diff --git a/src/dm/ball.c b/src/dm/ball.c
index 5877984..6a91a01 100644
--- a/src/dm/ball.c
+++ b/src/dm/ball.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Deathmatch ball.
diff --git a/src/dm/tag.c b/src/dm/tag.c
index adbfb7c..cd4dc99 100644
--- a/src/dm/tag.c
+++ b/src/dm/tag.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Deathmatch tag.
diff --git a/src/g_ai.c b/src/g_ai.c
index f9bf069..931bb24 100644
--- a/src/g_ai.c
+++ b/src/g_ai.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * The basic AI functions like enemy detection, attacking and so on.
diff --git a/src/g_chase.c b/src/g_chase.c
index 566fa8f..3eff4f8 100644
--- a/src/g_chase.c
+++ b/src/g_chase.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_cmds.c b/src/g_cmds.c
index 037254f..0addfdb 100644
--- a/src/g_cmds.c
+++ b/src/g_cmds.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Game command processing.
diff --git a/src/g_combat.c b/src/g_combat.c
index 34279d3..7e31e51 100644
--- a/src/g_combat.c
+++ b/src/g_combat.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_func.c b/src/g_func.c
index 7823758..b4b24f4 100644
--- a/src/g_func.c
+++ b/src/g_func.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_items.c b/src/g_items.c
index ca3999f..8237667 100644
--- a/src/g_items.c
+++ b/src/g_items.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
@@ -38,11 +40,11 @@ gitem_armor_t jacketarmor_info = {25, 50, .30, .00, ARMOR_JACKET};
 gitem_armor_t combatarmor_info = {50, 100, .60, .30, ARMOR_COMBAT};
 gitem_armor_t bodyarmor_info = {100, 200, .80, .60, ARMOR_BODY};
 
-int jacket_armor_index;
-int combat_armor_index;
-int body_armor_index;
-static int power_screen_index;
-static int power_shield_index;
+static int	jacket_armor_index;
+static int	combat_armor_index;
+static int	body_armor_index;
+static int	power_screen_index;
+static int	power_shield_index;
 
 void Use_Quad(edict_t *ent, gitem_t *item);
 static int quad_drop_timeout_hack;
diff --git a/src/g_main.c b/src/g_main.c
index 8ddc3c5..c9f942b 100644
--- a/src/g_main.c
+++ b/src/g_main.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_misc.c b/src/g_misc.c
index 59e9625..5e9d8bd 100644
--- a/src/g_misc.c
+++ b/src/g_misc.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_monster.c b/src/g_monster.c
index 274b3f1..a18b0e3 100644
--- a/src/g_monster.c
+++ b/src/g_monster.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_newai.c b/src/g_newai.c
index 0cbe35d..2c9454c 100644
--- a/src/g_newai.c
+++ b/src/g_newai.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_newdm.c b/src/g_newdm.c
index 92fc7a8..2b7f3b3 100644
--- a/src/g_newdm.c
+++ b/src/g_newdm.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_newfnc.c b/src/g_newfnc.c
index 2b49220..6d016ff 100644
--- a/src/g_newfnc.c
+++ b/src/g_newfnc.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_newtarg.c b/src/g_newtarg.c
index bf9316b..e21282d 100644
--- a/src/g_newtarg.c
+++ b/src/g_newtarg.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_newtrig.c b/src/g_newtrig.c
index 862a404..36c30a0 100644
--- a/src/g_newtrig.c
+++ b/src/g_newtrig.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_phys.c b/src/g_phys.c
index 32a758e..0f50874 100644
--- a/src/g_phys.c
+++ b/src/g_phys.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Quake IIs legendary physic engine.
diff --git a/src/g_spawn.c b/src/g_spawn.c
index fcd94e9..5fa0658 100644
--- a/src/g_spawn.c
+++ b/src/g_spawn.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_sphere.c b/src/g_sphere.c
index d759bee..fd5936d 100644
--- a/src/g_sphere.c
+++ b/src/g_sphere.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * =======================================================================
  *
diff --git a/src/g_svcmds.c b/src/g_svcmds.c
index ac5b643..a62163c 100644
--- a/src/g_svcmds.c
+++ b/src/g_svcmds.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Game side of server CMDs. At this time only the ipfilter.
