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https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
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310 lines
6.8 KiB
C++
310 lines
6.8 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "stdmisc.h"
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#include "nel/misc/algo.h"
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using namespace std;
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#ifdef DEBUG_NEW
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#define new DEBUG_NEW
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#endif
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namespace NLMISC
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{
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bool testWildCard(const std::string &strIn, const std::string &wildCard)
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{
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return testWildCard(strIn.c_str(), wildCard.c_str());
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}
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// ***************************************************************************
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bool testWildCard(const char *strIn, const char *wildCard)
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{
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// run the 2 string in //el
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while(*wildCard!=0 && *strIn!=0)
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{
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// if same char, continue.
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if(*wildCard==*strIn)
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{
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wildCard++;
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strIn++;
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}
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// if wildCard is ?, continue
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else if(*wildCard=='?')
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{
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wildCard++;
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strIn++;
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}
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// if wildcard is *, recurs check.
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else if(*wildCard=='*')
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{
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wildCard++;
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// if last *, its OK.
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if(*wildCard==0)
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return true;
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// else must check next strings.
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else
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{
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// build the wilcard token. eg from "*pipo?", take "pipo"
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string token;
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while(*wildCard!='*' && *wildCard!='?' && *wildCard!=0)
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{
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token+= *wildCard;
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wildCard++;
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}
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// if token size is empty, error
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if(token.empty())
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return false;
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// in strIn, search all the occurence of token. For each solution, recurs test.
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string sCopy= strIn;
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string::size_type pos= sCopy.find(token, 0);
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while(pos!=string::npos)
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{
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// do a testWildCard test on the remaining string/wildCard
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if( testWildCard(strIn+pos+token.size(), wildCard) )
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// if succeed, end
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return true;
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// fails=> test with another occurence of token in the string.
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pos= sCopy.find(token, pos+1);
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}
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// if all failed, fail
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return false;
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}
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}
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// else fail
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else
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return false;
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}
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// If quit here because end Of 2 strs, OK.
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if(*wildCard==0 && *strIn==0)
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return true;
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// if quit here because wildCard=="*" and s="", OK too.
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if(*strIn==0 && wildCard[0]=='*' && wildCard[1]==0)
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return true;
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/*
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Else false:
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It may be wildCard="?aez" and s="" => error
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It may be wildCard="" and s="aer" => error
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*/
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return false;
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}
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// ***************************************************************************
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void splitString(const std::string &str, const std::string &separator, std::vector<std::string> &retList)
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{
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string::size_type pos=0;
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string::size_type newPos=0;
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retList.clear();
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while( (newPos= str.find(separator,pos)) != string::npos)
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{
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// if not empty sub str. (skip repetition of separator )
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if(newPos-pos>0)
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retList.push_back(str.substr(pos, newPos-pos));
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// skip token
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pos= newPos+separator.size();
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}
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// copy the last substr
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if( pos<str.size() )
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retList.push_back(str.substr(pos, str.size()-pos));
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}
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// ***************************************************************************
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void splitUCString(const ucstring &ucstr, const ucstring &separator, std::vector<ucstring> &retList)
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{
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ucstring::size_type pos=0;
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ucstring::size_type newPos=0;
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retList.clear();
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while( (newPos= ucstr.find(separator,pos)) != ucstring::npos)
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{
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// if not empty sub str. (skip repetition of separator )
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if(newPos-pos>0)
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retList.push_back(ucstr.substr(pos, newPos-pos));
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// skip token
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pos= newPos+separator.size();
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}
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// copy the last substr
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if( pos<ucstr.size() )
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retList.push_back(ucstr.substr(pos, ucstr.size()-pos));
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}
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// ***************************************************************************
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void drawFullLine (float x0, float y0, float x1, float y1, std::vector<std::pair<sint, sint> > &result)
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{
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result.clear ();
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// x0 must be < x1
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float dx = (float) fabs (x0-x1);
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float dy = (float) fabs (y0-y1);
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if ((dx == 0) && (dy == 0))
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result.push_back (pair<sint, sint> ((sint)floor (x0), (sint)floor (y0)));
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else if (dx > dy)
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{
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if (x0 > x1)
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{
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// Xchg 0 and 1
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float temp = x0;
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x0 = x1;
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x1 = temp;
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temp = y0;
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y0 = y1;
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y1 = temp;
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}
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float deltaX = x1 - x0;
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const float deltaY = (y1-y0)/deltaX;
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// Current integer pixel
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sint currentX = (sint)floor (x0);
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sint currentY = (sint)floor (y0);
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while (deltaX >= 0)
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{
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// Next point
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sint previousY = currentY;
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// Next y0
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if (deltaX > 1)
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y0 += deltaY;
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else
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y0 += deltaX * deltaY;
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deltaX -= 1;
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currentY = (sint)y0;
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// Add point
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if (currentY<=previousY)
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{
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do
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{
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result.push_back (pair<sint, sint> (currentX, previousY));
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previousY--;
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}
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while (currentY<=previousY);
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}
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else
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{
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do
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{
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result.push_back (pair<sint, sint> (currentX, previousY));
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previousY++;
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}
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while (currentY>=previousY);
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}
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// Next X
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currentX++;
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}
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}
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else
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{
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if (y0 > y1)
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{
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// Xchg 0 and 1
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float temp = y0;
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y0 = y1;
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y1 = temp;
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temp = x0;
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x0 = x1;
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x1 = temp;
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}
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float deltaY = y1 - y0;
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const float deltaX = (x1-x0)/deltaY;
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// Current integer pixel
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sint currentY = (sint)floor (y0);
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sint currentX = (sint)floor (x0);
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while (deltaY >= 0)
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{
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// Next point
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sint previousX = currentX;
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// Next x0
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if (deltaY > 1)
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x0 += deltaX;
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else
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x0 += deltaY * deltaX;
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deltaY -= 1;
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currentX = (sint)x0;
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// Add point
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if (currentX<=previousX)
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{
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do
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{
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result.push_back (pair<sint, sint> (previousX, currentY));
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previousX--;
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}
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while (currentX<=previousX);
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}
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else
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{
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do
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{
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result.push_back (pair<sint, sint> (previousX, currentY));
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previousX++;
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}
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while (currentX>=previousX);
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}
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// Next Y
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currentY++;
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}
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}
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}
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// ***************************************************************************
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void drawLine (float x0, float y0, float x1, float y1, vector<pair<sint, sint> > &result)
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{
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float dx = (float)(floor(x1+0.5) - floor(x0+0.5));
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float dy = (float)(floor(y1+0.5) - floor(y0+0.5));
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float rdx = x1-x0;
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float rdy = y1-y0;
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sint d = (sint)std::max(fabs(dx), fabs(dy));
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float maxd = (float)(std::max(fabs(rdx), fabs(rdy)));
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rdx /= maxd;
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rdy /= maxd;
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for (; d>=0; --d)
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{
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result.push_back(make_pair<sint,sint>((sint)floor(x0+0.5), (sint)floor(y0+0.5)));
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x0 += rdx;
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y0 += rdy;
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}
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}
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// ***************************************************************************
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} // NLMISC
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