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author | Howaner <franzi.moos@googlemail.com> | 2014-07-13 00:54:11 +0200 |
---|---|---|
committer | Howaner <franzi.moos@googlemail.com> | 2014-07-13 00:54:11 +0200 |
commit | 4b093972ea139d057dd523b583352be69bae7edb (patch) | |
tree | 1bc8edf1594f4c81bbdd6a68cf7d22f5a2b21341 /src/Bindings | |
parent | Add doxy-comments. (diff) | |
parent | Merge pull request #1154 from mc-server/trappedchests (diff) | |
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Diffstat (limited to 'src/Bindings')
-rw-r--r-- | src/Bindings/.gitignore | 1 | ||||
-rw-r--r-- | src/Bindings/LuaState.cpp | 12 | ||||
-rw-r--r-- | src/Bindings/LuaState.h | 634 | ||||
-rw-r--r-- | src/Bindings/ManualBindings.cpp | 11 | ||||
-rw-r--r-- | src/Bindings/Plugin.h | 1 | ||||
-rw-r--r-- | src/Bindings/PluginLua.cpp | 27 | ||||
-rw-r--r-- | src/Bindings/PluginLua.h | 1 | ||||
-rw-r--r-- | src/Bindings/PluginManager.cpp | 86 | ||||
-rw-r--r-- | src/Bindings/PluginManager.h | 30 | ||||
-rw-r--r-- | src/Bindings/gen_LuaState_Call.lua | 196 | ||||
-rw-r--r-- | src/Bindings/virtual_method_hooks.lua | 14 |
11 files changed, 350 insertions, 663 deletions
diff --git a/src/Bindings/.gitignore b/src/Bindings/.gitignore index af8aa76fa..0d00dd578 100644 --- a/src/Bindings/.gitignore +++ b/src/Bindings/.gitignore @@ -1 +1,2 @@ lua51.dll +LuaState_Call.inc diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp index 7a5ed1425..32638df96 100644 --- a/src/Bindings/LuaState.cpp +++ b/src/Bindings/LuaState.cpp @@ -811,6 +811,18 @@ void cLuaState::GetStackValue(int a_StackPos, double & a_ReturnedVal) +void cLuaState::GetStackValue(int a_StackPos, eWeather & a_ReturnedVal) +{ + if (lua_isnumber(m_LuaState, a_StackPos)) + { + a_ReturnedVal = (eWeather)Clamp((int)tolua_tonumber(m_LuaState, a_StackPos, a_ReturnedVal), (int)wSunny, (int)wThunderstorm); + } +} + + + + + bool cLuaState::CallFunction(int a_NumResults) { ASSERT (m_NumCurrentFunctionArgs >= 0); // A function must be pushed to stack first diff --git a/src/Bindings/LuaState.h b/src/Bindings/LuaState.h index 066390e39..b1ac3578a 100644 --- a/src/Bindings/LuaState.h +++ b/src/Bindings/LuaState.h @@ -9,10 +9,11 @@ Owned lua_State is created by calling Create() and the cLuaState automatically c Or, lua_State can be attached by calling Attach(), the cLuaState doesn't close such a state Attaching a state will automatically close an owned state. -Calling a Lua function is done by pushing the function, either by PushFunction() or PushFunctionFromRegistry(), -then pushing the arguments (PushString(), PushNumber(), PushUserData() etc.) and finally -executing CallFunction(). cLuaState automatically keeps track of the number of arguments and the name of the -function (for logging purposes), which makes the call less error-prone. +Calling a Lua function is done internally by pushing the function using PushFunction(), then pushing the +arguments and finally executing CallFunction(). cLuaState automatically keeps track of the number of +arguments and the name of the function (for logging purposes). After the call the return values are read from +the stack using GetStackValue(). All of this is wrapped in a templated function overloads cLuaState::Call(), +which is generated automatically by gen_LuaState_Call.lua script file into the LuaState_Call.inc file. Reference management is provided by the cLuaState::cRef class. This is used when you need to hold a reference to any Lua object across several function calls; usually this is used for callbacks. The class is RAII-like, with @@ -30,6 +31,7 @@ extern "C" } #include "../Vector3.h" +#include "../Defines.h" @@ -222,625 +224,13 @@ public: /** Retrieve value at a_StackPos, if it is a valid number. If not, a_Value is unchanged */ void GetStackValue(int a_StackPos, double & a_Value); + /** Retrieve value at a_StackPos, if it is a valid number, converting and clamping it to eWeather. + If not, a_Value is unchanged. */ + void GetStackValue(int