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metaforce/Runtime/Graphics/CLineRenderer.cpp

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#include "Runtime/Graphics/CLineRenderer.hpp"
#include "Runtime/Graphics/Shaders/CLineRendererShaders.hpp"
#include <logvisor/logvisor.hpp>
namespace urde {
logvisor::Module LineRendererLog("urde::CLineRenderer");
CLineRenderer::CLineRenderer(EPrimitiveMode mode, u32 maxVerts, hsh::texture2d texture,
bool additive, hsh::Compare zComp)
: m_mode(mode), m_maxVerts(maxVerts) {
if (maxVerts < 2) {
LineRendererLog.report(logvisor::Fatal, FMT_STRING(_SYS_STR("maxVerts < 2, maxVerts = {}")), maxVerts);
return;
}
m_textured = bool(texture);
u32 maxTriVerts = 0;
switch (mode) {
case EPrimitiveMode::Lines:
case EPrimitiveMode::LineStrip:
maxTriVerts = maxVerts * 4;
break;
case EPrimitiveMode::LineLoop:
maxTriVerts = maxVerts * 4 + 4;
break;
}
if (texture) {
m_vertBuf = hsh::create_dynamic_vertex_buffer<SDrawVertTex>(maxTriVerts);
} else {
m_vertBuf = hsh::create_dynamic_vertex_buffer<SDrawVertNoTex>(maxTriVerts);
}
m_uniformBuf = hsh::create_dynamic_uniform_buffer<SDrawUniform>();
CLineRendererShaders::BindShader(*this, texture, additive, zComp);
}
rstl::reserved_vector<CLineRenderer::SDrawVertTex, 1024> CLineRenderer::g_StaticLineVertsTex = {};
rstl::reserved_vector<CLineRenderer::SDrawVertNoTex, 1024> CLineRenderer::g_StaticLineVertsNoTex = {};
static bool IntersectLines(const zeus::CVector2f& pa1, const zeus::CVector2f& pa2, const zeus::CVector2f& pb1,
const zeus::CVector2f& pb2, zeus::CVector3f& intersect) {
zeus::CVector2f deltaA = pa1 - pa2;
zeus::CVector2f deltaB = pb1 - pb2;
float det = deltaA.cross(deltaB);
if (std::fabs(det) < 0.000001f)
return false;
float c0 = pa1.cross(pa2);
float c1 = pb1.cross(pb2);
intersect = (c0 * (pb1 - pb2) - c1 * (pa1 - pa2)) / det;
return true;
}
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[0] || m_nextVert >= m_maxVerts)
return;
float adjWidth = width / 480.f;
float w;
zeus::CVector3f projPt = CGraphics::ProjectModelPointToViewportSpace(position, w);
if (m_mode == EPrimitiveMode::LineLoop) {
if (m_nextVert == 0) {
m_firstPos = projPt;
m_firstW = w;
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.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dvb, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.push_back(g_StaticLineVertsTex.back());
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dvb, m_lastW), m_lastColor, m_lastUV);
} else {
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dva, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dva, m_lastW), m_lastColor, m_lastUV);
}
} else {
zeus::CVector3f intersect1;
bool good1 = IntersectLines(m_lastPos2.toVec2f() + dva, m_lastPos.toVec2f() + dva, m_lastPos.toVec2f() + dvb,
projPt.toVec2f() + dvb, intersect1);
if ((intersect1.toVec2f() - m_lastPos.toVec2f()).magnitude() > m_lastWidth * 2.f)
good1 = false;
zeus::CVector3f intersect2;
bool good2 = IntersectLines(m_lastPos2.toVec2f() - dva, m_lastPos.toVec2f() - dva, m_lastPos.toVec2f() - dvb,
projPt.toVec2f() - dvb, intersect2);
if ((intersect2.toVec2f() - m_lastPos.toVec2f()).magnitude() > m_lastWidth * 2.f)
good2 = false;
if (good1 && good2) {
intersect1.z() = float(m_lastPos.z());
intersect2.z() = float(m_lastPos.z());
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(intersect1, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(intersect2, m_lastW), m_lastColor, m_lastUV);
} else {
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dva, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dva, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dvb, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dvb, m_lastW), m_lastColor, m_lastUV);
}
}
} else {
if (m_mode == EPrimitiveMode::Lines) {
if (m_nextVert & 1) {
g_StaticLineVertsNoTex.push_back(g_StaticLineVertsNoTex.back());
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dvb, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.push_back(g_StaticLineVertsNoTex.back());
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dvb, m_lastW), m_lastColor);
} else {
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dva, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dva, m_lastW), m_lastColor);
}
} else {
zeus::CVector3f intersect1;
bool good1 = IntersectLines(m_lastPos2.toVec2f() + dva, m_lastPos.toVec2f() + dva, m_lastPos.toVec2f() + dvb,
projPt.toVec2f() + dvb, intersect1);
if ((intersect1.toVec2f() - m_lastPos.toVec2f()).magnitude() > m_lastWidth * 2.f)
good1 = false;
zeus::CVector3f intersect2;
bool good2 = IntersectLines(m_lastPos2.toVec2f() - dva, m_lastPos.toVec2f() - dva, m_lastPos.toVec2f() - dvb,
projPt.toVec2f() - dvb, intersect2);
if ((intersect2.toVec2f() - m_lastPos.toVec2f()).magnitude() > m_lastWidth * 2.f)
good2 = false;
if (good1 && good2) {
intersect1.z() = float(m_lastPos.z());
intersect2.z() = float(m_lastPos.z());
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(intersect1, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(intersect2, m_lastW), m_lastColor);
} else {
