ref: 45c882a6aea8e02784e79c2e26d2ed5286556ddd
parent: edeb04e983d288351adc1a0d7907caa08501913b
author: qwx <qwx@sciops.net>
date: Fri Apr 23 11:04:34 EDT 2021
path: check for placement on non-free block our map data structures kind of really suck
--- a/path.c
+++ b/path.c
@@ -75,11 +75,44 @@
return (*row & 1ULL << 63) != 0;
}
+static Mobj *
+unitat(int px, int py)
+{+ int x, y;
+ Rectangle r, mr;
+ Map *m;
+ Mobjl *ml;
+ Mobj *mo;
+
+ x = px / Node2Tile;
+ y = py / Node2Tile;
+ r = Rect(x-4, y-4, x, y);
+ for(; y>=r.min.y; y--)
+ for(x=r.max.x, m=map+y*mapwidth+x; x>=r.min.x; x--)
+ for(ml=m->ml.l; ml!=&m->ml; ml=ml->l){+ mo = ml->mo;
+ mr.min.x = mo->x;
+ mr.min.y = mo->y;
+ mr.max.x = mr.min.x + mo->o->w;
+ mr.max.y = mr.min.y + mo->o->h;
+ if(px >= mo->x && px <= mo->x + mo->o->w
+ && py >= mo->y && py <= mo->y + mo->o->h)
+ return mo;
+ }
+ return nil;
+}
+
void
markmobj(Mobj *mo, int set)
{int w, h;
+ Mobj *bmo;
+ if(isblocked(mo->x, mo->y, mo->o)){+ bmo = unitat(mo->x, mo->y);
+ sysfatal("markmobj: attempt to place %s at %d,%d, non-free block having %s at %d,%d",+ mo->o->name, mo->x, mo->y, bmo->o->name, bmo->x, bmo->y);
+ }
w = mo->o->w;
if((mo->subpx & Subpxmask) != 0 && mo->x != (mo->px + 1) / Nodewidth)
w++;