ac_snowman 50%

include/ac_snowman.h

@@ -8,25 +8,34 @@
 extern "C" {
 #endif
 
+#define aSMAN_SCALE_MAX (6400.0f)
+
+typedef void (*aSMAN_PROC)(ACTOR* actorx, GAME* game);
+
 typedef struct snowman_actor_s {
-  ACTOR actor_class;
-  ClObjPipe_c _174;
-  int _190;
-  ACTOR* head_actor_p;
-  xyz_t _198;
-  u8 _1A4[0x1C4 - 0x1A4];
-  xyz_t snowball_scale;
-  f32 normalized_scale; /* normalized ball scale, [0, 1.0f] */
-  f32 _1D4;
-  f32 ball_scale; /* [0, 6400.0f] */
-  f32 _1DC;
-  int scale_result;
-  int msg_info;
-  int snowman_part;
-  s_xyz head_vec;
-  u8 _1F2[0x1F8 - 0x1F2];
-  s16 unk_1F8;
-  u8 _1FA[0x2];
+    /* 0x000 */ ACTOR actor_class;
+    /* 0x174 */ ClObjPipe_c col_pipe;
+    /* 0x190 */ aSMAN_PROC process;
+    /* 0x194 */ ACTOR* col_actor;
+    /* 0x198 */ xyz_t _198;
+    /* 0x1A4 */ xyz_t rev_pos;
+    /* 0x1B0 */ xyz_t fg_pos;
+    /* 0x1BC */ f32 y_ofs;
+    /* 0x1C0 */ f32 _1C0;
+    /* 0x1C4 */ f32 base_speed;
+    /* 0x1C8 */ f32 accel;
+    /* 0x1CC */ f32 roll_speed;
+    /* 0x1D0 */ f32 normalized_scale; /* normalized ball scale, [0, 1.0f] */
+    /* 0x1D4 */ f32 body_scale;
+    /* 0x1D8 */ f32 move_dist; /* [0, 6400.0f] */
+    /* 0x1DC */ f32 _1DC;
+    /* 0x1E0 */ int result;
+    /* 0x1E4 */ int msg_no;
+    /* 0x1E8 */ int snowman_part;
+    /* 0x1EC */ s_xyz head_vec;
+    /* 0x1F2 */ s_xyz ground_angle;
+    /* 0x1F8 */ s16 flags;
+    /* 0x1FA */ s16 timer;
 } SNOWMAN_ACTOR;
 
 extern ACTOR_PROFILE Snowman_Profile;
@@ -36,4 +45,3 @@ extern ACTOR_PROFILE Snowman_Profile;
 #endif
 
 #endif
-

include/libc64/math64.h

@@ -18,7 +18,7 @@ extern "C" {
 s16 sins(u16);
 s16 coss(u16);
 f32 fatan2(f32, f32);
-f64 fsqrt(f32);
+f32 fsqrt(f32);
 f32 facos(f32);
 
 #ifdef __cplusplus

include/m_lib.h

@@ -20,6 +20,11 @@ extern "C" {
 #define CLAMP(x, min, max) ((x) < (min) ? (min) : (((x) > (max) ? (max) : (x))))
 #define CLAMP2(x, min, max) ((min) < (x) ? (((x) < (max) ? (x) : (max))) : (min))
 
+// clamp macro specifically for Animal Crossing
+#ifndef M_CLAMP
+#define M_CLAMP(v, l, h) MAX(MIN((v), (l)), (h))
+#endif
+
 /* Float modulo operator */
 #define MOD_F(a, m) (a - (int)((a) * (1.0f / (m))) * (m))
 
@@ -47,6 +52,9 @@ extern "C" {
 /* degrees -> radians */
 #define DEG2RAD(deg) ((F_PI / 180.0f) * (deg))
 
+// short angle difference
+#define DIFF_SHORT_ANGLE(x, y) ((s16)((x) - (y)))
+
 typedef struct rgba_t { // can be put in other place
     u8 r, g, b, a;
 } rgba_t;

include/m_name_table.h

@@ -1504,6 +1504,19 @@ extern int mNT_check_unknown(mActor_name_t item_no);
 #define FTR_DINO_TRILOBITE_WEST 0x1F4F
 #define FTR_DINO_END FTR_DINO_TRILOBITE_WEST
 
+#define FTR_MODERN_LAMP 0x1F50
+
+#define FTR_SNOWMAN_FRIDGE 0x1F54
+#define FTR_SNOWMAN_TABLE 0x1F58
+#define FTR_SNOWMAN_BED 0x1F5C
+#define FTR_SNOWMAN_CHAIR 0x1F60
+#define FTR_SNOWMAN_LAMP 0x1F64
+#define FTR_SNOWMAN_SOFA 0x1F68
+#define FTR_SNOWMAN_TV 0x1F6C
+#define FTR_SNOWMAN_DRESSER 0x1F70
+#define FTR_SNOWMAN_WARDROBE 0x1F74
+#define FTR_SNOWMAN_CLOCK 0x1F78
+
 #define FTR_DINO_DISP_TRICERA 0x1F7C
 #define FTR_DINO_DISP_TREX 0x1F80
 #define FTR_DINO_DISP_BRONTO 0x1F84

include/m_snowman.h

@@ -26,7 +26,7 @@ typedef struct snowman_save_data_s {
 
 /* sizeof(mSN_snowman_info_c) == 0xC */
 typedef struct snowman_info_s{
-  /* 0x00 */ int scale;
+  /* 0x00 */ mSN_snowman_data_c data;
   /* 0x04 */ xyz_t pos;
 } mSN_snowman_info_c;
 

