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diff --git a/util/funcs.cpp b/util/funcs.cpp
index 7ac9337a..21a1cd14 100644
--- a/util/funcs.cpp
+++ b/util/funcs.cpp
@@ -1,206 +1,214 @@
#ifdef USE_ALLEGRO
#include <allegro.h>
#endif
#include "funcs.h"
#include "globals.h"
#include <vector>
#include <string>
#include <string.h>
#include "file-system.h"
#include "bitmap.h"
#ifndef WINDOWS
#include <unistd.h>
#endif
using namespace std;
/* remove this once cmake and scons properly set DATA_PATH */
#ifndef DATA_PATH
#define DATA_PATH "data"
#endif
/* the build system should define DATA_PATH */
static string dataPath = DATA_PATH;
const double Util::pi = 3.14159265;
double Util::radians(double degree){
return degree * pi / 180.0;
}
/*
inline int rnd( int q ){
if ( q <= 0 ) return 0;
return (int)( rand() % q );
}
*/
int Util::max(int a, int b){
if (a>b){
return a;
}
return b;
}
int Util::min(int a, int b){
if (a<b){
return a;
}
return b;
}
int Util::rnd( int q, int min, int range ){
return q - min + rnd( range );
}
int Util::rnd( int min, int max ){
return rnd( max - min ) + min;
}
void Util::rest( int x ){
#ifdef USE_ALLEGRO
::rest(x);
#endif
}
bool Util::checkVersion(int version){
if (version == Global::getVersion()){
return true;
}
/* when an incompatible version is made, add a check here, like
* version < getVersion(3, 5)
* would mean any client below version 3.5 is incompatible.
*
* assume versions of client's greater than ourself is compatible, but
* this may not be true. There is no way to check this.
*/
if (version < 0){
return false;
}
return true;
}
void Util::setDataPath( const string & str ){
dataPath = str;
}
Filesystem::AbsolutePath Util::getDataPath2(){
return Filesystem::AbsolutePath(dataPath + "/");
}
bool Util::exists( const string & file ){
#ifdef USE_ALLEGRO
return ::exists( file.c_str() ) != 0;
#endif
return false;
}
vector< string > Util::getFiles(const Filesystem::AbsolutePath & dataPath, const string & find){
return Filesystem::getFiles(dataPath, find);
}
void Util::blend_palette(int * pal, int mp, int startColor, int endColor ) {
/*
ASSERT(pal);
ASSERT(mp != 0);
*/
int sc_r = Bitmap::getRed(startColor);
int sc_g = Bitmap::getGreen(startColor);
int sc_b = Bitmap::getBlue(startColor);
int ec_r = Bitmap::getRed(endColor);
int ec_g = Bitmap::getGreen(endColor);
int ec_b = Bitmap::getBlue(endColor);
for ( int q = 0; q < mp; q++ ) {
float j = (float)( q + 1 ) / (float)( mp );
int f_r = (int)( 0.5 + (float)( sc_r ) + (float)( ec_r-sc_r ) * j );
int f_g = (int)( 0.5 + (float)( sc_g ) + (float)( ec_g-sc_g ) * j );
int f_b = (int)( 0.5 + (float)( sc_b ) + (float)( ec_b-sc_b ) * j );
pal[q] = Bitmap::makeColor( f_r, f_g, f_b );
}
}
string Util::trim(const std::string & str){
string s;
size_t startpos = str.find_first_not_of(" \t");
size_t endpos = str.find_last_not_of(" \t");
// if all spaces or empty return an empty string
if ((string::npos == startpos) ||
(string::npos == endpos)){
return "";
} else {
return str.substr(startpos, endpos-startpos+1);
}
return str;
}
/* makes the first letter of a string upper case */
string Util::upcase(std::string str){
if ( str.length() > 0 && (str[0] >= 'a' && str[0] <= 'z') ){
str[0] = str[0] - 'a' + 'A';
}
return str;
}
/*Gets the minimum of three values*/
static int minimum(int a,int b,int c){
int min=a;
if(b<min)
min=b;
if(c<min)
min=c;
return min;
}
/* Compute levenshtein distance between s and t
* from: http://www.merriampark.com/ldc.htm
*/
static int levenshtein_distance(const char *s, const char *t){
//Step 1
int k,i,j,n,m,cost,distance;
int * d;
n=strlen(s);
m=strlen(t);
if(n!=0&&m!=0){
d = (int*) malloc((sizeof(int))*(m+1)*(n+1));
m++;
n++;
//Step 2
for(k=0;k<n;k++)
d[k]=k;
for(k=0;k<m;k++)
d[k*n]=k;
//Step 3 and 4
for(i=1;i<n;i++)
for(j=1;j<m;j++)
{
//Step 5
if(s[i-1]==t[j-1])
cost=0;
else
cost=1;
//Step 6
d[j*n+i]=minimum(d[(j-1)*n+i]+1,d[j*n+i-1]+1,d[(j-1)*n+i-1]+cost);
}
distance=d[n*m-1];
free(d);
return distance;
} else {
return -1; //a negative return value means that one or both strings are empty.
}
}
int Util::levenshtein(const std::string & str1, const std::string & str2){
return levenshtein_distance(str1.c_str(), str2.c_str());
}
+void Util::limitPrintf(char * buffer, int size, const char * format, va_list args){
+#ifdef USE_ALLEGRO
+ uvszprintf(buffer, size, format, args);
+#else
+ vsnprintf(buffer, size, format, args);
+#endif
+}
+
#ifndef WINDOWS
int Util::getPipe(int files[2]){
return pipe(files);
}
#endif
diff --git a/util/funcs.h b/util/funcs.h
index 91fa29df..03e4addd 100644
--- a/util/funcs.h
+++ b/util/funcs.h
@@ -1,64 +1,67 @@
#ifndef _paintown_funcs_h
#define _paintown_funcs_h
#include <stdlib.h>
#include <vector>
#include <string>
+#include <stdarg.h>
#include "regex.h"
#include "file-system.h"
namespace Util{
extern const double pi;
/* returns a number between 0 and q-1. you will never get `q'. if
* you wanted to get `q' then pass in q+1
*/
inline int rnd( int q ){
if (q <= 0){
return 0;
}
return (int)(rand() % q);
}
std::vector< std::string > getFiles(const Filesystem::AbsolutePath & dataPath, const std::string & find );
double radians(double degree);
Filesystem::AbsolutePath getDataPath2();
void setDataPath( const std::string & str );
bool exists( const std::string & file );
/* check that `version' is compatible with this program, mostly used
* for network clients.
*/
bool checkVersion(int version);
/* return a random number + some range between min/max */
int rnd( int q, int min, int max );
int max(int a, int b);
int min(int a, int b);
/* return a number between min/max */
int rnd( int min, int max );
void blend_palette( int * pal, int mp, int sc, int ec );
void rest( int x );
std::string trim(const std::string & str);
std::string upcase(std::string str);
int levenshtein(const std::string & str1, const std::string & str2);
int getPipe(int files[2]);
+void limitPrintf(char * buffer, int size, const char * format, va_list args);
+
}
#endif

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