a_StackPos, eWeather & a_Value); + - /** Call any 0-param 0-return Lua function in a single line: */ - template <typename FnT> - bool Call(FnT a_FnName) - { - if (!PushFunction(a_FnName)) - { - return false; - } - return CallFunction(0); - } - - /** Call any 1-param 0-return Lua function in a single line: */ - template< - typename FnT, - typename ArgT1 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1) - { - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - return CallFunction(0); - } - - /** Call any 2-param 0-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2) - { - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - return CallFunction(0); - } - - /** Call any 3-param 0-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3) - { - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - return CallFunction(0); - } - - /** Call any 0-param 1-return Lua function in a single line: */ - template< - typename FnT, typename RetT1 - > - bool Call(FnT a_FnName, const cRet & a_Mark, RetT1 & a_Ret1) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - if (!CallFunction(1)) - { - return false; - } - GetStackValue(-1, a_Ret1); - lua_pop(m_LuaState, 1); - return true; - } - - /** Call any 1-param 1-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename RetT1 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, const cRet & a_Mark, RetT1 & a_Ret1) - { - int InitialTop = lua_gettop(m_LuaState); - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - if (!CallFunction(1)) - { - return false; - } - GetStackValue(-1, a_Ret1); - lua_pop(m_LuaState, 1); - ASSERT(InitialTop == lua_gettop(m_LuaState)); - return true; - } - - /** Call any 2-param 1-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename RetT1 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, const cRet & a_Mark, RetT1 & a_Ret1) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - if (!CallFunction(1)) - { - return false; - } - GetStackValue(-1, a_Ret1); - lua_pop(m_LuaState, 1); - return true; - } - - /** Call any 3-param 1-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename RetT1 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, const cRet & a_Mark, RetT1 & a_Ret1) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - if (!CallFunction(1)) - { - return false; - } - GetStackValue(-1, a_Ret1); - lua_pop(m_LuaState, 1); - return true; - } - - /** Call any 4-param 1-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename RetT1 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, const cRet & a_Mark, RetT1 & a_Ret1) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - if (!CallFunction(1)) - { - return false; - } - GetStackValue(-1, a_Ret1); - lua_pop(m_LuaState, 1); - return true; - } - - /** Call any 5-param 1-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, typename RetT1 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, const cRet & a_Mark, RetT1 & a_Ret1) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - Push(a_Arg5); - if (!CallFunction(1)) - { - return false; - } - GetStackValue(-1, a_Ret1); - lua_pop(m_LuaState, 1); - return true; - } - - /** Call any 6-param 1-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, typename ArgT6, - typename RetT1 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, const cRet & a_Mark, RetT1 & a_Ret1) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - Push(a_Arg5); - Push(a_Arg6); - if (!CallFunction(1)) - { - return false; - } - GetStackValue(-1, a_Ret1); - lua_pop(m_LuaState, 1); - return true; - } - - /** Call any 7-param 1-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, typename ArgT6, - typename ArgT7, typename RetT1 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, const cRet & a_Mark, RetT1 & a_Ret1) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - Push(a_Arg5); - Push(a_Arg6); - Push(a_Arg7); - if (!CallFunction(1)) - { - return false; - } - GetStackValue(-1, a_Ret1); - lua_pop(m_LuaState, 1); - return true; - } - - /** Call any 8-param 