Function MAI_Snake

Source/monster.cpp:3024–3105

}

void MAI_Snake(int i)
{
	MonsterStruct *Monst;
	int fx, fy, mx, my, md;
	int pnum;
	int tmp;

	if ((DWORD)i >= MAXMONSTERS) {
		app_fatal("MAI_Snake: Invalid monster %d", i);
	}
	char pattern[6] = { 1, 1, 0, -1, -1, 0 };
	Monst = monster + i;
	pnum = Monst->_menemy;
	if (Monst->_mmode != MM_STAND || Monst->_msquelch == 0)
		return;
	fx = Monst->_menemyx;
	fy = Monst->_menemyy;
	mx = Monst->_mx - fx;
	my = Monst->_my - fy;
	md = GetDirection(Monst->_mx, Monst->_my, Monst->_lastx, Monst->_lasty);
	Monst->_mdir = md;
	if (abs(mx) >= 2 || abs(my) >= 2) {
		if (abs(mx) < 3 && abs(my) < 3 && LineClearF1(PosOkMonst, i, Monst->_mx, Monst->_my, fx, fy) && Monst->_mVar1 != MM_CHARGE) {
			if (AddMissile(Monst->_mx, Monst->_my, fx, fy, md, MIS_RHINO, pnum, i, 0, 0) != -1) {
				PlayEffect(i, 0);
				dMonster[Monst->_mx][Monst->_my] = -(i + 1);
				Monst->_mmode = MM_CHARGE;
			}
		} else if (Monst->_mVar1 == MM_DELAY || random_(106, 100) >= 35 - 2 * Monst->_mint) {
			if (md + pattern[Monst->_mgoalvar1] < 0) {
				tmp = md + pattern[Monst->_mgoalvar1] + 8;
			} else {
				tmp = md + pattern[Monst->_mgoalvar1] - 8;
				if (md + pattern[Monst->_mgoalvar1] < 8)
					tmp = md + pattern[Monst->_mgoalvar1];
			}
			Monst->_mgoalvar1++;
			if (Monst->_mgoalvar1 > 5)
				Monst->_mgoalvar1 = 0;
			if (tmp - Monst->_mgoalvar2 < 0) {
				md = tmp - Monst->_mgoalvar2 + 8;
			} else if (tmp - Monst->_mgoalvar2 >= 8) {
				md = tmp - Monst->_mgoalvar2 - 8;
			} else
				md = tmp - Monst->_mgoalvar2;
			if (md > 0) {
				if (md < 4) {
					if (Monst->_mgoalvar2 + 1 < 0) {
						md = Monst->_mgoalvar2 + 9;
					} else if (Monst->_mgoalvar2 + 1 >= 8) {
						md = Monst->_mgoalvar2 - 7;
					} else
						md = Monst->_mgoalvar2 + 1;
					Monst->_mgoalvar2 = md;
				} else if (md == 4) {
					Monst->_mgoalvar2 = tmp;
				} else {
					if (Monst->_mgoalvar2 - 1 < 0) {