingBox[1] = Vector3::Read(stream);
+    fread(&ret.OffsetPortals, sizeof(uint32), 1, stream);
+    fread(&ret.CountPortals, sizeof(uint32), 1, stream);
+    fread(&ret.CountBatches, sizeof(uint16), 4, stream);
+    fread(&ret.Fogs, sizeof(uint8), 4, stream);
+    fread(&ret.LiquidTypeRelated, sizeof(uint32), 1, stream);
+    fread(&ret.WmoId, sizeof(uint32), 1, stream);
+    
+    return ret;
+}

src/tools/mesh_extractor/Utils.h

@@ -289,6 +289,25 @@ public:
     static H2OInformation Read(FILE* stream);
 };
 
+class WMOGroupHeader
+{
+public:
+    WMOGroupHeader() {}
+
+    uint32 OffsetGroupName;
+    uint32 OffsetDescriptiveName;
+    uint32 Flags;
+    Vector3 BoundingBox[2];
+    uint32 OffsetPortals;
+    uint32 CountPortals;
+    uint16 CountBatches[4];
+    uint8 Fogs[4];
+    uint32 LiquidTypeRelated;
+    uint32 WmoId;
+
+    static WMOGroupHeader Read(FILE* stream);
+};
+
 // Dummy class to act as an interface.
 class IDefinition
 {

src/tools/mesh_extractor/WorldModelGroup.cpp

@@ -1,8 +1,9 @@
 #include "WorldModelGroup.h"
 #include "ChunkedData.h"
 #include "Chunk.h"
+#include "Utils.h"
 
-WorldModelGroup::WorldModelGroup( std::string path, int groupIndex ) : GroupIndex(groupIndex), IsBad(false)
+WorldModelGroup::WorldModelGroup( std::string path, int groupIndex ) : GroupIndex(groupIndex), IsBad(false), MOBA(NULL)
 {
     Data = new ChunkedData(path);
     if (!Data->Stream)
@@ -14,16 +15,20 @@ WorldModelGroup::WorldModelGroup( std::string path, int groupIndex ) : GroupInde
     int32 firstSub = mainChunk->FindSubChunkOffset("MOPY");
     if (firstSub == -1)
         return;
+
+    Name = Utils::GetPlainName(path.c_str());
+
     FILE* stream = mainChunk->GetStream();
     fseek(stream, firstSub, SEEK_SET);
     SubData = new ChunkedData(stream, mainChunk->Length - firstSub);
 
-    ReadBoundingBox();
+    ReadHeader();
     ReadMaterials();
     ReadTriangles();
     ReadVertices();
     ReadNormals();
     ReadLiquid();
+    ReadBatches();
 }
 
 void WorldModelGroup::ReadNormals()
@@ -108,15 +113,23 @@ void WorldModelGroup::ReadMaterials()
     }
 }
 
-void WorldModelGroup::ReadBoundingBox()
+void WorldModelGroup::ReadHeader()
 {
     Chunk* chunk = Data->GetChunkByName("MOGP");
     if (!chunk)
         return;
 
     FILE* stream = chunk->GetStream();
-    fseek(stream, 8, SEEK_CUR);
-    fread(&Flags, sizeof(uint32), 1, stream);
-    BoundingBox[0] = Vector3::Read(stream);
-    BoundingBox[1] = Vector3::Read(stream);
+    Header = WMOGroupHeader::Read(stream);
+}
+
+void WorldModelGroup::ReadBatches()
+{
+    Chunk* chunk = Data->GetChunkByName("MOBA");
+    if (!chunk)
+        return;
+
+    MOBALength = chunk->Length / 2;
+    MOBA = new uint16[MOBALength];
+    fread(MOBA, sizeof(uint16), MOBALength, chunk->GetStream());
 }

src/tools/mesh_extractor/WorldModelGroup.h

@@ -10,13 +10,17 @@ public:
     ChunkedData* Data;
     ChunkedData* SubData;
     int GroupIndex;
-    Vector3 BoundingBox[2];
-    uint32 Flags;
+    std::string Name;
+    WMOGroupHeader Header;
+
     std::vector<uint8> TriangleFlags;
     std::vector<uint8> TriangleMaterials;
     std::vector<Triangle<uint16> > Triangles;
     std::vector<Vector3> Vertices;
     std::vector<Vector3> Normals;
+    // @ToDo: Research.
+    uint16* MOBA;
+    uint32 MOBALength;
 
     bool HasLiquidData;
     bool IsBad;
@@ -28,6 +32,7 @@ private:
     void ReadVertices();
     void ReadTriangles();
     void ReadMaterials();
-    void ReadBoundingBox();
+    void ReadHeader();
+    void ReadBatches();
 };
 #endif