diff --git a/src/g_target.c b/src/g_target.c
index 42a423f..e851512 100644
--- a/src/g_target.c
+++ b/src/g_target.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Targets.
diff --git a/src/g_trigger.c b/src/g_trigger.c
index da13d63..5abee6b 100644
--- a/src/g_trigger.c
+++ b/src/g_trigger.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Trigger.
diff --git a/src/g_turret.c b/src/g_turret.c
index 920e419..495e52e 100644
--- a/src/g_turret.c
+++ b/src/g_turret.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Turrets aka big cannons with a driver.
diff --git a/src/g_utils.c b/src/g_utils.c
index 1ff12ba..17ac1f4 100644
--- a/src/g_utils.c
+++ b/src/g_utils.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Misc. utility functions for the game logic.
diff --git a/src/g_weapon.c b/src/g_weapon.c
index f4fe418..094dde8 100644
--- a/src/g_weapon.c
+++ b/src/g_weapon.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Weapon support functions.
diff --git a/src/header/game.h b/src/header/game.h
index 3a9d3b3..96856d8 100644
--- a/src/header/game.h
+++ b/src/header/game.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Here are the client, server and game are tied together.
diff --git a/src/header/local.h b/src/header/local.h
index 3564591..086979e 100644
--- a/src/header/local.h
+++ b/src/header/local.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Main header file for the game module.
diff --git a/src/monster/berserker/berserker.c b/src/monster/berserker/berserker.c
index b58de7c..e2caf9b 100644
--- a/src/monster/berserker/berserker.c
+++ b/src/monster/berserker/berserker.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * The berserker.
diff --git a/src/monster/berserker/berserker.h b/src/monster/berserker/berserker.h
index 67eedbc..eacca4b 100644
--- a/src/monster/berserker/berserker.h
+++ b/src/monster/berserker/berserker.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Berserker animations.
diff --git a/src/monster/boss2/boss2.c b/src/monster/boss2/boss2.c
index 23ffd1a..ac59f2c 100644
--- a/src/monster/boss2/boss2.c
+++ b/src/monster/boss2/boss2.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Boss 2 aka Hornet.
diff --git a/src/monster/boss2/boss2.h b/src/monster/boss2/boss2.h
index c29bd0c..76de7fa 100644
--- a/src/monster/boss2/boss2.h
+++ b/src/monster/boss2/boss2.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Animations for boss2.
diff --git a/src/monster/boss3/boss3.c b/src/monster/boss3/boss3.c
index 52d1e5e..86673a8 100644
--- a/src/monster/boss3/boss3.c
+++ b/src/monster/boss3/boss3.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 #include "../../header/local.h"
 #include "boss32.h"
 
diff --git a/src/monster/boss3/boss31.c b/src/monster/boss3/boss31.c
index 5cb920a..700a2d7 100644
--- a/src/monster/boss3/boss31.c
+++ b/src/monster/boss3/boss31.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Final boss, stage 1 (jorg).
diff --git a/src/monster/boss3/boss31.h b/src/monster/boss3/boss31.h
index b700b08..5fb3d91 100644
--- a/src/monster/boss3/boss31.h
+++ b/src/monster/boss3/boss31.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Animations for final boss stage 1.
diff --git a/src/monster/boss3/boss32.c b/src/monster/boss3/boss32.c
index aa3b29c..03ca052 100644
--- a/src/monster/boss3/boss32.c
+++ b/src/monster/boss3/boss32.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Final boss, stage 2 (makron).
diff --git a/src/monster/boss3/boss32.h b/src/monster/boss3/boss32.h
index c583b0f..37870bf 100644
--- a/src/monster/boss3/boss32.h
+++ b/src/monster/boss3/boss32.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Final boss, stage 2 (makron).
