So. First pass. Add secondary explosions to RateExplosion and RateShotgun. Not yet added to shoves. This is of limited utility at present since the dX has to be small since we can't bother tracing all hog motion. But, should be more useful once shove is added, and tracking of explosives and mines.
#ifndef _INCL_PHYSFS_PLATFORMS
#define _INCL_PHYSFS_PLATFORMS
#ifndef __PHYSICSFS_INTERNAL__
#error Do not include this header from your applications.
#endif
/*
* These only define the platforms to determine which files in the platforms
* directory should be compiled. For example, technically BeOS can be called
* a "unix" system, but since it doesn't use unix.c, we don't define
* PHYSFS_PLATFORM_UNIX on that system.
*/
#if (defined __HAIKU__)
# define PHYSFS_PLATFORM_HAIKU 1
# define PHYSFS_PLATFORM_BEOS 1
# define PHYSFS_PLATFORM_POSIX 1
#elif ((defined __BEOS__) || (defined __beos__))
# define PHYSFS_PLATFORM_BEOS 1
# define PHYSFS_PLATFORM_POSIX 1
#elif (defined _WIN32_WCE) || (defined _WIN64_WCE)
# error PocketPC support was dropped from PhysicsFS 2.1. Sorry.
#elif (((defined _WIN32) || (defined _WIN64)) && (!defined __CYGWIN__))
# define PHYSFS_PLATFORM_WINDOWS 1
#elif (defined OS2)
# error OS/2 support was dropped from PhysicsFS 2.1. Sorry.
#elif ((defined __MACH__) && (defined __APPLE__))
/* To check if iphone or not, we need to include this file */
# include <TargetConditionals.h>
# if ((TARGET_IPHONE_SIMULATOR) || (TARGET_OS_IPHONE))
# define PHYSFS_NO_CDROM_SUPPORT 1
# endif
# define PHYSFS_PLATFORM_MACOSX 1
# define PHYSFS_PLATFORM_POSIX 1
#elif defined(macintosh)
# error Classic Mac OS support was dropped from PhysicsFS 2.0. Move to OS X.
#elif defined(__linux)
# define PHYSFS_PLATFORM_LINUX 1
# define PHYSFS_PLATFORM_UNIX 1
# define PHYSFS_PLATFORM_POSIX 1
#elif defined(__sun) || defined(sun)
# define PHYSFS_PLATFORM_SOLARIS 1
# define PHYSFS_PLATFORM_UNIX 1
# define PHYSFS_PLATFORM_POSIX 1
#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__) || defined(__DragonFly__)
# define PHYSFS_PLATFORM_BSD 1
# define PHYSFS_PLATFORM_UNIX 1
# define PHYSFS_PLATFORM_POSIX 1
#elif defined(unix) || defined(__unix__)
# define PHYSFS_PLATFORM_UNIX 1
# define PHYSFS_PLATFORM_POSIX 1
#else
# error Unknown platform.
#endif
#endif /* include-once blocker. */