mirror of https://github.com/AxioDL/metaforce.git
403 lines
14 KiB
C++
403 lines
14 KiB
C++
#include "CLineRenderer.hpp"
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#include "CLineRendererShaders.hpp"
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namespace pshag
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{
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boo::IShaderPipeline* CLineRendererShaders::m_texAlpha = nullptr;
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boo::IShaderPipeline* CLineRendererShaders::m_texAdditive = nullptr;
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boo::IShaderPipeline* CLineRendererShaders::m_noTexAlpha = nullptr;
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boo::IShaderPipeline* CLineRendererShaders::m_noTexAdditive = nullptr;
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boo::IVertexFormat* CLineRendererShaders::m_texVtxFmt = nullptr;
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boo::IVertexFormat* CLineRendererShaders::m_noTexVtxFmt = nullptr;
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std::unique_ptr<CLineRendererShaders::IDataBindingFactory> CLineRendererShaders::m_bindFactory;
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boo::GraphicsDataToken CLineRendererShaders::m_gfxToken;
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void CLineRendererShaders::Initialize()
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{
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if (!CGraphics::g_BooFactory)
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return;
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switch (CGraphics::g_BooFactory->platform())
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{
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case boo::IGraphicsDataFactory::Platform::OGL:
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m_bindFactory.reset(Initialize(*static_cast<boo::GLDataFactory*>(CGraphics::g_BooFactory)));
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break;
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#if _WIN32
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case boo::IGraphicsDataFactory::Platform::D3D11:
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case boo::IGraphicsDataFactory::Platform::D3D12:
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m_bindFactory.reset(Initialize(*static_cast<boo::ID3DDataFactory*>(CGraphics::g_BooFactory)));
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break;
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#elif BOO_HAS_METAL
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case boo::IGraphicsDataFactory::Platform::Metal:
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m_bindFactory.reset(Initialize(*static_cast<boo::MetalDataFactory*>(CGraphics::g_BooFactory)));
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break;
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#endif
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default: break;
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}
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m_gfxToken = CGraphics::CommitResources();
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}
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void CLineRenderer::Initialize()
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{
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CLineRendererShaders::Initialize();
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}
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void CLineRendererShaders::Shutdown()
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{
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m_gfxToken.doDestroy();
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}
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void CLineRenderer::Shutdown()
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{
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CLineRendererShaders::Shutdown();
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}
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struct SDrawVertTex
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{
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Zeus::CVector4f pos;
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Zeus::CColor color;
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Zeus::CVector2f uv;
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};
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struct SDrawVertNoTex
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{
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Zeus::CVector4f pos;
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Zeus::CColor color;
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};
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struct SDrawUniform
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{
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Zeus::CColor moduColor;
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};
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void CLineRendererShaders::BuildShaderDataBinding(CLineRenderer& renderer,
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boo::ITexture* texture, bool additive)
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{
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boo::IShaderPipeline* pipeline = nullptr;
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if (texture)
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{
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if (additive)
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pipeline = m_texAdditive;
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else
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pipeline = m_texAlpha;
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}
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else
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{
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if (additive)
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pipeline = m_noTexAdditive;
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else
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pipeline = m_noTexAlpha;
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}
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m_bindFactory->BuildShaderDataBinding(renderer, pipeline, texture);
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}
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CLineRenderer::CLineRenderer(EPrimitiveMode mode, u32 maxVerts, boo::ITexture* texture, bool additive)
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: m_mode(mode), m_maxVerts(maxVerts)
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{
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if (maxVerts < 2)
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return;
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m_textured = texture != nullptr;
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u32 maxTriVerts;
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switch (mode)
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{
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case EPrimitiveMode::Lines:
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maxTriVerts = maxVerts * 3;