1-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, typename ArgT6, - typename ArgT7, typename ArgT8, typename RetT1 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, const cRet & a_Mark, RetT1 & a_Ret1) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - Push(a_Arg5); - Push(a_Arg6); - Push(a_Arg7); - Push(a_Arg8); - if (!CallFunction(1)) - { - return false; - } - GetStackValue(-1, a_Ret1); - lua_pop(m_LuaState, 1); - return true; - } - - /** Call any 9-param 1-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, typename ArgT6, - typename ArgT7, typename ArgT8, typename ArgT9, typename RetT1 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, ArgT9 a_Arg9, const cRet & a_Mark, RetT1 & a_Ret1) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - Push(a_Arg5); - Push(a_Arg6); - Push(a_Arg7); - Push(a_Arg8); - Push(a_Arg9); - if (!CallFunction(1)) - { - return false; - } - GetStackValue(-1, a_Ret1); - lua_pop(m_LuaState, 1); - return true; - } - - /** Call any 10-param 1-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, typename ArgT6, - typename ArgT7, typename ArgT8, typename ArgT9, typename ArgT10, typename RetT1 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, ArgT9 a_Arg9, ArgT10 a_Arg10, const cRet & a_Mark, RetT1 & a_Ret1) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - Push(a_Arg5); - Push(a_Arg6); - Push(a_Arg7); - Push(a_Arg8); - Push(a_Arg9); - Push(a_Arg10); - if (!CallFunction(1)) - { - return false; - } - GetStackValue(-1, a_Ret1); - lua_pop(m_LuaState, 1); - return true; - } - - /** Call any 1-param 2-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename RetT1, typename RetT2 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - if (!CallFunction(2)) - { - return false; - } - GetStackValue(-2, a_Ret1); - GetStackValue(-1, a_Ret2); - lua_pop(m_LuaState, 2); - return true; - } - - /** Call any 2-param 2-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename RetT1, typename RetT2 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - if (!CallFunction(2)) - { - return false; - } - GetStackValue(-2, a_Ret1); - GetStackValue(-1, a_Ret2); - lua_pop(m_LuaState, 2); - return true; - } - - /** Call any 3-param 2-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, - typename RetT1, typename RetT2 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - if (!CallFunction(2)) - { - return false; - } - GetStackValue(-2, a_Ret1); - GetStackValue(-1, a_Ret2); - lua_pop(m_LuaState, 2); - return true; - } - - /** Call any 4-param 2-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, - typename RetT1, typename RetT2 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - if (!CallFunction(2)) - { - return false; - } - GetStackValue(-2, a_Ret1); - GetStackValue(-1, a_Ret2); - lua_pop(m_LuaState, 2); - return true; - } - - /** Call any 5-param 2-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, - typename RetT1, typename RetT2 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - Push(a_Arg5); - if (!CallFunction(2)) - { - return false; - } - GetStackValue(-2, a_Ret1); - GetStackValue(-1, a_Ret2); - lua_pop(m_LuaState, 2); - return true; - } - - /** Call any 6-param 2-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, - typename ArgT6, - typename RetT1, typename RetT2 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - Push(a_Arg5); - Push(a_Arg6); - if (!CallFunction(2)) - { - return false; - } - GetStackValue(-2, a_Ret1); - GetStackValue(-1, a_Ret2); - lua_pop(m_LuaState, 2); - return true; - } - - /** Call any 7-param 2-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, - typename ArgT6, typename ArgT7, - typename RetT1, typename RetT2 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - Push(a_Arg5); - Push(a_Arg6); - Push(a_Arg7); - if (!CallFunction(2)) - { - return false; - } - GetStackValue(-2, a_Ret1); - GetStackValue(-1, a_Ret2); - lua_pop(m_LuaState, 2); - return true; - } - - /** Call any 7-param 3-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, - typename ArgT6, typename