From c1c22eb065d67504c30d51bb1d34c4e3533e7dd8 Mon Sep 17 00:00:00 2001
From: Phillip Stephens <antidote.crk@gmail.com>
Date: Mon, 11 Feb 2019 17:58:12 -0800
Subject: [PATCH] Fix IA4 encoding/decoding

---
 .idea/codeStyles/Project.xml      |  19 ---
 DataSpec/DNACommon/TXTR.cpp       |   8 +-
 Runtime/CPlayerState.cpp          |   2 +
 Runtime/MP1/World/CJellyZap.cpp   | 186 ++++++++++++++++++++++++++++++
 Runtime/MP1/World/CJellyZap.hpp   |  54 +++++++++
 Runtime/MP1/World/CMakeLists.txt  |   1 +
 Runtime/World/CPatterned.cpp      |   4 +
 Runtime/World/CPatterned.hpp      |   1 +
 Runtime/World/CScriptWaypoint.cpp |   3 +-
 Runtime/World/ScriptLoader.cpp    |  70 ++++++++++-
 10 files changed, 319 insertions(+), 29 deletions(-)
 create mode 100644 Runtime/MP1/World/CJellyZap.cpp
 create mode 100644 Runtime/MP1/World/CJellyZap.hpp

diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index e3b0700a2..d7e7012ec 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -12,25 +12,6 @@
       <option name="SPACE_AFTER_REFERENCE_IN_DECLARATION" value="true" />
     </Objective-C>
     <Objective-C-extensions>
-      <file>
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Import" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Typedef" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Enum" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Constant" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
-      </file>
-      <class>
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
-      </class>
       <extensions>
         <pair source="cpp" header="hpp" fileNamingConvention="NONE" />
         <pair source="c" header="h" fileNamingConvention="NONE" />
diff --git a/DataSpec/DNACommon/TXTR.cpp b/DataSpec/DNACommon/TXTR.cpp
index 6a996fe73..459951094 100644
--- a/DataSpec/DNACommon/TXTR.cpp
+++ b/DataSpec/DNACommon/TXTR.cpp
@@ -238,8 +238,8 @@ static void DecodeIA4(png_structp png, png_infop info, const uint8_t* texels, in
   for (int y = height - 1; y >= 0; --y) {
     for (int x = 0; x < width; ++x) {
       uint8_t texel = Lookup8BPP(texels, width, x, y);
-      buf[x * 2] = Convert4To8(texel >> 4 & 0xf);
-      buf[x * 2 + 1] = Convert4To8(texel & 0xf);
+      buf[x * 2 ] = Convert4To8(texel & 0xf);
+      buf[x * 2 + 1] = Convert4To8(texel >> 4 & 0xf);
     }
     png_write_row(png, buf.get());
   }
@@ -252,8 +252,8 @@ static void EncodeIA4(const uint8_t* rgbaIn, uint8_t* texels, int width, int hei
     {
         for (int x=0 ; x<width ; ++x)
         {
-            uint8_t texel = Convert8To4(rgbaIn[x*2]) << 4;
-            texel |= Convert8To4(rgbaIn[x*2+1]);
+            uint8_t texel = Convert8To4(rgbaIn[x*2+1]) << 4;
+            texel |= Convert8To4(rgbaIn[x*2]);
             Set8BPP(texels, width, x, y, texel);
             rgbaIn += width * 2;
         }
diff --git a/Runtime/CPlayerState.cpp b/Runtime/CPlayerState.cpp
index 300e475a0..dc8084b49 100644
--- a/Runtime/CPlayerState.cpp
+++ b/Runtime/CPlayerState.cpp
@@ -386,9 +386,11 @@ const std::unordered_map<std::string_view, CPlayerState::EItemType> CPlayerState
     {"thermalvisor"sv, EItemType::ThermalVisor},
     {"chargebeam"sv, EItemType::ChargeBeam},
     {"supermissile"sv, EItemType::SuperMissile},
+    {"grapple"sv, EItemType::GrappleBeam},
