metaforce/Runtime/Character/CBodyController.cpp

#include "CBodyController.hpp"
#include "World/CActor.hpp"
#include "TCastTo.hpp"
#include "World/CPhysicsActor.hpp"
#include "World/CActorModelParticles.hpp"
#include "Character/CPASAnimParm.hpp"
#include "Character/CPASAnimParmData.hpp"
#include "CStateManager.hpp"

namespace urde {

CBodyController::CBodyController(CActor& actor, float turnSpeed, EBodyType bodyType)
: x0_actor(actor), x2a4_bodyStateInfo(actor, bodyType), x2f4_bodyType(bodyType), x2fc_turnSpeed(turnSpeed) {
  x300_28_playDeathAnims = true;
  x2a4_bodyStateInfo.x18_bodyController = this;
}

void CBodyController::EnableAnimation(bool e) { x0_actor.GetModelData()->GetAnimationData()->EnableAnimation(e); }

void CBodyController::Activate(CStateManager& mgr) {
  x300_25_active = true;
  x2a4_bodyStateInfo.SetState(pas::EAnimationState(GetPASDatabase().GetDefaultState()));
  x2a4_bodyStateInfo.GetCurrentState()->Start(*this, mgr);
  x2a4_bodyStateInfo.GetCurrentAdditiveState()->Start(*this, mgr);
}

void CBodyController::UpdateBody(float dt, CStateManager& mgr) {
  UpdateFrozenInfo(dt, mgr);
  if (x320_fireDur > 0.f) {
    if (x328_timeOnFire > x320_fireDur) {
      x328_timeOnFire = 0.f;
      x320_fireDur = 0.f;
    } else {
      x328_timeOnFire += dt;
    }
  } else if (x324_electrocutionDur > 0.f) {
    if (x32c_timeElectrocuting > x324_electrocutionDur) {
      x32c_timeElectrocuting = 0.f;
      x324_electrocutionDur = 0.f;
    } else {
      x32c_timeElectrocuting += dt;
    }
  }

  if (GetPercentageFrozen() < 1.f && x300_28_playDeathAnims) {
    pas::EAnimationState nextState = x2a4_bodyStateInfo.GetCurrentState()->UpdateBody(dt, *this, mgr);
    if (nextState != pas::EAnimationState::Invalid) {
      x2a4_bodyStateInfo.GetCurrentState()->Shutdown(*this);
      x2a4_bodyStateInfo.SetState(nextState);
      x2a4_bodyStateInfo.GetCurrentState()->Start(*this, mgr);
    }

    nextState = x2a4_bodyStateInfo.GetCurrentAdditiveState()->UpdateBody(dt, *this, mgr);
    if (nextState != pas::EAnimationState::Invalid) {
      x2a4_bodyStateInfo.GetCurrentAdditiveState()->Shutdown(*this);
      x2a4_bodyStateInfo.SetAdditiveState(nextState);
      x2a4_bodyStateInfo.GetCurrentAdditiveState()->Start(*this, mgr);
    }
  }
}

void CBodyController::SetTurnSpeed(float s) { x2fc_turnSpeed = std::max(0.f, s); }

void CBodyController::Update(float dt, CStateManager& mgr) {
  SetPlaybackRate(1.f);
  if (x300_25_active) {
    x300_24_animationOver = !x0_actor.GetModelData()->GetAnimationData()->IsAnimTimeRemaining(dt, "Whole Body"sv);
    x4_cmdMgr.BlendSteeringCmds();
    x2dc_rot = zeus::CQuaternion();
    UpdateBody(dt, mgr);
    if (TCastToPtr<CPhysicsActor> act = x0_actor)
      act->RotateInOneFrameOR(x2dc_rot, dt);
    x4_cmdMgr.Reset();
  }
}

bool CBodyController::HasBodyState(pas::EAnimationState s) const { return GetPASDatabase().HasState(s32(s)); }

void CBodyController::SetCurrentAnimation(const CAnimPlaybackParms& parms, bool loop, bool noTrans) {
  x0_actor.GetModelData()->GetAnimationData()->SetAnimation(parms, noTrans);
  x0_actor.GetModelData()->EnableLooping(loop);
  x2f8_curAnim = parms.GetAnimationId();
}

float CBodyController::GetAnimTimeRemaining() const {
  return x0_actor.GetModelData()->GetAnimationData()->GetAnimTimeRemaining("Whole Body");
}

