www.gusucode.com > C++ 游戏类库源码程序 > C++ 游戏类库源码程序\code\游戏类库\game_寻路.cpp

    /*
[学VC、编游戏]
编著、程序设计：唐明理 2004.7
E-mail:  cqtml@163.com
*/
#include "stdafx.h"
#include "game_寻路.h"
extern unsigned short dw[7][6];
gamepro:: gamepro(){}
gamepro::~gamepro(){}

void gamepro::lookit(int i)
{	if(man[i].lb!=0) return;
	for(int q=0;q<rs;q++)
		{if(q==i) continue;	
		 if(man[q].lb==2) continue;	
		 int x=man[i].xix-man[q].xix;
		 int y=man[i].xiy-man[q].xiy;
		 if(abs(x)<man[q].w && abs(y)<man[q].h)
			{ if(man[i].lb!=man[q].lb)
				{ man[q].x0=man[q].fx=man[q].xix;//
				  man[q].y0=man[q].fy=man[q].xiy;//
				  man[q].fid=man[q].pk;
				  if(x==0&&y<0) {man[i].fw=0;man[q].fw=4;}
				  if(x>0&&y< 0) {man[i].fw=1;man[q].fw=5;}
				  if(x>0&&y==0) {man[i].fw=2;man[q].fw=6;}
				  if(x>0&&y> 0) {man[i].fw=3;man[q].fw=7;}
				  if(x==0&&y>0) {man[i].fw=4;man[q].fw=0;}
				  if(x<0&&y> 0) {man[i].fw=5;man[q].fw=1;}
				  if(x<0&&y==0) {man[i].fw=6;man[q].fw=2;}
				  if(x<0&&y< 0) {man[i].fw=7;man[q].fw=3;}
				  man[q].zs=dw[man[q].js][3];man[q].zd=1;
				  man[i].zs=3;				 man[i].zd=1;
				  if(man[i].p==man[i].m1-2) sndPlaySound("砍1.wav",SND_ASYNC);
				  if(man[q].p==man[q].m1-8) sndPlaySound("羊.wav",SND_ASYNC);
				  break;
				 }
			}
		}
}

void gamepro::randxy()
{ for(int q=0;q<rs;q++)
	 {if(fidf==TRUE)	return;	
	  if(rand()%20>0)	continue;
	  if(man[q].lb!=1||man[q].fid<man[q].pk) continue;
	  if(man[q].zd==1)  continue;
	  int x=man[q].x0+WIDTH/2-rand()%WIDTH;	
	  int y=man[q].y0+HEIGHT/2-rand()%HEIGHT;
	  if(x<GX) x=GX;
	  if(y<GY) y=GY;
	  if(x>WIDTH *SCRP0-GX) x=WIDTH *SCRP0-GX;
	  if(y>HEIGHT*SCRP0-GY) y=HEIGHT*SCRP0-GY;
	  if(FindPath(q,x,y)<0) continue;
	  man[q].p=man[q].m1-1;
	 }
}

int gamepro::FindPath(int i,int x,int y)
{	if(find_p==0) return 0;
	if(fidf==TRUE) return -4;

	if(x<=0||y<=0) return -3;
	int x0=x/GX,y0=y/GY;
	if(m_fid.map[x0][y0]=='1') 
		{fidf=FALSE;return -1;}	
	if(x0==man[i].xix/GX&&y0==man[i].xiy/GY) 
		{fidf=FALSE;return -2;}
	if(x0<1||y0<1) 
		{fidf=FALSE;return -10;}
	if((x0+1)>=WIDTH*SCRP0/GX||(y0+1)>=HEIGHT*SCRP0/GY) 
		{fidf=FALSE;return -20;}

	fidf=TRUE;
	int tim=timeGetTime();
	m_fid.end_y  =man[i].xix/GX;
	m_fid.end_x  =man[i].xiy/GY;
	m_fid.start_y=x0;
	m_fid.start_x=y0;
	if(m_fid.findpath()==-1)
		{fidf=FALSE;
		 return-1;
		}
	man[i].pk=zlpath();	
	if(man[i].pk<0) 
		{fidf=FALSE;return -3;}
	if(man[i].pk>250) {man[i].pk=0;fidf=FALSE;return -5;}
	for(int j=0;j<man[i].pk;j++) 
		man[i].ph[j]=pathn[j];
	man[i].fx=x;man[i].fy=y;