     {"grapplebeam"sv, EItemType::GrappleBeam},
     {"xrayvisor"sv, EItemType::XRayVisor},
     {"icespreader"sv, EItemType::IceSpreader},
+    {"spacejump"sv, EItemType::SpaceJumpBoots},
     {"spacejumpboots"sv, EItemType::SpaceJumpBoots},
     {"morphball"sv, EItemType::MorphBall},
     {"combatvisor"sv, EItemType::CombatVisor},
diff --git a/Runtime/MP1/World/CJellyZap.cpp b/Runtime/MP1/World/CJellyZap.cpp
new file mode 100644
index 000000000..601855f0e
--- /dev/null
+++ b/Runtime/MP1/World/CJellyZap.cpp
@@ -0,0 +1,186 @@
+#include "CJellyZap.hpp"
+#include "CStateManager.hpp"
+#include "World/CPlayer.hpp"
+#include "TCastTo.hpp"
+
+namespace urde::MP1 {
+const CMaterialFilter CJellyZap::kPlayerFilter = CMaterialFilter::MakeInclude({EMaterialTypes::Player});
+
+CJellyZap::CJellyZap(TUniqueId uid, std::string_view name, const CEntityInfo& info, const zeus::CTransform& xf,
+                     CModelData&& mData, const CDamageInfo& dInfo, bool b1, float f1, float f2, float f3, float f4,
+                     float f5, float f6, float f7, float f8, float f9, float f10, float f11, float f12,
+                     const CPatternedInfo& pInfo, const CActorParameters& actParms)
+: CPatterned(ECharacter::JellyZap, uid, name, EFlavorType::Zero, info, xf, std::move(mData), pInfo,
+             EMovementType::Flyer, EColliderType::One, EBodyType::BiPedal, actParms, EKnockBackVariant::Medium)
+, x56c_attackDamage(dInfo)
+, x588_attackRadius(f1)
+, x58c_(f2)
+, x590_(f4)
+, x594_(f3)
+, x598_(f8)
+, x59c_(f9)
+, x5a0_(f10)
+, x5a4_(f11)
+, x5a8_attackDelay(f5)
+, x5ac_(f6)
+, x5b0_(f7)
+, x5b4_(f12)
+, x5b8_24_(false)
+, x5b8_25_(false)
+, x5b8_26_(b1) {
+  UpdateThermalFrozenState(true);
+  x50c_baseDamageMag = 0.f;
+}
+
+void CJellyZap::Accept(IVisitor& visitor) { visitor.Visit(this); }
+
+void CJellyZap::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId uid, CStateManager& mgr) {
+  CPatterned::AcceptScriptMsg(msg, uid, mgr);
+  if (msg == EScriptObjectMessage::Registered) {
+    x450_bodyController->Activate(mgr);
+  } else if (msg == EScriptObjectMessage::Activate) {
+    AddAttractor(mgr);
+  } else if (msg == EScriptObjectMessage::Deleted || msg == EScriptObjectMessage::Deactivate) {
+    RemoveAllAttractors(mgr);
+  }
+}
+
+void CJellyZap::Think(float dt, CStateManager& mgr) {
+  CPatterned::Think(dt, mgr);
+  if (!GetActive())
+    return;
+  if (x5b8_24_)
+    x450_bodyController->FaceDirection(GetTranslation() - mgr.GetPlayer().GetTranslation(), dt);
+
+  float fv = (x5b8_25_ && x450_bodyController->GetPercentageFrozen() == 0.f ? x50c_baseDamageMag + (dt / 0.3f)
+                                                                            : x50c_baseDamageMag - (dt / 0.75f));
+  x50c_baseDamageMag = zeus::clamp(0.f, fv, 1.f);
+}
+
+void CJellyZap::DoUserAnimEvent(CStateManager& mgr, const CInt32POINode& node, EUserEventType type, float dt) {
+  if (type == EUserEventType::DamageOn) {
+    mgr.ApplyDamageToWorld(GetUniqueId(), *this, GetTranslation(), x56c_attackDamage, kPlayerFilter);
+    return;
+  }
+  CPatterned::DoUserAnimEvent(mgr, node, type, dt);
+}
+
+void CJellyZap::Attack(CStateManager& mgr, EStateMsg msg, float arg) {
+  if (msg == EStateMsg::Activate) {
+    x32c_animState = EAnimState::Ready;
