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metaforce/Runtime/Camera/CBallCamera.hpp

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#pragma once
#include <cmath>
#include <memory>
#include <vector>
#include "Runtime/Camera/CCameraSpline.hpp"
#include "Runtime/Camera/CGameCamera.hpp"
#include <zeus/CAABox.hpp>
#include <zeus/CTransform.hpp>
#include <zeus/CVector3f.hpp>
namespace urde {
class CPlayer;
class CCameraSpring {
float x0_k;
float x4_k2Sqrt;
float x8_max;
float xc_tardis;
float x10_dx = 0.f;
public:
CCameraSpring(float k, float max, float tardis)
: x0_k(k), x4_k2Sqrt(2.f * std::sqrt(k)), x8_max(max), xc_tardis(tardis) {}
void Reset();
float ApplyDistanceSpringNoMax(float targetX, float curX, float dt);
float ApplyDistanceSpring(float targetX, float curX, float dt);
};
class CCameraCollider {
friend class CBallCamera;
float x4_radius;
zeus::CVector3f x8_lastLocalPos;
zeus::CVector3f x14_localPos;
zeus::CVector3f x20_scaledWorldPos;
zeus::CVector3f x2c_lastWorldPos;
CCameraSpring x38_spring;
u32 x4c_occlusionCount = 0;
float x50_scale;
public:
CCameraCollider(float radius, const zeus::CVector3f& vec, const CCameraSpring& spring, float scale)
: x4_radius(radius)
, x8_lastLocalPos(vec)
, x14_localPos(vec)
, x20_scaledWorldPos(vec)
, x2c_lastWorldPos(vec)
, x38_spring(spring)
, x50_scale(scale) {}
};
class CBallCamera : public CGameCamera {
public:
enum class EBallCameraState { Default, One, Chase, Boost, ToBall, FromBall };
enum class EBallCameraBehaviour {
Default,
FreezeLookPosition, // Unused
HintBallToCam,
HintInitializePosition,
HintFixedPosition,
HintFixedTransform,
PathCameraDesiredPos, // Unused
PathCamera,
SpindleCamera
};
enum class ESplineState { Invalid, Nav, Arc };
private:
struct SFailsafeState {
zeus::CTransform x0_playerXf;
zeus::CTransform x30_camXf;
zeus::CVector3f x60_lookPos;
zeus::CVector3f x6c_behindPos;
zeus::CVector3f x78_;
zeus::CVector3f x84_playerPos;
std::vector<zeus::CVector3f> x90_splinePoints;
};
EBallCameraBehaviour x188_behaviour = EBallCameraBehaviour::Default;
bool x18c_24_ : 1 = true;
bool x18c_25_chaseAllowed : 1 = true;
bool x18c_26_boostAllowed : 1 = true;
bool x18c_27_obscureAvoidance : 1 = true;
bool x18c_28_volumeCollider : 1 = true;
bool x18c_29_clampAttitude : 1 = false;
bool x18c_30_clampAzimuth : 1 = false;
bool x18c_31_clearLOS : 1 = true;
bool x18d_24_prevClearLOS : 1 = true;
bool x18d_25_avoidGeometryFull : 1 = false;
bool x18d_26_lookAtBall : 1 = false;
bool x18d_27_forceProcessing : 1 = false;
bool x18d_28_obtuseDirection : 1 = false;
bool x18d_29_noElevationInterp : 1 = false;
bool x18d_30_directElevation : 1 = false;
bool x18d_31_overrideLookDir : 1 = false;
bool x18e_24_noElevationVelClamp : 1 = false;
bool x18e_25_noSpline : 1 = false;
bool x18e_26_ : 1 = false;
bool x18e_27_nearbyDoorClosed : 1 = false;
bool x18e_28_nearbyDoorClosing : 1 = false;
float x190_curMinDistance;
float x194_targetMinDistance;
float x198_maxDistance;
float x19c_backwardsDistance;
float x1a0_elevation;
float x1a4_curAnglePerSecond;
float x1a8_targetAnglePerSecond;
float x1ac_attitudeRange = zeus::degToRad(89.f);
float x1b0_azimuthRange = zeus::degToRad(89.f);
zeus::CVector3f x1b4_lookAtOffset;
zeus::CVector3f x1c0_lookPosAhead;
zeus::CVector3f x1cc_fixedLookPos;
zeus::CVector3f x1d8_lookPos;
zeus::CTransform x1e4_nextLookXf;
CCameraSpring x214_ballCameraSpring;
CCameraSpring x228_ballCameraCentroidSpring;
CCameraSpring x23c_ballCameraLookAtSpring;
CCameraSpring x250_ballCameraCentroidDistanceSpring;
std::vector<CCameraCollider> x264_smallColliders;
std::vector<CCameraCollider> x274_mediumColliders;
std::vector<CCameraCollider> x284_largeColliders;
zeus::CVector3f x294_dampedPos;
zeus::CVector3f x2a0_smallCentroid = zeus::skUp;
zeus::CVector3f x2ac_mediumCentroid = zeus::skUp;
zeus::CVector3f x2b8_largeCentroid = zeus::skUp;
int x2c4_smallCollidersObsCount = 0;
int x2c8_mediumCollidersObsCount = 0;