ArgT7, - typename RetT1, typename RetT2, typename RetT3 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2, RetT3 & a_Ret3) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - Push(a_Arg5); - Push(a_Arg6); - Push(a_Arg7); - if (!CallFunction(3)) - { - return false; - } - GetStackValue(-3, a_Ret1); - GetStackValue(-2, a_Ret2); - GetStackValue(-1, a_Ret3); - lua_pop(m_LuaState, 3); - return true; - } - - /** Call any 8-param 3-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, - typename ArgT6, typename ArgT7, typename ArgT8, - typename RetT1, typename RetT2, typename RetT3 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2, RetT3 & a_Ret3) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - Push(a_Arg5); - Push(a_Arg6); - Push(a_Arg7); - Push(a_Arg8); - if (!CallFunction(3)) - { - return false; - } - GetStackValue(-3, a_Ret1); - GetStackValue(-2, a_Ret2); - GetStackValue(-1, a_Ret3); - lua_pop(m_LuaState, 3); - return true; - } - - /** Call any 9-param 5-return Lua function in a single line: */ - template< - typename FnT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4, typename ArgT5, - typename ArgT6, typename ArgT7, typename ArgT8, typename ArgT9, - typename RetT1, typename RetT2, typename RetT3, typename RetT4, typename RetT5 - > - bool Call(FnT a_FnName, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_Arg3, ArgT4 a_Arg4, ArgT5 a_Arg5, ArgT6 a_Arg6, ArgT7 a_Arg7, ArgT8 a_Arg8, ArgT9 a_Arg9, const cRet & a_Mark, RetT1 & a_Ret1, RetT2 & a_Ret2, RetT3 & a_Ret3, RetT4 & a_Ret4, RetT5 & a_Ret5) - { - UNUSED(a_Mark); - if (!PushFunction(a_FnName)) - { - return false; - } - Push(a_Arg1); - Push(a_Arg2); - Push(a_Arg3); - Push(a_Arg4); - Push(a_Arg5); - Push(a_Arg6); - Push(a_Arg7); - Push(a_Arg8); - Push(a_Arg9); - if (!CallFunction(5)) - { - return false; - } - GetStackValue(-5, a_Ret1); - GetStackValue(-4, a_Ret2); - GetStackValue(-3, a_Ret3); - GetStackValue(-2, a_Ret4); - GetStackValue(-1, a_Ret5); - lua_pop(m_LuaState, 5); - return true; - } + // Include the cLuaState::Call() overload implementation that is generated by the gen_LuaState_Call.lua script: + #include "LuaState_Call.inc" /** Returns true if the specified parameters on the stack are of the specified usertable type; also logs warning if not. Used for static functions */ diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp index f52d970bf..88d40bfd9 100644 --- a/src/Bindings/ManualBindings.cpp +++ b/src/Bindings/ManualBindings.cpp @@ -4,7 +4,7 @@ #include "ManualBindings.h" #undef TOLUA_TEMPLATE_BIND #include "tolua++/include/tolua++.h" - +#include "polarssl/md5.h" #include "Plugin.h" #include "PluginLua.h" #include "PluginManager.h" @@ -25,7 +25,6 @@ #include "../BlockEntities/NoteEntity.h" #include "../BlockEntities/MobHeadEntity.h" #include "../BlockEntities/FlowerPotEntity.h" -#include "md5/md5.h" #include "../LineBlockTracer.h" #include "../WorldStorage/SchematicFileSerializer.h" #include "../CompositeChat.h" @@ -2001,9 +2000,11 @@ static int tolua_cPlugin_Call(lua_State * tolua_S) static int tolua_md5(lua_State* tolua_S) { - std::string SourceString = tolua_tostring(tolua_S, 1, 0); - std::string CryptedString = md5( SourceString ); - tolua_pushstring( tolua_S, CryptedString.c_str() ); + unsigned char Output[16]; + size_t len = 0; + const unsigned char * SourceString = (const unsigned char *)lua_tolstring(tolua_S, 1, &len); + md5(SourceString, len, Output); + lua_pushlstring(tolua_S, (const char *)Output, ARRAYCOUNT(Output)); return 1; } diff --git a/src/Bindings/Plugin.h b/src/Bindings/Plugin.h index c6461c861..8ba20c026 100644 --- a/src/Bindings/Plugin.h +++ b/src/Bindings/Plugin.h @@ -72,6 +72,7 @@ public: virtual bool OnPlayerEating (cPlayer & a_Player) = 0; virtual bool OnPlayerFished (cPlayer & a_Player, const cItems & a_Reward) = 0; virtual bool OnPlayerFishing (cPlayer & a_Player, cItems & a_Reward) = 0; + virtual bool OnPlayerFoodLevelChange (cPlayer & a_Player, int a_NewFoodLevel) = 0; virtual bool OnPlayerJoined (cPlayer & a_Player) = 0; virtual bool OnPlayerLeftClick (cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, char a_Status) = 0; virtual bool OnPlayerMoved (cPlayer & a_Player) = 0; diff --git a/src/Bindings/PluginLua.cpp b/src/Bindings/PluginLua.cpp index 96c5ccde7..104380ea4 100644 --- a/src/Bindings/PluginLua.cpp +++ b/src/Bindings/PluginLua.cpp @@ -715,6 +715,26 @@ bool cPluginLua::OnPlayerEating(cPlayer & a_Player) +bool cPluginLua::OnPlayerFoodLevelChange(cPlayer & a_Player, int a_NewFoodLevel) +{ + cCSLock Lock(m_CriticalSection); + bool res = false; + cLuaRefs & Refs = m_HookMap[cPluginManager::HOOK_PLAYER_FOOD_LEVEL_CHANGE]; + for (cLuaRefs::iterator itr = Refs.begin(), end = Refs.end(); itr != end; ++itr) + { + m_LuaState.Call((int)(**itr), &a_Player, a_NewFoodLevel, cLuaState::Return, res); + if (res) + { + return true; + } + } + return false; +} + + + + + bool cPluginLua::OnPlayerFished(cPlayer & a_Player, const cItems & a_Reward) { cCSLock Lock(m_CriticalSection); @@ -1327,18 +1347,15 @@ bool cPluginLua::OnWeatherChanging(cWorld & a_World, eWeather & a_NewWeather) { cCSLock Lock(m_CriticalSection); bool res = false; - int NewWeather = a_NewWeather; cLuaRefs & Refs = m_HookMap[cPluginManager::HOOK_WEATHER_CHANGING]; for (cLuaRefs::iterator itr = Refs.begin(), end = Refs.end(); itr != end; ++itr) { - m_LuaState.Call((int)(**itr), &a_World, NewWeather, cLuaState::Return, res, NewWeather); + m_LuaState.Call((int)(**itr), &a_World, a_NewWeather, cLuaState::Return, res, a_NewWeather); if (res) { - a_NewWeather = (eWeather)NewWeather; return true; } } - a_NewWeather = (eWeather)NewWeather; return false; } @@ -1714,7 +1731,7 @@ bool cPluginLua::CallbackWindowClosing(int a_FnRef, cWindow & a_Window, cPlayer ASSERT(a_FnRef != LUA_REFNIL); cCSLock Lock(m_CriticalSection); - bool res; + bool res = false; m_LuaState.Call(a_FnRef, &a_Window, &a_Player, a_CanRefuse, cLuaState::Return, res); return res; } diff --git a/src/Bindings/PluginLua.h b/src/Bindings/PluginLua.h index 598e031c0..9c9de95c6 100644 --- a/src/Bindings/PluginLua.h +++ b/src/Bindings/PluginLua.h @@ -95,6 +95,7 @@ public: virtual bool OnPlayerEating (cPlayer & a_Player) 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 OnPlayerMoved (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; diff --git a/src/Bindings/PluginManager.cpp b/src/Bindings/PluginManager.cpp index c50100d6f..7e6502515 100644 --- a/src/Bindings/PluginManager.cpp +++ b/src/Bindings/PluginManager.cpp @@ -257,18 +257,44 @@ bool cPluginManager::CallHookBlockToPickups( bool cPluginManager::CallHookChat(cPlayer * a_Player, AString & a_Message) { - bool WasCommandForbidden = false; - if (HandleCommand(a_Player, a_Message, true, WasCommandForbidden)) // We use HandleCommand as opposed to ExecuteCommand to accomodate the need to the WasCommandForbidden bool + // Check if the message contains a command, execute it: + switch (HandleCommand(a_Player, a_Message, true)) { - return true; // Chat message was handled as command - } - else if (WasCommandForbidden) // Couldn't be handled as command, was it because of insufficient permissions? - { - return true; // Yes - message was sent in HandleCommand, abort + case crExecuted: + { + // The command has executed successfully + return true; + } + + case crBlocked: + { + // The command was blocked by a plugin using HOOK_EXECUTE_COMMAND + // The plugin has most likely sent a message to the player already + return true; + } + + case crError: + { + // An error in the plugin has prevented the command from executing. Report the error to the player: + a_Player->SendMessageFailure(Printf("Something went wrong while executing command \"%s\"", a_Message.c_str())); + return true; + } + + case crNoPermission: + { + // The player is not allowed to execute this command + a_Player->SendMessageFailure(Printf("Forbidden command; insufficient privileges: \"%s\"", a_Message.c_str())); + return true; + } + + case crUnknownCommand: + { + // This was not a known command, keep processing as a