diff --git a/src/monster/brain/brain.c b/src/monster/brain/brain.c
index f5545c1..366124a 100644
--- a/src/monster/brain/brain.c
+++ b/src/monster/brain/brain.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Brain.
diff --git a/src/monster/brain/brain.h b/src/monster/brain/brain.h
index fde2e98..2fa4559 100644
--- a/src/monster/brain/brain.h
+++ b/src/monster/brain/brain.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Brain animations.
diff --git a/src/monster/carrier/carrier.c b/src/monster/carrier/carrier.c
index 05d4fca..50dc5b5 100644
--- a/src/monster/carrier/carrier.c
+++ b/src/monster/carrier/carrier.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /*
  * ==============================================================================
  *
diff --git a/src/monster/carrier/carrier.h b/src/monster/carrier/carrier.h
index c05f6a0..06d7df4 100644
--- a/src/monster/carrier/carrier.h
+++ b/src/monster/carrier/carrier.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Carrier animations.
diff --git a/src/monster/chick/chick.c b/src/monster/chick/chick.c
index 2cd5d48..8921411 100644
--- a/src/monster/chick/chick.c
+++ b/src/monster/chick/chick.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Iron Maiden.
diff --git a/src/monster/chick/chick.h b/src/monster/chick/chick.h
index 64d8c20..1689a22 100644
--- a/src/monster/chick/chick.h
+++ b/src/monster/chick/chick.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Iron Maiden animations.
diff --git a/src/monster/flipper/flipper.c b/src/monster/flipper/flipper.c
index 115230e..08e70a0 100644
--- a/src/monster/flipper/flipper.c
+++ b/src/monster/flipper/flipper.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Baracuda Shark.
diff --git a/src/monster/flipper/flipper.h b/src/monster/flipper/flipper.h
index 009f22f..2d27016 100644
--- a/src/monster/flipper/flipper.h
+++ b/src/monster/flipper/flipper.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Baracuda Shark animations.
diff --git a/src/monster/float/float.c b/src/monster/float/float.c
index 6af849a..5e09c4e 100644
--- a/src/monster/float/float.c
+++ b/src/monster/float/float.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Mechanic.
diff --git a/src/monster/float/float.h b/src/monster/float/float.h
index a31d611..2ba4e10 100644
--- a/src/monster/float/float.h
+++ b/src/monster/float/float.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Mechanic animations.
diff --git a/src/monster/flyer/flyer.c b/src/monster/flyer/flyer.c
index 2e920d9..e071bd9 100644
--- a/src/monster/flyer/flyer.c
+++ b/src/monster/flyer/flyer.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Flyer.
diff --git a/src/monster/flyer/flyer.h b/src/monster/flyer/flyer.h
index 0d1b6c8..cf4e39f 100644
--- a/src/monster/flyer/flyer.h
+++ b/src/monster/flyer/flyer.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Flyer animations.
diff --git a/src/monster/gladiator/gladiator.c b/src/monster/gladiator/gladiator.c
index ce5b6fd..b13a057 100644
--- a/src/monster/gladiator/gladiator.c
+++ b/src/monster/gladiator/gladiator.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Gladiator.
diff --git a/src/monster/gladiator/gladiator.h b/src/monster/gladiator/gladiator.h
index 1d9e3f3..ad0066e 100644
--- a/src/monster/gladiator/gladiator.h
+++ b/src/monster/gladiator/gladiator.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Gladiator animations.
diff --git a/src/monster/gunner/gunner.c b/src/monster/gunner/gunner.c
index 8b8da24..6892a1b 100644
--- a/src/monster/gunner/gunner.c
+++ b/src/monster/gunner/gunner.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Gunner.
diff --git a/src/monster/gunner/gunner.h b/src/monster/gunner/gunner.h
index b5bce56..c8fd6a9 100644
--- a/src/monster/gunner/gunner.h
+++ b/src/monster/gunner/gunner.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Gunner animations.
diff --git a/src/monster/hover/hover.c b/src/monster/hover/hover.c
index 0e6eb9d..d377c96 100644
--- a/src/monster/hover/hover.c
+++ b/src/monster/hover/hover.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Icarus and Daedalus.
