mirror of https://github.com/AxioDL/metaforce.git
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
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#include "CFogVolumePlaneShader.hpp"
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namespace urde
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{
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void CFogVolumePlaneShader::CommitResources(size_t capacity)
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{
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m_vertCapacity = capacity;
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m_token = CGraphics::CommitResources([this, capacity](boo::IGraphicsDataFactory::Context& ctx)
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{
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m_vbo = ctx.newDynamicBuffer(boo::BufferUse::Vertex, sizeof(zeus::CVector4f), capacity);
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TShader<CFogVolumePlaneShader>::BuildShaderDataBinding(ctx, *this);
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return true;
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});
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}
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void CFogVolumePlaneShader::addFan(const zeus::CVector3f* verts, int numVerts)
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{
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if (numVerts == 3)
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{
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zeus::CMatrix4f proj = CGraphics::GetPerspectiveProjectionMatrix(true);
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zeus::CVector4f vert0 = proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[0]);
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if (m_verts.size())
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{
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m_verts.push_back(m_verts.back());
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m_verts.push_back(vert0);
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}
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m_verts.push_back(vert0);
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m_verts.push_back(proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[1]));
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m_verts.push_back(proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[2]));
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m_verts.push_back(m_verts.back());
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}
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else if (numVerts == 4)
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{
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zeus::CMatrix4f proj = CGraphics::GetPerspectiveProjectionMatrix(true);
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zeus::CVector4f vert0 = proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[0]);
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if (m_verts.size())
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{
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m_verts.push_back(m_verts.back());
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m_verts.push_back(vert0);
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}
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m_verts.push_back(vert0);
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m_verts.push_back(proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[1]));
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m_verts.push_back(proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[3]));
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m_verts.push_back(proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[2]));
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}
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}
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void CFogVolumePlaneShader::draw(int pass)
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{
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if (m_verts.empty())
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return;
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if (pass == 0)
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{
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if (m_vertCapacity < m_verts.size())
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CommitResources(m_verts.size());
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m_vbo->load(m_verts.data(), m_verts.size() * sizeof(zeus::CVector4f));
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}
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CGraphics::SetShaderDataBinding(m_dataBinds[pass]);
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CGraphics::DrawArray(0, m_verts.size());
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}
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void CFogVolumePlaneShader::Shutdown() {}
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URDE_SPECIALIZE_SHADER(CFogVolumePlaneShader)
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}
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