1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
#include "engine.h"
#define _(x) x
int mogltk::engine::inited = 0;
int mogltk::engine::setup() throw(GeneralException) {
if (inited) {
printm(M_WARNING, "mogltk::engine::startup() called twice, ignoring second call.\n");
return -1;
}
if (SDL_Init(0) < 0) {
throw GeneralException(_("Unable to start SDL base system"));
}
atexit(SDL_Quit);
inited = 1;
return 0;
}
int mogltk::engine::GetInited() {
return inited;
}
class embedRWops : public Base {
public:
embedRWops(Handle *);
int seek(int, int);
int read(void *, int, int);
int write(const void *, int, int);
private:
Handle * h;
};
embedRWops::embedRWops(Handle * ah) : h(ah) {}
int embedRWops::seek(int offset, int whence) {
return h->seek(offset, whence);
}
int embedRWops::read(void * ptr, int size, int num) {
return h->read(ptr, size * num);
}
int embedRWops::write(const void * ptr, int size, int num) {
return h->write(ptr, size * num);
}
static int embedRWseek(SDL_RWops * context, int offset, int whence) {
if (context->hidden.unknown.data1)
return ((embedRWops *)(context->hidden.unknown.data1))->seek(offset, whence);
return -1;
}
static int embedRWread(SDL_RWops * context, void * ptr, int size, int num) {
if (context->hidden.unknown.data1)
return ((embedRWops *)(context->hidden.unknown.data1))->read(ptr, size, num);
return -1;
}
static int embedRWwrite(SDL_RWops * context, const void * ptr, int size, int num) {
if (context->hidden.unknown.data1)
return ((embedRWops *)(context->hidden.unknown.data1))->write(ptr, size, num);
return -1;
}
static int embedRWclose(SDL_RWops * context) {
if (context->hidden.unknown.data1) {
delete ((embedRWops *)(context->hidden.unknown.data1));
context->hidden.unknown.data1 = 0;
return 0;
}
return -1;
}
SDL_RWops * mogltk::engine::RWFromHandle(Handle * h) throw (GeneralException) {
SDL_RWops * r = 0;
if (h) {
if (!(r = SDL_AllocRW()))
throw GeneralException(_("Couldn't allocate memory for SDL_RWops"));
r->hidden.unknown.data1 = (void *) new embedRWops(h);
r->seek = embedRWseek;
r->read = embedRWread;
r->write = embedRWwrite;
r->close = embedRWclose;
}
return r;
}
|
