metaforce/Runtime/Camera/CGameCamera.cpp

158 lines
4.2 KiB
C++

#include "CGameCamera.hpp"
#include "CStateManager.hpp"
#include "Camera/CCameraManager.hpp"
#include "World/CActorParameters.hpp"
namespace urde
{
CGameCamera::CGameCamera(TUniqueId uid, bool active, std::string_view name, const CEntityInfo& info,
const zeus::CTransform& xf, float fovy, float znear, float zfar, float aspect,
TUniqueId watchedId, bool disableInput, u32 controllerIdx)
: CActor(uid, active, name, info, xf, CModelData::CModelDataNull(), CMaterialList(EMaterialTypes::NoStepLogic),
CActorParameters::None(), kInvalidUniqueId)
, xe8_watchedObject(watchedId)
, x12c_(xf)
, x15c_currentFov(fovy)
, x160_znear(znear)
, x164_zfar(zfar)
, x168_aspect(aspect)
, x16c_controllerIdx(controllerIdx)
, x170_24_perspDirty(true)
, x170_25_disablesInput(disableInput)
, x180_(fovy)
, x184_fov(fovy)
{
xe7_29_actorActive = 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_actorActive = 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& newXf, const zeus::CTransform& oldXf)
{
zeus::CTransform xfCpy(newXf);
if (!zeus::close_enough(newXf.rightVector().magnitude(), 1.f) ||
!zeus::close_enough(newXf.frontVector().magnitude(), 1.f) ||
!zeus::close_enough(newXf.upVector().magnitude(), 1.f))
xfCpy.orthonormalize();
float f2 = zeus::clamp(-1.f, newXf.frontVector().dot(zeus::CVector3f::skUp), 1.f);
if (std::fabs(f2) > 0.999f)
xfCpy = oldXf;
if (xfCpy.upVector().z < -0.2f)
xfCpy = zeus::CQuaternion::fromAxisAngle(xfCpy.frontVector(), M_PIF).toTransform() * xfCpy;
if (!zeus::close_enough(xfCpy.rightVector().z, 0.f) &&
!zeus::close_enough(xfCpy.upVector().z, 0.f))
{
if (xfCpy.frontVector().canBeNormalized())
xfCpy = zeus::lookAt(zeus::CVector3f::skZero, xfCpy.frontVector());
else
xfCpy = oldXf;
}
xfCpy.origin = newXf.origin;
return xfCpy;
}
void CGameCamera::UpdatePerspective(float dt)
{
if (x174_delayTime > 0.f)
{
x174_delayTime -= 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::SetFovInterpolation(float start, float fov, float time, float delayTime)
{
if (time < 0.f)
{
x15c_currentFov = fov;
x170_24_perspDirty = true;
x184_fov = fov;
x178_ = x174_delayTime = 0.f;
}
else
{
x174_delayTime = std::max(0.f, delayTime);
x17c_ = time;
x178_ = time;
x180_ = start;
x184_fov = fov;
x15c_currentFov = start;
x170_24_perspDirty = true;
}
}
void CGameCamera::SkipFovInterpolation()
{
if (x178_ > 0)
{
x15c_currentFov = x184_fov;
x170_24_perspDirty = true;
}
x178_ = x174_delayTime = 0.f;
}
}