5 files changed, 25 insertions, 51 deletions
diff --git a/sim/src/BaseBattle.cpp b/sim/src/BaseBattle.cpp
index 3e3815c..e34af76 100644
--- a/sim/src/BaseBattle.cpp
+++ b/sim/src/BaseBattle.cpp
@@ -5,6 +5,7 @@
 #include <entt/entity/registry.hpp>
 #include <entt/signal/dispatcher.hpp>
 
+#include <kurator/engine/Context.h>
 #include <kurator/campaign/Scenario.h>
 #include <kurator/sim/components.h>
 #include <kurator/sim/events.h>
@@ -57,13 +58,13 @@ BaseBattle::dispatcher()
 
 
 void
-BaseBattle::update(const float dt)
+BaseBattle::update(engine::Context& ctx)
 {
-	time += dt;
+	time = ctx.clock.game;
 	pick_random_targets();
 	keep_at_range();
-	update<FloatingMovement>(dt);
-	update<TurretControl>(dt);
+	FloatingMovement::update(ctx);
+	TurretControl::update(ctx);
 	kill_off_dead();
 	manager.clear(_registry);  // registry supports on destructions events
 	manager.update(_dispatcher);
diff --git a/sim/src/BaseBattle.h b/sim/src/BaseBattle.h
index b20b518..d67f33e 100644
--- a/sim/src/BaseBattle.h
+++ b/sim/src/BaseBattle.h
@@ -3,6 +3,7 @@
 #include <entt/entity/registry.hpp>
 #include <entt/signal/dispatcher.hpp>
 
+#include <kurator/engine/Context.h>
 #include <kurator/campaign/Scenario.h>
 #include <kurator/sim/Battle.h>
 
@@ -22,9 +23,8 @@ public:
 	BaseBattle(const campaign::Scenario& scenario);
 	entt::registry& registry() override;
 	entt::dispatcher& dispatcher() override;
-	void update(float dt) override;
+	void update(engine::Context& ctx) override;
 private:
-	template <typename System> void update(float dt);
 	double time;
 	entt::registry _registry;
 	entt::dispatcher _dispatcher;
@@ -32,13 +32,9 @@ private:
 	TeamManager manager;
 	void pick_random_targets();
 	void keep_at_range();
-	void turrets(float dt);
 	void kill_off_dead();
 };
 
 
 }  // namespace sim
 }  // namespace kurator
-
-
-#include "BaseBattle.inl.h"
diff --git a/sim/src/BaseBattle.inl.h b/sim/src/BaseBattle.inl.h
deleted file mode 100644
index 8014cb3..0000000
--- a/sim/src/BaseBattle.inl.h
+++ /dev/null
@@ -1,19 +0,0 @@
-#pragma once
-
-
-namespace kurator
-{
-namespace sim
-{
-
-
-template <typename System>
-void
-BaseBattle::update(const float dt)
-{
-	System::update(_registry, _dispatcher, dt);
-}
-
-
-}  // namespace sim
-}  // namespace kurator
diff --git a/sim/src/FloatingMovement.cpp b/sim/src/FloatingMovement.cpp
index e1794d5..da6cd20 100644
--- a/sim/src/FloatingMovement.cpp
+++ b/sim/src/FloatingMovement.cpp
@@ -1,8 +1,6 @@
 #include <kurator/sim/FloatingMovement.h>
 
-#include <entt/entity/registry.hpp>
-#include <entt/signal/dispatcher.hpp>
-
+#include <kurator/engine/Context.h>
 #include <kurator/sim/components.h>
 
