fix: various wrong alignment values (#823)

* fix: alignment mistakes on various games

* chore: reduce overhead of zcg definition with members fields

* fix: make sure Material alloc alignment is 4

src/ZoneCode/Game/IW5/XAssets/Material.txt

@@ -3,6 +3,7 @@
 // =========================================
 use Material;
 set block XFILE_BLOCK_TEMP;
+set allocalign Material 4;
 set string info::name;
 set reusable textureTable;
 set count textureTable textureCount;