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metaforce/Runtime/Camera/CCinematicCamera.cpp

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#include "CCinematicCamera.hpp"
#include "CStateManager.hpp"
#include "World/CPlayer.hpp"
#include "World/CScriptActor.hpp"
#include "TCastTo.hpp"
#include "World/CScriptCameraWaypoint.hpp"
#include "GameGlobalObjects.hpp"
#include "Character/CAnimTreeNode.hpp"
namespace urde
{
CCinematicCamera::CCinematicCamera(TUniqueId uid, std::string_view name, const CEntityInfo& info,
const zeus::CTransform& xf, bool active, float shotDuration,
float fovy, float znear, float zfar, float aspect, u32 flags)
: CGameCamera(uid, active, name, info, xf, fovy, znear, zfar, aspect, kInvalidUniqueId, flags & 0x20, 0),
x1e8_duration(shotDuration), x1f0_origFovy(fovy), x1fc_origOrientation(zeus::CQuaternion(xf.basis)), x21c_flags(flags)
{
x220_24_ = false;
}
void CCinematicCamera::Accept(IVisitor& visitor)
{
visitor.Visit(this);
}
void CCinematicCamera::ProcessInput(const CFinalInput&, CStateManager& mgr)
{
// Empty
}
void CCinematicCamera::Reset(const zeus::CTransform&, CStateManager& mgr)
{
// Empty
}
void CCinematicCamera::WasDeactivated(CStateManager& mgr)
{
mgr.GetCameraManager()->RemoveCinemaCamera(GetUniqueId(), mgr);
mgr.GetPlayer().GetMorphBall()->LoadMorphBallModel(mgr);
if (x21c_flags & 0x100)
mgr.SetCinematicPause(false);
x188_viewPoints.clear();
x198_viewOrientations.clear();
x1a8_viewPointArrivals.clear();
x1b8_targets.clear();
x1c8_targetArrivals.clear();
x1d8_viewHFovs.clear();
}
zeus::CVector3f
CCinematicCamera::GetInterpolatedSplinePoint(const std::vector<zeus::CVector3f>& points, int& idxOut, float tin) const
{
if (points.size() > 0)
{
float cycleT = std::fmod(tin, x1e8_duration);
float durPerPoint = x1e8_duration / float(points.size() - 1);
idxOut = int(cycleT / durPerPoint);
float t = (cycleT - idxOut * durPerPoint) / durPerPoint;
if (points.size() == 1)
return points.front();
else if (points.size() == 2)
return (points[1] - points[0]) * t + points[0];
zeus::CVector3f ptA;
if (idxOut > 0)
ptA = points[idxOut - 1];
else
ptA = points[0] - (points[1] - points[0]);
zeus::CVector3f ptB = points[idxOut];
zeus::CVector3f ptC;
if (idxOut + 1 >= points.size())
{
const zeus::CVector3f& tmpA = points[points.size() - 1];
const zeus::CVector3f& tmpB = points[points.size() - 2];
ptC = tmpA - (tmpB - tmpA);
}
else
{
ptC = points[idxOut + 1];
}
zeus::CVector3f ptD;
if (idxOut + 2 >= points.size())
{
const zeus::CVector3f& tmpA = points[points.size() - 1];
const zeus::CVector3f& tmpB = points[points.size() - 2];
ptD = tmpA - (tmpB - tmpA);
}
else
{
ptD = points[idxOut + 2];
}
return zeus::getCatmullRomSplinePoint(ptA, ptB, ptC, ptD, t);
}
return {};
}
zeus::CQuaternion
CCinematicCamera::GetInterpolatedOrientation(const std::vector<zeus::CQuaternion>& rotations, float tin) const
{
if (rotations.size() == 0)
return x1fc_origOrientation;
else if (rotations.size() == 1)
return rotations.front();
float cycleT = std::fmod(tin, x1e8_duration);
float durPerPoint = x1e8_duration / float(rotations.size() - 1);
int idx = int(cycleT / durPerPoint);
float t = (cycleT - idx * durPerPoint) / durPerPoint;
return zeus::CQuaternion::slerp(rotations[idx], rotations[idx + 1], t);
}
float CCinematicCamera::GetInterpolatedHFov(const std::vector<float>& fovs, float tin) const
{
if (fovs.size() == 0)