+    AddRepulsor(mgr);
+    x5b8_25_ = true;
+    float dist = (mgr.GetPlayer().GetTranslation() - GetTranslation()).magSquared();
+    if (dist < x56c_attackDamage.GetRadius()) {
+      float staticTimer = 3.f * (1.f - (dist / x56c_attackDamage.GetRadius())) + 2.f;
+      if (staticTimer > mgr.GetPlayer().GetStaticTimer()) {
+        mgr.GetPlayer().SetHudDisable(staticTimer, 0.5f, 2.5f);
+        mgr.GetPlayer().SetOrbitRequestForTarget(mgr.GetPlayer().GetOrbitTargetId(),
+                                                 CPlayer::EPlayerOrbitRequest::ActivateOrbitSource, mgr);
+      }
+
+      mgr.GetPlayerState()->GetStaticInterference().AddSource(GetUniqueId(), 0.5f, 0.5f);
+    }
+    x330_stateMachineState.SetDelay(x5ac_);
+  } else if (msg == EStateMsg::Update) {
+    TryCommand(mgr, pas::EAnimationState::MeleeAttack, &CPatterned::TryMeleeAttack, 1);
+  } else if (msg == EStateMsg::Deactivate) {
+    RemoveAllAttractors(mgr);
+    x32c_animState = EAnimState::NotReady;
+    x5b8_25_ = false;
+  }
+}
+
+void CJellyZap::Suck(CStateManager& mgr, EStateMsg msg, float arg) {
+  if (msg == EStateMsg::Activate) {
+    x32c_animState = EAnimState::Ready;
+    RemoveAllAttractors(mgr);
+  } else if (msg == EStateMsg::Update) {
+
+  } else if (msg == EStateMsg::Deactivate) {
+
+  }
+}
+
+void CJellyZap::Active(CStateManager& mgr, EStateMsg msg, float arg) {
+  if (msg == EStateMsg::Activate) {
+    x5b8_24_ = true;
+    x450_bodyController->SetLocomotionType(pas::ELocomotionType::Lurk);
+    x568_ = 0;
+    x330_stateMachineState.SetDelay(x3d0_playerLeashTime);
+  } else if (msg == EStateMsg::Update) {
+    zeus::CVector3f targetVector =
+      GetTranslation() - (zeus::CVector3f(0.f, 0.f, 1.f) + mgr.GetPlayer().GetTranslation());
+    x450_bodyController->GetCommandMgr().SetTargetVector(targetVector);
+    if (x5b8_26_) {
+      zeus::CVector3f moveToImpulse =
+          GetMoveToORImpulseWR(GetTransform().transposeRotate(arg * (zeus::CVector3f(0.f, 1.f, 0.f) * x598_)), arg);
+      ApplyImpulseOR(moveToImpulse, zeus::CAxisAngle::sIdentity);
+    }
+  } else if (msg == EStateMsg::Deactivate) {
+    x5b8_24_ = false;
+  }
+}
+
+void CJellyZap::InActive(CStateManager& mgr, EStateMsg msg, float) {
+  if (msg == EStateMsg::Activate) {
+    x400_24_hitByPlayerProjectile = false;
+    x450_bodyController->SetLocomotionType(pas::ELocomotionType::Relaxed);
+    AddAttractor(mgr);
+    x568_ = 0;
+  }
+}
+
+void CJellyZap::Flinch(CStateManager& mgr, EStateMsg msg, float arg) {
+  if (msg == EStateMsg::Activate) {
+    x400_24_hitByPlayerProjectile = false;
+    x32c_animState = EAnimState::NotReady;
+    x330_stateMachineState.SetDelay(x5b0_);
+  } else if (msg == EStateMsg::Update) {
+    TryCommand(mgr, pas::EAnimationState::KnockBack, &CPatterned::TryKnockBack, 0);
+  } else if (msg == EStateMsg::Deactivate) {
+    x32c_animState = EAnimState::NotReady;
+  }
+}
+
+bool CJellyZap::InAttackPosition(CStateManager& mgr, float) {
+  if (mgr.GetPlayer().GetFluidCounter() == 0)
+    return false;
+
+  return (mgr.GetPlayer().GetTranslation() - GetTranslation()).magnitude() < x588_attackRadius * x588_attackRadius;
+}
+
+bool CJellyZap::InDetectionRange(CStateManager& mgr, float arg) {
