250 lines
13 KiB
C++
250 lines
13 KiB
C++
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// PluginLua.h
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// Declares the cPluginLua class representing a plugin written in Lua
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#pragma once
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#include "Plugin.h"
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#include "WebPlugin.h"
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#include "LuaState.h"
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// Names for the global variables through which the plugin is identified in its LuaState
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#define LUA_PLUGIN_NAME_VAR_NAME "_MCServerInternal_PluginName"
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#define LUA_PLUGIN_INSTANCE_VAR_NAME "_MCServerInternal_PluginInstance"
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// fwd: UI/Window.h
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class cWindow;
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// tolua_begin
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class cPluginLua :
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public cPlugin,
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public cWebPlugin
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{
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public:
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// tolua_end
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/** A RAII-style mutex lock for accessing the internal LuaState.
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This will be the only way to retrieve the plugin's LuaState;
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therefore it directly supports accessing the LuaState of the locked plugin.
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Usage:
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cPluginLua::cOperation Op(SomePlugin);
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Op().Call(...) // Call a function in the plugin's LuaState
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*/
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class cOperation
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{
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public:
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cOperation(cPluginLua & a_Plugin) :
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m_Plugin(a_Plugin),
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m_Lock(a_Plugin.m_CriticalSection)
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{
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}
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cLuaState & operator ()(void) { return m_Plugin.m_LuaState; }
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protected:
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cPluginLua & m_Plugin;
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/** RAII lock for m_Plugin.m_CriticalSection */
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cCSLock m_Lock;
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} ;
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cPluginLua(const AString & a_PluginDirectory);
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~cPluginLua();
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virtual void OnDisable(void) override;
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virtual bool Initialize(void) override;
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virtual void Tick(float a_Dt) override;
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virtual bool OnBlockSpread (cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ, eSpreadSource a_Source) override;
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virtual bool 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) override;
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virtual bool OnChat (cPlayer * a_Player, AString & a_Message) override;
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virtual bool OnChunkAvailable (cWorld * a_World, int a_ChunkX, int a_ChunkZ) override;
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virtual bool OnChunkGenerated (cWorld * a_World, int a_ChunkX, int a_ChunkZ, cChunkDesc * a_ChunkDesc) override;
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virtual bool OnChunkGenerating (cWorld * a_World, int a_ChunkX, int a_ChunkZ, cChunkDesc * a_ChunkDesc) override;
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virtual bool OnChunkUnloaded (cWorld * a_World, int a_ChunkX, int a_ChunkZ) override;
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virtual bool OnChunkUnloading (cWorld * a_World, int a_ChunkX, int a_ChunkZ) override;
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virtual bool OnCollectingPickup (cPlayer * a_Player, cPickup * a_Pickup) override;
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virtual bool OnCraftingNoRecipe (const cPlayer * a_Player, const cCraftingGrid * a_Grid, cCraftingRecipe * a_Recipe) override;
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virtual bool OnDisconnect (cClientHandle & a_Client, const AString & a_Reason) override;
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virtual bool OnEntityAddEffect (cEntity & a_Entity, int a_EffectType, int a_EffectDurationTicks, int a_EffectIntensity, double a_DistanceModifier) override;
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virtual bool OnExecuteCommand (cPlayer * a_Player, const AStringVector & a_Split) override;
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virtual bool 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) override;
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virtual bool 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) override;
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virtual bool OnHandshake (cClientHandle * a_Client, const AString & a_Username) override;
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virtual bool OnHopperPullingItem (cWorld & a_World, cHopperEntity & a_Hopper, int a_DstSlotNum, cBlockEntityWithItems & a_SrcEntity, int a_SrcSlotNum) override;
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virtual bool OnHopperPushingItem (cWorld & a_World, cHopperEntity & a_Hopper, int a_SrcSlotNum, cBlockEntityWithItems & a_DstEntity, int a_DstSlotNum) override;
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virtual bool OnKilling (cEntity & a_Victim, cEntity * a_Killer, TakeDamageInfo & a_TDI) override;
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virtual bool OnLogin (cClientHandle * a_Client, int a_ProtocolVersion, const AString & a_Username) override;
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virtual bool OnPlayerAnimation (cPlayer & a_Player, int a_Animation) override;
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virtual bool OnPlayerBreakingBlock (cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override;
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virtual bool OnPlayerBrokenBlock (cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override;
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virtual bool OnPlayerDestroyed (cPlayer & a_Player) override;
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virtual bool OnPlayerEating (cPlayer & a_Player) override;
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virtual bool OnPlayerFished (cPlayer & a_Player, const cItems & a_Reward) override;
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virtual bool OnPlayerFishing (cPlayer & a_Player, cItems & a_Reward) override;
