ghost in the minesweeper shell
This commit is contained in:
aiju
parent
f0a314605f
commit
4aff59b64c
5 changed files with 333 additions and 12 deletions
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@ -46,13 +46,11 @@ struct {
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int Mine, Picture, Neighbours;
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} FieldCell;
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struct {
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int MaxX, MaxY, Mines;
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} Settings[] = { {8, 8, 10}, {16, 16, 40}, {30, 16, 99}, {0, 0, 0} };
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extern int MaxX, MaxY, Mines, Level, UnknownCell, Playing, MinesRemain, Time, Status, UseQuery, UseColor;
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extern int MaxX, MaxY, Mines, Level, UnknownCell, Playing, MinesRemain, Time, Status, UseQuery, UseGhost, UseColor;
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extern Point Origin;
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extern FieldCell **MineField;
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extern Mouse LastMouse;
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extern uchar SrcDigit0[];
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extern uchar SrcDigit1[];
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6
sys/src/games/mines/fns.h
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6
sys/src/games/mines/fns.h
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@ -0,0 +1,6 @@
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void LeftClick(Point);
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void RightClick(Point);
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void DrawButton(int);
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void InitMineField(void);
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void GhostMode(void);
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void GhostReset(void);
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283
sys/src/games/mines/ghost.c
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283
sys/src/games/mines/ghost.c
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@ -0,0 +1,283 @@
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#include <u.h>
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#include <libc.h>
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#include <draw.h>
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#include <event.h>
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#include "dat.h"
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#include "fns.h"
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enum {
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MEmpty,
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MMine,
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MUnknown,
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NState,
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};
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int ghostactive;
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int ghostwait;
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Point ghosttarget;
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static uchar ***
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neighbours(uchar **f, uchar ***n)
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{
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int x, y, p;
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if(n != nil){
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for(x = 0; x < MaxX; x++)
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for(y = 0; y < MaxY; y++)
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memset(n[x][y], 0, NState);
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}else{
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n = calloc(sizeof(void*), MaxX);
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for(x = 0; x < MaxX; x++){
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n[x] = calloc(sizeof(void*), MaxY);
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for(y = 0; y < MaxY; y++)
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n[x][y] = calloc(sizeof(uchar), NState);
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}
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}
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for(y = 0; y < MaxY; y++)
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for(x = 0; x < MaxX; x++){
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p = f[x][y];
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if(x > 0 && y > 0) n[x-1][y-1][p]++;
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if(y > 0) n[x][y-1][p]++;
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if(x < MaxX-1 && y > 0) n[x+1][y-1][p]++;
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if(x > 0) n[x-1][y][p]++;
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if(x < MaxX-1) n[x+1][y][p]++;
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if(x > 0 && y < MaxY-1) n[x-1][y+1][p]++;
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if(y < MaxY-1) n[x][y+1][p]++;
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if(x < MaxX-1 && y < MaxY-1) n[x+1][y+1][p]++;
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}
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return n;
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}
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static void
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freeneighbours(uchar ***n)
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{
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int x, y;
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if(n == nil)
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return;
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for(x = 0; x < MaxX; x++){
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for(y = 0; y < MaxY; y++)
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free(n[x][y]);
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free(n[x]);
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}
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free(n);
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}
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static int
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allneighbours(uchar **f, int x, int y, int (*fun)(uchar **, int, int, void *), void *aux)
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{
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int rc;
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rc = 0;
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if(x > 0 && y > 0) rc += fun(f, x-1, y-1, aux);
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if(y > 0) rc += fun(f, x, y-1, aux);
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if(x < MaxX-1 && y > 0) rc += fun(f, x+1, y-1, aux);
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if(x > 0) rc += fun(f, x-1, y, aux);
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if(x < MaxX-1) rc += fun(f, x+1, y, aux);
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if(x > 0 && y < MaxY-1) rc += fun(f, x-1, y+1, aux);
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if(y < MaxY-1) rc += fun(f, x, y+1, aux);
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if(x < MaxX-1 && y < MaxY-1) rc += fun(f, x+1, y+1, aux);
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return rc;
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}
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typedef struct {
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int mines, pts;
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Point pt[8];
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} CList;
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static int
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addlist(uchar **f, int x, int y, void *aux)
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{
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CList *c;
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c = aux;
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if(f[x][y] == MUnknown)
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c->pt[c->pts++] = (Point){x,y};
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return 0;
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}
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static void
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mklists(uchar **f, CList **clp, int *nclp)
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{
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CList *cl;
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int ncl, x, y;
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uchar ***nei;
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cl = nil;
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ncl = 0;
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nei = neighbours(f, nil);
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for(y = 0; y < MaxY; y++)