src/actor/ac_snowman.c

@@ -0,0 +1,791 @@
+#include "ac_snowman.h"
+
+#include "m_common_data.h"
+#include "m_player_lib.h"
+#include "m_rcp.h"
+#include "sys_matrix.h"
+#include "m_actor_shadow.h"
+#include "m_roll_lib.h"
+#include "m_handbill.h"
+#include "m_malloc.h"
+
+enum {
+    aSMAN_PART0,
+    aSMAN_PART1,
+
+    aSMAN_PART_NUM
+};
+
+static void aSMAN_actor_ct(ACTOR* actorx, GAME* game);
+static void aSMAN_actor_dt(ACTOR* actorx, GAME* game);
+static void aSMAN_actor_move(ACTOR* actorx, GAME* game);
+static void aSMAN_actor_draw(ACTOR* actorx, GAME* game);
+
+// clang-format off
+ACTOR_PROFILE Snowman_Profile = {
+    mAc_PROFILE_SNOWMAN,
+    ACTOR_PART_BG,
+    ACTOR_STATE_NO_MOVE_WHILE_CULLED,
+    ETC_SNOWMAN_BALL_A,
+    ACTOR_OBJ_BANK_PSNOWMAN,
+    sizeof(SNOWMAN_ACTOR),
+    aSMAN_actor_ct,
+    aSMAN_actor_dt,
+    aSMAN_actor_move,
+    aSMAN_actor_draw,
+    NULL,
+};
+// clang-format on
+
+// clang-format off
+static ClObjPipeData_c aSMAN_CoInfoData = {
+    { 0x39, 0x20, ClObj_TYPE_PIPE },
+    { 0x01 },
+    { 5, 5, 0, { 0, 0, 0 } }
+};
+// clang-format on
+
+// clang-format off
+static StatusData_c aSMAN_StatusData = {
+    0,
+    5,
+    5,
+    0,
+    196,
+};
+// clang-format on
+
+static void aSMAN_process_normal_init(ACTOR* actorx);
+static void aSMAN_process_combine_head_jump_init(ACTOR* actorx, GAME* game);
+static void aSMAN_process_combine_body_init(ACTOR* actorx);
+
+static void aSMAN_process_player_push(ACTOR* actorx, GAME* game);
+static void aSMAN_process_player_push_scroll(ACTOR* actorx, GAME* game);
+static void aSMAN_process_combine_body(ACTOR* actorx, GAME* game);
+static void aSMAN_process_combine_head_jump(ACTOR* actorx, GAME* game);
+static void aSMAN_process_swim(ACTOR* actorx, GAME* game);
+static void aSMAN_process_air(ACTOR* actorx, GAME* game);
+
+static void aSMAN_actor_ct(ACTOR* actorx, GAME* game) {
+    static int part_tbl[] = { aSMAN_PART0, aSMAN_PART1 };
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+    
+    if (actorx->npc_id == ETC_SNOWMAN_BALL_A) {
+        f32* move_dist = (f32*)mEv_get_common_area(mEv_EVENT_SNOWMAN_SEASON, aSMAN_PART0);
+
+        if (move_dist != NULL) {
+            actor->move_dist = *move_dist;
+        } else {
+            mEv_reserve_common_area(mEv_EVENT_SNOWMAN_SEASON, aSMAN_PART0);
+            actor->move_dist = 0.0f;
+        }
+    } else {
+        f32* move_dist = (f32*)mEv_get_common_area(mEv_EVENT_SNOWMAN_SEASON, aSMAN_PART1);
+
+        if (move_dist != NULL) {
+            actor->move_dist = *move_dist;
+        } else {
+            mEv_reserve_common_area(mEv_EVENT_SNOWMAN_SEASON, aSMAN_PART1);
+            actor->move_dist = 0.0f;
+        }
+    }
+
+    Shape_Info_init(actorx, 0.0f, mAc_ActorShadowEllipse, 10.0f, 10.0f);
+    ClObjPipe_ct(game, &actor->col_pipe);
+    ClObjPipe_set5(game, &actor->col_pipe, actorx, &aSMAN_CoInfoData);
+    CollisionCheck_Status_set3(&actorx->status_data, &aSMAN_StatusData);
+    actor->col_actor = NULL;
+    actor->timer = 0;
+    actor->snowman_part = part_tbl[actorx->npc_id != ETC_SNOWMAN_BALL_A];
+    actorx->max_velocity_y = -30.0f;
+    actorx->gravity = 0.8f;
+    actorx->speed = 0.0f;
+    actor->base_speed = 0.0f;
+    actor->accel = 0.1f;
+    actor->roll_speed = 0.0f;
+    aSMAN_process_normal_init(actorx);
+    actorx->scale.x = 0.01f;
+    actorx->scale.y = 0.01f;
+    actorx->scale.z = 0.01f;
+}
+
+static void aSNOWMAN_Set_PSnowman_info(SNOWMAN_ACTOR* actor) {
+    mSN_snowman_info_c sman_info;
+
+    xyz_t_move(&sman_info.pos, &actor->fg_pos);
+    sman_info.data.exists = TRUE;
+    sman_info.data.head_size = actor->normalized_scale * 255;
+    sman_info.data.body_size = actor->body_scale * 255;
+    sman_info.data.score = actor->result;
+    mCoBG_SetPlussOffset(actor->actor_class.world.position, 0, mCoBG_ATTRIBUTE_NONE);
+    if ((actor->flags & 0x80) == 0) {
+        mSN_regist_snowman_society(&sman_info);
+    }
+}
+
+static void aSMAN_actor_dt(ACTOR* actorx, GAME* game) {
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+
+    ClObjPipe_dt(game, &actor->col_pipe);
+    if (actor->snowman_part == aSMAN_PART0) {
+        if (actor->flags & 0x20) {
+            if (actor->flags & 1) {
+                if (actor->fg_pos.x != 0.0f || actor->fg_pos.z != 0.0f) {
+                    aSNOWMAN_Set_PSnowman_info(actor);
+                } else {
+                    mCoBG_SetPlussOffset(actorx->world.position, 0, mCoBG_ATTRIBUTE_NONE);
+                }
+            }
+
+            mEv_clear_common_place(mEv_EVENT_SNOWMAN_SEASON, 100 + aSMAN_PART0);
+            mEv_clear_common_area(mEv_EVENT_SNOWMAN_SEASON, aSMAN_PART0);
+        } else {
+            if ((actor->flags & 8) || (actor->flags & 4) || !mRlib_Set_Position_Check(actorx)) {
+                mEv_clear_common_place(mEv_EVENT_SNOWMAN_SEASON, 100 + aSMAN_PART0);
