Fix for Duke 3d rotating doors

[postmemetic]

Fixes case where counter-clockwise rotating doors would end up with a negative build angle, causing them to appear to open then partially close again.

Fixes #1178

[postmemetic]

CI misconfiguration?

Run cmake -B build -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_PREFIX_PATH=`pwd`/build/zmusic -DPK3_QUIET_ZIPDIR=ON -DCMAKE_C_COMPILER=gcc-9 -DCMAKE_CXX_COMPILER=g++-9 .
-- The C compiler identification is GNU 9.5.0
-- The CXX compiler identification is unknown
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/gcc-9 - skipped
-- Detecting C compile features
-- Detecting C compile features - done
CMake Error at CMakeLists.txt:35 (project):
  The CMAKE_CXX_COMPILER:

    g++-9

  is not a full path and was not found in the PATH.

  Tell CMake where to find the compiler by setting either the environment
  variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
  to the compiler, or to the compiler name if it is in the PATH.


-- Configuring incomplete, errors occurred!

[coelckers]

CI misconfiguration?

Run cmake -B build -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_PREFIX_PATH=`pwd`/build/zmusic -DPK3_QUIET_ZIPDIR=ON -DCMAKE_C_COMPILER=gcc-9 -DCMAKE_CXX_COMPILER=g++-9 .
-- The C compiler identification is GNU 9.5.0
-- The CXX compiler identification is unknown
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/gcc-9 - skipped
-- Detecting C compile features
-- Detecting C compile features - done
CMake Error at CMakeLists.txt:35 (project):
  The CMAKE_CXX_COMPILER:

    g++-9

  is not a full path and was not found in the PATH.

  Tell CMake where to find the compiler by setting either the environment
  variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
  to the compiler, or to the compiler name if it is in the PATH.


-- Configuring incomplete, errors occurred!

I suspect that GCC9 has been disabled for CI. I got the same error on the last GZDoom CI build as well.

[postmemetic]

I suspect that GCC9 has been disabled for CI. I got the same error on the last GZDoom CI build as well.

Gotcha. Thanks for reviewing!

[ck-13-13]

Doors are back to opening fully again. Thanks for the fix!