diff --git a/src/monster/hover/hover.h b/src/monster/hover/hover.h
index 541bf3f..5d14115 100644
--- a/src/monster/hover/hover.h
+++ b/src/monster/hover/hover.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Icarus and Daedalus animations.
diff --git a/src/monster/infantry/infantry.c b/src/monster/infantry/infantry.c
index 35cbdfa..4347129 100644
--- a/src/monster/infantry/infantry.c
+++ b/src/monster/infantry/infantry.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Infantry.
diff --git a/src/monster/infantry/infantry.h b/src/monster/infantry/infantry.h
index 42e9b7d..bdf1fde 100644
--- a/src/monster/infantry/infantry.h
+++ b/src/monster/infantry/infantry.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Infantry animations.
diff --git a/src/monster/insane/insane.c b/src/monster/insane/insane.c
index 257e339..d36af0a 100644
--- a/src/monster/insane/insane.c
+++ b/src/monster/insane/insane.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * The insane earth soldiers.
diff --git a/src/monster/insane/insane.h b/src/monster/insane/insane.h
index a14c851..f30b9a5 100644
--- a/src/monster/insane/insane.h
+++ b/src/monster/insane/insane.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Insane animations
diff --git a/src/monster/medic/medic.c b/src/monster/medic/medic.c
index 8d04e9c..2f1cdf8 100644
--- a/src/monster/medic/medic.c
+++ b/src/monster/medic/medic.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Medic and Medic commander.
diff --git a/src/monster/medic/medic.h b/src/monster/medic/medic.h
index 814ed8c..f5954b0 100644
--- a/src/monster/medic/medic.h
+++ b/src/monster/medic/medic.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Medic and Medic Commander animations.
diff --git a/src/monster/misc/move.c b/src/monster/misc/move.c
index e4e79e7..2b8385b 100644
--- a/src/monster/misc/move.c
+++ b/src/monster/misc/move.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Monster movement support functions.
diff --git a/src/monster/misc/player.h b/src/monster/misc/player.h
index 2758c23..2587cd9 100644
--- a/src/monster/misc/player.h
+++ b/src/monster/misc/player.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Player (the arm and the weapons) animation.
diff --git a/src/monster/mutant/mutant.c b/src/monster/mutant/mutant.c
index 025cf89..f91d9bd 100644
--- a/src/monster/mutant/mutant.c
+++ b/src/monster/mutant/mutant.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Mutant.
diff --git a/src/monster/mutant/mutant.h b/src/monster/mutant/mutant.h
index 49dce42..347bcc0 100644
--- a/src/monster/mutant/mutant.h
+++ b/src/monster/mutant/mutant.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Mutant animations.
diff --git a/src/monster/parasite/parasite.c b/src/monster/parasite/parasite.c
index bb31830..5e37374 100644
--- a/src/monster/parasite/parasite.c
+++ b/src/monster/parasite/parasite.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Parasite.
diff --git a/src/monster/parasite/parasite.h b/src/monster/parasite/parasite.h
index 4310c87..a29f149 100644
--- a/src/monster/parasite/parasite.h
+++ b/src/monster/parasite/parasite.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Parasite animations.
diff --git a/src/monster/soldier/soldier.c b/src/monster/soldier/soldier.c
index c2c34fe..b665a2e 100644
--- a/src/monster/soldier/soldier.c
+++ b/src/monster/soldier/soldier.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Soldier aka "Guard". This is the most complex enemy in Quake 2, since
diff --git a/src/monster/soldier/soldier.h b/src/monster/soldier/soldier.h
index c047512..f1a87a7 100644
--- a/src/monster/soldier/soldier.h
+++ b/src/monster/soldier/soldier.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Soldier aka "Guard" animations.
diff --git a/src/monster/stalker/stalker.c b/src/monster/stalker/stalker.c
index dd5cbb1..cfde05b 100644
--- a/src/monster/stalker/stalker.c
+++ b/src/monster/stalker/stalker.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Stalker.
