Rename extlibs to thirdparty

thirdparty/include/chipmunk/cpHastySpace.h

@@ -0,0 +1,27 @@
+// Copyright 2013 Howling Moon Software. All rights reserved.
+// See http://chipmunk2d.net/legal.php for more information.
+
+/// cpHastySpace is exclusive to Chipmunk Pro
+/// Currently it enables ARM NEON optimizations in the solver, but in the future will include other optimizations such as
+/// a multi-threaded solver and multi-threaded collision broadphases.
+
+struct cpHastySpace;
+typedef struct cpHastySpace cpHastySpace;
+
+/// Create a new hasty space.
+/// On ARM platforms that support NEON, this will enable the vectorized solver.
+/// cpHastySpace also supports multiple threads, but runs single threaded by default for determinism.
+CP_EXPORT cpSpace *cpHastySpaceNew(void);
+CP_EXPORT void cpHastySpaceFree(cpSpace *space);
+
+/// Set the number of threads to use for the solver.
+/// Currently Chipmunk is limited to 2 threads as using more generally provides very minimal performance gains.
+/// Passing 0 as the thread count on iOS or OS X will cause Chipmunk to automatically detect the number of threads it should use.
+/// On other platforms passing 0 for the thread count will set 1 thread.
+CP_EXPORT void cpHastySpaceSetThreads(cpSpace *space, unsigned long threads);
+
+/// Returns the number of threads the solver is using to run.
+CP_EXPORT unsigned long cpHastySpaceGetThreads(cpSpace *space);
+
+/// When stepping a hasty space, you must use this function.
+CP_EXPORT void cpHastySpaceStep(cpSpace *space, cpFloat dt);