diff options
Diffstat (limited to 'src/map/vending.c')
| -rw-r--r-- | src/map/vending.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/src/map/vending.c b/src/map/vending.c new file mode 100644 index 000000000..53fa281f3 --- /dev/null +++ b/src/map/vending.c @@ -0,0 +1,261 @@ +// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
+// For more information, see LICENCE in the main folder
+
+#include <stdio.h>
+#include <string.h>
+
+#include "../common/nullpo.h"
+#include "clif.h"
+#include "itemdb.h"
+#include "atcommand.h"
+#include "map.h"
+#include "chrif.h"
+#include "vending.h"
+#include "pc.h"
+#include "skill.h"
+#include "battle.h"
+#include "log.h"
+
+/*==========================================
+ * 露店閉鎖
+ *------------------------------------------
+*/
+void vending_closevending(struct map_session_data *sd)
+{
+
+ nullpo_retv(sd);
+
+ sd->vender_id=0;
+ clif_closevendingboard(&sd->bl,0);
+}
+
+/*==========================================
+ * 露店アイテムリスト要求
+ *------------------------------------------
+ */
+void vending_vendinglistreq(struct map_session_data *sd,int id)
+{
+ struct map_session_data *vsd;
+
+ nullpo_retv(sd);
+
+ if( (vsd=map_id2sd(id)) == NULL )
+ return;
+ if(vsd->vender_id==0)
+ return;
+ clif_vendinglist(sd,id,vsd->vending);
+}
+
+/*==========================================
+ * 露店アイテム購入
+ *------------------------------------------
+ */
+void vending_purchasereq(struct map_session_data *sd,int len,int id,unsigned char *p)
+{
+ int i, j, w, new_ = 0, blank, vend_list[MAX_VENDING];
+ double z;
+ unsigned short amount;
+ short idx;
+ struct map_session_data *vsd = map_id2sd(id);
+ struct vending vending[MAX_VENDING]; // against duplicate packets
+
+ nullpo_retv(sd);
+
+ if (vsd == NULL)
+ return;
+ if (vsd->vender_id == 0)
+ return;
+ if (vsd->vender_id == sd->bl.id)
+ return;
+
+ // check number of buying items
+ if (len < 8 + 4 || len > 8 + 4 * MAX_VENDING) {
+ clif_buyvending(sd, 0, 32767, 4); // not enough quantity (index and amount are unknown)
+ return;
+ }
+
+ blank = pc_inventoryblank(sd); //number of free cells in the buyer's inventory
+
+ // duplicate item in vending to check hacker with multiple packets
+ memcpy(&vending, &vsd->vending, sizeof(struct vending) * MAX_VENDING); // copy vending list
+
+ // some checks
+ z = 0.;
+ w = 0;
+ for(i = 0; 8 + 4 * i < len; i++) {
+ amount = *(unsigned short*)(p + 4 * i);
+ idx = *(short*)(p + 2 + 4 * i) - 2;
+
+ if (amount <= 0)
+ return;
+
+ // check of item index in the cart
+ if (idx < 0 || idx >= MAX_CART)
+ return;
+
+ for(j = 0; j < vsd->vend_num; j++) {
+ if (vsd->vending[j].index == idx) {
+ vend_list[i] = j;
+ break;
+ }
+ }
+ if (j == vsd->vend_num)
+ return; //picked non-existing item
+
+ z += ((double)vsd->vending[j].value * (double)amount);
+ if (z > (double)sd->status.zeny || z < 0. || z > (double)MAX_ZENY) { // fix positiv overflow (buyer)
+ clif_buyvending(sd, idx, amount, 1); // you don't have enough zeny
+ return; // zenys'<
+ }
+ if (z + (double)vsd->status.zeny > (double)MAX_ZENY) { // fix positiv overflow (merchand)
+ clif_buyvending(sd, idx, vsd->vending[j].amount, 4); // too much zeny = overflow
+ return; // zenys'<
+ }
+ w += itemdb_weight(vsd->status.cart[idx].nameid) * amount;
+ if (w + sd->weight > sd->max_weight) {
+ clif_buyvending(sd, idx, amount, 2); // you can not buy, because overweight
+ return;
+ }
+
+ if (vending[j].amount > vsd->status.cart[idx].amount) //Check to see if cart/vend info is in sync.
+ vending[j].amount = vsd->status.cart[idx].amount;
+
+ // if they try to add packets (example: get twice or more 2 apples if marchand has only 3 apples).
