update codes #10
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update codes #10
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For event_statistic, add a type() method. For event_transformation, add a fields() method. Consolidate the type of all these field lookup objects as std::unordered_map<std::string, cata_variant_type> (previously some places had used std::map).
We can expect this to happen when loading old saves, so we must expect it.
Detect various forms of error at verification time.
I didn't think this comment was sufficient to explain the mysterious "throw" here.
The optional deserialize overload wasn't propagating errors to its caller properly, leadning to some JSON issues not being reported.
Flail weapon balance (Part 2 of melee weapon balance project)
Achievement type safety
RedShakespeare
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May 10, 2020
The function `are_requirements_nearby` accesses `player::backlog::front()`, which causes UB when the `backlog` list is empty. This is usually checked by the caller, but there is at least one way to reach this function without that check: ``` #2 0x000000000083dfaa in string_id<activity_type>::operator== (rhs=..., this=0xdf1b460) at src/player_activity.h:93 #3 are_requirements_nearby (loot_spots=std::vector of length 21, capacity 32 = {...}, needed_things=..., p=..., activity_to_restore=..., in_loot_zones=true, src_loc=...) at src/activity_item_handling.cpp:1113 #4 0x0000000000843a46 in generic_multi_activity_check_requirement (p=..., act_id=..., act_info=..., src=..., src_loc=..., src_set=std::unordered_set with 1 element = {...}, check_only=false) at src/activity_item_handling.cpp:2676 #5 0x0000000000852813 in generic_multi_activity_handler (act=..., p=..., check_only=check_only@entry=false) at src/activity_item_handling.cpp:2885 #6 0x0000000000800896 in activity_handlers::multiple_butcher_do_turn (act=<optimized out>, p=<optimized out>) at src/activity_handlers.cpp:3822 #7 0x000000000082b248 in std::_Function_handler<void (player_activity*, player*), void (*)(player_activity*, player*)>::_M_invoke(std::_Any_data const&, player_activity*&&, player*&&) (__functor=..., __args#0=<optimized out>, __args#1=<optimized out>) at /usr/include/c++/8/bits/std_function.h:88 #8 0x00000000008630e3 in std::function<void (player_activity*, player*)>::operator()(player_activity*, player*) const (this=<optimized out>, __args#0=<optimized out>, __args#0@entry=0xdf1b330, __args#1=<optimized out>, __args#1@entry=0xdf1ae50) at /usr/include/c++/8/bits/std_function.h:260 #9 0x0000000000860306 in activity_type::call_do_turn (this=0x2c3c930, act=act@entry=0xdf1b330, p=p@entry=0xdf1ae50) at src/activity_type.cpp:118 #10 0x00000000014a968b in player_activity::do_turn (this=this@entry=0xdf1b330, p=...) at src/player_activity.cpp:237 #11 0x00000000013092a4 in npc::do_player_activity (this=this@entry=0xdf1ae50) at src/npcmove.cpp:3299 #12 0x0000000001322a07 in npc::execute_action (this=this@entry=0xdf1ae50, action=<optimized out>, action@entry=npc_player_activity) at src/npcmove.cpp:1237 #13 0x000000000132690a in npc::move (this=this@entry=0xdf1ae50) at src/npcmove.cpp:907 ``` This adds a simple check within the function.
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