#ifndef REGISTRY_H
#define REGISTRY_H

#include "oo.qh"
#include "util.qh"

#define REGISTER_INIT(ns, id) [[accumulate]] void Register_##ns##_##id##_init(entity this)
#define REGISTER_INIT_POST(ns, id) [[accumulate]] void Register_##ns##_##id##_init_post(entity this)

#define REGISTER(initfunc, ns, array, counter, id, fld, inst)   \
    entity ns##_##id;                                           \
    REGISTER_INIT(ns, id) { }                                   \
    REGISTER_INIT_POST(ns, id) { }                              \
    .entity enemy; /* internal next pointer */                  \
    void Register_##ns##_##id() {                               \
        entity this = inst;                                     \
        ns##_##id = this;                                       \
        this.fld = counter;                                     \
        array[counter++] = this;                                \
        if (!array##_first)    array##_first = this;            \
        if ( array##_last)     array##_last.enemy = this;       \
        array##_last = this;                                    \
        Register_##ns##_##id##_init(this);                      \
        Register_##ns##_##id##_init_post(this);                 \
    }                                                           \
    ACCUMULATE_FUNCTION(initfunc, Register_##ns##_##id)         \
    REGISTER_INIT(ns, id)

void __static_init() { }
#define static_init() CALL_ACCUMULATED_FUNCTION(__static_init)
#define REGISTER_REGISTRY(func) ACCUMULATE_FUNCTION(__static_init, func)

#define STATIC_INIT(func) \
    void _static_##func(); \
    ACCUMULATE_FUNCTION(__static_init, _static_##func) \
    void _static_##func()

#endif