Function StartWalk2

Source/player.cpp:1300–1379

#if defined(__clang__) || defined(__GNUC__)
__attribute__((no_sanitize("shift-base")))
#endif
void StartWalk2(int pnum, int xvel, int yvel, int xoff, int yoff, int xadd, int yadd, int EndDir, int sdir)
{
	int px, py;

	if ((DWORD)pnum >= MAX_PLRS) {
		app_fatal("StartWalk2: illegal player %d", pnum);
	}

	if (plr[pnum]._pInvincible && !plr[pnum]._pHitPoints && pnum == myplr) {
		SyncPlrKill(pnum, -1);
		return;
	}

	SetPlayerOld(pnum);
	px = xadd + plr[pnum].WorldX;
	py = yadd + plr[pnum].WorldY;

	if (!PlrDirOK(pnum, EndDir)) {
		return;
	}

	plr[pnum]._px = px;
	plr[pnum]._py = py;

	if (pnum == myplr) {
		ScrollInfo._sdx = plr[pnum].WorldX - ViewX;
		ScrollInfo._sdy = plr[pnum].WorldY - ViewY;
	}

	dPlayer[plr[pnum].WorldX][plr[pnum].WorldY] = -1 - pnum;
	plr[pnum]._pVar1 = plr[pnum].WorldX;
	plr[pnum]._pVar2 = plr[pnum].WorldY;
	plr[pnum].WorldX = px;
	plr[pnum].WorldY = py;
	dPlayer[plr[pnum].WorldX][plr[pnum].WorldY] = pnum + 1;
	plr[pnum]._pxoff = xoff;
	plr[pnum]._pyoff = yoff;

	ChangeLightXY(plr[pnum]._plid, plr[pnum].WorldX, plr[pnum].WorldY);
	PM_ChangeLightOff(pnum);

	plr[pnum]._pmode = PM_WALK2;
	plr[pnum]._pxvel = xvel;
	plr[pnum]._pyvel = yvel;
	plr[pnum]._pVar6 = xoff * 256;
	plr[pnum]._pVar7 = yoff * 256;
	plr[pnum]._pVar3 = EndDir;

	if (!(plr[pnum]._pGFXLoad & PFILE_WALK)) {
		LoadPlrGFX(pnum, PFILE_WALK);
	}
	NewPlrAnim(pnum, plr[pnum]._pWAnim[EndDir], plr[pnum]._pWFrames, 0, plr[pnum]._pWWidth);

	plr[pnum]._pdir = EndDir;
	plr[pnum]._pVar8 = 0;