message + break; + } } - // Check if it was a standard command (starts with a slash) - // If it was, we know that it was completely unrecognised (WasCommandForbidden == false) + // Check if the message is a command (starts with a slash). If it is, we know that it wasn't recognised: if (!a_Message.empty() && (a_Message[0] == '/')) { AStringVector Split(StringSplit(a_Message, " ")); @@ -695,6 +721,25 @@ bool cPluginManager::CallHookPlayerEating(cPlayer & a_Player) +bool cPluginManager::CallHookPlayerFoodLevelChange(cPlayer & a_Player, int a_NewFoodLevel) +{ + FIND_HOOK(HOOK_PLAYER_FOOD_LEVEL_CHANGE); + VERIFY_HOOK; + + for (PluginList::iterator itr = Plugins->second.begin(); itr != Plugins->second.end(); ++itr) + { + if ((*itr)->OnPlayerFoodLevelChange(a_Player, a_NewFoodLevel)) + { + return true; + } + } + return false; +} + + + + + bool cPluginManager::CallHookPlayerFished(cPlayer & a_Player, const cItems a_Reward) { FIND_HOOK(HOOK_PLAYER_FISHED); @@ -1318,28 +1363,28 @@ bool cPluginManager::CallHookWorldTick(cWorld & a_World, float a_Dt, int a_LastT -bool cPluginManager::HandleCommand(cPlayer * a_Player, const AString & a_Command, bool a_ShouldCheckPermissions, bool & a_WasCommandForbidden) +cPluginManager::CommandResult cPluginManager::HandleCommand(cPlayer * a_Player, const AString & a_Command, bool a_ShouldCheckPermissions) { ASSERT(a_Player != NULL); AStringVector Split(StringSplit(a_Command, " ")); if (Split.empty()) { - return false; + return crUnknownCommand; } CommandMap::iterator cmd = m_Commands.find(Split[0]); if (cmd == m_Commands.end()) { // Command not found - return false; + return crUnknownCommand; } // Ask plugins first if a command is okay to execute the command: if (CallHookExecuteCommand(a_Player, Split)) { LOGINFO("Player %s tried executing command \"%s\" that was stopped by the HOOK_EXECUTE_COMMAND hook", a_Player->GetName().c_str(), Split[0].c_str()); - return false; + return crBlocked; } if ( @@ -1348,15 +1393,18 @@ bool cPluginManager::HandleCommand(cPlayer * a_Player, const AString & a_Command !a_Player->HasPermission(cmd->second.m_Permission) ) { - a_Player->SendMessageFailure(Printf("Forbidden command; insufficient privileges: \"%s\"", Split[0].c_str())); LOGINFO("Player %s tried to execute forbidden command: \"%s\"", a_Player->GetName().c_str(), Split[0].c_str()); - a_WasCommandForbidden = true; - return false; + return crNoPermission; } ASSERT(cmd->second.m_Plugin != NULL); - return cmd->second.m_Plugin->HandleCommand(Split, a_Player); + if (!cmd->second.m_Plugin->HandleCommand(Split, a_Player)) + { + return crError; + } + + return crExecuted; } @@ -1554,7 +1602,7 @@ AString cPluginManager::GetCommandPermission(const AString & a_Command) -bool cPluginManager::ExecuteCommand(cPlayer * a_Player, const AString & a_Command) +cPluginManager::CommandResult cPluginManager::ExecuteCommand(cPlayer * a_Player, const AString & a_Command) { return HandleCommand(a_Player, a_Command, true); } @@ -1563,7 +1611,7 @@ bool cPluginManager::ExecuteCommand(cPlayer * a_Player, const AString & a_Comman -bool cPluginManager::ForceExecuteCommand(cPlayer * a_Player, const AString & a_Command) +cPluginManager::CommandResult cPluginManager::ForceExecuteCommand(cPlayer * a_Player, const AString & a_Command) { return HandleCommand(a_Player, a_Command, false); } diff --git a/src/Bindings/PluginManager.h b/src/Bindings/PluginManager.h index be40bd2f7..d435024bb 100644 --- a/src/Bindings/PluginManager.h +++ b/src/Bindings/PluginManager.h @@ -57,8 +57,17 @@ public: // tolua_export // Called each tick virtual void Tick(float a_Dt); - + // tolua_begin + enum CommandResult + { + crExecuted, + crUnknownCommand, + crError, + crBlocked, + crNoPermission, + } ; + enum PluginHook { HOOK_BLOCK_SPREAD, @@ -87,6 +96,7 @@ public: // tolua_export HOOK_PLAYER_EATING, HOOK_PLAYER_FISHED, HOOK_PLAYER_FISHING, + HOOK_PLAYER_FOOD_LEVEL_CHANGE, HOOK_PLAYER_JOINED, HOOK_PLAYER_LEFT_CLICK, HOOK_PLAYER_MOVING, @@ -188,6 +198,7 @@ public: // tolua_export