return x1f0_origFovy;
else if (fovs.size() == 1)
return fovs.front();
float cycleT = std::fmod(tin, x1e8_duration);
float durPerPoint = x1e8_duration / float(fovs.size() - 1);
int idx = int(cycleT / durPerPoint);
float t = (cycleT - idx * durPerPoint) / durPerPoint;
return (fovs[idx + 1] - fovs[idx]) * t + fovs[idx];
}
float CCinematicCamera::GetMoveOutofIntoAlpha() const
{
float startDist = 0.25f + x160_znear;
float endDist = 1.f * startDist;
float deltaMag = (GetTranslation() - x210_moveIntoEyePos).magnitude();
if (deltaMag >= startDist && deltaMag <= endDist)
return (deltaMag - startDist) / (endDist - startDist);
if (deltaMag > endDist)
return 1.f;
return 0.f;
}
void CCinematicCamera::DeactivateSelf(CStateManager& mgr)
{
SetActive(false);
SendScriptMsgs(EScriptObjectState::Inactive, mgr, EScriptObjectMessage::None);
WasDeactivated(mgr);
}
void CCinematicCamera::Think(float dt, CStateManager& mgr)
{
if (GetActive())
{
zeus::CVector3f viewPoint = GetTranslation();
if (x188_viewPoints.size() > 0)
{
int idx = 0;
viewPoint = GetInterpolatedSplinePoint(x188_viewPoints, idx, x1ec_t);
if (idx > x1f4_passedViewPoint)
{
x1f4_passedViewPoint = idx;
SendArrivedMsg(x1a8_viewPointArrivals[x1f4_passedViewPoint], mgr);
}
}
zeus::CQuaternion orientation = GetInterpolatedOrientation(x198_viewOrientations, x1ec_t);
if ((x21c_flags & 0x1) == 0)
{
if (x1b8_targets.size() > 0)
{
int idx = 0;
zeus::CVector3f target = GetInterpolatedSplinePoint(x1b8_targets, idx, x1ec_t);
if (x1b8_targets.size() == 1)
{
if (TCastToConstPtr<CActor> act = mgr.GetObjectById(x1c8_targetArrivals.front()))
target = act->GetTranslation();
else
x1ec_t = x1e8_duration;
}
if (idx > x1f8_passedTarget)
{
x1f8_passedTarget = idx;
SendArrivedMsg(x1c8_targetArrivals[x1f8_passedTarget], mgr);
}
zeus::CVector3f upVec = orientation.transform(zeus::CVector3f::skUp);
if ((target - viewPoint).toVec2f().magnitude() < 0.0011920929f)
SetTranslation(target);
else
SetTransform(zeus::lookAt(viewPoint, target, upVec));
}
else
{
SetTransform(zeus::CTransform(orientation, viewPoint));
}
}
else
{
zeus::CVector3f target = mgr.GetPlayer().GetTranslation();
if (mgr.GetPlayer().GetMorphballTransitionState() == CPlayer::EPlayerMorphBallState::Morphed)
target.z += mgr.GetPlayer().GetMorphBall()->GetBallRadius();
else
target.z += mgr.GetPlayer().GetEyeHeight();
zeus::CVector3f upVec = orientation.transform(zeus::CVector3f::skUp);
if ((target - viewPoint).toVec2f().magnitude() < 0.0011920929f)
SetTranslation(target);
else
SetTransform(zeus::lookAt(viewPoint, target, upVec));
}
x15c_currentFov = GetInterpolatedHFov(x1d8_viewHFovs, x1ec_t) / x168_aspect;
x170_24_perspDirty = true;
if (x20c_lookAtId != kInvalidUniqueId)
if (TCastToPtr<CScriptActor> act = mgr.ObjectById(x20c_lookAtId))
if (act->IsPlayerActor())
act->SetDrawFlags({5, 0, 3, zeus::CColor(1.f, GetMoveOutofIntoAlpha())});
x1ec_t += dt;
if (x1ec_t > x1e8_duration)
{
for (int i = x1f4_passedViewPoint + 1; i < x1a8_viewPointArrivals.size() ; ++i)
SendArrivedMsg(x1a8_viewPointArrivals[i], mgr);
for (int i = x1f8_passedTarget + 1; i < x1c8_targetArrivals.size() ; ++i)
SendArrivedMsg(x1c8_targetArrivals[i], mgr);
DeactivateSelf(mgr);
}
}
}
void CCinematicCamera::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId uid, CStateManager& mgr)
{
CGameCamera::AcceptScriptMsg(msg, uid, mgr);
switch (msg)
{
case EScriptObjectMessage::InitializedInArea:
