1/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2 * Mupen64plus-core - api/callbacks.c *
3 * Mupen64Plus homepage: https://mupen64plus.org/ *
4 * Copyright (C) 2009 Richard Goedeken *
5 * *
6 * This program is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
10 * *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the *
18 * Free Software Foundation, Inc., *
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
20 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
21
22/* This file contains the Core functions for handling callbacks to the
23 * front-end application
24 */
25
26#include <stdarg.h>
27#include <stdio.h>
28#include <stdlib.h>
29
30#include "api/m64p_frontend.h"
31#include "callbacks.h"
32#include "m64p_types.h"
33
34/* local variables */
35static ptr_DebugCallback pDebugFunc = NULL;
36static ptr_StateCallback pStateFunc = NULL;
37static void * DebugContext = NULL;
38static void * StateContext = NULL;
39
40/* global Functions for use by the Core */
41m64p_error SetDebugCallback(ptr_DebugCallback pFunc, void *Context)
42{
43 pDebugFunc = pFunc;
44 DebugContext = Context;
45 return M64ERR_SUCCESS;
46}
47
48m64p_error SetStateCallback(ptr_StateCallback pFunc, void *Context)
49{
50 pStateFunc = pFunc;
51 StateContext = Context;
52 return M64ERR_SUCCESS;
53}
54
55void DebugMessage(int level, const char *message, ...)
56{
57 char msgbuf[512];
58 va_list args;
59
60 if (pDebugFunc == NULL)
61 return;
62
63 va_start(args, message);
64 vsnprintf(msgbuf, 512, message, args);
65
66 (*pDebugFunc)(DebugContext, level, msgbuf);
67
68 va_end(args);
69}
70
71void StateChanged(m64p_core_param param_type, int new_value)
72{
73 if (pStateFunc == NULL)
74 return;
75
76 (*pStateFunc)(StateContext, param_type, new_value);
77}
78
79
80