Added a function which creates VS filters that match the directory structure.

include/raycaster/Software_Caster.h

@@ -0,0 +1,35 @@
+#include "RayCaster.h"
+#include <thread>
+
+class Software_Caster : public RayCaster
+{
+public:
+	Software_Caster();
+
+	virtual ~Software_Caster();
+
+	int init() override;
+
+	// In interop mode, this will create a GL texture that we share
+	// Otherwise, it will create the pixel buffer and pass that in as an image, retrieving it each draw
+	// Both will create the view matrix, view res buffer
+	void create_viewport(int width, int height, float v_fov, float h_fov) override;
+
+	void assign_lights(std::vector<char> *data) override;
+	void assign_map(Old_Map *map) override;
+	void assign_camera(Camera *camera) override;
+	void validate() override;
+
+	// draw will abstract the gl sharing and software rendering
+	// methods of retrieving the screen buffer
+	void compute() override;
+	void draw(sf::RenderWindow* window) override;
+
+private:
+	
+	void cast_viewport();
+	void cast_thread(int start_id, int end_id);
+	void cast_ray(int id);
+	void blit_pixel(sf::Color color, sf::Vector2i position, sf::Vector3i mask);
+	sf::Color global_light(sf::Color in, sf::Vector3i mask);
+};