bool CallHookPlayerEating (cPlayer & a_Player); bool CallHookPlayerFished (cPlayer & a_Player, const cItems a_Reward); bool CallHookPlayerFishing (cPlayer & a_Player, cItems a_Reward); + bool CallHookPlayerFoodLevelChange (cPlayer & a_Player, int a_NewFoodLevel); bool CallHookPlayerJoined (cPlayer & a_Player); bool CallHookPlayerMoving (cPlayer & a_Player); bool CallHookPlayerLeftClick (cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, char a_Status); @@ -244,11 +255,11 @@ public: // tolua_export /** Returns the permission needed for the specified command; empty string if command not found */ AString GetCommandPermission(const AString & a_Command); // tolua_export - /** Executes the command, as if it was requested by a_Player. Checks permissions first. Returns true if executed. */ - bool ExecuteCommand(cPlayer * a_Player, const AString & a_Command); // tolua_export + /** Executes the command, as if it was requested by a_Player. Checks permissions first. Returns crExecuted if executed. */ + CommandResult ExecuteCommand(cPlayer * a_Player, const AString & a_Command); // tolua_export - /** Executes the command, as if it was requested by a_Player. Permisssions are not checked. Returns true if executed (false if not found) */ - bool ForceExecuteCommand(cPlayer * a_Player, const AString & a_Command); // tolua_export + /** Executes the command, as if it was requested by a_Player. Permisssions are not checked. Returns crExecuted if executed. */ + CommandResult ForceExecuteCommand(cPlayer * a_Player, const AString & a_Command); // tolua_export /** Removes all console command bindings that the specified plugin has made */ void RemovePluginConsoleCommands(cPlugin * a_Plugin); @@ -321,13 +332,8 @@ private: /** Adds the plugin into the internal list of plugins and initializes it. If initialization fails, the plugin is removed again. */ bool AddPlugin(cPlugin * a_Plugin); - /** Tries to match a_Command to the internal table of commands, if a match is found, the corresponding plugin is called. Returns true if the command is handled. */ - bool HandleCommand(cPlayer * a_Player, const AString & a_Command, bool a_ShouldCheckPermissions, bool & a_WasCommandForbidden); - bool HandleCommand(cPlayer * a_Player, const AString & a_Command, bool a_ShouldCheckPermissions) - { - bool DummyBoolean = false; - return HandleCommand(a_Player, a_Command, a_ShouldCheckPermissions, DummyBoolean); - } + /** Tries to match a_Command to the internal table of commands, if a match is found, the corresponding plugin is called. Returns crExecuted if the command is executed. */ + cPluginManager::CommandResult HandleCommand(cPlayer * a_Player, const AString & a_Command, bool a_ShouldCheckPermissions); } ; // tolua_export diff --git a/src/Bindings/gen_LuaState_Call.lua b/src/Bindings/gen_LuaState_Call.lua new file mode 100644 index 000000000..fb1797dc0 --- /dev/null +++ b/src/Bindings/gen_LuaState_Call.lua @@ -0,0 +1,196 @@ + +-- gen_LuaState_Call.lua + +-- Generates the cLuaState::Call() function templates that are included from LuaState.h + +--[[ +The cLuaState::Call() family of functions provides a template-based system for calling any Lua function +either by name or by reference with almost any number of parameters and return values. This is done by +providing a number of overloads of the same name with variable number of template-type parameters. To +separate the arguments from the return values, a special type of cLuaState::cRet is used. +--]] + + + + +print("Generating LuaState_Call.inc...") + + + + +-- List of combinations (# params, # returns) to generate: +local Combinations = +{ + -- no return values: + {0, 0}, + {1, 0}, + {2, 0}, + {3, 0}, + {4, 0}, + + -- 1 return value: + {0, 1}, + {1, 1}, + {2, 1}, + {3, 1}, + {4, 1}, + {5, 1}, + {6, 1}, + {7, 1}, + {8, 1}, + {9, 1}, + {10, 1}, + + -- 2 return values: + {0, 2}, + {1, 2}, + {2, 2}, + {3, 2}, + {4, 2}, + {5, 2}, + {6, 2}, + {7, 2}, + {8, 2}, + {9, 2}, + + -- Special combinations: + {7, 3}, + {8, 3}, + {9, 