root / branches / netent_demo / netent.h @ 543

#include <string>

class Ent {
        protected: //do not instantiate directly
                Ent(uint16_t _entid) {
                        entid = _entid;
                };
        private:
                uint16_t entid;
        public:
                typedef enum { 
                        Box,
                        Sphere,
                        Pad,
                        PlayerBall
                } Class;
                typedef Ent* (*createfct)(uint16_t);
                uint16_t get_entid() { return entid; };
                virtual uint16_t get_classid() = 0;
                virtual const std::string get_classname() = 0;
};

class Obj : public Ent {
        protected: 
                Obj(uint16_t entid) : Ent(entid) {};
};

class Box : public Obj {
        protected:
                Box(uint16_t entid) : Obj(entid) {};
        public:
                virtual uint16_t get_classid() { return Ent::Box; };
                virtual const std::string get_classname() { return "Box"; };
                static Ent* create(uint16_t entid) { return new Box(entid); }; //Ent* seems to be needed
};

class Pad : public Box {
        protected:
                Pad(uint16_t entid) : Box(entid) {};
        public:
                virtual uint16_t get_classid() { return Ent::Pad; };
                virtual const std::string get_classname() { return "Pad"; };
                static Ent* create(uint16_t entid) { return new Pad(entid); };
};

#define ENTLEAF(CLASS, CLASSID, CLASSNAME) \
                virtual uint16_t get_classid() { return Ent::CLASSID; };\
                virtual const std::string get_classname() { return CLASSNAME; }; \
                static Ent* create(uint16_t entid) { return new CLASS(entid); }; 

//now this is shorter (!):
class Sphere : public Ent {
        protected:
                Sphere(uint16_t entid) : Ent(entid) {};
        public:
                ENTLEAF(Sphere, Sphere, "Sphere");
};

class PBall : public Sphere {
        protected:
                PBall(uint16_t entid) : Sphere(entid) {};
        public:
                ENTLEAF(PBall, PlayerBall, "PlayerBall");
};