diff --git a/include/MetroidPrime/CFluidPlaneManager.hpp b/include/MetroidPrime/CFluidPlaneManager.hpp
index 10e77485..4e5de3f0 100644
--- a/include/MetroidPrime/CFluidPlaneManager.hpp
+++ b/include/MetroidPrime/CFluidPlaneManager.hpp
@@ -9,6 +9,12 @@
 #include "rstl/reserved_vector.hpp"
 
 class CFluidPlaneManager {
+public:
+  // TODO
+
+  void CreateSplash(TUniqueId splasher, CStateManager& mgr, const CScriptWater& water,
+                    const CVector3f& pos, float factor, bool sfx);
+
 private:
   class CSplashRecord {
     float x0_time;
diff --git a/include/MetroidPrime/CStateManager.hpp b/include/MetroidPrime/CStateManager.hpp
index 6e1e9daf..9cc1fda0 100644
--- a/include/MetroidPrime/CStateManager.hpp
+++ b/include/MetroidPrime/CStateManager.hpp
@@ -154,6 +154,8 @@ public:
   CEnvFxManager* EnvFxManager() { return x880_envFxManager; }
   const CEnvFxManager* GetEnvFxManager() const { return x880_envFxManager; }
   CRumbleManager* GetRumbleManager() { return x88c_rumbleManager; }
+  CFluidPlaneManager* FluidPlaneManager() { return x87c_fluidPlaneManager; }
+  const CFluidPlaneManager* GetFluidPlaneManager() const { return x87c_fluidPlaneManager; }
 
   CRandom16* Random() const { return x900_random; }
 
diff --git a/include/MetroidPrime/ScriptObjects/CScriptWater.hpp b/include/MetroidPrime/ScriptObjects/CScriptWater.hpp
index e114fcd4..fe04b308 100644
--- a/include/MetroidPrime/ScriptObjects/CScriptWater.hpp
+++ b/include/MetroidPrime/ScriptObjects/CScriptWater.hpp
@@ -3,17 +3,84 @@
 
 #include "types.h"
 
+#include "MetroidPrime/ScriptObjects/CScriptTrigger.hpp"
+
+#include "Kyoto/Math/CFrustumPlanes.hpp"
+#include "Kyoto/TToken.hpp"
+
+#include "rstl/list.hpp"
+#include "rstl/optional_object.hpp"
+#include "rstl/pair.hpp"
 #include "rstl/single_ptr.hpp"
 
 class CFluidPlaneCPU;
+class CGenDescription;
 
-class CScriptWater {
+class CScriptWater : public CScriptTrigger {
 public:
+  // TODO
+
+  bool CanRippleAtPoint(const CVector3f&) const;
+
   CFluidPlaneCPU& FluidPlane() { return *x1b4_fluidPlane; }
+  float GetSurfaceZ() const { return GetTriggerBoundsWR().GetMaxPoint().GetZ(); }
 
 private:
-  uchar x0_pad[0x1b4];
+  CFrustumPlanes x150_frustum;
   rstl::single_ptr< CFluidPlaneCPU > x1b4_fluidPlane;
+  CVector3f x1b8_positionMorphed;
+  CVector3f x1c4_extentMorphed;
+  float x1d0_morphInTime;
+  CVector3f x1d4_positionOrig;
+  CVector3f x1e0_extentOrig;
+  float x1ec_damageOrig;
+  float x1f0_damageMorphed;
+  float x1f4_morphOutTime;
+  float x1f8_morphFactor;
+  rstl::list< rstl::pair< TUniqueId, bool > > x1fc_waterInhabitants;
+  float x214_fogBias;
+  float x218_fogMagnitude;
+  float x21c_origFogBias;
+  float x220_origFogMagnitude;
+  float x224_fogSpeed;
+  CColor x228_fogColor;
+  CAssetId x22c_splashParticle1Id;
+  CAssetId x230_splashParticle2Id;
+  CAssetId x234_splashParticle3Id;
+  CAssetId x238_visorRunoffParticleId;
+  rstl::optional_object< TLockedToken< CGenDescription > > x23c_visorRunoffEffect;
+  CAssetId x24c_unmorphVisorRunoffParticleId;
+  rstl::optional_object< TLockedToken< CGenDescription > > x250_unmorphVisorRunoffEffect;
+  ushort x260_visorRunoffSfx;
+  ushort x262_unmorphVisorRunoffSfx;
+  rstl::reserved_vector< rstl::optional_object< TLockedToken< CGenDescription > >, 3 >
+      x264_splashEffects;
+  rstl::reserved_vector< ushort, 3 > x298_splashSounds;
+  CColor x2a4_splashColor;
+  CColor x2a8_insideFogColor;
+  float x2ac_alphaInTime;
+  float x2b0_alphaOutTime;
+  float x2b4_alphaInRecip;
+  float x2b8_alphaOutRecip;
+  float x2bc_alpha;
+  float x2c0_tileSize;
+  int x2c4_gridDimX;
+  int x2c8_gridDimY;
+  int x2cc_gridCellCount;
+  int x2d0_patchDimX;
+  int x2d4_patchDimY;
+  rstl::single_ptr< bool[] > x2d8_tileIntersects;
+  rstl::single_ptr< bool[] > x2dc_vertIntersects;
+  // 0: all clear, 1: all intersect, 2: partial intersect
+  rstl::single_ptr< uchar[] > x2e0_patchIntersects;
+  int x2e4_computedGridCellCount;
+  bool x2e8_24_b4 : 1;
+  bool x2e8_25_morphIn : 1;
+  bool x2e8_26_morphing : 1;
+  bool x2e8_27_allowRender : 1;
+  bool x2e8_28_recomputeClipping : 1;
+  bool x2e8_29_alphaIn : 1;
+  bool x2e8_30_alphaOut : 1;
 };
 