if (x21c_flags & 0x4 || x21c_flags & 0x2)
{
for (const SConnection& conn : x20_conns)
{
TUniqueId id = mgr.GetIdForScript(conn.x8_objId);
if (TCastToPtr<CScriptActor> act = mgr.ObjectById(id))
{
if (act->IsPlayerActor())
{
x20c_lookAtId = id;
if (conn.x4_msg != EScriptObjectMessage::Deactivate &&
conn.x4_msg != EScriptObjectMessage::Reset)
break;
}
}
}
}
break;
case EScriptObjectMessage::Activate:
CalculateWaypoints(mgr);
if ((x21c_flags & 1) == 0 && x220_24_ && x1b8_targets.empty())
break;
x1ec_t = 0.f;
Think(0.f, mgr);
mgr.GetCameraManager()->AddCinemaCamera(GetUniqueId(), mgr);
x1f4_passedViewPoint = 0;
if (x1a8_viewPointArrivals.size() > 0)
SendArrivedMsg(x1a8_viewPointArrivals[x1f4_passedViewPoint], mgr);
x1f8_passedTarget = 0;
if (x1c8_targetArrivals.size() > 0)
SendArrivedMsg(x1c8_targetArrivals[x1f8_passedTarget], mgr);
if (x21c_flags & 0x100)
mgr.SetCinematicPause(true);
break;
case EScriptObjectMessage::Deactivate:
WasDeactivated(mgr);
break;
default:
break;
}
}
void CCinematicCamera::CalculateMoveOutofIntoEyePosition(bool outOfEye, CStateManager& mgr)
{
zeus::CQuaternion q(mgr.GetPlayer().GetTransform().basis);
zeus::CVector3f eyePos = mgr.GetPlayer().GetEyePosition();
if (x20c_lookAtId != kInvalidUniqueId)
{
if (TCastToConstPtr<CScriptActor> act = mgr.GetObjectById(x20c_lookAtId))
{
if (act->IsPlayerActor())
{
if (const CModelData* mData = act->GetModelData())
{
if (const CAnimData* aData = mData->GetAnimationData())
{
if (const CAnimTreeNode* root = aData->GetRootAnimationTree().get())
{
CSegId lEye = aData->GetLocatorSegId("L_eye"sv);
CSegId rEye = aData->GetLocatorSegId("R_eye"sv);
if (lEye != 0xff && rEye != 0xff)
{
CCharAnimTime time =
outOfEye ? CCharAnimTime(0.f) : root->VGetSteadyStateAnimInfo().GetDuration();
CCharAnimTime* pTime = outOfEye ? nullptr : &time;
eyePos =
((act->GetTransform() * mData->GetScaledLocatorTransformDynamic("L_eye"sv, pTime)).origin +
(act->GetTransform() * mData->GetScaledLocatorTransformDynamic("R_eye"sv, pTime)).origin) * 0.5f;
q = zeus::CQuaternion(act->GetTransform().basis);
}
}
}
}
}
}
}
zeus::CVector3f behindPos = eyePos;
zeus::CVector3f behindDelta = q.transform({0.f, -g_tweakPlayerRes->xf0_cinematicMoveOutofIntoPlayerDistance, 0.f});
if (!outOfEye)
{
behindPos += behindDelta;
behindDelta = -behindDelta;
}
for (int i=0 ; i<2 ; ++i)
{
x188_viewPoints[outOfEye ? i : x188_viewPoints.size() - (2 - i)] = behindPos;
x198_viewOrientations[outOfEye ? i : x198_viewOrientations.size() - (2 - i)] = q;
x1b8_targets[outOfEye ? i : x1b8_targets.size() - (2 - i)] = eyePos;
behindPos += behindDelta;
}
x210_moveIntoEyePos = eyePos;
}
void CCinematicCamera::GenerateMoveOutofIntoPoints(bool outOfEye, CStateManager& mgr)
{
zeus::CQuaternion q(mgr.GetPlayer().GetTransform().basis);
zeus::CVector3f eyePos = mgr.GetPlayer().GetEyePosition();
zeus::CVector3f behindDelta = q.transform({0.f, -g_tweakPlayerRes->xf0_cinematicMoveOutofIntoPlayerDistance, 0.f});
zeus::CVector3f behindPos = eyePos;
if (!outOfEye)
{
behindPos += behindDelta;
behindDelta = -behindDelta;
}
for (int i=0 ; i<2 ; ++i)
{
x188_viewPoints.push_back(behindPos);
x198_viewOrientations.push_back(q);
x1a8_viewPointArrivals.push_back(mgr.GetPlayer().GetUniqueId());
x1b8_targets.push_back(eyePos);
x1c8_targetArrivals.push_back(kInvalidUniqueId);
behindPos += behindDelta;
}
CalculateMoveOutofIntoEyePosition(outOfEye, mgr);
}
