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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2003 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "base/gameDetector.h"
#include "base/plugins.h"
#include "base/engine.h"
// Factory functions => no need to include the specific classes
// in this header. This serves two purposes:
// 1) Clean seperation from the game modules (scumm, simon) and the generic code
// 2) Faster (compiler doesn't have to parse lengthy header files)
#ifndef DISABLE_SCUMM
extern const TargetSettings *Engine_SCUMM_targetList();
extern Engine *Engine_SCUMM_create(GameDetector *detector, OSystem *syst);
#endif
#ifndef DISABLE_SIMON
extern Engine *Engine_SIMON_create(GameDetector *detector, OSystem *syst);
extern const TargetSettings *Engine_SIMON_targetList();
#endif
#ifndef DISABLE_SKY
extern const TargetSettings *Engine_SKY_targetList();
extern Engine *Engine_SKY_create(GameDetector *detector, OSystem *syst);
#endif
#ifndef DISABLE_SWORD2
extern const TargetSettings *Engine_SWORD2_targetList();
extern Engine *Engine_SWORD2_create(GameDetector *detector, OSystem *syst);
#endif
#pragma mark -
PluginManager *g_pluginManager = 0;
#pragma mark -
int Plugin::countTargets() const {
const TargetSettings *target = getTargets();
int count;
for (count = 0; target->targetName; target++, count++)
;
return count;
}
const TargetSettings *Plugin::findTarget(const char *targetName) const {
// Find the TargetSettings for this target
const TargetSettings *target = getTargets();
assert(targetName);
while (target->targetName) {
if (!scumm_stricmp(target->targetName, targetName)) {
return target;
}
target++;
}
return 0;
}
#pragma mark -
class StaticPlugin : public Plugin {
const char *_name;
const TargetSettings *_targets;
int _targetCount;
EngineFactory _ef;
public:
StaticPlugin(const char *name, const TargetSettings *targets, EngineFactory ef)
: _name(name), _targets(targets), _ef(ef) {
_targetCount = Plugin::countTargets();
}
const char *getName() const { return _name; }
int getVersion() const { return 0; }
int countTargets() const { return _targetCount; }
const TargetSettings *getTargets() const { return _targets; }
Engine *createInstance(GameDetector *detector, OSystem *syst) const {
return (*_ef)(detector, syst);
}
};
#pragma mark -
PluginManager::PluginManager() {
}
PluginManager::~PluginManager() {
// Explicitly unload all loaded plugins
unloadPlugins();
}
void PluginManager::loadPlugins() {
#ifndef DISABLE_SCUMM
_plugins.push_back(new StaticPlugin("scumm", Engine_SCUMM_targetList(), Engine_SCUMM_create));
#endif
#ifndef DISABLE_SIMON
_plugins.push_back(new StaticPlugin("simon", Engine_SIMON_targetList(), Engine_SIMON_create));
#endif
#ifndef DISABLE_SKY
_plugins.push_back(new StaticPlugin("sky", Engine_SKY_targetList(), Engine_SKY_create));
#endif
#ifndef DISABLE_SWORD2
_plugins.push_back(new StaticPlugin("sword2", Engine_SWORD2_targetList(), Engine_SWORD2_create));
#endif
}
void PluginManager::unloadPlugins() {
int i;
for (i = 0; i < _plugins.size(); i++) {
_plugins[i]->unloadPlugin();
delete _plugins[i];
}
_plugins.clear();
}
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