diff --git a/configure.py b/configure.py
index 1b984bfcc..2e2daa6d8 100644
--- a/configure.py
+++ b/configure.py
@@ -453,7 +453,7 @@ config.libs = [
             Object(NonMatching, "d/d_file_select.cpp"),
             Object(NonMatching, "d/d_gameover.cpp"),
             Object(NonMatching, "d/d_kankyo.cpp"),
-            Object(NonMatching, "d/d_kyeff.cpp"),
+            Object(Matching,    "d/d_kyeff.cpp"),
             Object(Matching,    "d/d_kyeff2.cpp"),
             Object(NonMatching, "d/d_ky_thunder.cpp"),
             Object(Matching,    "d/d_letter.cpp"),
@@ -1239,7 +1239,7 @@ config.libs = [
     ActorRel(NonMatching, "d_a_ki"),
     ActorRel(NonMatching, "d_a_knob00"),
     ActorRel(NonMatching, "d_a_kui"),
-    ActorRel(NonMatching, "d_a_kytag00"),
+    ActorRel(Matching,    "d_a_kytag00"),
     ActorRel(Matching,    "d_a_kytag01"),
     ActorRel(NonMatching, "d_a_kytag02"),
     ActorRel(NonMatching, "d_a_kytag03"),
diff --git a/src/d/actor/d_a_kytag00.cpp b/src/d/actor/d_a_kytag00.cpp
index ac7c83acb..a143e3e31 100644
--- a/src/d/actor/d_a_kytag00.cpp
+++ b/src/d/actor/d_a_kytag00.cpp
@@ -17,10 +17,9 @@
 
 /* 00000078-0000024C       .text get_check_pos__FP13kytag00_class */
 cXyz get_check_pos(kytag00_class* i_this) {
-    /* Nonmatching - regswap */
     cXyz ret;
 
-    camera_class * pCamera = dComIfGp_getCamera(0);
+    camera_class * pCamera = (camera_class*)dComIfGp_getCamera(0);
     fopAc_ac_c * pPlayer = dComIfGp_getPlayer(0);
 
     f32 cameraDist = i_this->current.pos.abs(pCamera->mLookat.mEye);
@@ -41,14 +40,105 @@ cXyz get_check_pos(kytag00_class* i_this) {
 
 /* 0000024C-000005E4       .text wether_tag_move__FP13kytag00_class */
 void wether_tag_move(kytag00_class* i_this) {
-    /* Nonmatching */
+    cXyz chk_pos_xz;
     cXyz chk_pos = get_check_pos(i_this);
-    cXyz chk_pos_xz(chk_pos.x, i_this->current.pos.y, chk_pos.z);
     f32 fade_y = i_this->mInnerFadeY * 100.0f;
+    chk_pos_xz.x = chk_pos.x;
+    chk_pos_xz.y = i_this->current.pos.y;
+    chk_pos_xz.z = chk_pos.z;
     f32 dist_xz = i_this->current.pos.abs(chk_pos_xz);
 
-    if (dist_xz <= i_this->mOuterRadius && (chk_pos.y > (i_this->current.pos.y - fade_y) && chk_pos.y < (i_this->current.pos.y + i_this->mScale.y * 5000.0f + fade_y)) && i_this->mTarget > 0.0f) {
+    if (dist_xz < i_this->mOuterRadius &&
+        (chk_pos.y >= (i_this->current.pos.y - fade_y) &&
+        chk_pos.y < (i_this->current.pos.y + i_this->mScale.y * 5000.0f + fade_y)) &&
+        i_this->mTarget > 0.0f)
+    {
+        f32 blend = 1.0f;
+        f32 f9 = 1.0f;
+        f32 fade_radius = i_this->mOuterRadius - i_this->mInnerRadius;
         
