mirror of
https://github.com/leozide/leocad
synced 2025-01-29 20:34:50 +01:00
Support drawing triangles and lines in model files.
This commit is contained in:
leo
parent
7c1d5ae635
commit
4d9288c952
6 changed files with 191 additions and 66 deletions
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@ -893,6 +893,16 @@ bool lcPiecesLibrary::LoadPiece(PieceInfo* Info)
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return false;
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}
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CreateMesh(Info, MeshData);
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if (mZipFiles[LC_ZIPFILE_OFFICIAL])
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mSaveCache = true;
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return true;
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}
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void lcPiecesLibrary::CreateMesh(PieceInfo* Info, lcLibraryMeshData& MeshData)
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{
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lcMesh* Mesh = new lcMesh();
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int NumIndices = 0;
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@ -1011,11 +1021,6 @@ bool lcPiecesLibrary::LoadPiece(PieceInfo* Info)
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Mesh->UpdateBuffers();
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Info->SetMesh(Mesh);
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if (mZipFiles[LC_ZIPFILE_OFFICIAL])
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mSaveCache = true;
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return true;
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}
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bool lcPiecesLibrary::LoadTexture(lcTexture* Texture)
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@ -1444,19 +1449,15 @@ bool lcPiecesLibrary::ReadMeshData(lcFile& File, const lcMatrix44& CurrentTransf
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return true;
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}
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void lcLibraryMeshData::ResequenceQuad(lcVector3* Vertices, int a, int b, int c, int d)
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void lcLibraryMeshData::ResequenceQuad(int* Indices, int a, int b, int c, int d)
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{
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lcVector3 TempVertices[4];
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memcpy(TempVertices, Vertices, sizeof(TempVertices));
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Vertices[0] = TempVertices[a];
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Vertices[1] = TempVertices[b];
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Vertices[2] = TempVertices[c];
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Vertices[3] = TempVertices[d];
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Indices[0] = a;
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Indices[1] = b;
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Indices[2] = c;
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Indices[3] = d;
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}
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void lcLibraryMeshData::TestQuad(lcVector3* Vertices)
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void lcLibraryMeshData::TestQuad(int* QuadIndices, const lcVector3* Vertices)
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{
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lcVector3 v01 = Vertices[1] - Vertices[0];
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lcVector3 v02 = Vertices[2] - Vertices[0];
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@ -1474,20 +1475,20 @@ void lcLibraryMeshData::TestQuad(lcVector3* Vertices)
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if (lcDot(lcCross(v12, v01), lcCross(v01, v13)) > 0.0f)
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{
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if (-lcDot(lcCross(v02, v12), lcCross(v12, v23)) > 0.0f)
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ResequenceQuad(Vertices, 1, 2, 3, 0);
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ResequenceQuad(QuadIndices, 1, 2, 3, 0);
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else
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ResequenceQuad(Vertices, 0, 3, 1, 2);
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ResequenceQuad(QuadIndices, 0, 3, 1, 2);
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}
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else
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{
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if (-lcDot(lcCross(v02, v12), lcCross(v12, v23)) > 0.0f)
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ResequenceQuad(Vertices, 0, 1, 3, 2);
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ResequenceQuad(QuadIndices, 0, 1, 3, 2);
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else
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ResequenceQuad(Vertices, 1, 2, 3, 0);
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ResequenceQuad(QuadIndices, 1, 2, 3, 0);
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}
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}
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void lcLibraryMeshData::AddLine(int LineType, lcuint32 ColorCode, lcVector3* Vertices)
