ghost in the minesweeper shell

This commit is contained in:
aiju 2018-02-25 02:50:24 +00:00
parent f0a314605f
commit 4aff59b64c
5 changed files with 333 additions and 12 deletions

View file

@ -46,13 +46,11 @@ struct {
int Mine, Picture, Neighbours;
} FieldCell;
struct {
int MaxX, MaxY, Mines;
} Settings[] = { {8, 8, 10}, {16, 16, 40}, {30, 16, 99}, {0, 0, 0} };
extern int MaxX, MaxY, Mines, Level, UnknownCell, Playing, MinesRemain, Time, Status, UseQuery, UseColor;
extern int MaxX, MaxY, Mines, Level, UnknownCell, Playing, MinesRemain, Time, Status, UseQuery, UseGhost, UseColor;
extern Point Origin;
extern FieldCell **MineField;
extern Mouse LastMouse;
extern uchar SrcDigit0[];
extern uchar SrcDigit1[];

View file

@ -0,0 +1,6 @@
void LeftClick(Point);
void RightClick(Point);
void DrawButton(int);
void InitMineField(void);
void GhostMode(void);
void GhostReset(void);

283
sys/src/games/mines/ghost.c Normal file
View file

@ -0,0 +1,283 @@
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <event.h>
#include "dat.h"
#include "fns.h"
enum {
MEmpty,
MMine,
MUnknown,
NState,
};
int ghostactive;
int ghostwait;
Point ghosttarget;
static uchar ***
neighbours(uchar **f, uchar ***n)
{
int x, y, p;
if(n != nil){
for(x = 0; x < MaxX; x++)
for(y = 0; y < MaxY; y++)
memset(n[x][y], 0, NState);
}else{
n = calloc(sizeof(void*), MaxX);
for(x = 0; x < MaxX; x++){
n[x] = calloc(sizeof(void*), MaxY);
for(y = 0; y < MaxY; y++)
n[x][y] = calloc(sizeof(uchar), NState);
}
}
for(y = 0; y < MaxY; y++)
for(x = 0; x < MaxX; x++){
p = f[x][y];
if(x > 0 && y > 0) n[x-1][y-1][p]++;
if(y > 0) n[x][y-1][p]++;
if(x < MaxX-1 && y > 0) n[x+1][y-1][p]++;
if(x > 0) n[x-1][y][p]++;
if(x < MaxX-1) n[x+1][y][p]++;
if(x > 0 && y < MaxY-1) n[x-1][y+1][p]++;
if(y < MaxY-1) n[x][y+1][p]++;
if(x < MaxX-1 && y < MaxY-1) n[x+1][y+1][p]++;
}
return n;
}
static void
freeneighbours(uchar ***n)
{
int x, y;
if(n == nil)
return;
for(x = 0; x < MaxX; x++){
for(y = 0; y < MaxY; y++)
free(n[x][y]);
free(n[x]);
}
free(n);
}
static int
allneighbours(uchar **f, int x, int y, int (*fun)(uchar **, int, int, void *), void *aux)
{
int rc;
rc = 0;
if(x > 0 && y > 0) rc += fun(f, x-1, y-1, aux);
if(y > 0) rc += fun(f, x, y-1, aux);
if(x < MaxX-1 && y > 0) rc += fun(f, x+1, y-1, aux);
if(x > 0) rc += fun(f, x-1, y, aux);
if(x < MaxX-1) rc += fun(f, x+1, y, aux);
if(x > 0 && y < MaxY-1) rc += fun(f, x-1, y+1, aux);
if(y < MaxY-1) rc += fun(f, x, y+1, aux);
if(x < MaxX-1 && y < MaxY-1) rc += fun(f, x+1, y+1, aux);
return rc;
}
typedef struct {
int mines, pts;
Point pt[8];
} CList;
static int
addlist(uchar **f, int x, int y, void *aux)
{
CList *c;
c = aux;
if(f[x][y] == MUnknown)
c->pt[c->pts++] = (Point){x,y};
return 0;
}
static void
mklists(uchar **f, CList **clp, int *nclp)
{
CList *cl;
int ncl, x, y;
uchar ***nei;
cl = nil;
ncl = 0;
nei = neighbours(f, nil);
for(y = 0; y < MaxY; y++)
for(x = 0; x < MaxX; x++)
if(MineField[x][y].Picture <= Empty8 && nei[x][y][MUnknown] > 0){
cl = realloc(cl, (ncl + 1) * sizeof(CList));
memset(&cl[ncl], 0, sizeof(CList));
