diff --git a/include/d/d_tree.h b/include/d/d_tree.h
index a09c41e55..eae4824dd 100644
--- a/include/d/d_tree.h
+++ b/include/d/d_tree.h
@@ -25,19 +25,19 @@ public:
     void WorkCo(fopAc_ac_c*, u32, int);
     void WorkAt_NoCutAnim(fopAc_ac_c*, u32, int, dCcMassS_HitInf*, cCcD_Obj*);
     void WorkAt(fopAc_ac_c*, u32, int, dCcMassS_HitInf*);
-    void hitCheck(fopAc_ac_c*, int);
+    BOOL hitCheck(fopAc_ac_c*, int);
     void animation(int);
 
-    /* 0x000 */ u8 field_0x000;
+    /* 0x000 */ u8 mState;
     /* 0x001 */ u8 field_0x001;
-    /* 0x002 */ u8 mAnimIdx;
-    /* 0x003 */ s8 field_0x003;
+    /* 0x002 */ s8 mAnimIdx;
+    /* 0x003 */ u8 field_0x003;
     /* 0x004 */ cXyz mPos;
     /* 0x010 */ Mtx field_0x010;
     /* 0x040 */ Mtx field_0x040;
     /* 0x070 */ Mtx field_0x070;
     /* 0x0A0 */ Mtx mShadowMtx;
-    /* 0x0D0 */ u8 field_0x0D0[0x100 - 0x0D0];
+    /* 0x0D0 */ Mtx field_0x0d0;
     /* 0x100 */ dTree_data_c* mpNext;
 
     static dPa_smokeEcallBack mSmokeEcallback;
@@ -48,10 +48,10 @@ public:
     ~dTree_anm_c();
     dTree_anm_c();
 
-    /* 0x00 */ u8 field_0x00[0x02 - 0x00];
+    /* 0x00 */ u8 mState;
     /* 0x02 */ s16 field_0x02;
     /* 0x04 */ s16 field_0x04;
-    /* 0x06 */ u8 field_0x06[0x08 - 0x06];
+    /* 0x06 */ s16 field_0x06;
     /* 0x08 */ s16 field_0x08;
     /* 0x0A */ s16 field_0x0a;
     /* 0x0C */ f32 mAnimTimer;
@@ -61,7 +61,7 @@ public:
     /* 0x1C */ f32 field_0x1c;
     /* 0x20 */ f32 field_0x20;
     /* 0x24 */ Mtx field_0x24;
-    /* 0x54 */ u8 field_0x54[0x84 - 0x54];
+    /* 0x54 */ Mtx field_0x54;
 };
 
 class dTree_room_c {
@@ -71,7 +71,9 @@ public:
     void newData(dTree_data_c*);
     void deleteData();
 
-    /* 0x0 */ dTree_data_c* mpHead;
+    dTree_data_c* getData() { return mpData; }
+
+    /* 0x0 */ dTree_data_c* mpData;
 };
 
 class dTree_packet_c : public J3DPacket {
@@ -81,22 +83,36 @@ public:
     void calc();
     void update();
     void setData(dTree_data_c*, int, cXyz&, u8, int);
-    void newData(cXyz&, u8, int);
-    void newAnm(s16);
+    dTree_data_c* newData(cXyz&, u8, int);
+    s32 newAnm(s16);
     void setAnm(int, s16);
     void deleteRoom(s32 roomNo) { mRoom[roomNo].deleteData(); }
+    void deleteAnm(int idx) { mAnm[idx].mState = 0; }
+
+    dTree_anm_c* getAnm() { return mAnm; }
+    dTree_anm_c& getAnm(int idx) { return mAnm[idx]; }
+    dTree_data_c* getData() { return mData; }
+
+    void setPlayerCutFlg(int i_flg) { mPlayerCutFlg = i_flg; }
+    void setPlayerSwordTop(cXyz& i_pos) { mPlayerSwordTop = i_pos; }
+    void setPlayerSwordMoveAngY(s16 i_ang) { mPlayerSwordMoveAngY = i_ang; }
+    cXyz& getPlayerSwordTop() { return mPlayerSwordTop; }
+    void setPlayerSwordAngY(s16 i_ang) { mPlayerSwordAngY = i_ang;}
+    s16 getPlayerSwordMoveAngY() { return mPlayerSwordMoveAngY; }
+
+    int getNum() {}
 
     virtual void draw();
     virtual ~dTree_packet_c();
 