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void lcLibraryMeshData::AddLine(int LineType, lcuint32 ColorCode, const lcVector3* Vertices)
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{
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lcLibraryMeshSection* Section = NULL;
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int SectionIdx;
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@ -1508,14 +1509,16 @@ void lcLibraryMeshData::AddLine(int LineType, lcuint32 ColorCode, lcVector3* Ver
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mSections.Add(Section);
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}
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int QuadIndices[4] = { 0, 1, 2, 3 };
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if (LineType == 4)
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TestQuad(Vertices);
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TestQuad(QuadIndices, Vertices);
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int Indices[4] = { -1, -1, -1, -1 };
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for (int IndexIdx = 0; IndexIdx < LineType; IndexIdx++)
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{
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const lcVector3& Position = Vertices[IndexIdx];
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const lcVector3& Position = Vertices[QuadIndices[IndexIdx]];
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for (int VertexIdx = mVertices.GetSize() - 1; VertexIdx >= 0; VertexIdx--)
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{
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@ -1564,7 +1567,7 @@ void lcLibraryMeshData::AddLine(int LineType, lcuint32 ColorCode, lcVector3* Ver
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}
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}
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void lcLibraryMeshData::AddTexturedLine(int LineType, lcuint32 ColorCode, const lcLibraryTextureMap& Map, lcVector3* Vertices)
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void lcLibraryMeshData::AddTexturedLine(int LineType, lcuint32 ColorCode, const lcLibraryTextureMap& Map, const lcVector3* Vertices)
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{
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lcLibraryMeshSection* Section = NULL;
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int SectionIdx;
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@ -1585,14 +1588,16 @@ void lcLibraryMeshData::AddTexturedLine(int LineType, lcuint32 ColorCode, const
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mSections.Add(Section);
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}
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int QuadIndices[4] = { 0, 1, 2, 3 };
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if (LineType == 4)
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TestQuad(Vertices);
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TestQuad(QuadIndices, Vertices);
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int Indices[4] = { -1, -1, -1, -1 };
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for (int IndexIdx = 0; IndexIdx < LineType; IndexIdx++)
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{
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const lcVector3& Position = Vertices[IndexIdx];
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const lcVector3& Position = Vertices[QuadIndices[IndexIdx]];
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lcVector2 TexCoord(lcDot3(lcVector3(Position.x, Position.y, Position.z), Map.Params[0]) + Map.Params[0].w,
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lcDot3(lcVector3(Position.x, Position.y, Position.z), Map.Params[1]) + Map.Params[1].w);
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@ -68,12 +68,12 @@ public:
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delete mSections[SectionIdx];
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}
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void AddLine(int LineType, lcuint32 ColorCode, lcVector3* Vertices);
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void AddTexturedLine(int LineType, lcuint32 ColorCode, const lcLibraryTextureMap& Map, lcVector3* Vertices);
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void AddLine(int LineType, lcuint32 ColorCode, const lcVector3* Vertices);
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void AddTexturedLine(int LineType, lcuint32 ColorCode, const lcLibraryTextureMap& Map, const lcVector3* Vertices);
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void AddMeshData(const lcLibraryMeshData& Data, const lcMatrix44& Transform, lcuint32 CurrentColorCode, lcLibraryTextureMap* TextureMap);
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void AddMeshDataNoDuplicateCheck(const lcLibraryMeshData& Data, const lcMatrix44& Transform, lcuint32 CurrentColorCode, lcLibraryTextureMap* TextureMap);
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void TestQuad(lcVector3* Vertices);
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void ResequenceQuad(lcVector3* Vertices, int a, int b, int c, int d);
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void TestQuad(int* QuadIndices, const lcVector3* Vertices);
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void ResequenceQuad(int* QuadIndices, int a, int b, int c, int d);
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lcArray<lcLibraryMeshSection*> mSections;
