mirror of
https://github.com/worldforge/cyphesis
synced 2026-08-13 12:26:04 -04:00
129 lines
3.7 KiB
C++
129 lines
3.7 KiB
C++
// Cyphesis Online RPG Server and AI Engine
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// Copyright (C) 2005 Alistair Riddoch
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//
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// This program 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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// This program 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 this program; if not, write to the Free Software Foundation,
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// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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// $Id$
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#include "ScriptFactory.h"
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#include "rulesets/Py_Thing.h"
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#include "rulesets/Python_Script_Utils.h"
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#include "rulesets/PythonEntityScript.h"
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#include "rulesets/Entity.h"
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#include "common/log.h"
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#include "common/compose.hpp"
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/// \brief ScriptKit constructor
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///
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/// @param package name of the script package scripts are to be created from
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/// @param type name of the type instanced to create scripts
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ScriptKit::ScriptKit(const std::string & package,
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const std::string & type) : m_package(package),
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m_type(type)
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{
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}
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ScriptKit::~ScriptKit()
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{
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}
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/// \brief Retrieve the pythonclass object from the module which has
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/// already been loaded.
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int PythonScriptFactory::getClass()
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{
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m_class = Get_PyClass(m_module, m_package, m_type);
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if (m_class == 0) {
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return -1;
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}
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if (!PyType_IsSubtype((PyTypeObject*)m_class, &PyEntity_Type) &&
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!PyType_IsSubtype((PyTypeObject*)m_class, &PyCharacter_Type)) {
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log(ERROR, String::compose("Python class does not inherit from "
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"a core server type. \"%1.%2\"",
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m_package, m_type));
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Py_DECREF(m_class);
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m_class = 0;
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return -1;
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}
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return 0;
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}
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/// \brief PythonScriptFactory constructor
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///
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/// @param package Name of the script package where the script type is
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/// @param type Name of the scrpt types instanced by this factory
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PythonScriptFactory::PythonScriptFactory(const std::string & package,
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const std::string & type) :
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ScriptKit(package, type),
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m_module(0), m_class(0)
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{
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// FIXME #4 This sort of code should not be in the constructor
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m_module = Get_PyModule(m_package);
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if (m_module == NULL) {
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return;
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}
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getClass();
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}
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PythonScriptFactory::~PythonScriptFactory()
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{
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if (m_class != 0) {
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Py_DECREF(m_class);
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}
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if (m_module != 0) {
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Py_DECREF(m_module);
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}
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}
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int PythonScriptFactory::addScript(Entity * entity)
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{
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if (m_class == 0) {
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return -1;
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}
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PyEntity * wrapper = newPyEntity();
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wrapper->m_entity.e = entity;
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PyObject * script = Create_PyScript((PyObject *)wrapper, m_class);
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Py_DECREF(wrapper);
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if (script != NULL) {
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entity->setScript(new PythonEntityScript(script));
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Py_DECREF(script);
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}
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return (script == NULL) ? -1 : 0;
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}
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int PythonScriptFactory::refreshClass()
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{
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if (m_module == 0) {
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return -1;
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}
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PyObject * new_module = PyImport_ReloadModule(m_module);
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if (new_module == 0) {
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log(ERROR, String::compose("Error reloading python module \"%1\"",
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m_package));
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PyErr_Clear();
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return -1;
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}
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Py_DECREF(m_module);
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m_module = new_module;
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return getClass();
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}
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