+                mEv_clear_common_area(mEv_EVENT_SNOWMAN_SEASON, aSMAN_PART0);
+            } else {
+                f32* move_dist = (f32*)mEv_get_common_area(mEv_EVENT_SNOWMAN_SEASON, aSMAN_PART0);
+
+                if (move_dist != NULL) {
+                    *move_dist = actor->move_dist;
+                }
+            }
+        }
+    } else {
+        if (actor->flags & 0x20) {
+            if (actor->flags & 1) {
+                if (actor->fg_pos.x != 0.0f || actor->fg_pos.z != 0.0f) {
+                    aSNOWMAN_Set_PSnowman_info(actor);
+                } else {
+                    mCoBG_SetPlussOffset(actorx->world.position, 0, mCoBG_ATTRIBUTE_NONE);
+                }
+            }
+
+            mEv_clear_common_place(mEv_EVENT_SNOWMAN_SEASON, 100 + aSMAN_PART1);
+            mEv_clear_common_area(mEv_EVENT_SNOWMAN_SEASON, aSMAN_PART1);
+        } else {
+            if ((actor->flags & 8) || (actor->flags & 4) || !mRlib_Set_Position_Check(actorx)) {
+                mEv_clear_common_place(mEv_EVENT_SNOWMAN_SEASON, 100 + aSMAN_PART1);
+                mEv_clear_common_area(mEv_EVENT_SNOWMAN_SEASON, aSMAN_PART1);
+            } else {
+                f32* move_dist = (f32*)mEv_get_common_area(mEv_EVENT_SNOWMAN_SEASON, aSMAN_PART1);
+
+                if (move_dist != NULL) {
+                    *move_dist = actor->move_dist;
+                }
+            }
+        }
+    }
+
+    mEv_actor_dying_message(mEv_EVENT_SNOWMAN_SEASON, actorx);
+}
+
+static void aSMAN_GetSnowmanPresentMail(Mail_c* mail) {
+    PersonalID_c* pid = &Now_Private->player_ID;
+    int mail_idx = 0x202;
+    int rnd = RANDOM(12);
+    mActor_name_t item;
+    u8 item_name[mIN_ITEM_NAME_LEN];
+    int header_back_start;
+    // clang-format off
+    static mActor_name_t snow_item_table[] = {
+        FTR_SNOWMAN_FRIDGE,
+        FTR_SNOWMAN_TABLE,
+        FTR_SNOWMAN_BED,
+        FTR_SNOWMAN_CHAIR,
+        FTR_SNOWMAN_LAMP,
+        FTR_SNOWMAN_SOFA,
+        FTR_SNOWMAN_TV,
+        FTR_SNOWMAN_DRESSER,
+        FTR_SNOWMAN_WARDROBE,
+        FTR_SNOWMAN_CLOCK,
+        ITM_CARPET25,
+        ITM_WALL25,
+    };
+    // clang-format on
+
+    // one chance at a re-roll if the player already has the item
+    if (mSP_CollectCheck(snow_item_table[rnd])) {
+        rnd = RANDOM(12);
+    }
+
+    item = snow_item_table[rnd];
+    mail_idx += rnd;
+    mIN_copy_name_str(item_name, item);
+    mHandbill_Set_free_str(mHandbill_FREE_STR0, item_name, sizeof(item_name));
+    mHandbill_Load_HandbillFromRom(mail->content.header, &header_back_start, mail->content.footer, mail->content.body, mail_idx);
+    mail->content.header_back_start = header_back_start;
+    mail->content.font = mMl_FONT_RECV;
+    mail->content.mail_type = mMl_TYPE_SNOWMAN;
+    mail->present = item;
+    mail->content.paper_type = (u8)ITM_PAPER12;
+    mPr_CopyPersonalID(&mail->header.recipient.personalID, pid);
+    mail->header.recipient.type = mMl_NAME_TYPE_PLAYER;
+}
+
+static void aSMAN_SendPresentMail(void) {
+    Mail_c* mail = (Mail_c*)zelda_malloc(sizeof(Mail_c));
+
+    if (!mLd_PlayerManKindCheck() && mail != NULL && mPO_get_keep_mail_sum() < mPO_MAIL_STORAGE_SIZE) {
+        mMl_clear_mail(mail);
+        aSMAN_GetSnowmanPresentMail(mail);
+        mPO_receipt_proc(mail, mPO_SENDTYPE_MAIL);
+    }
+
+    zelda_free(mail);
+}
+
+static int aSNOWMAN_player_block_check(ACTOR* actorx, GAME* game) {
+    ACTOR* playerx = GET_PLAYER_ACTOR_GAME_ACTOR(game);
+    int pbx;
+    int pbz;
+    int bx;
+    int bz;
+
+    mFI_Wpos2BlockNum(&pbx, &pbz, playerx->world.position);
+    mFI_Wpos2BlockNum(&bx, &bz, actorx->world.position);
+    if (pbx == bx && pbz == bz) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+static int aSMAN_FG_Position_Get(ACTOR* actorx) {
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+    // clang-format off
+    static xy_t chk_pos_tbl[] = {
+        {                 0.0f,                  0.0f},
+        { mFI_UNIT_BASE_SIZE_F,                  0.0f},
+        {-mFI_UNIT_BASE_SIZE_F,                  0.0f},
+        {                 0.0f,  mFI_UNIT_BASE_SIZE_F},
+        {                 0.0f, -mFI_UNIT_BASE_SIZE_F},
+        { mFI_UNIT_BASE_SIZE_F,  mFI_UNIT_BASE_SIZE_F},
+        {-mFI_UNIT_BASE_SIZE_F,  mFI_UNIT_BASE_SIZE_F},
+        { mFI_UNIT_BASE_SIZE_F, -mFI_UNIT_BASE_SIZE_F},
+        {-mFI_UNIT_BASE_SIZE_F, -mFI_UNIT_BASE_SIZE_F},
+    };
+    // clang-format on
+    int i;
+
+    for (i = 0; i < ARRAY_COUNT(chk_pos_tbl); i++) {
+        mActor_name_t item;
+        u32 attr;
+        xyz_t pos;
+        f32 ground_y;
+
+        pos = actorx->world.position;
+        pos.x += chk_pos_tbl[i].x;
+        pos.z += chk_pos_tbl[i].y;
+        pos.y = mCoBG_GetBgY_AngleS_FromWpos(NULL, pos, 0.0f);
+        // @optimization - function call inside of ABS macro...
