From b6fd1823082cfa84993a70ba80243d3aa2f089f1 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Wed, 21 Dec 2022 01:27:55 +0100
Subject: Added simple window to change simulation time factor

---
 kurator/src/Battle.cpp  | 9 +++++++--
 kurator/src/Battle.h    | 1 +
 kurator/src/Session.cpp | 2 +-
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/kurator/src/Battle.cpp b/kurator/src/Battle.cpp
index b7893da..9ec2bdd 100644
--- a/kurator/src/Battle.cpp
+++ b/kurator/src/Battle.cpp
@@ -7,6 +7,7 @@
 #include <utility>
 
 #include <raylib.h>
+#include <imgui.h>
 
 #include <kurator/campaign/scenarios.h>
 #include <kurator/campaign/UniqueIdentifier.h>
@@ -29,7 +30,8 @@ namespace kurator
 
 Battle::Battle(std::shared_ptr<Session> _session) :
 	session {std::move(_session)},
-	battle {sim::prepare(campaign::scenarios::example())}
+	battle {sim::prepare(campaign::scenarios::example())},
+	time_factor {1.0}
 {
 	battle->dispatcher().sink<sim::Hit>().connect<&Battle::on_hit>(*this);
 	battle->dispatcher().sink<stats::ShipLeft>().connect<&Battle::on_ship_left>(*this);
@@ -52,7 +54,7 @@ Battle::~Battle()
 void
 Battle::update(const float dt)
 {
-	battle->update(dt);
+	battle->update(dt * time_factor);
 	auto& registry = battle->registry();
 	auto timers = registry.view<Timed>();
 	for (auto&& [entity, timer] : timers.each()) {
@@ -70,6 +72,9 @@ Battle::update(const float dt)
 		pop.speed.y -= damp.y;
 	}
 	balance.update(registry);
+	ImGui::Begin("Controls");
+	ImGui::SliderFloat("Time Factor", &time_factor, 0.1f, 3.0f);
+	ImGui::End();
 	if (IsKeyPressed(KEY_SPACE))
 		session->set(std::make_shared<Log>(session, log));
 }
diff --git a/kurator/src/Battle.h b/kurator/src/Battle.h
index 009f9c3..1ebfa35 100644
--- a/kurator/src/Battle.h
+++ b/kurator/src/Battle.h
@@ -30,6 +30,7 @@ private:
 	std::unique_ptr<sim::Battle> battle;
 	ForceBalance balance;
 	EventLog log;
+	float time_factor;
 };
 
 
diff --git a/kurator/src/Session.cpp b/kurator/src/Session.cpp
index 34f8214..4f8e8e2 100644
--- a/kurator/src/Session.cpp
+++ b/kurator/src/Session.cpp
@@ -25,9 +25,9 @@ Session::run()
 	while (!window.should_close()) {
 		if (!scene)
 			return;
+		rlImGuiBegin();
 		scene->update(GetFrameTime());
 		BeginDrawing();
-		rlImGuiBegin();
 		scene->draw();
 		rlImGuiEnd();
 		EndDrawing();
-- 
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