// PluginLua.cpp // Implements the cPluginLua class representing a plugin written in Lua #include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules #ifdef __APPLE__ #define LUA_USE_MACOSX #else #define LUA_USE_POSIX #endif #include "PluginLua.h" #include "../CommandOutput.h" #include "PluginManager.h" #include "../Item.h" #include "../Root.h" #include "../WebAdmin.h" extern "C" { #include "lua/src/lauxlib.h" } #undef TOLUA_TEMPLATE_BIND #include "tolua++/include/tolua++.h" //////////////////////////////////////////////////////////////////////////////// // cPluginLua: cPluginLua::cPluginLua(const AString & a_PluginDirectory, cDeadlockDetect & a_DeadlockDetect) : cPlugin(a_PluginDirectory), m_LuaState(Printf("plugin %s", a_PluginDirectory.c_str())), m_DeadlockDetect(a_DeadlockDetect) { m_LuaState.TrackInDeadlockDetect(a_DeadlockDetect); } cPluginLua::~cPluginLua() { Close(); m_LuaState.UntrackInDeadlockDetect(m_DeadlockDetect); } void cPluginLua::Close(void) { cOperation op(*this); // If already closed, bail out: if (!op().IsValid()) { ASSERT(m_HookMap.empty()); return; } // Remove the web tabs: ClearWebTabs(); // Release all the references in the hook map: m_HookMap.clear(); // Close the Lua engine: op().Close(); } bool cPluginLua::Load(void) { cOperation op(*this); if (!op().IsValid()) { m_LuaState.Create(); m_LuaState.RegisterAPILibs(); // Inject the identification global variables into the state: lua_pushlightuserdata(m_LuaState, this); lua_setglobal(m_LuaState, LUA_PLUGIN_INSTANCE_VAR_NAME); lua_pushstring(m_LuaState, GetName().c_str()); lua_setglobal(m_LuaState, LUA_PLUGIN_NAME_VAR_NAME); // Add the plugin's folder to the package.path and package.cpath variables (#693): m_LuaState.AddPackagePath("path", FILE_IO_PREFIX + GetLocalFolder() + "/?.lua"); #ifdef _WIN32 m_LuaState.AddPackagePath("cpath", GetLocalFolder() + "\\?.dll"); #else m_LuaState.AddPackagePath("cpath", FILE_IO_PREFIX + GetLocalFolder() + "/?.so"); #endif tolua_pushusertype(m_LuaState, this, "cPluginLua"); lua_setglobal(m_LuaState, "g_Plugin"); } std::string PluginPath = FILE_IO_PREFIX + GetLocalFolder() + "/"; // List all Lua files for this plugin. Info.lua has a special handling - make it the last to load: AStringVector Files = cFile::GetFolderContents(PluginPath.c_str()); AStringVector LuaFiles; bool HasInfoLua = false; for (AStringVector::const_iterator itr = Files.begin(), end = Files.end(); itr != end; ++itr) { size_t ExtensionStart = itr->find_last_of('.'); if ((ExtensionStart != std::string::npos) && (itr->substr(ExtensionStart) == ".lua")) { if (*itr == "Info.lua") { HasInfoLua = true; } else { LuaFiles.push_back(*itr); } } } std::sort(LuaFiles.begin(), LuaFiles.end()); // Warn if there are no Lua files in the plugin folder: if (LuaFiles.empty()) { SetLoadError("No lua files found, plugin is probably missing."); LOGWARNING("No lua files found: plugin %s is missing.", GetName().c_str()); Close(); return false; } // Load all files in the list, including the Info.lua as last, if it exists: for (AStringVector::const_iterator itr = LuaFiles.begin(), end = LuaFiles.end(); itr != end; ++itr) { AString Path = PluginPath + *itr; if (!m_LuaState.LoadFile(Path)) { SetLoadError(Printf("Failed to load file %s.", itr->c_str())); Close(); return false; } } // for itr - Files[] if (HasInfoLua) { AString Path = PluginPath + "Info.lua"; if (!m_LuaState.LoadFile(Path)) { SetLoadError("Failed to load file Info.lua."); Close(); return false; } } // Call the Initialize function: bool res = false; if (!m_LuaState.Call("Initialize", this, cLuaState::Return, res)) { SetLoadError("Cannot