//
// Generated by dtk
// Translation Unit: d_grass.cpp
//

#include "d/dolzel.h" // IWYU pragma: keep
#include "d/d_grass.h"
#include "f_op/f_op_overlap_mng.h"
#include "d/d_bg_s_gnd_chk.h"
#include "d/d_cc_d.h"
#include "d/d_com_inf_game.h"
#include "d/d_kankyo.h"
#include "d/d_kankyo_wether.h"
#include "d/d_procname.h"
#include "m_Do/m_Do_mtx.h"
#include "m_Do/m_Do_lib.h"
#include "m_Do/m_Do_graphic.h"
#include "SSystem/SComponent/c_counter.h"
#include "dolphin/gf/GF.h"

#include "assets/l_K_kusa_00TEX.h"
const u32 l_K_kusa_00TEX__width = 64;
const u32 l_K_kusa_00TEX__height = 128;

Vec l_Vmori_pos[] = {
    {0.0f, -0.0f, 0.0f},
    {-20.232309f, 2.398434f, -12.457211f},
    {-22.421972f, 96.708992f, -32.329994f},
    {-0.689661f, 28.224686f, -17.54632f},
    {18.556299f, 68.562164f, -34.307945f},
    {18.543142f, 2.398434f, -11.276213f},
    {-0.200689f, 2.398434f, 21.652548f},
    {-25.964092f, 96.708992f, 30.826571f},
    {-14.926651f, 28.224686f, 6.578368f},
    {-35.45715f, 68.562164f, -0.097443f},
    {36.34602f, 96.708992f, 0.33899f},
    {13.406961f, 28.224686f, 6.463065f},
    {22.201593f, 68.562164f, 30.207361f},
    {-17.307545f, 92.651337f, -11.431835f},
    {-0.689661f, 28.224686f, -17.546318f},
    {16.828806f, 92.651367f, -10.67745f},
    {-0.098656f, 85.026367f, 19.19121f},
    {-14.926647f, 28.224686f, 6.578368f},
    {-0.479885f, 11.192533f, -13.94727f},
    {11.278254f, 12.157036f, 6.079208f},
    {-12.355106f, 13.254459f, 6.175385f},
    {-15.73156f, 5.409967f, -8.529058f},
    {13.355361f, 5.409967f, -8.554744f},
    {-0.305629f, 4.337076f, 16.596081f},
    {-0.479884f, 11.192533f, -13.94727f},
    {-12.355103f, 13.254459f, 6.175385f},
    {11.278254f, 12.157036f, 6.079209f},
};

GXColor l_Vmori_color[] = {
    {0xFF, 0xFF, 0xFF, 0xFF},
    {0x41, 0x41, 0x41, 0xFF},
    {0xDD, 0xCF, 0x71, 0xFF},
    {0, 0x2E, 0x1, 0xFF},
    {0xAE, 0xA4, 0x57, 0xFF},
};

cXy l_Vmori_texCoord[] = {
    {0.006063f, 0.998037f},
    {0.659757f, 0.0f},
    {0.974817f, 1.0f},
    {-0.00456f, 1.0f},
    {0.980413f, 1.0f},
    {0.980413f, 1.002798f},
    {0.933797f, 0.82872f},
    {0.938976f, 0.84993f},
    {0.940903f, 0.138216f},
};

#include "assets/l_Vmori_00DL.h"
#include "assets/l_Vmori_01DL.h"
#include "assets/l_Vmori_matDL.h"
l_Vmori_matDL(l_K_kusa_00TEX);

#include "assets/l_Txa_ob_kusa_aTEX.h"
const u32 l_Txa_ob_kusa_aTEX__width = 64;
const u32 l_Txa_ob_kusa_aTEX__height = 64;

