Implemented struct burning_fire

src/inc/fire.hpp

@@ -0,0 +1,51 @@
+// Choose a timer for a burning_fire.
+
+inline unsigned int fire_timer()
+{
+	return 300 + (rand() % 60) - (rand() % 60);
+}
+
+// A burning fire.
+
+struct burning_fire
+{
+	// The position of this burning_fire.
+
+	unsigned int x;
+	unsigned int y;
+	unsigned int z;
+
+	// The block that this burning_fire should be. If it is not, that means
+	// that something else modified it and it should not burn anymore.
+
+	block_id should_id;
+
+	// The amount of ticks until the fire disappears. While this timer is 
+	// above 0, this fire has a chance to spread to any of it's flammable 
+	// neighbors.
+
+	unsigned int timer;
+
+	// A burning_fire is marked as done when it has reached it's final form
+	// or phase.
+
+	bool done;
+
+	burning_fire
+	(
+		unsigned int _x,
+		unsigned int _y,
+		unsigned int _z,
+
+		unsigned int _timer
+	)
+	{
+		x = _x;
+		y = _y;
+		z = _z;
+
+		timer = _timer;
+
+		done = false;
+	}
+};