int x2cc_largeCollidersObsCount = 0;
int x2d0_smallColliderIt = 0;
int x2d4_mediumColliderIt = 0;
int x2d8_largeColliderIt = 0;
zeus::CVector3f x2dc_prevBallPos;
float x2e8_ballVelFlat = 0.f;
float x2ec_maxBallVel = 0.f;
zeus::CVector3f x2f0_ballDelta;
zeus::CVector3f x2fc_ballDeltaFlat;
float x308_speedFactor = 0.f;
float x30c_speedingTime = 0.f;
zeus::CVector3f x310_idealLookVec;
zeus::CVector3f x31c_predictedLookPos;
u32 x328_avoidGeomCycle = 0;
float x32c_colliderMag = 1.f;
float x330_clearColliderThreshold = 0.2f;
zeus::CAABox x334_collidersAABB = zeus::skNullBox;
float x34c_obscuredTime = 0.f;
CMaterialList x350_obscuringMaterial = {EMaterialTypes::NoStepLogic};
float x358_unobscureMag = 0.f;
zeus::CVector3f x35c_splineIntermediatePos;
TUniqueId x368_obscuringObjectId = kInvalidUniqueId;
ESplineState x36c_splineState = ESplineState::Invalid;
bool x370_24_reevalSplineEnd : 1 = false;
float x374_splineCtrl = 0.f;
float x378_splineCtrlRange;
CCameraSpline x37c_camSpline{false};
CMaterialList x3c8_collisionExcludeList = {EMaterialTypes::NoStepLogic};
bool x3d0_24_camBehindFloorOrWall : 1 = false;
float x3d4_elevInterpTimer = 0.f;
float x3d8_elevInterpStart = 0.f;
TUniqueId x3dc_tooCloseActorId = kInvalidUniqueId;
float x3e0_tooCloseActorDist = 10000.f;
bool x3e4_pendingFailsafe = false;
float x3e8_ = 0.f;
float x3ec_ = 0.f;
float x3f0_ = 0.f;
float x3f4_ = 2.f;
float x3f8_ = 0.f;
float x3fc_ = 0.f;
EBallCameraState x400_state = EBallCameraState::Default;
float x404_chaseElevation;
float x408_chaseDistance;
float x40c_chaseAnglePerSecond;
zeus::CVector3f x410_chaseLookAtOffset;
CCameraSpring x41c_ballCameraChaseSpring;
float x430_boostElevation;
float x434_boostDistance;
float x438_boostAnglePerSecond;
zeus::CVector3f x43c_boostLookAtOffset;
CCameraSpring x448_ballCameraBoostSpring;
zeus::CVector3f x45c_overrideBallToCam;
float x468_conservativeDoorCamDistance;
TUniqueId x46c_collisionActorId = kInvalidUniqueId;
float x470_clampVelTimer = 0.f;
float x474_clampVelRange = 0.f;
u32 x478_shortMoveCount = 0;
std::unique_ptr<SFailsafeState> x47c_failsafeState;
std::unique_ptr<u32> x480_;
void SetupColliders(std::vector<CCameraCollider>& out, float xMag, float zMag, float radius, int count, float k,
float max, float startAngle);
void BuildSplineNav(CStateManager& mgr);
void BuildSplineArc(CStateManager& mgr);
bool ShouldResetSpline(CStateManager& mgr) const;
void UpdatePlayerMovement(float dt, CStateManager& mgr);
void UpdateTransform(const zeus::CVector3f& lookDir, const zeus::CVector3f& pos, float dt, CStateManager& mgr);
zeus::CVector3f ConstrainYawAngle(const CPlayer& player, float distance, float yawSpeed, float dt,
CStateManager& mgr) const;
void CheckFailsafe(float dt, CStateManager& mgr);
void UpdateObjectTooCloseId(CStateManager& mgr);
void UpdateAnglePerSecond(float dt);
void UpdateUsingPathCameras(float dt, CStateManager& mgr);
zeus::CVector3f GetFixedLookTarget(const zeus::CVector3f& hintToLookDir, CStateManager& mgr) const;
void UpdateUsingFixedCameras(float dt, CStateManager& mgr);
[[nodiscard]] zeus::CVector3f ComputeVelocity(const zeus::CVector3f& curVel, const zeus::CVector3f& posDelta) const;
zeus::CVector3f TweenVelocity(const zeus::CVector3f& curVel, const zeus::CVector3f& newVel, float rate, float dt);
zeus::CVector3f MoveCollisionActor(const zeus::CVector3f& pos, float dt, CStateManager& mgr);
void UpdateUsingFreeLook(float dt, CStateManager& mgr);
zeus::CVector3f InterpolateCameraElevation(const zeus::CVector3f& camPos, float dt);
[[nodiscard]] zeus::CVector3f CalculateCollidersCentroid(const std::vector<CCameraCollider>& colliderList,
int numObscured) const;
zeus::CVector3f ApplyColliders();
void UpdateColliders(const zeus::CTransform& xf, std::vector<CCameraCollider>& colliderList, int& it, int count,
float tolerance, const rstl::reserved_vector<TUniqueId, 1024>& nearList, float dt,
CStateManager& mgr);