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lcArray<lcVertex> mVertices;
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@ -143,6 +143,8 @@ public:
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mNumOfficialPieces = mPieces.GetSize();
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}
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void CreateMesh(PieceInfo* Info, lcLibraryMeshData& MeshData);
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lcArray<PieceInfo*> mPieces;
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lcArray<lcLibraryPrimitive*> mPrimitives;
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int mNumOfficialPieces;
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@ -206,12 +206,13 @@ void lcModel::DeleteModel()
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mCameras.DeleteAll();
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mLights.DeleteAll();
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mGroups.DeleteAll();
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mMeshLines.RemoveAll();
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}
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void lcModel::CreatePieceInfo(Project* Project)
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{
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mPieceInfo = lcGetPiecesLibrary()->FindPiece(mProperties.mName.toUpper().toLatin1().constData(), Project, true);
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mPieceInfo->SetModel(this);
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mPieceInfo->SetModel(this, true);
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mPieceInfo->AddRef();
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}
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@ -220,10 +221,12 @@ void lcModel::UpdatePieceInfo(lcArray<lcModel*>& UpdatedModels)
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if (UpdatedModels.FindIndex(this) != -1)
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return;
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mPieceInfo->SetModel(this);
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mPieceInfo->SetModel(this, false);
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UpdatedModels.Add(this);
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if (mPieces.IsEmpty())
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lcMesh* Mesh = mPieceInfo->GetMesh();
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if (mPieces.IsEmpty() && !Mesh)
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{
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memset(mPieceInfo->m_fDimensions, 0, sizeof(mPieceInfo->m_fDimensions));
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return;
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@ -242,6 +245,23 @@ void lcModel::UpdatePieceInfo(lcArray<lcModel*>& UpdatedModels)
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}
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}
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if (Mesh)
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{
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int NumVerts = Mesh->mVertexBuffer.mSize / sizeof(lcVertex);
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float* Vertex = (float*)Mesh->mVertexBuffer.mData;
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for (int VertexIdx = 0; VertexIdx < NumVerts; VertexIdx++)
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{
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if (Vertex[0] < BoundingBox[0]) BoundingBox[0] = Vertex[0];
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if (Vertex[1] < BoundingBox[1]) BoundingBox[1] = Vertex[1];
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if (Vertex[2] < BoundingBox[2]) BoundingBox[2] = Vertex[2];
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if (Vertex[0] > BoundingBox[3]) BoundingBox[3] = Vertex[0];
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if (Vertex[1] > BoundingBox[4]) BoundingBox[4] = Vertex[1];
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if (Vertex[2] > BoundingBox[5]) BoundingBox[5] = Vertex[2];
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Vertex += 3;
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}
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}
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mPieceInfo->m_fDimensions[0] = BoundingBox[3];
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mPieceInfo->m_fDimensions[1] = BoundingBox[4];
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mPieceInfo->m_fDimensions[2] = BoundingBox[5];
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@ -486,6 +506,37 @@ void lcModel::LoadLDraw(QIODevice& Device, Project* Project)
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mPieces.Add(Piece);
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Piece = NULL;
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}
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else if (Token == QLatin1String("2"))
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{
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lcModelMeshLine& Line = mMeshLines.Add();
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Line.LineType = 2;
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LineStream >> Line.ColorCode;
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for (int TokenIdx = 0; TokenIdx < 6; TokenIdx++)