call the Initialize() function."); LOGWARNING("Error in plugin %s: Cannot call the Initialize() function. Plugin is temporarily disabled.", GetName().c_str()); Close(); return false; } if (!res) { SetLoadError("The Initialize() function failed."); LOGINFO("Plugin %s: Initialize() call failed, plugin is temporarily disabled.", GetName().c_str()); Close(); return false; } m_Status = cPluginManager::psLoaded; return true; } void cPluginLua::Unload(void) { ClearWebTabs(); super::Unload(); Close(); } void cPluginLua::OnDisable(void) { cOperation op(*this); if (!op().HasFunction("OnDisable")) { return; } op().Call("OnDisable"); } void cPluginLua::Tick(float a_Dt) { CallSimpleHooks(cPluginManager::HOOK_TICK, a_Dt); } bool cPluginLua::OnBlockSpread(cWorld & a_World, int a_BlockX, int a_BlockY, int a_BlockZ, eSpreadSource a_Source) { return CallSimpleHooks(cPluginManager::HOOK_BLOCK_SPREAD, &a_World, a_BlockX, a_BlockY, a_BlockZ, a_Source); } bool cPluginLua::OnBlockToPickups(cWorld & a_World, cEntity * a_Digger, int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, cItems & a_Pickups) { return CallSimpleHooks(cPluginManager::HOOK_BLOCK_TO_PICKUPS, &a_World, a_Digger, a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta, &a_Pickups); } bool cPluginLua::OnBrewingCompleted(cWorld & a_World, cBrewingstandEntity & a_Brewingstand) { return CallSimpleHooks(cPluginManager::HOOK_BREWING_COMPLETED, &a_World, &a_Brewingstand); } bool cPluginLua::OnBrewingCompleting(cWorld & a_World, cBrewingstandEntity & a_Brewingstand) { return CallSimpleHooks(cPluginManager::HOOK_BREWING_COMPLETING, &a_World, &a_Brewingstand); } bool cPluginLua::OnChat(cPlayer & a_Player, AString & a_Message) { cOperation op(*this); if (!op().IsValid()) { return false; } bool res = false; auto & hooks = m_HookMap[cPluginManager::HOOK_CHAT]; for (auto & hook: hooks) { hook->Call(&a_Player, a_Message, cLuaState::Return, res, a_Message); if (res) { return true; } } return false; } bool cPluginLua::OnChunkAvailable(cWorld & a_World, int a_ChunkX, int a_ChunkZ) { return CallSimpleHooks(cPluginManager::HOOK_CHUNK_AVAILABLE, &a_World, a_ChunkX, a_ChunkZ); } bool cPluginLua::OnChunkGenerated(cWorld & a_World, int a_ChunkX, int a_ChunkZ, cChunkDesc * a_ChunkDesc) { return CallSimpleHooks(cPluginManager::HOOK_CHUNK_GENERATED, &a_World, a_ChunkX, a_ChunkZ, a_ChunkDesc); } bool cPluginLua::OnChunkGenerating(cWorld & a_World, int a_ChunkX, int a_ChunkZ, cChunkDesc * a_ChunkDesc) { return CallSimpleHooks(cPluginManager::HOOK_CHUNK_GENERATING, &a_World, a_ChunkX, a_ChunkZ, a_ChunkDesc); } bool cPluginLua::OnChunkUnloaded(cWorld & a_World, int a_ChunkX, int a_ChunkZ) { return CallSimpleHooks(cPluginManager::HOOK_CHUNK_UNLOADED, &a_World, a_ChunkX, a_ChunkZ); } bool cPluginLua::OnChunkUnloading(cWorld & a_World, int a_ChunkX, int a_ChunkZ) { return CallSimpleHooks(cPluginManager::HOOK_CHUNK_UNLOADING, &a_World, a_ChunkX, a_ChunkZ); } bool cPluginLua::OnCollectingPickup(cPlayer & a_Player, cPickup & a_Pickup) { return CallSimpleHooks(cPluginManager::HOOK_COLLECTING_PICKUP, &a_Player, &a_Pickup); } bool cPluginLua::OnCraftingNoRecipe(cPlayer & a_Player, cCraftingGrid & a_Grid, cCraftingRecipe & a_Recipe) { return CallSimpleHooks(cPluginManager::HOOK_CRAFTING_NO_RECIPE, &a_Player, &a_Grid, &a_Recipe); } bool cPluginLua::OnDisconnect(cClientHandle & a_Client, const AString & a_Reason) { return CallSimpleHooks(cPluginManager::HOOK_DISCONNECT, &a_Client, a_Reason); } bool cPluginLua::OnEntityAddEffect(cEntity & a_Entity, int a_EffectType, int a_EffectDurationTicks, int