path: root/world/map/npc/items/anchor_stone.txt

function|script|useAnchorStone
{
    addtimer 0, "AS_Core::OnUse";
    return;
}

-|script|AS_Core|32767
{
    end;

OnUse:
    if ( @StoneName$ == "AnchorStone" ) goto L_AnchorStone;
    if ( @StoneName$ == "AnchoredAnchorStone" ) goto L_AnchoredAnchorStone;
    goto L_Close;

L_AnchorStone:
    mes "\"You really want to bind the [@@" + AnchorStone + "|@@] to this place?\"";
    menu
        "No", L_Close,
        "Yes", L_AS_Yes;

L_AS_Yes:
    set AnchorStoneDest, getmaphash(getmap()); // since a hash could be negative I take a separate variable for that since shifting would destroy the sign bit and create a different hash
    set AnchorStoneDestCoord, gety() << AS_Y_SHIFT | getx() << AS_X_SHIFT;

    delitem AnchorStone, 1;
    getitem AnchoredAnchorStone, 1;
    close;

L_AnchoredAnchorStone:
    if ((AnchorStoneDest < 1) && (AnchorStoneDest > -1)) goto L_AAS_Error;
    mes "\"You want to recall to the place the [@@" + AnchoredAnchorStone + "|@@] is bound to?\"";
    menu
        "No", L_Close,
        "Yes", L_AAS_Yes;

L_AAS_Yes:
    warp getmapnamefromhash(AnchorStoneDest), (AnchorStoneDestCoord & AS_X_MASK >> AS_X_SHIFT), (AnchorStoneDestCoord & AS_Y_MASK >> AS_Y_SHIFT);

    goto L_AAStoAS;

L_AAS_Error:
    mes "\"Something went wrong the [@@" + AnchoredAnchorStone + "|@@] lost its destination and turns back to normal.\"";
    goto L_AAStoAS;

L_AAStoAS:
    set AnchorStoneDest, 0;
    set AnchorStoneDestCoord, 0;

    delitem AnchoredAnchorStone, 1;
    getitem AnchorStone, 1;
    close;

L_Close:
    close;
}