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break;
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case EPrimitiveMode::LineStrip:
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maxTriVerts = maxVerts * 2;
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break;
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case EPrimitiveMode::LineLoop:
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maxTriVerts = maxVerts * 2 + 2;
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break;
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}
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m_vertBuf = CGraphics::NewDynamicGPUBuffer(boo::BufferUse::Vertex,
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texture ? sizeof(SDrawVertTex) : sizeof(SDrawVertNoTex),
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maxTriVerts);
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m_uniformBuf = CGraphics::NewDynamicGPUBuffer(boo::BufferUse::Uniform, sizeof(SDrawUniform), 1);
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CLineRendererShaders::BuildShaderDataBinding(*this, texture, additive);
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m_gfxToken = CGraphics::CommitResources();
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}
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static rstl::reserved_vector<SDrawVertTex, 256> g_StaticLineVertsTex;
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static rstl::reserved_vector<SDrawVertNoTex, 256> g_StaticLineVertsNoTex;
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static Zeus::CVector2f IntersectLines(const Zeus::CVector2f& pa1, const Zeus::CVector2f& pa2,
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const Zeus::CVector2f& pb1, const Zeus::CVector2f& pb2)
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{
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Zeus::CVector2f pa1mpa2 = pa1 - pa2;
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Zeus::CVector2f pb1mpb2 = pb1 - pb2;
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float denom = pa1mpa2.x * pb1mpb2.y - pa1mpa2.y * pb1mpb2.x;
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float numt1 = pa1.x * pa2.y - pa1.y * pa2.x;
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float numt2 = pb1.x * pb2.y - pb1.y * pb2.x;
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return {(numt1 * pb1mpb2.x - pa1mpa2.x * numt2) / denom,
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(numt1 * pb1mpb2.y - pa1mpa2.y * numt2) / denom};
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}
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void CLineRenderer::Reset()
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{
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m_nextVert = 0;
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m_final = false;
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if (m_textured)
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g_StaticLineVertsTex.clear();
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else
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g_StaticLineVertsNoTex.clear();
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}
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void CLineRenderer::AddVertex(const Zeus::CVector3f& position, const Zeus::CColor& color, float width,
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const Zeus::CVector2f& uv)
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{
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if (m_final || !m_shaderBind || m_nextVert >= m_maxVerts)
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return;
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float adjWidth = width / 480.f;
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Zeus::CVector3f projPt = CGraphics::ProjectModelPointToViewportSpace(position);
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if (m_mode == EPrimitiveMode::LineLoop)
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{
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if (m_nextVert == 0)
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{
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m_firstPos = projPt;
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m_secondPos = projPt;
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m_firstUV = uv;
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m_firstColor = color;
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m_firstWidth = adjWidth;
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}
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else if (m_nextVert == 1)
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{
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m_secondPos = projPt;
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}
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}
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if (m_nextVert > 1)
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{
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Zeus::CVector2f dva = (m_lastPos - m_lastPos2).toVec2f();
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if (!dva.canBeNormalized())
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dva = {0.f, 1.f};
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dva = dva.normalized().perpendicularVector() * m_lastWidth;
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dva.x /= CGraphics::g_ProjAspect;
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Zeus::CVector2f dvb = (projPt - m_lastPos).toVec2f();
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if (!dvb.canBeNormalized())
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dvb = {0.f, 1.f};
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dvb = dvb.normalized().perpendicularVector() * m_lastWidth;
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dvb.x /= CGraphics::g_ProjAspect;
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if (m_textured)
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{
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if (m_mode == EPrimitiveMode::Lines)
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{
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if (m_nextVert & 1)
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{
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g_StaticLineVertsTex.push_back(g_StaticLineVertsTex.back());
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g_StaticLineVertsTex.push_back({m_lastPos + dvb, m_lastColor, m_lastUV});
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g_StaticLineVertsTex.push_back(g_StaticLineVertsTex.back());
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g_StaticLineVertsTex.push_back({m_lastPos - dvb, m_lastColor, m_lastUV});
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}
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else
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{
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g_StaticLineVertsTex.push_back({m_lastPos + dva, m_lastColor, m_lastUV});
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g_StaticLineVertsTex.push_back({m_lastPos - dva, m_lastColor, m_lastUV});
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}
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}
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else
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{
