From 39ae4f2fd4c382f25ab98c6e98816e3e3a6f4e22 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Sun, 13 Nov 2022 16:32:57 +0100
Subject: Playing around with hit points

---
 battles/include/kurator/battles/components.h |  6 ++++++
 battles/src/BaseBattle.cpp                   |  7 +++++++
 battles/src/scenarios.cpp                    | 14 +++++++++++---
 3 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/battles/include/kurator/battles/components.h b/battles/include/kurator/battles/components.h
index 0c1e280..35a9251 100644
--- a/battles/include/kurator/battles/components.h
+++ b/battles/include/kurator/battles/components.h
@@ -38,5 +38,11 @@ struct FloatingMovement
 };
 
 
+struct HitPoints
+{
+	double health;
+};
+
+
 }  // namespace battles
 }  // namespace kurator
diff --git a/battles/src/BaseBattle.cpp b/battles/src/BaseBattle.cpp
index 92ab351..4d80671 100644
--- a/battles/src/BaseBattle.cpp
+++ b/battles/src/BaseBattle.cpp
@@ -30,6 +30,7 @@ BaseBattle::BaseBattle(const Scenario& scenario) :
 		_registry.emplace<Transform>(entity, spawner.get(ship.team));
 		_registry.emplace<FloatingMovement>(entity, 0.4);
 		_registry.emplace<AIState>(entity, Point{0.0, 0.0});
+		_registry.emplace<HitPoints>(entity, ship.type.base_health_points);
 		manager.add(ship.team, entity);  // registry supports on construction events
 	}
 }
@@ -60,6 +61,12 @@ BaseBattle::update(const float dt)
 			transform.position.y += eff.y;
 		}
 	}
+	auto view2 = _registry.view<HitPoints>();
+	for (auto&& [entity, points] : view2.each()) {
+		points.health -= dt;
+		if (points.health <= 0.0)
+			_registry.destroy(entity);
+	}
 	manager.clear(_registry);  // registry supports on destructions events
 }
 
diff --git a/battles/src/scenarios.cpp b/battles/src/scenarios.cpp
index ffb4f27..cf348ca 100644
--- a/battles/src/scenarios.cpp
+++ b/battles/src/scenarios.cpp
@@ -15,19 +15,27 @@ namespace scenarios
 Scenario
 example()
 {
-	const universe::ShipType halo {"halo", 4.0};
-	const universe::ShipType cube {"cube", 10.0};
-	const universe::ShipType bell {"bell", 10.0};
+	const universe::ShipType halo {"halo", 6.0};
+	const universe::ShipType cube {"cube", 12.0};
+	const universe::ShipType bell {"bell", 20.0};
 	return {
 		"example",
 		{
 			{0, halo, {}},
 			{0, halo, {}},
 			{0, cube, {}},
+			{0, cube, {}},
+			{0, cube, {}},
+			{0, bell, {}},
 			{0, bell, {}},
+			{0, bell, {}},
+			{1, halo, {}},
+			{1, halo, {}},
 			{1, bell, {}},
 			{1, cube, {}},
 			{1, cube, {}},
+			{1, cube, {}},
+			{1, bell, {}},
 			{1, bell, {}},
 		},
 	};
-- 
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