event.cpp

#include "config.h"
#include "sysdep.h"

#include "structs.h"
#include "event.h"
#include "utils.h"
#include "comm.h"
#include "handler.h"
#include "db.h"
#include "dg_scripts.h"

int in_event_handler = 0;
struct event_info2 *pending_events = NULL;
struct event_info2 *prev = NULL;

void run_events2(void)
{
    struct event_info2 *temp, *prox;

    in_event_handler = 1;

    ::prev = NULL;
    for (temp = pending_events; temp; temp = prox) {
        prox = temp->next;
        temp->ticks_to_go--;
        if (temp->ticks_to_go == 0) {

            /* run the event */
            if (!temp->func)
                log("SYSERR: Attempting to run a NULL event. Ignoring");
            else
                (temp->func) (temp->causer, temp->victim, (long) temp->info);

            /* remove the event from the list. */
            if (!::prev)
                pending_events = prox;
            else
                ::prev->next = prox;
            free(temp);
        } else if (temp->ticks_to_go == -1) {
            if (!::prev)
                pending_events = prox;
            else
                ::prev->next = prox;
            free(temp);
        } else
            ::prev = temp;
    }

    in_event_handler = 0;
};

void add_event2(int delay, EVENT2(*func), void *causer, void *victim, void *info)
{
    struct event_info2 *current;

    CREATE(current, struct event_info2, 1);

    current->ticks_to_go = delay;
    current->func = func;
    current->causer = causer;
    current->victim = victim;
    current->info = (long *) info;

    current->next = pending_events;
    pending_events = current;
    if (in_event_handler && !::prev)
        ::prev = pending_events;
};

void clean_events2(void *pointer)
{
    struct event_info2 *temp, *prox;
    //struct event_info2 *previous;

    if (in_event_handler)
        log("SYSERR: Trying to remove events inside the handler. Attempting to continue.");
    //previous = NULL;
    for (temp = pending_events; temp; temp = prox) {
        prox = temp->next;
        if (temp->causer == pointer || temp->victim == pointer || (void *) (temp->func) == pointer)
            temp->ticks_to_go = 0;
    }
};