Vec l_pos[] = {
    {0.0f, -0.0f, 0.0f},
    {-20.232309f, 7.048814f, -12.457211f},
    {-22.421972f, 96.708992f, -32.329994f},
    {-0.689661f, 28.224686f, -17.54632f},
    {18.556299f, 68.562164f, -34.307945f},
    {18.543142f, 7.048814f, -11.276213f},
    {-0.200689f, 4.806987f, 21.652548f},
    {-25.964092f, 96.708992f, 30.826571f},
    {-14.926651f, 28.224686f, 6.578368f},
    {-35.45715f, 68.562164f, -0.097443f},
    {36.34602f, 96.708992f, 0.33899f},
    {13.406961f, 28.224686f, 6.463065f},
    {22.201593f, 68.562164f, 30.207361f},
    {-17.307545f, 92.651337f, -11.431835f},
    {-0.689661f, 28.224686f, -17.546318f},
    {16.828806f, 92.651367f, -10.67745f},
    {-0.098656f, 85.026367f, 19.19121f},
    {-14.926647f, 28.224686f, 6.578368f},
    {-0.479885f, 11.192533f, -13.94727f},
    {11.278254f, 12.157036f, 6.079208f},
    {-12.355106f, 13.254459f, 6.175385f},
    {-15.73156f, 5.409967f, -8.529058f},
    {13.355361f, 5.409967f, -8.554744f},
    {-0.305629f, 4.337076f, 16.596081f},
    {-0.479884f, 11.192533f, -13.94727f},
    {-12.355103f, 13.254459f, 6.175385f},
    {11.278254f, 12.157036f, 6.079209f},
};

GXColor l_color[] = {
    {0x87, 0x87, 0x87, 0xFF},
    {0xFF, 0xFF, 0xFF, 0xFF},
    {0x6E, 0x6E, 0x6E, 0xFF},
    {0x69, 0x69, 0x69, 0xFF},
    {0x7B, 0x7B, 0x7B, 0xFF},
    {0x76, 0x76, 0x76, 0xFF},
    {0xB1, 0xB1, 0xB1, 0xFF},
    {0xCC, 0xCC, 0xCC, 0xFF},
};

cXy l_texCoord[] = {
    {0.375f, 0.625f},
    {1.0f, 0.0f},
    {1.0f, 1.0f},
    {2.0f, 1.0f},
    {0.0f, 1.0f},
    {1.625f, 0.625f},
    {0.0f, 0.5f},
    {0.5f, 0.0f},
    {0.0f, 0.0f},
};

#include "assets/l_Oba_kusa_aDL.h"
#include "assets/l_Oba_kusa_a_cutDL.h"
#include "assets/l_matDL__d_grass.h"
l_matDL__d_grass(l_Txa_ob_kusa_aTEX);

static bool l_CutSoundFlag;

/* 80077048-8007712C       .text setBatta__FP4cXyzP8_GXColor */
void setBatta(cXyz* pos, GXColor* color) {
    if (
        !dKy_rain_check() &&
        !dComIfGp_event_runCheck() &&
        strncmp(dComIfGp_getStartStageName(), "kin", sizeof("kin")-1) != 0 &&
        strcmp(dComIfGp_getStartStageName(), "Xboss1") != 0 &&
        cM_rnd() > 0.99f
    ) {
        dComIfGp_particle_set(dPa_name::ID_AK_JN_BATTA00, pos, NULL, NULL, 0xFF, NULL, -1, color, color);
    }
}

/* 8007712C-8007734C       .text WorkCo__13dGrass_data_cFP10fopAc_ac_cUli */
void dGrass_data_c::WorkCo(fopAc_ac_c* other, u32, int roomNo) {
    cXyz delta;
    delta.x = mPos.x - other->current.pos.x;
    delta.z = mPos.z - other->current.pos.z;

    f32 distSq = delta.abs2XZ();
    if (distSq > 1600.0f)
        return;

    delta.y = mPos.y - other->current.pos.y;
    s16 rotY = cM_atan2s(delta.x, delta.z);
    f32 dist = std::sqrtf(distSq);

    dGrass_anm_c* anm;
    if (mAnimIdx < 8) {
        if (other->speedF > 16.0f) {
            cXyz pos(mPos.x, mPos.y + 20.0f, mPos.z);
            dKy_tevstr_c* tevStr = dComIfGp_roomControl_getTevStr(roomNo);
            dComIfGp_particle_setSimple(dComIfGp_getGrass()->getKusaRunPID(), &pos, 0xFF, tevStr->mColorK0, tevStr->mColorK0, 1);
            setBatta(&mPos, &tevStr->mColorK0);
        }

        s32 anmIdx = dComIfGp_getGrass()->newAnm();
        if (anmIdx < 0)
            return;
        mAnimIdx = anmIdx;
        anm = &dComIfGp_getGrass()->getAnm(mAnimIdx);
    } else {
        anm = &dComIfGp_getGrass()->getAnm(mAnimIdx);
    }

    anm->mRotY = rotY;
    anm->mRotX = cM_atan2s(40.0f - dist, 40.0f);
    anm->mState = 2;
}