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dva, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dva, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dvb, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dvb, m_lastW), 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.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dv, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dv, m_lastW), m_lastColor, m_lastUV);
} else {
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dv, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dv, m_lastW), m_lastColor);
}
}
m_lastPos2 = m_lastPos;
m_lastPos = projPt;
m_lastW = w;
m_lastUV = uv;
m_lastColor = color;
m_lastWidth = adjWidth;
++m_nextVert;
}
void CLineRenderer::Render(bool alphaWrite, const zeus::CColor& moduColor) {
SCOPED_GRAPHICS_DEBUG_GROUP("CLineRenderer::Render", zeus::skGrey);
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;
bool good1 = IntersectLines(m_lastPos2.toVec2f() + dva, m_lastPos.toVec2f() + dva, m_lastPos.toVec2f() + dvb,
m_firstPos.toVec2f() + dvb, intersect1);
if ((intersect1.toVec2f() - m_lastPos.toVec2f()).magnitude() > m_lastWidth * 2.f)
good1 = false;
zeus::CVector3f intersect2;
bool good2 = IntersectLines(m_lastPos2.toVec2f() - dva, m_lastPos.toVec2f() - dva, m_lastPos.toVec2f() - dvb,
m_firstPos.toVec2f() - dvb, intersect2);
if ((intersect2.toVec2f() - m_lastPos.toVec2f()).magnitude() > m_lastWidth * 2.f)
good2 = false;
if (m_textured) {
if (good1 && good2) {
intersect1.z() = float(m_lastPos.z());
intersect2.z() = float(m_lastPos.z());
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(intersect1, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(intersect2, m_lastW), m_lastColor, m_lastUV);
} else {
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dva, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dva, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dvb, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dvb, m_lastW), m_lastColor, m_lastUV);
}
} else {
if (good1 && good2) {
intersect1.z() = float(m_lastPos.z());
intersect2.z() = float(m_lastPos.z());
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(intersect1, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(intersect2, m_lastW), m_lastColor);
} else {
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dva, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dva, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dvb, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dvb, m_lastW), 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;
bool good1 = IntersectLines(m_lastPos.toVec2f() + dva, m_firstPos.toVec2f() + dva, m_firstPos.toVec2f() + dvb,
m_secondPos.toVec2f() + dvb, intersect1);
if ((intersect1.toVec2f() - m_firstPos.toVec2f()).magnitude() > m_firstWidth * 2.f)
good1 = false;
zeus::CVector3f intersect2;
bool good2 = IntersectLines(m_lastPos.toVec2f() - dva, m_firstPos.toVec2f() - dva, m_firstPos.toVec2f() - dvb,
m_secondPos.toVec2f() - dvb, intersect2);
if ((intersect2.toVec2f() - m_firstPos.toVec2f()).magnitude() > m_firstWidth * 2.f)
good2 = false;
if (m_textured) {
if (good1 && good2) {
intersect1.z() = float(m_firstPos.z());
intersect2.z() = float(m_firstPos.z());
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(intersect1, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(intersect2, m_lastW), m_lastColor, m_lastUV);
} else {
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_firstPos + dva, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_firstPos - dva, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_firstPos + dvb, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_firstPos - dvb, m_lastW), m_lastColor, m_lastUV);
}
} else {
if (good1 && good2) {
intersect1.z() = float(m_firstPos.z());
intersect2.z() = float(m_firstPos.z());
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(intersect1, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(intersect2, m_lastW), m_lastColor);
} else {
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_firstPos + dva, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_firstPos - dva, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_firstPos + dvb, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_firstPos - dvb, m_lastW), m_lastColor);
}
}
}
} 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.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dv, m_lastW), m_lastColor, m_lastUV);
g_StaticLineVertsTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dv, m_lastW), m_lastColor, m_lastUV);
}
} else {
if (m_mode == EPrimitiveMode::Lines && (m_nextVert & 1)) {
} else {
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos + dv, m_lastW), m_lastColor);
g_StaticLineVertsNoTex.emplace_back(zeus::CVector4f::ToClip(m_lastPos - dv, m_lastW), m_lastColor);
}
}
}
m_final = true;
}
m_uniformBuf.load(SDrawUniform{moduColor, CGraphics::g_Fog});
if (m_textured) {
if (!g_StaticLineVertsTex.empty()) {
m_vertBuf.load<SDrawVertTex>(g_StaticLineVertsTex);
m_shaderBind[alphaWrite].draw(0, g_StaticLineVertsTex.size());
}
} else {
if (!g_StaticLineVertsNoTex.empty()) {
m_vertBuf.load<SDrawVertNoTex>(g_StaticLineVertsNoTex);
m_shaderBind[alphaWrite].draw(0, g_StaticLineVertsNoTex.size());
}
}
}
} // namespace urde
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