metaforce/Runtime/Character/CBodyState.hpp

#pragma once

#include "Runtime/RetroTypes.hpp"
#include "Runtime/Character/CBodyStateCmdMgr.hpp"
#include "Runtime/Character/CharacterCommon.hpp"

#include <zeus/CVector3f.hpp>

namespace urde {
class CBodyController;
class CStateManager;
class CActor;
class CBodyState {
public:
  virtual ~CBodyState() = default;
  virtual bool IsInAir(const CBodyController&) const { return false; }
  virtual bool IsDead() const { return false; }
  virtual bool IsDying() const { return false; }
  virtual bool IsMoving() const { return false; }
  virtual bool ApplyGravity() const { return true; }
  virtual bool ApplyHeadTracking() const { return true; }
  virtual bool ApplyAnimationDeltas() const { return true; }
  virtual bool CanShoot() const { return false; }
  virtual void Start(CBodyController&, CStateManager&) = 0;
  virtual pas::EAnimationState UpdateBody(float, CBodyController&, CStateManager&) = 0;
  virtual void Shutdown(CBodyController&) = 0;
};

class CBSAttack : public CBodyState {
  pas::EAnimationState x4_nextState = pas::EAnimationState::Invalid;
  CBCSlideCmd x8_slide;
  zeus::CVector3f x20_targetPos;
  float x2c_alignTargetPosStartTime = -1.f;
  float x30_alignTargetPosTime = -1.f;
  float x34_curTime = 0.f;
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc);
  void UpdatePhysicsActor(const CBodyController& bc, float dt);

public:
  bool CanShoot() const override { return false; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSProjectileAttack : public CBodyState {
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  bool CanShoot() const override { return true; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSDie : public CBodyState {
  float x4_remTime = 0.f;
  bool x8_isDead = false;

public:
  bool IsDead() const override { return x8_isDead; }
  bool IsDying() const override { return true; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSFall : public CBodyState {
  float x4_rotateSpeed = 0.f;
  float x8_remTime = 0.f;
  pas::EFallState xc_fallState = pas::EFallState::Invalid;
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController& bc) override;
};

class CBSGetup : public CBodyState {
  pas::EFallState x4_fallState = pas::EFallState::Invalid;
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController& bc) override;
};

class CBSKnockBack : public CBodyState {
  float x4_curTime = 0.f;
  float x8_rotateSpeed = 0.f;
  float xc_remTime = 0.f;
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  bool IsMoving() const override { return true; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSLieOnGround : public CBodyState {
  bool x4_24_hasGroundHit : 1;
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  explicit CBSLieOnGround(CActor& actor);
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController& bc) override;
};

class CBSStep : public CBodyState {
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  bool IsMoving() const override { return true; }
  bool CanShoot() const override { return true; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSTurn : public CBodyState {
protected:
  float x4_rotateSpeed = 0.f;
  zeus::CVector2f x8_dest;
  pas::ETurnDirection x10_turnDir = pas::ETurnDirection::Invalid;
  bool FacingDest(const CBodyController& bc) const;

public:
  bool CanShoot() const override { return true; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
  virtual pas::EAnimationState GetBodyStateTransition(float dt, CBodyController& bc) const;
};

class CBSFlyerTurn : public CBSTurn {
public:
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
};

class CBSLoopAttack : public CBodyState {
  pas::ELoopState x4_state = pas::ELoopState::Invalid;
  pas::ELoopAttackType x8_loopAttackType = pas::ELoopAttackType::Invalid;
  bool xc_24_waitForAnimOver : 1;
  bool xc_25_advance : 1;
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  CBSLoopAttack() {
    xc_24_waitForAnimOver = false;
    xc_25_advance = false;
  }
  bool CanShoot() const override { return true; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSLoopReaction : public CBodyState {
  pas::ELoopState x4_state = pas::ELoopState::Invalid;
  pas::EReactionType x8_reactionType = pas::EReactionType::Invalid;
  bool xc_24_loopHit : 1;
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;
  bool PlayExitAnimation(CBodyController& bc, CStateManager& mgr) const;

public:
  CBSLoopReaction() { xc_24_loopHit = false; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSGroundHit : public CBodyState {
  float x4_rotateSpeed = 0.f;
  float x8_remTime = 0.f;
  pas::EFallState xc_fallState = pas::EFallState::Invalid;
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController& bc) override;
};