-    /* 0x0010 */ s16 field_0x0010;
+    /* 0x0010 */ u16 mNextIdx;
     /* 0x0014 */ dTree_data_c mData[64];
     /* 0x4114 */ dTree_anm_c mAnm[72];
     /* 0x6634 */ dTree_room_c mRoom[64];
-    /* 0x6734 */ u8 field_0x6734;
-    /* 0x6736 */ s16 field_0x6736;
-    /* 0x6738 */ s16 field_0x6738;
-    /* 0x673C */ cXyz field_0x673c;
+    /* 0x6734 */ u8 mPlayerCutFlg;
+    /* 0x6736 */ s16 mPlayerSwordAngY;
+    /* 0x6738 */ s16 mPlayerSwordMoveAngY;
+    /* 0x673C */ cXyz mPlayerSwordTop;
 };
 
 #endif /* D_TREE_H */
diff --git a/src/d/d_tree.cpp b/src/d/d_tree.cpp
index 3ababa53c..b0512b531 100644
--- a/src/d/d_tree.cpp
+++ b/src/d/d_tree.cpp
@@ -1,12 +1,10 @@
-//
-// Generated by dtk
-// Translation Unit: d_tree.cpp
-//
-
 #include "d/dolzel.h" // IWYU pragma: keep
 #include "d/d_tree.h"
-#include "dolphin/types.h"
-
+#include "d/actor/d_a_player.h"
+#include "dolphin/gf/GF.h"
+#include "SSystem/SComponent/c_counter.h"
+#include "m_Do/m_Do_lib.h"
+#include "f_op/f_op_overlap_mng.h"
 
 #include "assets/l_Txa_swood_aTEX.h"
 const u16 l_Txa_swood_aTEX__width = 64;
@@ -163,61 +161,299 @@ g_dTree_shadowMatDL(l_Txa_kage_32TEX);
 const u32 g_dTree_Oba_kage_32DL_SIZE = sizeof(g_dTree_Oba_kage_32DL);
 const u32 g_dTree_shadowMatDL_SIZE = sizeof(g_dTree_shadowMatDL);
 
-dPa_smokeEcallBack dTree_data_c::mSmokeEcallback(1, 1, 0, 1);
+static bool l_CutSoundFlag;
 
 /* 800787BC-80078960       .text WorkCo__12dTree_data_cFP10fopAc_ac_cUli */
-void dTree_data_c::WorkCo(fopAc_ac_c*, u32, int) {
-    /* Nonmatching */
+// NONMATCHING - small float regalloc
+void dTree_data_c::WorkCo(fopAc_ac_c* i_actor, u32, int) {
+    if (field_0x001) {
+        return;
+    }
+
+    if (mAnimIdx < 8) {
+        dTree_anm_c& anm = dComIfGp_getTree()->getAnm(mAnimIdx);
+        s32 newAnm = dComIfGp_getTree()->newAnm(anm.field_0x02);
+        if (newAnm < 0) {
+            return;
+        }
+        mAnimIdx = newAnm;
+    }
+
+    cXyz vel;
+    vel.x = mPos.x - i_actor->current.pos.x;
+    vel.y = mPos.y - i_actor->current.pos.y;
+    vel.z = mPos.z - i_actor->current.pos.z;
+    vel.abs2XZ();
+
+    dTree_anm_c& anm = dComIfGp_getTree()->getAnm(mAnimIdx);
+    
+    s16 angle = cM_atan2s(vel.x, vel.z);
+    f32 cos = cM_scos(i_actor->current.angle.y - angle);
+    if (cos > 0.9f && fopAcM_GetName(i_actor) == fpcNm_PLAYER_e) {
+        ((daPy_py_c*)i_actor)->onFrollCrashFlg(7);
+    }
+    
+    f32 var_f1 = cLib_maxLimit(std::abs(i_actor->speedF * 50.0f), 4000.0f);
+    if (std::fabsf(anm.mAnimTimer) < std::fabsf(var_f1 * cos)) {
+        anm.mAnimTimer = var_f1 * cos;
+        anm.field_0x0a = angle;
+    }
 }
 
