Added library source code and instructions

LICENSE

@@ -1,8 +1,3 @@
-----------------------------------------------------------------------------
-------          Godot Space Mouse written by Andres Hernandez         ------
-------        https://github.com/cybereality/godot-space-mouse        ------
-----------------------------------------------------------------------------
-
 MIT License
 
 Copyright (c) 2022 Andres Hernandez
@@ -24,65 +19,3 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
-
-----------------------------------------------------------------------------
-------           Parts of this software derived from HIDAPI           ------
-------                https://github.com/libusb/hidapi                ------
-----------------------------------------------------------------------------
-
-Copyright (c) 2010, Alan Ott, Signal 11 Software
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright notice,
-      this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright
-      notice, this list of conditions and the following disclaimer in the
-      documentation and/or other materials provided with the distribution.
-    * Neither the name of Signal 11 Software nor the names of its
-      contributors may be used to endorse or promote products derived from
-      this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-
-----------------------------------------------------------------------------
-------      Parts of this software derived from PySpaceNavigator      ------
-------           https://github.com/johnhw/pyspacenavigator           ------
-----------------------------------------------------------------------------
-
-The MIT License (MIT)
-
-Copyright (c) 2015 johnhw
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------

README.md

@@ -17,6 +17,27 @@ For manual install, download the `addons` folder from this repository and copy i
 * For macOS, you must uninstall the 3Dconnexion drivers, as they're incompatible with the plug-in.
 * Please note, a Space Mouse or Space Navigator hardware device from 3Dconnexion is required.
 
+## BUILDING FROM SOURCE
+
+* Download `libspacemouse.c` from the `src` folder.
+* Get dependencies for [Godot GDNative](https://docs.godotengine.org/en/stable/tutorials/scripting/gdnative/gdnative_c_example.html) and [HIDAPI](https://github.com/libusb/hidapi). 
+
+### WINDOWS
+
+* `cl /Folibspacemouse.obj /c libspacemouse.c /nologo -EHsc -DNDEBUG /MD /I ..\godot-headers /I ..\hidapi-win\include`
+* `link /nologo /dll /out:libspacemouse.dll /implib:libspacemouse.lib libspacemouse.obj /LIBPATH:..\hidapi-win\x64 hidapi.lib`
+
+### LINUX
+
+* `gcc -std=c11 -fPIC -c -I ../godot-headers -I /usr/include/hidapi libspacemouse.c -o libspacemouse.o`
+* `gcc -shared libspacemouse.o -o libspacemouse.so -lhidapi-hidraw`
+
+### MAC
+
+* `gcc -std=c11 -fPIC -c -I ../godot-headers -I ../hidapi-hidapi-0.12.0/hidapi -I ../hidapi-hidapi-0.12.0/mac libspacemouse.c -o libspacemouse.o`
+* `gcc -shared libspacemouse.o -o libspacemouse.dylib -L . -lhidapi.0`
+* `install_name_tool -change @rpath/libhidapi.0.dylib @loader_path/libhidapi.0.dylib libspacemouse.dylib`
+
 ## LICENSE
 
 MIT License