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// PluginLua.h
// Declares the cPluginLua class representing a plugin written in Lua
#pragma once
#include "Plugin.h"
#include "LuaState.h"
// Names for the global variables through which the plugin is identified in its LuaState
#define LUA_PLUGIN_NAME_VAR_NAME "_CuberiteInternal_PluginName"
#define LUA_PLUGIN_INSTANCE_VAR_NAME "_CuberiteInternal_PluginInstance"
// tolua_begin
class cPluginLua :
public cPlugin
{
typedef cPlugin super;
public:
// tolua_end
/** A RAII-style mutex lock for accessing the internal LuaState.
This will be the only way to retrieve the plugin's LuaState;
therefore it directly supports accessing the LuaState of the locked plugin.
Usage:
cPluginLua::cOperation Op(SomePlugin);
Op().Call(...) // Call a function in the plugin's LuaState
*/
class cOperation
{
public:
cOperation(cPluginLua & a_Plugin) :
m_Plugin(a_Plugin),
m_Lock(a_Plugin.m_LuaState)
{
}
cLuaState & operator ()(void) { return m_Plugin.m_LuaState; }
protected:
cPluginLua & m_Plugin;
/** RAII lock for the Lua state. */
cLuaState::cLock m_Lock;
} ;
cPluginLua(const AString & a_PluginDirectory, cDeadlockDetect & a_DeadlockDetect);
virtual ~cPluginLua() override;
virtual void OnDisable(void) override;
virtual bool Load(void) override;
virtual void Unload(void) override;
virtual void Tick(float a_Dt) override;
virtual bool OnBlockSpread (cWorld & a_World, int a_BlockX, int a_BlockY, int a_BlockZ, eSpreadSource a_Source) override;
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;
virtual bool OnBrewingCompleting (cWorld & a_World, cBrewingstandEntity & a_BrewingstandEntity) override;
virtual bool OnBrewingCompleted (cWorld & a_World, cBrewingstandEntity & a_BrewingstandEntity) override;
virtual bool OnChat (cPlayer & a_Player, AString & a_Message) override;
virtual bool OnChunkAvailable (cWorld & a_World, int a_ChunkX, int a_ChunkZ) override;
virtual bool OnChunkGenerated (cWorld & a_World, int a_ChunkX, int a_ChunkZ, cChunkDesc * a_ChunkDesc) override;
virtual bool OnChunkGenerating (cWorld & a_World, int a_ChunkX, int a_ChunkZ, cChunkDesc * a_ChunkDesc) override;
virtual bool OnChunkUnloaded (cWorld & a_World, int a_ChunkX, int a_ChunkZ) override;
virtual bool OnChunkUnloading (cWorld & a_World, int a_ChunkX, int a_ChunkZ) override;
virtual bool OnCollectingPickup (cPlayer & a_Player, cPickup & a_Pickup) override;
virtual bool OnCraftingNoRecipe (cPlayer & a_Player, cCraftingGrid & a_Grid, cCraftingRecipe & a_Recipe) override;
virtual bool OnDisconnect (cClientHandle & a_Client, const AString & a_Reason) override;
virtual bool OnEntityAddEffect (cEntity & a_Entity, int a_EffectType, int a_EffectDurationTicks, int a_EffectIntensity, double a_DistanceModifier) override;
virtual bool OnEntityChangingWorld (cEntity & a_Entity, cWorld & a_World) override;
virtual bool OnEntityChangedWorld (cEntity & a_Entity, cWorld & a_World) override;
virtual bool OnExecuteCommand (cPlayer * a_Player, const AStringVector & a_Split, const AString & a_EntireCommand, cPluginManager::CommandResult & a_Result) override;
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;
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;
virtual bool OnHandshake (cClientHandle & a_Client, const AString & a_Username) override;
virtual bool OnHopperPullingItem (cWorld & a_World, cHopperEntity & a_Hopper, int a_DstSlotNum, cBlockEntityWithItems & a_SrcEntity, int a_SrcSlotNum) override;
virtual bool OnHopperPushingItem (cWorld & a_World, cHopperEntity & a_Hopper, int a_SrcSlotNum, cBlockEntityWithItems & a_DstEntity, int a_DstSlotNum) override;
virtual bool OnKilled (cEntity & a_Victim, TakeDamageInfo & a_TDI, AString & a_DeathMessage) override;
virtual bool OnKilling (cEntity & a_Victim, cEntity * a_Killer, TakeDamageInfo & a_TDI) override;
virtual bool OnLogin (cClientHandle & a_Client, UInt32 a_ProtocolVersion, const AString & a_Username) override;
virtual bool OnPlayerAnimation (cPlayer & a_Player, int a_Animation) override;
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;
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;
virtual bool OnPlayerDestroyed (cPlayer & a_Player) override;
virtual bool OnPlayerEating (cPlayer & a_Player) override;
virtual bool OnPlayerEditedBook (cPlayer & a_Player, const cBookContent & a_NewContent, bool a_IsSigned) override;
virtual bool OnPlayerEditingBook (cPlayer & a_Player, const cBookContent & a_OriginalContent, cBookContent & a_NewContent, bool a_IsSigned) override;
virtual bool OnPlayerFished (cPlayer & a_Player, const cItems & a_Reward) override;
virtual bool OnPlayerFishing (cPlayer & a_Player, cItems & a_Reward) override;
virtual bool OnPlayerFoodLevelChange (cPlayer & a_Player, int a_NewFoodLevel) override;
virtual bool OnPlayerJoined (cPlayer & a_Player) override;
virtual bool OnPlayerLeftClick (cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, char a_Status) override;
virtual bool OnPlayerMoving (cPlayer & a_Player, const Vector3d & a_OldPosition, const Vector3d & a_NewPosition) override;
virtual bool OnPlayerOpeningWindow(cPlayer & a_Player, cWindow & a_Window) override;