cl[ncl].mines = MineField[x][y].Picture - nei[x][y][MMine];
allneighbours(f, x, y, addlist, &cl[ncl]);
ncl++;
}
freeneighbours(nei);
*clp = cl;
*nclp = ncl;
}
static int
ismember(CList *c, Point p)
{
int i;
for(i = 0; i < c->pts; i++)
if(c->pt[i].x == p.x && c->pt[i].y == p.y)
return 1;
return 0;
}
static void
merge(CList *cl, int *nclp)
{
int i, j, k, l;
start:
for(i = 0; i < *nclp; i++)
for(j = 0; j < *nclp; j++){
if(i == j) continue;
for(k = 0; k < cl[i].pts; k++)
if(!ismember(&cl[j], cl[i].pt[k]))
goto next;
for(k = l = 0; k < cl[j].pts; k++)
if(!ismember(&cl[i], cl[j].pt[k]))
cl[j].pt[l++] = cl[j].pt[k];
cl[j].pts = l;
cl[j].mines -= cl[i].mines;
if(l == 0){
memcpy(&cl[j], &cl[j+1], (*nclp - j - 1) * sizeof(CList));
(*nclp)--;
}
goto start;
next: ;
}
}
static void
ghostfind(void)
{
int x, y, i, j, n;
uchar **field;
CList *cl;
int ncl;
Point pd;
int d, min;
field = calloc(sizeof(uchar*), MaxX);
for(x = 0; x < MaxX; x++){
field[x] = calloc(sizeof(uchar), MaxY);
for(y = 0; y < MaxY; y++)
switch(MineField[x][y].Picture){
case Empty0:
case Empty1:
case Empty2:
case Empty3:
case Empty4:
case Empty5:
case Empty6:
case Empty7:
case Empty8:
field[x][y] = MEmpty;
break;
case Mark:
field[x][y] = MMine;
break;
default:
field[x][y] = MUnknown;
}
}
mklists(field, &cl, &ncl);
merge(cl, &ncl);
ghostactive = -1;
min = 0;
for(i = 0; i < ncl; i++)
if(cl[i].mines == 0 || cl[i].mines == cl[i].pts)
for(j = 0; j < cl[i].pts; j++){
pd = subpt(addpt(addpt(mulpt(cl[i].pt[j], 16), Pt(12+8, 57+8)), Origin), LastMouse.xy);
d = pd.x * pd.x + pd.y * pd.y;
if(ghostactive < 0 || d < min){
ghostactive = 1 + (cl[i].mines == cl[i].pts);
ghosttarget = cl[i].pt[j];
min = d;
}
field[cl[i].pt[j].x][cl[i].pt[j].y] = cl[i].mines == cl[i].pts ? MMine : MEmpty;
}
if(ghostactive < 0){
n = 0;
for(x = 0; x < MaxX; x++)
for(y = 0; y < MaxY; y++)
if(field[x][y] == MUnknown)
n++;
if(n == 0) goto done;
n = lrand() % n;
for(x = 0; x < MaxX; x++)
for(y = 0; y < MaxY; y++)
if(field[x][y] == MUnknown && n-- == 0){
ghostactive = 1;
ghosttarget = Pt(x, y);
goto done;
}
done:;
}
for(x = 0; x < MaxX; x++)
free(field[x]);
free(field);
free(cl);
}
void
GhostMode(void)
{
Point p, q;
double d;
if(ghostwait > 0){
ghostwait--;
return;
}
if(Status != Game){
ghostactive = 0;
p = Pt(Origin.x + MaxX * 8 + 12, Origin.y + 28);
if(ptinrect(LastMouse.xy, insetrect(Rpt(p, p), -4))){
InitMineField();
eresized(0);
}
goto move;
}
if(!ghostactive)
ghostfind();
if(ghostactive > 0){
p = addpt(addpt(mulpt(ghosttarget, 16), Pt(12+8, 57+8)), Origin);
if(ptinrect(LastMouse.xy, insetrect(Rpt(p, p), -4))){
switch(ghostactive){
case 1: LeftClick(ghosttarget); break;
case 2: RightClick(ghosttarget); break;
}
if(Status != Game) ghostwait = 100;
DrawButton(Status);
flushimage(display, 1);
ghostactive = 0;
return;
}
move:
q = subpt(p, LastMouse.xy);
d = hypot(q.x, q.y);
d = 2 / d * (1 + d / (400 + d));
LastMouse.xy.x += ceil(q.x * d);
LastMouse.xy.y += ceil(q.y * d);
emoveto(LastMouse.xy);
}
}
void
GhostReset(void)
{
ghostactive = 0;
ghostwait = 0;
}

