0ct0pu5/wesnoth
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

added 'allow_undo' command...

Browse source 
...which allows a scenario designer to specify that players may undo
moves that trigger events
This commit is contained in:
Dave White 2004-11-30 00:54:46 +00:00
parent cf88a63b01
commit 5e75ded6fd
1 changed files with 15 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
src/game_events.cpp
View file

@ -187,10 +187,10 @@ public:
return cfg_->get_children("filter_second");
}
void handle_event(const queued_event& event_info, const config* cfg=NULL);
bool handle_event(const queued_event& event_info, const config* cfg=NULL);
private:
bool handle_event_command(const queued_event& event_info, const std::string& cmd, const config& cfg);
bool handle_event_command(const queued_event& event_info, const std::string& cmd, const config& cfg, bool& mutated);
std::string name_;
bool first_time_only_;
@ -207,7 +207,7 @@ std::multimap<std::string,event_handler> events_map;
//this function handles all the different types of actions that can be triggered
//by an event.
bool event_handler::handle_event_command(const queued_event& event_info, const std::string& cmd, const config& cfg)
bool event_handler::handle_event_command(const queued_event& event_info, const std::string& cmd, const config& cfg, bool& mutated)
{
log_scope2(engine, "handle_event_command");
LOG_NG << "handling command: '" << cmd << "'\n";
@ -218,6 +218,10 @@ bool event_handler::handle_event_command(const queued_event& event_info, const s
handle_event(event_info,&cfg);
}
//allow undo sets the flag saying whether the event has mutated the game to false
else if(cmd == "allow_undo") {
mutated = false;
}
//change shroud settings for portions of the map
else if(cmd == "remove_shroud" || cmd == "place_shroud") {
const bool remove = cmd == "remove_shroud";
@ -1242,11 +1246,13 @@ bool event_handler::handle_event_command(const queued_event& event_info, const s
return rval;
}
void event_handler::handle_event(const queued_event& event_info, const config* cfg)
bool event_handler::handle_event(const queued_event& event_info, const config* cfg)
{
if(cfg == NULL)
cfg = cfg_;
bool mutated = true;
bool skip_messages = false;
for(config::all_children_iterator i = cfg->ordered_begin();
i != cfg->ordered_end(); ++i) {
@ -1260,13 +1266,15 @@ void event_handler::handle_event(const queued_event& event_info, const config* c
}
}
if (!handle_event_command(event_info,*item.first,*item.second)) {
if (!handle_event_command(event_info,*item.first,*item.second,mutated)) {
skip_messages = true;
}
else {
skip_messages = false;
}
}
return mutated;
}
bool filter_loc_impl(const gamemap::location& loc, const std::string& xloc,
@ -1362,13 +1370,13 @@ bool process_event(event_handler& handler, const queued_event& ev)
}
//the event hasn't been filtered out, so execute the handler
handler.handle_event(ev);
const bool res = handler.handle_event(ev);
if(handler.first_time_only()) {
handler.disable();
}
return true;
return res;
}
void get_variable_internal(const std::string& key, config& cfg,