 /* 80078960-80078CC0       .text WorkAt_NoCutAnim__12dTree_data_cFP10fopAc_ac_cUliP15dCcMassS_HitInfP8cCcD_Obj */
-void dTree_data_c::WorkAt_NoCutAnim(fopAc_ac_c*, u32, int, dCcMassS_HitInf*, cCcD_Obj*) {
-    /* Nonmatching */
+void dTree_data_c::WorkAt_NoCutAnim(fopAc_ac_c* i_actor, u32, int i_roomNo, dCcMassS_HitInf* i_hitInf, cCcD_Obj* i_hitObj) {
+    if (field_0x001) {
+        return;
+    }
+
+    if (mAnimIdx < 8) {
+        dTree_anm_c& anm = dComIfGp_getTree()->getAnm(mAnimIdx);
+        s32 newAnm = dComIfGp_getTree()->newAnm(anm.field_0x02);
+        if (newAnm < 0) {
+            return;
+        }
+        mAnimIdx = newAnm;
+    }
+
+    dCcD_GObjInf* hitObjInf = dCcD_GetGObjInf(i_hitObj);
+    cXyz vel = *hitObjInf->GetAtVecP();
+    f32 mag = vel.absXZ();
+
+    if (cM3d_IsZero(mag)) {
+        if (fopAcM_GetName(i_actor) == fpcNm_PLAYER_e) {
+            vel.x = mPos.x - i_actor->current.pos.x;
+            vel.y = mPos.y - i_actor->current.pos.y;
+            vel.z = mPos.z - i_actor->current.pos.z;
+            mag = vel.absXZ();
+        } else if (fopAcM_GetName(i_actor) == fpcNm_BOMB_e || fopAcM_GetName(i_actor) == fpcNm_Bomb2_e) {
+            vel.x = mPos.x - i_actor->current.pos.x;
+            vel.y = mPos.y - i_actor->current.pos.y;
+            vel.z = mPos.z - i_actor->current.pos.z;
+            mag = 200.0f - vel.absXZ();
+            if (mag < 0.0f) {
+                mag = 0.0f;
+            }
+
+            VECNormalize(&vel, &vel);
+            VECScale(&vel, &vel, mag);
+        }
+    }
+
+    dTree_anm_c& anm = dComIfGp_getTree()->getAnm(mAnimIdx);
+
+    s16 var_r30 = cM_atan2s(vel.x, vel.z);
+    f32 var_f0 = mag * 50.0f;
+    f32 anm_timer = var_f0 > 4000.0f ? 4000.0f : var_f0;
+    if (std::fabsf(anm.mAnimTimer) < std::fabsf(anm_timer)) {
+        anm.mAnimTimer = anm_timer;
+        anm.field_0x0a = var_r30;
+    }
 }
 
 /* 80078CC0-80078ED4       .text WorkAt__12dTree_data_cFP10fopAc_ac_cUliP15dCcMassS_HitInf */
-void dTree_data_c::WorkAt(fopAc_ac_c*, u32, int, dCcMassS_HitInf*) {
-    /* Nonmatching */
+void dTree_data_c::WorkAt(fopAc_ac_c* i_actor, u32 param_1, int i_roomNo, dCcMassS_HitInf* i_hitInf) {
+    cCcD_Obj* hitObj = i_hitInf->GetAtHitObj();
+    if (hitObj != NULL && (hitObj->ChkAtType(AT_TYPE_WIND) ||
+        hitObj->ChkAtType(AT_TYPE_BOMB) ||
+        hitObj->ChkAtType(AT_TYPE_FIRE) ||
+        hitObj->ChkAtType(AT_TYPE_NORMAL_ARROW) ||
+        hitObj->ChkAtType(AT_TYPE_FIRE_ARROW) ||
+        hitObj->ChkAtType(AT_TYPE_ICE_ARROW) ||
+        hitObj->ChkAtType(AT_TYPE_LIGHT_ARROW) ||
+        hitObj->ChkAtType(AT_TYPE_HOOKSHOT)))
+    {
+        WorkAt_NoCutAnim(i_actor, param_1, i_roomNo, i_hitInf, hitObj);
+    } else {
+        cXyz vel;
+        vel.x = mPos.x - i_actor->current.pos.x;
+        vel.y = mPos.y - i_actor->current.pos.y;
+        vel.z = mPos.z - i_actor->current.pos.z;
+        vel.abs2XZ();
+
+        s16 var_r30 = cM_atan2s(vel.x, vel.z);
+
+        if (field_0x001) {
+            return;
+        }
+
+        if (mAnimIdx < 8) {
+            dTree_anm_c& anm = dComIfGp_getTree()->getAnm(mAnimIdx);
+            s32 newAnm = dComIfGp_getTree()->newAnm(anm.field_0x02);
+            if (newAnm < 0) {
+                return;
+            }
+            mAnimIdx = newAnm;
+        }
+
+        field_0x001 = 1;
+        dTree_packet_c* tree = dComIfGp_getTree();
+        dTree_anm_c& anm = tree->getAnm(mAnimIdx);
+        anm.field_0x0a = tree->mPlayerSwordMoveAngY;
+        anm.mAnimTimer = 0.0f;
+        anm.field_0x10 = -2.0f;
+        anm.field_0x14 = 12.0f;
+
+        Mtx m;
+        MTXScale(m, 0.4f, 1.0f, 0.4f);
+        MTXConcat(mShadowMtx, m, mShadowMtx);
+
+        if (!l_CutSoundFlag) {
+            l_CutSoundFlag = true;
+            mDoAud_seStart(JA_SE_OBJ_CUT_TREE_DOWN, &mPos, 0, dComIfGp_getReverb(i_roomNo));
+        }
+
+        dComIfGp_getVibration().StartShock(4, -0x21, cXyz(0.0f, 1.0f, 0.0f));
+    }
 }
 