+        ground_y = ABS(pos.y - mCoBG_GetBgY_AngleS_FromWpos(NULL, actorx->world.position, 0.0f));
+        item = *mFI_GetUnitFG(pos); // @BUG - they don't check for NULL here, and mFI_GetUnitFG can return a NULL pointer.
+        attr = mCoBG_Wpos2Attribute(pos, NULL);
+
+        if (!mCoBG_ExistHeightGap_KeepAndNow(pos) && item != RSV_NO && item != RSV_WALL_NO && attr != mCoBG_ATTRIBUTE_STONE && attr != mCoBG_ATTRIBUTE_WOOD && ground_y < 60.0f) {
+            actor->fg_pos = pos;
+            return TRUE;
+        }
+    }
+
+    actor->fg_pos = ZeroVec;
+    return FALSE;
+}
+
+static void aSMAN_House_Tree_Rev_Check(ACTOR* actorx) {
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+    
+    if (mRlib_HeightGapCheck_And_ReversePos(actorx) != TRUE) {
+        actor->flags |= 4;
+        Actor_delete(actorx);
+    }
+}
+
+static void aSMAN_Make_Effect_Ground(ACTOR* actorx, GAME* game) {
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+    
+    if (actor->normalized_scale < 0.2f) {
+        return;
+    }
+
+    if ((game->frame_counter & 0xF) == 0 && actorx->bg_collision_check.result.unit_attribute == mCoBG_ATTRIBUTE_BUSH && actorx->speed > 1.0f) {
+        xyz_t pos = actorx->world.position;
+        s16 arg;
+        s16 angle;
+
+        angle = DEG2SHORT_ANGLE2(45.0f + RANDOM_F(45.0f));
+        if (game->frame_counter & 0x10) {
+            angle = -angle;
+        }
+
+        arg = actorx->speed > 4.0f ? 1 : 0;
+        pos.x += (actor->normalized_scale * 20.0f + 10.0f) * sin_s(angle);
+        pos.z += (actor->normalized_scale * 20.0f + 10.0f) * cos_s(angle);
+        pos.y -= (actor->normalized_scale * 20.0f + 10.0f);
+        eEC_CLIP->effect_make_proc(eEC_EFFECT_BUSH_HAPPA, pos, 1, actorx->world.angle.y, game, actorx->npc_id, 0, arg);
+        eEC_CLIP->effect_make_proc(eEC_EFFECT_BUSH_YUKI, pos, 1, actorx->world.angle.y, game, actorx->npc_id, 0, 0);
+    }
+}
+
+static void aSMAN_get_hole_offset(ACTOR* actorx, f32 hole_dist) {
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+    static f32 small_offset = -875.0f;
+    static f32 middle_offset = -750.0f;
+    static f32 large_offset = -250.0f;
+    f32 ofs;
+    f32 rate;
+    f32 clamped_rate;
+
+    rate = (hole_dist * 2.0f) / mFI_UNIT_BASE_SIZE_F;
+    clamped_rate = M_CLAMP(rate, 0.0f, 1.0f);
+
+    if (actor->normalized_scale < 0.2f) {
+        ofs = small_offset + actor->normalized_scale * 3.0f * (middle_offset - small_offset);
+    } else {
+        ofs = middle_offset + (actor->normalized_scale * 1.5f - 0.5f) * (large_offset - middle_offset);
+    }
+
+    ofs *= clamped_rate;
+    add_calc(&actor->y_ofs, ofs, 1.0f - sqrtf(0.5f), 100.0f, 2.5f);
+}
+
+static int aSMAN_get_ground_norm(ACTOR* actorx, xyz_t* norm, xyz_t* pos) {
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+
+    mCoBG_GetBgNorm_FromWpos(norm, *pos);
+    if (Math3d_normalizeXyz_t(norm)) {
+        f32 hole_dist;
+        s16 norm_rate;
+        s16 angle;
+
+        if (mRlib_Get_ground_norm_inHole(actorx, norm, &hole_dist, &angle, &norm_rate, 1.0f - actor->normalized_scale * 0.5f)) {
+            aSMAN_get_hole_offset(actorx, hole_dist);
+            if ((actor->flags & 8) == 0) {
+                s16 angle_mod;
+                f32 cos = cos_s(angle);
+                f32 sin = sin_s(angle);
+                f32 norm_f;
+
+                angle_mod = norm_rate + (int)(actor->ground_angle.z * sin * sin + actor->ground_angle.x * cos * cos);
+                norm_rate = (int)angle_mod;
+                norm_rate = M_CLAMP((int)angle_mod, DEG2SHORT_ANGLE(90.0f), DEG2SHORT_ANGLE(-90.0f));
+
+                if (actor->normalized_scale < 0.5f) {
+                    actorx->position_speed.x *= 0.9f;
+                    actorx->position_speed.z *= 0.9f;
+                } else if (actor->ground_angle.x == 0 && actor->ground_angle.z == 0) {
+                    actorx->position_speed.x *= 0.95f;
+                    actorx->position_speed.z *= 0.95f;
+                }
+
+                norm_f = -cos_s(norm_rate);
+                mRlib_spdF_Angle_to_spdXZ(norm, &norm_f, &angle);
+                norm->y = sin_s(norm_rate);
+                if (hole_dist < 1.0f) {
+                    if (ABS(actorx->position_speed.x) < 1.0f && ABS(actorx->position_speed.z) < 1.0f) {
+                        actor->flags |= 8;
+                        actorx->state_bitfield &= ~ACTOR_STATE_NO_MOVE_WHILE_CULLED;
+                        actorx->status_data.weight = MASSTYPE_HEAVY;
+                        actorx->speed = 0.0f;
+                    }
+                }
+            }
+        } else {
+            mRlib_Get_norm_Clif(actorx, norm);
+            add_calc0(&actor->y_ofs, 1.0f - sqrtf(0.5f), 50.0f);
+        }
+
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+static void aSMAN_player_push_free(GAME* game) {
+    ACTOR* playerx = GET_PLAYER_ACTOR_GAME_ACTOR(game);
+
