diff options
Diffstat (limited to 'grid.c')
-rw-r--r-- | grid.c | 163 |
1 files changed, 163 insertions, 0 deletions
@@ -0,0 +1,163 @@ +#include <u.h> +#include <libc.h> +#include <draw.h> +#include <geometry.h> +#include <event.h> +#include <keyboard.h> + +enum { + Cbg, + Cfg, + Ctxtbg, + NCOLOR +}; + +enum { + TW = 32, + TH = 32 +}; + +typedef struct Tile Tile; +struct Tile +{ + char *name; + char id; + Image *img; +}; + +Image *pal[NCOLOR]; +Tile tiles[] = { + { .name = "tl", .id = 'n' }, + { .name = "tr", .id = 'e' }, + { .name = "bl", .id = 'w' }, + { .name = "br", .id = 's' }, + { .name = "hori", .id = 'H' }, + { .name = "vert", .id = 'V' }, + { .name = "grass", .id = 'g' } +}; +RFrame worldrf; +char *map[] = { + "nHHHHe", + "VggggV", + "VggggV", + "VggggV", + "wHHHHs" +}; +Point mpos; + +Point +toscreen(Point2 p) +{ + p = invrframexform(p, worldrf); + return Pt(p.x,p.y); +} + +Point2 +fromscreen(Point p) +{ + return rframexform(Pt2(p.x,p.y,1), worldrf); +} + +void +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); +} + +void +inittiles(void) +{ + char path[256]; + int fd, i; + + for(i = 0; i < nelem(tiles); i++){ + snprint(path, sizeof path, "asset/tile/%s.pic", tiles[i].name); + fd = open(path, OREAD); + tiles[i].img = readimage(display, fd, 0); + close(fd); + } +} + +void +drawstats(void) +{ + char s[256]; + + snprint(s, sizeof s, "%v", fromscreen(mpos)); + stringbg(screen, addpt(screen->r.min, Pt(20,20)), pal[Cfg], ZP, font, s, pal[Ctxtbg], ZP); +} + +void +redraw(void) +{ + Point2 dp; + int i, j; + char *row; + + 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); + 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); + } + drawstats(); + flushimage(display, 1); +} + +void +usage(void) +{ + fprint(2, "usage: %s\n", argv0); + exits("usage"); +} + +void +main(int argc, char *argv[]) +{ + Event e; + + GEOMfmtinstall(); + ARGBEGIN{ + default: usage(); + }ARGEND; + if(argc > 0) + usage(); + if(initdraw(nil, nil, nil) < 0) + 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)); + worldrf.bx = Vec2(1,0); + worldrf.by = Vec2(0,1); + einit(Emouse|Ekeyboard); + redraw(); + for(;;) + switch(event(&e)){ + case Emouse: + mpos = e.mouse.xy; + redraw(); + break; + case Ekeyboard: + switch(e.kbdc){ + case 'q': + case Kdel: + exits(0); + } + break; + } +} + +void +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)); + redraw(); +} |