metaforce/Runtime/Graphics/CLineRenderer.cpp

377 lines
14 KiB
C++

#include "CLineRenderer.hpp"
#include "Shaders/CLineRendererShaders.hpp"
namespace urde
{
logvisor::Module LineRendererLog("urde::CLineRenderer");
void CLineRenderer::Initialize()
{
CLineRendererShaders::Initialize();
}
void CLineRenderer::Shutdown()
{
CLineRendererShaders::Shutdown();
s_vertPoolTex.doDestroy();
s_vertPoolNoTex.doDestroy();
s_uniformPool.doDestroy();
}
hecl::VertexBufferPool<CLineRenderer::SDrawVertTex> CLineRenderer::s_vertPoolTex = {};
hecl::VertexBufferPool<CLineRenderer::SDrawVertNoTex> CLineRenderer::s_vertPoolNoTex = {};
hecl::UniformBufferPool<CLineRenderer::SDrawUniform> CLineRenderer::s_uniformPool = {};
CLineRenderer::CLineRenderer(boo::IGraphicsDataFactory::Context& ctx,
EPrimitiveMode mode, u32 maxVerts,
const boo::ObjToken<boo::ITexture>& texture,
bool additive, bool zTest, bool zGEqual)
: m_mode(mode), m_maxVerts(maxVerts)
{
if (maxVerts < 2)
{
LineRendererLog.report(logvisor::Fatal, _S("maxVerts < 2, maxVerts = %i"), maxVerts);
return;
}
m_textured = texture;
u32 maxTriVerts;
switch (mode)
{
case EPrimitiveMode::Lines:
maxTriVerts = maxVerts * 3;
break;
case EPrimitiveMode::LineStrip:
maxTriVerts = maxVerts * 2;
break;
case EPrimitiveMode::LineLoop:
maxTriVerts = maxVerts * 2 + 2;
break;
}
if (texture)
m_vertBufTex = s_vertPoolTex.allocateBlock(CGraphics::g_BooFactory, maxTriVerts);
else
m_vertBufNoTex = s_vertPoolNoTex.allocateBlock(CGraphics::g_BooFactory, maxTriVerts);
m_uniformBuf = s_uniformPool.allocateBlock(CGraphics::g_BooFactory);
CLineRendererShaders::BuildShaderDataBinding(ctx, *this, texture, additive, zTest, zGEqual);
}
CLineRenderer::CLineRenderer(EPrimitiveMode mode, u32 maxVerts,
const boo::ObjToken<boo::ITexture>& texture,
bool additive, bool zTest, bool zGEqual)
: m_mode(mode), m_maxVerts(maxVerts)
{
if (maxVerts < 2)
{
LineRendererLog.report(logvisor::Fatal, _S("maxVerts < 2, maxVerts = %i"), maxVerts);
return;
}
m_textured = texture;
u32 maxTriVerts;
switch (mode)
{
case EPrimitiveMode::Lines:
maxTriVerts = maxVerts * 3;
break;
case EPrimitiveMode::LineStrip:
maxTriVerts = maxVerts * 2;
break;
case EPrimitiveMode::LineLoop:
maxTriVerts = maxVerts * 2 + 2;
break;
}
if (texture)
m_vertBufTex = s_vertPoolTex.allocateBlock(CGraphics::g_BooFactory, maxTriVerts);
else
m_vertBufNoTex = s_vertPoolNoTex.allocateBlock(CGraphics::g_BooFactory, maxTriVerts);
m_uniformBuf = s_uniformPool.allocateBlock(CGraphics::g_BooFactory);
CGraphicsCommitResources([&](boo::IGraphicsDataFactory::Context& ctx)
{
CLineRendererShaders::BuildShaderDataBinding(ctx, *this, texture, additive, zTest, zGEqual);
return true;
});
}
rstl::reserved_vector<CLineRenderer::SDrawVertTex, 1024> CLineRenderer::g_StaticLineVertsTex = {};
rstl::reserved_vector<CLineRenderer::SDrawVertNoTex, 1024> CLineRenderer::g_StaticLineVertsNoTex = {};
static zeus::CVector2f IntersectLines(const zeus::CVector2f& pa1, const zeus::CVector2f& pa2,
const zeus::CVector2f& pb1, const zeus::CVector2f& pb2)
{
zeus::CVector2f pa1mpa2 = pa1 - pa2;
zeus::CVector2f pb1mpb2 = pb1 - pb2;
float denom = pa1mpa2.x * pb1mpb2.y - pa1mpa2.y * pb1mpb2.x;
if (denom < 0.01f)
return pa2;
float numt1 = pa1.x * pa2.y - pa1.y * pa2.x;
float numt2 = pb1.x * pb2.y - pb1.y * pb2.x;
return {(numt1 * pb1mpb2.x - pa1mpa2.x * numt2) / denom,
(numt1 * pb1mpb2.y - pa1mpa2.y * numt2) / denom};
}
void CLineRenderer::Reset()
{
m_nextVert = 0;
m_final = false;
if (m_textured)
g_StaticLineVertsTex.clear();
else
g_StaticLineVertsNoTex.clear();