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LineStream >> ((float*)Line.Vertices)[TokenIdx];
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}
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else if (Token == QLatin1String("3"))
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{
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lcModelMeshLine& Line = mMeshLines.Add();
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Line.LineType = 3;
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LineStream >> Line.ColorCode;
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for (int TokenIdx = 0; TokenIdx < 9; TokenIdx++)
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LineStream >> ((float*)Line.Vertices)[TokenIdx];
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}
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else if (Token == QLatin1String("4"))
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{
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lcModelMeshLine& Line = mMeshLines.Add();
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Line.LineType = 4;
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LineStream >> Line.ColorCode;
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for (int TokenIdx = 0; TokenIdx < 12; TokenIdx++)
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LineStream >> ((float*)Line.Vertices)[TokenIdx];
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}
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}
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mCurrentStep = CurrentStep;
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@ -867,6 +918,8 @@ void lcModel::GetScene(lcScene& Scene, lcCamera* ViewCamera, bool DrawInterface)
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{
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Scene.Begin(ViewCamera->mWorldView);
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mPieceInfo->AddRenderMesh(Scene);
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for (int PieceIdx = 0; PieceIdx < mPieces.GetSize(); PieceIdx++)
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{
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lcPiece* Piece = mPieces[PieceIdx];
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@ -113,6 +113,13 @@ struct lcModelPartsEntry
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int ColorIndex;
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};
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struct lcModelMeshLine
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{
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int LineType;
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int ColorCode;
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lcVector3 Vertices[4];
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};
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class lcModel
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{
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public:
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@ -163,6 +170,11 @@ public:
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mProperties.mName = Name;
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}
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const lcArray<lcModelMeshLine>& GetMeshLines() const
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{
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return mMeshLines;
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}
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lcStep GetLastStep() const;
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lcStep GetCurrentStep() const
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@ -333,6 +345,7 @@ protected:
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lcArray<lcCamera*> mCameras;
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lcArray<lcLight*> mLights;
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lcArray<lcGroup*> mGroups;
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lcArray<lcModelMeshLine> mMeshLines;
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lcModelHistoryEntry* mSavedHistory;
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lcArray<lcModelHistoryEntry*> mUndoHistory;
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@ -51,18 +51,33 @@ void PieceInfo::SetPlaceholder()
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mMesh = NULL;
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}
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void PieceInfo::SetModel(lcModel* Model)
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void PieceInfo::SetModel(lcModel* Model, bool UpdateMesh)
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{
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mFlags = LC_PIECE_MODEL;
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mModel = Model;
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if (mModel != Model)
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{
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mFlags = LC_PIECE_MODEL;
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mModel = Model;
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}
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strncpy(m_strName, Model->GetProperties().mName.toUpper().toLatin1().data(), sizeof(m_strName));
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m_strName[sizeof(m_strName)-1] = 0;
