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    Length: 3194 (0xc7a)
    Types: TextFile
    Names: »auto.c.orig«

└─⟦b20c6495f⟧ Bits:30007238 EUUGD18: Wien-båndet, efterår 1987
    └─⟦this⟧ »EUUGD18/General/Mpss/auto.c.orig« 

TextFile

/*******************************************************************************
********************************************************************************
********************************************************************************

PERMISSION TO COPY THIS SOFTWARE IS HEREBY GIVEN BY THE AUTHOR PROVIDED THAT
THIS LEADING MESSAGE IS INCLUDED IN ALL OF THE RELEVANT SOURCE FILES.

		P. SCHMITZ, UNIVERSITY OF KEELE, MAY 1988.


********************************************************************************
********************************************************************************
*******************************************************************************/

#include "header.h"

lock_on(cp,chno) 
register struct player *cp;
int chno;
{
register struct player *x;
int lockok;

lockok=OFF;
x=startlist;
while (x!=NULL)
{
	if (x==cp) {x=x->next; continue;}
	if ((cp->xpos==x->xpos)&&(cp->ypos==x->ypos))
		{
		cp->channel[chno].enemy=x;
		cp->channel[chno].xloc=0;
		cp->channel[chno].yloc=0;
		lockok=ON;
plot1(cp,"        Tractor beam locked onto enemy captain!          ");
plot2(cp,"                                                         ");
		x=NULL;
		} else
		x=x->next;
}
if (lockok==OFF)
	{
	cp->channel[chno].enemy=NULL;
	cp->channel[chno].xloc=cp->xpos;
	cp->channel[chno].yloc=cp->ypos;
	if (inuniv(cp->xpos,cp->ypos)=='*')
	{
plot1(cp,"         Tractor beam locked onto starbase captain!      ");
plot2(cp,"                                                         ");
	} else
	{
plot1(cp,"    Tractor beam locked onto this quadrant captain!      ");
plot2(cp,"                                                         ");
	}
	}
	
}

displaybeams(cp) 
register struct player *cp;
{
char str[7];
int i;
poscurs(cp,23,22);
for (i=0; i<4; i++)
{
sprintf(str,"%1d)",(i+1));
write(cp->fd,str,2);
if (cp->channel[i].enemy==NULL)
	{
	if (inuniv(cp->channel[i].xloc,cp->channel[i].yloc)=='*')
		write(cp->fd,"*:",2);
	sprintf(str,"%3d,",cp->channel[i].xloc);
	write(cp->fd,str,4);
	sprintf(str,"%3d ",cp->channel[i].yloc);
	write(cp->fd,str,4);
	} else
	{
	sprintf(str,"%1c:",cp->channel[i].enemy->id);
	write(cp->fd,str,2);
	sprintf(str,"%3d,",cp->channel[i].enemy->xpos);
	write(cp->fd,str,4);
	sprintf(str,"%3d ",cp->channel[i].enemy->ypos);
	write(cp->fd,str,4);
	}
}
}

auto_pilot(cp)
register struct player *cp;
{
int x;
x=cp->flyto;
if (cp->channel[x].enemy==NULL)
{
if (cp->xpos!=cp->channel[x].xloc)
		{
		if (cp->xpos<cp->channel[x].xloc) cp->xvel=1; else cp->xvel= -1;		} else cp->xvel=0;
if (cp->ypos!=cp->channel[x].yloc)
		{
		if (cp->ypos<cp->channel[x].yloc) cp->yvel=1; else cp->yvel= -1;
		} else cp->yvel=0;
} else
{
if (cp->xpos!=cp->channel[x].enemy->xpos)
		{
	if (cp->xpos<cp->channel[x].enemy->xpos) cp->xvel=1; else cp->xvel= -1;
		} else cp->xvel=0;
if (cp->ypos!=cp->channel[x].enemy->ypos)
		{
	if (cp->ypos<cp->channel[x].enemy->ypos) cp->yvel=1; else cp->yvel= -1;
		} else cp->yvel=0;
}

/* arrival at location*/
if ((cp->xvel==0)&&(cp->yvel==0))
	{
	plotstatus(cp,3);
	cp->flyto= -1;
	plot1(cp," Sulu : We have arrived at the programmed location Sir.  ");
	plot2(cp,"                                                         ");
	}
}