+ // here, we check cumulativ amounts
+ if (vending[j].amount < amount) {
+ // send more quantity is not a hack (an other player can have buy items just before)
+ clif_buyvending(sd, idx, vsd->vending[j].amount, 4); // not enough quantity
+ return;
+ } else
+ vending[j].amount -= amount;
+
+ switch(pc_checkadditem(sd, vsd->status.cart[idx].nameid, amount)) {
+ case ADDITEM_EXIST:
+ break; //We'd add this item to the existing one (in buyers inventory)
+ case ADDITEM_NEW:
+ new_++;
+ if (new_ > blank)
+ return; //Buyer has no space in his inventory
+ break;
+ case ADDITEM_OVERAMOUNT:
+ return; //too many items
+ }
+ }
+
+ //Logs (V)ending Zeny [Lupus]
+ if(log_config.zeny > 0 )
+ log_zeny(vsd, "V", sd, (int)z);
+ //Logs
+
+ pc_payzeny(sd, (int)z);
+ pc_getzeny(vsd, (int)z);
+
+ for(i = 0; 8 + 4 * i < len; i++) {
+ amount = *(short*)(p + 4 *i);
+ idx = *(short*)(p + 2 + 4 * i) - 2;
+ //if (amount < 0) break; // tested at start of the function
+
+ //Logs sold (V)ending items [Lupus]
+ if(log_config.pick > 0 ) {
+ log_pick(vsd, "V", 0, vsd->status.cart[idx].nameid, -amount, (struct item*)&vsd->status.cart[idx]);
+ log_pick( sd, "V", 0, vsd->status.cart[idx].nameid, amount, (struct item*)&vsd->status.cart[idx]);
+ }
+ //Logs
+
+ //Old VENDING log added by Lupus
+ if(log_config.vend > 0) {
+ log_vend(sd,vsd, idx, amount, (int)z); // for Item + Zeny. log.
+ //we log ZENY only with the 1st item. Then zero it for the rest items
+ z = 0;
+ }
+
+ // vending item
+ pc_additem(sd, &vsd->status.cart[idx], amount);
+ vsd->vending[vend_list[i]].amount -= amount;
+ pc_cart_delitem(vsd, idx, amount, 0);
+ clif_vendingreport(vsd, idx, amount);
+
+ //print buyer's name
+ if(battle_config.buyer_name) {
+ char temp[256];
+ sprintf(temp, msg_txt(265), sd->status.name);
+ clif_disp_onlyself(vsd,temp,strlen(temp));
+ }
+ }
+
+ //Always save BOTH: buyer and customer
+ chrif_save(sd,0);
+ chrif_save(vsd,0);
+ //check for @AUTOTRADE users [durf]
+ if (vsd->state.autotrade)
+ {
+ //Close Vending (this was automatically done by the client, we have to do it manually for autovenders) [Skotlex]
+ for(i = 0; i < vsd->vend_num && vsd->vending[i].amount < 1; i++);
+ if (i == vsd->vend_num)
+ {
+ vending_closevending(vsd);
+ map_quit(vsd); //They have no reason to stay around anymore, do they?
+ }
+ }
+}
+
+/*==========================================
+ * 露店開設
+ *------------------------------------------
+ */
+void vending_openvending(struct map_session_data *sd,int len,char *message,int flag,unsigned char *p)
+{
+ int i, j;
+ int vending_skill_lvl;
+ nullpo_retv(sd);
+
+ //check shopname len
+ if(message[0] == '\0')
+ return;
+
+ vending_skill_lvl = pc_checkskill(sd, MC_VENDING);
+ if(!vending_skill_lvl || !pc_iscarton(sd)) { // cart skill and cart check [Valaris]
+ clif_skill_fail(sd,MC_VENDING,0,0);
+ return;
+ }
+
+ if (flag) {
+ // check number of items in shop
+ if (len < 85 + 8 || len > 85 + 8 * MAX_VENDING || len > 85 + 8 * (2 + vending_skill_lvl)) {
+ clif_skill_fail(sd, MC_VENDING, 0, 0);
+ return;
+ }
+ for(i = 0, j = 0; (85 + 8 * j < len) && (i < MAX_VENDING); i++, j++) {
+ sd->vending[i].index = *(short*)(p+8*j)-2;
+ if (sd->vending[i].index < 0 || sd->vending[i].index >= MAX_CART ||
+ !itemdb_cantrade(sd->status.cart[sd->vending[i].index].nameid, pc_isGM(sd), pc_isGM(sd)))
+ {
+ i--; //Preserve the vending index, skip to the next item.
+ continue;
+ }
+ sd->vending[i].amount = *(short*)(p+2+8*j);
+ sd->vending[i].value = *(int*)(p+4+8*j);
+ if(sd->vending[i].value > battle_config.vending_max_value)
+ sd->vending[i].value=battle_config.vending_max_value;
+ else if(sd->vending[i].value < 1)
+ sd->vending[i].value = 1000000; // auto set to 1 million [celest]
+ // カート内のアイテム数と販売するアイテム数に相違があったら中止
+ if(pc_cartitem_amount(sd, sd->vending[i].index, sd->vending[i].amount) < 0 || sd->vending[i].value < 0) { // fixes by Valaris and fritz
+ clif_skill_fail(sd, MC_VENDING, 0, 0);
+ return;
+ }
+ }
+ if (i != j)
+ { //Some items were not vended. [Skotlex]
+ clif_displaymessage (sd->fd, msg_txt(266));
+ }
+ sd->vender_id = sd->bl.id;
+ sd->vend_num = i;
+ memcpy(sd->message,message, MESSAGE_SIZE-1);
+ if (clif_openvending(sd,sd->vender_id,sd->vending) > 0)
+ clif_showvendingboard(&sd->bl,message,0);
+ else
+ sd->vender_id = 0;
+ }
+}
+
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