diff --git a/src/monster/stalker/stalker.h b/src/monster/stalker/stalker.h
index 6096c1c..fc86983 100644
--- a/src/monster/stalker/stalker.h
+++ b/src/monster/stalker/stalker.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Stalker animations.
diff --git a/src/monster/supertank/supertank.c b/src/monster/supertank/supertank.c
index dd933f6..c6a5894 100644
--- a/src/monster/supertank/supertank.c
+++ b/src/monster/supertank/supertank.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Supertank aka "Boss1".
diff --git a/src/monster/supertank/supertank.h b/src/monster/supertank/supertank.h
index 7c93286..83d9dff 100644
--- a/src/monster/supertank/supertank.h
+++ b/src/monster/supertank/supertank.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Supertank aka "Boss1" animations.
diff --git a/src/monster/tank/tank.c b/src/monster/tank/tank.c
index ea5f30c..02489d6 100644
--- a/src/monster/tank/tank.c
+++ b/src/monster/tank/tank.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Tank and Tank Commander.
diff --git a/src/monster/tank/tank.h b/src/monster/tank/tank.h
index 3ba2d0f..6d8bb7d 100644
--- a/src/monster/tank/tank.h
+++ b/src/monster/tank/tank.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Tank and Tank Commander animations.
diff --git a/src/monster/turret/turret.c b/src/monster/turret/turret.c
index d8b0205..57542b1 100644
--- a/src/monster/turret/turret.c
+++ b/src/monster/turret/turret.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Wall mounted turrets.
diff --git a/src/monster/turret/turret.h b/src/monster/turret/turret.h
index d6cd824..e2b9f2a 100644
--- a/src/monster/turret/turret.h
+++ b/src/monster/turret/turret.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Turret animations.
diff --git a/src/monster/widow/widow.c b/src/monster/widow/widow.c
index a9ef6e7..ec509c0 100644
--- a/src/monster/widow/widow.c
+++ b/src/monster/widow/widow.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Black Window (stage 1).
diff --git a/src/monster/widow/widow.h b/src/monster/widow/widow.h
index 529efb0..279bb8a 100644
--- a/src/monster/widow/widow.h
+++ b/src/monster/widow/widow.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Black Widow (stage 1) animations.
diff --git a/src/monster/widow/widow2.c b/src/monster/widow/widow2.c
index f9eac96..d30a960 100644
--- a/src/monster/widow/widow2.c
+++ b/src/monster/widow/widow2.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Black Window (stage 2).
diff --git a/src/monster/widow/widow2.h b/src/monster/widow/widow2.h
index 1073235..4b61f29 100644
--- a/src/monster/widow/widow2.h
+++ b/src/monster/widow/widow2.h
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Black Widow (stage 2) animations.
diff --git a/src/player/client.c b/src/player/client.c
index aa5b285..abb2211 100644
--- a/src/player/client.c
+++ b/src/player/client.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Interface between client <-> game and client calculations.
diff --git a/src/player/hud.c b/src/player/hud.c
index 02a33ca..d0e51fa 100644
--- a/src/player/hud.c
+++ b/src/player/hud.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * HUD, deathmatch scoreboard, help computer and intermission stuff.
diff --git a/src/player/trail.c b/src/player/trail.c
index eef2dd5..e1b78a5 100644
--- a/src/player/trail.c
+++ b/src/player/trail.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * The player trail, used by monsters to locate the player.
diff --git a/src/player/view.c b/src/player/view.c
index 8b1755b..679a618 100644
--- a/src/player/view.c
+++ b/src/player/view.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * The "camera" through that the player looks into the game.
diff --git a/src/player/weapon.c b/src/player/weapon.c
index 729adf5..b9dbb42 100644
--- a/src/player/weapon.c
+++ b/src/player/weapon.c
@@ -1,3 +1,5 @@
+// Copyright (c) ZeniMax Media Inc.
+// Licensed under the GNU General Public License 2.0.
 /* =======================================================================
  *
  * Player weapons.