+    playerx->speed = 0.0f;
+    mPlib_request_main_push_snowball_end_type1(game);
+}
+
+static int aSMAN_player_push_HitWallCheck(ACTOR* actorx, GAME* game) {
+    ACTOR* playerx = GET_PLAYER_ACTOR_GAME_ACTOR(game);
+    u32 hit_wall = playerx->bg_collision_check.result.hit_wall;
+    u32 hit_attr_wall = playerx->bg_collision_check.result.hit_attribute_wall;
+    s16 wall_angle;
+    s16 dAngle;
+    
+    if ((hit_wall & mCoBG_HIT_WALL) || (hit_attr_wall & mCoBG_HIT_WALL)) {
+        wall_angle = mRlib_Get_HitWallAngleY(actorx);
+        dAngle = (wall_angle - playerx->world.angle.y) + DEG2SHORT_ANGLE2(180.0f);
+        if (ABS(dAngle) > DEG2SHORT_ANGLE2(45.0f)) {
+            return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+
+static s16 aSMAN_get_norm_push_angle_distance(ACTOR* actorx, xyz_t* norm, s16 push_angle) {
+    s16 norm_angle;
+
+    mCoBG_GetBgNorm_FromWpos(norm, actorx->world.position);
+    norm_angle = atans_table(norm->z, norm->x);
+    return norm_angle - push_angle;
+}
+
+static void aSMAN_player_push_scroll_request(ACTOR* actorx, GAME* game) {
+    ACTOR* playerx = GET_PLAYER_ACTOR_GAME_ACTOR(game);
+    int dir;
+    xyz_t snowball_ofs;
+    xyz_t rev;
+
+    rev = mCoBG_UniqueWallCheck(playerx, 18.0f, 0.0f);
+    dir = mPlib_CheckCondition_forWadeSnowball(&playerx->world.position, playerx->world.angle.y);
+    if (dir != mFI_MOVEDIR_NONE) {
+        xyz_t_sub(&actorx->world.position, &playerx->world.position, &snowball_ofs);
+        mPlib_Set_ScrollDemo_forWade_snowball(dir, &snowball_ofs);
+    } else if (!F32_IS_ZERO(rev.x) || !F32_IS_ZERO(rev.z)) {
+        aSMAN_player_push_free(game);
+        aSMAN_process_normal_init(actorx);
+    }
+}
+
+static void aSMAN_set_speed_relations_norm_player_push(ACTOR* actorx, GAME* game) {
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+    ACTOR* playerx = GET_PLAYER_ACTOR_GAME_ACTOR(game);
+    s16 dAngle = ABS(actorx->world.angle.y - playerx->world.angle.y);
+    xyz_t norm;
+
+    if (aSMAN_get_ground_norm(actorx, &norm, &actorx->world.position) && (!F32_IS_ZERO(norm.x) || !F32_IS_ZERO(norm.z))) {
+        if (dAngle < DEG2SHORT_ANGLE2(90.0f)) {
+            f32 accel = 0.3f + actor->normalized_scale * 0.099999994f;
+            f32 norm_speed;
+
+            accel *= 0.2f;
+            actorx->position_speed.x += norm.x * accel;
+            actorx->position_speed.z += norm.z * accel;
+            mRlib_spdXZ_to_spdF_Angle(&actorx->position_speed, &norm_speed, &actorx->world.angle.y);
+            actor->base_speed = norm_speed + (actor->normalized_scale * 0.02f + 0.01f) * (actor->base_speed - norm_speed);
+        } else if (actorx->speed > 0.5f) {
+            actor->base_speed = 0.0f;
+            actor->accel = 0.0f;
+        }
+    }
+}
+
+static ACTOR* aSMAN_get_oc_actor(SNOWMAN_ACTOR* actor) {
+    if (ClObj_DID_COLLIDE(actor->col_pipe.collision_obj)) {
+        ACTOR* oc_actor = actor->col_pipe.collision_obj.collided_actor;
+
+        if (oc_actor != NULL) {
+            return oc_actor;
+        }
+    }
+
+    return NULL;
+}
+
+static void aSMAN_MakeBreakEffect(SNOWMAN_ACTOR* actor, GAME* game) {
+    xyz_t pos = actor->actor_class.world.position;
+    s16 arg = (s16)(actor->normalized_scale * 100.0f);
+
+    pos.y -= actor->normalized_scale * 20.0f + 10.0f;
+    eEC_CLIP->effect_make_proc(eEC_EFFECT_YUKIDARUMA, pos, 1, 0, game, actor->actor_class.npc_id, arg, 0);
+    sAdo_OngenTrgStart(0x143, &actor->actor_class.world.position);
+}
+
+static int aSMAN_status_check_in_move(SNOWMAN_ACTOR* actor, GAME* game) {
+    int ret = FALSE;
+
+    if ((actor->flags & 2) != 0 && (actor->flags & 0x20) == 0) {
+        actor->flags |= 4;
+        aSMAN_MakeBreakEffect(actor, game);
+        Actor_delete((ACTOR*)actor);
+        ret = TRUE;
+    }
+
+    if (actor->flags & 0x20) {
+        ret = TRUE;
+    }
+
+    if (actor->flags & 8) {
+        ret = TRUE;
+    }
+
+    if (ret == TRUE && (actor->process == aSMAN_process_player_push || actor->process == aSMAN_process_player_push_scroll)) {
+        aSMAN_player_push_free(game);
+    }
+
+    return ret;
+}
+
+static void aSMAN_position_move(ACTOR* actorx) {
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+
+    mCoBG_GetBgY_AngleS_FromWpos(&actor->ground_angle, actorx->world.position, 0.0f);
+    chase_f(&actorx->speed, actor->base_speed, actor->accel);
+    
+    if ((actor->flags & 0x20) != 0 || (actor->flags & 8) != 0 ||
+        actor->process == aSMAN_process_combine_body || actor->process == aSMAN_process_player_push_scroll) {
+        return;
+    }
+
+    Actor_position_speed_set(actorx);
+    mRlib_position_move_for_sloop(actorx, &actor->ground_angle);
+}
+
+static int aSMAN_BGcheck(ACTOR* actorx, GAME* game) {
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+    f32 r = actor->normalized_scale * 20.0f + 10.0f;
+
