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#include <u.h>
#include <libc.h>
#include <bio.h>
#include <thread.h>
#include <draw.h>
#include <mouse.h>
#include <cursor.h>
#include <keyboard.h>
#include <geometry.h>
#include "dat.h"
#include "fns.h"
#include "mixer.h"
/* Nexus-9 technology from The Rosen Association */
static char *nametab[] = {
"hannibal",
"luba",
"roy",
"irmgard",
"buster",
"rachael",
"phil",
"pris",
"polokov",
"zhora",
"kowalski",
"luv",
"sapper",
"freysa",
"mariette",
};
Point2 nwes[] = {
{0,-1,0},
{-1,0,0}, {1,0,0},
{0,1,0},
};
static char *
getaname(void)
{
return nametab[ntruerand(nelem(nametab))];
}
static void
turnaround(Andy *a)
{
if(--a->passes > 0){
a->passdir = mulpt2(a->passdir, -1);
a->lastshot = a->firsthit;
}else
a->disengage(a);
}
static void
andy_layout(Andy *a, Msg *m)
{
/* TODO write a real layout algorithm */
m->body = estrdup("layout f9v,g6v,b12v,c15v,l14v");
sendp(a->ego->battle->data, m);
}
static void
andy_shoot(Andy *a, Msg *m)
{
Point2 cell;
Retry:
switch(a->state){
case ASearching:
do
cell = Pt2(ntruerand(MAPW), ntruerand(MAPH), 1);
while(gettile(a, cell) != Twater);
break;
case ACalibrating:
do
cell = addpt2(a->firsthit, nwes[--a->ntries&3]);
while(gettile(a, cell) != Twater && a->ntries > 1);
if(a->ntries < 1 && gettile(a, cell) != Twater){
a->disengage(a);
goto Retry;
}
break;
case ABombing:
cell = addpt2(a->lastshot, a->passdir);
if(gettile(a, cell) != Twater){
turnaround(a);
goto Retry;
}
break;
}
m->body = smprint("shoot %s", cell2coords(cell));
sendp(a->ego->battle->data, m);
a->lastshot = cell;
}
static void
andy_engage(Andy *a)
{
a->firsthit = a->lastshot;
a->state = ACalibrating;
a->ntries = nelem(nwes);
a->passes = 2;
}
static void
andy_disengage(Andy *a)
{
a->state = ASearching;
}
static void
andy_registerhit(Andy *a)
{
settile(a, a->lastshot, Thit);
if(a->state == ASearching)
a->engage(a);
else if(a->state == ACalibrating){
a->passdir = subpt2(a->lastshot, a->firsthit);
a->state = ABombing;
}
}
static void
andy_registermiss(Andy *a)
{
settile(a, a->lastshot, Tmiss);
if(a->state == ACalibrating && a->ntries < 1)
a->disengage(a);
else if(a->state == ABombing)
turnaround(a);
}
Andy *
newandy(Player *p)
{
Andy *a;
a = emalloc(sizeof *a);
a->ego = p;
snprint(p->name, sizeof p->name, "%s", getaname());
a->state = ASearching;
a->layout = andy_layout;
a->shoot = andy_shoot;
a->engage = andy_engage;
a->disengage = andy_disengage;
a->registerhit = andy_registerhit;
a->registermiss = andy_registermiss;
return a;
}
void
freeandy(Andy *a)
{
free(a);
}
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