[2746] | 1 | #include "common.h"
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| 2 |
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| 3 | #ifdef _X_WINDOW_
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| 4 | #include "xwindow.h"
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| 5 | #endif
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| 6 |
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[3021] | 7 | #ifdef _CRT_SET
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| 8 | #define _CRTDBG_MAP_ALLOC
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| 9 | #include <stdlib.h>
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| 10 | #include <crtdbg.h>
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| 11 |
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| 12 | // redefine new operator
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| 13 | #define DEBUG_NEW new(_NORMAL_BLOCK, __FILE__, __LINE__)
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| 14 | #define new DEBUG_NEW
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| 15 | #endif
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| 16 |
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| 17 | #include <stdlib.h>
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| 18 | #include <math.h>
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| 19 | #include <stdio.h>
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| 20 | #include <time.h>
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| 21 |
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[2746] | 22 | #ifndef _MSC_VER
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| 23 | #include <unistd.h>
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| 24 | #include <sys/types.h>
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| 25 | #include <sys/time.h>
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| 26 | #include <sys/times.h>
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| 27 | #include <sys/resource.h>
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| 28 | #else
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| 29 | #include <windows.h>
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| 30 | #include <sys/types.h>
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| 31 | #include <sys/timeb.h>
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| 32 | #endif
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| 33 |
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| 34 |
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[3021] | 35 |
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[2746] | 36 | using namespace std;
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| 37 |
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| 38 |
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[2776] | 39 | namespace CHCDemoEngine
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[2751] | 40 | {
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[2746] | 41 |
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[2751] | 42 |
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[2746] | 43 | Real Limits::Threshold = 1e-6f;
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| 44 | Real Limits::Small = 0.01f;
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| 45 | Real Limits::Infinity = 1e20f;
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| 46 |
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| 47 |
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[2756] | 48 |
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[2746] | 49 | Real Random(Real max)
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| 50 | {
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| 51 | #ifdef __UNIX__
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| 52 | return (random()*max/0x7FFFFFFF);
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| 53 | #else
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| 54 | return (((Real)rand()) / RAND_MAX) * max;
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| 55 | #endif
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| 56 | }
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| 57 |
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| 58 |
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| 59 | int Random(int max)
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| 60 | {
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| 61 | return rand() % max;
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| 62 | }
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| 63 |
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| 64 |
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| 65 | void Randomize()
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| 66 | {
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| 67 | time_t t;
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| 68 | srand((unsigned) time(&t));
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| 69 | }
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| 70 |
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[2756] | 71 |
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[2772] | 72 | void Randomize(unsigned int seed)
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[2746] | 73 | {
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[2756] | 74 | srand(seed);
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[2746] | 75 | }
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| 76 |
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| 77 |
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| 78 | string
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| 79 | ReplaceSuffix(const string &filename, const string &a, const string &b)
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| 80 | {
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| 81 | string result = filename;
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| 82 |
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| 83 | int pos = (int)filename.rfind(a, (int)filename.size() - 1);
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| 84 | if (pos == filename.size() - a.size())
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| 85 | {
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| 86 | result.replace(pos, a.size(), b);
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| 87 | }
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| 88 |
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| 89 | return result;
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| 90 | }
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| 91 |
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| 92 |
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| 93 | int
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| 94 | SplitFilenames(const string &str, vector<string> &filenames)
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| 95 | {
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| 96 | int pos = 0;
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| 97 |
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| 98 | while(1) {
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| 99 | int npos = (int)str.find(';', pos);
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| 100 |
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| 101 | if (npos < 0 || npos - pos < 1)
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| 102 | break;
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| 103 | filenames.push_back(string(str, pos, npos - pos));
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| 104 | pos = npos + 1;
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| 105 | }
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| 106 |
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| 107 | filenames.push_back(string(str, pos, str.size() - pos));
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| 108 | return (int)filenames.size();
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| 109 | }
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| 110 |
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| 111 | void GetKey(char *s)
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| 112 | {
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| 113 | #ifdef _X_WINDOW_
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| 114 | XWaitForButton(s);
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| 115 | #else
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| 116 | getch();
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| 117 | #endif
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| 118 | }
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| 119 |
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| 120 | #ifdef _MSC_VER
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| 121 | static bool hasHRTimer = false;
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| 122 | static LARGE_INTEGER hrFreq;
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| 123 | #endif
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| 124 |
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| 125 |
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| 126 | void InitTiming()
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| 127 | {
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| 128 | #ifdef _MSC_VER
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| 129 | hasHRTimer = (bool) QueryPerformanceFrequency(&hrFreq);
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| 130 | #endif
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| 131 | }
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| 132 |
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| 133 | long GetTime()
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| 134 | {
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| 135 | #ifndef _MSC_VER
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| 136 | static struct rusage r;
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| 137 | getrusage(RUSAGE_SELF,&r);
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| 138 | return r.ru_utime.tv_usec+1000000*r.ru_utime.tv_sec;
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| 139 | #else
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| 140 | if (hasHRTimer) {
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| 141 | LARGE_INTEGER counter;
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| 142 | QueryPerformanceCounter(&counter);
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| 143 | // return in usec
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| 144 | //return (long) (1000000*counter.QuadPart/(hrFreq.QuadPart));
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| 145 | // $$
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| 146 | // tmp store time in ms
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| 147 | return (long) (1000*counter.QuadPart/(hrFreq.QuadPart));
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| 148 | } else {
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| 149 | static struct _timeb mtime;
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| 150 | _ftime(&mtime);
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| 151 |