 /* 80078ED4-80078FA8       .text hitCheck__12dTree_data_cFP10fopAc_ac_ci */
-void dTree_data_c::hitCheck(fopAc_ac_c*, int) {
-    /* Nonmatching */
+BOOL dTree_data_c::hitCheck(fopAc_ac_c*, int i_roomNo) {
+    fopAc_ac_c* actor = NULL;
+    dCcMassS_HitInf hitInf;
+    u32 ret = dComIfG_Ccsp()->ChkMass(&mPos, &actor, &hitInf);
+
+    if (ret == 0 || actor == NULL) {
+        return 0;
+    }
+
+    if (ret & 2)
+        WorkCo(actor, ret, i_roomNo);
+    if (ret & 1)
+        WorkAt(actor, ret, i_roomNo, &hitInf);
+
+    return 0;
 }
 
 /* 80078FA8-8007945C       .text animation__12dTree_data_cFi */
-void dTree_data_c::animation(int) {
-    /* Nonmatching */
+// NONMATCHING - small float math issues
+void dTree_data_c::animation(int i_roomNo) {
+    dTree_anm_c& anm = dComIfGp_getTree()->getAnm(mAnimIdx);
+    
+    if (!field_0x001) {
+        anm.mAnimTimer += anm.field_0x08 * -1.0f;
+        anm.mAnimTimer *= 0.9f;
+        anm.field_0x08 += (s16)anm.mAnimTimer;
+
+        if (anm.field_0x08 * anm.mAnimTimer >= 0.0f) {
+            f32 var_f0 = std::fabsf(anm.mAnimTimer);
+            if (var_f0 < 40.0f) {
+                anm.field_0x08 = 0;
+                anm.mAnimTimer = 0.0f;
+
+                int idx = (anm.field_0x02 >> 13) & 7;
+                dTree_anm_c& anm2 = dComIfGp_getTree()->getAnm(idx);
+                if (cLib_chaseAngleS(&anm.field_0x04, anm2.field_0x04, 800)
+                    && cLib_chaseAngleS(&anm.field_0x06, anm2.field_0x06, 800))
+                {
+                    dComIfGp_getTree()->deleteAnm(mAnimIdx);
+                    mAnimIdx = idx;
+                }
+            } else if (var_f0 > 400.0f) {
+                cXyz pos(mPos.x, mPos.y + 203.0f, mPos.z);
+                dComIfGp_particle_setSimple(dPa_name::ID_IT_JN_O_HAPPA01, &pos);
+                mDoAud_seStart(JA_SE_OBJ_TREE_SWING, &mPos, 0, dComIfGp_getReverb(i_roomNo));
+            }
+        }
+
+        anm.field_0x04 = anm.field_0x08;
+    } else {
+        f32 var_f0 = anm.field_0x10 * cM_ssin(anm.field_0x0a);
+        f32 var_f0_2 = anm.field_0x10 * cM_scos(anm.field_0x0a);
+
+        anm.field_0x14 += -2.0f;
+        if (anm.field_0x14 < -40.0f) {
+            anm.field_0x14 = -40.0f;
+        }
+
+        anm.field_0x18 += var_f0;
+        anm.field_0x20 += var_f0_2;
+        anm.field_0x1c += anm.field_0x14;
+
+        if (anm.field_0x1c < -5.0f) {
+            anm.field_0x1c = -5.0f;
+            anm.field_0x10 = 0.0f;
+        }
+
+        cLib_chaseF(&anm.mAnimTimer, 1500.0f, 40.0f);
+
+        if (anm.field_0x04 != 13600) {
+            if (cLib_chaseAngleS(&anm.field_0x04, 13600, anm.mAnimTimer)) {
+                static cXyz l_particleOffset(0.0f, 150.0f, 0.0f);
+                static cXyz l_scale(1.6f, 1.6f, 1.6f);
+
+                cXyz sp18;
+                MTXMultVec(anm.field_0x24, &l_particleOffset, &sp18);
+
+                JPABaseEmitter* emitter = dComIfGp_particle_setToon(0x2022, &sp18, NULL, &l_scale, 0xAA, &mSmokeEcallback, i_roomNo, NULL, NULL, NULL);
+                if (emitter != NULL) {
+                    emitter->setRate(20.0f);
+                    emitter->setSpread(1.0f);
+                    emitter->setDirectionalSpeed(15.0f);
+                    emitter->setLifeTime(60);
+                    emitter->setMaxFrame(1);
+                }
+
+                sp18.y -= 50.0f;
+                dComIfGp_particle_set(0x3df, &sp18);
+            }
+        } else if (anm.field_0x10 == 0.0f) {
+            mState |= 8;
+            MTXCopy(anm.field_0x24, field_0x070);
+            field_0x070[0][3] = mPos.x + anm.field_0x18;
+            field_0x070[1][3] = mPos.y + anm.field_0x1c;
+            field_0x070[2][3] = mPos.z + anm.field_0x20;
+
+            dComIfGp_getTree()->deleteAnm(mAnimIdx);
+            mAnimIdx = (anm.field_0x02 >> 13) & 7;
+        }
+    }
 }
 
