metaforce/Runtime/Camera/CGameCamera.cpp

160 lines
4.3 KiB
C++

#include "CGameCamera.hpp"
#include "CStateManager.hpp"
#include "Camera/CCameraManager.hpp"
#include "World/CActorParameters.hpp"
namespace urde
{
CGameCamera::CGameCamera(TUniqueId uid, bool active, const std::string& name, const CEntityInfo& info,
const zeus::CTransform& xf, float fovy, float znear, float zfar, float aspect, TUniqueId uid2,
bool b1, u32 controllerIdx)
: CActor(uid, active, name, info, xf, CModelData::CModelDataNull(), CMaterialList(EMaterialTypes::Unknown),
CActorParameters::None(), kInvalidUniqueId)
, xe8_watchedObject(uid2)
, x12c_(xf)
, x15c_currentFov(fovy)
, x160_znear(znear)
, x164_zfar(zfar)
, x168_aspect(aspect)
, x16c_controllerIdx(controllerIdx)
, x170_24_perspDirty(true)
, x170_25_disablesInput(b1)
, x180_(fovy)
, x184_fov(fovy)
{
xe7_29_ = false;
}
void CGameCamera::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId uid, CStateManager& mgr)
{
if (msg == EScriptObjectMessage::UpdateSplashInhabitant)
{
mgr.GetCameraManager()->SetInsideFluid(true, uid);
return;
}
else if (msg == EScriptObjectMessage::RemoveSplashInhabitant)
{
mgr.GetCameraManager()->SetInsideFluid(false, kInvalidUniqueId);
return;
}
CActor::AcceptScriptMsg(msg, uid, mgr);
}
void CGameCamera::SetActive(bool active)
{
CActor::SetActive(active);
xe7_29_ = false;
}
zeus::CMatrix4f CGameCamera::GetPerspectiveMatrix() const
{
if (x170_24_perspDirty)
{
const_cast<CGameCamera*>(this)->xec_perspectiveMatrix =
CGraphics::CalculatePerspectiveMatrix(x15c_currentFov, x168_aspect, x160_znear, x164_zfar, false);
const_cast<CGameCamera*>(this)->x170_24_perspDirty = false;
}
return xec_perspectiveMatrix;
}
zeus::CVector3f CGameCamera::ConvertToScreenSpace(const zeus::CVector3f& v) const
{
zeus::CVector3f rVec = x34_transform.transposeRotate(v - x34_transform.origin);
if (rVec.x == 0.f && rVec.y == 0.f && rVec.z == 0.f)
return {-1.f, -1.f, 1.f};
zeus::CMatrix4f mtx = GetPerspectiveMatrix();
return mtx.multiplyOneOverW(rVec);
}
zeus::CTransform CGameCamera::ValidateCameraTransform(const zeus::CTransform& a, const zeus::CTransform& b)
{
zeus::CTransform xfCpy(a);
constexpr double epsilon = FLT_EPSILON * 1000.f;
if ((a.rightVector().magnitude() - 1.f) >= epsilon || (a.frontVector().magnitude() - 1.f) >= epsilon ||
(a.upVector().magnitude() - 1.f) >= epsilon)
xfCpy.orthonormalize();
float f2 = zeus::CVector3f::skUp.x + a.upVector().x * a.upVector().y * a.upVector().z *
zeus::CVector3f::skUp.y + zeus::CVector3f::skUp.z;
if (std::fabs(f2) > 1.0f)
f2 = (f2 >= -0.f ? -1.0f : 1.0f);
if (std::fabs(f2) > 0.999f)
xfCpy = b;
if (xfCpy.upVector().z < -0.2f)
xfCpy = zeus::CQuaternion::fromAxisAngle(xfCpy.frontVector(), M_PIF).toTransform() * xfCpy;
if (std::fabs(xfCpy.rightVector().z - 0.f) >= 0.000009f && std::fabs(xfCpy.upVector().z - 0.f) > 0.000009f)
{
if (xfCpy.frontVector().canBeNormalized())
xfCpy = zeus::lookAt(zeus::CUnitVector3f(xfCpy.frontVector(), true), zeus::CVector3f::skZero);
else
xfCpy = b;
}
xfCpy.origin = a.origin;
return xfCpy;
}
void CGameCamera::UpdatePerspective(float dt)
{
if (x174_ > 0.f)
{
x174_ -= dt;
return;
}
if (x178_ <= 0.f)
return;
x178_ -= dt;
if (x178_ > 0.f)
{
x15c_currentFov = x184_fov;
x170_24_perspDirty = true;
}
else
{
x15c_currentFov = zeus::clamp(0.f, (dt / x17c_), 1.f) + ((x180_ - x184_fov) * x184_fov);
x170_24_perspDirty = true;
}
}
void CGameCamera::sub8005AF18(float f1, float fov, float f3, float f4)
{
if (f3 < 0.f)
{
x15c_currentFov = fov;
x170_24_perspDirty = true;
x184_fov = fov;
x178_ = x174_ = 0.f;
}
else
{
x174_ = std::max(0.f, f4);
x17c_ = f3;
x178_ = f3;
x180_ = f1;
x184_fov = fov;
x15c_currentFov = f1;
x170_24_perspDirty = true;
}
}
void CGameCamera::sub8005AF88()
{
if (x178_ > 0)
{
x15c_currentFov = x184_fov;
x170_24_perspDirty = true;
}
x178_ = x174_ = 0.f;
}
}