From f46be773dd1283688ec1feda1c50e6edaf6d1113 Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <tullivan99@gmail.com>
Date: Tue, 11 Oct 2016 21:24:43 -0500
Subject: WIP make worldsystem manage music

---
 include/engine.hpp | 36 ++++++++++++++++++++++++++++++++++++
 include/events.hpp | 11 ++++++++++-
 include/world.hpp  | 51 ++++++++++++++++++++++++++++++++++++++-------------
 3 files changed, 84 insertions(+), 14 deletions(-)

(limited to 'include')

diff --git a/include/engine.hpp b/include/engine.hpp
index 0fabdb3..2bde6de 100644
--- a/include/engine.hpp
+++ b/include/engine.hpp
@@ -5,13 +5,49 @@
 
 #include <events.hpp>
 
+class Engine : public entityx::Receiver<Engine> {
+private:
+	bool gameRunning;
+
+public:
+    entityx::SystemManager systems;
+
+	explicit Engine(void);
+
+	void init(void);
+    void render(entityx::TimeDelta dt);
+	void update(entityx::TimeDelta dt);
+
+	template<typename T>
+	inline T* getSystem(void) {
+		return dynamic_cast<T*>(systems.system<T>().get());
+	}
+
+	/*void configure(entityx::EventManager &ev) {
+		(void)ev;
+	}*/
+
+	inline void receive(const GameEndEvent &gee) {
+		gameRunning = !(gee.really);
+	}
+
+	inline bool shouldRun(void) const {
+		return gameRunning;
+	}
+};
+
+
 namespace game {
     extern entityx::EventManager events;
     extern entityx::EntityManager entities;
 
+    extern Engine engine;
+
     inline void endGame(void) {
         events.emit<GameEndEvent>();
     }
 }
 
+
+
 #endif // ENGINE_HPP_
diff --git a/include/events.hpp b/include/events.hpp
index 1fe7d7a..4d1415c 100644
--- a/include/events.hpp
+++ b/include/events.hpp
@@ -7,7 +7,9 @@
 
 #include <SDL2/SDL.h>
 
- struct MouseScrollEvent {
+#include <string>
+
+struct MouseScrollEvent {
  	MouseScrollEvent(int sd = 0)
  		: scrollDistance(sd) {}
 
@@ -35,4 +37,11 @@ struct GameEndEvent {
     bool really;
 };
 
+struct BGMToggleEvent {
+    BGMToggleEvent(std::string f)
+        : file(f) {}
+
+    std::string file;
+}
+
 #endif // EVENTS_HPP_
diff --git a/include/world.hpp b/include/world.hpp
index 6b26452..3b116ed 100644
--- a/include/world.hpp
+++ b/include/world.hpp
@@ -49,7 +49,7 @@ typedef struct {
  * This pair contains a pointer to the new world, and the new set of
  * coordinates the player should be at in that world.
  */
-typedef std::pair<World *, vec2> WorldSwitchInfo;
+using WorldSwitchInfo = std::pair<World *, vec2>;
 
 /**
  * Alters how bright world elements are drawn.
@@ -130,6 +130,42 @@ public:
 	~Village(void){}
 };
 
+
+#include <entityx/entityx.h>
+
+constexpr const char* WorldWeatherString[3] = {
+	"None",
+	"Rainy",
+	"Snowy"
+};
+
+class WorldSystem : public entityx::System<WorldSystem>, public entityx::Receiver<WorldSystem> {
+private:
+	WorldWeather weather;
+
+	Mix_Music *bgmObj;
+
+public:
+	explicit WorldSystem(void);
+
+	void configure(entityx::EventManager &ev) {
+		ev.subscribe<BGMToggleEvent>(*this);
+	}
+
+	void receive(const BGMToggleEvent &bte);
+
+	void update(entityx::EntityManager &en, entityx::EventManager &ev, entityx::TimeDelta dt) override;
+
+	inline const std::string getWeatherStr(void) const
+	{ return WorldWeatherString[static_cast<int>(weather)]; }
+
+	inline const WorldWeather& getWeatherId(void) const
+	{ return weather; }
+
+	void setWeather(const std::string &s);
+};
+
+
 /**
  * The world class.
  * This class handles entity creation, management, and deletion. Most
@@ -137,22 +173,16 @@ public:
  * drawing.
  */
 class World {
-friend class ItemLight;
+//friend class ItemLight;
 protected:
 
 	/**
 	 * An array of all the world's ground data, populated through
 	 * World::generate().
-	 *
 	 * @see generate()
 	 */
 	std::vector<WorldData> worldData;
 
-	/**
-	 * Contains the current state of weather in the world.
-	 */
-	WorldWeather weather;
-
 	/**
 	 * Contains the size of the 'worldData' array.
 	 */
@@ -175,11 +205,6 @@ protected:
 	 */
 	WorldBGType bgType;
 
-	/**
-	 * SDL_Mixer's object for the loaded BGM.
-	 */
-	Mix_Music *bgmObj;
-
 	/**
 	 * The filename of the world's BGM file.
 	 *
-- 
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