CStaticModel: Make use of ranged for

This commit is contained in:
Lioncash 2020-06-22 02:23:55 -04:00
parent 2732ae8383
commit 6120e60b05

View File

@ -33,26 +33,25 @@ void CStaticModel::BufferGL()
mVBO.Clear();
mIBOs.clear();
for (uint32 iSurf = 0; iSurf < mSurfaces.size(); iSurf++)
for (size_t iSurf = 0; iSurf < mSurfaces.size(); iSurf++)
{
SSurface *pSurf = mSurfaces[iSurf];
uint16 VBOStartOffset = (uint16) mVBO.Size();
mVBO.Reserve((uint16) pSurf->VertexCount);
const auto VBOStartOffset = static_cast<uint16>(mVBO.Size());
mVBO.Reserve(static_cast<uint16>(pSurf->VertexCount));
for (uint32 iPrim = 0; iPrim < pSurf->Primitives.size(); iPrim++)
for (const auto& pPrim : pSurf->Primitives)
{
SSurface::SPrimitive *pPrim = &pSurf->Primitives[iPrim];
CIndexBuffer *pIBO = InternalGetIBO(pPrim->Type);
pIBO->Reserve(pPrim->Vertices.size() + 1); // Allocate enough space for this primitive, plus the restart index
CIndexBuffer *pIBO = InternalGetIBO(pPrim.Type);
pIBO->Reserve(pPrim.Vertices.size() + 1); // Allocate enough space for this primitive, plus the restart index
// Next step: add new vertices to the VBO and create a small index buffer for the current primitive
std::vector<uint16> Indices(pPrim->Vertices.size());
for (uint32 iVert = 0; iVert < pPrim->Vertices.size(); iVert++)
Indices[iVert] = mVBO.AddIfUnique(pPrim->Vertices[iVert], VBOStartOffset);
std::vector<uint16> Indices(pPrim.Vertices.size());
for (size_t iVert = 0; iVert < pPrim.Vertices.size(); iVert++)
Indices[iVert] = mVBO.AddIfUnique(pPrim.Vertices[iVert], VBOStartOffset);
// then add the indices to the IBO. We convert some primitives to strips to minimize draw calls.
switch (pPrim->Type)
switch (pPrim.Type)
{
case EPrimitiveType::Triangles:
pIBO->TrianglesToStrips(Indices.data(), Indices.size());
@ -74,14 +73,14 @@ void CStaticModel::BufferGL()
while (mIBOs.size() > mSurfaceEndOffsets.size())
mSurfaceEndOffsets.emplace_back(std::vector<uint32>(mSurfaces.size()));
for (uint32 iIBO = 0; iIBO < mIBOs.size(); iIBO++)
for (size_t iIBO = 0; iIBO < mIBOs.size(); iIBO++)
mSurfaceEndOffsets[iIBO][iSurf] = mIBOs[iIBO].GetSize();
}
mVBO.Buffer();
for (uint32 iIBO = 0; iIBO < mIBOs.size(); iIBO++)
mIBOs[iIBO].Buffer();
for (auto& ibo : mIBOs)
ibo.Buffer();
mBuffered = true;
}
@ -89,8 +88,10 @@ void CStaticModel::BufferGL()
void CStaticModel::GenerateMaterialShaders()
{
if (mpMaterial)
mpMaterial->GenerateShader(false);
if (mpMaterial == nullptr)
return;
mpMaterial->GenerateShader(false);
}
void CStaticModel::ClearGLBuffer()
@ -103,20 +104,20 @@ void CStaticModel::ClearGLBuffer()
void CStaticModel::Draw(FRenderOptions Options)
{
if (!mBuffered) BufferGL();
if (!mBuffered)
BufferGL();
mVBO.Bind();
glLineWidth(1.f);
auto DoDraw = [this]()
const auto DoDraw = [this]
{
// Draw IBOs
for (uint32 iIBO = 0; iIBO < mIBOs.size(); iIBO++)
