diff options
| -rw-r--r-- | grid.c | 74 |
1 files changed, 66 insertions, 8 deletions
@@ -9,6 +9,8 @@ enum { Cbg, Cfg, Ctxtbg, + Cgrid0, + Cgrid1, NCOLOR }; @@ -44,6 +46,8 @@ char *map[] = { "wHHHs" }; Point mpos; +Point2 spacegrid[10][10]; +int showgrid; Point toscreen(Point2 p) @@ -64,6 +68,8 @@ initpalette(void) pal[Cbg] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DBlack); pal[Cfg] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DDarkblue); pal[Ctxtbg] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPaleyellow); + pal[Cgrid0] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DRed); + pal[Cgrid1] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DBlue); } void @@ -81,6 +87,16 @@ inittiles(void) } void +initgrid(void) +{ + int i, j; + + for(i = 0; i < nelem(spacegrid); i++) + for(j = 0; j < nelem(spacegrid[i]); j++) + spacegrid[i][j] = Pt2(j*TW, i*TH, 1); +} + +void drawstats(void) { Point2 mp, p; @@ -98,6 +114,28 @@ drawstats(void) } void +drawgrid(void) +{ + int i, j; + + for(i = 0; i < nelem(spacegrid); i++) + line(screen, toscreen(spacegrid[i][0]), toscreen(spacegrid[i][nelem(spacegrid[i])-1]), Endsquare, Endsquare, 0, pal[Cgrid0], ZP); + for(j = 0; j < nelem(spacegrid[0]); j++) + line(screen, toscreen(spacegrid[0][j]), toscreen(spacegrid[nelem(spacegrid)-1][j]), Endsquare, Endsquare, 0, pal[Cgrid1], ZP); +} + +void +drawtile(Tile *t, Point2 cell) +{ + Point p; + cell.x *= TW; + cell.y *= TH; + p = toscreen(cell); + p.y -= Dy(t->img->r)-TH; + draw(screen, Rpt(p,addpt(p, Pt(TW,Dy(t->img->r)))), t->img, nil, ZP); +} + +void redraw(void) { Point2 dp; @@ -107,16 +145,37 @@ redraw(void) draw(screen, screen->r, pal[Cbg], nil, ZP); for(i = 0; i < nelem(map); i++) for(row = map[i]; *row; row++){ - dp = Pt2((row-map[i])*TW,i*TH,1); + dp = Pt2((row-map[i]),i,1); for(j = 0; j < nelem(tiles); j++) if(tiles[j].id == *row) - draw(screen, Rpt(toscreen(dp),addpt(toscreen(dp), Pt(TW,TH))), tiles[j].img, nil, ZP); + drawtile(&tiles[j], dp); } drawstats(); + if(showgrid) + drawgrid(); flushimage(display, 1); } void +mmb(Mouse *m) +{ + enum { + SHOWGRID, + }; + static char *items[] = { + [SHOWGRID] "toggle grid", + nil + }; + static Menu menu = { .item = items }; + + switch(emenuhit(2, m, &menu)){ + case SHOWGRID: + showgrid ^= 1; + break; + } +} + +void usage(void) { fprint(2, "usage: %s\n", argv0); @@ -138,8 +197,8 @@ main(int argc, char *argv[]) sysfatal("initdraw: %r"); initpalette(); inittiles(); - worldrf.p = Pt2(screen->r.min.x,screen->r.min.y,1); - worldrf.p = addpt2(worldrf.p, Vec2(Dx(screen->r)/2,Dy(screen->r)/3)); + initgrid(); + worldrf.p = Pt2(screen->r.min.x+Dx(screen->r)/2,screen->r.min.y+Dy(screen->r)/3,1); worldrf.bx = Vec2(1,0); worldrf.by = Vec2(0,1); einit(Emouse|Ekeyboard); @@ -148,8 +207,8 @@ main(int argc, char *argv[]) switch(event(&e)){ case Emouse: mpos = e.mouse.xy; - if((e.mouse.buttons&1) != 0) - worldrf.p = Pt2(e.mouse.xy.x,e.mouse.xy.y,1); + if((e.mouse.buttons&2) != 0) + mmb(&e.mouse); redraw(); break; case Ekeyboard: @@ -167,7 +226,6 @@ eresized(int) { if(getwindow(display, Refnone) < 0) sysfatal("resize failed"); - worldrf.p = Pt2(screen->r.min.x,screen->r.min.y,1); - worldrf.p = addpt2(worldrf.p, Vec2(Dx(screen->r)/2,Dy(screen->r)/3)); + worldrf.p = Pt2(screen->r.min.x+Dx(screen->r)/2,screen->r.min.y+Dy(screen->r)/3,1); redraw(); } |