+        if (fade_radius != 0.0f) {
+            blend = (i_this->mOuterRadius - dist_xz) / fade_radius;
+            if (blend > 1.0f) {
+                blend = 1.0f;
+            }
+        }
+        
+        if (chk_pos.y <= i_this->current.pos.y) {
+            if (fade_y != 0.0f) {
+                f9 = (i_this->current.pos.y - chk_pos.y) / fade_y;
+                if (f9 < 0.0f) {
+                    f9 = 0.0f;
+                }
+                f9 = 1.0f - f9;
+            }
+        } else {
+            if (fade_y != 0.0f) {
+                f9 = (chk_pos.y - (i_this->current.pos.y + i_this->mScale.y * 5000.0f)) / fade_y;
+                if (f9 < 0.0f) {
+                    f9 = 0.0f;
+                }
+                f9 = 1.0f - f9;
+            }
+        }
+        
+        blend *= f9 * i_this->mTarget;
+        
+        if (g_env_light.mEnvrIdxPrev != g_env_light.mEnvrIdxCurr) {
+            return;
+        }
+        i_this->mbPselSet = true;
+        
+        switch (i_this->mPselIdx) {
+        case 0:
+            g_env_light.mColpatPrevGather = g_env_light.mColpatWeather;
+            g_env_light.mColpatCurrGather = 0;
+            g_env_light.mColPatBlendGather = blend;
+            g_env_light.mColPatModeGather = 1;
+            break;
+        case 1:
+            if (blend > 0.5f) {
+                g_env_light.mColpatPrevGather = g_env_light.mColpatWeather;
+                g_env_light.mColpatCurrGather = 1;
+                g_env_light.mColPatBlendGather = blend;
+            } else {
+                blend = 1.0f - blend;
+                g_env_light.mColpatPrevGather = 1;
+                g_env_light.mColpatCurrGather = g_env_light.mColpatWeather;
+                g_env_light.mColPatBlendGather = blend;
+            }
+            g_env_light.mColPatModeGather = 1;
+            break;
+        case 2:
+            if (blend > 0.5f) {
+                g_env_light.mColpatPrevGather = g_env_light.mColpatWeather;
+                g_env_light.mColpatCurrGather = 2;
+                g_env_light.mColPatBlendGather = blend;
+            } else {
+                blend = 1.0f - blend;
+                g_env_light.mColpatPrevGather = 2;
+                g_env_light.mColpatCurrGather = g_env_light.mColpatWeather;
+                g_env_light.mColPatBlendGather = blend;
+            }
+            g_env_light.mColPatModeGather = 1;
+            break;
+        case 3:
+            if (blend > 0.5f) {
+                g_env_light.mColpatPrevGather = g_env_light.mColpatWeather;
+                g_env_light.mColpatCurrGather = 3;
+                g_env_light.mColPatBlendGather = blend;
+            } else {
+                blend = 1.0f - blend;
+                g_env_light.mColpatPrevGather = 3;
+                g_env_light.mColpatCurrGather = g_env_light.mColpatWeather;
+                g_env_light.mColPatBlendGather = blend;
+            }
+            g_env_light.mColPatModeGather = 1;
+            break;
+        default:
+            i_this->mbPselSet = false;
+            break;
+        }
     } else {
         if (i_this->mbPselSet) {
             i_this->mbPselSet = false;
@@ -66,7 +156,7 @@ void raincnt_set(f32 count) {
 
     if (dKy_checkEventNightStop()) {
         s32 newCount2;
-        if (g_env_light.mRainCount > (newCount2 = (count * count * count) * 250.0f))
+        if (g_env_light.mRainCount < (newCount2 = (count * count * count) * 250.0f))
             newCount = newCount2;
     } else {
         newCount = (count * count * count) * 250.0f;
@@ -84,7 +174,144 @@ void raincnt_cut() {
 