+  return (mgr.GetPlayer().GetFluidCounter() != 0 ? CPatterned::InDetectionRange(mgr, arg) : false);
+}
+
+void CJellyZap::AddSelfToFishCloud(CStateManager, float, bool b) {}
+
+void CJellyZap::AddRepulsor(CStateManager&) {}
+
+void CJellyZap::AddAttractor(CStateManager&) {}
+
+void CJellyZap::RemoveSelfFromFishCloud(CStateManager&) {}
+
+void CJellyZap::RemoveAllAttractors(CStateManager& mgr) { RemoveSelfFromFishCloud(mgr); }
+
+bool CJellyZap::ClosestToPlayer(CStateManager& mgr) {
+  zeus::CVector3f playerPos = mgr.GetPlayer().GetTranslation();
+  float ourDistance = (playerPos - GetTranslation()).magnitude();
+  float closestDistance = ourDistance;
+  for (CEntity* ent : mgr.GetPhysicsActorObjectList()) {
+    if (CJellyZap* zap = CPatterned::CastTo<CJellyZap>(ent)) {
+      if (zap->GetAreaIdAlways() != GetAreaIdAlways())
+        continue;
+
+      float tmpDist = (playerPos - zap->GetTranslation()).magnitude();
+      if (tmpDist < closestDistance)
+        closestDistance = tmpDist;
+
+      if (zap->x5b8_25_)
+        return false;
+    }
+  }
+  return zeus::close_enough(closestDistance, ourDistance);
+}
+} // namespace urde::MP1
\ No newline at end of file
diff --git a/Runtime/MP1/World/CJellyZap.hpp b/Runtime/MP1/World/CJellyZap.hpp
new file mode 100644
index 000000000..3178d06e1
--- /dev/null
+++ b/Runtime/MP1/World/CJellyZap.hpp
@@ -0,0 +1,54 @@
+#pragma once
+
+#include "World/CPatterned.hpp"
+
+namespace urde::MP1 {
+class CJellyZap : public CPatterned {
+  static const CMaterialFilter kPlayerFilter;
+  u32 x568_ = 0;
+  CDamageInfo x56c_attackDamage;
+  float x588_attackRadius;
+  float x58c_;
+  float x590_;
+  float x594_;
+  float x598_;
+  float x59c_;
+  float x5a0_;
+  float x5a4_;
+  float x5a8_attackDelay;
+  float x5ac_;
+  float x5b0_;
+  float x5b4_;
+  bool x5b8_24_ : 1;
+  bool x5b8_25_ : 1;
+  bool x5b8_26_ : 1;
+
+  void AddSelfToFishCloud(CStateManager, float, bool);
+  void AddRepulsor(CStateManager&);
+  void AddAttractor(CStateManager&);
+  void RemoveSelfFromFishCloud(CStateManager&);
+  void RemoveAllAttractors(CStateManager&);
+  bool ClosestToPlayer(CStateManager&);
+
+public:
+  DEFINE_PATTERNED(JellyZap)
+
+  CJellyZap(TUniqueId, std::string_view, const CEntityInfo&, const zeus::CTransform&, CModelData&&, const CDamageInfo&,
+            bool, float, float, float, float, float, float, float, float, float, float, float, float,
+            const CPatternedInfo&, const CActorParameters&);
+
+  void Accept(IVisitor&);
+  void AcceptScriptMsg(EScriptObjectMessage, TUniqueId, CStateManager&);
+  void Think(float, CStateManager&);
+  void DoUserAnimEvent(CStateManager&, const CInt32POINode&, EUserEventType, float dt);
+  void Attack(CStateManager&, EStateMsg, float);
+  void Suck(CStateManager&, EStateMsg, float);
+  void Active(CStateManager&, EStateMsg, float);
+  void InActive(CStateManager&, EStateMsg, float);
+  void Flinch(CStateManager&, EStateMsg, float);
+  bool ShouldAttack(CStateManager&, float) { return x330_stateMachineState.GetTime() > x5a8_attackDelay; }
+  bool ShouldSpecialAttack(CStateManager& mgr, float) { return ClosestToPlayer(mgr); }
+  bool InAttackPosition(CStateManager&, float);
+  bool InDetectionRange(CStateManager&, float);
+};
+} // namespace urde::MP1
\ No newline at end of file
