X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fgame%2Feventobserver.cpp;fp=source%2Fgame%2Feventobserver.cpp;h=440d2994b776e340f16064cc72869bc89ed20d81;hb=6a93721ab67315e916f6c649b1f7bc5447d611a4;hp=0000000000000000000000000000000000000000;hpb=b644c89c81d89f60a0d82fe208fc76ce1c278a4c;p=libs%2Fgame.git

diff --git a/source/game/eventobserver.cpp b/source/game/eventobserver.cpp
new file mode 100644
index 0000000..440d299
--- /dev/null
+++ b/source/game/eventobserver.cpp
@@ -0,0 +1,24 @@
+#include "eventobserver.h"
+#include "eventsource.h"
+
+namespace Msp::Game {
+
+EventObserver::EventObserver(EventBus &b):
+	bus(b)
+{ }
+
+EventObserver::~EventObserver()
+{
+	bus.remove_observer(*this);
+	for(EventSourceBase *s: observed_sources)
+		s->remove_observer(*this);
+}
+
+void EventObserver::remove_source(EventSourceBase &src)
+{
+	auto i = lower_bound(observed_sources, &src);
+	if(i!=observed_sources.end() && *i==&src)
+		observed_sources.erase(i);
+}
+
+} // namespace Msp::Game