zeus::CVector3f AvoidGeometry(const zeus::CTransform& xf, const rstl::reserved_vector<TUniqueId, 1024>& nearList,
float dt, CStateManager& mgr);
zeus::CVector3f AvoidGeometryFull(const zeus::CTransform& xf, const rstl::reserved_vector<TUniqueId, 1024>& nearList,
float dt, CStateManager& mgr);
zeus::CAABox CalculateCollidersBoundingBox(const std::vector<CCameraCollider>& colliderList,
CStateManager& mgr) const;
[[nodiscard]] int CountObscuredColliders(const std::vector<CCameraCollider>& colliderList) const;
void UpdateCollidersDistances(std::vector<CCameraCollider>& colliderList, float xMag, float zMag, float angOffset);
void UpdateUsingColliders(float dt, CStateManager& mgr);
void UpdateUsingSpindleCameras(float dt, CStateManager& mgr);
zeus::CVector3f ClampElevationToWater(zeus::CVector3f& pos, CStateManager& mgr) const;
void UpdateTransitionFromBallCamera(CStateManager& mgr);
void UpdateUsingTransitions(float dt, CStateManager& mgr);
zeus::CTransform UpdateCameraPositions(float dt, const zeus::CTransform& oldXf, const zeus::CTransform& newXf);
static zeus::CVector3f GetFailsafeSplinePoint(const std::vector<zeus::CVector3f>& points, float t);
bool CheckFailsafeFromMorphBallState(CStateManager& mgr) const;
bool SplineIntersectTest(CMaterialList& intersectMat, CStateManager& mgr) const;
void ActivateFailsafe(float dt, CStateManager& mgr);
bool ConstrainElevationAndDistance(float& elevation, float& distance, float dt, CStateManager& mgr);
zeus::CVector3f FindDesiredPosition(float distance, float elevation, const zeus::CVector3f& dir, CStateManager& mgr,
bool fullTest);
static bool DetectCollision(const zeus::CVector3f& from, const zeus::CVector3f& to, float radius, float& d,
CStateManager& mgr);
void TeleportColliders(std::vector<CCameraCollider>& colliderList, const zeus::CVector3f& pos);
static bool CheckTransitionLineOfSight(const zeus::CVector3f& eyePos, const zeus::CVector3f& behindPos,
float& eyeToOccDist, float colRadius, CStateManager& mgr);
public:
CBallCamera(TUniqueId uid, TUniqueId watchedId, const zeus::CTransform& xf, float fovy, float znear, float zfar,
float aspect);
void Accept(IVisitor& visitor) override;
void AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId objId, CStateManager& stateMgr) override;
void ProcessInput(const CFinalInput& input, CStateManager& mgr) override;
void Reset(const zeus::CTransform&, CStateManager& mgr) override;
void Render(CStateManager& mgr) override;
[[nodiscard]] EBallCameraBehaviour GetBehaviour() const { return x188_behaviour; }
[[nodiscard]] EBallCameraState GetState() const { return x400_state; }
void SetState(EBallCameraState state, CStateManager& mgr);
void Think(float dt, CStateManager& mgr) override;
bool TransitionFromMorphBallState(CStateManager& mgr);
[[nodiscard]] TUniqueId GetTooCloseActorId() const { return x3dc_tooCloseActorId; }
[[nodiscard]] float GetTooCloseActorDistance() const { return x3e0_tooCloseActorDist; }
void TeleportCamera(const zeus::CVector3f& pos, CStateManager& mgr);
void TeleportCamera(const zeus::CTransform& xf, CStateManager& mgr);
[[nodiscard]] const zeus::CVector3f& GetLookPos() const { return x1d8_lookPos; }
void ResetToTweaks(CStateManager& mgr);
void UpdateLookAtPosition(float dt, CStateManager& mgr);
zeus::CTransform UpdateLookDirection(const zeus::CVector3f& dir, CStateManager& mgr);
void SetClampVelTimer(float f) { x470_clampVelTimer = f; }
void SetClampVelRange(float f) { x474_clampVelRange = f; }
void ApplyCameraHint(CStateManager& mgr);
void ResetPosition(CStateManager& mgr);
void DoorClosed(TUniqueId doorId);
void DoorClosing(TUniqueId doorId);
[[nodiscard]] const zeus::CVector3f& GetLookPosAhead() const { return x1c0_lookPosAhead; }
[[nodiscard]] const zeus::CVector3f& GetFixedLookPos() const { return x1cc_fixedLookPos; }
static bool IsBallNearDoor(const zeus::CVector3f& pos, CStateManager& mgr);
};
} // namespace urde
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