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comparison deps/Platinum/ThirdParty/Neptune/Source/System/PSP/NptPSPSystem.cpp @ 0:3425707ddbf6

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Initial import (hopefully this mercurial stuff works...)
author fraserofthenight
date Mon, 06 Jul 2009 08:06:28 -0700
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-1:000000000000 0:3425707ddbf6
1 /*****************************************************************
2 |
3 | Neptune - System :: Win32 Implementation
4 |
5 | (c) 2001-2003 Gilles Boccon-Gibod
6 | Author: Gilles Boccon-Gibod (bok@bok.net)
7 |
8 ****************************************************************/
9
10 /*----------------------------------------------------------------------
11 | includes
12 +---------------------------------------------------------------------*/
13 #include <stdlib.h>
14 #include <stdio.h>
15 #include <psptypes.h>
16 #include <kernel.h>
17 #include <rtcsvc.h>
18 #include <pspnet/sys/time.h>
19
20 #include "NptConfig.h"
21 #include "NptTypes.h"
22 #include "NptSystem.h"
23 #include "NptResults.h"
24 #include "NptDebug.h"
25 #include "NptConstants.h"
26
27 /*----------------------------------------------------------------------
28 | NPT_PSPSystem
29 +---------------------------------------------------------------------*/
30 class NPT_PSPSystem : public NPT_SystemInterface
31 {
32 public:
33 // methods
34 NPT_PSPSystem();
35 ~NPT_PSPSystem();
36 NPT_Result GetProcessId(NPT_Integer& id);
37 NPT_Result GetCurrentTimeStamp(NPT_TimeStamp& now);
38 NPT_Result Sleep(NPT_UInt32 microseconds);
39 NPT_Result SetRandomSeed(unsigned int seed);
40 NPT_Integer GetRandomInteger();
41
42 private:
43 bool m_bRandomized;
44 };
45
46 /*----------------------------------------------------------------------
47 | NPT_PSPSystem::NPT_PSPSystem
48 +---------------------------------------------------------------------*/
49 NPT_PSPSystem::NPT_PSPSystem()
50 : m_bRandomized(false)
51 {
52 }
53
54 /*----------------------------------------------------------------------
55 | NPT_PSPSystem::~NPT_PSPSystem
56 +---------------------------------------------------------------------*/
57 NPT_PSPSystem::~NPT_PSPSystem()
58 {
59 }
60
61 /*----------------------------------------------------------------------
62 | NPT_PSPSystem::GetProcessId
63 +---------------------------------------------------------------------*/
64 NPT_Result
65 NPT_PSPSystem::GetProcessId(NPT_Integer& id)
66 {
67 //id = getpid();
68 id = 0;
69 return NPT_SUCCESS;
70 }
71
72 /*----------------------------------------------------------------------
73 | NPT_PSPSystem::GetCurrentTimeStamp
74 +---------------------------------------------------------------------*/
75 NPT_Result
76 NPT_PSPSystem::GetCurrentTimeStamp(NPT_TimeStamp& now)
77 {
78 // get the current time
79 ScePspDateTime clock;
80 sceRtcGetCurrentClock(&clock, 0);
81
82 // converts to POSIX time to get the number of seconds since 1970
83 time_t time;
84 sceRtcGetTime_t(&clock, &time);
85
86 // converts back to Psp date, it should be truncated
87 // we'll use that to get the number of nanoseconds
88 ScePspDateTime clock_trunk;
89 sceRtcSetTime_t(&clock_trunk, time);
90
91 //_ftime(&time_stamp);
92 now.m_Seconds = time;
93 now.m_NanoSeconds = (sceRtcGetMicrosecond(&clock)-sceRtcGetMicrosecond(&clock_trunk))*1000;
94
95 return NPT_SUCCESS;
96 }
97
98 /*----------------------------------------------------------------------
99 | NPT_PSPSystem::Sleep
100 +---------------------------------------------------------------------*/
101 NPT_Result
102 NPT_PSPSystem::Sleep(NPT_UInt32 microseconds)
103 {
104 sceKernelDelayThread(microseconds);
105 return NPT_SUCCESS;
106 }
107
108 /*----------------------------------------------------------------------
109 | NPT_PSPSystem::SetRandomSeed
110 +---------------------------------------------------------------------*/
111 NPT_Result
112 NPT_PSPSystem::SetRandomSeed(unsigned int seed)
113 {
114 srand(seed);
115 return NPT_SUCCESS;
116 }
117
118 /*----------------------------------------------------------------------
119 | NPT_System::NPT_System
120 +---------------------------------------------------------------------*/
121 NPT_Integer
122 NPT_PSPSystem::GetRandomInteger()
123 {
124 if (m_bRandomized == false) {
125 NPT_TimeStamp now;
126 GetCurrentTimeStamp(now);
127 SetRandomSeed( now.m_Seconds );
128 m_bRandomized = true;
129 }
130 NPT_Integer val = 0;
131 val = rand();
132 return val;
133 }
134
135 /*----------------------------------------------------------------------
136 | NPT_System::NPT_System
137 +---------------------------------------------------------------------*/
138 NPT_System::NPT_System()
139 {
140 m_Delegate = new NPT_PSPSystem();
141 }
142