mirror of https://github.com/AxioDL/metaforce.git
84 lines
2.9 KiB
C++
84 lines
2.9 KiB
C++
#include "CGuiCamera.hpp"
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#include "CGuiFrame.hpp"
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#include "Graphics/CGraphics.hpp"
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#include "CGuiWidgetDrawParms.hpp"
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namespace urde
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{
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CGuiCamera::CGuiCamera(const CGuiWidgetParms& parms,
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float left, float right,
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float top, float bottom,
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float znear, float zfar)
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: CGuiWidget(parms), xb8_projtype(EProjection::Orthographic),
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m_proj(left, right, top, bottom, znear, zfar)
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{}
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CGuiCamera::CGuiCamera(const CGuiWidgetParms& parms,
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float fov, float aspect,
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float znear, float zfar)
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: CGuiWidget(parms), xb8_projtype(EProjection::Perspective),
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m_proj(fov, aspect, znear, zfar)
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{}
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zeus::CVector3f CGuiCamera::ConvertToScreenSpace(const zeus::CVector3f& vec) const
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{
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zeus::CVector3f local = RotateTranslateW2O(vec);
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if (local.isZero())
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return {-1.f, -1.f, 1.f};
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zeus::CMatrix4f mat = CGraphics::CalculatePerspectiveMatrix(m_proj.xbc_fov, m_proj.xc0_aspect,
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m_proj.xc4_znear, m_proj.xc8_zfar,
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false);
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local = zeus::CVector3f(local.x(), local.z(), -local.y());
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return mat.multiplyOneOverW(local);
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}
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void CGuiCamera::Draw(const CGuiWidgetDrawParms& parms) const
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{
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if (xb8_projtype == EProjection::Perspective)
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CGraphics::SetPerspective(m_proj.xbc_fov, m_proj.xc0_aspect, m_proj.xc4_znear, m_proj.xc8_zfar);
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else
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CGraphics::SetOrtho(m_proj.xbc_left, m_proj.xc0_right, m_proj.xc4_top, m_proj.xc8_bottom,
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m_proj.xcc_znear, m_proj.xd0_zfar);
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CGraphics::SetViewPointMatrix(GetGuiFrame()->GetAspectTransform() *
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zeus::CTransform::Translate(parms.x4_cameraOffset) * x34_worldXF);
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CGuiWidget::Draw(parms);
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}
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std::shared_ptr<CGuiWidget> CGuiCamera::Create(CGuiFrame* frame, CInputStream& in, CSimplePool* sp)
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{
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CGuiWidgetParms parms = ReadWidgetHeader(frame, in);
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EProjection proj = EProjection(in.readUint32Big());
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std::shared_ptr<CGuiCamera> ret = {};
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switch (proj)
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{
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case EProjection::Perspective:
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{
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float fov = in.readFloatBig();
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float aspect = in.readFloatBig();
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float znear = in.readFloatBig();
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float zfar = in.readFloatBig();
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ret = std::make_shared<CGuiCamera>(parms, fov, aspect, znear, zfar);
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break;
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}
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case EProjection::Orthographic:
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{
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float left = in.readFloatBig();
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float right = in.readFloatBig();
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float top = in.readFloatBig();
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float bottom = in.readFloatBig();
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float znear = in.readFloatBig();
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float zfar = in.readFloatBig();
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ret = std::make_shared<CGuiCamera>(parms, left, right, top, bottom, znear, zfar);
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break;
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}
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break;
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}
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frame->SetFrameCamera(ret->shared_from_this());
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ret->ParseBaseInfo(frame, in, parms);
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return ret;
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}
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}
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