a_EffectIntensity, double a_DistanceModifier) { return CallSimpleHooks(cPluginManager::HOOK_ENTITY_ADD_EFFECT, &a_Entity, a_EffectType, a_EffectDurationTicks, a_EffectIntensity, a_DistanceModifier); } bool cPluginLua::OnEntityChangingWorld(cEntity & a_Entity, cWorld & a_World) { return CallSimpleHooks(cPluginManager::HOOK_ENTITY_CHANGING_WORLD, &a_Entity, &a_World); } bool cPluginLua::OnEntityChangedWorld(cEntity & a_Entity, cWorld & a_World) { return CallSimpleHooks(cPluginManager::HOOK_ENTITY_CHANGED_WORLD, &a_Entity, &a_World); } bool cPluginLua::OnExecuteCommand(cPlayer * a_Player, const AStringVector & a_Split, const AString & a_EntireCommand, cPluginManager::CommandResult & a_Result) { cOperation op(*this); if (!op().IsValid()) { return false; } bool res = false; auto & hooks = m_HookMap[cPluginManager::HOOK_EXECUTE_COMMAND]; for (auto & hook: hooks) { hook->Call(a_Player, a_Split, a_EntireCommand, cLuaState::Return, res, a_Result); if (res) { return true; } } return false; } bool cPluginLua::OnExploded(cWorld & a_World, double a_ExplosionSize, bool a_CanCauseFire, double a_X, double a_Y, double a_Z, eExplosionSource a_Source, void * a_SourceData) { cOperation op(*this); if (!op().IsValid()) { return false; } bool res = false; auto & hooks = m_HookMap[cPluginManager::HOOK_EXPLODED]; for (auto & hook: hooks) { switch (a_Source) { case esBed: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast (a_SourceData), cLuaState::Return, res); break; case esEnderCrystal: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast (a_SourceData), cLuaState::Return, res); break; case esGhastFireball: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast(a_SourceData), cLuaState::Return, res); break; case esMonster: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast (a_SourceData), cLuaState::Return, res); break; case esOther: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, cLuaState::Return, res); break; case esPlugin: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, cLuaState::Return, res); break; case esPrimedTNT: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast (a_SourceData), cLuaState::Return, res); break; case esWitherBirth: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast (a_SourceData), cLuaState::Return, res); break; case esWitherSkull: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast (a_SourceData), cLuaState::Return, res); break; case esMax: { ASSERT(!"Invalid explosion source"); return false; } } if (res) { return true; } } return false; } bool cPluginLua::OnExploding(cWorld & a_World, double & a_ExplosionSize, bool & a_CanCauseFire, double a_X, double a_Y, double a_Z, eExplosionSource a_Source, void * a_SourceData) { cOperation op(*this); if (!op().IsValid()) { return false; } bool res = false; auto & hooks = m_HookMap[cPluginManager::HOOK_EXPLODING]; for (auto & hook: hooks) { switch (a_Source) { case esBed: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast (a_SourceData), cLuaState::Return, res, a_CanCauseFire, a_ExplosionSize); break; case esEnderCrystal: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast (a_SourceData), cLuaState::Return, res, a_CanCauseFire, a_ExplosionSize); break; case esGhastFireball: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast(a_SourceData), cLuaState::Return, res, a_CanCauseFire, a_ExplosionSize); break; case esMonster: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast (a_SourceData), cLuaState::Return, res, a_CanCauseFire, a_ExplosionSize); break; case