Initial CPathCamera imps

Runtime/Camera/CCameraSpline.cpp

@@ -50,6 +50,12 @@ void CCameraSpline::CalculateKnots(TUniqueId cameraId, const std::vector<SConnec
     }
 }
 
+void CCameraSpline::Initialize(TUniqueId camId, const std::vector<SConnection>& connections, CStateManager& mgr)
+{
+    CalculateKnots(camId, connections, mgr);
+    x44_length = CalculateSplineLength();
+}
+
 void CCameraSpline::Reset(int size)
 {
     x4_positions.clear();
@@ -286,4 +292,9 @@ zeus::CVector3f CCameraSpline::GetInterpolatedSplinePointByTime(float time, floa
 
     return {};
 }
+
+float CCameraSpline::FindClosestLengthAlongSpline(float time, const zeus::CVector3f& p)
+{
+    return 0.f;
+}
 }

Runtime/Camera/CCameraSpline.hpp

@@ -31,6 +31,9 @@ public:
     void UpdateSplineLength() { x44_length = CalculateSplineLength(); }
     zeus::CTransform GetInterpolatedSplinePointByLength(float pos) const;
     zeus::CVector3f GetInterpolatedSplinePointByTime(float time, float range) const;
+    float FindClosestLengthAlongSpline(float time, const zeus::CVector3f& p);
+    s32 GetSize() const { return x4_positions.size(); }
+    float GetLength() const { return x44_length; }
 };
 }
 

Runtime/Camera/CPathCamera.cpp

@@ -1,5 +1,10 @@
 #include "CPathCamera.hpp"
 #include "CCameraManager.hpp"
+#include "CStateManager.hpp"
+#include "CBallCamera.hpp"
+#include "World/CScriptCameraHint.hpp"
+#include "World/CPlayer.hpp"
+#include "GameGlobalObjects.hpp"
 #include "TCastTo.hpp"
 
 namespace urde
@@ -23,11 +28,80 @@ void CPathCamera::Accept(IVisitor& visitor)
     visitor.Visit(this);
 }
 
+void CPathCamera::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId uid, CStateManager& mgr)
+{
+    CGameCamera::AcceptScriptMsg(msg, uid, mgr);
+
+    if (GetActive() && msg == EScriptObjectMessage::InitializedInArea)
+        x188_spline.Initialize(GetUniqueId(), GetConnectionList(), mgr);
+}
+
+void CPathCamera::Think(float dt, CStateManager& mgr)
+{
+    if (!GetActive())
+        return;
+
+    if (mgr.GetCameraManager()->GetPathCameraId() != GetUniqueId())
+        return;
+
+    if (x188_spline.GetSize() <= 0)
+        return;
+
+    zeus::CTransform xf = GetTransform();
+    zeus::CVector3f ballLook = mgr.GetCameraManager()->GetBallCamera()->GetLookPos();
+    if ((x1ec_flags & 0x10))
+    {
+        if (const CScriptCameraHint* hint = mgr.GetCameraManager()->GetCameraHint(mgr))
+            ballLook.z = hint->GetTranslation().z;
+    }
+
+    if (!mgr.GetPlayer().GetVelocity().canBeNormalized() && (ballLook - GetTranslation()).canBeNormalized())
+    {
+        if (x1ec_flags & 4)
+            SetTransform(x188_spline.GetInterpolatedSplinePointByLength(x1d4_pos));
+        else
+            SetTransform(zeus::lookAt(GetTranslation(), ballLook));
+        return;
+    }
+
+    xf = MoveAlongSpline(dt, mgr);
+    SetTranslation(xf.origin);
+
+    if (x1ec_flags & 0x20)
+        sub8012DD3C(mgr);
+
+    zeus::CVector3f tmp = ballLook - GetTranslation();
+    tmp.z = 0.f;
+    if (tmp.canBeNormalized())
+        SetTransform(zeus::lookAt(GetTranslation(), ballLook));
+
+    if (x1ec_flags & 4)
+        SetTransform(xf);
+}
+
 void CPathCamera::ProcessInput(const CFinalInput&, CStateManager& mgr)
 {
 }
 
 void CPathCamera::Reset(const zeus::CTransform&, CStateManager& mgr)
+{
+    CPlayer& player = mgr.GetPlayer();
+    float f23 = x188_spline.FindClosestLengthAlongSpline(0.f, player.GetTranslation() +  g_tweakPlayer->GetPlayerBallHalfExtent());
+
+    float f25 = std::max(0.f, f23 - x1dc_);
+
+    zeus::CTransform xf = x188_spline.GetInterpolatedSplinePointByLength(f25);
+
+    float f1 = x188_spline.GetLength();
+
+}
+
+zeus::CTransform CPathCamera::MoveAlongSpline(float, CStateManager& mgr)
+{
+    return {};
+}
+
+void CPathCamera::sub8012DD3C(CStateManager& )
 {
 }
 

Runtime/Camera/CPathCamera.hpp

@@ -16,8 +16,8 @@ public:
 private:
 
     CCameraSpline x188_spline;
-    float x1d4_ = 0.f;
-    float x1d8_ = 0.f;
+    float x1d4_pos = 0.f;
+    float x1d8_time = 0.f;
     float x1dc_;
     float x1e0_;
     float x1e4_;
@@ -32,8 +32,13 @@ public:
                 float, float, u32, EInitialSplinePosition);
 
     void Accept(IVisitor&);
+    void AcceptScriptMsg(EScriptObjectMessage, TUniqueId, CStateManager&);
+    void Think(float, CStateManager&);
+    void Render(const CStateManager&) const {}
     void ProcessInput(const CFinalInput&, CStateManager& mgr);
     void Reset(const zeus::CTransform&, CStateManager& mgr);
+    zeus::CTransform MoveAlongSpline(float, CStateManager&);
+    void sub8012DD3C(CStateManager&);
 };
 
 }