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Better string mesh generation.

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This commit is contained in:
leo 2016-04-11 15:45:08 +00:00
parent 92882ae13e
commit a24ebaaab9
5 changed files with 130 additions and 66 deletions
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2
common/lc_array.h
View file

@ -85,7 +85,7 @@ public:
void SetSize(int NewSize)
{
if (NewSize > mAlloc)
AllocGrow(NewSize - mAlloc);
AllocGrow(NewSize - mLength);
mLength = NewSize;
}

67
common/lc_library.cpp
View file

@ -1765,27 +1765,51 @@ void lcLibraryMeshData::TestQuad(int* QuadIndices, const lcVector3* Vertices)
}
}
void lcLibraryMeshData::AddLine(lcMeshDataType MeshDataType, int LineType, lcuint32 ColorCode, const lcVector3* Vertices)
lcLibraryMeshSection* lcLibraryMeshData::AddSection(lcMeshDataType MeshDataType, LC_MESH_PRIMITIVE_TYPE PrimitiveType, lcuint32 ColorCode, lcTexture* Texture)
{
lcLibraryMeshSection* Section = NULL;
int SectionIdx;
LC_MESH_PRIMITIVE_TYPE PrimitiveType = (LineType == 2) ? LC_MESH_LINES : LC_MESH_TRIANGLES;
lcArray<lcLibraryMeshSection*>& Sections = mSections[MeshDataType];
lcLibraryMeshSection* Section;
for (SectionIdx = 0; SectionIdx < Sections.GetSize(); SectionIdx++)
for (int SectionIdx = 0; SectionIdx < Sections.GetSize(); SectionIdx++)
{
Section = Sections[SectionIdx];
if (Section->mColor == ColorCode && Section->mPrimitiveType == PrimitiveType && Section->mTexture == NULL)
break;
if (Section->mColor == ColorCode && Section->mPrimitiveType == PrimitiveType && Section->mTexture == Texture)
return Section;
}
if (SectionIdx == Sections.GetSize())
{
Section = new lcLibraryMeshSection(PrimitiveType, ColorCode, NULL);
Section = new lcLibraryMeshSection(PrimitiveType, ColorCode, Texture);
Sections.Add(Section);
Sections.Add(Section);
}
return Section;
}
void lcLibraryMeshData::AddVertices(lcMeshDataType MeshDataType, int VertexCount, int* BaseVertex, lcVertex** VertexBuffer)
{
lcArray<lcVertex>& Vertices = mVertices[MeshDataType];
int CurrentSize = Vertices.GetSize();
Vertices.SetSize(CurrentSize + VertexCount);
*BaseVertex = CurrentSize;
*VertexBuffer = &Vertices[CurrentSize];
}
void lcLibraryMeshData::AddIndices(lcMeshDataType MeshDataType, LC_MESH_PRIMITIVE_TYPE PrimitiveType, lcuint32 ColorCode, int IndexCount, lcuint32** IndexBuffer)
{
lcLibraryMeshSection* Section = AddSection(MeshDataType, PrimitiveType, ColorCode, NULL);
lcArray<lcuint32>& Indices = Section->mIndices;
int CurrentSize = Indices.GetSize();
Indices.SetSize(CurrentSize + IndexCount);
*IndexBuffer = &Indices[CurrentSize];
}
void lcLibraryMeshData::AddLine(lcMeshDataType MeshDataType, int LineType, lcuint32 ColorCode, const lcVector3* Vertices)
{
LC_MESH_PRIMITIVE_TYPE PrimitiveType = (LineType == 2) ? LC_MESH_LINES : LC_MESH_TRIANGLES;
lcLibraryMeshSection* Section = AddSection(MeshDataType, PrimitiveType, ColorCode, NULL);
int QuadIndices[4] = { 0, 1, 2, 3 };
@ -1848,25 +1872,8 @@ void lcLibraryMeshData::AddLine(lcMeshDataType MeshDataType, int LineType, lcuin
void lcLibraryMeshData::AddTexturedLine(lcMeshDataType MeshDataType, int LineType, lcuint32 ColorCode, const lcLibraryTextureMap& Map, const lcVector3* Vertices)
{
lcLibraryMeshSection* Section = NULL;
int SectionIdx;
LC_MESH_PRIMITIVE_TYPE PrimitiveType = (LineType == 2) ? LC_MESH_TEXTURED_LINES : LC_MESH_TEXTURED_TRIANGLES;
lcArray<lcLibraryMeshSection*>& Sections = mSections[MeshDataType];
for (SectionIdx = 0; SectionIdx < Sections.GetSize(); SectionIdx++)
{
Section = Sections[SectionIdx];
if (Section->mColor == ColorCode && Section->mPrimitiveType == PrimitiveType && Section->mTexture == Map.Texture)
break;
}
if (SectionIdx == Sections.GetSize())
{
Section = new lcLibraryMeshSection(PrimitiveType, ColorCode, Map.Texture);
Sections.Add(Section);
}
lcLibraryMeshSection* Section = AddSection(MeshDataType, PrimitiveType, ColorCode, Map.Texture);
int QuadIndices[4] = { 0, 1, 2, 3 };