diff --git a/Runtime/MP1/World/CMakeLists.txt b/Runtime/MP1/World/CMakeLists.txt
index 5c2cfe4f4..d4f15b72c 100644
--- a/Runtime/MP1/World/CMakeLists.txt
+++ b/Runtime/MP1/World/CMakeLists.txt
@@ -14,6 +14,7 @@ set(MP1_WORLD_SOURCES
     CAtomicAlpha.hpp CAtomicAlpha.cpp
     CAtomicBeta.hpp CAtomicBeta.cpp
     CFlickerBat.hpp CFlickerBat.cpp
+    CJellyZap.hpp CJellyZap.cpp
     CFlyingPirate.hpp CFlyingPirate.cpp
     CMetroidPrimeRelay.hpp CMetroidPrimeRelay.cpp
     CMetroidPrimeExo.hpp CMetroidPrimeExo.cpp
diff --git a/Runtime/World/CPatterned.cpp b/Runtime/World/CPatterned.cpp
index ce6570601..5afa68325 100644
--- a/Runtime/World/CPatterned.cpp
+++ b/Runtime/World/CPatterned.cpp
@@ -928,6 +928,10 @@ void CPatterned::TryWallHang(CStateManager& mgr, int arg) {
   x450_bodyController->GetCommandMgr().DeliverCmd(CBCWallHangCmd(x2dc_destObj));
 }
 
+void CPatterned::TryKnockBack(CStateManager& mgr, int arg) {
+  x450_bodyController->GetCommandMgr().DeliverCmd(CBCKnockBackCmd(GetTranslation(), pas::ESeverity(arg)));
+}
+
 void CPatterned::BuildBodyController(EBodyType bodyType) {
   if (x450_bodyController)
     return;
diff --git a/Runtime/World/CPatterned.hpp b/Runtime/World/CPatterned.hpp
index 4482cc04a..5004ecfbe 100644
--- a/Runtime/World/CPatterned.hpp
+++ b/Runtime/World/CPatterned.hpp
@@ -333,6 +333,7 @@ public:
   void TryBreakDodge(CStateManager& mgr, int arg);
   void TryCover(CStateManager& mgr, int arg);
   void TryWallHang(CStateManager& mgr, int arg);
+  void TryKnockBack(CStateManager& mgr, int arg);
 
   virtual bool KnockbackWhenFrozen() const { return true; }
   virtual void MassiveDeath(CStateManager& mgr);
diff --git a/Runtime/World/CScriptWaypoint.cpp b/Runtime/World/CScriptWaypoint.cpp
index 4dfe69361..3efe7f7c4 100644
--- a/Runtime/World/CScriptWaypoint.cpp
+++ b/Runtime/World/CScriptWaypoint.cpp
@@ -27,8 +27,7 @@ void CScriptWaypoint::Accept(IVisitor& visitor) { visitor.Visit(this); }
 
 void CScriptWaypoint::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId sender, CStateManager& mgr) {
   CActor::AcceptScriptMsg(msg, sender, mgr);
-  if (GetActive())
-    if (msg == EScriptObjectMessage::Arrived)
+  if (GetActive() && msg == EScriptObjectMessage::Arrived)
       SendScriptMsgs(EScriptObjectState::Arrived, mgr, EScriptObjectMessage::None);
 }
 
diff --git a/Runtime/World/ScriptLoader.cpp b/Runtime/World/ScriptLoader.cpp
index 76b9a797d..2df31b8b0 100644
--- a/Runtime/World/ScriptLoader.cpp
+++ b/Runtime/World/ScriptLoader.cpp
@@ -29,6 +29,7 @@
 #include "CScriptCameraShaker.hpp"
 #include "CScriptCameraWaypoint.hpp"
 #include "CScriptColorModulate.hpp"
+#include "MP1/World/CJellyZap.hpp"
 #include "CScriptControllerAction.hpp"
 #include "CScriptCounter.hpp"
 #include "MP1/World/CElitePirate.hpp"
@@ -2368,8 +2369,39 @@ CEntity* ScriptLoader::LoadVisorGoo(CStateManager& mgr, CInputStream& in, int pr
 }
 
 CEntity* ScriptLoader::LoadJellyZap(CStateManager& mgr, CInputStream& in, int propCount, const CEntityInfo& info) {
-  UNIMPLEMENTED("JellyZap");
-  return nullptr;
+  if (!EnsurePropertyCount(propCount, 20, "JellyZap"))
+    return nullptr;
+
+  SScaledActorHead aHead = LoadScaledActorHead(in, mgr);
+  auto pair = CPatternedInfo::HasCorrectParameterCount(in);
+  if (!pair.first)
+    return nullptr;
