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 */ |
35 | static ptr_DebugCallback pDebugFunc = NULL; |
36 | static ptr_StateCallback pStateFunc = NULL; |
37 | static void * DebugContext = NULL; |
38 | static void * StateContext = NULL; |
39 | |
40 | /* global Functions for use by the Core */ |
41 | m64p_error SetDebugCallback(ptr_DebugCallback pFunc, void *Context) |
42 | { |
43 | pDebugFunc = pFunc; |
44 | DebugContext = Context; |
45 | return M64ERR_SUCCESS; |
46 | } |
47 | |
48 | m64p_error SetStateCallback(ptr_StateCallback pFunc, void *Context) |
49 | { |
50 | pStateFunc = pFunc; |
51 | StateContext = Context; |
52 | return M64ERR_SUCCESS; |
53 | } |
54 | |
55 | void 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 | |
71 | void 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 | |