3
common/lc_library.h
View file

@ -78,6 +78,9 @@ public:
mSections[MeshDataIdx].DeleteAll();
}
lcLibraryMeshSection* AddSection(lcMeshDataType MeshDataType, LC_MESH_PRIMITIVE_TYPE PrimitiveType, lcuint32 ColorCode, lcTexture* Texture);
void AddVertices(lcMeshDataType MeshDataType, int VertexCount, int* BaseVertex, lcVertex** VertexBuffer);
void AddIndices(lcMeshDataType MeshDataType, LC_MESH_PRIMITIVE_TYPE PrimitiveType, lcuint32 ColorCode, int IndexCount, lcuint32** IndexBuffer);
void AddLine(lcMeshDataType MeshDataType, int LineType, lcuint32 ColorCode, const lcVector3* Vertices);
void AddTexturedLine(lcMeshDataType MeshDataType, int LineType, lcuint32 ColorCode, const lcLibraryTextureMap& Map, const lcVector3* Vertices);
void AddMeshData(const lcLibraryMeshData& Data, const lcMatrix44& Transform, lcuint32 CurrentColorCode, lcLibraryTextureMap* TextureMap, lcMeshDataType OverrideDestIndex);

120
common/lc_synth.cpp
View file

@ -365,14 +365,21 @@ void lcSynthInfo::AddFlexibleAxleParts(lcMemFile& File, const lcArray<lcMatrix44
}
}
void lcSynthInfo::AddStringBraidedParts(lcMemFile& File, const lcArray<lcMatrix44>& Sections) const
void lcSynthInfo::AddStringBraidedParts(lcMemFile& File, lcLibraryMeshData& MeshData, const lcArray<lcMatrix44>& Sections) const
{
for (int SectionIdx = 0; SectionIdx < Sections.GetSize(); SectionIdx++)
{
lcMatrix33 Transform = lcMul(lcMatrix33(lcVector3(0.0f, 1.0f, 0.0f), lcVector3(1.0f, 0.0f, 0.0f), lcVector3(0.0f, 0.0f, 1.0f)), lcMatrix33(Sections[SectionIdx]));
lcVector3 Offset = Sections[SectionIdx].GetTranslation();
Sections[SectionIdx] = lcMatrix44(Transform, Offset);
}
char Line[256];
{
const int SectionIdx = 0;
lcMatrix33 Transform(lcMul(lcMatrix33(lcVector3(0.0f, 1.0f, 0.0f), lcVector3(1.0f, 0.0f, 0.0f), lcVector3(0.0f, 0.0f, 1.0f)), lcMatrix33(Sections[SectionIdx])));
lcVector3 Offset = lcMul31(lcVector3(0.0f, -8.0f, 0.0f), Sections[SectionIdx]);
lcMatrix33 Transform(Sections[SectionIdx]);
lcVector3 Offset = lcMul31(lcVector3(-8.0f, 0.0f, 0.0f), Sections[SectionIdx]);
sprintf(Line, "1 16 %f %f %f %f %f %f %f %f %f %f %f %f 572A.DAT\n", Offset[0], Offset[1], Offset[2], Transform[0][0], Transform[1][0], Transform[2][0],
Transform[0][1], Transform[1][1], Transform[2][1], Transform[0][2], Transform[1][2], Transform[2][2]);
@ -381,56 +388,101 @@ void lcSynthInfo::AddStringBraidedParts(lcMemFile& File, const lcArray<lcMatrix4
}
const int NumSegments = 16;
const int NumBraids = 4;
const float PositionTable[16] =
{
-1.5f, -1.386f, -1.061f, -0.574f, 0.0f, 0.574f, 1.061f, 1.386f, 1.5f, 1.386f, 1.061f, 0.574f, 0.0f, -0.574f, -1.061f, -1.386f
};
for (int SectionIdx = 1; SectionIdx < Sections.GetSize() - 1; SectionIdx++)
int BaseVertex;
lcVertex* VertexBuffer;
lcuint32* IndexBuffer;
