metaforce/Runtime/GuiSys/CGuiSys.cpp

#include "CGuiSys.hpp"
#include "CGuiWidget.hpp"
#include "CGuiHeadWidget.hpp"
#include "CGuiLight.hpp"
#include "CGuiCamera.hpp"
#include "CGuiGroup.hpp"
#include "CGuiPane.hpp"
#include "CAuiImagePane.hpp"
#include "CAuiMeter.hpp"
#include "CGuiModel.hpp"
#include "CGuiTableGroup.hpp"
#include "CGuiSliderGroup.hpp"
#include "CGuiTextPane.hpp"
#include "CAuiEnergyBarT01.hpp"
#include "CTextParser.hpp"
#include "CSimplePool.hpp"
#include "CTextExecuteBuffer.hpp"
#include "CGuiFrame.hpp"

namespace urde
{

CGuiSys* g_GuiSys = nullptr;
CTextExecuteBuffer* g_TextExecuteBuf = nullptr;
CTextParser* g_TextParser = nullptr;

std::shared_ptr<CGuiWidget> CGuiSys::CreateWidgetInGame(FourCC type, CInputStream& in,
                                                        CGuiFrame* frame, CSimplePool* sp)
{
    switch (type)
    {
    case SBIG('BWIG'):
        return CGuiWidget::Create(frame, in, sp);
    case SBIG('HWIG'):
        return CGuiHeadWidget::Create(frame, in, sp);
    case SBIG('LITE'):
        return CGuiLight::Create(frame, in, sp);
    case SBIG('CAMR'):
        return CGuiCamera::Create(frame, in, sp);
    case SBIG('GRUP'):
        return CGuiGroup::Create(frame, in, sp);
    case SBIG('PANE'):
        return CGuiPane::Create(frame, in, sp);
    case SBIG('IMGP'):
        return CAuiImagePane::Create(frame, in, sp);
    case SBIG('METR'):
        return CAuiMeter::Create(frame, in, sp);
    case SBIG('MODL'):
        return CGuiModel::Create(frame, in, sp);
    case SBIG('TBGP'):
        return CGuiTableGroup::Create(frame, in, sp);
    case SBIG('SLGP'):
        return CGuiSliderGroup::Create(frame, in, sp);
    case SBIG('TXPN'):
        return CGuiTextPane::Create(frame, in, sp);
    case SBIG('ENRG'):
        return CAuiEnergyBarT01::Create(frame, in, sp);
    default: break;
    }
    return {};
}

CGuiSys::CGuiSys(IFactory& resFactory, CSimplePool& resStore, EUsageMode mode)
: x0_resFactory(resFactory), x4_resStore(resStore), x8_mode(mode),
  xc_textExecuteBuf(new CTextExecuteBuffer()),
  x10_textParser(new CTextParser(resStore))
{
    g_TextExecuteBuf = xc_textExecuteBuf.get();
    g_TextParser = x10_textParser.get();
}

void CGuiSys::OnViewportResize()
{
    for (CGuiFrame* frame : m_registeredFrames)
        ViewportResizeFrame(frame);
}

void CGuiSys::ViewportResizeFrame(CGuiFrame* frame)
{
    float vpAspectRatio = g_Viewport.x8_width / float(g_Viewport.xc_height);
    if (frame->m_aspectConstraint > 0.f)
    {
        float hPad, vPad;
        if (vpAspectRatio >= frame->m_aspectConstraint)
        {
            hPad = frame->m_aspectConstraint / vpAspectRatio;
            vPad = frame->m_aspectConstraint / 1.38f;
        }
        else
        {
            hPad = 1.f;
            vPad = vpAspectRatio / 1.38f;
        }
        frame->m_aspectTransform = zeus::CTransform::Scale({hPad, 1.f, vPad});
    }
    else if (frame->m_maxAspect > 0.f)
    {
        if (vpAspectRatio > frame->m_maxAspect)
            frame->m_aspectTransform = zeus::CTransform::Scale({frame->m_maxAspect / vpAspectRatio, 1.f, 1.f});
        else
            frame->m_aspectTransform = zeus::CTransform::Identity();
    }
}

}