1 files changed, 125 insertions, 0 deletions
diff --git a/world/map/npc/functions/default_npc_checks.txt b/world/map/npc/functions/default_npc_checks.txt
new file mode 100644
index 00000000..4ddd00ca
--- /dev/null
+++ b/world/map/npc/functions/default_npc_checks.txt
@@ -0,0 +1,125 @@
+// Default NPC Checks
+// Author: Wushin
+
+// Range
+// Map, X, Y, Distance in Tiles
+// setarray $@npc_loc, 24, 113, 4;
+function|script|PCtoNPCRange|,
+{
+    set @npc_check, 0;
+    set $@Nmap$, getmap() + ".gat";
+    set $@Nx1, ($@npc_loc[0] - $@npc_loc[2]);
+    set $@Ny1, ($@npc_loc[1] - $@npc_loc[2]);
+    set $@Nx2, ($@npc_loc[0] + $@npc_loc[2]);
+    set $@Ny2, ($@npc_loc[1] + $@npc_loc[2]);
+    if (isin($@Nmap$, $@Nx1, $@Ny1, $@Nx2, $@Ny2))
+        goto L_Return;
+    set @npc_check, 1;
+    goto L_Return;
+
+L_Return:
+    return;
+}
+
+// Inventory & Weight
+// setarray @delitem_names$ Items to delete
+// @delitem_counts Counts of Items to delete
+// @getitem_names$ Items to get
+// @getitem_counts Counts of Items to get
+function|script|CheckInventory|,
+{
+    set @del_loop, 0;
+    set @get_loop, 0;
+    set @delitem_loop, 0;
+    set @getitem_loop, 0;
+    set @check_fail, 0;
+
+    if (getarraysize(@delitem_names$))
+        goto L_DelItemsLoop;
+    goto L_CheckGet;
+
+L_DelItemsLoop:
+    if(countitem(@delitem_names$[@delitem_loop]) >= @delitem_counts[@delitem_loop])
+        goto L_DelLoopAgain;
+    goto L_ReturnMissing;
+
+L_DelLoopAgain:
+    if((@delitems_loop + 1) == getarraysize(@delitems_names$))
+        goto L_CheckGet;
+    set @delitems_loop, (@delitems_loop + 1);
+    goto L_DelItemsLoop;
+
+L_CheckGet:
+    if (getarraysize(@getitem_names$))
+        goto L_CheckWeight;
+    goto L_DelCheck;
+
+L_CheckWeight:
+    getinventorylist;
+    if (@inventorylist_count < (101 - getarraysize(@getitem_names$)))
+        goto L_ReturnSpace;
+    goto L_GetItemsLoop;
+
+L_GetItemsLoop:
+    if (checkweight(@getitem_names$, 1) == 0)
+        goto L_GetLoopAgain;
+    goto L_ReturnWeight;
+
+L_GetLoopAgain:
+    if((@getitems_loop + 1) == getarraysize(@getitems_names$))
+        goto L_DelCheck;
+    set @getitems_loop, (@getitems_loop + 1);
+    goto L_GetItemsLoop;
+
+L_DelCheck:
+    if (getarraysize(@delitem_names$))
+        goto L_DelLoop;
+    goto L_CheckGet2;
+
+L_DelLoop:
+    delitem @delitem_names$[@del_loop], @delitem_counts[@del_loop];
+    goto L_DelAgain;
+
+L_DelAgain:
+    if((@del_loop + 1) == getarraysize(@delitems_names$))
+        goto L_GetLoop;
+    set @del_loop, (@del_loop + 1);
+    goto L_DelLoop;
+
+L_CheckGet2:
+    if (getarraysize(@getitem_names$))
+        goto L_GetLoop;
+    goto L_Return;
+
+L_GetLoop:
+    getitem @getitem_names$[@get_loop], @getitem_counts[@get_loop];
+    goto L_GetAgain;
+
+L_GetAgain:
+    if((@get_loop + 1) == getarraysize(@getitems_names$))
+        goto L_Return;
+    set @get_loop, (@get_loop + 1);
+    goto L_GetLoop;
+
+L_ReturnMissing:
+    mes "\"You are missing required items.\"";
+    set @check_fail, 1;
+    goto L_Return;
+
+L_ReturnWeight:
+    mes "\"You need to be carrying less weight.\"";
+    next;
+    set @check_fail, 1;
+    goto L_Return;
+
+L_ReturnSpace:
+    mes "\"You need more room in your inventory.\"";
+    next;
+    set @check_fail, 1;
+    goto L_Return;
+
+L_Return:
+    cleararray @delitem_names$, "", getarraysize(@delitem_names$);
+    cleararray @getitem_names$, "", getarraysize(@getitem_names$);
+    return;
+}