 /* 000006D8-00000C0C       .text wether_tag_efect_move__FP13kytag00_class */
 void wether_tag_efect_move(kytag00_class* i_this) {
-    /* Nonmatching */
+    cXyz chk_pos_xz;
+    cXyz chk_pos = get_check_pos(i_this);
+    f32 fade_y = i_this->mInnerFadeY * 100.0f;
+    chk_pos_xz.x = chk_pos.x;
+    chk_pos_xz.y = i_this->current.pos.y;
+    chk_pos_xz.z = chk_pos.z;
+    f32 dist_xz = i_this->current.pos.abs(chk_pos_xz);
+    
+    if (dist_xz < i_this->mOuterRadius &&
+        (chk_pos.y >= (i_this->current.pos.y - fade_y) &&
+        chk_pos.y < (i_this->current.pos.y + i_this->mScale.y * 5000.0f + fade_y)) &&
+        i_this->mTarget > 0.0f)
+    {
+        f32 blend = 1.0f;
+        f32 f9 = 1.0f;
+        
+        i_this->mbEfSet = 1;
+        
+        f32 fade_radius = i_this->mOuterRadius - i_this->mInnerRadius;
+        
+        if (fade_radius != 0.0f) {
+            blend = (i_this->mOuterRadius - dist_xz) / fade_radius;
+            if (blend > 1.0f) {
+                blend = 1.0f;
+            }
+        }
+        
+        if (chk_pos.y <= i_this->current.pos.y) {
+            if (fade_y != 0.0f) {
+                f9 = (i_this->current.pos.y - chk_pos.y) / fade_y;
+                if (f9 < 0.0f) {
+                    f9 = 0.0f;
+                }
+                f9 = 1.0f - f9;
+            }
+        } else {
+            if (fade_y != 0.0f) {
+                f9 = (chk_pos.y - (i_this->current.pos.y + i_this->mScale.y * 5000.0f)) / fade_y;
+                if (f9 < 0.0f) {
+                    f9 = 0.0f;
+                }
+                f9 = 1.0f - f9;
+            }
+        }
+        
+        blend *= f9 * i_this->mTarget;
+        
+        switch (i_this->mEfMode) {
+        case 0x1:
+            raincnt_set(blend);
+            break;
+        case 0x2:
+            g_env_light.mSnowCount = 250.0f * blend;
+            g_env_light.mMoyaMode = 2;
+            g_env_light.mMoyaCount = 100.0f * blend;
+            break;
+        case 0x3:
+            g_env_light.mMoyaMode = 0;
+            g_env_light.mMoyaCount = 100.0f * blend;
+            break;
+        case 0x4:
+            g_env_light.mMoyaMode = 1;
+            g_env_light.mMoyaCount = 100.0f * blend;
+            break;
+        case 0x5:
+            g_env_light.mMoyaMode = 2;
+            g_env_light.mMoyaCount = 100.0f * blend;
+            break;
+        case 0x6:
+            if (i_this->orig.roomNo == dComIfGp_roomControl_getStayNo()) {
+                g_env_light.mHousiCount = 300.0f * blend;
+            } else {
+                g_env_light.mHousiCount = 0;
+            }
+            break;
+        case 0x7:
+            if (g_env_light.mThunderEff.mMode == 0) {
+                g_env_light.mThunderEff.mMode = 2;
+            }
+            break;
+        case 0x8:
+            if (g_env_light.mThunderEff.mMode == 0) {
+                g_env_light.mThunderEff.mMode = 2;
+            }
+            raincnt_set(blend);
+            break;
+        case 0x9:
+            g_env_light.mMoyaMode = 0;
+            g_env_light.mMoyaCount = 100.0f * blend;
+            raincnt_set(blend);
+            if (g_env_light.mThunderEff.mMode == 0) {
+                g_env_light.mThunderEff.mMode = 2;
+            }
+            break;
+        case 0xA:
+            g_env_light.mMoyaMode = 3;
+            g_env_light.mMoyaCount = 100.0f * blend;
+            break;
+        case 0xB:
+            g_env_light.mMoyaMode = 4;
+            g_env_light.mMoyaCount = 100.0f * blend;
+            break;
+        }
+    } else if (i_this->mbEfSet != 0) {
+        i_this->mbEfSet = 0;
+        
+        switch (i_this->mEfMode) {
+        case 0x1:
+            raincnt_cut();
+            break;
+        case 0x2:
+            g_env_light.mSnowCount = 0;
+            g_env_light.mMoyaCount = 0;
+            break;
+        case 0x3:
+        case 0x4:
+        case 0x5:
+        case 0xA:
+            g_env_light.mMoyaCount = 0;
+            break;
+        case 0x6:
+            g_env_light.mHousiCount = 0;
+            break;
+        case 0x7:
+        case 0x8:
+        case 0x9:
+            if (g_env_light.mThunderEff.mMode == 2) {
+                g_env_light.mThunderEff.mMode = 0;
+            }
+            if (i_this->mEfMode == 8 || i_this->mEfMode == 9) {
+                raincnt_cut();
+            }
+            if (i_this->mEfMode == 9) {
+                g_env_light.mMoyaCount = 0;
+            }
+            break;
+        }
+    }
 }
 