/* 8007734C-800775E4       .text WorkAt_NoCutAnim__13dGrass_data_cFP10fopAc_ac_cUliP15dCcMassS_HitInfP8cCcD_Obj */
void dGrass_data_c::WorkAt_NoCutAnim(fopAc_ac_c* ac, u32 p1, int roomNo, dCcMassS_HitInf* hitInf, cCcD_Obj* hitObj) {
    dCcD_GObjInf* hitObjInf = dCcD_GetGObjInf(hitObj);
    cXyz vel = *hitObjInf->GetAtVecP();
    f32 mag = vel.abs2XZ();

    if (cM3d_IsZero(mag)) {
        if (hitObj->GetShapeAttr()->GetNVec(mPos, &vel)) {
            vel *= 5.0f;
            mag = vel.abs2XZ();
        } else {
            vel.x = mPos.x - ac->current.pos.x;
            vel.y = mPos.y - ac->current.pos.y;
            vel.z = mPos.z - ac->current.pos.z;
            mag = vel.abs2XZ();
        }
    }

    if (!cM3d_IsZero(mag)) {
        s16 angle = cM_atan2s(vel.x, vel.z);
        dGrass_anm_c* anm;
        if (mAnimIdx < 8) {
            s32 newIdx = dComIfGp_getGrass()->newAnm();
            if (newIdx < 0)
                return;
            mAnimIdx = newIdx;
            anm = &dComIfGp_getGrass()->getAnm(mAnimIdx);
        } else {
            anm = &dComIfGp_getGrass()->getAnm(mAnimIdx);
        }

        anm->mRotY = angle * (cM_rnd() * 0.2f + 0.9f);
        anm->mRotX = cM_atan2s(mag, 40.0f) * (cM_rnd() * 0.2f + 0.9f);
        anm->mState = 2;
    }
}

/* 800775EC-800777CC       .text WorkAt__13dGrass_data_cFP10fopAc_ac_cUliP15dCcMassS_HitInf */
void dGrass_data_c::WorkAt(fopAc_ac_c* ac, u32 p1, int roomNo, dCcMassS_HitInf* inf) {
    cCcD_Obj* hitObj = inf->GetAtHitObj();
    if (hitObj != NULL && (hitObj->ChkAtType(AT_TYPE_WIND) ||
        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(ac, p1, roomNo, inf, hitObj);
    } else {
        if (mAnimIdx >= 8) {
            dComIfGp_getGrass()->deleteAnm(mAnimIdx);
        }
        mAnimIdx = -1;
        static csXyz ang(0, 0, 0);
        cXyz pos(mPos.x, mPos.y + 25.0f, mPos.z);
        dKy_tevstr_c* tevStr = dComIfGp_roomControl_getTevStr(roomNo);
        dComIfGp_particle_setSimple(dComIfGp_getGrass()->getKusaKenPID(), &pos, 0xFF, tevStr->mColorK0, tevStr->mColorK0, 1);
        setBatta(&mPos, &tevStr->mColorK0);

        if (mItemIdx >= 0)
            fopAcM_createItemFromTable(&mPos, mItemIdx, -1, roomNo, daItemType_0_e, NULL, daItemAct_1_e, NULL);
        if (!l_CutSoundFlag) {
            l_CutSoundFlag = true;
            mDoAud_seStart(JA_SE_LK_CUT_GRASS, &mPos, 0, dComIfGp_getReverb(roomNo));
        }
    }
}

