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Fix builtin inventory list crash when size = 0 (#7297)

master
SmallJoker 2018-05-05 22:37:07 +02:00 committed by GitHub
parent 21c720755b
commit d99a033fd6
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 11 additions and 7 deletions
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2
src/remoteplayer.cpp
View File

@ -141,7 +141,7 @@ void RemotePlayer::deSerialize(std::istream &is, const std::string &playername,
inventory.deSerialize(is);
if (inventory.getList("craftpreview") == NULL) {
if (!inventory.getList("craftpreview") && inventory.getList("craftresult")) {
// Convert players without craftpreview
inventory.addList("craftpreview", 1);

2
src/script/cpp_api/s_item.cpp
View File

@ -177,7 +177,7 @@ bool ScriptApiItem::item_CraftPredict(ItemStack &item, ServerActiveObject *user,
const InventoryList *old_craft_grid, const InventoryLocation &craft_inv)
{
SCRIPTAPI_PRECHECKHEADER
sanity_check(old_craft_grid);
int error_handler = PUSH_ERROR_HANDLER(L);
lua_getglobal(L, "core");

14
src/server.cpp
View File

@ -2685,6 +2685,10 @@ void Server::DeleteClient(session_t peer_id, ClientDeletionReason reason)
void Server::UpdateCrafting(RemotePlayer *player)
{
InventoryList *clist = player->inventory.getList("craft");
if (!clist || clist->getSize() == 0)
return;
// Get a preview for crafting
ItemStack preview;
InventoryLocation loc;
@ -2692,13 +2696,13 @@ void Server::UpdateCrafting(RemotePlayer *player)
std::vector<ItemStack> output_replacements;
getCraftingResult(&player->inventory, preview, output_replacements, false, this);
m_env->getScriptIface()->item_CraftPredict(preview, player->getPlayerSAO(),
(&player->inventory)->getList("craft"), loc);
clist, loc);
// Put the new preview in
InventoryList *plist = player->inventory.getList("craftpreview");
sanity_check(plist);
sanity_check(plist->getSize() >= 1);
plist->changeItem(0, preview);
if (plist && plist->getSize() >= 1) {
// Put the new preview in
plist->changeItem(0, preview);
}
}
void Server::handleChatInterfaceEvent(ChatEvent *evt)