for (CIndexBuffer& ibo : mIBOs)
{
CIndexBuffer *pIBO = &mIBOs[iIBO];
pIBO->Bind();
glDrawElements(pIBO->GetPrimitiveType(), pIBO->GetSize(), GL_UNSIGNED_SHORT, nullptr);
pIBO->Unbind();
ibo.Bind();
glDrawElements(ibo.GetPrimitiveType(), ibo.GetSize(), GL_UNSIGNED_SHORT, nullptr);
ibo.Unbind();
gDrawCount++;
}
};
@ -124,7 +125,7 @@ void CStaticModel::Draw(FRenderOptions Options)
// Bind material
if ((Options & ERenderOption::NoMaterialSetup) == 0)
{
for (CMaterial* passMat = mpMaterial; passMat; passMat = passMat->GetNextDrawPass())
for (CMaterial* passMat = mpMaterial; passMat != nullptr; passMat = passMat->GetNextDrawPass())
{
passMat->SetCurrent(Options);
DoDraw();
@ -140,21 +141,26 @@ void CStaticModel::Draw(FRenderOptions Options)
void CStaticModel::DrawSurface(FRenderOptions Options, uint32 Surface)
{
if (!mBuffered) BufferGL();
if (!mBuffered)
BufferGL();
mVBO.Bind();
glLineWidth(1.f);
auto DoDraw = [this, Surface]()
const auto DoDraw = [this, Surface]
{
for (uint32 iIBO = 0; iIBO < mIBOs.size(); iIBO++)
for (size_t iIBO = 0; iIBO < mIBOs.size(); iIBO++)
{
// Since there is a shared IBO for every mesh, we need two things to draw a single one: an offset and a size
uint32 Offset = 0;
if (Surface > 0) Offset = mSurfaceEndOffsets[iIBO][Surface - 1];
uint32 Size = mSurfaceEndOffsets[iIBO][Surface] - Offset;
if (Surface > 0)
Offset = mSurfaceEndOffsets[iIBO][Surface - 1];
if (!Size) continue; // The chosen submesh doesn't use this IBO
const uint32 Size = mSurfaceEndOffsets[iIBO][Surface] - Offset;
// The chosen submesh doesn't use this IBO
if (Size == 0)
continue;
// Now we have both, so we can draw
mIBOs[iIBO].DrawElements(Offset, Size);
@ -165,7 +171,7 @@ void CStaticModel::DrawSurface(FRenderOptions Options, uint32 Surface)
// Bind material
if ((Options & ERenderOption::NoMaterialSetup) == 0)
{
for (CMaterial* passMat = mpMaterial; passMat; passMat = passMat->GetNextDrawPass())
for (CMaterial* passMat = mpMaterial; passMat != nullptr; passMat = passMat->GetNextDrawPass())
{
passMat->SetCurrent(Options);
DoDraw();
@ -181,7 +187,8 @@ void CStaticModel::DrawSurface(FRenderOptions Options, uint32 Surface)
void CStaticModel::DrawWireframe(FRenderOptions Options, CColor WireColor /*= CColor::skWhite*/)
{
if (!mBuffered) BufferGL();
if (!mBuffered)
BufferGL();
// Set up wireframe
WireColor.A = 0;
@ -221,12 +228,12 @@ bool CStaticModel::IsOccluder() const
CIndexBuffer* CStaticModel::InternalGetIBO(EPrimitiveType Primitive)
{
GLenum type = GXPrimToGLPrim(Primitive);
const GLenum type = GXPrimToGLPrim(Primitive);
for (uint32 iIBO = 0; iIBO < mIBOs.size(); iIBO++)
for (auto& ibo : mIBOs)
{
if (mIBOs[iIBO].GetPrimitiveType() == type)
return &mIBOs[iIBO];
if (ibo.GetPrimitiveType() == type)
return &ibo;
}
mIBOs.emplace_back(CIndexBuffer(type));