From 64bbf86b623a3cca2eaf9009d7acdcde067592e3 Mon Sep 17 00:00:00 2001
From: Hop311 <hop3114@gmail.com>
Date: Wed, 3 May 2023 19:37:26 +0100
Subject: Moved code to src/openvic2

---
 src/openvic2/GameAdvancementHook.hpp | 42 ++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 src/openvic2/GameAdvancementHook.hpp

(limited to 'src/openvic2/GameAdvancementHook.hpp')

diff --git a/src/openvic2/GameAdvancementHook.hpp b/src/openvic2/GameAdvancementHook.hpp
new file mode 100644
index 0000000..07f8414
--- /dev/null
+++ b/src/openvic2/GameAdvancementHook.hpp
@@ -0,0 +1,42 @@
+#pragma once
+
+#include <chrono>
+#include <functional>
+#include <vector>
+
+namespace OpenVic2 {
+	//Conditionally advances game with provided behaviour
+	//Class governs game speed and pause state
+	class GameAdvancementHook {
+		public:
+		using AdvancementFunction = std::function<void()>;
+		using RefreshFunction = std::function<void()>;
+		using speed_t = int8_t;
+
+		//Minimum number of miliseconds before the simulation advances
+		static const std::vector<std::chrono::milliseconds> GAME_SPEEDS;
+
+		private:
+		std::chrono::time_point<std::chrono::high_resolution_clock> lastPolledTime;
+		//A function pointer that advances the simulation, intended to be a capturing lambda or something similar. May need to be reworked later
+		AdvancementFunction triggerFunction;
+		RefreshFunction refreshFunction;
+		speed_t currentSpeed;
+
+		public:
+		bool isPaused;
+
+		GameAdvancementHook(AdvancementFunction tickFunction, RefreshFunction updateFunction, bool startPaused = true, speed_t startingSpeed = 0);
+
+		void setSimulationSpeed(speed_t speed);
+		speed_t getSimulationSpeed() const;
+		void increaseSimulationSpeed();
+		void decreaseSimulationSpeed();
+		bool canIncreaseSimulationSpeed() const;
+		bool canDecreaseSimulationSpeed() const;
+		GameAdvancementHook& operator++();
+		GameAdvancementHook& operator--();
+		void conditionallyAdvanceGame();
+		void reset();
+	};
+}
\ No newline at end of file
-- 
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