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Zeus::CVector3f intersect1 = IntersectLines(m_lastPos2.toVec2f() + dva, m_lastPos.toVec2f() + dva,
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m_lastPos.toVec2f() + dvb, projPt.toVec2f() + dvb);
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intersect1.z = m_lastPos.z;
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Zeus::CVector3f intersect2 = IntersectLines(m_lastPos2.toVec2f() - dva, m_lastPos.toVec2f() - dva,
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m_lastPos.toVec2f() - dvb, projPt.toVec2f() - dvb);
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intersect2.z = m_lastPos.z;
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g_StaticLineVertsTex.push_back({intersect1, m_lastColor, m_lastUV});
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g_StaticLineVertsTex.push_back({intersect2, m_lastColor, m_lastUV});
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}
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}
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else
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{
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if (m_mode == EPrimitiveMode::Lines)
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{
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if (m_nextVert & 1)
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{
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g_StaticLineVertsNoTex.push_back(g_StaticLineVertsNoTex.back());
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g_StaticLineVertsNoTex.push_back({m_lastPos + dvb, m_lastColor});
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g_StaticLineVertsNoTex.push_back(g_StaticLineVertsNoTex.back());
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g_StaticLineVertsNoTex.push_back({m_lastPos - dvb, m_lastColor});
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}
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else
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{
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g_StaticLineVertsNoTex.push_back({m_lastPos + dva, m_lastColor});
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g_StaticLineVertsNoTex.push_back({m_lastPos - dva, m_lastColor});
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}
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}
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else
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{
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Zeus::CVector3f intersect1 = IntersectLines(m_lastPos2.toVec2f() + dva, m_lastPos.toVec2f() + dva,
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m_lastPos.toVec2f() + dvb, projPt.toVec2f() + dvb);
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intersect1.z = m_lastPos.z;
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Zeus::CVector3f intersect2 = IntersectLines(m_lastPos2.toVec2f() - dva, m_lastPos.toVec2f() - dva,
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m_lastPos.toVec2f() - dvb, projPt.toVec2f() - dvb);
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intersect2.z = m_lastPos.z;
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g_StaticLineVertsNoTex.push_back({intersect1, m_lastColor});
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g_StaticLineVertsNoTex.push_back({intersect2, m_lastColor});
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}
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}
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}
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else if (m_nextVert == 1)
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{
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Zeus::CVector2f dv = (projPt - m_lastPos).toVec2f();
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if (!dv.canBeNormalized())
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dv = {0.f, 1.f};
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dv = dv.normalized().perpendicularVector() * m_lastWidth;
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dv.x /= CGraphics::g_ProjAspect;
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if (m_textured)
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{
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g_StaticLineVertsTex.push_back({m_lastPos + dv, m_lastColor, m_lastUV});
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g_StaticLineVertsTex.push_back({m_lastPos - dv, m_lastColor, m_lastUV});
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}
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else
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{
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g_StaticLineVertsNoTex.push_back({m_lastPos + dv, m_lastColor});
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g_StaticLineVertsNoTex.push_back({m_lastPos - dv, m_lastColor});
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}
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}
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m_lastPos2 = m_lastPos;
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m_lastPos = projPt;
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m_lastUV = uv;
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m_lastColor = color;
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m_lastWidth = adjWidth;
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++m_nextVert;
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}
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void CLineRenderer::Render(const Zeus::CColor& moduColor)
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{
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if (!m_final && m_nextVert > 1)
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{
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if (m_mode == EPrimitiveMode::LineLoop)
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{
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{
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Zeus::CVector2f dva = (m_lastPos - m_lastPos2).toVec2f();
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if (!dva.canBeNormalized())
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dva = {0.f, 1.f};
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dva = dva.normalized().perpendicularVector() * m_lastWidth;
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dva.x /= CGraphics::g_ProjAspect;
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Zeus::CVector2f dvb = (m_firstPos - m_lastPos).toVec2f();
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if (!dvb.canBeNormalized())
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dvb = {0.f, 1.f};
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dvb = dvb.normalized().perpendicularVector() * m_lastWidth;
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dvb.x /= CGraphics::g_ProjAspect;
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Zeus::CVector3f intersect1 = IntersectLines(m_lastPos2.toVec2f() + dva, m_lastPos.toVec2f() + dva,
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m_lastPos.toVec2f() + dvb, m_firstPos.toVec2f() + dvb);
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intersect1.z = m_lastPos.z;
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Zeus::CVector3f intersect2 = IntersectLines(m_lastPos2.toVec2f() - dva, m_lastPos.toVec2f() - dva,