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strncpy(m_strDescription, Model->GetProperties().mName.toLatin1().data(), sizeof(m_strDescription));
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m_strDescription[sizeof(m_strDescription)-1] = 0;
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delete mMesh;
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mMesh = NULL;
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const lcArray<lcModelMeshLine>& MeshLines = Model->GetMeshLines();
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if (UpdateMesh && !MeshLines.IsEmpty())
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{
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lcLibraryMeshData MeshData;
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for (int LineIdx = 0; LineIdx < MeshLines.GetSize(); LineIdx++)
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{
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const lcModelMeshLine& Line = MeshLines[LineIdx];
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MeshData.AddLine(Line.LineType, Line.ColorCode, Line.Vertices);
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}
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lcGetPiecesLibrary()->CreateMesh(this, MeshData);
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}
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}
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bool PieceInfo::IncludesModel(const lcModel* Model) const
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@ -126,9 +141,6 @@ bool PieceInfo::MinIntersectDist(const lcMatrix44& WorldMatrix, const lcVector3&
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lcVector3 Start = lcMul31(WorldStart, InverseWorldMatrix);
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lcVector3 End = lcMul31(WorldEnd, InverseWorldMatrix);
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if (mFlags & LC_PIECE_MODEL)
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return mModel->SubModelMinIntersectDist(Start, End, MinDistance);
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lcVector3 Min(m_fDimensions[3], m_fDimensions[4], m_fDimensions[5]);
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lcVector3 Max(m_fDimensions[0], m_fDimensions[1], m_fDimensions[2]);
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@ -139,9 +151,18 @@ bool PieceInfo::MinIntersectDist(const lcMatrix44& WorldMatrix, const lcVector3&
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if (mFlags & LC_PIECE_PLACEHOLDER)
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return true;
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lcVector3 Intersection;
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bool Intersect = false;
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return mMesh->MinIntersectDist(Start, End, MinDistance, Intersection);
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if (mMesh)
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{
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lcVector3 Intersection;
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Intersect = mMesh->MinIntersectDist(Start, End, MinDistance, Intersection);
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}
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if (mFlags & LC_PIECE_MODEL)
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Intersect |= mModel->SubModelMinIntersectDist(Start, End, MinDistance);
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return Intersect;
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}
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bool PieceInfo::BoxTest(const lcMatrix44& WorldMatrix, const lcVector4 WorldPlanes[6]) const
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@ -158,9 +179,6 @@ bool PieceInfo::BoxTest(const lcMatrix44& WorldMatrix, const lcVector4 WorldPlan
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LocalPlanes[PlaneIdx] = lcVector4(PlaneNormal, WorldPlanes[PlaneIdx][3] - lcDot3(InverseWorldMatrix[3], PlaneNormal));
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}
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if (mFlags & LC_PIECE_MODEL)
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return mModel->SubModelBoxTest(LocalPlanes);
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lcVector3 Box[NumCorners] =
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{
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lcVector3(m_fDimensions[0], m_fDimensions[1], m_fDimensions[5]),
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@ -197,10 +215,19 @@ bool PieceInfo::BoxTest(const lcMatrix44& WorldMatrix, const lcVector4 WorldPlan
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if (OutcodesAND != 0)
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return false;
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if (mFlags & LC_PIECE_PLACEHOLDER)
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return OutcodesOR == 0;
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if (OutcodesOR == 0)
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return true;
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return OutcodesOR == 0 || mMesh->IntersectsPlanes(LocalPlanes);
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if (mFlags & LC_PIECE_PLACEHOLDER)
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return gPlaceholderMesh->IntersectsPlanes(LocalPlanes);
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if (mMesh && mMesh->IntersectsPlanes(LocalPlanes))