+    if ((actor->flags & 0x20) != 0 || actor->process == aSMAN_process_combine_head_jump || actor->process == aSMAN_process_combine_body) {
+        return FALSE;
+    }
+
+    if (actor->process == aSMAN_process_swim) {
+        mCoBG_BgCheckControll(&actor->rev_pos, actorx, r, -r, mCoBG_WALL_TYPE0, mCoBG_REVERSE_TYPE_NO_REVERSE, mCoBG_CHECK_TYPE_NORMAL);
+        actorx->world.position.x += actor->rev_pos.x;
+        actorx->world.position.z += actor->rev_pos.z;
+    } else {
+        mCoBG_BgCheckControll(&actor->rev_pos, actorx, r, -r, mCoBG_WALL_TYPE0, mCoBG_REVERSE_TYPE_REVERSE, mCoBG_CHECK_TYPE_NORMAL);
+        mRlib_Station_step_modify_to_wall(actorx);
+
+        if (actorx->world.position.y - actorx->last_world_position.y > 60.0f) {
+            actorx->world.position = actorx->last_world_position;
+            actor->flags |= 0x4;
+            actor->flags |= 0x2;
+            return FALSE;
+        }
+    }
+
+    if ((actorx->bg_collision_check.result.hit_wall & mCoBG_HIT_WALL) != 0) {
+        s16 angle = mRlib_Get_HitWallAngleY(actorx);
+        s16 colAngle = (angle - DEG2SHORT_ANGLE2(90.0f)) - actorx->world.angle.y;
+        int diff;
+        f32 speed = actorx->speed * sin_s(colAngle);
+
+        if (ABS(speed) > 5.0f) {
+            actor->flags |= 0x4;
+            actor->flags |= 0x2;
+            return FALSE;
+        }
+
+
+        diff = actorx->world.angle.y - (angle - DEG2SHORT_ANGLE2(-180.0f));
+        if (speed > 0.0f) {
+            f32 speed2 = actorx->speed * cos_s(colAngle);
+
+            actorx->world.angle.y = angle - diff;
+            speed *= 0.7f;
+            actorx->speed = sqrtf(SQ(speed) + SQ(speed2));
+
+            if (actor->process != aSMAN_process_player_push && !actorx->bg_collision_check.result.is_in_water && actorx->speed > 0.5f) {
+                sAdo_OngenTrgStartSpeed(actorx->speed, 0x103, &actorx->world.position);
+            }
+        } else {
+            if (actor->process == aSMAN_process_air) {
+                sAdo_OngenTrgStartSpeed(actorx->speed, 0x103, &actorx->world.position);
+                actorx->world.angle.y = angle;
+                actorx->speed *= 1.2f;
+                actorx->position_speed.y = 0.0f;
+            }
+        }
+
+        mRlib_spdF_Angle_to_spdXZ(&actorx->position_speed, &actorx->speed, &actorx->world.angle.y);
+    }
+
+    return TRUE;
+}
+
+static int aSMAN_snowman_hit_check(SNOWMAN_ACTOR* actor, GAME* game, ACTOR* oc_actorx) {
+    int b_ux;
+    int b_uz;
+    
+    actor->col_actor = oc_actorx;
+    if (oc_actorx->id == mAc_PROFILE_SNOWMAN) {
+        SNOWMAN_ACTOR* oc_actor = (SNOWMAN_ACTOR*)oc_actorx;
+        u32 attr;
+        xyz_t center_pos;
+
+        if ((F32_IS_ZERO(actor->actor_class.speed) && F32_IS_ZERO(oc_actorx->speed))) {
+            return FALSE;
+        }
+
+        if (actor->actor_class.speed >= oc_actorx->speed) {
+            mFI_Wpos2UtCenterWpos(&center_pos, oc_actorx->world.position);
+        } else {
+            mFI_Wpos2UtCenterWpos(&center_pos, actor->actor_class.world.position);
+        }
+
+        attr = mCoBG_Wpos2Attribute(center_pos, NULL);
+        mFI_Wpos2UtNum_inBlock(&b_ux, &b_uz, center_pos);
+        if (attr == mCoBG_ATTRIBUTE_STONE || attr == mCoBG_ATTRIBUTE_WOOD || mCoBG_Wpos2CheckSlateCol(&center_pos, FALSE) || b_ux == 0 || b_ux == (UT_X_NUM - 1) || b_uz == 0 || b_uz == (UT_Z_NUM - 1) || (oc_actor->flags & 0x8) != 0 || oc_actor->ground_angle.x != 0 || oc_actor->ground_angle.z != 0 || !aSNOWMAN_player_block_check((ACTOR*)actor, game)) {
+            return FALSE;
+        }
+
+        if (actor->snowman_part != oc_actor->snowman_part && actor->normalized_scale > 0.2f && oc_actor->normalized_scale > 0.2f) {
+            actor->actor_class.status_data.weight = MASSTYPE_HEAVY;
+            oc_actorx->status_data.weight = MASSTYPE_HEAVY;
+            
+            if (oc_actor->process == aSMAN_process_player_push || actor->process == aSMAN_process_player_push) {
+                aSMAN_player_push_free(game);
+            }
+
+            if (actor->actor_class.speed >= oc_actorx->speed) {
+                oc_actor->col_actor = (ACTOR*)actor;
+                aSMAN_process_combine_head_jump_init((ACTOR*)actor, game);
+                aSMAN_process_combine_body_init(oc_actorx);
+            } else {
+                oc_actor->col_actor = (ACTOR*)actor;
+                aSMAN_process_combine_body_init((ACTOR*)actor);
+                aSMAN_process_combine_head_jump_init(oc_actorx, game);
+            }
+
+            return TRUE;
+        }
+
+        return FALSE;
+    }
+
+    return FALSE;
+}
+
+static void aSMAN_OBJcheck(SNOWMAN_ACTOR* actor, GAME* game) {
+    if ((actor->flags & 0x20) != 0) {
+        return;
+    }
+
+    if (ClObj_DID_COLLIDE(actor->col_pipe.collision_obj)) {
+        ACTOR* oc_actorx = actor->col_pipe.collision_obj.collided_actor;
+
+        actor->col_pipe.collision_obj.collision_flags0 &= ~ClObj_FLAG_COLLIDED;
+        if (oc_actorx != NULL) {
+            xyz_t tmp;
+
+            if (actor->col_actor != oc_actorx && !aSMAN_snowman_hit_check(actor, game, oc_actorx)) {
+                f32 rate = (1.0f - actor->normalized_scale) * 0.4f;
+                
+                tmp = oc_actorx->position_speed;
+                xyz_t_mult_v(&tmp, rate);
+                if (oc_actorx->speed > 0.5f) {
+                    sAdo_OngenTrgStartSpeed(oc_actorx->speed, 0x102, &actor->actor_class.world.position);
+                }
+            } else {
+                f32 add = 0.16f - actor->normalized_scale * 0.14f;
+                s16 angle = oc_actorx->world.angle.y;
+
+                if (actor->normalized_scale > 0.2f) {
+                    add *= 0.2f;
+                }
+
+                mRlib_spdF_Angle_to_spdXZ(&tmp, &add, &angle);
+                tmp.y = 0.0f;
+            }
+
+            if (tmp.x * (actor->actor_class.world.position.x - oc_actorx->world.position.x) > 0.0f) {
+                actor->actor_class.position_speed.x += tmp.x;
+            }
+
+            if (tmp.z * (actor->actor_class.world.position.z - oc_actorx->world.position.z) > 0.0f) {
+                actor->actor_class.position_speed.z += tmp.z;
+            }
+        } else {
+            actor->col_actor = NULL;
+        }
+    } else {
+        actor->col_actor = NULL;
+    }
+}
+
+static void aSMAN_set_speed_relations_norm(ACTOR* actorx) {
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+    xyz_t norm;
+
+    if (aSMAN_get_ground_norm(actorx, &norm, &actorx->world.position) && (!F32_IS_ZERO(norm.x) || !F32_IS_ZERO(norm.z))) {
+        f32 vel = actor->normalized_scale * 0.099999994f + 0.3f;
+
+        actorx->position_speed.x += norm.x * vel;
+        actorx->position_speed.z += norm.z * vel;
+        actorx->world.angle.y = atans_table(actorx->position_speed.z, actorx->position_speed.x);
+        actor->base_speed = fsqrt(SQ(actorx->position_speed.z) + SQ(actorx->position_speed.x));
+        actor->accel = 0.0f;
+    } else {
+        actor->base_speed = 0.0f;
+        actor->accel = 0.1f - actor->normalized_scale * 0.05f;
+    }
+
+    actorx->max_velocity_y = -30.0f;
+    actorx->gravity = 0.8f;
+    actor->roll_speed = actorx->speed;
+}
+
+static void aSMAN_set_speed_relations_swim(ACTOR* actorx) {
+    static s16 angl_add_table[] = { DEG2SHORT_ANGLE2(1.40625f), DEG2SHORT_ANGLE2(5.625f) };
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+    xyz_t flow;
+    s16 flow_angle;
+    f32 water_height;
+
+    water_height = mCoBG_GetWaterHeight_File(actorx->world.position, __FILE__, 1362);
+    mCoBG_GetWaterFlow(&flow, actorx->bg_collision_check.result.unit_attribute);
+    flow_angle = atans_table(flow.z, flow.x);
+    chase_angle(&actorx->world.angle.y, flow_angle, angl_add_table[ABS(DIFF_SHORT_ANGLE(actorx->world.angle.y, flow_angle)) > DEG2SHORT_ANGLE2(90.0f)]);
+    if (actorx->world.position.y < water_height) {
+        actorx->max_velocity_y = 1.0f;
+    } else {
+        actorx->max_velocity_y = -1.0f;
+    }
+
+    actorx->gravity = 0.1f;
+    actor->base_speed = 1.0f;
+    actor->accel = 0.1f;
+    add_calc0(&actor->roll_speed, 1.0f - sqrtf(0.5f), 0.25f);
+}
+
+static void aSMAN_calc_axis(ACTOR* actorx) {
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+
+    if (!F32_IS_ZERO(actor->roll_speed) && actor->process != aSMAN_process_player_push_scroll) {
+        s16 dAngle = (s16)(actor->roll_speed * (DEG2SHORT_ANGLE3(180.0f) / (((actor->normalized_scale * 20.0f + 10.0f) * 2.0f) * 3.14f)));
+
+        if (actor->process == aSMAN_process_swim) {
+            f32 rate = (-1.0f - actorx->position_speed.y) / -2.0f;
+            dAngle *= rate;
+        }
+
+        mRlib_Roll_Matrix_to_s_xyz(actorx, &actor->head_vec, dAngle);
+    }
+}
+
+static void aSMAN_calc_scale(ACTOR* actorx) {
+    SNOWMAN_ACTOR* actor = (SNOWMAN_ACTOR*)actorx;
+    f32 scale;
+    u32 attr = mCoBG_Wpos2Attribute(actorx->world.position, NULL);
+
+    if (attr <= mCoBG_ATTRIBUTE_GRASS3) {
+        actor->move_dist += actorx->speed;
+    } else {
+        actor->move_dist -= actorx->speed * 0.75f;
+    }
+
+    if (actor->move_dist > aSMAN_SCALE_MAX) {
+        actor->move_dist = aSMAN_SCALE_MAX;
+    } else if (actor->move_dist < 0.0f) {
+        actor->move_dist = 0.0f;
+    }
+
+    actor->normalized_scale = actor->move_dist / aSMAN_SCALE_MAX;
+    scale = actor->normalized_scale * 0.02f + 0.01f;
+
+    if (scale > 0.03f) {
+        scale = 0.03f;
+    }
+
+    actorx->scale.x = actorx->scale.y = actorx->scale.z = scale;
+    actorx->shape_info.shadow_size_x = actorx->shape_info.shadow_size_z = actor->normalized_scale * 20.0f + 10.0f;
+}
+
+static void aSMAN_actor_move(ACTOR* actorx, GAME* game);
+static void aSMAN_actor_draw(ACTOR* actorx, GAME* game);