MeshData.AddVertices(LC_MESHDATA_SHARED, NumBraids * ((Sections.GetSize() - 2) * NumSegments + 1), &BaseVertex, &VertexBuffer);
MeshData.AddIndices(LC_MESHDATA_SHARED, LC_MESH_LINES, 24, NumBraids * (Sections.GetSize() - 2) * NumSegments * 2, &IndexBuffer);
for (int BraidIdx = 0; BraidIdx < NumBraids; BraidIdx++)
{
lcMatrix33 Transform1 = lcMul(lcMatrix33(lcVector3(0.0f, 1.0f, 0.0f), lcVector3(1.0f, 0.0f, 0.0f), lcVector3(0.0f, 0.0f, 1.0f)), lcMatrix33(Sections[SectionIdx]));
lcMatrix33 Transform2 = lcMul(lcMatrix33(lcVector3(0.0f, 1.0f, 0.0f), lcVector3(1.0f, 0.0f, 0.0f), lcVector3(0.0f, 0.0f, 1.0f)), lcMatrix33(Sections[SectionIdx + 1]));
lcVector3 Offset1 = Sections[SectionIdx].GetTranslation();
lcVector3 Offset2 = Sections[SectionIdx + 1].GetTranslation();
int BaseX = (BraidIdx == 0 || BraidIdx == 2) ? 0 : 8;
int BaseY = (BraidIdx == 0 || BraidIdx == 3) ? 12 : 4;
for (int BraidIdx = 0; BraidIdx < 4; BraidIdx++)
for (int SectionIdx = 1; SectionIdx < Sections.GetSize() - 1; SectionIdx++)
{
int BaseX = (BraidIdx == 0 || BraidIdx == 2) ? 0 : 8;
int BaseY = (BraidIdx == 0 || BraidIdx == 3) ? 12 : 4;
lcMatrix33 Transform1 = lcMatrix33(Sections[SectionIdx]);
lcMatrix33 Transform2 = lcMatrix33(Sections[SectionIdx + 1]);
lcVector3 Offset1 = Sections[SectionIdx].GetTranslation();
lcVector3 Offset2 = Sections[SectionIdx + 1].GetTranslation();
for (int SegmentIdx = 0; SegmentIdx < NumSegments; SegmentIdx++)
for (int SegmentIdx = 0; SegmentIdx < ((SectionIdx < Sections.GetSize() - 2) ? NumSegments : NumSegments + 1); SegmentIdx++)
{
float t1 = (float)SegmentIdx / (float)NumSegments;
float t2 = (float)(SegmentIdx + 1) / (float)NumSegments;
float t = (float)SegmentIdx / (float)NumSegments;
// lcVector3 Vertex1 = lcMul(lcVector3((float)(SegmentIdx * 4) / (float)NumSegments, PositionTable[(BaseX + SegmentIdx) % NumSegments], PositionTable[(BaseY + SegmentIdx) % NumSegments]) + lcVector3(0.0f, 1.5f, 0.0f), Transform1) + Offset1;
// lcVector3 Vertex2 = lcMul(lcVector3((float)((SegmentIdx + 1) * 4) / (float)NumSegments, PositionTable[(BaseX + SegmentIdx + 1) % NumSegments], PositionTable[(BaseY + SegmentIdx + 1) % NumSegments]) + lcVector3(0.0f, 1.5f, 0.0f), Transform1) + Offset1;
lcVector3 Vertex1 = lcVector3(t * 4.0f, PositionTable[(BaseX + SegmentIdx) % NumSegments], PositionTable[(BaseY + SegmentIdx) % NumSegments]) + lcVector3(0.0f, 1.5f, 0.0f);
lcVector3 Vertex2 = lcVector3((1.0f - t) * -4.0f, PositionTable[(BaseX + SegmentIdx) % NumSegments], PositionTable[(BaseY + SegmentIdx) % NumSegments]) + lcVector3(0.0f, 1.5f, 0.0f);
lcVector3 Vertex11 = lcVector3(t1 * 4.0f, PositionTable[(BaseX + SegmentIdx) % NumSegments], PositionTable[(BaseY + SegmentIdx) % NumSegments]) + lcVector3(0.0f, 1.5f, 0.0f);
lcVector3 Vertex12 = lcVector3((1.0f - t1) * -4.0f, PositionTable[(BaseX + SegmentIdx) % NumSegments], PositionTable[(BaseY + SegmentIdx) % NumSegments]) + lcVector3(0.0f, 1.5f, 0.0f);