View file

@ -3,10 +3,16 @@
#include <draw.h>
#include <event.h>
#include "dat.h"
#include "fns.h"
int MaxX, MaxY, Mines, Level, UnknownCell, Playing, MinesRemain, Time, Status, UseQuery = TRUE, UseColor = TRUE;
struct {
int MaxX, MaxY, Mines;
} Settings[] = { {8, 8, 10}, {16, 16, 40}, {30, 16, 99}, {0, 0, 0} };
int MaxX, MaxY, Mines, Level, UnknownCell, Playing, MinesRemain, Time, Status, UseQuery = TRUE, UseGhost = FALSE, UseColor = TRUE;
Point Origin;
Mouse LastMouse;
Image *RGB000000, *RGB0000FF, *RGB007F00, *RGB7F7F7F, *RGBBFBFBF, *RGBFF0000, *RGBFFFF00, *RGBFFFFFF, *ImageButton[5], *ImageSign, *ImageDigit[10], *ImageCell[16];
@ -374,13 +380,19 @@ void RightClick(Point Cell) {
void Usage(void) {
fprint(2, "Usage: %s\n", argv0);
fprint(2, "Usage: %s [-aeq]\n", argv0);
exits("usage");
}
void main(int argc, char **argv) {
Level = Beginner;
ARGBEGIN {
case 'a': Level = Advanced; break;
case 'e': Level = Expert; break;
case 'q': UseQuery = FALSE; break;
case 'g': UseGhost = TRUE; break;
default:
Usage();
} ARGEND
@ -499,7 +511,7 @@ void main(int argc, char **argv) {
srand(time(0)); /* initialize generator of random numbers */
NewMineField(Beginner);
NewMineField(Level);
eresized(0);
@ -507,22 +519,40 @@ void main(int argc, char **argv) {
{
int PushButton = FALSE, Button = FALSE, CurrentButton, ChargedButton = FALSE, MiddleButton = FALSE, LastButton = 0;
int Counter = 0;
ulong Key, Etimer;
uvlong LastAction;
Event Event;
Point CurrentCell, Cell = Pt(-1, -1);
Etimer = etimer(0, 1000);
Etimer = etimer(0, UseGhost ? 10 : 1000);
LastAction = nsec();
for(;;) {
Key = event(&Event);
if(Key == Etimer) {
if(Playing && Time < INT_MAX)
DisplayCounter(Origin.x -34 + MaxX * 16, ++Time);
if(nsec() - LastAction > 5000000000ULL && LastMouse.buttons == 0)
GhostMode();
if(++Counter == (UseGhost ? 100 : 1)){
Counter = 0;
if(Playing && Time < INT_MAX)
DisplayCounter(Origin.x -34 + MaxX * 16, ++Time);
}
}
if(Key == Emouse) {
if(!eqpt(LastMouse.xy, Event.mouse.xy) || LastMouse.buttons != Event.mouse.buttons){
LastAction = nsec();
GhostReset();
}
LastMouse = Event.mouse;
/* mouse over button? */
CurrentButton = FALSE;
@ -626,6 +656,9 @@ void main(int argc, char **argv) {
}
if(Key == Ekeyboard) {
LastAction = nsec();
GhostReset();
switch(Event.kbdc) {
case 'n':

View file

@ -4,9 +4,10 @@ TARG=mines
OFILES=\
mines.$O \
ghost.$O \
gfx.$O \
HFILES=dat.h
HFILES=dat.h fns.h
BIN=/$objtype/bin/games