add support for predicting arrival warp distance #3278

Job	Run time
Linux (Debug, gcc-5)	8m 32s
Linux (Debug, gcc-10)	9m 22s
Mac (Debug, clang, x86_64)	4m 52s
Windows (Debug, MSVC, Win32)	15m 15s
Linux (Debug, clang-9)	15m 44s
Mac (Release, clang, x86_64)	13m 46s
Windows (Debug, MSVC, x64)	15m 24s
Linux (Release, gcc-5)	8m 0s
Windows (Release, MSVC, Win32)	23m 35s
Linux (Release, gcc-10)	7m 43s
Windows (Release, MSVC, x64)	27m 30s
Linux (Release, clang-9)	13m 25s
Linux (Debug, gcc-10, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	9m 44s
Linux (Release, gcc-10, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	9m 3s
	3h 1m 55s

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