Initial commit

2026-03-20 00:49:47 +01:00 · 2012-11-26 12:58:24 -06:00
parent a5214f79ef
commit 5016f605b8
1115 changed files with 587266 additions and 0 deletions
--- a/neo/idlib/Callback.h
+++ b/neo/idlib/Callback.h
@@ -0,0 +1,173 @@
+/*
+===========================================================================
+
+Doom 3 BFG Edition GPL Source Code
+Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 
+
+This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  
+
+Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.
+
+In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.
+
+If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
+
+===========================================================================
+*/
+#ifndef __CALLBACK_H__
+#define __CALLBACK_H__
+
+/*
+================================================================================================
+This file defines a set of template functors for generating callbacks, specifically
+the OnChange handlers in the CVar system.
+================================================================================================
+*/
+
+/*
+================================================
+idCallback
+================================================
+*/
+class idCallback {
+public:
+	virtual ~idCallback() {}
+	virtual void Call() = 0;
+	virtual idCallback * Clone() const = 0;
+};
+
+/*
+================================================
+idCallbackStatic
+
+Callback class that forwards the call to a c-style function
+================================================
+*/
+class idCallbackStatic : public idCallback {
+public:
+	idCallbackStatic( void (*f)() ) {
+		this->f = f;
+	}
+	void Call() {
+		f();
+	}
+	idCallback * Clone() const {
+		//idScopedGlobalHeap	everythingHereGoesInTheGlobalHeap;
+		return new (TAG_FUNC_CALLBACK) idCallbackStatic( f );
+	}
+private:
+	void (*f)();
+};
+
+/*
+================================================
+idCallbackBindMem
+
+Callback class that forwards the call to a member function
+================================================
+*/
+template< class T >
+class idCallbackBindMem : public idCallback {
+public:
+	idCallbackBindMem( T * t, void (T::*f)() ) {
+		this->t = t;
+		this->f = f;
+	}
+	void Call() {
+		(t->*f)();
+	}
+	idCallback * Clone() const {
+		return new (TAG_FUNC_CALLBACK) idCallbackBindMem( t, f );
+	}
+private:
+	T * t;
+	void (T::*f)();
+};
+
+/*
+================================================
+idCallbackBindMemArg1
+
+Callback class that forwards the call to a member function with an additional constant parameter
+================================================
+*/
+template< class T, typename A1 >
+class idCallbackBindMemArg1 : public idCallback {
+public:
+	idCallbackBindMemArg1( T * t_, void (T::*f_)( A1 ), A1 a1_ ) :
+		t( t_ ),
+		f( f_ ),
+		a1( a1_ ) {
+	}
+	void Call() {
+		(t->*f)( a1 );
+	}
+	idCallback * Clone() const {
+		return new (TAG_FUNC_CALLBACK) idCallbackBindMemArg1( t, f, a1 );
+	}
+private:
+	T * t;
+	void (T::*f)( A1 );
+	A1 a1;
+
+	// hack to get to compile on the 360 with reference arguments
+	// with this on the PC, the MakeCallback function fails compilation because it's returning a copy
+	// therefore, the Arg1 callbacks can't have arguments that are references
+	//DISALLOW_COPY_AND_ASSIGN( idCallbackBindMemArg1 );
+};
+
+/*
+================================================================================================
+
+	These are needed because we can't derive the type of an object from the type passed to the 
+	constructor. If it weren't for these, we'd have to manually specify the type:
+
+		idCallbackBindMem<idFoo>( this, &idFoo::MyFunction );
+	becomes: 
+		MakeCallback( this, &idFoo::MyFunction );
+
+================================================================================================
+*/
+
+/*
+========================
+MakeCallback
+========================
+*/
+ID_INLINE_EXTERN idCallbackStatic MakeCallback( void (*f)(void) ) { 
+	return idCallbackStatic( f ); 
+}
+
+/*
+========================
+MakeCallback
+========================
+*/
+template < class T >
+ID_INLINE_EXTERN idCallbackBindMem<T> MakeCallback( T * t, void (T::*f)(void) ) { 
+	return idCallbackBindMem<T>( t, f ); 
+}
+
+/*
+========================
+MakeCallback
+========================
+*/
+template < class T, typename A1 >
+ID_INLINE_EXTERN idCallbackBindMemArg1<T, A1> MakeCallback( T * t, void (T::*f)( A1 ), A1 a1 ) { 
+	return idCallbackBindMemArg1<T, A1>( t, f, a1 );
+}
+
+#endif // __CALLBACK_H__
+