 /* 8007945C-8007946C       .text newData__12dTree_room_cFP12dTree_data_c */
-void dTree_room_c::newData(dTree_data_c*) {
-    /* Nonmatching */
+void dTree_room_c::newData(dTree_data_c* i_data) {
+    i_data->mpNext = mpData;
+    mpData = i_data;
 }
 
 /* 8007946C-800794D0       .text deleteData__12dTree_room_cFv */
 void dTree_room_c::deleteData() {
-    /* Nonmatching */
+    while (mpData != NULL) {
+        mpData->mState = 0;
+        mDoAud_seDeleteObject(&mpData->mPos);
+        mpData = mpData->mpNext;
+    }
 }
 
 /* 800794D0-800795E8       .text __ct__14dTree_packet_cFv */
 dTree_packet_c::dTree_packet_c() {
-    /* Nonmatching */
+    dTree_data_c* data = getData();
+    for (s32 i = 0; i < ARRAY_SIZE(mData); i++, data++)
+        data->mState = 0;
+
+    dTree_anm_c* anm = getAnm();
+    for (s32 i = 0; i < ARRAY_SIZE(mAnm); i++, anm++)
+        anm->mState = 0;
+
+    s16 angle = 0;
+    for (s32 i = 0; i < 8; i++, angle += 0x2000)
+        setAnm(i, angle);
 }
 
+dPa_smokeEcallBack dTree_data_c::mSmokeEcallback(1, 1, 0, 1);
+
 /* 800795E8-800795F4       .text __ct__12dTree_room_cFv */
 dTree_room_c::dTree_room_c() {
-    /* Nonmatching */
+    mpData = NULL;
 }
 
 /* 800795F4-80079600       .text __ct__11dTree_anm_cFv */
 dTree_anm_c::dTree_anm_c() {
-    /* Nonmatching */
+    mState = 0;
 }
 
 /* 80079600-8007960C       .text __ct__12dTree_data_cFv */
 dTree_data_c::dTree_data_c() {
-    /* Nonmatching */
+    mState = 0;
 }
 
