steed/stead/object.lua
2010-06-25 09:31:54 +00:00

108 lines
2.4 KiB
Lua

function player_use(self, what, onwhat, ...)
local obj, obj2, v, vv, r;
local scene_use_mode = false
obj = self:srch(what); -- in inv?
if not obj then -- no
obj = ref(self.where):srch(what); -- in scene?
if not obj then -- no!
return game.err, false;
end
scene_use_mode = true -- scene_use_mode!
end
if onwhat == nil then -- only one?
if scene_use_mode then
return self:action(what, unpack(arg)); -- call act
else
v, r = call(ref(obj),'inv', unpack(arg)); -- call inv
end
if not v and r ~= true then
v, r = call(game, 'inv', obj, unpack(arg));
end
return v, r;
end
obj2 = ref(self.where):srch(onwhat); -- in scene?
if not obj2 then
obj2 = self:srch(onwhat); -- in inv?
end
if not obj2 or obj2 == obj then
return game.err, false;
end
obj = ref(obj)
obj2 = ref(obj2)
if not scene_use_mode or isSceneUse(obj) then
v, r = call(obj, 'use', obj2, unpack(arg));
if r ~= false then
vv = call(obj2, 'used', obj, unpack(arg));
end
end
if not v and not vv then
v, r = call(game, 'use', obj, obj2, unpack(arg));
end
return stead.par(' ', v, vv);
end
pl.use = player_use;
function vobj_save(self, name, h, need)
local w
w = deref(self.where)
if w == nil then
w = "nil"
else
w = stead.string.format("%q", w)
end
if need then
h:write(stead.string.format("%s = vobj(%q,%q,%s);\n",
name, tostring(self.nam), tostring(self.dsc), w));
end
savemembers(h, self, name, false);
end
function vobj_act(self, ...)
local o, r = here():srch(self); -- self.nam
if ref(o) and ref(o).where then
return goto(ref(o).where);
end
return call(ref(r),'act', self.nam, unpack(arg));
end
function vobj_used(self, ...)
local o, r = here():srch(self.nam);
return call(ref(r),'used', self.nam, unpack(arg));
end
function vobj_use(self, ...)
local o, r = here():srch(self.nam);
return call(ref(r),'use', self.nam, unpack(arg));
end
function vobj(name, dsc, w)
return obj{ nam = tostring(name),
vobject_type = true,
dsc = dsc,
where = deref(w),
act = vobj_act,
used = vobj_used,
use = vobj_use,
save = vobj_save };
end
function vway(name, dsc, w)
-- o.object_type = true;
return obj{ nam = tostring(name),
vobject_type = true,
dsc = dsc,
act = vobj_act,
where = deref(w),
used = vobj_used,
use = vobj_use,
save = vobj_save };
end
function isVobject(v)
return (type(v) == 'table') and (v.vobject_type)
end