From b8d3a357428d3af09031d2ae8925e1c2e93810ba Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Sat, 31 Dec 2022 16:26:25 +0100
Subject: Added rounds and reload time to turrets to enable burst weapons

---
 sim/include/kurator/sim/components.h |  2 ++
 sim/src/BaseBattle.cpp               | 16 +++++++++++-----
 sim/src/Builder.cpp                  |  2 +-
 3 files changed, 14 insertions(+), 6 deletions(-)

(limited to 'sim')

diff --git a/sim/include/kurator/sim/components.h b/sim/include/kurator/sim/components.h
index 47ff5b2..7190369 100644
--- a/sim/include/kurator/sim/components.h
+++ b/sim/include/kurator/sim/components.h
@@ -41,7 +41,9 @@ struct HitPoints
 
 struct TurretControl
 {
+	double delay;
 	double reload;
+	int rounds;
 	entt::entity owner;
 };
 
diff --git a/sim/src/BaseBattle.cpp b/sim/src/BaseBattle.cpp
index 46c98ed..5f72483 100644
--- a/sim/src/BaseBattle.cpp
+++ b/sim/src/BaseBattle.cpp
@@ -104,18 +104,24 @@ BaseBattle::turrets(const float dt)
 			continue;
 		if (control.reload > 0.0)
 			control.reload -= dt;
-		if (control.reload <= 0.0) {
+		if (control.rounds < 1 && control.reload <= 0.0)
+			control.rounds = def.rounds;
+		if (control.delay > 0.0)
+			control.delay -= dt;
+		if (control.rounds > 0 && control.delay <= 0.0) {
 			auto& target_points = _registry.get<HitPoints>(state.target);
 			const auto& target = _registry.get<Transform>(state.target);
-			const auto distance = transform.position - target.position;
-			if (distance.magnitude() > def.optimal_range * 2.5)
+			const auto distance = transform.position.distance(target.position);
+			if (distance > def.optimal_range * 2.5)
 				continue;
-			const auto damage = def.effective_damage(distance.magnitude());
+			const auto damage = def.effective_damage(distance);
 			if (damage > 0.0) {
 				target_points.health -= damage;
 				_dispatcher.trigger(Hit{damage, control.owner, state.target});
 			}
-			control.reload = def.rate_of_fire;
+			control.delay = def.rate_of_fire;
+			if (--control.rounds < 1)
+				control.reload = def.reload;
 		}
 	}
 }
diff --git a/sim/src/Builder.cpp b/sim/src/Builder.cpp
index e0198a1..068d012 100644
--- a/sim/src/Builder.cpp
+++ b/sim/src/Builder.cpp
@@ -47,7 +47,7 @@ Builder::operator()(const universe::TurretType& turret_type, const entt::entity&
 {
 	const auto entity = registry.create();
 	registry.emplace<universe::TurretType>(entity, turret_type);
-	registry.emplace<TurretControl>(entity, 0.0, owner);
+	registry.emplace<TurretControl>(entity, 0.0, 0.0, turret_type.rounds, owner);
 	registry.emplace<Transform>(entity, Point{0.0, 0.0}, 0.0, owner);
 	return entity;
 }
-- 
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