/* 800777CC-800779D4       .text hitCheck__13dGrass_data_cFi */
void dGrass_data_c::hitCheck(int roomNo) {
    dCcMassS_HitInf hitInf;
    fopAc_ac_c* actor;
    u32 ret = dComIfG_Ccsp()->ChkMass(&mPos, &actor, &hitInf);
    bool checkAt = (ret & 1) && (actor != NULL && fopAcM_GetName(actor) != PROC_TSUBO && fopAcM_GetName(actor) != PROC_STONE);

    if ((ret & 2) == 0 && !checkAt) {
        if (mAnimIdx >= 8) {
            dGrass_anm_c& anm = dComIfGp_getGrass()->getAnm(mAnimIdx);
            s16 rotY = anm.mRotY;
            s16 targetY = rotY & 0xe000;
            u32 origIdx = (rotY >> 13) & 0x07;
            dGrass_anm_c& origAnm = dComIfGp_getGrass()->getAnm(origIdx);
            if (anm.mState == 2) {
                mDoAud_seStart(JA_SE_FT_ADD_GRASS, &mPos, 0, dComIfGp_getReverb(roomNo));
                anm.mState = 1;
            }

            if (!cLib_addCalcAngleS(&anm.mRotX, origAnm.mRotX, 16, 4000, 100)) {
                if (cLib_chaseAngleS(&anm.mRotY, targetY, 800)) {
                    dComIfGp_getGrass()->deleteAnm(mAnimIdx);
                    mAnimIdx = (anm.mRotY >> 13) & 7;
                }
            }
        }
    } else {
        if ((ret & 2))
            WorkCo(actor, ret, roomNo);
        if (checkAt)
            WorkAt(actor, ret, roomNo, &hitInf);
    }
}

/* 80077A1C-80077A2C       .text newData__13dGrass_room_cFP13dGrass_data_c */
void dGrass_room_c::newData(dGrass_data_c* data) {
    data->mpNextData = mpData;
    mpData = data;
}

/* 80077A2C-80077A90       .text deleteData__13dGrass_room_cFv */
void dGrass_room_c::deleteData() {
    while (mpData != NULL) {
        mpData->mState = 0;
        mDoAud_seDeleteObject(&mpData->mPos);
        mpData = mpData->mpNextData;
    }
}

/* 80077A90-80077CB8       .text __ct__15dGrass_packet_cFv */
dGrass_packet_c::dGrass_packet_c() {
    dGrass_data_c* data = getData();
    for (s32 i = 0; i < ARRAY_SIZE(mGrassData); i++, data++)
        data->mState = 0;
    mNextIdx = 0;
    dGrass_anm_c* anm = getAnm();
    for (s32 i = 0; i < ARRAY_SIZE(mGrassAnm); i++, anm++)
        anm->mState = 0;
    s16 angle = 0;
    for (s32 i = 0; i < 8; i++, angle += 0x2000)
        setAnm(i, angle);
    if (strncmp(dComIfGp_getStartStageName(), "kin", sizeof("kin")-1) == 0 || strcmp(dComIfGp_getStartStageName(), "Xboss1") == 0) {
        mpPosArr = (f32*)l_Vmori_pos;
        mpColorArr = l_Vmori_color;
        mpTexCoordArr = (f32*)l_Vmori_texCoord;
        mpMatDL = l_Vmori_matDL;
        mMatDLSize = 0xa0;
        mpDL = l_Vmori_00DL;
        mDLSize = 0xa0;
        mpDLCut = l_Vmori_01DL;
        mDLCutSize = 0x80;
        mCoParticle = dPa_name::ID_IT_SN_O_KINDANKUSA_RUN;
        mAtParticle = dPa_name::ID_IT_SN_O_KINDANKUSA_KEN;
    } else {
        mpPosArr = (f32*)l_pos;
        mpColorArr = l_color;
        mpTexCoordArr = (f32*)l_texCoord;
        mpMatDL = l_matDL;
        mMatDLSize = 0xa0;
        mpDL = l_Oba_kusa_aDL;
        mDLSize = 0xa0;
        mpDLCut = l_Oba_kusa_a_cutDL;
        mDLCutSize = 0x80;
        mCoParticle = dPa_name::ID_IT_JN_O_KUSA_RUN;
        mAtParticle = dPa_name::ID_IT_JN_O_KUSA_KEN;
    }
}

/* 80077CB8-80077CC4       .text __ct__13dGrass_room_cFv */
dGrass_room_c::dGrass_room_c() {
    mpData = NULL;
}

/* 80077CC4-80077CD0       .text __ct__12dGrass_anm_cFv */
dGrass_anm_c::dGrass_anm_c() {
    mState = 0;
}