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for(x = 0; x < MaxX; x++)
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if(MineField[x][y].Picture <= Empty8 && nei[x][y][MUnknown] > 0){
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cl = realloc(cl, (ncl + 1) * sizeof(CList));
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memset(&cl[ncl], 0, sizeof(CList));
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cl[ncl].mines = MineField[x][y].Picture - nei[x][y][MMine];
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allneighbours(f, x, y, addlist, &cl[ncl]);
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ncl++;
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}
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freeneighbours(nei);
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*clp = cl;
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*nclp = ncl;
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}
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static int
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ismember(CList *c, Point p)
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{
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int i;
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for(i = 0; i < c->pts; i++)
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if(c->pt[i].x == p.x && c->pt[i].y == p.y)
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return 1;
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return 0;
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}
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static void
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merge(CList *cl, int *nclp)
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{
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int i, j, k, l;
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start:
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for(i = 0; i < *nclp; i++)
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for(j = 0; j < *nclp; j++){
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if(i == j) continue;
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for(k = 0; k < cl[i].pts; k++)
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if(!ismember(&cl[j], cl[i].pt[k]))
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goto next;
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for(k = l = 0; k < cl[j].pts; k++)
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if(!ismember(&cl[i], cl[j].pt[k]))
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cl[j].pt[l++] = cl[j].pt[k];
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cl[j].pts = l;
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cl[j].mines -= cl[i].mines;
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if(l == 0){
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memcpy(&cl[j], &cl[j+1], (*nclp - j - 1) * sizeof(CList));
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(*nclp)--;
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}
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goto start;
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next: ;
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}
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}
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static void
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ghostfind(void)
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{
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int x, y, i, j, n;
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uchar **field;
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CList *cl;
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int ncl;
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Point pd;
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int d, min;
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field = calloc(sizeof(uchar*), MaxX);
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for(x = 0; x < MaxX; x++){
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field[x] = calloc(sizeof(uchar), MaxY);
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for(y = 0; y < MaxY; y++)
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switch(MineField[x][y].Picture){
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case Empty0:
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case Empty1:
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case Empty2:
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case Empty3:
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case Empty4:
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case Empty5:
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case Empty6:
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case Empty7:
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case Empty8:
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field[x][y] = MEmpty;
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break;
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case Mark:
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field[x][y] = MMine;
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break;
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default:
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field[x][y] = MUnknown;
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}
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}
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mklists(field, &cl, &ncl);
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merge(cl, &ncl);
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ghostactive = -1;
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min = 0;
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for(i = 0; i < ncl; i++)
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if(cl[i].mines == 0 || cl[i].mines == cl[i].pts)
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for(j = 0; j < cl[i].pts; j++){
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pd = subpt(addpt(addpt(mulpt(cl[i].pt[j], 16), Pt(12+8, 57+8)), Origin), LastMouse.xy);
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d = pd.x * pd.x + pd.y * pd.y;
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if(ghostactive < 0 || d < min){
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ghostactive = 1 + (cl[i].mines == cl[i].pts);
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ghosttarget = cl[i].pt[j];
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min = d;
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}
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field[cl[i].pt[j].x][cl[i].pt[j].y] = cl[i].mines == cl[i].pts ? MMine : MEmpty;
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}
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if(ghostactive < 0){
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n = 0;
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for(x = 0; x < MaxX; x++)
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for(y = 0; y < MaxY; y++)
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if(field[x][y] == MUnknown)
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n++;
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if(n == 0) goto done;
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n = lrand() % n;
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for(x = 0; x < MaxX; x++)
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for(y = 0; y < MaxY; y++)
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if(field[x][y] == MUnknown && n-- == 0){
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ghostactive = 1;
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ghosttarget = Pt(x, y);
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goto done;
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}
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done:;
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}
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for(x = 0; x < MaxX; x++)
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free(field[x]);
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free(field);
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free(cl);
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}
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void
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GhostMode(void)
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{
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Point p, q;
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double d;
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if(ghostwait > 0){
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ghostwait--;
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return;
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}
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if(Status != Game){
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ghostactive = 0;
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p = Pt(Origin.x + MaxX * 8 + 12, Origin.y + 28);
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if(ptinrect(LastMouse.xy, insetrect(Rpt(p, p), -4))){