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virtual bool OnPlayerFoodLevelChange (cPlayer & a_Player, int a_NewFoodLevel) override;
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virtual bool OnPlayerJoined (cPlayer & a_Player) override;
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virtual bool OnPlayerMoved (cPlayer & a_Player) override;
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virtual bool OnPlayerLeftClick (cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, char a_Status) override;
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virtual bool OnPlayerPlacedBlock (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) override;
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virtual bool OnPlayerPlacingBlock (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) override;
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virtual bool 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) override;
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virtual bool OnPlayerRightClickingEntity(cPlayer & a_Player, cEntity & a_Entity) override;
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virtual bool OnPlayerShooting (cPlayer & a_Player) override;
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virtual bool OnPlayerSpawned (cPlayer & a_Player) override;
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virtual bool OnPlayerTossingItem (cPlayer & a_Player) override;
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virtual bool 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) override;
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virtual bool 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) override;
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virtual bool 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) override;
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virtual bool 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) override;
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virtual bool OnPluginMessage (cClientHandle & a_Client, const AString & a_Channel, const AString & a_Message) override;
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virtual bool OnPluginsLoaded (void) override;
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virtual bool OnPostCrafting (const cPlayer * a_Player, const cCraftingGrid * a_Grid, cCraftingRecipe * a_Recipe) override;
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virtual bool OnPreCrafting (const cPlayer * a_Player, const cCraftingGrid * a_Grid, cCraftingRecipe * a_Recipe) override;
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virtual bool OnProjectileHitBlock (cProjectileEntity & a_Projectile, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_Face, const Vector3d & a_BlockHitPos) override;
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virtual bool OnProjectileHitEntity (cProjectileEntity & a_Projectile, cEntity & a_HitEntity) override;
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virtual bool OnSpawnedEntity (cWorld & a_World, cEntity & a_Entity) override;
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virtual bool OnSpawnedMonster (cWorld & a_World, cMonster & a_Monster) override;
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virtual bool OnSpawningEntity (cWorld & a_World, cEntity & a_Entity) override;
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virtual bool OnSpawningMonster (cWorld & a_World, cMonster & a_Monster) override;
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virtual bool OnTakeDamage (cEntity & a_Receiver, TakeDamageInfo & a_TakeDamageInfo) override;
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virtual bool 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) override;
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virtual bool 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) override;
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virtual bool OnWeatherChanged (cWorld & a_World) override;
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virtual bool OnWeatherChanging (cWorld & a_World, eWeather & a_NewWeather) override;
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virtual bool OnWorldStarted (cWorld & a_World) override;
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virtual bool OnWorldTick (cWorld & a_World, float a_Dt, int a_LastTickDurationMSec) override;
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virtual bool HandleCommand(const AStringVector & a_Split, cPlayer * a_Player) override;
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virtual bool HandleConsoleCommand(const AStringVector & a_Split, cCommandOutputCallback & a_Output) override;
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virtual void ClearCommands(void) override;
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virtual void ClearConsoleCommands(void) override;
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/** Returns true if the plugin contains the function for the specified hook type, using the old-style registration (#121) */
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bool CanAddOldStyleHook(int a_HookType);
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// cWebPlugin override
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virtual const AString GetWebTitle(void) const {return GetName(); }
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// cWebPlugin and WebAdmin stuff
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virtual AString HandleWebRequest(const HTTPRequest * a_Request) override;
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bool AddWebTab(const AString & a_Title, lua_State * a_LuaState, int a_FunctionReference); // >> EXPORTED IN MANUALBINDINGS <<
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/** Binds the command to call the function specified by a Lua function reference. Simply adds to CommandMap. */
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void BindCommand(const AString & a_Command, int a_FnRef);
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/** Binds the console command to call the function specified by a Lua function reference. Simply adds to CommandMap. */
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void BindConsoleCommand(const AString & a_Command, int a_FnRef);
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cLuaState & GetLuaState(void) { return m_LuaState; }
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cCriticalSection & GetCriticalSection(void) { return m_CriticalSection; }
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/** Removes a previously referenced object (luaL_unref()) */
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void Unreference(int a_LuaRef);
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/** Calls the plugin-specified "cLuaWindow closing" callback. Returns true only if the callback returned true */
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bool CallbackWindowClosing(int a_FnRef, cWindow & a_Window, cPlayer & a_Player, bool a_CanRefuse);
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/** Calls the plugin-specified "cLuaWindow slot changed" callback. */
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void CallbackWindowSlotChanged(int a_FnRef, cWindow & a_Window, int a_SlotNum);
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/** Returns the name of Lua function that should handle the specified hook type in the older (#121) API */
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static const char * GetHookFnName(int a_HookType);
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/** Adds a Lua function to be called for the specified hook.