+
+  CPatternedInfo pInfo(in, pair.second);
+  CActorParameters actParms = LoadActorParameters(in);
+  CDamageInfo dInfo(in);
+  float f1 = in.readFloatBig();
+  float f2 = in.readFloatBig();
+  float f3 = in.readFloatBig();
+  float f4 = in.readFloatBig();
+  float f5 = in.readFloatBig();
+  float f6 = in.readFloatBig();
+  float f7 = in.readFloatBig();
+  float f8 = in.readFloatBig();
+  float f9 = in.readFloatBig();
+  float f10 = in.readFloatBig();
+  float f11 = in.readFloatBig();
+  float f12 = in.readFloatBig();
+  bool b1 = in.readBool();
+
+  const CAnimationParameters& animParms = pInfo.GetAnimationParameters();
+  if (g_ResFactory->GetResourceTypeById(animParms.GetACSFile()) != SBIG('ANCS'))
+    return nullptr;
+
+  CModelData mData(CAnimRes(animParms.GetACSFile(), animParms.GetCharacter(), aHead.x40_scale,
+                            animParms.GetInitialAnimation(), true));
+  return new MP1::CJellyZap(mgr.AllocateUniqueId(), aHead.x0_name, info, aHead.x10_transform, std::move(mData), dInfo,
+                            b1, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, pInfo, actParms);
 }
 
 CEntity* ScriptLoader::LoadControllerAction(CStateManager& mgr, CInputStream& in, int propCount,
@@ -3116,8 +3148,38 @@ CEntity* ScriptLoader::LoadAtomicBeta(CStateManager& mgr, CInputStream& in, int
 }
 
 CEntity* ScriptLoader::LoadIceZoomer(CStateManager& mgr, CInputStream& in, int propCount, const CEntityInfo& info) {
-  UNIMPLEMENTED("IceZoomer");
-  return nullptr;
+  if (!EnsurePropertyCount(propCount, 16, "IceZoomer"))
+    return nullptr;
+  SScaledActorHead actHead = LoadScaledActorHead(in, mgr);
+  auto pair = CPatternedInfo::HasCorrectParameterCount(in);
+  if (!pair.first)
+    return nullptr;
+
+  CPatternedInfo pInfo(in, pair.second);
+  CActorParameters actParms = LoadActorParameters(in);
+  const CAnimationParameters& animParms = pInfo.GetAnimationParameters();
+  if (!animParms.GetACSFile().IsValid())
+    return nullptr;
+
+  float advanceWpRadius = in.readFloatBig();
+  float f2 = in.readFloatBig();
+  float alignAngleVel = in.readFloatBig();
+  float f4 = in.readFloatBig();
+  float playerObstructionMinDist = in.readFloatBig();
+  float moveFowardWeight = in.readFloatBig();
+  CAssetId modelRes(in.readUint32Big());
+  CAssetId skinRes(in.readUint32Big());
+  CDamageVulnerability dVuln(in);
+  float iceZoomerJointHP = in.readFloatBig();
+
+  CModelData mData(
+    CAnimRes(animParms.GetACSFile(), animParms.GetCharacter(), actHead.x40_scale, animParms.GetInitialAnimation(),
+             true));
+  return new MP1::CParasite(mgr.AllocateUniqueId(), actHead.x0_name, CPatterned::EFlavorType::Zero, info,
+                            actHead.x10_transform, std::move(mData), pInfo, EBodyType::WallWalker, 0.f, advanceWpRadius,
+                            f2, alignAngleVel, f4, 0.2f, 0.4f, 0.f, 0.f, 0.f, 0.f, 0.f, 1.f, moveFowardWeight, 0.f, 0.f,
+                            playerObstructionMinDist, 0.f, false, CWallWalker::EWalkerType::IceZoomer, dVuln,
+                            CDamageInfo(), 0xFFFF, 0xFFFF, 0xFFFF, modelRes, skinRes, iceZoomerJointHP, actParms);
 }
 
 CEntity* ScriptLoader::LoadPuffer(CStateManager& mgr, CInputStream& in, int propCount, const CEntityInfo& info) {