}
void CLineRenderer::AddVertex(const zeus::CVector3f& position, const zeus::CColor& color, float width,
const zeus::CVector2f& uv)
{
if (m_final || !m_shaderBind || m_nextVert >= m_maxVerts)
return;
float adjWidth = width / 480.f;
zeus::CVector3f projPt = CGraphics::ProjectModelPointToViewportSpace(position);
if (m_mode == EPrimitiveMode::LineLoop)
{
if (m_nextVert == 0)
{
m_firstPos = projPt;
m_secondPos = projPt;
m_firstUV = uv;
m_firstColor = color;
m_firstWidth = adjWidth;
}
else if (m_nextVert == 1)
{
m_secondPos = projPt;
}
}
if (m_nextVert > 1)
{
zeus::CVector2f dva = (m_lastPos - m_lastPos2).toVec2f();
if (!dva.canBeNormalized())
dva = {0.f, 1.f};
dva = dva.normalized().perpendicularVector() * m_lastWidth;
dva.x /= CGraphics::g_ProjAspect;
zeus::CVector2f dvb = (projPt - m_lastPos).toVec2f();
if (!dvb.canBeNormalized())
dvb = {0.f, 1.f};
dvb = dvb.normalized().perpendicularVector() * m_lastWidth;
dvb.x /= CGraphics::g_ProjAspect;
if (m_textured)
{
if (m_mode == EPrimitiveMode::Lines)
{
if (m_nextVert & 1)
{
g_StaticLineVertsTex.push_back(g_StaticLineVertsTex.back());
g_StaticLineVertsTex.push_back({m_lastPos + dvb, m_lastColor, m_lastUV});
g_StaticLineVertsTex.push_back(g_StaticLineVertsTex.back());
g_StaticLineVertsTex.push_back({m_lastPos - dvb, m_lastColor, m_lastUV});
}
else
{
g_StaticLineVertsTex.push_back({m_lastPos + dva, m_lastColor, m_lastUV});
g_StaticLineVertsTex.push_back({m_lastPos - dva, m_lastColor, m_lastUV});
}
}
else
{
zeus::CVector3f intersect1 = IntersectLines(m_lastPos2.toVec2f() + dva, m_lastPos.toVec2f() + dva,
m_lastPos.toVec2f() + dvb, projPt.toVec2f() + dvb);
intersect1.z = m_lastPos.z;
zeus::CVector3f intersect2 = IntersectLines(m_lastPos2.toVec2f() - dva, m_lastPos.toVec2f() - dva,
m_lastPos.toVec2f() - dvb, projPt.toVec2f() - dvb);
intersect2.z = m_lastPos.z;
g_StaticLineVertsTex.push_back({intersect1, m_lastColor, m_lastUV});
g_StaticLineVertsTex.push_back({intersect2, m_lastColor, m_lastUV});
}
}
else
{
if (m_mode == EPrimitiveMode::Lines)
{
if (m_nextVert & 1)
{
g_StaticLineVertsNoTex.push_back(g_StaticLineVertsNoTex.back());
g_StaticLineVertsNoTex.push_back({m_lastPos + dvb, m_lastColor});
g_StaticLineVertsNoTex.push_back(g_StaticLineVertsNoTex.back());
g_StaticLineVertsNoTex.push_back({m_lastPos - dvb, m_lastColor});
}
else
{
g_StaticLineVertsNoTex.push_back({m_lastPos + dva, m_lastColor});
g_StaticLineVertsNoTex.push_back({m_lastPos - dva, m_lastColor});
}
}
else
{
zeus::CVector3f intersect1 = IntersectLines(m_lastPos2.toVec2f() + dva, m_lastPos.toVec2f() + dva,
m_lastPos.toVec2f() + dvb, projPt.toVec2f() + dvb);
intersect1.z = m_lastPos.z;
zeus::CVector3f intersect2 = IntersectLines(m_lastPos2.toVec2f() - dva, m_lastPos.toVec2f() - dva,
m_lastPos.toVec2f() - dvb, projPt.toVec2f() - dvb);
intersect2.z = m_lastPos.z;
g_StaticLineVertsNoTex.push_back({intersect1, m_lastColor});
g_StaticLineVertsNoTex.push_back({intersect2, m_lastColor});
}
}
}
else if (m_nextVert == 1)
{
zeus::CVector2f dv = (projPt - m_lastPos).toVec2f();
if (!dv.canBeNormalized())
dv = {0.f, 1.f};
dv = dv.normalized().perpendicularVector() * m_lastWidth;
dv.x /= CGraphics::g_ProjAspect;
if (m_textured)
{
g_StaticLineVertsTex.push_back({m_lastPos + dv, m_lastColor, m_lastUV});
g_StaticLineVertsTex.push_back({m_lastPos - dv, m_lastColor, m_lastUV});
}
else
{
g_StaticLineVertsNoTex.push_back({m_lastPos + dv, m_lastColor});
g_StaticLineVertsNoTex.push_back({m_lastPos - dv, m_lastColor});
}
}
m_lastPos2 = m_lastPos;
m_lastPos = projPt;