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m_lastPos.toVec2f() - dvb, m_firstPos.toVec2f() - dvb);
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intersect2.z = m_lastPos.z;
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if (m_textured)
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{
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g_StaticLineVertsTex.push_back({intersect1, m_lastColor, m_lastUV});
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g_StaticLineVertsTex.push_back({intersect2, m_lastColor, m_lastUV});
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}
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else
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{
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g_StaticLineVertsNoTex.push_back({intersect1, m_lastColor});
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g_StaticLineVertsNoTex.push_back({intersect2, m_lastColor});
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}
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}
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{
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Zeus::CVector2f dva = (m_firstPos - m_lastPos).toVec2f();
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if (!dva.canBeNormalized())
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dva = {0.f, 1.f};
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dva = dva.normalized().perpendicularVector() * m_firstWidth;
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dva.x /= CGraphics::g_ProjAspect;
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Zeus::CVector2f dvb = (m_secondPos - m_firstPos).toVec2f();
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if (!dvb.canBeNormalized())
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dvb = {0.f, 1.f};
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dvb = dvb.normalized().perpendicularVector() * m_firstWidth;
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dvb.x /= CGraphics::g_ProjAspect;
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Zeus::CVector3f intersect1 = IntersectLines(m_lastPos.toVec2f() + dva, m_firstPos.toVec2f() + dva,
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m_firstPos.toVec2f() + dvb, m_secondPos.toVec2f() + dvb);
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intersect1.z = m_firstPos.z;
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Zeus::CVector3f intersect2 = IntersectLines(m_lastPos.toVec2f() - dva, m_firstPos.toVec2f() - dva,
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m_firstPos.toVec2f() - dvb, m_secondPos.toVec2f() - dvb);
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intersect2.z = m_firstPos.z;
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if (m_textured)
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{
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g_StaticLineVertsTex.push_back({intersect1, m_firstColor, m_firstUV});
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g_StaticLineVertsTex.push_back({intersect2, m_firstColor, m_firstUV});
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}
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else
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{
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g_StaticLineVertsNoTex.push_back({intersect1, m_firstColor});
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g_StaticLineVertsNoTex.push_back({intersect2, m_firstColor});
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}
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}
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}
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else
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{
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Zeus::CVector2f dv = (m_lastPos - m_lastPos2).toVec2f();
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if (!dv.canBeNormalized())
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dv = {0.f, 1.f};
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dv = dv.normalized().perpendicularVector() * m_lastWidth;
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dv.x /= CGraphics::g_ProjAspect;
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if (m_textured)
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{
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if (m_mode == EPrimitiveMode::Lines && (m_nextVert & 1))
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{}
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else
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{
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g_StaticLineVertsTex.push_back({m_lastPos + dv, m_lastColor, m_lastUV});
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g_StaticLineVertsTex.push_back({m_lastPos - dv, m_lastColor, m_lastUV});
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}
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}
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else
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{
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if (m_mode == EPrimitiveMode::Lines && (m_nextVert & 1))
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{}
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else
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{
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g_StaticLineVertsNoTex.push_back({m_lastPos + dv, m_lastColor});
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g_StaticLineVertsNoTex.push_back({m_lastPos - dv, m_lastColor});
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}
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}
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}
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m_final = true;
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}
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SDrawUniform uniformData = {moduColor};
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m_uniformBuf->load(&uniformData, sizeof(SDrawUniform));
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if (m_textured)
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{
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m_vertBuf->load(g_StaticLineVertsTex.data(), sizeof(SDrawVertTex) * g_StaticLineVertsTex.size());
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CGraphics::SetShaderDataBinding(m_shaderBind);
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CGraphics::DrawArray(boo::Primitive::TriStrips, 0, g_StaticLineVertsTex.size());
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}
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else
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{
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m_vertBuf->load(g_StaticLineVertsNoTex.data(), sizeof(SDrawVertNoTex) * g_StaticLineVertsNoTex.size());
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CGraphics::SetShaderDataBinding(m_shaderBind);
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CGraphics::DrawArray(boo::Primitive::TriStrips, 0, g_StaticLineVertsNoTex.size());
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}
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}
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}
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