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[2784] | 152 | return 1000*(1000*(long)mtime.time + (long)mtime.millitm);
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[2746] | 153 | }
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| 154 | #endif
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| 155 | }
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| 156 |
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| 157 |
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| 158 | long
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| 159 | GetRealTime()
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| 160 | {
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| 161 | #ifndef _MSC_VER
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| 162 | static struct timeval _tstart;
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| 163 | static struct timezone tz;
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| 164 | gettimeofday(&_tstart,&tz);
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| 165 | return (long)(1000000*_tstart.tv_sec + _tstart.tv_usec);
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| 166 | #else
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| 167 | if (hasHRTimer) {
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| 168 | LARGE_INTEGER counter;
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| 169 | QueryPerformanceCounter(&counter);
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| 170 | // return in usec
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| 171 | return (long) (1000000*counter.QuadPart/(hrFreq.QuadPart));
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| 172 | } else {
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| 173 | static struct _timeb mtime;
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| 174 | _ftime(&mtime);
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[2784] | 175 | return 1000*(1000*(long)mtime.time + (long)mtime.millitm);
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[2746] | 176 | }
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| 177 | #endif
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| 178 | }
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| 179 |
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| 180 | // return time diff. in ms
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| 181 | Real TimeDiff(long time1, long time2) // in ms
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| 182 | {
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| 183 | //const Real clk=1.0e-3f; // ticks per second
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| 184 | // $$ tmp store time in ms
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| 185 | const Real clk=1.0f; // ticks per second
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| 186 | long t=time2-time1;
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| 187 |
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| 188 | return ((t<0)?-t:t)*clk;
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| 189 | }
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| 190 |
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[2753] | 191 | char *TimeString()
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[2746] | 192 | {
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| 193 | time_t t;
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| 194 | time(&t);
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[2753] | 195 |
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[2746] | 196 | return ctime(&t);
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| 197 | }
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| 198 |
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[2753] | 199 |
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| 200 | char *GetAbsPath(char *name)
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[2746] | 201 | {
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| 202 | // char *url = new char[strlen(name)+1];
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| 203 | // strcpy(url,name);
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| 204 |
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| 205 | // get the absolute path
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[2753] | 206 | size_t c = strlen(name);
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[2764] | 207 | size_t i = c - 1;
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[2746] | 208 | bool wasDot = false;
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[2753] | 209 |
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[2746] | 210 | // search for double dot
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[2753] | 211 | for (; i >= 0; -- i)
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| 212 | {
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| 213 | if (name[i]=='.')
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| 214 | {
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[2746] | 215 | if (wasDot)
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| 216 | break;
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| 217 | wasDot = true;
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[2753] | 218 | }
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| 219 | else
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[2746] | 220 | wasDot = false;
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[2753] | 221 | }
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[2746] | 222 |
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[2753] | 223 | if (i>0)
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| 224 | i+=3;
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| 225 | if (i<0)
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| 226 | i=0;
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[2746] | 227 |
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[2753] | 228 | char *url = new char[c-i+1];
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[2746] | 229 |
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[2753] | 230 | int j=0;
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| 231 |
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| 232 | for (;i<c;i++,j++)
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| 233 | url[j] = name[i];
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| 234 |
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| 235 | url[j]=0;
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| 236 |
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| 237 | return url;
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[2746] | 238 | }
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| 239 |
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| 240 |
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| 241 | void indent(ostream &app, int ind)
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| 242 | {
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| 243 | int i;
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| 244 |
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| 245 | for (i = 0; i < ind; i++)
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| 246 | app << ' ';
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| 247 | }
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| 248 |
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| 249 |
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| 250 | char *GetPath(const char *s)
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| 251 | {
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[2753] | 252 | size_t i = strlen(s);
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| 253 | for (; i > 0; -- i)
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| 254 | {
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[2746] | 255 | if (s[i]=='/' || s[i]=='\\')
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| 256 | break;
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| 257 | }
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| 258 |
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| 259 | char *path = new char[i+1];
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| 260 | int j=0;
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| 261 | for (; j<i; j++)
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| 262 | path[j] = s[j];
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| 263 | path[j] = 0;
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| 264 | return path;
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| 265 | }
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| 266 |
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| 267 |
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| 268 | char *
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| 269 | StripPath(const char *s)
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| 270 | {
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[2764] | 271 | const size_t len = strlen(s);
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[2746] | 272 |
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[2764] | 273 | size_t i = len;
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[2746] | 274 | for (; i>0; i--) {
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| 275 | if (s[i]=='/' || s[i]=='\\')
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| 276 | break;
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| 277 | }
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| 278 |
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| 279 | char *filename = new char[len - i];
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| 280 | int j = 0;
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| 281 |
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| 282 | for (; j < len - i; ++ j)
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| 283 | filename[j] = s[i + j + 1];
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| 284 | //filename[j] = 0;
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| 285 |
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| 286 | return filename;
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| 287 | }
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| 288 |
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| 289 |
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| 290 | bool
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| 291 | FileExists(char *filename)
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| 292 | {
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| 293 | FILE *f;
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| 294 |
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| 295 | f = fopen(filename,"r");
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| 296 | if (f) {
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| 297 | fclose(f);
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| 298 | return true;
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| 299 | }
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| 300 | return false;
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| 301 | }
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| 302 |
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| 303 | }
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