diff options
Diffstat (limited to 'src/Bindings/LuaState.cpp')
| -rw-r--r-- | src/Bindings/LuaState.cpp | 86 |
1 files changed, 76 insertions, 10 deletions
diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp index 38e008b2a..9c1e2865c 100644 --- a/src/Bindings/LuaState.cpp +++ b/src/Bindings/LuaState.cpp @@ -937,6 +937,18 @@ void cLuaState::GetStackValue(int a_StackPos, AString & a_Value) +void cLuaState::GetStackValue(int a_StackPos, BLOCKTYPE & a_ReturnedVal) +{ + if (lua_isnumber(m_LuaState, a_StackPos)) + { + a_ReturnedVal = static_cast<BLOCKTYPE>(tolua_tonumber(m_LuaState, a_StackPos, a_ReturnedVal)); + } +} + + + + + void cLuaState::GetStackValue(int a_StackPos, bool & a_ReturnedVal) { a_ReturnedVal = (tolua_toboolean(m_LuaState, a_StackPos, a_ReturnedVal ? 1 : 0) > 0); @@ -995,6 +1007,24 @@ void cLuaState::GetStackValue(int a_StackPos, int & a_ReturnedVal) +void cLuaState::GetStackValue(int a_StackPos, pBlockArea & a_ReturnedVal) +{ + if (lua_isnil(m_LuaState, a_StackPos)) + { + a_ReturnedVal = nullptr; + return; + } + tolua_Error err; + if (tolua_isusertype(m_LuaState, a_StackPos, "cBlockArea", false, &err)) + { + a_ReturnedVal = *(reinterpret_cast<cBlockArea **>(lua_touserdata(m_LuaState, a_StackPos))); + } +} + + + + + void cLuaState::GetStackValue(int a_StackPos, pBoundingBox & a_ReturnedVal) { if (lua_isnil(m_LuaState, a_StackPos)) @@ -1005,7 +1035,7 @@ void cLuaState::GetStackValue(int a_StackPos, pBoundingBox & a_ReturnedVal) tolua_Error err; if (tolua_isusertype(m_LuaState, a_StackPos, "cBoundingBox", false, &err)) { - a_ReturnedVal = *((cBoundingBox **)lua_touserdata(m_LuaState, a_StackPos)); + a_ReturnedVal = *(reinterpret_cast<cBoundingBox **>(lua_touserdata(m_LuaState, a_StackPos))); } } @@ -1103,6 +1133,23 @@ void cLuaState::GetStackValue(int a_StackPos, pWorld & a_ReturnedVal) +void cLuaState::GetStackValue(int a_StackPos, pClientHandle & a_ReturnedVal) +{ + if (lua_isnil(m_LuaState, a_StackPos)) + { + a_ReturnedVal = nullptr; + return; + } + tolua_Error err; + if (tolua_isusertype(m_LuaState, a_StackPos, "cClientHandle", false, &err)) + { + a_ReturnedVal = *(reinterpret_cast<cClientHandle **>(lua_touserdata(m_LuaState, a_StackPos))); + } +} + + + + bool cLuaState::CallFunction(int a_NumResults) { ASSERT (m_NumCurrentFunctionArgs >= 0); // A function must be pushed to stack first @@ -1385,6 +1432,30 @@ bool cLuaState::CheckParamEnd(int a_Param) +bool cLuaState::IsParamUserType(int a_Param, AString a_UserType) +{ + ASSERT(IsValid()); + + tolua_Error tolua_err; + return tolua_isusertype(m_LuaState, a_Param, a_UserType.c_str(), 0, &tolua_err); +} + + + + + +bool cLuaState::IsParamNumber(int a_Param) +{ + ASSERT(IsValid()); + + tolua_Error tolua_err; + return tolua_isnumber(m_LuaState, a_Param, 0, &tolua_err); +} + + + + + bool cLuaState::ReportErrors(int a_Status) { return ReportErrors(m_LuaState, a_Status); @@ -1464,7 +1535,7 @@ int cLuaState::CallFunctionWithForeignParams( if (!PushFunction(a_FunctionName.c_str())) { LOGWARNING("Function '%s' not found", a_FunctionName.c_str()); - lua_pop(m_LuaState, 2); + lua_settop(m_LuaState, OldTop); return -1; } @@ -1472,7 +1543,7 @@ int cLuaState::CallFunctionWithForeignParams( if (CopyStackFrom(a_SrcLuaState, a_SrcParamStart, a_SrcParamEnd) < 0) { // Something went wrong, fix the stack and exit - lua_pop(m_LuaState, 2); + lua_settop(m_LuaState, OldTop); m_NumCurrentFunctionArgs = -1; m_CurrentFunctionName.clear(); return -1; @@ -1483,13 +1554,8 @@ int cLuaState::CallFunctionWithForeignParams( if (ReportErrors(s)) { LOGWARN("Error while calling function '%s' in '%s'", a_FunctionName.c_str(), m_SubsystemName.c_str()); - // Fix the stack. - // We don't know how many values have been pushed, so just get rid of any that weren't there initially - int CurTop = lua_gettop(m_LuaState); - if (CurTop > OldTop) - { - lua_pop(m_LuaState, CurTop - OldTop); - } + // Reset the stack: + lua_settop(m_LuaState, OldTop); // Reset the internal checking mechanisms: m_NumCurrentFunctionArgs = -1; |