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return true;
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if (mFlags & LC_PIECE_MODEL)
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return mModel->SubModelBoxTest(LocalPlanes);
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return false;
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}
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// Zoom extents for the preview window and print catalog
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@ -239,37 +266,61 @@ void PieceInfo::ZoomExtents(const lcMatrix44& ProjectionMatrix, lcMatrix44& View
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}
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}
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void PieceInfo::AddRenderMeshes(lcScene& Scene, const lcMatrix44& WorldMatrix, int ColorIndex, bool Focused, bool Selected)
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void PieceInfo::AddRenderMesh(lcScene& Scene)
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{
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if (mFlags & LC_PIECE_MODEL)
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{
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mModel->SubModelAddRenderMeshes(Scene, WorldMatrix, ColorIndex, Focused, Selected);
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if (!mMesh)
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return;
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}
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lcRenderMesh RenderMesh;
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RenderMesh.WorldMatrix = WorldMatrix;
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RenderMesh.Mesh = (mFlags & LC_PIECE_PLACEHOLDER) ? gPlaceholderMesh : mMesh;
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RenderMesh.ColorIndex = ColorIndex;
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RenderMesh.Focused = Focused;
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RenderMesh.Selected = Selected;
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RenderMesh.WorldMatrix = lcMatrix44Identity();
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RenderMesh.Mesh = mMesh;
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RenderMesh.ColorIndex = gDefaultColor;
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RenderMesh.Focused = false;
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RenderMesh.Selected = false;
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bool Translucent = lcIsColorTranslucent(ColorIndex);
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|
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if ((mFlags & (LC_PIECE_HAS_SOLID | LC_PIECE_HAS_LINES)) || ((mFlags & LC_PIECE_HAS_DEFAULT) && !Translucent))
|
||||
if (mFlags & (LC_PIECE_HAS_SOLID | LC_PIECE_HAS_DEFAULT | LC_PIECE_HAS_LINES))
|
||||
Scene.mOpaqueMeshes.Add(RenderMesh);
|
||||
|
||||
if ((mFlags & LC_PIECE_HAS_TRANSLUCENT) || ((mFlags & LC_PIECE_HAS_DEFAULT) && Translucent))
|
||||
if (mFlags & LC_PIECE_HAS_TRANSLUCENT)
|
||||
{
|
||||
lcVector3 Pos = lcMul31(WorldMatrix[3], Scene.mViewMatrix);
|
||||
|
||||
RenderMesh.Distance = Pos[2];
|
||||
RenderMesh.Distance = Scene.mViewMatrix.r[3].z;
|
||||
|
||||
Scene.mTranslucentMeshes.Add(RenderMesh);
|
||||
}
|
||||
}
|
||||
|
||||
void PieceInfo::AddRenderMeshes(lcScene& Scene, const lcMatrix44& WorldMatrix, int ColorIndex, bool Focused, bool Selected)
|
||||
{
|
||||
if (mMesh || (mFlags & LC_PIECE_PLACEHOLDER))
|
||||
{
|
||||
lcRenderMesh RenderMesh;
|
||||
|
||||
RenderMesh.WorldMatrix = WorldMatrix;
|
||||
RenderMesh.Mesh = (mFlags & LC_PIECE_PLACEHOLDER) ? gPlaceholderMesh : mMesh;
|
||||
RenderMesh.ColorIndex = ColorIndex;
|
||||
RenderMesh.Focused = Focused;
|
||||
RenderMesh.Selected = Selected;
|
||||
|
||||
bool Translucent = lcIsColorTranslucent(ColorIndex);
|
||||
|
||||
if ((mFlags & (LC_PIECE_HAS_SOLID | LC_PIECE_HAS_LINES)) || ((mFlags & LC_PIECE_HAS_DEFAULT) && !Translucent))
|
||||
Scene.mOpaqueMeshes.Add(RenderMesh);
|
||||
|
||||
if ((mFlags & LC_PIECE_HAS_TRANSLUCENT) || ((mFlags & LC_PIECE_HAS_DEFAULT) && Translucent))
|
||||
{
|
||||
lcVector3 Pos = lcMul31(WorldMatrix[3], Scene.mViewMatrix);
|
||||
|
||||
RenderMesh.Distance = Pos[2];
|
||||
|
||||
Scene.mTranslucentMeshes.Add(RenderMesh);
|
||||
}
|
||||
}
|
||||
|
||||
if (mFlags & LC_PIECE_MODEL)
|
||||
mModel->SubModelAddRenderMeshes(Scene, WorldMatrix, ColorIndex, Focused, Selected);
|
||||
}
|
||||
|
||||
void PieceInfo::GetPartsList(int DefaultColorIndex, lcArray<lcPartsListEntry>& PartsList) const
|
||||
{
|
||||
if (mFlags & LC_PIECE_MODEL)
|
||||
|
|
|
|||
|
|
@ -107,12 +107,13 @@ public:
|
|||
}
|
||||
|
||||
void ZoomExtents(const lcMatrix44& ProjectionMatrix, lcMatrix44& ViewMatrix, float* EyePos = NULL) const;
|
||||
void AddRenderMesh(lcScene& Scene);
|
||||
void AddRenderMeshes(lcScene& Scene, const lcMatrix44& WorldMatrix, int ColorIndex, bool Focused, bool Selected);
|
||||
|
||||
void CreatePlaceholder(const char* Name);
|
||||
|
||||
void SetPlaceholder();
|
||||
void SetModel(lcModel* Model);
|
||||
void SetModel(lcModel* Model, bool UpdateMesh);
|
||||
bool IncludesModel(const lcModel* Model) const;
|
||||
bool MinIntersectDist(const lcMatrix44& WorldMatrix, const lcVector3& WorldStart, const lcVector3& WorldEnd, float& MinDistance) const;
|
||||
bool BoxTest(const lcMatrix44& WorldMatrix, const lcVector4 Planes[6]) const;
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue