Changeset 11549 for code/branches/ScriptableController_HS17/src/orxonox/scriptablecontroller/luatb.ipp

Timestamp:

Nov 6, 2017, 5:23:08 PM (7 years ago)

Author:

kohlia

Message:

Not working yet

File:

• code/branches/ScriptableController_HS17/src/orxonox/scriptablecontroller/luatb.ipp (modified) (4 diffs)

code/branches/ScriptableController_HS17/src/orxonox/scriptablecontroller/luatb.ipp

@@ -3 +3 @@
 #include <iostream>
 #include <type_traits>
-#include "scriptable_controller_api.h"
 #include "luatb_typed_stack.h"
 
@@ -20 +19 @@
     {
         // Store the 'this' pointer of the caller in the extraspace
-//        *static_cast<ThisType**>(lua_getextraspace(lua)) = _this;
+        LuaTB<ThisType, Ret (ThisType::*)(Args...)>::stateToClassMap[lua] = _this;
 
         // Make a function visible to lua that will call 'func' with the correct
@@ -28 +27 @@
 
 private:
+    static std::map<lua_State*, ThisType*> stateToClassMap;
+
     // Represents a function that can made visible to lua with the correct
     // signature. It will call the corresponding C++ function with the
@@ -34 +35 @@
     static int toLuaSignature(lua_State *lua)
     {
-        // The number of arguments is the first item on the stack
-        int argc = lua_tointeger(lua, lua_gettop(lua));
-        lua_pop(lua, 1);
+        // The index of the topmost item on the stack equals the size of
+        // the stack, which also equals the number of arguments
+        int argc = lua_gettop(lua);
 
         // Check if the number of arguments match
         if(argc != sizeof...(Args))
         {
-            std::cerr << "ERROR: LuaTB: Lua script called a function with wrong number of arguments" << std::endl;
+            std::cerr << "ERROR: LuaTB: Lua script called a function with wrong number of arguments (" << argc << " given, " << sizeof...(Args) << " expected)" << std::endl;
             return LUA_ERRSYNTAX;
         }
-
-        // Retrieve 'this' pointer of caller
-//        ThisType *_this = *static_cast<ThisType**>(lua_getextraspace(lua));
-ThisType *_this = orxonox::ScriptableControllerAPI::this_;
+        orxonox::orxout(orxonox::user_warning) << "what" << std::endl;
 
         // Call getArgument for every argument seperately to convert each argument
         // to the correct type and call the function afterwards
-        ((*_this).*func)( (LuaTBTypedStack::getArgument<Args>(lua))... );
+        ((*LuaTB<ThisType, Ret (ThisType::*)(Args...)>::stateToClassMap[lua]).*func)( (LuaTBTypedStack::getArgument<Args>(lua))... );
 
         return 0;
     }
 };
+
+// This needs to be here and not in a source file, because the compiler can't know
+// the template types if it's in a separate module.
+template<typename ThisType, typename Ret, typename... Args>
+std::map<lua_State*, ThisType*> LuaTB<ThisType, Ret (ThisType::*)(Args...)>::stateToClassMap = std::map<lua_State*, ThisType*>();