m_lastUV = uv;
m_lastColor = color;
m_lastWidth = adjWidth;
++m_nextVert;
}
void CLineRenderer::Render(const zeus::CColor& moduColor)
{
if (!m_final && m_nextVert > 1)
{
if (m_mode == EPrimitiveMode::LineLoop)
{
{
zeus::CVector2f dva = (m_lastPos - m_lastPos2).toVec2f();
if (!dva.canBeNormalized())
dva = {0.f, 1.f};
dva = dva.normalized().perpendicularVector() * m_lastWidth;
dva.x /= CGraphics::g_ProjAspect;
zeus::CVector2f dvb = (m_firstPos - m_lastPos).toVec2f();
if (!dvb.canBeNormalized())
dvb = {0.f, 1.f};
dvb = dvb.normalized().perpendicularVector() * m_lastWidth;
dvb.x /= CGraphics::g_ProjAspect;
zeus::CVector3f intersect1 = IntersectLines(m_lastPos2.toVec2f() + dva, m_lastPos.toVec2f() + dva,
m_lastPos.toVec2f() + dvb, m_firstPos.toVec2f() + dvb);
intersect1.z = m_lastPos.z;
zeus::CVector3f intersect2 = IntersectLines(m_lastPos2.toVec2f() - dva, m_lastPos.toVec2f() - dva,
m_lastPos.toVec2f() - dvb, m_firstPos.toVec2f() - dvb);
intersect2.z = m_lastPos.z;
if (m_textured)
{
g_StaticLineVertsTex.push_back({intersect1, m_lastColor, m_lastUV});
g_StaticLineVertsTex.push_back({intersect2, m_lastColor, m_lastUV});
}
else
{
g_StaticLineVertsNoTex.push_back({intersect1, m_lastColor});
g_StaticLineVertsNoTex.push_back({intersect2, m_lastColor});
}
}
{
zeus::CVector2f dva = (m_firstPos - m_lastPos).toVec2f();
if (!dva.canBeNormalized())
dva = {0.f, 1.f};
dva = dva.normalized().perpendicularVector() * m_firstWidth;
dva.x /= CGraphics::g_ProjAspect;
zeus::CVector2f dvb = (m_secondPos - m_firstPos).toVec2f();
if (!dvb.canBeNormalized())
dvb = {0.f, 1.f};
dvb = dvb.normalized().perpendicularVector() * m_firstWidth;
dvb.x /= CGraphics::g_ProjAspect;
zeus::CVector3f intersect1 = IntersectLines(m_lastPos.toVec2f() + dva, m_firstPos.toVec2f() + dva,
m_firstPos.toVec2f() + dvb, m_secondPos.toVec2f() + dvb);
intersect1.z = m_firstPos.z;
zeus::CVector3f intersect2 = IntersectLines(m_lastPos.toVec2f() - dva, m_firstPos.toVec2f() - dva,
m_firstPos.toVec2f() - dvb, m_secondPos.toVec2f() - dvb);
intersect2.z = m_firstPos.z;
if (m_textured)
{
g_StaticLineVertsTex.push_back({intersect1, m_firstColor, m_firstUV});
g_StaticLineVertsTex.push_back({intersect2, m_firstColor, m_firstUV});
}
else
{
g_StaticLineVertsNoTex.push_back({intersect1, m_firstColor});
g_StaticLineVertsNoTex.push_back({intersect2, m_firstColor});
}
}
}
else
{
zeus::CVector2f dv = (m_lastPos - m_lastPos2).toVec2f();
if (!dv.canBeNormalized())
dv = {0.f, 1.f};
dv = dv.normalized().perpendicularVector() * m_lastWidth;
dv.x /= CGraphics::g_ProjAspect;
if (m_textured)
{
if (m_mode == EPrimitiveMode::Lines && (m_nextVert & 1))
{}
else
{
g_StaticLineVertsTex.push_back({m_lastPos + dv, m_lastColor, m_lastUV});
g_StaticLineVertsTex.push_back({m_lastPos - dv, m_lastColor, m_lastUV});
}
}
else
{
if (m_mode == EPrimitiveMode::Lines && (m_nextVert & 1))
{}
else
{
g_StaticLineVertsNoTex.push_back({m_lastPos + dv, m_lastColor});
g_StaticLineVertsNoTex.push_back({m_lastPos - dv, m_lastColor});
}
}
}
m_final = true;
}
m_uniformBuf.access() = SDrawUniform{moduColor};
if (m_textured)
{
memmove(m_vertBufTex.access(), g_StaticLineVertsTex.data(), sizeof(SDrawVertTex) * g_StaticLineVertsTex.size());
CGraphics::SetShaderDataBinding(m_shaderBind);
CGraphics::DrawArray(0, g_StaticLineVertsTex.size());
}
else
{
memmove(m_vertBufNoTex.access(), g_StaticLineVertsNoTex.data(), sizeof(SDrawVertNoTex) * g_StaticLineVertsNoTex.size());
CGraphics::SetShaderDataBinding(m_shaderBind);
CGraphics::DrawArray(0, g_StaticLineVertsNoTex.size());
}
}
}