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1a489aafaf
As noted, on Viewport dispose, RMXP always calls the core dispose method for child objects regardless of whether user scripts override it in sub classes. Implement this behavior in mkxp to prevent infinite recursion.
114 lines
2.5 KiB
C++
114 lines
2.5 KiB
C++
/*
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** disposable-binding.h
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**
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** This file is part of mkxp.
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**
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** Copyright (C) 2013 Jonas Kulla <Nyocurio@gmail.com>
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**
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** mkxp is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 2 of the License, or
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** (at your option) any later version.
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**
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** mkxp is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with mkxp. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef DISPOSABLEBINDING_H
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#define DISPOSABLEBINDING_H
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#include "disposable.h"
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#include "binding-util.h"
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/* 'Children' are disposables that are disposed together
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* with their parent. Currently this is only used by Viewport
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* in RGSS1.
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* FIXME: Disable this behavior when RGSS2 or 3 */
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inline void
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disposableAddChild(VALUE disp, VALUE child)
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{
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VALUE children = rb_iv_get(disp, "children");
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if (NIL_P(children))
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{
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children = rb_ary_new();
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rb_iv_set(disp, "children", children);
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}
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/* Assumes children are never removed until destruction */
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rb_ary_push(children, child);
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}
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inline void
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disposableDisposeChildren(VALUE disp)
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{
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VALUE children = rb_iv_get(disp, "children");
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if (NIL_P(children))
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return;
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ID dispFun = rb_intern("_mkxp_dispose_alias");
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for (long i = 0; i < RARRAY_LEN(children); ++i)
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rb_funcall2(rb_ary_entry(children, i), dispFun, 0, 0);
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}
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template<class C>
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RB_METHOD(disposableDispose)
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{
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RB_UNUSED_PARAM;
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C *d = getPrivateData<C>(self);
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if (!d)
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return Qnil;
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/* Nothing to do if already disposed */
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if (d->isDisposed())
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return Qnil;
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disposableDisposeChildren(self);
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d->dispose();
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return Qnil;
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}
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template<class C>
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RB_METHOD(disposableIsDisposed)
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{
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RB_UNUSED_PARAM;
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C *d = getPrivateData<C>(self);
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if (!d)
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return Qtrue;
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return rb_bool_new(d->isDisposed());
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}
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template<class C>
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static void disposableBindingInit(VALUE klass)
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{
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_rb_define_method(klass, "dispose", disposableDispose<C>);
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_rb_define_method(klass, "disposed?", disposableIsDisposed<C>);
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/* Make sure we always have access to the original method, even
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* if it is overridden by user scripts */
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rb_define_alias(klass, "_mkxp_dispose_alias", "dispose");
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}
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template<class C>
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inline void
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checkDisposed(VALUE self)
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{
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if (disposableIsDisposed<C>(0, 0, self) == Qtrue)
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raiseDisposedAccess(self);
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}
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#endif // DISPOSABLEBINDING_H
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