 /* 00000C0C-00000C30       .text daKytag00_Draw__FP13kytag00_class */
@@ -131,10 +358,10 @@ static s32 daKytag00_Create(fopAc_ac_c* i_ac) {
     fopAcM_SetupActor(i_this, kytag00_class);
 
     i_this->field_0x296 = 0;
-    i_this->mPselIdx = (fopAcM_GetParam(i_this) >> 0) & 0xFF;
-    i_this->mEfMode = (fopAcM_GetParam(i_this) >> 8) & 0xFF;
-    i_this->mThickness = (fopAcM_GetParam(i_this) >> 16) & 0xFF;
-    i_this->mInnerFadeY = (fopAcM_GetParam(i_this) >> 24) & 0xFF;
+    i_this->mPselIdx = (fopAcM_GetParam(i_ac) >> 0) & 0xFF;
+    i_this->mEfMode = (fopAcM_GetParam(i_ac) >> 8) & 0xFF;
+    i_this->mThickness = (fopAcM_GetParam(i_ac) >> 16) & 0xFF;
+    i_this->mInnerFadeY = (fopAcM_GetParam(i_ac) >> 24) & 0xFF;
     i_this->mSwitchNo = (i_this->current.angle.x >> 0) & 0xFF;
     i_this->mbInvert = (i_this->current.angle.x >> 8) & 0xFF;
     i_this->mMode = (i_this->current.angle.z >> 0) & 0xFF;
diff --git a/src/d/d_kankyo_rain.cpp b/src/d/d_kankyo_rain.cpp
index 394eafc19..8cd2e6b85 100644
--- a/src/d/d_kankyo_rain.cpp
+++ b/src/d/d_kankyo_rain.cpp
@@ -381,8 +381,7 @@ void rain_bg_chk(dKankyo_rain_Packet* pPkt, int idx) {
 
 /* 8008D0DC-8008D53C       .text overhead_bg_chk__Fv */
 bool overhead_bg_chk() {
-    /* Nonmatching - regalloc */
-    camera_class * pCamera = dComIfGp_getCamera(0);
+    camera_class * pCamera = (camera_class*)dComIfGp_getCamera(0);
     bool ret = false;
 
     dBgS_ObjGndChk_All gndChk;
diff --git a/src/d/d_ky_thunder.cpp b/src/d/d_ky_thunder.cpp
index b1f67226b..e36e6ac62 100644
--- a/src/d/d_ky_thunder.cpp
+++ b/src/d/d_ky_thunder.cpp
@@ -108,6 +108,7 @@ BOOL dThunder_IsDelete(dThunder_c* i_this) {
 
 /* 80198ABC-80198B68       .text dThunder_Delete__FP10dThunder_c */
 BOOL dThunder_Delete(dThunder_c* i_this) {
+    /* Nonmatching */
     mDoAud_seDeleteObject(&i_this->mPos);
     mDoAud_seDeleteObject(&i_this->mPosNeg);
     i_this->~dThunder_c();
@@ -127,9 +128,8 @@ s32 dThunder_Create(kankyo_class* i_ky) {
 
