ref: 05c937e347bbfc1f2758261c15ae0e5a73ada669
dir: /sim.spawn.c/
#include <u.h> #include <libc.h> #include <draw.h> #include "dat.h" #include "fns.h" Mobj * derefmobj(int idx, long uuid) { int n; Mobj *mo; Team *t; n = idx >> Teamshift & Nteam - 1; if(n < 0 || n > nteam){ werrstr("invalid team number %d", n); return nil; } t = teams + n; n = idx & Teamidxmask; if(n >= t->mobj.n || (mo = ((Mobj **)t->mobj.p)[n]) == nil){ werrstr("mobj index %d out of bounds or missing", n); return nil; } if(mo->idx != idx || mo->uuid != uuid){ werrstr("phase error: %#ux,%ld ≠ %M %#ux,%ld", idx, uuid, mo, mo->idx, mo->uuid); return nil; } return mo; } int spawnunit(Obj *o, Point p, int team) { Mobj *mo; if((mo = mapspawn(o, p)) == nil) return -1; mo->team = team; mo->θ = frand() * 256; mo->hp = o->hp; idlestate(mo); refmobj(mo); return 0; } int spawnresource(Obj *o, Point p, int amount) { Mobj *mo; if(amount <= 0){ werrstr("spawnresource: invalid amount"); return -1; } if((mo = mapspawn(o, p)) == nil) return -1; mo->team = 0; mo->amount = amount; resourcestate(mo); refmobj(mo); return 0; }