summaryrefslogtreecommitdiff
path: root/src/play_time.c
blob: 7622e31d9696f0c8a8f538c9280d983fe38eabb7 (plain)
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
90
91
92
93
#include "global.h"
#include "play_time.h"

extern struct PlayTimeStruct *gPlayTimeRef;
EWRAM_DATA struct PlayTimeStruct gPlayTime;

extern void sub_809488C(u8 *r0, u8 *r1, u32);
extern void sub_8094924(u8 *r0, u8 *r1, u32);

void InitializePlayTime(void)
{
    gPlayTimeRef = &gPlayTime;
    ResetPlayTime(&gPlayTime);
}

struct PlayTimeStruct *GetPlayTime(void)
{
    return &gPlayTime;
}

void ResetPlayTime(struct PlayTimeStruct *Time)
{
    Time->frames = 0;
    Time->seconds = 0;
    Time->minutes = 0;
    Time->hours = 0;
}

void IncrementPlayTime(struct PlayTimeStruct *Time)
{
    u16 temp_store16;

    Time->frames++;
    if(Time->frames <= 59)
        return;
    Time->frames = 0;

    Time->seconds++;
    if(Time->seconds <= 59)
        return;
    Time->seconds = 0;

    Time->minutes++;
    if(Time->minutes <= 59)
        return;
    Time->minutes = 0;

    // Casting here for unsigned comparison
    temp_store16 = Time->hours;
    if(Time->hours <= 9998)
    {
        temp_store16++;
        Time->hours = temp_store16;
    }
    else
    {
        Time->seconds = 59;
        Time->minutes = 59;
        Time->hours= 9999;
    }
}

void DeconstructPlayTime(struct PlayTimeStruct *r0, u32 *outHours, u32 *outMinutes, u32 *outSeconds)
{
    if(r0->hours <= 9999)
    {
        *outHours = r0->hours;
        *outMinutes = r0->minutes;
        *outSeconds = r0->seconds;
    }
    else
    {
        *outHours = 9999;
        *outMinutes = 59;
        *outSeconds = 59;
    }
}

void WritePlayTime(u8 *r0)
{
    sub_809488C(r0, (&(gPlayTimeRef->frames)), 6);
    sub_809488C(r0, (&(gPlayTimeRef->seconds)), 6);
    sub_809488C(r0, (&(gPlayTimeRef->minutes)), 6);
    sub_809488C(r0, (u8 *)(&(gPlayTimeRef->hours)), 14);
}

void ReadPlayTime(u8 *r0)
{
    sub_8094924(r0, (&(gPlayTimeRef->frames)), 6);
    sub_8094924(r0, (&(gPlayTimeRef->seconds)), 6);
    sub_8094924(r0, (&(gPlayTimeRef->minutes)), 6);
    sub_8094924(r0, (u8 *)(&(gPlayTimeRef->hours)), 14);
}