 /* 8007960C-80079898       .text draw__14dTree_packet_cFv */
@@ -255,39 +491,302 @@ void dTree_packet_c::draw() {
         {&l_Oba_swood_a_cuttDL, 0xA0},
         {&l_Oba_swood_a_cutuDL, 0x60},
     };
+
+    static GXColor l_shadowColor = {0x00, 0x00, 0x00, 0x64};
+
+    static u8 l_modelStatus[2][3] = {0, 1, 2, 3, 1, 4};
+
+    j3dSys.reinitGX();
+    GXSetNumIndStages(0);
+    GFSetVtxDescv(l_shadowVtxDescList);
+    GFSetVtxAttrFmtv(GX_VTXFMT0, l_shadowVtxAttrFmtList);
+    GFSetArray(GX_VA_POS, g_dTree_shadowPos, 3);
+    GFSetArray(GX_VA_TEX0, g_dTree_shadowTexCoord, 2);
+    GXCallDisplayList(g_dTree_shadowMatDL, 0x80);
+    GFSetTevColor(GX_TEVREG0, l_shadowColor);
+
+    dTree_room_c* room = &mRoom[0];
+    for (s32 i = 0; i < (s32)ARRAY_SIZE(mRoom); room++, i++) {
+        dKy_tevstr_c* tevstr = dComIfGp_roomControl_getTevStr(i);
+        dKy_GfFog_tevstr_set(tevstr);
+        for (dTree_data_c* data = room->mpData; data != NULL; data = data->mpNext) {
+            if (!cLib_checkBit<u8>(data->mState, 0x04)) {
+                GFLoadPosMtxImm(data->field_0x0d0, GX_PNMTX0);
+                GXCallDisplayList(g_dTree_Oba_kage_32DL, 0x20);
+            }
+        }
+    }
+
+    GFSetVtxDescv(l_vtxDescList);
+    GFSetVtxAttrFmtv(GX_VTXFMT0, l_vtxAttrFmtList);
+    GFSetArray(GX_VA_POS, l_pos, sizeof(cXyz));
+    GFSetArray(GX_VA_CLR0, l_color, sizeof(GXColor));
+    GFSetArray(GX_VA_TEX0, l_texCoord, sizeof(cXy));
+    GXCallDisplayList(l_matDL, 0xA0);
+
+    room = &mRoom[0];
+    for (s32 i = 0; i < (s32)ARRAY_SIZE(mRoom); room++, i++) {
+        dKy_tevstr_c* tevstr = dComIfGp_roomControl_getTevStr(i);
+        GFSetTevColorS10(GX_TEVREG0, tevstr->mColorC0);
+        GFSetTevColor(GX_TEVREG1, tevstr->mColorK0);
+        dKy_GfFog_tevstr_set(tevstr);
+        for (dTree_data_c* data = room->mpData; data != NULL; data = data->mpNext) {
+            if (!cLib_checkBit<u8>(data->mState, 0x04)) {
+                u8* var_r25 = l_modelStatus[data->field_0x001];
+                if (data->field_0x003 != 0) {
+                    GXColor sp;
+                    sp.a = data->field_0x003;
+                    GFSetTevColor(GX_TEVREG2, sp);
+                    GFLoadPosMtxImm(data->field_0x010, GX_PNMTX0);
+                    GXCallDisplayList(l_modelDataStatus[var_r25[0]].list,
+                                      l_modelDataStatus[var_r25[0]].nbytes);
+                    GXCallDisplayList(l_modelDataStatus[var_r25[1]].list,
+                                      l_modelDataStatus[var_r25[1]].nbytes);
+                }
+
+                GFLoadPosMtxImm(data->field_0x040, GX_PNMTX0);
+                GXCallDisplayList(l_modelDataStatus[var_r25[2]].list,
+                                  l_modelDataStatus[var_r25[2]].nbytes);
+            }
+        }
+    }
+
+    J3DShape::resetVcdVatCache();
 }
 
 /* 80079898-80079B24       .text calc__14dTree_packet_cFv */
+// NONMATCHING - some regalloc
 void dTree_packet_c::calc() {
-    /* Nonmatching */
+    dTree_anm_c* anm = getAnm();
+
+    int var_r3 = 0;
+    for (s32 i = 0; i < 8; anm++, var_r3 += 250, i++) {
+        anm->field_0x06 = anm->field_0x02 + 100.0f + cM_scos((g_Counter.mTimer + var_r3) * 4000.0f) * 100.0f;
+        anm->field_0x04 = 100.0f + cM_scos((g_Counter.mTimer + var_r3) * 1000.0f) * 100.0f;
+    }
+
+    int roomNo = dComIfGp_roomControl_getStayNo();
+    dTree_data_c* data = mRoom[roomNo].getData();
+    if (data != NULL) {
+        daPy_py_c* player = daPy_getPlayerActorClass();
+        mPlayerCutFlg = player->checkNoResetFlg0(daPy_py_c::daPyFlg0_CUT_AT_FLG) != 0;
+
+        cXyz sp38;
+        cXyz sp2C;
+        sp38 = player->getSwordTopPos();
+
+        sp2C = sp38 - player->current.pos;
+        mPlayerSwordAngY = cM_atan2s(sp2C.x, sp2C.z);
+
+        sp2C = mPlayerSwordTop - sp38;
+        mPlayerSwordMoveAngY = cM_atan2s(sp2C.x, sp2C.z);
+
+        mPlayerSwordTop = sp38;
+
+        l_CutSoundFlag = false;
+        dComIfG_Ccsp()->SetMassAttr(40.0f, 200.0f, 19, 1);
+
+        while (true) {
+            if (!cLib_checkBit<u8>(data->mState, 0x08))
+                data->hitCheck(player, roomNo);
+
+            if (data->mAnimIdx >= 8)
+                data->animation(roomNo);
+
+            data = data->mpNext;
+            if (data == NULL)
+                break;
+        }
+    }
 }
 