void CBodyController::SetPlaybackRate(float r) { x0_actor.GetModelData()->GetAnimationData()->SetPlaybackRate(r); }

const CPASDatabase& CBodyController::GetPASDatabase() const {
  return x0_actor.GetModelData()->GetAnimationData()->GetCharacterInfo().GetPASDatabase();
}

void CBodyController::MultiplyPlaybackRate(float r) { x0_actor.GetModelData()->GetAnimationData()->MultiplyPlaybackRate(r); }

void CBodyController::FaceDirection(const zeus::CVector3f& v0, float dt) {
  if (x300_26_frozen)
    return;
  zeus::CVector3f noZ = v0;
  noZ.z() = 0.f;
  if (noZ.canBeNormalized()) {
    if (TCastToPtr<CPhysicsActor> act = x0_actor) {
      zeus::CQuaternion rot = zeus::CQuaternion::lookAt(act->GetTransform().basis[1], noZ.normalized(),
                                                        zeus::degToRad(dt * x2fc_turnSpeed));
      rot.setImaginary(act->GetTransform().transposeRotate(rot.getImaginary()));
      act->RotateInOneFrameOR(rot, dt);
    }
  }
}

void CBodyController::FaceDirection3D(const zeus::CVector3f& v0, const zeus::CVector3f& v1, float dt) {
  if (x300_26_frozen)
    return;
  if (v0.canBeNormalized() && v1.canBeNormalized()) {
    if (TCastToPtr<CPhysicsActor> act = x0_actor) {
      zeus::CUnitVector3f uv0 = v0;
      zeus::CUnitVector3f uv1 = v1;
      float dot = uv0.dot(uv1);
      if (!zeus::close_enough(dot, 1.f)) {
        if (dot < -0.9999f) {
          zeus::CQuaternion rot =
              zeus::CQuaternion::fromAxisAngle(act->GetTransform().basis[2], zeus::degToRad(dt * x2fc_turnSpeed));
          rot.setImaginary(act->GetTransform().transposeRotate(rot.getImaginary()));
          act->RotateInOneFrameOR(rot, dt);
        } else {
          zeus::CQuaternion rot = zeus::CQuaternion::clampedRotateTo(uv1, uv0, zeus::degToRad(dt * x2fc_turnSpeed));
          rot.setImaginary(x0_actor.GetTransform().transposeRotate(rot.getImaginary()));
          act->RotateInOneFrameOR(rot, dt);
        }
      }
    }
  }
}

bool CBodyController::HasBodyInfo(CActor& act) {
  return act.GetModelData()->GetAnimationData()->GetCharacterInfo().GetPASDatabase().GetNumAnimStates() != 0;
}

void CBodyController::PlayBestAnimation(const CPASAnimParmData& parms, CRandom16& r) {
  std::pair<float, s32> best = GetPASDatabase().FindBestAnimation(parms, r, -1);
  CAnimPlaybackParms playParms(best.second, -1, 1.f, true);
  SetCurrentAnimation(playParms, false, false);
}

void CBodyController::LoopBestAnimation(const CPASAnimParmData& parms, CRandom16& r) {
  std::pair<float, s32> best = GetPASDatabase().FindBestAnimation(parms, r, -1);
  CAnimPlaybackParms playParms(best.second, -1, 1.f, true);
  SetCurrentAnimation(playParms, true, false);
}

void CBodyController::Freeze(float intoFreezeDur, float frozenDur, float breakoutDur) {
  x304_intoFreezeDur = intoFreezeDur;
  x308_frozenDur = frozenDur;
  x30c_breakoutDur = breakoutDur;
  x300_26_frozen = true;
  x300_27_hasBeenFrozen = true;

  if (TCastToPtr<CPhysicsActor> act = x0_actor) {
    x314_backedUpForce = act->GetConstantForce();
    act->SetConstantForce(zeus::skZero3f);
    act->SetMomentumWR(zeus::skZero3f);
  }

  x320_fireDur = 0.f;
  x328_timeOnFire = 0.f;
  x310_timeFrozen = 0.f;
}

void CBodyController::UnFreeze() {
  SetPlaybackRate(1.f);
  x300_26_frozen = false;
  x304_intoFreezeDur = 0.f;
  x308_frozenDur = 0.f;
  x30c_breakoutDur = 0.f;
  x310_timeFrozen = 0.f;
  x0_actor.SetVolume(1.f);