 /* 80198BC4-801990CC       .text create__10dThunder_cFv */
 s32 dThunder_c::create() {
-    /* Nonmatching - regalloc */
     dScnKy_env_light_c& envLight = dKy_getEnvlight();
-    camera_class *pCamera = dComIfGp_getCamera(0);
+    camera_class *pCamera = (camera_class*)dComIfGp_getCamera(0);
 
     new(this) dThunder_c();
     J3DModelData* modelData = (J3DModelData*)dComIfG_getObjectRes("Always", ALWAYS_BDL_YTHDR00);
@@ -160,10 +160,12 @@ s32 dThunder_c::create() {
 
     mRot = 4000.0f;
     mRot = size * cM_rndFX(mRot);
-    mScale.x = size * (cM_rndF(15.0f) + 5.0f);
+    f32 f1 = cM_rndF(15.0f);
+    mScale.x = size * (f1 + 5.0f);
     if (cM_rndFX(1.0f) >= 0.5)
         mScale.x *= -1.0f;
-    mScale.y = size * (cM_rndF(60.0f) + 20.0f);
+    f1 = cM_rndF(60.0f);
+    mScale.y = size * (f1 + 20.0f);
     mScale.z = 1.0f;
 
     dKyr_get_vectle_calc(&pCamera->mLookat.mEye, &pCamera->mLookat.mCenter, &fwd);
@@ -205,7 +207,7 @@ kankyo_method_class l_dThunder_Method = {
     (process_method_func)dThunder_Draw,
 };
 
-kankyo_process_profile_definition g_profile_THUNDER = {
+kankyo_process_profile_definition g_profile_KY_THUNDER = {
     fpcLy_CURRENT_e,
     7,
     fpcPi_CURRENT_e,
diff --git a/src/d/d_kyeff.cpp b/src/d/d_kyeff.cpp
index c4bab4610..6dc42c96c 100644
--- a/src/d/d_kyeff.cpp
+++ b/src/d/d_kyeff.cpp
@@ -48,8 +48,10 @@ static s16 s16_data_ratio_set(s16 param_0, s16 param_1, f32 param_2) {
 
 /* 8019808C-8019847C       .text menu_vrbox_set__Fv */
 void menu_vrbox_set() {
-    /* Nonmatching - regalloc. */
     f32 blendPalAB, curTime;
+    stage_vrbox_info_class* vrbox;
+    stage_vrbox_info_class* vrbox0;
+    stage_vrbox_info_class* vrbox1;
 
     camera_class * pCamera = dComIfGp_getCamera(0);
 
@@ -72,7 +74,7 @@ void menu_vrbox_set() {
 
     g_env_light.mpSchejule = dKyd_schejule_menu_getp();
 
-    u8 palIdx1, palIdx0;
+    u8 palIdx0, palIdx1;
     for (s32 i = 0; i < 11; i++) {
         if (curTime >= g_env_light.mpSchejule[i].mTimeEnd && curTime <= g_env_light.mpSchejule[i].mTimeBegin) {
             palIdx0 = g_env_light.mpSchejule[i].mPalIdx0;
@@ -81,11 +83,11 @@ void menu_vrbox_set() {
         }
     }
 
-    stage_vrbox_info_class* vrbox = dKyd_dmvrbox_getp();
+    vrbox = dKyd_dmvrbox_getp();
     g_env_light.mpVrboxInfo = vrbox;
 
-    stage_vrbox_info_class* vrbox0 = &vrbox[palIdx0];
-    stage_vrbox_info_class* vrbox1 = &vrbox[palIdx1];
+    vrbox0 = &vrbox[palIdx0];
+    vrbox1 = &vrbox[palIdx1];
     g_env_light.mVrSkyColor.r = s16_data_ratio_set(vrbox0->mSkyColor.r, vrbox1->mSkyColor.r, blendPalAB);
     g_env_light.mVrSkyColor.g = s16_data_ratio_set(vrbox0->mSkyColor.g, vrbox1->mSkyColor.g, blendPalAB);
     g_env_light.mVrSkyColor.b = s16_data_ratio_set(vrbox0->mSkyColor.b, vrbox1->mSkyColor.b, blendPalAB);