5}, +} + + + + +--- Writes a single overloaded function definition for the specified number of params and returns into f +--[[ +The format for the generated function is this: +/** Call the specified 3-param 2-return Lua function: +Returns true if call succeeded, false if there was an error. */ +template <typename FnT, typename ParamT1, typename ParamT2, typename ParamT3, typename RetT1, typename RetT2> +bool Call(FnT a_Function, ParamT1 a_Param1, ParamT2 a_Param2, ParamT3 a_Param3, const cLuaState::cRet & a_RetMark, RetT1 & a_Ret1, RetT2 & a_Ret2) +{ + UNUSED(a_RetMark); + if (!PushFunction(a_Function)) + { + return false; + } + Push(a_Param1); + Push(a_Param2); + Push(a_Param3); + if (!CallFunction(2)) + { + return false; + } + GetStackValue(-2, a_Ret1); + GetStackValue(-1, a_Ret2); + lua_pop(m_LuaState, 2); + return true; +} +Note especially the negative numbers in GetStackValue() calls. +--]] +local function WriteOverload(f, a_NumParams, a_NumReturns) + -- Write the function doxy-comments: + f:write("/** Call the specified ", a_NumParams, "-param ", a_NumReturns, "-return Lua function:\n") + f:write("Returns true if call succeeded, false if there was an error. */\n") + + -- Write the template <...> line: + f:write("template <typename FnT") + for i = 1, a_NumParams do + f:write(", typename ParamT", i) + end + if (a_NumReturns > 0) then + for i = 1, a_NumReturns do + f:write(", typename RetT", i) + end + end + f:write(">\n") + + -- Write the function signature: + f:write("bool Call(") + f:write("FnT a_Function") + for i = 1, a_NumParams do + f:write(", ParamT", i, " a_Param", i) + end + if (a_NumReturns > 0) then + f:write(", const cLuaState::cRet & a_RetMark") + for i = 1, a_NumReturns do + f:write(", RetT", i, " & a_Ret", i) + end + end + f:write(")\n") + + -- Common code: + f:write("{\n") + if (a_NumReturns > 0) then + f:write("\tUNUSED(a_RetMark);\n") + end + f:write("\tif (!PushFunction(a_Function))\n") + f:write("\t{\n") + f:write("\t\treturn false;\n") + f:write("\t}\n") + + -- Push the params: + for i = 1, a_NumParams do + f:write("\tPush(a_Param", i, ");\n") + end + + -- Call the function: + f:write("\tif (!CallFunction(", a_NumReturns, "))\n") + f:write("\t{\n") + f:write("\t\treturn false;\n") + f:write("\t}\n") + + -- Get the return values: + for i = 1, a_NumReturns do + f:write("\tGetStackValue(", -1 - a_NumReturns + i, ", a_Ret", i, ");\n") + end + + -- Pop the returns off the stack, if needed: + if (a_NumReturns > 0) then + f:write("\tlua_pop(m_LuaState, ", a_NumReturns, ");\n") + end + + -- Everything ok: + f:write("\treturn true;\n") + f:write("}\n") + + -- Separate from the next function: + f:write("\n\n\n\n\n") +end + + + + + +local f = assert(io.open("LuaState_Call.inc", "w")) + +-- Write file header: +f:write([[ +// LuaState_Call.inc + +// This file is auto-generated by gen_LuaState_Call.lua +// Make changes to the generator instead of to this file! + +// This file contains the various overloads for the cLuaState::Call() function +// Each overload handles a different number of parameters / return values +]]) +f:write("\n\n\n\n\n") + +-- Write out a template function for each overload: +for _, combination in ipairs(Combinations) do + WriteOverload(f, combination[1], combination[2]) +end + +-- Close the generated file +f:close() + + + + + +print("LuaState_Call.inc generated") + + + + diff --git a/src/Bindings/virtual_method_hooks.lua b/src/Bindings/virtual_method_hooks.lua index c610d424f..8ad30bf78 100644 --- a/src/Bindings/virtual_method_hooks.lua +++ b/src/Bindings/virtual_method_hooks.lua @@ -3,6 +3,20 @@ local disable_virtual_hooks = true local enable_pure_virtual = true local default_private_access = false + + + + +-- Code generators used by the build +-- Note that these are not exactly needed for the bindings, but rather we +-- misuse tolua's Lua engine to process files for us +dofile("gen_LuaState_Call.lua") + + + + + + local access = {public = 0, protected = 1, private = 2} function preparse_hook(p) |