virtual bool OnPlayerPlacedBlock (cPlayer & a_Player, const sSetBlock & a_BlockChange) override;
virtual bool OnPlayerPlacingBlock (cPlayer & a_Player, const sSetBlock & a_BlockChange) override;
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;
virtual bool OnPlayerRightClickingEntity(cPlayer & a_Player, cEntity & a_Entity) override;
virtual bool OnPlayerShooting (cPlayer & a_Player) override;
virtual bool OnPlayerSpawned (cPlayer & a_Player) override;
virtual bool OnEntityTeleport (cEntity & a_Entity, const Vector3d & a_OldPosition, const Vector3d & a_NewPosition) override;
virtual bool OnPlayerTossingItem (cPlayer & a_Player) override;
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;
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;
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;
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;
virtual bool OnPluginMessage (cClientHandle & a_Client, const AString & a_Channel, const AString & a_Message) override;
virtual bool OnPluginsLoaded (void) override;
virtual bool OnPostCrafting (cPlayer & a_Player, cCraftingGrid & a_Grid, cCraftingRecipe & a_Recipe) override;
virtual bool OnPreCrafting (cPlayer & a_Player, cCraftingGrid & a_Grid, cCraftingRecipe & a_Recipe) override;
virtual bool OnProjectileHitBlock (cProjectileEntity & a_Projectile, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_Face, const Vector3d & a_BlockHitPos) override;
virtual bool OnProjectileHitEntity (cProjectileEntity & a_Projectile, cEntity & a_HitEntity) override;
virtual bool OnServerPing (cClientHandle & a_ClientHandle, AString & a_ServerDescription, int & a_OnlinePlayersCount, int & a_MaxPlayersCount, AString & a_Favicon) override;
virtual bool OnSpawnedEntity (cWorld & a_World, cEntity & a_Entity) override;
virtual bool OnSpawnedMonster (cWorld & a_World, cMonster & a_Monster) override;
virtual bool OnSpawningEntity (cWorld & a_World, cEntity & a_Entity) override;
virtual bool OnSpawningMonster (cWorld & a_World, cMonster & a_Monster) override;
virtual bool OnTakeDamage (cEntity & a_Receiver, TakeDamageInfo & a_TakeDamageInfo) override;
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;
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;
virtual bool OnWeatherChanged (cWorld & a_World) override;
virtual bool OnWeatherChanging (cWorld & a_World, eWeather & a_NewWeather) override;
virtual bool OnWorldStarted (cWorld & a_World) override;
virtual bool OnWorldTick (cWorld & a_World, std::chrono::milliseconds a_Dt, std::chrono::milliseconds a_LastTickDurationMSec) override;
/** Returns true if the plugin contains the function for the specified hook type, using the old-style registration (#121) */
bool CanAddOldStyleHook(int a_HookType);
/** Returns the name of Lua function that should handle the specified hook type in the older (#121) API */
static const char * GetHookFnName(int a_HookType);
/** Adds a Lua callback to be called for the specified hook.
Returns true if the hook was added successfully. */
bool AddHookCallback(int a_HookType, cLuaState::cCallbackPtr && a_Callback);
/** Calls a function in this plugin's LuaState with parameters copied over from a_ForeignState.
The values that the function returns are placed onto a_ForeignState.
Returns the number of values returned, if successful, or negative number on failure. */
int CallFunctionFromForeignState(
const AString & a_FunctionName,
cLuaState & a_ForeignState,
int a_ParamStart,
int a_ParamEnd
);
/** Call a Lua function residing in the plugin. */
template <typename FnT, typename... Args>
bool Call(FnT a_Fn, Args && ... a_Args)
{
return cOperation(*this)().Call(a_Fn, a_Args...);
}
protected:
/** Provides an array of Lua function references */
typedef std::vector<cLuaState::cCallbackPtr> cLuaCallbacks;
/** Maps hook types into arrays of Lua function references to call for each hook type */
typedef std::map<int, cLuaCallbacks> cHookMap;
/** The plugin's Lua state. */
cLuaState m_LuaState;
/** Hooks that the plugin has registered. */
cHookMap m_HookMap;
/** The DeadlockDetect object to which the plugin's CS is tracked. */
cDeadlockDetect & m_DeadlockDetect;
/** Releases all Lua references, notifies and removes all m_Resettables[] and closes the m_LuaState. */
void Close(void);
/** Removes all WebTabs currently registered for this plugin from the WebAdmin. */
void ClearWebTabs(void);
/** Calls a hook that has the simple format - single bool return value specifying whether the chain should continue.
The advanced hook types that need more processing implement a similar loop manually instead.
Returns true if any of hook calls wants to abort the hook (returned true), false if all hook calls returned false. */
template <typename... Args>
bool CallSimpleHooks(int a_HookType, Args && ... a_Args)
{
cOperation op(*this);
auto & hooks = m_HookMap[a_HookType];
bool res = false;
for (auto & hook: hooks)
{
hook->Call(std::forward<Args>(a_Args)..., cLuaState::Return, res);
if (res)
{
// Hook wants to terminate the chain processing
return true;
}
}
return false;
}
} ; // tolua_export
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