lcVector3 Vertex21 = lcVector3(t2 * 4.0f, PositionTable[(BaseX + SegmentIdx + 1) % NumSegments], PositionTable[(BaseY + SegmentIdx + 1) % NumSegments]) + lcVector3(0.0f, 1.5f, 0.0f);
lcVector3 Vertex22 = lcVector3((1.0f - t2) * -4.0f, PositionTable[(BaseX + SegmentIdx + 1) % NumSegments], PositionTable[(BaseY + SegmentIdx + 1) % NumSegments]) + lcVector3(0.0f, 1.5f, 0.0f);
lcVector3 Vertex = (lcMul(Vertex1, Transform1) + Offset1) * (1.0f - t) + (lcMul(Vertex2, Transform2) + Offset2) * t;
lcVector3 Vertex1 = (lcMul(Vertex11, Transform1) + Offset1) * (1.0f - t1) + (lcMul(Vertex12, Transform2) + Offset2) * t1;
lcVector3 Vertex2 = (lcMul(Vertex21, Transform1) + Offset1) * (1.0f - t2) + (lcMul(Vertex22, Transform2) + Offset2) * t2;
sprintf(Line, "2 24 %f %f %f %f %f %f\n", Vertex1[0], Vertex1[1], Vertex1[2], Vertex2[0], Vertex2[1], Vertex2[2]);
File.WriteBuffer(Line, strlen(Line));
VertexBuffer->Position = Vertex;
VertexBuffer++;
if (SegmentIdx != NumSegments)
{
*IndexBuffer++ = BaseVertex;
*IndexBuffer++ = BaseVertex + 1;
BaseVertex++;
}
}
}
lcMatrix33 Transform = lcMul(lcMatrix33(lcVector3(1.5f, 0.0f, 0.0f), lcVector3(0.0f, 4.0f, 0.0f), lcVector3(0.0f, 0.0f, 1.5f)), lcMatrix33(Sections[SectionIdx]));
lcVector3 Offset = lcMul31(lcVector3(1.5f, 0.0f, 0.0f), Sections[SectionIdx]);
BaseVertex++;
}
sprintf(Line, "1 16 %f %f %f %f %f %f %f %f %f %f %f %f 4-4CYLI.DAT\n", Offset[0], Offset[1], Offset[2], Transform[0][0], Transform[1][0], Transform[2][0],
Transform[0][1], Transform[1][1], Transform[2][1], Transform[0][2], Transform[1][2], Transform[2][2]);
File.WriteBuffer(Line, strlen(Line));
int NumSlices = 16;
MeshData.AddVertices(LC_MESHDATA_SHARED, NumSlices * ((Sections.GetSize() - 2) * NumSegments + 1), &BaseVertex, &VertexBuffer);
MeshData.AddIndices(LC_MESHDATA_SHARED, LC_MESH_TRIANGLES, 16, NumSlices * (Sections.GetSize() - 2) * NumSegments * 6, &IndexBuffer);
for (int SectionIdx = 1; SectionIdx < Sections.GetSize() - 1; SectionIdx++)
{
lcMatrix33 Transform1 = lcMatrix33(Sections[SectionIdx]);
lcMatrix33 Transform2 = lcMatrix33(Sections[SectionIdx + 1]);
lcVector3 Offset1 = Sections[SectionIdx].GetTranslation();
lcVector3 Offset2 = Sections[SectionIdx + 1].GetTranslation();
for (int SegmentIdx = 0; SegmentIdx < ((SectionIdx < Sections.GetSize() - 2) ? NumSegments : NumSegments + 1); SegmentIdx++)
{
float t1 = (float)SegmentIdx / (float)NumSegments;
int BaseX = 8;
int BaseY = 4;
for (int SliceIdx = 0; SliceIdx < NumSlices; SliceIdx++)
{
lcVector3 Vertex11 = lcVector3(t1 * 4.0f, PositionTable[(BaseX + SliceIdx) % NumSlices], PositionTable[(BaseY + SliceIdx) % NumSlices]) + lcVector3(0.0f, 1.5f, 0.0f);