 #endif // _CSCRIPTWATER
diff --git a/include/MetroidPrime/Weapons/WeaponTypes.hpp b/include/MetroidPrime/Weapons/WeaponTypes.hpp
index 67ddc76d..e650e8a2 100644
--- a/include/MetroidPrime/Weapons/WeaponTypes.hpp
+++ b/include/MetroidPrime/Weapons/WeaponTypes.hpp
@@ -28,8 +28,8 @@ class CWeaponMode {
   bool x4_26_instantKill : 1;
 
 public:
-  explicit CWeaponMode(EWeaponType type = kWT_None, bool charged = false, bool comboed = false,
-                       bool instaKill = false)
+  CWeaponMode(EWeaponType type = kWT_None, bool charged = false, bool comboed = false,
+              bool instaKill = false)
   : x0_weaponType(type)
   , x4_24_charged(charged)
   , x4_25_comboed(comboed)
diff --git a/src/MetroidPrime/Weapons/CWeapon.cpp b/src/MetroidPrime/Weapons/CWeapon.cpp
index 2cae8f65..6aa96f3f 100644
--- a/src/MetroidPrime/Weapons/CWeapon.cpp
+++ b/src/MetroidPrime/Weapons/CWeapon.cpp
@@ -1,6 +1,8 @@
 #include "MetroidPrime/Weapons/CWeapon.hpp"
 
 #include "MetroidPrime/CActorParameters.hpp"
+#include "MetroidPrime/CFluidPlaneCPU.hpp"
+#include "MetroidPrime/CFluidPlaneManager.hpp"
 #include "MetroidPrime/ScriptObjects/CScriptWater.hpp"
 
 #include <rstl/math.hpp>
@@ -33,10 +35,13 @@ void CWeapon::SetDamageFalloffSpeed(float speed) {
 void CWeapon::Think(float dt, CStateManager& mgr) {
   x148_curTime += dt;
   if ((xe8_projectileAttribs & kPA_DamageFalloff) == kPA_DamageFalloff) {
-    float damMul = CMath::Max(0.f, 1.f - x148_curTime * x14c_damageFalloffSpeed);
-    x12c_curDamageInfo = CDamageInfo(
-        x110_origDamageInfo.GetWeaponMode(), damMul * x110_origDamageInfo.GetDamage(),
-        damMul * x110_origDamageInfo.GetRadius(), damMul * x110_origDamageInfo.GetKnockBackPower());
+    float max = 1.f - x148_curTime * x14c_damageFalloffSpeed;
+    float scale = CMath::Max(0.f, max);
+    float damage = scale * x110_origDamageInfo.GetDamage();
+    float radius = scale * x110_origDamageInfo.GetRadius();
+    float knockback = scale * x110_origDamageInfo.GetKnockBackPower();
+    x12c_curDamageInfo =
+        CDamageInfo(x110_origDamageInfo.GetWeaponMode(), damage, radius, knockback);
   } else {
     x12c_curDamageInfo = x110_origDamageInfo;
   }
@@ -57,6 +62,7 @@ void CWeapon::FluidFXThink(EFluidState state, CScriptWater& water, CStateManager
     mag = 0.1f;
     break;
   case kWT_Plasma:
+    mag = 0.f;
     break;
   case kWT_Missile:
     mag = 0.5f;
@@ -80,26 +86,23 @@ void CWeapon::FluidFXThink(EFluidState state, CScriptWater& water, CStateManager
   if (mag > 1.f) {
     mag = 1.f;
   }
-#if 0
+
   if (doRipple) {
-    CVector3f pos = GetTranslation();
-    pos.SetZ(water.GetSurfaceZ()); // <- GetTriggerBoundsWR().GetMax().GetZ()
-    if (True(xe8_projectileAttribs & EProjectileAttrib::ComboShot)) {
+    CVector3f pos(GetTranslation().GetX(), GetTranslation().GetY(), water.GetSurfaceZ());
+    if ((xe8_projectileAttribs & kPA_ComboShot) != 0) {
       if (!water.CanRippleAtPoint(pos)) {
         doRipple = false;
       }
-    } else if (state == EFluidState::InFluid) {
+    } else if (state == kFS_InFluid) {
       doRipple = false;
     }
 
     if (doRipple) {
-      water.FluidPlane().AddRipple(mag, x8_uid, pos, water, mgr);
-      mgr.FluidPlaneManager()->CreateSplash(x8_uid, mgr, water, pos, mag,
-                                            state == EFluidState::EnteredFluid ||
-                                                state == EFluidState::LeftFluid);
+      bool sfx = state == kFS_EnteredFluid || state == kFS_LeftFluid;
+      water.FluidPlane().AddRipple(mag, GetUniqueId(), pos, water, mgr);
+      mgr.FluidPlaneManager()->CreateSplash(GetUniqueId(), mgr, water, pos, mag, sfx);
     }
   }
-#endif
 }
 
 void CWeapon::Render(const CStateManager& mgr) const {}