esOther: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, cLuaState::Return, res, a_CanCauseFire, a_ExplosionSize); break; case esPlugin: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, cLuaState::Return, res, a_CanCauseFire, a_ExplosionSize); break; case esPrimedTNT: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast (a_SourceData), cLuaState::Return, res, a_CanCauseFire, a_ExplosionSize); break; case esWitherBirth: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast (a_SourceData), cLuaState::Return, res, a_CanCauseFire, a_ExplosionSize); break; case esWitherSkull: hook->Call(&a_World, a_ExplosionSize, a_CanCauseFire, a_X, a_Y, a_Z, a_Source, reinterpret_cast (a_SourceData), cLuaState::Return, res, a_CanCauseFire, a_ExplosionSize); break; case esMax: { ASSERT(!"Invalid explosion source"); return false; } } if (res) { return true; } } return false; } bool cPluginLua::OnHandshake(cClientHandle & a_Client, const AString & a_Username) { return CallSimpleHooks(cPluginManager::HOOK_HANDSHAKE, &a_Client, a_Username); } bool cPluginLua::OnHopperPullingItem(cWorld & a_World, cHopperEntity & a_Hopper, int a_DstSlotNum, cBlockEntityWithItems & a_SrcEntity, int a_SrcSlotNum) { return CallSimpleHooks(cPluginManager::HOOK_HOPPER_PULLING_ITEM, &a_World, &a_Hopper, a_DstSlotNum, &a_SrcEntity, a_SrcSlotNum); } bool cPluginLua::OnHopperPushingItem(cWorld & a_World, cHopperEntity & a_Hopper, int a_SrcSlotNum, cBlockEntityWithItems & a_DstEntity, int a_DstSlotNum) { return CallSimpleHooks(cPluginManager::HOOK_HOPPER_PUSHING_ITEM, &a_World, &a_Hopper, a_SrcSlotNum, &a_DstEntity, a_DstSlotNum); } bool cPluginLua::OnKilled(cEntity & a_Victim, TakeDamageInfo & a_TDI, AString & a_DeathMessage) { cOperation op(*this); if (!op().IsValid()) { return false; } bool res = false; auto & hooks = m_HookMap[cPluginManager::HOOK_KILLED]; for (auto & hook: hooks) { hook->Call(&a_Victim, &a_TDI, a_DeathMessage, cLuaState::Return, res, a_DeathMessage); if (res) { return true; } } return false; } bool cPluginLua::OnKilling(cEntity & a_Victim, cEntity * a_Killer, TakeDamageInfo & a_TDI) { return CallSimpleHooks(cPluginManager::HOOK_KILLING, &a_Victim, a_Killer, &a_TDI); } bool cPluginLua::OnLogin(cClientHandle & a_Client, UInt32 a_ProtocolVersion, const AString & a_Username) { return CallSimpleHooks(cPluginManager::HOOK_LOGIN, &a_Client, a_ProtocolVersion, a_Username); } bool cPluginLua::OnPlayerAnimation(cPlayer & a_Player, int a_Animation) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_ANIMATION, &a_Player, a_Animation); } bool cPluginLua::OnPlayerBreakingBlock(cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_BREAKING_BLOCK, &a_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_BlockType, a_BlockMeta); } bool cPluginLua::OnPlayerBrokenBlock(cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_BROKEN_BLOCK, &a_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_BlockType, a_BlockMeta); } bool cPluginLua::OnPlayerDestroyed(cPlayer & a_Player) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_DESTROYED, &a_Player); } bool cPluginLua::OnPlayerEating(cPlayer & a_Player) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_EATING, &a_Player); } bool cPluginLua::OnPlayerEditedBook(cPlayer & a_Player, const cBookContent & a_NewContent, bool a_IsSigned) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_EDITED_BOOK, &a_Player, a_NewContent, a_IsSigned); } bool cPluginLua::OnPlayerEditingBook(cPlayer & a_Player, const cBookContent & a_OriginalContent, cBookContent & a_NewContent, bool a_IsSigned) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_EDITING_BOOK, &a_Player, a_OriginalContent, &a_NewContent, a_IsSigned); } bool