/* 80077CD0-80077CDC       .text __ct__13dGrass_data_cFv */
dGrass_data_c::dGrass_data_c() {
    mState = 0;
}

/* 80077CDC-80077E58       .text draw__15dGrass_packet_cFv */
void dGrass_packet_c::draw() {
#if VERSION > VERSION_JPN
    j3dSys.reinitGX();
    GXSetNumIndStages(0);
#endif

    static GXVtxDescList l_vtxDescList[] = {
        {GX_VA_POS, GX_INDEX8},
        {GX_VA_CLR0, GX_INDEX8},
        {GX_VA_TEX0, GX_INDEX8},
        {GX_VA_NULL, GX_NONE},
    };

    static GXVtxAttrFmtList l_vtxAttrFmtList[] = {
        {GX_VA_POS, GX_POS_XYZ, GX_F32, 0x00},
        {GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0x00},
        {GX_VA_TEX0, GX_TEX_ST, GX_F32, 0x00},
        {GX_VA_NULL, GX_POS_XYZ, GX_S8, 0x00},
    };

    GFSetVtxDescv(l_vtxDescList);
    GFSetVtxAttrFmtv(GX_VTXFMT0, l_vtxAttrFmtList);
    GFSetArray(GX_VA_POS, mpPosArr, sizeof(cXyz));
    GFSetArray(GX_VA_CLR0, mpColorArr, sizeof(*mpColorArr));
    GFSetArray(GX_VA_TEX0, mpTexCoordArr, sizeof(cXy));
    GXCallDisplayList(mpMatDL, mMatDLSize);

    dGrass_room_c* room = &mGrassRoom[0];
    for (s32 i = 0; i < (s32)ARRAY_SIZE(mGrassRoom); 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 (dGrass_data_c* data = room->mpData; data != NULL; data = data->mpNextData) {
            if (!cLib_checkBit<u8>(data->mInitFlags, 0x02)) {
                GXLoadPosMtxImm(data->mModelMtx, GX_PNMTX0);
                if (data->mAnimIdx >= 0)
                    GXCallDisplayList(mpDL, mDLSize);
                else
                    GXCallDisplayList(mpDLCut, mDLCutSize);
            }
        }
    }

#if VERSION > VERSION_JPN
    J3DShape::resetVcdVatCache();
#endif
}

/* 80077E58-80078008       .text calc__15dGrass_packet_cFv */
void dGrass_packet_c::calc() {
    dGrass_anm_c* anm = getAnm();

    f32 windSpeed = 0.0f;
    if (!mDoGph_gInf_c::isMonotone() || strcmp(dComIfGp_getStartStageName(), "Hyrule") != 0) {
        windSpeed = dKyw_get_wind_pow() * 1000.0f + 1000.0f;
        windSpeed = cLib_maxLimit(windSpeed, 2000.0f);
    }

    for (s32 i = 0; i < 8; anm++, i++) {
        anm->mRotX = windSpeed + windSpeed * cM_scos(windSpeed * (g_Counter.mTimer + (i*250)));
    }

    int roomNo = dComIfGp_roomControl_getStayNo();
    dGrass_data_c* data = mGrassRoom[roomNo].getData();
    if (data != NULL) {
        l_CutSoundFlag = false;
        dComIfG_Ccsp()->SetMassAttr(40.0f, 80.0f, 11, 0);

        while (true) {
            if (!cLib_checkBit<u8>(data->mInitFlags, 0x02) && data->mAnimIdx >= 0)
                data->hitCheck(roomNo);

            data = data->mpNextData;
            if (data == NULL)
                break;
        }
    }
}

/* 80078008-800782B8       .text checkGroundY__FR4cXyz */
static f32 checkGroundY(cXyz& pos) {
    dBgS_GndChk chk;
    pos.y += 50.0f;
    chk.SetPos(&pos);
    f32 y = dComIfG_Bgsp()->GroundCross(&chk);
    pos.y -= 50.0f;
    if (y <= -G_CM3D_F_INF)
        return pos.y;
    else
        return y;
}

