add signal/slot

src/client/Client.cpp

@@ -152,10 +152,6 @@ void setup_explosion() {
 			textures[4]);
 }
 
-void explosion_callback(double x, double y, double z, void *data) {
-	explosion.add(x, y, z);
-}
-
 GLuint wallTex = 0;
 
 void draw_box() {
@@ -364,7 +360,6 @@ void Client::initialize(Arguments &arg) {
 		exit(EXIT_FAILURE);
 	}
 
-	game.setup_explosion_callback(explosion_callback, 0);
 	setup_opengl();
 	setup_explosion();
 	quadratic = gluNewQuadric();
@@ -384,6 +379,9 @@ void Client::initialize(Arguments &arg) {
 	accelerate_schudule.setInterval(0.05);
 
 	loadConsoleFont();
+
+	// setup signals
+	game.ExplosionSignal.connect(this, &Client::onExplosion);
 }
 
 void Client::update() {
@@ -514,3 +512,8 @@ void Client::shutdown() {
 	oglf_destroy(&font);
 	glfwTerminate();
 }
+
+void Client::onExplosion(double x, double y, double z) {
+	explosion.add(x, y, z);
+}
+

src/client/Client.h

@@ -31,6 +31,8 @@ private:
 	void accelerate(double x, double y, double z);
 	void drop_bomb(double rx, double ry, double rz, double ttl);
 	void loadConsoleFont();
+
+	void onExplosion(double x, double y, double z);
 };
 
 #endif /* CLIENT_H_ */