bool CCinematicCamera::PickRandomActiveConnection(const std::vector<SConnection>& conns,
SConnection& randConn, CStateManager& mgr)
{
int count = 0;
for (const SConnection& conn : conns)
if (conn.x0_state == EScriptObjectState::Arrived && conn.x4_msg == EScriptObjectMessage::Next)
if (TCastToConstPtr<CActor> act = mgr.GetObjectById(mgr.GetIdForScript(conn.x8_objId)))
if (act->GetActive())
++count;
if (!count)
return false;
int randIdx = mgr.GetActiveRandom()->Next() % count;
int idx = 0;
for (const SConnection& conn : conns)
if (conn.x0_state == EScriptObjectState::Arrived && conn.x4_msg == EScriptObjectMessage::Next)
if (TCastToConstPtr<CActor> act = mgr.GetObjectById(mgr.GetIdForScript(conn.x8_objId)))
if (act->GetActive())
{
if (randIdx == idx)
{
randConn = conn;
break;
}
++idx;
}
return true;
}
void CCinematicCamera::CalculateWaypoints(CStateManager& mgr)
{
const SConnection* firstVP = nullptr;
const SConnection* firstTarget = nullptr;
for (const SConnection& conn : x20_conns)
{
if (conn.x0_state == EScriptObjectState::CameraPath && conn.x4_msg == EScriptObjectMessage::Activate)
firstVP = &conn;
else if (conn.x0_state == EScriptObjectState::CameraTarget && conn.x4_msg == EScriptObjectMessage::Activate)
firstTarget = &conn;
}
x188_viewPoints.clear();
x188_viewPoints.reserve(3);
x198_viewOrientations.clear();
x198_viewOrientations.reserve(3);
x1a8_viewPointArrivals.clear();
x1a8_viewPointArrivals.reserve(3);
x1b8_targets.clear();
x1b8_targets.reserve(3);
x1c8_targetArrivals.clear();
x1c8_targetArrivals.reserve(3);
x1d8_viewHFovs.clear();
x1d8_viewHFovs.reserve(3);
x220_24_ = false;
if ((x21c_flags & 0x2) != 0 && (x21c_flags & 0x200) == 0)
GenerateMoveOutofIntoPoints(true, mgr);
if (firstVP)
{
TCastToConstPtr<CActor> wp = mgr.GetObjectById(mgr.GetIdForScript(firstVP->x8_objId));
while (wp)
{
x188_viewPoints.push_back(wp->GetTranslation());
x198_viewOrientations.emplace_back(wp->GetTransform().basis);
if (TCastToConstPtr<CScriptCameraWaypoint> cwp = wp.GetPtr())
x1d8_viewHFovs.push_back(cwp->GetHFov());
auto search = std::find_if(x1a8_viewPointArrivals.begin(), x1a8_viewPointArrivals.end(),
[&](TUniqueId id) { return id == wp->GetUniqueId(); });
if (search == x1a8_viewPointArrivals.end())
{
x1a8_viewPointArrivals.push_back(wp->GetUniqueId());
SConnection randConn;
if (PickRandomActiveConnection(wp->GetConnectionList(), randConn, mgr))
wp = mgr.GetObjectById(mgr.GetIdForScript(randConn.x8_objId));
else
break;
}
else
break;
}
}
if (firstTarget)
{
TCastToConstPtr<CActor> tgt = mgr.GetObjectById(mgr.GetIdForScript(firstTarget->x8_objId));
while (tgt)
{
x1b8_targets.push_back(tgt->GetTranslation());
auto search = std::find_if(x1c8_targetArrivals.begin(), x1c8_targetArrivals.end(),
[&](TUniqueId id) { return id == tgt->GetUniqueId(); });
if (search == x1c8_targetArrivals.end())
{
x1c8_targetArrivals.push_back(tgt->GetUniqueId());
SConnection randConn;
if (PickRandomActiveConnection(tgt->GetConnectionList(), randConn, mgr))
tgt = mgr.GetObjectById(mgr.GetIdForScript(randConn.x8_objId));
else
break;
}
else
break;
}
}
if ((x21c_flags & 0x4) != 0 && (x21c_flags & 0x200) == 0)
GenerateMoveOutofIntoPoints(false, mgr);
}
void CCinematicCamera::SendArrivedMsg(TUniqueId reciever, CStateManager& mgr)
{
mgr.SendScriptMsgAlways(reciever, GetUniqueId(), EScriptObjectMessage::Arrived);
}
}
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