Rework build system to be automated

Tools/requirements.txt

@@ -0,0 +1,3 @@
+GitPython ~= 3.1.27
+yaclog ~= 1.0.4
+jinja2 ~= 3.1.0

Tools/version.py

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+# This file generates versioned files for deploying DepthMask
+
+import yaclog
+import yaclog.version
+import git as gp
+import os
+from pathlib import Path
+from jinja2 import Environment, FileSystemLoader, select_autoescape
+
+
+def run():
+    basedir = Path(__file__).parent.parent
+
+    g = gp.Git(basedir)
+
+    release = True
+    tag, distance, sha = g.execute(["git", "describe"]).split("-")
+
+    if int(distance) > 0:
+        release = False
+        tag = yaclog.version.increment_version(tag, 2)
+
+    segments = tag.split('.')
+    ver_major, ver_minor, ver_patch = segments[0:3]
+    if len(segments) >= 4:
+        ver_build = segments[3]
+    elif release:
+        ver_build = int(distance)
+    else:
+        ver_build = int("0x" + sha[1:5], 16)
+
+    print(f'Configuring version {ver_major}.{ver_minor}.{ver_patch} build {ver_build}')
+
+    env = Environment(
+        loader=FileSystemLoader(basedir / "Templates"),
+        autoescape=select_autoescape()
+    )
+
+    for template_name in ["GameData/DepthMask/DepthMask.version", "DepthMask/Properties/AssemblyInfo.cs"]:
+        print("Generating " + template_name)
+        template = env.get_template(template_name)
+        with open(basedir / template_name, "w") as fh:
+            fh.write(template.render(
+                ver_major=ver_major,
+                ver_minor=ver_minor,
+                ver_patch=ver_patch,
+                ver_build=ver_build,
+                tag=tag
+            ))
+
+    print('Done!')
+
+
+if __name__ == '__main__':
+    run()