class CBSGenerate : public CBodyState {
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSJump : public CBodyState {
  pas::EJumpState x4_state = pas::EJumpState::Invalid;
  pas::EJumpType x8_jumpType{};
  zeus::CVector3f xc_waypoint1;
  zeus::CVector3f x18_velocity;
  zeus::CVector3f x24_waypoint2;
  union {
    struct {
      bool x30_24_bodyForceSet : 1;
      bool x30_25_wallJump : 1;
      bool x30_26_wallBounceRight : 1;
      bool x30_27_wallBounceComplete : 1;
      bool x30_28_startInJumpLoop : 1;
    };
    u32 _dummy = 0;
  };
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;
  bool CheckForWallJump(CBodyController& bc, CStateManager& mgr);
  void CheckForLand(CBodyController& bc, CStateManager& mgr);
  void PlayJumpLoop(CStateManager& mgr, CBodyController& bc);

public:
  bool IsMoving() const override { return true; }
  bool ApplyHeadTracking() const override { return false; }
  bool CanShoot() const override;
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  bool ApplyAnimationDeltas() const override;
  bool IsInAir(const CBodyController& bc) const override;
  void Shutdown(CBodyController&) override {}
};

class CBSHurled : public CBodyState {
  pas::EHurledState x4_state = pas::EHurledState::Invalid;
  float x8_knockAngle = 0.f;
  int xc_animSeries = -1;
  float x10_rotateSpeed = 0.f;
  float x14_remTime = 0.f;
  float x18_curTime = 0.f;
  mutable zeus::CVector3f x1c_lastTranslation;
  mutable float x28_landedDur = 0.f;
  bool x2c_24_needsRecover : 1;
  pas::EAnimationState GetBodyStateTransition(float dt, CBodyController& bc) const;
  void Recover(CStateManager& mgr, CBodyController& bc, pas::EHurledState state);
  void PlayStrikeWallAnimation(CBodyController& bc, CStateManager& mgr);
  void PlayLandAnimation(CBodyController& bc, CStateManager& mgr);
  bool ShouldStartStrikeWall(CBodyController& bc) const;
  bool ShouldStartLand(float dt, CBodyController& bc) const;

public:
  CBSHurled() { x2c_24_needsRecover = false; }
  bool IsMoving() const override { return true; }
  bool IsInAir(const CBodyController&) const override { return true; }
  bool ApplyHeadTracking() const override { return false; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSSlide : public CBodyState {
  float x4_rotateSpeed = 0.f;
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  bool ApplyHeadTracking() const override { return false; }
  bool IsMoving() const override { return true; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSTaunt : public CBodyState {
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSScripted : public CBodyState {
  union {
    struct {
      bool x4_24_loopAnim : 1;
      bool x4_25_timedLoop : 1;
    };
    u32 _dummy = 0;
  };
  float x8_remTime = 0.f;
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  bool ApplyHeadTracking() const override { return false; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSCover : public CBodyState {
  pas::ECoverState x4_state = pas::ECoverState::Invalid;
  pas::ECoverDirection x8_coverDirection = pas::ECoverDirection::Invalid;
  bool xc_needsExit = false;
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;

public:
  bool ApplyHeadTracking() const override { return false; }
  bool IsMoving() const override { return true; }
  bool CanShoot() const override { return x4_state == pas::ECoverState::Lean; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSWallHang : public CBodyState {
  pas::EWallHangState x4_state = pas::EWallHangState::Invalid;
  TUniqueId x8_wpId = kInvalidUniqueId;
  zeus::CVector3f xc_launchVel;
  union {
    struct {
      bool x18_24_launched : 1;
      bool x18_25_needsExit : 1;
    };
    u32 _dummy = 0;
  };
  pas::EAnimationState GetBodyStateTransition(float dt, const CBodyController& bc) const;
  void FixInPlace(CBodyController& bc);
  bool CheckForLand(CBodyController& bc, CStateManager& mgr);
  bool CheckForWall(CBodyController& bc, CStateManager& mgr);
  void SetLaunchVelocity(CBodyController& bc);

public:
  bool IsMoving() const override { return true; }
  bool CanShoot() const override { return x4_state == pas::EWallHangState::WallHang; }
  bool IsInAir(const CBodyController& bc) const override;
  bool ApplyGravity() const override;
  bool ApplyHeadTracking() const override;
  bool ApplyAnimationDeltas() const override;
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController&) override {}
};