lcVector3 Vertex12 = lcVector3((1.0f - t1) * -4.0f, PositionTable[(BaseX + SliceIdx) % NumSlices], PositionTable[(BaseY + SliceIdx) % NumSlices]) + lcVector3(0.0f, 1.5f, 0.0f);
lcVector3 Vertex1 = (lcMul(Vertex11, Transform1) + Offset1) * (1.0f - t1) + (lcMul(Vertex12, Transform2) + Offset2) * t1;
VertexBuffer->Position = Vertex1;
VertexBuffer++;
if (SegmentIdx != NumSegments)
{
*IndexBuffer++ = BaseVertex + SliceIdx;
*IndexBuffer++ = BaseVertex + (SliceIdx + 1) % NumSlices;
*IndexBuffer++ = BaseVertex + (SliceIdx + 1) % NumSlices + NumSlices;
*IndexBuffer++ = BaseVertex + SliceIdx + NumSlices;
*IndexBuffer++ = BaseVertex + SliceIdx;
*IndexBuffer++ = BaseVertex + (SliceIdx + 1) % NumSlices + NumSlices;
}
}
BaseVertex += NumSlices;
}
}
{
const int SectionIdx = Sections.GetSize() - 1;
lcMatrix33 Transform(lcMul(lcMatrix33(lcVector3(0.0f, 1.0f, 0.0f), lcVector3(1.0f, 0.0f, 0.0f), lcVector3(0.0f, 0.0f, 1.0f)), lcMatrix33(Sections[SectionIdx])));
lcVector3 Offset = lcMul31(lcVector3(0.0f, 8.0f, 0.0f), Sections[SectionIdx]);
lcMatrix33 Transform(Sections[SectionIdx]);
lcVector3 Offset = lcMul31(lcVector3(8.0f, 0.0f, 0.0f), Sections[SectionIdx]);
sprintf(Line, "1 16 %f %f %f %f %f %f %f %f %f %f %f %f 572A.DAT\n", Offset[0], Offset[1], Offset[2], Transform[0][0], Transform[1][0], Transform[2][0],
Transform[0][1], Transform[1][1], Transform[2][1], Transform[0][2], Transform[1][2], Transform[2][2]);
@ -444,6 +496,7 @@ lcMesh* lcSynthInfo::CreateMesh(const lcArray<lcPieceControlPoint>& ControlPoint
lcArray<lcMatrix44> Sections;
CalculateSections(ControlPoints, Sections, NULL, NULL);
lcLibraryMeshData MeshData;
lcMemFile File; // todo: rewrite this to pass the parts directly
switch (mType)
@ -457,13 +510,12 @@ lcMesh* lcSynthInfo::CreateMesh(const lcArray<lcPieceControlPoint>& ControlPoint
break;
case LC_SYNTH_PIECE_STRING_BRAIDED:
AddStringBraidedParts(File, Sections);
AddStringBraidedParts(File, MeshData, Sections);
break;
}
File.WriteU8(0);
lcLibraryMeshData MeshData;
lcArray<lcLibraryTextureMap> TextureStack;
File.Seek(0, SEEK_SET);

4
common/lc_synth.h
View file

@ -17,6 +17,8 @@ struct lcSynthComponent
float Length;
};
class lcLibraryMeshData;
class lcSynthInfo
{
public:
@ -30,7 +32,7 @@ protected:
void CalculateSections(const lcArray<lcPieceControlPoint>& ControlPoints, lcArray<lcMatrix44>& Sections, void(*SectionCallback)(const lcVector3& CurvePoint, int SegmentIndex, float t, void* Param), void* CallbackParam) const;
void AddRibbedHoseParts(lcMemFile& File, const lcArray<lcMatrix44>& Sections) const;
void AddFlexibleAxleParts(lcMemFile& File, const lcArray<lcMatrix44>& Sections) const;
void AddStringBraidedParts(lcMemFile& File, const lcArray<lcMatrix44>& Sections) const;
void AddStringBraidedParts(lcMemFile& File, lcLibraryMeshData& MeshData, const lcArray<lcMatrix44>& Sections) const;
lcSynthType mType;
lcSynthComponent mStart;