cPluginLua::OnPlayerFoodLevelChange(cPlayer & a_Player, int a_NewFoodLevel) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_FOOD_LEVEL_CHANGE, &a_Player, a_NewFoodLevel); } bool cPluginLua::OnPlayerFished(cPlayer & a_Player, const cItems & a_Reward) { cItems reward(a_Reward); return CallSimpleHooks(cPluginManager::HOOK_PLAYER_FISHED, &a_Player, &reward); } bool cPluginLua::OnPlayerFishing(cPlayer & a_Player, cItems & a_Reward) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_FISHING, &a_Player, &a_Reward); } bool cPluginLua::OnPlayerJoined(cPlayer & a_Player) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_JOINED, &a_Player); } bool cPluginLua::OnPlayerLeftClick(cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, char a_Status) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_LEFT_CLICK, &a_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_Status); } bool cPluginLua::OnPlayerMoving(cPlayer & a_Player, const Vector3d & a_OldPosition, const Vector3d & a_NewPosition) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_MOVING, &a_Player, a_OldPosition, a_NewPosition); } bool cPluginLua::OnEntityTeleport(cEntity & a_Entity, const Vector3d & a_OldPosition, const Vector3d & a_NewPosition) { return CallSimpleHooks(cPluginManager::HOOK_ENTITY_TELEPORT, &a_Entity, a_OldPosition, a_NewPosition); } bool cPluginLua::OnPlayerOpeningWindow(cPlayer & a_Player, cWindow & a_Window) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_OPENING_WINDOW, &a_Player, &a_Window); } bool cPluginLua::OnPlayerPlacedBlock(cPlayer & a_Player, const sSetBlock & a_BlockChange) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_PLACED_BLOCK, &a_Player, a_BlockChange.GetX(), a_BlockChange.GetY(), a_BlockChange.GetZ(), a_BlockChange.m_BlockType, a_BlockChange.m_BlockMeta ); } bool cPluginLua::OnPlayerPlacingBlock(cPlayer & a_Player, const sSetBlock & a_BlockChange) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_PLACING_BLOCK, &a_Player, a_BlockChange.GetX(), a_BlockChange.GetY(), a_BlockChange.GetZ(), a_BlockChange.m_BlockType, a_BlockChange.m_BlockMeta ); } bool cPluginLua::OnPlayerRightClick(cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_RIGHT_CLICK, &a_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_CursorX, a_CursorY, a_CursorZ); } bool cPluginLua::OnPlayerRightClickingEntity(cPlayer & a_Player, cEntity & a_Entity) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_RIGHT_CLICKING_ENTITY, &a_Player, &a_Entity); } bool cPluginLua::OnPlayerShooting(cPlayer & a_Player) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_SHOOTING, &a_Player); } bool cPluginLua::OnPlayerSpawned(cPlayer & a_Player) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_SPAWNED, &a_Player); } bool cPluginLua::OnPlayerTossingItem(cPlayer & a_Player) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_TOSSING_ITEM, &a_Player); } bool cPluginLua::OnPlayerUsedBlock(cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_USED_BLOCK, &a_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_CursorX, a_CursorY, a_CursorZ, a_BlockType, a_BlockMeta); } bool cPluginLua::OnPlayerUsedItem(cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_USED_ITEM, &a_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_CursorX, a_CursorY, a_CursorZ); } bool cPluginLua::OnPlayerUsingBlock(cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_USING_BLOCK, &a_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_CursorX, a_CursorY, a_CursorZ, a_BlockType, a_BlockMeta); } bool