aboutsummaryrefslogtreecommitdiff
path: root/grid.c
diff options
context:
space:
mode:
Diffstat (limited to 'grid.c')
-rw-r--r--grid.c74
1 files changed, 66 insertions, 8 deletions
diff --git a/grid.c b/grid.c
index 5afd6a2..7af701b 100644
--- a/grid.c
+++ b/grid.c
@@ -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();
}