metaforce/Runtime/GuiSys/CGuiCamera.hpp

57 lines
1.7 KiB
C++

#pragma once
#include <memory>
#include "Runtime/GuiSys/CGuiWidget.hpp"
namespace metaforce {
class CSimplePool;
class CGuiCamera : public CGuiWidget {
public:
enum class EProjection { Perspective, Orthographic };
struct SProjection {
union {
struct {
float xbc_left;
float xc0_right;
float xc4_top;
float xc8_bottom;
float xcc_znear;
float xd0_zfar;
};
struct {
float xbc_fov;
float xc0_aspect;
float xc4_znear;
float xc8_zfar;
};
};
SProjection(float left, float right, float top, float bottom, float znear, float zfar)
: xbc_left(left), xc0_right(right), xc4_top(top), xc8_bottom(bottom), xcc_znear(znear), xd0_zfar(zfar) {}
SProjection(float fov, float aspect, float znear, float zfar)
: xbc_fov(fov), xc0_aspect(aspect), xc4_znear(znear), xc8_zfar(zfar) {}
};
private:
EProjection xb8_projtype;
SProjection m_proj;
public:
CGuiCamera(const CGuiWidgetParms& parms, float left, float right, float top, float bottom, float znear, float zfar);
CGuiCamera(const CGuiWidgetParms& parms, float fov, float aspect, float znear, float zfar);
FourCC GetWidgetTypeID() const override { return FOURCC('CAMR'); }
static std::shared_ptr<CGuiWidget> Create(CGuiFrame* frame, CInputStream& in, CSimplePool* sp);
zeus::CVector3f ConvertToScreenSpace(const zeus::CVector3f& vec) const;
const SProjection& GetProjection() const { return m_proj; }
void SetFov(float fov) { m_proj.xbc_fov = fov; }
void Draw(const CGuiWidgetDrawParms& parms) override;
std::shared_ptr<CGuiCamera> shared_from_this() {
return std::static_pointer_cast<CGuiCamera>(CGuiObject::shared_from_this());
}
};
} // namespace metaforce