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The function has to be on the Lua stack at the specified index a_FnRefIdx
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Returns true if the hook was added successfully.
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*/
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bool AddHookRef(int a_HookType, int a_FnRefIdx);
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/** Calls a function in this plugin's LuaState with parameters copied over from a_ForeignState.
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The values that the function returns are placed onto a_ForeignState.
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Returns the number of values returned, if successful, or negative number on failure. */
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int CallFunctionFromForeignState(
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const AString & a_FunctionName,
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cLuaState & a_ForeignState,
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int a_ParamStart,
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int a_ParamEnd
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);
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// The following templates allow calls to arbitrary Lua functions residing in the plugin:
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/** Call a Lua function with 0 args */
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template <typename FnT> bool Call(FnT a_Fn)
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{
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cCSLock Lock(m_CriticalSection);
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return m_LuaState.Call(a_Fn);
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}
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/** Call a Lua function with 1 arg */
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template <typename FnT, typename ArgT0> bool Call(FnT a_Fn, ArgT0 a_Arg0)
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{
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cCSLock Lock(m_CriticalSection);
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return m_LuaState.Call(a_Fn, a_Arg0);
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}
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/** Call a Lua function with 2 args */
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template <typename FnT, typename ArgT0, typename ArgT1> bool Call(FnT a_Fn, ArgT0 a_Arg0, ArgT1 a_Arg1)
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{
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cCSLock Lock(m_CriticalSection);
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return m_LuaState.Call(a_Fn, a_Arg0, a_Arg1);
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}
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/** Call a Lua function with 3 args */
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template <typename FnT, typename ArgT0, typename ArgT1, typename ArgT2> bool Call(FnT a_Fn, ArgT0 a_Arg0, ArgT1 a_Arg1, ArgT2 a_Arg2)
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{
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cCSLock Lock(m_CriticalSection);
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return m_LuaState.Call(a_Fn, a_Arg0, a_Arg1, a_Arg2);
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}
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/** Call a Lua function with 4 args */
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template <typename FnT, typename ArgT0, typename ArgT1, typename ArgT2, typename ArgT3> bool Call(FnT a_Fn, ArgT0 a_Arg0, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3)
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{
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cCSLock Lock(m_CriticalSection);
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return m_LuaState.Call(a_Fn, a_Arg0, a_Arg1, a_Arg2, a_Arg3);
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}
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protected:
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/** Maps command name into Lua function reference */
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typedef std::map<AString, int> CommandMap;
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/** Provides an array of Lua function references */
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typedef std::vector<cLuaState::cRef *> cLuaRefs;
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/** Maps hook types into arrays of Lua function references to call for each hook type */
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typedef std::map<int, cLuaRefs> cHookMap;
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cCriticalSection m_CriticalSection;
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cLuaState m_LuaState;
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CommandMap m_Commands;
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CommandMap m_ConsoleCommands;
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cHookMap m_HookMap;
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/** Releases all Lua references and closes the LuaState */
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void Close(void);
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} ; // tolua_export
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