Yves
28bdd8540f
Changes GetProperty, SetProperty and HasProperty and a few other functions to take handles. The conversions to CScriptVal or CScriptValRooted at some places should be removed in the future. I've done that to avoid an even larger patch. Refs #2415 Refs #2462 This was SVN commit r15568.
128 lines
4.6 KiB
C++
128 lines
4.6 KiB
C++
/* Copyright (C) 2010 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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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* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "ScriptComponent.h"
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#include "simulation2/serialization/ISerializer.h"
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#include "simulation2/serialization/IDeserializer.h"
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CComponentTypeScript::CComponentTypeScript(ScriptInterface& scriptInterface, jsval instance) :
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m_ScriptInterface(scriptInterface), m_Instance(CScriptValRooted(scriptInterface.GetContext(), instance))
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{
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// Cache the property detection for efficiency
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JSContext* cx = m_ScriptInterface.GetContext();
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JSAutoRequest rq(cx);
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JS::RootedValue tmpInstance(cx, m_Instance.get()); // TODO: Check if this temporary root can be removed after SpiderMonkey 31 upgrade
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m_HasCustomSerialize = m_ScriptInterface.HasProperty(tmpInstance, "Serialize");
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m_HasCustomDeserialize = m_ScriptInterface.HasProperty(tmpInstance, "Deserialize");
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m_HasNullSerialize = false;
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if (m_HasCustomSerialize)
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{
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JS::RootedValue val(cx);
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if (m_ScriptInterface.GetProperty(tmpInstance, "Serialize", &val) && val.isNull())
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m_HasNullSerialize = true;
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}
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}
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void CComponentTypeScript::Init(const CParamNode& paramNode, entity_id_t ent)
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{
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JSContext* cx = m_ScriptInterface.GetContext();
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JSAutoRequest rq(cx);
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JS::RootedValue tmpInstance(cx, m_Instance.get()); // TODO: Check if this temporary root can be removed after SpiderMonkey 31 upgrade
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m_ScriptInterface.SetProperty(tmpInstance, "entity", (int)ent, true, false);
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m_ScriptInterface.SetProperty(tmpInstance, "template", paramNode, true, false);
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m_ScriptInterface.CallFunctionVoid(tmpInstance, "Init");
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}
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void CComponentTypeScript::Deinit()
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{
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JSContext* cx = m_ScriptInterface.GetContext();
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JSAutoRequest rq(cx);
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JS::RootedValue tmpInstance(cx, m_Instance.get()); // TODO: Check if this temporary root can be removed after SpiderMonkey 31 upgrade
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m_ScriptInterface.CallFunctionVoid(tmpInstance, "Deinit");
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}
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void CComponentTypeScript::HandleMessage(const CMessage& msg, bool global)
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{
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const char* name = global ? msg.GetScriptGlobalHandlerName() : msg.GetScriptHandlerName();
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CScriptVal msgVal = msg.ToJSValCached(m_ScriptInterface);
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if (!m_ScriptInterface.CallFunctionVoid(m_Instance.get(), name, msgVal))
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LOGERROR(L"Script message handler %hs failed", name);
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}
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void CComponentTypeScript::Serialize(ISerializer& serialize)
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{
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// If the component set Serialize = null, then do no work here
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if (m_HasNullSerialize)
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return;
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// Support a custom "Serialize" function, which returns a new object that will be
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// serialized instead of the component itself
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if (m_HasCustomSerialize)
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{
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CScriptVal val;
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if (!m_ScriptInterface.CallFunction(m_Instance.get(), "Serialize", val))
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LOGERROR(L"Script Serialize call failed");
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serialize.ScriptVal("object", val);
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}
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else
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{
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serialize.ScriptVal("object", m_Instance.get());
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}
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}
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void CComponentTypeScript::Deserialize(const CParamNode& paramNode, IDeserializer& deserialize, entity_id_t ent)
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{
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JSContext* cx = m_ScriptInterface.GetContext();
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JSAutoRequest rq(cx);
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JS::RootedValue tmpInstance(cx, m_Instance.get()); // TODO: Check if this temporary root can be removed after SpiderMonkey 31 upgrade
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// Support a custom "Deserialize" function, to which we pass the deserialized data
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// instead of automatically adding the deserialized properties onto the object
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if (m_HasCustomDeserialize)
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{
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JS::RootedValue val(cx);
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// If Serialize = null, we'll still call Deserialize but with undefined argument
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if (!m_HasNullSerialize)
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deserialize.ScriptVal("object", val.get());
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if (!m_ScriptInterface.CallFunctionVoid(tmpInstance, "Deserialize", val))
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LOGERROR(L"Script Deserialize call failed");
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}
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else
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{
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if (!m_HasNullSerialize)
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{
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// Use ScriptObjectAppend so we don't lose the carefully-constructed
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// prototype/parent of this object
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deserialize.ScriptObjectAppend("object", m_Instance.getRef());
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}
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}
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m_ScriptInterface.SetProperty(tmpInstance, "entity", (int)ent, true, false);
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m_ScriptInterface.SetProperty(tmpInstance, "template", paramNode, true, false);
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}
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