 /* 80079B24-80079E6C       .text checkGroundY__FP12dTree_data_cR4cXyz */
-void checkGroundY(dTree_data_c*, cXyz&) {
-    /* Nonmatching */
+f32 checkGroundY(dTree_data_c* i_data, cXyz& i_pos) {
+    dBgS_GndChk chk;
+    i_pos.y += 50.0f;
+    chk.SetPos(&i_pos);
+    f32 y = dComIfG_Bgsp()->GroundCross(&chk);
+    i_pos.y -= 50.0f;
+
+    cXyz norm;
+    if (y <= -G_CM3D_F_INF) {
+        y = i_pos.y;
+        norm.set(0.0f, 1.0f, 0.0f);
+    } else {
+        norm = *dComIfG_Bgsp()->GetTriPla(chk)->GetNP();
+    }
+
+    f32 var_f4 = std::sqrtf(1.0f - (norm.x * norm.x));
+    f32 var_f2;
+    f32 var_f3;
+    if (var_f4 != 0.0f) {
+        var_f2 = norm.y * var_f4;
+        var_f3 = -norm.z * var_f4;
+    } else {
+        var_f2 = 0.0f;
+        var_f3 = 0.0f;
+    }
+
+    i_data->mShadowMtx[0][0] = var_f4;
+    i_data->mShadowMtx[0][1] = norm.x;
+    i_data->mShadowMtx[0][2] = 0.0f;
+    i_data->mShadowMtx[0][3] = i_pos.x;
+
+    i_data->mShadowMtx[1][0] = -norm.x * var_f2;
+    i_data->mShadowMtx[1][1] = norm.y;
+    i_data->mShadowMtx[1][2] = var_f3;
+    i_data->mShadowMtx[1][3] = y + 1.0f;
+
+    i_data->mShadowMtx[2][0] = norm.x * var_f3;
+    i_data->mShadowMtx[2][1] = norm.z;
+    i_data->mShadowMtx[2][2] = var_f2;
+    i_data->mShadowMtx[2][3] = i_pos.z;
+
+    return y;
 }
 
 /* 80079E6C-8007A14C       .text update__14dTree_packet_cFv */
 void dTree_packet_c::update() {
-    /* Nonmatching */
+    dTree_anm_c* anm = getAnm();
+    for (int i = 0; i < (s32)ARRAY_SIZE(mAnm); i++, anm++) {
+        mDoMtx_stack_c::YrotS(anm->field_0x0a);
+        mDoMtx_stack_c::XrotM(anm->field_0x04);
+        mDoMtx_stack_c::YrotM(anm->field_0x06 - anm->field_0x0a);
+        mDoMtx_copy(mDoMtx_stack_c::get(), anm->field_0x24);
+
+        mDoMtx_stack_c::YrotS(anm->field_0x0a);
+        mDoMtx_stack_c::XrotM(anm->field_0x08);
+        mDoMtx_stack_c::YrotM(anm->field_0x02 - anm->field_0x0a);
+        mDoMtx_copy(mDoMtx_stack_c::get(), anm->field_0x54);
+    }
+
+    dTree_data_c* data = getData();
+    anm = getAnm();
+
+    s32 numPerFrame = 0;
+    mDoLib_clipper::changeFar(mDoLib_clipper::getFar() * 1.8181819f);
+
+    for (int i = 0; i < (s32)ARRAY_SIZE(mData); i++) {
+        if (data->mState & 2) {
+            if ((data->mState & 0x10) && numPerFrame < 4) {
+                data->mPos.y = checkGroundY(data, data->mPos);
+                data->mState &= ~0x10;
+                numPerFrame++;
+            }
+
+            cXyz pos(data->mPos.x, data->mPos.y + 260.0f, data->mPos.z);
+            if (mDoLib_clipper::clip(j3dSys.getViewMtx(), pos, 260.0f)) {
+                cLib_onBit<u8>(data->mState, 0x04);
+            } else {
+                cLib_offBit<u8>(data->mState, 0x04);
+
+                dTree_anm_c* var_r22 = &anm[data->mAnimIdx];
+                if (data->mState & 8) {
+                    mDoMtx_concat(j3dSys.getViewMtx(), data->field_0x070, data->field_0x010);
+                    cLib_chaseUC(&data->field_0x003, 0, 8);
+                } else {
+                    var_r22->field_0x24[0][3] = data->mPos.x + var_r22->field_0x18;
+                    var_r22->field_0x24[1][3] = data->mPos.y + var_r22->field_0x1c;
+                    var_r22->field_0x24[2][3] = data->mPos.z + var_r22->field_0x20;
+                    mDoMtx_concat(j3dSys.getViewMtx(), var_r22->field_0x24, data->field_0x010);
+                }
+
+                var_r22->field_0x54[0][3] = data->mPos.x;
+                var_r22->field_0x54[1][3] = data->mPos.y;
+                var_r22->field_0x54[2][3] = data->mPos.z;
+
+                mDoMtx_concat(j3dSys.getViewMtx(), var_r22->field_0x54, data->field_0x040);
+                mDoMtx_concat(j3dSys.getViewMtx(), data->mShadowMtx, data->field_0x0d0);
+            }
+        }
+        data++;
+    }
+
+    mDoLib_clipper::resetFar();
+    dComIfGd_setXluListBG();
+    j3dSys.getDrawBuffer(1)->entryImm(this, 0);
+    dComIfGd_setXluList();
 }
 
