From e732f10d32f96837f5787ab946bdbe6ba6bf6f2a Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Sat, 24 Dec 2022 01:56:28 +0100
Subject: Added end event to mark end of a battle

---
 kurator/src/Battle.cpp           |  9 +++++++++
 kurator/src/Battle.h             |  1 +
 sim/include/kurator/sim/events.h |  5 +++++
 sim/src/BaseBattle.cpp           |  1 +
 sim/src/TeamManager.cpp          | 12 ++++++++++++
 sim/src/TeamManager.h            |  2 ++
 6 files changed, 30 insertions(+)

diff --git a/kurator/src/Battle.cpp b/kurator/src/Battle.cpp
index d5390ae..920c444 100644
--- a/kurator/src/Battle.cpp
+++ b/kurator/src/Battle.cpp
@@ -34,6 +34,7 @@ Battle::Battle(std::shared_ptr<Session> _session) :
 	battle {sim::prepare(campaign::scenarios::example())},
 	time_factor {1.0}
 {
+	battle->dispatcher().sink<sim::End>().connect<&Battle::on_end>(*this);
 	battle->dispatcher().sink<sim::Hit>().connect<&Battle::on_hit>(*this);
 	battle->dispatcher().sink<stats::ShipLeft>().connect<&Battle::on_ship_left>(*this);
 	auto& registry = battle->registry();
@@ -47,6 +48,7 @@ Battle::Battle(std::shared_ptr<Session> _session) :
 
 Battle::~Battle()
 {
+	battle->dispatcher().sink<sim::End>().disconnect(*this);
 	battle->dispatcher().sink<sim::Hit>().disconnect(*this);
 	battle->dispatcher().sink<stats::ShipLeft>().disconnect(*this);
 }
@@ -138,6 +140,13 @@ Battle::draw() const
 
 
 void
+Battle::on_end(const sim::End&)
+{
+	session->set(std::make_shared<Log>(session, log));
+}
+
+
+void
 Battle::on_hit(const sim::Hit& hit)
 {
 	auto& registry = battle->registry();
diff --git a/kurator/src/Battle.h b/kurator/src/Battle.h
index 1ebfa35..918ec1c 100644
--- a/kurator/src/Battle.h
+++ b/kurator/src/Battle.h
@@ -23,6 +23,7 @@ public:
 	virtual ~Battle();
 	void update(float dt) override;
 	void draw() const override;
+	void on_end(const sim::End& end);
 	void on_hit(const sim::Hit& hit);
 	void on_ship_left(const stats::ShipLeft& event);
 private:
diff --git a/sim/include/kurator/sim/events.h b/sim/include/kurator/sim/events.h
index cacf443..71ce098 100644
--- a/sim/include/kurator/sim/events.h
+++ b/sim/include/kurator/sim/events.h
@@ -17,5 +17,10 @@ struct Hit
 };
 
 
+struct End
+{
+};
+
+
 }  // namespace sim
 }  // namespace kurator
diff --git a/sim/src/BaseBattle.cpp b/sim/src/BaseBattle.cpp
index 449cddb..4b65139 100644
--- a/sim/src/BaseBattle.cpp
+++ b/sim/src/BaseBattle.cpp
@@ -60,6 +60,7 @@ BaseBattle::update(const float dt)
 	turrets(dt);
 	kill_off_dead();
 	manager.clear(_registry);  // registry supports on destructions events
+	manager.update(_dispatcher);
 }
 
 
diff --git a/sim/src/TeamManager.cpp b/sim/src/TeamManager.cpp
index b792297..d26ed67 100644
--- a/sim/src/TeamManager.cpp
+++ b/sim/src/TeamManager.cpp
@@ -6,6 +6,9 @@
 #include <utility>
 
 #include <entt/entity/registry.hpp>
+#include <entt/signal/dispatcher.hpp>
+
+#include <kurator/sim/events.h>
 
 
 namespace kurator
@@ -64,5 +67,14 @@ TeamManager::clear(entt::registry& registry)
 }
 
 
+void
+TeamManager::update(entt::dispatcher& dispatcher)
+{
+	const auto left = std::count_if(teams.begin(), teams.end(), [](const Team& team){ return team.size() > 0; });
+	if (left < 2)
+		dispatcher.trigger(End{});
+}
+
+
 }  // namespace sim
 }  // namespace kurator
diff --git a/sim/src/TeamManager.h b/sim/src/TeamManager.h
index 050af94..502bed2 100644
--- a/sim/src/TeamManager.h
+++ b/sim/src/TeamManager.h
@@ -4,6 +4,7 @@
 #include <vector>
 
 #include <entt/entity/registry.hpp>
+#include <entt/signal/dispatcher.hpp>
 
 
 namespace kurator
@@ -21,6 +22,7 @@ public:
 	Team get(int team) const;
 	entt::entity random(int exclude);
 	void clear(entt::registry& registry);
+	void update(entt::dispatcher& dispatcher);
 private:
 	std::vector<Team> teams;
 	std::mt19937 generator;
-- 
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