src/game/m_player_main_reflect_axe.c_inc

@@ -94,7 +94,7 @@ static void Player_actor_SetOrderNPC_Reflect_axe(ACTOR* actor, mPlayer_main_refl
         if (reflect_actor != NULL) {
             switch (reflect_actor->id) {
                 case mAc_PROFILE_SNOWMAN:
-                    ((SNOWMAN_ACTOR*)reflect_actor)->unk_1F8 |= 2;
+                    ((SNOWMAN_ACTOR*)reflect_actor)->flags |= 2;
                     return;
 
                 case mAc_PROFILE_BALL:

src/game/m_player_main_reflect_scoop.c_inc

@@ -104,7 +104,7 @@ static void Player_actor_SetEffectHit_Reflect_scoop(ACTOR* actor, GAME* game) {
         if (reflected) {
             switch (reflected->id) {
                 case mAc_PROFILE_SNOWMAN:
-                    ((SNOWMAN_ACTOR*)reflected)->unk_1F8 |= 2;
+                    ((SNOWMAN_ACTOR*)reflected)->flags |= 2;
                     break;
 
                 case mAc_PROFILE_BALL:

src/game/m_snowman.c

@@ -94,7 +94,7 @@ extern void mSN_regist_snowman_society(mSN_snowman_info_c* info){
     xyz_t npos;
     xyz_t ypos;
     if(snowId != -1){
-        mem_copy((u8*)Save_GetPointer(snowmen.snowmen_data[snowId]), (u8*)info, 4);
+        mem_copy((u8*)Save_GetPointer(snowmen.snowmen_data[snowId]), (u8*)&info->data, sizeof(info->data));
         if(ac != 0){
             mPB_keep_item(ac);
             npos = info->pos;
@@ -115,4 +115,4 @@ extern void mSN_snowman_init(){
 
     bzero(Save_GetPointer(snowmen), sizeof(mSN_snowman_save_c));
     mSN_decide_msg();
-}
+}

src/static/libc64/math64.c

@@ -5,7 +5,7 @@ f32 fatan2(f32 x, f32 y) {
     return atan2(x, y);
 }
 
-f64 fsqrt(f32 x) {
+f32 fsqrt(f32 x) {
     return sqrtf(x);
 }