cPluginLua::OnPlayerUsingItem(cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) { return CallSimpleHooks(cPluginManager::HOOK_PLAYER_USING_ITEM, &a_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_CursorX, a_CursorY, a_CursorZ); } bool cPluginLua::OnPluginMessage(cClientHandle & a_Client, const AString & a_Channel, const AString & a_Message) { return CallSimpleHooks(cPluginManager::HOOK_PLUGIN_MESSAGE, &a_Client, a_Channel, a_Message); } bool cPluginLua::OnPluginsLoaded(void) { cOperation op(*this); if (!op().IsValid()) { return false; } bool res = false; auto & hooks = m_HookMap[cPluginManager::HOOK_PLUGINS_LOADED]; for (auto & hook: hooks) { bool ret = false; hook->Call(cLuaState::Return, ret); res = res || ret; } return res; } bool cPluginLua::OnPostCrafting(cPlayer & a_Player, cCraftingGrid & a_Grid, cCraftingRecipe & a_Recipe) { return CallSimpleHooks(cPluginManager::HOOK_POST_CRAFTING, &a_Player, &a_Grid, &a_Recipe); } bool cPluginLua::OnPreCrafting(cPlayer & a_Player, cCraftingGrid & a_Grid, cCraftingRecipe & a_Recipe) { return CallSimpleHooks(cPluginManager::HOOK_PRE_CRAFTING, &a_Player, &a_Grid, &a_Recipe); } bool cPluginLua::OnProjectileHitBlock(cProjectileEntity & a_Projectile, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_Face, const Vector3d & a_BlockHitPos) { return CallSimpleHooks(cPluginManager::HOOK_PROJECTILE_HIT_BLOCK, &a_Projectile, a_BlockX, a_BlockY, a_BlockZ, a_Face, a_BlockHitPos); } bool cPluginLua::OnProjectileHitEntity(cProjectileEntity & a_Projectile, cEntity & a_HitEntity) { return CallSimpleHooks(cPluginManager::HOOK_PROJECTILE_HIT_ENTITY, &a_Projectile, &a_HitEntity); } bool cPluginLua::OnServerPing(cClientHandle & a_ClientHandle, AString & a_ServerDescription, int & a_OnlinePlayersCount, int & a_MaxPlayersCount, AString & a_Favicon) { cOperation op(*this); if (!op().IsValid()) { return false; } bool res = false; auto & hooks = m_HookMap[cPluginManager::HOOK_SERVER_PING]; for (auto & hook: hooks) { hook->Call(&a_ClientHandle, a_ServerDescription, a_OnlinePlayersCount, a_MaxPlayersCount, a_Favicon, cLuaState::Return, res, a_ServerDescription, a_OnlinePlayersCount, a_MaxPlayersCount, a_Favicon); if (res) { return true; } } return false; } bool cPluginLua::OnSpawnedEntity(cWorld & a_World, cEntity & a_Entity) { return CallSimpleHooks(cPluginManager::HOOK_SPAWNED_ENTITY, &a_World, &a_Entity); } bool cPluginLua::OnSpawnedMonster(cWorld & a_World, cMonster & a_Monster) { return CallSimpleHooks(cPluginManager::HOOK_SPAWNED_MONSTER, &a_World, &a_Monster); } bool cPluginLua::OnSpawningEntity(cWorld & a_World, cEntity & a_Entity) { return CallSimpleHooks(cPluginManager::HOOK_SPAWNING_ENTITY, &a_World, &a_Entity); } bool cPluginLua::OnSpawningMonster(cWorld & a_World, cMonster & a_Monster) { return CallSimpleHooks(cPluginManager::HOOK_SPAWNING_MONSTER, &a_World, &a_Monster); } bool cPluginLua::OnTakeDamage(cEntity & a_Receiver, TakeDamageInfo & a_TDI) { return CallSimpleHooks(cPluginManager::HOOK_TAKE_DAMAGE, &a_Receiver, &a_TDI); } bool cPluginLua::OnUpdatedSign( cWorld & a_World, int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4, cPlayer * a_Player ) { return CallSimpleHooks(cPluginManager::HOOK_UPDATED_SIGN, &a_World, a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4, a_Player); } bool cPluginLua::OnUpdatingSign( cWorld & a_World, int a_BlockX, int a_BlockY, int a_BlockZ, AString & a_Line1, AString & a_Line2, AString & a_Line3, AString & a_Line4, cPlayer * a_Player ) { cOperation op(*this); if (!op().IsValid()) { return false; } bool res = false; auto & hooks = m_HookMap[cPluginManager::HOOK_UPDATING_SIGN]; for (auto & hook: hooks) { hook->Call(&a_World, a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4, a_Player, cLuaState::Return, res, a_Line1, a_Line2, a_Line3, a_Line4); if (res) { return true; } } return false; } bool cPluginLua::OnWeatherChanged(cWorld & a_World) { return CallSimpleHooks(cPluginManager::HOOK_WEATHER_CHANGED, &a_World); } bool cPluginLua::OnWeatherChanging(cWorld & a_World, eWeather & a_NewWeather) { cOperation op(*this); if (!op().IsValid()) { return false; } bool res = false; auto & hooks = m_HookMap[cPluginManager::HOOK_WEATHER_CHANGING]; for (auto & hook: hooks) { hook->Call(&a_World, a_NewWeather, cLuaState::Return, res, a_NewWeather); if (res) { return true; } } return false; } bool cPluginLua::OnWorldStarted(cWorld & a_World) { return CallSimpleHooks(cPluginManager::HOOK_WORLD_STARTED, &a_World); } bool cPluginLua::OnWorldTick(cWorld & a_World, std::chrono::milliseconds a_Dt, std::chrono::milliseconds a_LastTickDurationMSec) { return CallSimpleHooks(cPluginManager::HOOK_WORLD_TICK, &a_World, a_Dt, a_LastTickDurationMSec); } bool cPluginLua::CanAddOldStyleHook(int a_HookType) { const char * FnName = GetHookFnName(a_HookType); if (FnName == nullptr) { // Unknown hook ID LOGWARNING("Plugin %s wants to add an unknown hook ID (%d). The plugin need not work properly.", GetName().c_str(), a_HookType ); m_LuaState.LogStackTrace(); return false; } // Check if the function is available if (m_LuaState.HasFunction(FnName)) { return true; } LOGWARNING("Plugin %s wants to add a hook (%d), but it doesn't provide the callback function \"%s\" for it. The plugin need not work properly.", GetName().c_str(), a_HookType, FnName ); m_LuaState.LogStackTrace(); return false; } const char * cPluginLua::GetHookFnName(int a_HookType) { switch (a_HookType) { case cPluginManager::HOOK_BLOCK_SPREAD: return "OnBlockSpread"; case cPluginManager::HOOK_BLOCK_TO_PICKUPS: return "OnBlockToPickups"; case cPluginManager::HOOK_CHAT: return "OnChat"; case cPluginManager::HOOK_CHUNK_AVAILABLE: return "OnChunkAvailable"; case cPluginManager::HOOK_CHUNK_GENERATED: return "OnChunkGenerated"; case cPluginManager::HOOK_CHUNK_GENERATING: return "OnChunkGenerating"; case cPluginManager::HOOK_CHUNK_UNLOADED: return "OnChunkUnloaded"; case cPluginManager::HOOK_CHUNK_UNLOADING: return "OnChunkUnloading"; case cPluginManager::HOOK_COLLECTING_PICKUP: return "OnCollectingPickup"; case cPluginManager::HOOK_CRAFTING_NO_RECIPE: return "OnCraftingNoRecipe"; case cPluginManager::HOOK_DISCONNECT: return "OnDisconnect"; case cPluginManager::HOOK_PLAYER_ANIMATION: return "OnPlayerAnimation"; case cPluginManager::HOOK_ENTITY_ADD_EFFECT: return "OnEntityAddEffect"; case cPluginManager::HOOK_ENTITY_CHANGING_WORLD: return "OnEntityChangingWorld"; case cPluginManager::HOOK_ENTITY_CHANGED_WORLD: return "OnEntityChangedWorld"; case cPluginManager::HOOK_ENTITY_TELEPORT: return "OnEntityTeleport"; case cPluginManager::HOOK_EXECUTE_COMMAND: return "OnExecuteCommand"; case cPluginManager::HOOK_HANDSHAKE: return "OnHandshake"; case cPluginManager::HOOK_KILLING: return "OnKilling"; case cPluginManager::HOOK_LOGIN: return "OnLogin"; case cPluginManager::HOOK_PLAYER_BREAKING_BLOCK: return "OnPlayerBreakingBlock"; case cPluginManager::HOOK_PLAYER_BROKEN_BLOCK: return "OnPlayerBrokenBlock"; case cPluginManager::HOOK_PLAYER_EATING: return "OnPlayerEating"; case cPluginManager::HOOK_PLAYER_EDITED_BOOK: return "OnPlayerEditedBook"; case cPluginManager::HOOK_PLAYER_EDITING_BOOK: return "OnPlayerEditingBook"; case cPluginManager::HOOK_PLAYER_JOINED: return "OnPlayerJoined"; case cPluginManager::HOOK_PLAYER_LEFT_CLICK: return "OnPlayerLeftClick"; case cPluginManager::HOOK_PLAYER_MOVING: return "OnPlayerMoving"; case cPluginManager::HOOK_PLAYER_OPENING_WINDOW: return "OnPlayerOpeningWindow"; case cPluginManager::HOOK_PLAYER_PLACED_BLOCK: return "OnPlayerPlacedBlock"; case cPluginManager::HOOK_PLAYER_PLACING_BLOCK: return "OnPlayerPlacingBlock"; case cPluginManager::HOOK_PLAYER_RIGHT_CLICK: return "OnPlayerRightClick"; case cPluginManager::HOOK_PLAYER_RIGHT_CLICKING_ENTITY: return "OnPlayerRightClickingEntity"; case cPluginManager::HOOK_PLAYER_SHOOTING: return "OnPlayerShooting"; case cPluginManager::HOOK_PLAYER_SPAWNED: return "OnPlayerSpawned"; case cPluginManager::HOOK_PLAYER_TOSSING_ITEM: return "OnPlayerTossingItem"; case cPluginManager::HOOK_PLAYER_USED_BLOCK: return "OnPlayerUsedBlock"; case cPluginManager::HOOK_PLAYER_USED_ITEM: return "OnPlayerUsedItem"; case cPluginManager::HOOK_PLAYER_USING_BLOCK: return "OnPlayerUsingBlock"; case cPluginManager::HOOK_PLAYER_USING_ITEM: return "OnPlayerUsingItem"; case cPluginManager::HOOK_PLUGIN_MESSAGE: return "OnPluginMessage"; case cPluginManager::HOOK_PLUGINS_LOADED: return "OnPluginsLoaded"; case cPluginManager::HOOK_POST_CRAFTING: return "OnPostCrafting"; case cPluginManager::HOOK_PRE_CRAFTING: return "OnPreCrafting"; case cPluginManager::HOOK_SERVER_PING: return "OnServerPing"; case cPluginManager::HOOK_SPAWNED_ENTITY: return "OnSpawnedEntity"; case cPluginManager::HOOK_SPAWNED_MONSTER: return "OnSpawnedMonster"; case cPluginManager::HOOK_SPAWNING_ENTITY: return "OnSpawningEntity"; case cPluginManager::HOOK_SPAWNING_MONSTER: return "OnSpawningMonster"; case cPluginManager::HOOK_TAKE_DAMAGE: return "OnTakeDamage"; case cPluginManager::HOOK_TICK: return "OnTick"; case cPluginManager::HOOK_UPDATED_SIGN: return "OnUpdatedSign"; case cPluginManager::HOOK_UPDATING_SIGN: return "OnUpdatingSign"; case cPluginManager::HOOK_WEATHER_CHANGED: return "OnWeatherChanged"; case cPluginManager::HOOK_WEATHER_CHANGING: return "OnWeatherChanging"; case cPluginManager::HOOK_WORLD_TICK: return "OnWorldTick"; case cPluginManager::HOOK_NUM_HOOKS: { // Satisfy a warning that all enum values should be used in a switch // but don't want a default branch, so that we catch new hooks missing from this list. break; } } // switch (a_Hook) LOGWARNING("Requested name of an unknown hook type function: %d (max is %d)", a_HookType, cPluginManager::HOOK_MAX); ASSERT(!"Unknown hook requested!"); return nullptr; } bool cPluginLua::AddHookCallback(int a_HookType, cLuaState::cCallbackPtr && a_Callback) { m_HookMap[a_HookType].push_back(std::move(a_Callback)); return true; } int cPluginLua::CallFunctionFromForeignState( const AString & a_FunctionName, cLuaState & a_ForeignState, int a_ParamStart, int a_ParamEnd ) { cOperation op(*this); // Call the function: int NumReturns = op().CallFunctionWithForeignParams(a_FunctionName, a_ForeignState, a_ParamStart, a_ParamEnd); if (NumReturns < 0) { // The call has failed, an error has already been output to the log, so just silently bail out with the same error return NumReturns; } // Copy all the return values: int Top = lua_gettop(m_LuaState); int res = a_ForeignState.CopyStackFrom(m_LuaState, Top - NumReturns + 1, Top); // Remove the return values off this stack: if (NumReturns > 0) { lua_pop(m_LuaState, NumReturns); } return res; } void cPluginLua::ClearWebTabs(void) { auto webAdmin = cRoot::Get()->GetWebAdmin(); if (webAdmin != nullptr) // can be nullptr when shutting down the server { webAdmin->RemoveAllPluginWebTabs(m_Name); } }