	man[i].fid=1;
	if(man[i].pk>1)	
	{man[i].x0=man[i].ph[man[i].fid].x*GX+man[i].w/2;
	 man[i].y0=man[i].ph[man[i].fid].y*GY+man[i].h/2;
	 man[i].fid++;
	}
	fidf=FALSE;
	return timeGetTime()-tim;
}

int gamepro::zlpath()
{	int k=1;
	int yy0;
	int xx=m_fid.path[0]/m_fid.map_w;
	int yy=m_fid.path[0]%m_fid.map_w;
	pathn[0].x=xx;pathn[0].y=yy;
	for(int j=1;m_fid.path[j]>0;j++)
	{xx= m_fid.path[j]/m_fid.map_w;
	 yy= m_fid.path[j]%m_fid.map_w;
	 yy0=m_fid.path[j+1]%m_fid.map_w;
	 pathn[k].x=xx;pathn[k].y=yy;
	 if(yy!=yy0)  k++;
	 if(k>500) return -1;
	}
	int p=1;
	for(j=1;j<k;j++)
	{pathn[p].x=pathn[j].x;pathn[p].y=pathn[j].y;
	 if(pathn[j].x!=pathn[j+1].x)  p++;
	}
	return p;
}

void gamepro::loadza(CString name)
{ char cc[256];
  FILE *f;
  int i,j;
  strcpy(cc,name);cc[lstrlen(name)-3]=0;
  strcat(cc,"map");
  f=fopen(cc,"r");
  if(f==NULL) goto aa;
  fscanf(f,"%d,%d\n",&w,&h);
  SCRP0=w/16;
  m_fid.map_w=WIDTH*SCRP0/GX;
  m_fid.map_h=HEIGHT*SCRP0/GY;
  if(w>WIDTH*SCRP/GX||h>HEIGHT*SCRP/GY)	
	{SetCurrentDirectory(appdir);
	 return;
	}
  for(i=0;i<h;i++)
	  fgets(&m_fid.map[i][0],w+2,f);
  fclose(f);
aa:for(i=0;i<m_fid.map_w;i++)
		for(j=0;j<m_fid.map_h;j++)
				if(m_fid.map[i][j]!='1') m_fid.map[i][j]='0';
  find_p=1;	
  SetCurrentDirectory(appdir);
}
void gamepro::loaddata()
{	FILE *f;
	int len,i,j;
	CString cc;

	cc=dir+"景.dar";
    f=fopen(cc,"r");
    if(f==NULL) return;
	fscanf(f,"%d",&len);
	for(i=0;i<len;i++)
		fscanf(f,"%d,%d,%d",&jbufadd[i],&j,&j);
	fclose(f);

	cc=dir+"兽.dar";
    f=fopen(cc,"r");
    if(f==NULL) return;
	fscanf(f,"%d",&len);
	for(i=0;i<len;i++)
		fscanf(f,"%d,%d,%d",&sbufadd[i],&sbufx[i],&sbufy[i]);
	fclose(f);

	cc=dir+"人.dar";
    f=fopen(cc,"r");
    if(f==NULL) return;
	fscanf(f,"%d",&len);
	for(i=0;i<len;i++)
		fscanf(f,"%d,%d,%d",&rbufadd[i],&rbufx[i],&rbufy[i]);
	fclose(f);
//	B、......
	cc=dir+"兽.gam";
	if( !sfile.Open(cc, CFile::modeRead, NULL ) ) return;
	cc=dir+"人.gam";
	if( !rfile.Open(cc, CFile::modeRead, NULL ) ) return;
	cc=dir+"景.gam";
	if( !jfile.Open(cc, CFile::modeRead, NULL ) ) return;
	UINT len0=sfile.GetLength();
	stmp=(BYTE *)new BYTE[len0];
	sfile.Read( stmp, len0);
	sfile.Close();
	len0=rfile.GetLength();
	rtmp=(BYTE *)new BYTE[len0];
	rfile.Read( rtmp, len0);
	rfile.Close();
	len0=jfile.GetLength();
	jtmp=(BYTE *)new BYTE[len0];
	jfile.Read( jtmp, len0);
	jfile.Close();
}

int gamepro::leftdown(HDC hdc,int x,int y)
{	int fidtim=0;
	if(find_p==0)
		{gamemap::leftdown(hdc,x,y);
		 return fidtim;
		}
	if(x>0&&x<WIDTH&&y>0&&y<HEIGHT&&edi==0)
	{int i=mann;
	 fidtim=FindPath(i,x-2+scrx,y-10+scry);
	 man[i].p=man[i].m1-1;
	}
	if(dingweimap(x,y)==TRUE)	smlmap(hdc);
	return fidtim;
}