metaforce/Runtime/World/CScriptCameraHint.cpp

#include "CScriptCameraHint.hpp"
#include "CActorParameters.hpp"
#include "CStateManager.hpp"
#include "TCastTo.hpp"

namespace urde {

CScriptCameraHint::CScriptCameraHint(TUniqueId uid, std::string_view name, const CEntityInfo& info,
                                     const zeus::CTransform& xf, bool active, s32 priority,
                                     CBallCamera::EBallCameraBehaviour behaviour, u32 overrideFlags, float minDist,
                                     float maxDist, float backwardsDist, const zeus::CVector3f& lookAtOffset,
                                     const zeus::CVector3f& chaseLookAtOffset, const zeus::CVector3f& ballToCam,
                                     float fov, float attitudeRange, float azimuthRange, float anglePerSecond,
                                     float clampVelRange, float clampRotRange, float elevation, float interpolateTime,
                                     float clampVelTime, float controlInterpDur)
: CActor(uid, active, name, info, xf, CModelData::CModelDataNull(), CMaterialList(EMaterialTypes::NoStepLogic),
         CActorParameters::None(), kInvalidUniqueId)
, xe8_priority(priority)
, xec_hint(overrideFlags, behaviour, minDist, maxDist, backwardsDist, lookAtOffset, chaseLookAtOffset, ballToCam, fov,
           attitudeRange, azimuthRange, anglePerSecond, clampVelRange, clampRotRange, elevation, interpolateTime,
           clampVelTime, controlInterpDur)
, x168_origXf(xf) {}

void CScriptCameraHint::Accept(IVisitor& visitor) { visitor.Visit(this); }

void CScriptCameraHint::InitializeInArea(CStateManager& mgr) {
  x164_delegatedCamera = kInvalidUniqueId;
  for (CEntity* ent : mgr.GetAllObjectList()) {
    for (const SConnection& conn : ent->GetConnectionList()) {
      if (mgr.GetIdForScript(conn.x8_objId) != GetUniqueId())
        continue;
      if (conn.x4_msg != EScriptObjectMessage::Increment && conn.x4_msg != EScriptObjectMessage::Decrement)
        continue;

      for (auto it = ent->GetConnectionList().begin(); it != ent->GetConnectionList().cend(); ++it) {
        const SConnection& conn2 = *it;
        if (conn2.x4_msg != EScriptObjectMessage::Increment && conn2.x4_msg != EScriptObjectMessage::Decrement)
          continue;
        TUniqueId id = mgr.GetIdForScript(conn2.x8_objId);
        if (TCastToPtr<CPathCamera>(mgr.ObjectById(id)) || TCastToPtr<CScriptSpindleCamera>(mgr.ObjectById((id)))) {
          ent->ConnectionList().erase(it);
          if (x164_delegatedCamera != id)
            x164_delegatedCamera = id;
          break;
        }
      }
      break;
    }
  }
}

void CScriptCameraHint::AddHelper(TUniqueId id) {
  auto search = std::find_if(x150_helpers.begin(), x150_helpers.end(), [id](TUniqueId tid) { return tid == id; });
  if (search == x150_helpers.end())
    x150_helpers.push_back(id);
}

void CScriptCameraHint::RemoveHelper(TUniqueId id) {
  auto search = std::find_if(x150_helpers.begin(), x150_helpers.end(), [id](TUniqueId tid) { return tid == id; });
  if (search != x150_helpers.end())
    x150_helpers.erase(search);
  else
    x150_helpers.pop_front();
}

void CScriptCameraHint::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId sender, CStateManager& mgr) {
  switch (msg) {
  case EScriptObjectMessage::Deleted:
  case EScriptObjectMessage::Deactivate:
    mgr.GetCameraManager()->DeleteCameraHint(GetUniqueId(), mgr);
    break;
  case EScriptObjectMessage::InitializedInArea:
    InitializeInArea(mgr);
    break;
  default:
    break;
  }

  if (GetActive()) {
    switch (msg) {
    case EScriptObjectMessage::Increment:
      AddHelper(sender);
      mgr.GetCameraManager()->AddActiveCameraHint(GetUniqueId(), mgr);
      x166_inactive = false;
      break;
    case EScriptObjectMessage::Decrement:
      RemoveHelper(sender);
      mgr.GetCameraManager()->AddInactiveCameraHint(GetUniqueId(), mgr);
      break;
    default:
      break;
    }
  }

  if (msg == EScriptObjectMessage::Follow) {
    if (!GetActive()) {
      if (TCastToConstPtr<CActor> act = mgr.GetObjectById(sender)) {
        zeus::CVector3f followerToThisFlat = x168_origXf.origin - act->GetTranslation();
        followerToThisFlat.z() = 0.f;
        if (followerToThisFlat.canBeNormalized())
          followerToThisFlat.normalize();
        else
          followerToThisFlat = act->GetTransform().basis[1];
        zeus::CVector3f target = act->GetTranslation() + followerToThisFlat;
        target.z() = x168_origXf.origin.z() + followerToThisFlat.z();
        SetTransform(zeus::lookAt(act->GetTranslation(), target));
      }
    }
    AddHelper(sender);
    mgr.GetCameraManager()->AddActiveCameraHint(GetUniqueId(), mgr);
  }

  CActor::AcceptScriptMsg(msg, sender, mgr);
}

} // namespace urde