diff options
Diffstat (limited to 'src/Bindings/LuaState.cpp')
| -rw-r--r-- | src/Bindings/LuaState.cpp | 75 |
1 files changed, 71 insertions, 4 deletions
diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp index ad1021001..0541af793 100644 --- a/src/Bindings/LuaState.cpp +++ b/src/Bindings/LuaState.cpp @@ -1451,6 +1451,57 @@ bool cLuaState::GetStackValue(int a_StackPos, cUUID & a_Value) +template <typename T> +bool cLuaState::GetStackValue(int a_StackPos, Vector3<T> & a_ReturnedVal) +{ + tolua_Error err; + if (lua_isnil(m_LuaState, a_StackPos)) + { + return false; + } + if (tolua_isusertype(m_LuaState, a_StackPos, "Vector3<double>", 0, &err)) + { + a_ReturnedVal = **(static_cast<const Vector3d **>(lua_touserdata(m_LuaState, a_StackPos))); + return true; + } + if (tolua_isusertype(m_LuaState, a_StackPos, "Vector3<float>", 0, &err)) + { + a_ReturnedVal = **(static_cast<const Vector3f **>(lua_touserdata(m_LuaState, a_StackPos))); + return true; + } + if (tolua_isusertype(m_LuaState, a_StackPos, "Vector3<int>", 0, &err)) + { + a_ReturnedVal = **(static_cast<const Vector3i **>(lua_touserdata(m_LuaState, a_StackPos))); + return true; + } + + // Bonus: Allow simple tables to work as Vector3: + if (lua_istable(m_LuaState, a_StackPos)) + { + lua_rawgeti(m_LuaState, a_StackPos, 1); + lua_rawgeti(m_LuaState, a_StackPos, 2); + lua_rawgeti(m_LuaState, a_StackPos, 3); + T x, y, z; + if (!GetStackValues(-3, x, y, z)) + { + return false; + } + a_ReturnedVal = Vector3<T>(x, y, z); + return true; + } + + return false; +} + +// Explicitly instantiate the previous function for all Vector3 types: +template bool cLuaState::GetStackValue(int a_StackPos, Vector3d & a_ReturnedVal); +template bool cLuaState::GetStackValue(int a_StackPos, Vector3f & a_ReturnedVal); +template bool cLuaState::GetStackValue(int a_StackPos, Vector3i & a_ReturnedVal); + + + + + cLuaState::cStackValue cLuaState::WalkToValue(const AString & a_Name) { // There needs to be at least one value on the stack: @@ -1937,24 +1988,40 @@ bool cLuaState::CheckParamStaticSelf(const char * a_SelfClassName) -bool cLuaState::IsParamUserType(int a_Param, AString a_UserType) +bool cLuaState::IsParamUserType(int a_ParamIdx, AString a_UserType) { ASSERT(IsValid()); tolua_Error tolua_err; - return (tolua_isusertype(m_LuaState, a_Param, a_UserType.c_str(), 0, &tolua_err) == 1); + return (tolua_isusertype(m_LuaState, a_ParamIdx, a_UserType.c_str(), 0, &tolua_err) == 1); } -bool cLuaState::IsParamNumber(int a_Param) +bool cLuaState::IsParamNumber(int a_ParamIdx) { ASSERT(IsValid()); tolua_Error tolua_err; - return (tolua_isnumber(m_LuaState, a_Param, 0, &tolua_err) == 1); + return (tolua_isnumber(m_LuaState, a_ParamIdx, 0, &tolua_err) == 1); +} + + + + + +bool cLuaState::IsParamVector3(int a_ParamIdx) +{ + ASSERT(IsValid()); + + return ( + IsParamUserType(a_ParamIdx, "Vector3<double>") || + IsParamUserType(a_ParamIdx, "Vector3<float>") || + IsParamUserType(a_ParamIdx, "Vector3<int>") || + lua_istable(m_LuaState, a_ParamIdx) // Assume any table is good enough + ); } |