/******************************************************************************
	libx42 - skinned vertex animation library
	Copyright (C) 2007 HermitWorks Entertainment Corporation

	This program 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 2 of the License, or (at your option)
	any later version.

	This program 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 this program; if not, write to the
	
		Free Software Foundation, Inc.
		51 Franklin Street, Fifth Floor
		Boston, MA  02110-1301, USA.
******************************************************************************/

#ifndef INC_LIBX42_SETUP_H
#define INC_LIBX42_SETUP_H

/*
	Removes any utility functions that use the CRT from the build.

	This includes all calls to malloc/free. Define this and all memory
	management is in the hands of the caller.

	Also note, that if you define this before including x42.h and then
	statically link to a libx42 that was compiled with the extra functions
	your linker should be smart enough to exclude them as any functions that
	are behind LIBX42_MINIMIZE_CRT are never called by any other x42 functions.
*/
//#define LIBX42_MINIMIZE_CRT

/*
	This isn't covered under LIBX42_MINIMIZE_CRT since _alloca is going
	to be a compiler intrinsic most of the time. Uncomment this line
	to strip out all uses of _alloca and use fixed-size stack buffers
	instead.
*/
//#define LIBX42_NO_ALLOCA

/*
	On some OS's <math.h> doesn't define the *f versions of the common math routines.
	This will cause libx42 to #define its own copy of these functions as a call to
	the double-precision funciton and a cast to float.
*/
//#define LIBX42_NO_MATH_F

#if !defined( LIBX42_NO_ALLOCA ) && defined( __cplusplus_cli )
#define LIBX42_NO_ALLOCA
#endif

/*
	This macro is called whenever there's an error inside the library.

	Note that defining this to nothing does *not* suppress paramater validation,
	it simply causes functions to return null/false/early (or whatever their error
	behavior is). You can set it to something interesting if you want to trap
	errors where they occur to aid debugging.
*/
#ifndef LIBX42_ERROR_EVENT

#ifdef DEBUG

#ifdef _MSC_VER
#define LIBX42_ERROR_EVENT( code, msg ) __debugbreak()
#else
#define LIBX42_ERROR_EVENT( code, msg )
#endif

#else //DEBUG

#define LIBX42_ERROR_EVENT( code, msg )

#endif //DEBUG

#endif //!LIBX42_ERROR_EVENT

/*
	Strips out almost all parameter validation code. Make sure you don't pass in
	bad data. Note that this only applies to parameter validation code, internal
	error checks are still performed and errors can still be raised if this
	is defined.

	The only paramater checks that remain are the odd default: handler in a
	switch-case block.
*/
//#define LIBX42_NO_PARAM_VALIDATION

/*
	Defining this strips out the inverse-transpose computation when skinning
	normals. This makes the math work wrong, but it's visually OK for a large
	class of input models.
*/
//#define LIBX42_NO_INVERSE_TRANSPOSE

#endif