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scummvm-cursorfix/engines/ags/plugins/plugin_engine.h
2026-02-02 04:50:13 +01:00

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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
//=============================================================================
//
// Plugin system functions.
//
//=============================================================================
#ifndef AGS_ENGINE_PLUGIN_PLUGIN_ENGINE_H
#define AGS_ENGINE_PLUGIN_PLUGIN_ENGINE_H
#include "common/std/vector.h"
#include "ags/engine/ac/dynobj/cc_script_object.h"
#include "ags/engine/game/game_init.h"
#include "ags/shared/game/plugin_info.h"
#include "ags/shared/util/string.h"
namespace AGS3 {
class IAGSEngine;
namespace AGS {
namespace Shared {
class Stream;
} // namespace Shared
} // namespace AGS
using namespace AGS; // FIXME later
//
// PluginObjectReader is a managed object unserializer registered by plugin.
//
struct PluginObjectReader {
const Shared::String Type;
ICCObjectReader *const Reader = nullptr;
PluginObjectReader(const Shared::String &type, ICCObjectReader *reader)
: Type(type), Reader(reader) {}
};
void pl_stop_plugins();
void pl_startup_plugins();
NumberPtr pl_run_plugin_hooks(int event, NumberPtr data);
void pl_run_plugin_init_gfx_hooks(const char *driverName, void *data);
int pl_run_plugin_debug_hooks(const char *scriptfile, int linenum);
// Finds a plugin that wants this event, starting with pl_index;
// returns TRUE on success and fills its index and name;
// returns FALSE if no more suitable plugins found.
bool pl_query_next_plugin_for_event(int event, uint32_t &pl_index, Shared::String &pl_name);
// Runs event for a plugin identified by an index it was registered under.
int pl_run_plugin_hook_by_index(uint32_t pl_index, int event, int data);
// Runs event for a plugin identified by its name.
int pl_run_plugin_hook_by_name(Shared::String &pl_name, int event, int data);
// Tries to register plugins, either by loading dynamic libraries, or getting any kind of replacement
Engine::GameInitError pl_register_plugins(const std::vector<Shared::PluginInfo> &infos);
bool pl_is_plugin_loaded(const char *pl_name);
//returns whether _any_ plugins want a particular event
bool pl_any_want_hook(int event);
void pl_set_file_handle(long data, AGS::Shared::Stream *stream);
void pl_clear_file_handle();
bool RegisterPluginStubs(const char* name);
} // namespace AGS3
#endif