metaforce/Runtime/Camera/CInterpolationCamera.cpp

209 lines
7.4 KiB
C++

#include "Runtime/Camera/CInterpolationCamera.hpp"
#include "Runtime/CStateManager.hpp"
#include "Runtime/Camera/CBallCamera.hpp"
#include "Runtime/Camera/CCameraManager.hpp"
#include "Runtime/World/CPlayer.hpp"
#include "Runtime/World/CScriptSpindleCamera.hpp"
#include "TCastTo.hpp" // Generated file, do not modify include path
namespace urde {
CInterpolationCamera::CInterpolationCamera(TUniqueId uid, const zeus::CTransform& xf)
: CGameCamera(uid, false, "Interpolation Camera",
CEntityInfo(kInvalidAreaId, CEntity::NullConnectionList, kInvalidEditorId), xf,
CCameraManager::ThirdPersonFOV(), CCameraManager::NearPlane(), CCameraManager::FarPlane(),
CCameraManager::Aspect(), kInvalidUniqueId, false, 0) {}
void CInterpolationCamera::Accept(IVisitor& visitor) { visitor.Visit(this); }
void CInterpolationCamera::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId sender, CStateManager& mgr) {
CGameCamera::AcceptScriptMsg(msg, sender, mgr);
}
void CInterpolationCamera::ProcessInput(const CFinalInput& input, CStateManager& mgr) {
// Empty
}
void CInterpolationCamera::Render(const CStateManager& mgr) const {
// Empty
}
void CInterpolationCamera::Reset(const zeus::CTransform&, CStateManager& mgr) {
// Empty
}
void CInterpolationCamera::Think(float dt, CStateManager& mgr) {
if (!GetActive())
return;
x15c_currentFov = mgr.GetCameraManager()->GetBallCamera()->GetFov();
x170_24_perspDirty = true;
if (mgr.GetPlayer().GetMorphballTransitionState() == CPlayer::EPlayerMorphBallState::Unmorphing)
DeactivateInterpCamera(mgr);
x18c_time += dt;
if (x18c_time > x190_maxTime)
x18c_time = x190_maxTime;
zeus::CTransform xf = GetTransform();
if (TCastToConstPtr<CGameCamera> cam = mgr.GetObjectById(x188_targetId)) {
zeus::CVector3f targetOrigin = cam->GetTranslation();
zeus::CVector3f ballLookPos = mgr.GetCameraManager()->GetBallCamera()->GetLookPos();
if (mgr.GetCameraManager()->GetBallCamera()->GetBehaviour() == CBallCamera::EBallCameraBehaviour::SpindleCamera) {
if (TCastToConstPtr<CScriptSpindleCamera> spindle =
mgr.GetObjectById(mgr.GetCameraManager()->GetSpindleCameraId())) {
float mag = (mgr.GetPlayer().GetTranslation() - spindle->GetTranslation()).magnitude();
ballLookPos = spindle->GetTranslation() + (mag * spindle->GetTransform().frontVector());
}
}
bool deactivate = false;
if (x1d8_24_sinusoidal)
deactivate = InterpolateSinusoidal(xf, targetOrigin, ballLookPos, x190_maxTime, x18c_time);
else
deactivate = InterpolateWithDistance(xf, targetOrigin, ballLookPos, x1d0_positionSpeed, x1d4_rotationSpeed, dt,
x190_maxTime, x18c_time);
SetTransform(xf);
if (deactivate)
DeactivateInterpCamera(mgr);
} else
DeactivateInterpCamera(mgr);
}
void CInterpolationCamera::SetInterpolation(const zeus::CTransform& xf, const zeus::CVector3f& lookPos, float maxTime,
float positionSpeed, float rotationSpeed, TUniqueId camId, bool sinusoidal,
CStateManager& mgr) {
SetActive(true);
SetTransform(xf);
x1c4_lookPos = lookPos;
x188_targetId = camId;
x1d8_24_sinusoidal = sinusoidal;
x190_maxTime = maxTime;
x1d0_positionSpeed = positionSpeed;
x1d4_rotationSpeed = rotationSpeed;
x1dc_closeInAngle = 2.f * M_PIF;
x18c_time = 0.f;
if (TCastToConstPtr<CGameCamera> cam = (mgr.GetObjectById(camId))) {
x15c_currentFov = cam->GetFov();
x170_24_perspDirty = true;
}
}
void CInterpolationCamera::DeactivateInterpCamera(CStateManager& mgr) {