  if (TCastToPtr<CPhysicsActor> act = x0_actor) {
    act->SetConstantForce(x314_backedUpForce);
    act->SetVelocityWR(x314_backedUpForce * (1.f / act->GetMass()));
  }
}

float CBodyController::GetPercentageFrozen() const {
  float sum = x304_intoFreezeDur + x308_frozenDur + x30c_breakoutDur;
  if (x310_timeFrozen == 0.f || sum == 0.f)
    return 0.f;

  if (x310_timeFrozen <= x304_intoFreezeDur && x304_intoFreezeDur > 0.f)
    return x310_timeFrozen / x304_intoFreezeDur;

  if (x310_timeFrozen < sum - x30c_breakoutDur)
    return 1.f;
  if (x30c_breakoutDur <= 0.f)
    return 1.f;

  return 1.f - (x310_timeFrozen - (x308_frozenDur + x304_intoFreezeDur)) / x30c_breakoutDur;
}

void CBodyController::SetOnFire(float dur) {
  x320_fireDur = dur;
  x328_timeOnFire = 0.f;
  if (IsFrozen())
    UnFreeze();
}

void CBodyController::DouseFlames() {
  if (x320_fireDur <= 0.f)
    return;
  x320_fireDur = 0.f;
  x328_timeOnFire = 0.f;
}

void CBodyController::SetElectrocuting(float dur) {
  if (!IsElectrocuting()) {
    CBCAdditiveReactionCmd reaction(pas::EAdditiveReactionType::Electrocution, 1.f, true);
    x4_cmdMgr.DeliverCmd(reaction);
  }
  x324_electrocutionDur = dur;
  x32c_timeElectrocuting = 0.f;
  if (IsFrozen())
    UnFreeze();
  else if (IsOnFire())
    DouseFlames();
}

void CBodyController::DouseElectrocuting() {
  x324_electrocutionDur = 0.f;
  x32c_timeElectrocuting = 0.f;
  CBodyStateCmd cmd(EBodyStateCmd::StopReaction);
  x4_cmdMgr.DeliverCmd(cmd);
}

void CBodyController::UpdateFrozenInfo(float dt, CStateManager& mgr) {
  if (x300_26_frozen) {
    float totalTime = x304_intoFreezeDur + x308_frozenDur + x30c_breakoutDur;
    if (x310_timeFrozen > totalTime &&
        x2a4_bodyStateInfo.GetCurrentAdditiveStateId() != pas::EAnimationState::AdditiveReaction) {
      UnFreeze();
      x0_actor.SendScriptMsgs(EScriptObjectState::UnFrozen, mgr, EScriptObjectMessage::None);
      mgr.GetActorModelParticles()->StartIce(x0_actor);
      return;
    }
    if (x310_timeFrozen <= totalTime) {
      float percUnfrozen = 1.f;
      if (x310_timeFrozen < totalTime - x30c_breakoutDur)
        percUnfrozen = 1.f - GetPercentageFrozen();
      MultiplyPlaybackRate(percUnfrozen);
      x310_timeFrozen += dt;
      x0_actor.SetVolume(percUnfrozen);
      if (x310_timeFrozen > totalTime && HasIceBreakoutState()) {
        CBCAdditiveReactionCmd cmd(pas::EAdditiveReactionType::IceBreakout, 1.f, false);
        x4_cmdMgr.DeliverCmd(cmd);
      }
    }
  }
}

bool CBodyController::HasIceBreakoutState() const {
  CPASAnimParmData parms(24, CPASAnimParm::FromEnum(3));
  std::pair<float, s32> best = GetPASDatabase().FindBestAnimation(parms, -1);
  return best.first > 0.f;
}

void CBodyController::StopElectrocution() {
  x324_electrocutionDur = 0.f;
  x32c_timeElectrocuting = 0.f;
  x4_cmdMgr.DeliverCmd(CBodyStateCmd(EBodyStateCmd::StopReaction));
}

void CBodyController::FrozenBreakout() {
  if (x300_26_frozen) {
    float timeToBreakout = x304_intoFreezeDur + x308_frozenDur;
    if (x310_timeFrozen < timeToBreakout)
      x310_timeFrozen = timeToBreakout;
  }
}

} // namespace urde