 
@@ -13,21 +11,21 @@ namespace sim
 
 
 void
-FloatingMovement::update(entt::registry& registry, entt::dispatcher&, const float dt)
+FloatingMovement::update(engine::Context& ctx)
 {
-	auto view = registry.view<Transform, FloatingMovement, AIState>();
+	auto view = ctx.registry.view<Transform, FloatingMovement, AIState>();
 	for (auto&& [entity, transform, movement, ai] : view.each()) {
 		const auto offset = ai.destination - transform.position;
 		const auto at_destination = offset.magnitude() > movement.destination_boundary;
 		const auto acceleration =
 			at_destination ?
-			offset.normalized().scale(movement.acceleration * dt) :
-			offset.normalized().scale(-1 * movement.deceleration * dt);
+			offset.normalized().scale(movement.acceleration * ctx.clock.dt) :
+			offset.normalized().scale(-1 * movement.deceleration * ctx.clock.dt);
 		movement.speed.x += acceleration.x;
 		movement.speed.y += acceleration.y;
 		if (movement.speed.magnitude() > movement.max_speed)
 			movement.speed = movement.speed.normalized().scale(movement.max_speed);
-		const auto speed = movement.speed.scale(dt);
+		const auto speed = movement.speed.scale(ctx.clock.dt);
 		transform.position.x += speed.x;
 		transform.position.y += speed.y;
 		transform.angle = speed.angle();
diff --git a/sim/src/TurretControl.cpp b/sim/src/TurretControl.cpp
index bfac27f..fa42bf5 100644
--- a/sim/src/TurretControl.cpp
+++ b/sim/src/TurretControl.cpp
@@ -1,8 +1,6 @@
 #include <kurator/sim/TurretControl.h>
 
-#include <entt/entity/registry.hpp>
-#include <entt/signal/dispatcher.hpp>
-
+#include <kurator/engine/Context.h>
 #include <kurator/sim/components.h>
 #include <kurator/sim/HitPoints.h>
 #include <kurator/sim/events.h>
@@ -19,33 +17,33 @@ bool consume(float& dt, double& target);
 
 
 void
-TurretControl::update(entt::registry& registry, entt::dispatcher& dispatcher, const float dt)
+TurretControl::update(engine::Context& ctx)
 {
-	auto view = registry.view<TurretControl, universe::TurretType>();
+	auto view = ctx.registry.view<TurretControl, universe::TurretType>();
 	for (auto&& [entity, control, def] : view.each()) {
-		if (!registry.valid(control.owner)) {
-			registry.destroy(entity);
+		if (!ctx.registry.valid(control.owner)) {
+			ctx.registry.destroy(entity);
 			continue;
 		}
-		if (!registry.all_of<AIState, Transform>(control.owner))
+		if (!ctx.registry.all_of<AIState, Transform>(control.owner))
 			continue;
-		const auto& [state, transform] = registry.get<AIState, Transform>(control.owner);
-		if (!registry.valid(state.target))
+		const auto& [state, transform] = ctx.registry.get<AIState, Transform>(control.owner);
+		if (!ctx.registry.valid(state.target))
 			continue;
-		const auto& target = registry.get<Transform>(state.target);
+		const auto& target = ctx.registry.get<Transform>(state.target);
 		const auto distance = transform.position.distance(target.position);
 		if (distance > def.effective_range())
 			continue;
-		auto remaining_dt = dt;
+		auto remaining_dt = ctx.clock.dt;
 		while (remaining_dt > 0.0) {
 			if (control.rounds < 1 && consume(remaining_dt, control.reload))
 				control.rounds = def.rounds;
 			if (control.rounds > 0 && consume(remaining_dt, control.delay)) {
-				auto& target_points = registry.get<HitPoints>(state.target);
+				auto& target_points = ctx.registry.get<HitPoints>(state.target);
 				auto damage = def.effective_damage(distance);
 				if (damage > 0.0) {
 					damage = target_points.deal(damage);
-					dispatcher.trigger(Hit{damage, control.owner, state.target});
+					ctx.dispatcher.trigger(Hit{damage, control.owner, state.target});
 				}
 				control.delay = def.rate_of_fire;
 				if (--control.rounds < 1)