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InitMineField();
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eresized(0);
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}
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goto move;
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}
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if(!ghostactive)
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ghostfind();
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if(ghostactive > 0){
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p = addpt(addpt(mulpt(ghosttarget, 16), Pt(12+8, 57+8)), Origin);
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if(ptinrect(LastMouse.xy, insetrect(Rpt(p, p), -4))){
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switch(ghostactive){
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case 1: LeftClick(ghosttarget); break;
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case 2: RightClick(ghosttarget); break;
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}
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if(Status != Game) ghostwait = 100;
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DrawButton(Status);
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flushimage(display, 1);
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ghostactive = 0;
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return;
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}
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move:
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q = subpt(p, LastMouse.xy);
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d = hypot(q.x, q.y);
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d = 2 / d * (1 + d / (400 + d));
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LastMouse.xy.x += ceil(q.x * d);
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LastMouse.xy.y += ceil(q.y * d);
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emoveto(LastMouse.xy);
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}
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}
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void
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GhostReset(void)
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{
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ghostactive = 0;
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ghostwait = 0;
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}
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@ -3,10 +3,16 @@
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#include <draw.h>
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#include <event.h>
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#include "dat.h"
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#include "fns.h"
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int MaxX, MaxY, Mines, Level, UnknownCell, Playing, MinesRemain, Time, Status, UseQuery = TRUE, UseColor = TRUE;
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struct {
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int MaxX, MaxY, Mines;
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} Settings[] = { {8, 8, 10}, {16, 16, 40}, {30, 16, 99}, {0, 0, 0} };
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int MaxX, MaxY, Mines, Level, UnknownCell, Playing, MinesRemain, Time, Status, UseQuery = TRUE, UseGhost = FALSE, UseColor = TRUE;
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Point Origin;
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Mouse LastMouse;
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Image *RGB000000, *RGB0000FF, *RGB007F00, *RGB7F7F7F, *RGBBFBFBF, *RGBFF0000, *RGBFFFF00, *RGBFFFFFF, *ImageButton[5], *ImageSign, *ImageDigit[10], *ImageCell[16];
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@ -374,13 +380,19 @@ void RightClick(Point Cell) {
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void Usage(void) {
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fprint(2, "Usage: %s\n", argv0);
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fprint(2, "Usage: %s [-aeq]\n", argv0);
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exits("usage");
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}
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void main(int argc, char **argv) {
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Level = Beginner;
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ARGBEGIN {
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case 'a': Level = Advanced; break;
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case 'e': Level = Expert; break;
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case 'q': UseQuery = FALSE; break;
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case 'g': UseGhost = TRUE; break;
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default:
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Usage();
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} ARGEND
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@ -499,7 +511,7 @@ void main(int argc, char **argv) {
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srand(time(0)); /* initialize generator of random numbers */
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NewMineField(Beginner);
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NewMineField(Level);
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eresized(0);
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@ -507,22 +519,40 @@ void main(int argc, char **argv) {
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{
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int PushButton = FALSE, Button = FALSE, CurrentButton, ChargedButton = FALSE, MiddleButton = FALSE, LastButton = 0;
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int Counter = 0;
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ulong Key, Etimer;
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uvlong LastAction;
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Event Event;
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Point CurrentCell, Cell = Pt(-1, -1);
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Etimer = etimer(0, 1000);
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Etimer = etimer(0, UseGhost ? 10 : 1000);
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LastAction = nsec();
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for(;;) {
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Key = event(&Event);
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if(Key == Etimer) {
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if(Playing && Time < INT_MAX)
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DisplayCounter(Origin.x -34 + MaxX * 16, ++Time);
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if(nsec() - LastAction > 5000000000ULL && LastMouse.buttons == 0)
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GhostMode();
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if(++Counter == (UseGhost ? 100 : 1)){
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Counter = 0;
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if(Playing && Time < INT_MAX)
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DisplayCounter(Origin.x -34 + MaxX * 16, ++Time);
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}
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}
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if(Key == Emouse) {
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if(!eqpt(LastMouse.xy, Event.mouse.xy) || LastMouse.buttons != Event.mouse.buttons){
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LastAction = nsec();
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GhostReset();
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}
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LastMouse = Event.mouse;
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/* mouse over button? */
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CurrentButton = FALSE;
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@ -626,6 +656,9 @@ void main(int argc, char **argv) {
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}
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if(Key == Ekeyboard) {
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LastAction = nsec();
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GhostReset();
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switch(Event.kbdc) {
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case 'n':
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@ -4,9 +4,10 @@ TARG=mines
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OFILES=\
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mines.$O \
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ghost.$O \
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gfx.$O \
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HFILES=dat.h
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HFILES=dat.h fns.h
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BIN=/$objtype/bin/games
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