class CBSLocomotion : public CBodyState {
protected:
  pas::ELocomotionType x4_locomotionType = pas::ELocomotionType::Invalid;
  float GetStartVelocityMagnitude(const CBodyController& bc) const;
  void ReStartBodyState(CBodyController& bc, bool maintainVel);
  float ComputeWeightPercentage(const std::pair<s32, float>& a, const std::pair<s32, float>& b, float f) const;

public:
  bool IsMoving() const override = 0;
  bool CanShoot() const override { return true; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  void Shutdown(CBodyController& bc) override;
  virtual bool IsPitchable() const { return false; }
  virtual float GetLocomotionSpeed(pas::ELocomotionType type, pas::ELocomotionAnim anim) const = 0;
  virtual float ApplyLocomotionPhysics(float dt, CBodyController& bc);
  virtual float UpdateLocomotionAnimation(float dt, float velMag, CBodyController& bc, bool init) = 0;
  virtual pas::EAnimationState GetBodyStateTransition(float dt, CBodyController& bc);
};

class CBSBiPedLocomotion : public CBSLocomotion {
protected:
  rstl::reserved_vector<rstl::reserved_vector<std::pair<s32, float>, 8>, 14> x8_anims;
  pas::ELocomotionAnim x3c4_anim = pas::ELocomotionAnim::Invalid;
  float x3c8_primeTime = 0.0f;
  float UpdateRun(float vel, CBodyController& bc, pas::ELocomotionAnim anim);
  float UpdateWalk(float vel, CBodyController& bc, pas::ELocomotionAnim anim);
  float UpdateStrafe(float vel, CBodyController& bc, pas::ELocomotionAnim anim);
  const std::pair<s32, float>& GetLocoAnimation(pas::ELocomotionType type, pas::ELocomotionAnim anim) const {
    return x8_anims[size_t(type)][size_t(anim)];
  }

public:
  explicit CBSBiPedLocomotion(CActor& actor);
  bool IsMoving() const override { return x3c4_anim != pas::ELocomotionAnim::Idle; }
  void Start(CBodyController& bc, CStateManager& mgr) override;
  pas::EAnimationState UpdateBody(float dt, CBodyController& bc, CStateManager& mgr) override;
  float GetLocomotionSpeed(pas::ELocomotionType type, pas::ELocomotionAnim anim) const override;
  float UpdateLocomotionAnimation(float dt, float velMag, CBodyController& bc, bool init) override;
  virtual bool IsStrafing(const CBodyController& bc) const;
};

class CBSFlyerLocomotion : public CBSBiPedLocomotion {
  bool x3cc_pitchable;

public:
  explicit CBSFlyerLocomotion(CActor& actor, bool pitchable);
  bool IsPitchable() const override { return x3cc_pitchable; }
  float ApplyLocomotionPhysics(float dt, CBodyController& bc) override;
  virtual bool IsBackPedal(CBodyController& bc) const { return false; }
};

class CBSWallWalkerLocomotion : public CBSBiPedLocomotion {
public:
  explicit CBSWallWalkerLocomotion(CActor& actor);
  float ApplyLocomotionPhysics(float dt, CBodyController& bc) override;
};

class CBSNewFlyerLocomotion : public CBSBiPedLocomotion {
public:
  explicit CBSNewFlyerLocomotion(CActor& actor);
  float ApplyLocomotionPhysics(float dt, CBodyController& bc) override;
  float UpdateLocomotionAnimation(float dt, float velMag, CBodyController& bc, bool init) override;
};

class CBSRestrictedLocomotion : public CBSLocomotion {
  rstl::reserved_vector<s32, 14> x8_anims;
  pas::ELocomotionAnim x44_anim = pas::ELocomotionAnim::Invalid;

public:
  explicit CBSRestrictedLocomotion(CActor& actor);
  bool IsMoving() const override { return false; }
  float GetLocomotionSpeed(pas::ELocomotionType type, pas::ELocomotionAnim anim) const override { return 0.f; }
  float UpdateLocomotionAnimation(float dt, float velMag, CBodyController& bc, bool init) override;
};

class CBSRestrictedFlyerLocomotion : public CBSRestrictedLocomotion {
public:
  explicit CBSRestrictedFlyerLocomotion(CActor& actor);
  float ApplyLocomotionPhysics(float dt, CBodyController& bc) override;
};
} // namespace urde