 /* 8007A14C-8007A238       .text setData__14dTree_packet_cFP12dTree_data_ciR4cXyzUci */
-void dTree_packet_c::setData(dTree_data_c*, int, cXyz&, u8, int) {
-    /* Nonmatching */
+void dTree_packet_c::setData(dTree_data_c* i_data, int i_nextIdx, cXyz& i_pos, u8 param_3, int i_roomNo) {
+    f32 y;
+    if (fopOvlpM_IsPeek()) {
+        y = checkGroundY(i_data, i_pos);
+        i_data->mState = 6;
+    } else {
+        y = i_pos.y;
+        i_data->mState = 22;
+    }
+
+    i_data->field_0x001 = param_3;
+    i_data->field_0x003 = param_3 == 1 ? 0 : 0xFF;
+    i_data->mAnimIdx = (u8)cM_rndF(7.0f);
+    i_data->mPos.set(i_pos.x, y, i_pos.z);
+    mRoom[i_roomNo].newData(i_data);
+    mNextIdx = i_nextIdx;
 }
 
 /* 8007A238-8007A36C       .text newData__14dTree_packet_cFR4cXyzUci */
-void dTree_packet_c::newData(cXyz&, u8, int) {
-    /* Nonmatching */
+dTree_data_c* dTree_packet_c::newData(cXyz& i_pos, u8 param_1, int i_roomNo) {
+    JUT_ASSERT(1608, 0 <= i_roomNo && i_roomNo < 64);
+
+    dTree_data_c* data = &mData[mNextIdx];
+    s32 i = mNextIdx;
+    for (; i < (s32)ARRAY_SIZE(mData); data++, i++) {
+        if (!(data->mState & 2)) {
+            setData(data, i, i_pos, param_1, i_roomNo);
+            return data;
+        }
+    }
+
+    data = getData();
+    for (i = 0; i < mNextIdx; data++, i++) {
+        if (!(data->mState & 2)) {
+            setData(data, i, i_pos, param_1, i_roomNo);
+            return data;
+        }
+    }
+
+    return NULL;
 }
 
 /* 8007A36C-8007A3DC       .text newAnm__14dTree_packet_cFs */
-void dTree_packet_c::newAnm(s16) {
-    /* Nonmatching */
+s32 dTree_packet_c::newAnm(s16 param_0) {
+    dTree_anm_c* anm = &getAnm(8);
+    for (s32 i = 8; i < 64 + 8; anm++, i++) {
+        if (anm->mState == 0) {
+            anm->mState = 1;
+            anm->field_0x02 = param_0;
+            anm->field_0x06 = param_0;
+            anm->field_0x04 = 0;
+            anm->field_0x08 = 0;
+            anm->field_0x0a = 0;
+            anm->mAnimTimer = 0;
+            anm->field_0x10 = 0;
+            anm->field_0x14 = 0;
+            anm->field_0x18 = 0;
+            anm->field_0x1c = 0;
+            anm->field_0x20 = 0;
+            return i;
+        }
+    }
+    return -1;
 }
 
 /* 8007A3DC-8007A428       .text setAnm__14dTree_packet_cFis */
-void dTree_packet_c::setAnm(int, s16) {
-    /* Nonmatching */
+void dTree_packet_c::setAnm(int i_no, s16 param_1) {
+    dTree_anm_c& anm = getAnm(i_no);
+    anm.mState = 1;
+    anm.field_0x02 = param_1;
+    anm.field_0x06 = param_1;
+    anm.field_0x04 = 0;
+    anm.field_0x08 = 0;
+    anm.field_0x0a = 0;
+    anm.mAnimTimer = 0;
+    anm.field_0x10 = 0;
+    anm.field_0x14 = 0;
+    anm.field_0x18 = 0;
+    anm.field_0x1c = 0;
+    anm.field_0x20 = 0;
 }