diff options
Diffstat (limited to 'util.c')
| -rw-r--r-- | util.c | 49 |
1 files changed, 46 insertions, 3 deletions
@@ -9,6 +9,13 @@ #include "fns.h" static char rowtab[] = "abcdefghijklmnopq"; +static int shiplentab[] = { + [Scarrier] 5, + [Sbattleship] 4, + [Scruiser] 3, + [Ssubmarine] 3, + [Sdestroyer] 2, +}; char * @@ -16,8 +23,8 @@ cell2coords(Point2 cell) { static char s[3+1]; - assert(cell.x < 17 && cell.x >= 0 - && cell.y < 17 && cell.y >= 0); + assert(cell.x >= 0 && cell.x < MAPW + && cell.y >= 0 && cell.y < MAPH); snprint(s, sizeof s, "%c%d", rowtab[(int)cell.y], (int)cell.x); return s; @@ -36,7 +43,43 @@ coords2cell(char *s) cell.y = p-rowtab; cell.x = strtol(s+1, nil, 10); - assert(cell.x < 17 && cell.x >= 0); + assert(cell.x >= 0 && cell.x < MAPW); return cell; } + +int +gettile(Map *m, Point2 cell) +{ + return m->map[(int)cell.x][(int)cell.y]; +} + +void +settile(Map *m, Point2 cell, int type) +{ + m->map[(int)cell.x][(int)cell.y] = type; +} + +void +settiles(Map *m, Point2 cell, int o, int ncells, int type) +{ + Point2 sv; + + switch(o){ + case OH: sv = Vec2(1,0); break; + case OV: sv = Vec2(0,1); break; + default: sysfatal("settiles: wrong ship orientation"); + } + + while(ncells-- > 0){ + settile(m, cell, type); + cell = addpt2(cell, sv); + } +} + +int +shiplen(int stype) +{ + assert(stype >= 0 && stype < NSHIPS); + return shiplentab[stype]; +} |