SetActive(false);
if (!mgr.GetCameraManager()->ShouldBypassInterpolation())
mgr.GetCameraManager()->SetCurrentCameraId(x188_targetId, mgr);
}
bool CInterpolationCamera::InterpolateSinusoidal(zeus::CTransform& xf, const zeus::CVector3f& targetOrigin,
const zeus::CVector3f& lookPos, float maxTime, float curTime) {
if (curTime > maxTime)
curTime = maxTime;
float t = zeus::clamp(-1.f, curTime / maxTime, 1.f);
float sinT = std::sin(t * (M_PIF / 2.f));
t *= 2.f;
zeus::CVector3f interpOrigin = (1.f - (t - sinT)) * (GetTranslation() - targetOrigin) + targetOrigin;
zeus::CVector3f lookDir = lookPos - interpOrigin;
if (lookDir.canBeNormalized())
lookDir.normalize();
else
lookDir = x34_transform.basis[1];
zeus::CVector3f lookDirFlat = lookDir;
lookDirFlat.z() = 0.f;
if (lookDirFlat.canBeNormalized()) {
t = zeus::clamp(-1.f, t, 1.f);
float lookProj = zeus::clamp(-1.f, x34_transform.basis[1].dot(lookDir), 1.f);
float ang = (1.f - t) * std::acos(lookProj);
if (ang > x1dc_closeInAngle)
ang = x1dc_closeInAngle;
else
x1dc_closeInAngle = ang;
zeus::CTransform lookXf = zeus::lookAt(interpOrigin, interpOrigin + lookDir);
if (std::fabs(lookProj) < 0.999999f) {
zeus::CVector3f xfLookDir = zeus::CQuaternion::lookAt(lookDir, x34_transform.basis[1], ang).transform(lookDir);
lookXf = zeus::lookAt(interpOrigin, interpOrigin + xfLookDir);
}
xf = lookXf;
} else {
xf = x34_transform;
xf.origin = interpOrigin;
}
return curTime >= maxTime;
}
bool CInterpolationCamera::InterpolateWithDistance(zeus::CTransform& xf, const zeus::CVector3f& targetOrigin,
const zeus::CVector3f& lookPos, float positionSpeed,
float rotationSpeed, float dt, float maxTime, float curTime) {
zeus::CVector3f interpOrigin = xf.origin;
zeus::CVector3f originDir = targetOrigin - interpOrigin;
float sdt = positionSpeed * dt;
bool ret = false;
bool positionFail = false;
if (originDir.canBeNormalized() && originDir.magnitude() > sdt) {
float lookDist = originDir.magnitude();
originDir.normalize();
float scale = zeus::clamp(-1.f, lookDist / 0.5f, 1.f) * sdt;
interpOrigin += originDir * scale;
if (lookDist < scale) {
interpOrigin = targetOrigin;
positionFail = true;
}
} else {
interpOrigin = targetOrigin;
positionFail = true;
}
zeus::CVector3f lookPosDelta = lookPos - x1c4_lookPos;
if (lookPosDelta.magnitude() > sdt) {
float deltaMag = lookPosDelta.magnitude();
lookPosDelta.normalize();
float scale = zeus::clamp(-1.f, deltaMag / 0.5f, 1.f) * sdt;
x1c4_lookPos += lookPosDelta * scale;
} else {
x1c4_lookPos = lookPos;
}
zeus::CVector3f lookDir = x1c4_lookPos - interpOrigin;
if (lookDir.canBeNormalized())
lookDir.normalize();
else
lookDir = x34_transform.basis[1];
float lookProj = zeus::clamp(-1.f, xf.basis[1].dot(lookDir), 1.f);
float ang = zeus::clamp(-1.f, std::acos(lookProj) / (M_PIF / 6.f), 1.f) * rotationSpeed * dt;
zeus::CVector3f lookDirFlat = lookDir;
lookDirFlat.z() = 0.f;
bool rotationFail = false;
if (lookDirFlat.canBeNormalized()) {
zeus::CTransform lookXf = zeus::lookAt(interpOrigin, interpOrigin + lookDir);
if (lookProj < 0.999999f)
lookXf = zeus::CQuaternion::lookAt(xf.basis[1], lookDir, ang).toTransform() * xf.getRotation();
else
rotationFail = true;
lookXf.origin = interpOrigin;
xf = lookXf;
} else {
xf = x34_transform;
xf.origin = interpOrigin;
rotationFail = true;
}
if (positionFail && rotationFail)
ret = true;
if (curTime >= maxTime && lookProj >= 0.9999f)
ret = true;
return ret;
}
} // namespace urde