/* 800782B8-800784E8       .text update__15dGrass_packet_cFv */
void dGrass_packet_c::update() {
    dGrass_anm_c* anm = getAnm();
    for (int i = 0; i < (s32)ARRAY_SIZE(mGrassAnm); i++, anm++) {
        mDoMtx_stack_c::YrotS(anm->mRotY);
        mDoMtx_stack_c::XrotM(anm->mRotX);
        mDoMtx_stack_c::YrotM(-anm->mRotY);
        mDoMtx_copy(mDoMtx_stack_c::get(), anm->mAnimMtx);
    }

    dGrass_data_c* data = getData();
    anm = getAnm();

    s32 numPerFrame = 0;

    mDoLib_clipper::changeFar(mDoLib_clipper::getFar() * 1.6363636f);
    for (int i = 0; i < (s32)ARRAY_SIZE(mGrassData); i++) {
        if (data->mState != 0) {
            if (data->mState == 1 && numPerFrame < 30) {
                data->mPos.y = checkGroundY(data->mPos);
                data->mState = 2;
                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->mInitFlags, 0x02);
            } else {
                cLib_offBit<u8>(data->mInitFlags, 0x02);
                if (data->mAnimIdx >= 0) {
                    Mtx& mtx = anm[data->mAnimIdx].mAnimMtx;
                    mtx[0][3] = data->mPos.x;
                    mtx[1][3] = data->mPos.y;
                    mtx[2][3] = data->mPos.z;
                    mDoMtx_concat(j3dSys.getViewMtx(), mtx, data->mModelMtx);
                } else {
                    mDoMtx_trans(data->mModelMtx, data->mPos.x, data->mPos.y, data->mPos.z);
                    mDoMtx_YrotM(data->mModelMtx, i * 0xDCF);
                    mDoMtx_concat(j3dSys.getViewMtx(), data->mModelMtx, data->mModelMtx);
                }
            }
        }
        data++;
    }
    mDoLib_clipper::resetFar();
    j3dSys.getDrawBuffer(0)->entryImm(this, 0);
}

/* 800784E8-800785C0       .text setData__15dGrass_packet_cFP13dGrass_data_ciR4cXyziSc */
void dGrass_packet_c::setData(dGrass_data_c* data, int nextIdx, cXyz& pos, int i_roomNo, s8 itemIdx) {
    f32 y;
    if (fopOvlpM_IsPeek()) {
        y = checkGroundY(pos);
        data->mState = 2;
    } else {
        y = pos.y;
        data->mState = 1;
    }
    cLib_setBit<u8>(data->mInitFlags, 0x02);
    data->mAnimIdx = (u8)cM_rndF(7.0f);
    data->mPos.set(pos.x, y, pos.z);
    data->mItemIdx = itemIdx;
    mGrassRoom[i_roomNo].newData(data);
    mNextIdx = nextIdx;
}

/* 800785C0-800786FC       .text newData__15dGrass_packet_cFR4cXyziSc */
dGrass_data_c* dGrass_packet_c::newData(cXyz& pos, int i_roomNo, s8 itemIdx) {
    JUT_ASSERT(VERSION_SELECT(1530, 1530, 1536, 1536), 0 <= i_roomNo && i_roomNo < 64);

    dGrass_data_c* data = &mGrassData[mNextIdx];
    s32 i = mNextIdx;
    for (; i < (s32)ARRAY_SIZE(mGrassData); data++, i++) {
        if (data->mState == 0) {
            setData(data, i, pos, i_roomNo, itemIdx);
            return data;
        }
    }

    data = getData();
    for (i = 0; i < mNextIdx; data++, i++) {
        if (data->mState == 0) {
            setData(data, i, pos, i_roomNo, itemIdx);
            return data;
        }
    }

    return NULL;
}

/* 800786FC-80078748       .text newAnm__15dGrass_packet_cFv */
s32 dGrass_packet_c::newAnm() {
    dGrass_anm_c* anm = &getAnm(8);
    for (s32 i = 8; i < 104; anm++, i++) {
        if (anm->mState == 0) {
            anm->mState = 1;
            anm->mRotY = 0;
            anm->mRotX = 0;
            return i;
        }
    }
    return -1;
}

/* 80078748-80078770       .text setAnm__15dGrass_packet_cFis */
void dGrass_packet_c::setAnm(int idx, s16 angleY) {
    dGrass_anm_c& anm = getAnm(idx);
    anm.mState = 1;
    anm.mRotY = angleY;
    anm.mRotX = 0;
}