Almost match CGSFreeLook::SetAnim

include/Kyoto/Animation/CPASAnimState.hpp

@@ -53,6 +53,8 @@ public:
     f32 m_float;
     bool m_bool;
   };
+  CPASAnimParm(const CPASAnimParm& other)
+  : x0_value(other.x0_value), x4_type(other.x4_type) {}
 
   static CPASAnimParm FromEnum(s32 val);
   static CPASAnimParm FromBool(bool val);
@@ -61,6 +63,8 @@ public:
   static CPASAnimParm FromInt32(s32 val);
   static CPASAnimParm NoParameter();
 
+  int GetInt32Value() const;
+
 private:
   UParmValue x0_value;
   EParmType x4_type;
@@ -90,6 +94,8 @@ private:
 };
 
 class CPASAnimState {
+public:
+  CPASAnimParm GetAnimParmData(int, unsigned int) const;
 private:
   pas::EAnimationState x0_id;
   rstl::vector< CPASParmInfo > x4_parms;

include/Kyoto/Animation/CPASDatabase.hpp

@@ -17,6 +17,7 @@ private:
   int x10_defaultState;
 
 public:
+  const CPASAnimState* GetAnimState(int) const;
   rstl::pair<float, int> FindBestAnimation(const CPASAnimParmData&, CRandom16&, int) const;
 };
 CHECK_SIZEOF(CPASDatabase, 0x14)

include/MetroidPrime/Weapons/GunController/CGSFreeLook.hpp

@@ -12,7 +12,7 @@ class CGSFreeLook {
   int x8_loopState; // In, loop, out
   int xc_gunId;
   int x10_setId;
-  bool x14_idle;
+  bool x14_idle : 1;
 
 public:
   CGSFreeLook();

src/MetroidPrime/Weapons/GunController/CGSFreeLook.cpp

@@ -1,4 +1,63 @@
 #include "MetroidPrime/Weapons/GunController/CGSFreeLook.hpp"
 
+#include "MetroidPrime/CAnimData.hpp"
+#include "MetroidPrime/CAnimPlaybackParms.hpp"
+#include "MetroidPrime/CStateManager.hpp"
+
+#include "Kyoto/Animation/CPASAnimParmData.hpp"
+
 CGSFreeLook::CGSFreeLook()
 : x0_delay(0.f), x4_cueAnimId(-1), x8_loopState(-1), xc_gunId(0), x10_setId(-1), x14_idle(false) {}
+
+bool CGSFreeLook::Update(CAnimData& data, float dt, CStateManager& mgr) {
+  if (x4_cueAnimId != -1) {
+    x0_delay -= dt;
+    if (x0_delay <= 0.f) {
+      data.EnableLooping(x8_loopState == 1);
+      CAnimPlaybackParms aparms(x4_cueAnimId, -1, 1.f, true);
+      data.SetAnimation(aparms, false);
+      x0_delay = 0.f;
+      x4_cueAnimId = -1;
+    }
+  } else if (!data.IsAnimTimeRemaining(0.001f, "Whole Body")) {
+    switch (x8_loopState) {
+    case 0:
+      SetAnim(data, xc_gunId, x10_setId, 1, mgr, 0.f);
+      break;
+    case 2:
+      x8_loopState = -1;
+      return true;
+    default:
+      break;
+    }
+  }
+  return false;
+}
+
+int CGSFreeLook::SetAnim(CAnimData& data, int gunId, int setId, int loopState, CStateManager& mgr,
+                         float delay) {
+  int useLoopState = 1;
+  if (!x14_idle)
+    useLoopState = loopState;
+  x14_idle = false;
+  
+  const CPASDatabase& pas = data.GetCharacterInfo().GetPASDatabase();
+  rstl::pair< float, int > anim = pas.FindBestAnimation(
+      CPASAnimParmData(pas::kAS_Step, CPASAnimParm::FromInt32(gunId),
+                       CPASAnimParm::FromInt32(setId), CPASAnimParm::FromEnum(useLoopState)),
+      *mgr.GetActiveRandom(), -1);
+
+  CPASAnimParm animParm = pas.GetAnimState(pas::kAS_Step)->GetAnimParmData(anim.second, 1);
+  xc_gunId = gunId;
+  x10_setId = animParm.GetInt32Value();
+  x8_loopState = useLoopState;
+  if (delay != 0.f) {
+    x0_delay = delay;
+    x4_cueAnimId = anim.second;
+  } else {
+    data.EnableLooping(loopState == 1);
+    CAnimPlaybackParms aparms(anim.second, -1, 1.f, true);
+    data.SetAnimation(aparms, false);
+  }
+  return anim.second;
+}