diff --git a/source/defs.qc b/source/defs.qc
index d279e1b..2a228d6 100644
--- a/source/defs.qc
+++ b/source/defs.qc
@@ -127,7 +127,7 @@ void end_sys_globals; // flag for structure dumping
 .float button1; // use
 .float button2; // jump
 
-.float impulse; // weapon changes
+.float impulse; // user commands
 
 .float fixangle;
 .vector v_angle; // view / targeting angle for players
@@ -216,8 +216,8 @@ string(string s) precache_sound = #19;
 string(string s) precache_model = #20;
 void(entity client, string s) stuffcmd = #21;
 entity(vector org, float rad) findradius = #22;
-void(string s) bprint = #23;
-void(entity client, string s) sprint = #24;
+void(string... s) bprint = #23;
+void(entity client, string... s) sprint = #24;
 void(string s) dprint = #25;
 string(float f) ftos = #26;
 string(vector v) vtos = #27;
@@ -259,7 +259,7 @@ string(string s) precache_file = #68; // no effect except for -copy
 void(entity e) makestatic = #69;
 void(string s) changelevel = #70;
 void(string var, string val) cvar_set = #72; // sets cvar.value
-void(entity client, string s) centerprint = #73; // sprint, but in middle
+void(entity client, string... s) centerprint = #73; // sprint, but in middle
 void(vector pos, string samp, float vol, float atten) ambientsound = #74;
 
 string(string s) precache_model2 = #75; // registered version only
@@ -467,6 +467,12 @@ enum {
 	AS_MELEE,
 	AS_MISSILE,
 };
+
+enum {
+	WORLD_MEDIEVAL,
+	WORLD_METAL,
+	WORLD_BASE,
+};
 #pragma noref 0
 
 // globals -------------------------------------------------------------------|
@@ -517,7 +523,7 @@ float sight_entity_time;
 // world fields
 .string wad;
 .string map;
-.float worldtype; // 0=medieval 1=metal 2=base
+.float worldtype;
 
 .string killtarget;
 
diff --git a/source/doors.qc b/source/doors.qc
index 1c0ba8b..91ede9f 100644
--- a/source/doors.qc
+++ b/source/doors.qc
@@ -201,29 +201,11 @@ void() door_touch = {
 
 	// FIXME: blink key on player's status bar
 	if((self.items & other.items) != self.items) {
-		if(self.owner.items == IT_KEY1) {
-			if(world.worldtype == 2) {
-				centerprint(other, "You need the silver keycard");
-				sound(self, CHAN_VOICE, self.noise3, 1, ATTN_NORM);
-			} else if(world.worldtype == 1) {
-				centerprint(other, "You need the silver runekey");
-				sound(self, CHAN_VOICE, self.noise3, 1, ATTN_NORM);
-			} else if(world.worldtype == 0) {
-				centerprint(other, "You need the silver key");
-				sound(self, CHAN_VOICE, self.noise3, 1, ATTN_NORM);
-			}
-		} else {
-			if(world.worldtype == 2) {
-				centerprint(other, "You need the gold keycard");
-				sound(self, CHAN_VOICE, self.noise3, 1, ATTN_NORM);
-			} else if(world.worldtype == 1) {
-				centerprint(other, "You need the gold runekey");
-				sound(self, CHAN_VOICE, self.noise3, 1, ATTN_NORM);
-			} else if(world.worldtype == 0) {
-				centerprint(other, "You need the gold key");
-				sound(self, CHAN_VOICE, self.noise3, 1, ATTN_NORM);
-			}
+		switch(self.owner.items) {
+			case IT_KEY1: centerprint(other, "You need the ", Key1Name()); break;
+			case IT_KEY2: centerprint(other, "You need the ", Key2Name()); break;
 		}
+		sound(self, CHAN_VOICE, self.noise3, 1, ATTN_NORM);
 		return;
 	}
 
@@ -388,27 +370,26 @@ Key doors are allways wait -1.
 4) screechy metal
 */
 
-void() func_door =
-
-{
-
-	if(world.worldtype == 0) {
-		precache_sound("doors/medtry.wav");
-		precache_sound("doors/meduse.wav");
-		self.noise3 = "doors/medtry.wav";
-		self.noise4 = "doors/meduse.wav";
-	} else if(world.worldtype == 1) {
-		precache_sound("doors/runetry.wav");
-		precache_sound("doors/runeuse.wav");
-		self.noise3 = "doors/runetry.wav";
-		self.noise4 = "doors/runeuse.wav";
-	} else if(world.worldtype == 2) {
-		precache_sound("doors/basetry.wav");
-		precache_sound("doors/baseuse.wav");
-		self.noise3 = "doors/basetry.wav";
-		self.noise4 = "doors/baseuse.wav";
-	} else {
-		dprint("no worldtype set!\n");
+void() func_door = {
+	switch(world.worldtype) {
+		case WORLD_MEDIEVAL:
+			precache_sound("doors/medtry.wav");
+			precache_sound("doors/meduse.wav");
+			self.noise3 = "doors/medtry.wav";
+			self.noise4 = "doors/meduse.wav";
+			break;
+		case WORLD_METAL:
+			precache_sound("doors/runetry.wav");
+			precache_sound("doors/runeuse.wav");
+			self.noise3 = "doors/runetry.wav";
+			self.noise4 = "doors/runeuse.wav";
+			break;
+		case WORLD_BASE:
+			precache_sound("doors/basetry.wav");
+			precache_sound("doors/baseuse.wav");
+			self.noise3 = "doors/basetry.wav";
+			self.noise4 = "doors/baseuse.wav";
+			break;
 	}
 	if(self.sounds == 0) {
 		precache_sound("misc/null.wav");
diff --git a/source/items.qc b/source/items.qc
index 6ec155f..3455182 100644
--- a/source/items.qc
+++ b/source/items.qc
@@ -11,27 +11,27 @@ const string WEPNAME_LIGHTNING = "Thunderbolt";
 
 string() Key1Name = {
 	switch(world.worldtype) {
-	case 0:
-		return "silver key";
-	case 1:
-		return "silver runekey";
-	case 2:
-		return "silver keycard";
-	default:
-		return string_null;
+		case WORLD_MEDIEVAL:
+			return "silver key";
+		case WORLD_METAL:
+			return "silver runekey";
+		case WORLD_BASE:
+			return "silver keycard";
+		default:
+			return string_null;
 	}
 };
 
 string() Key2Name = {
 	switch(world.worldtype) {
-	case 0:
-		return "gold key";
-	case 1:
-		return "gold runekey";
-	case 2:
-		return "gold keycard";
-	default:
-		return string_null;
+		case WORLD_MEDIEVAL:
+			return "gold key";
+		case WORLD_METAL:
+			return "gold runekey";
+		case WORLD_BASE:
+			return "gold keycard";
+		default:
+			return string_null;
 	}
 };
 
@@ -886,17 +886,19 @@ void() key_touch = {
 
 
 void() key_setsounds = {
-	if(world.worldtype == 0) {
-		precache_sound("misc/medkey.wav");
-		self.noise = "misc/medkey.wav";
-	}
-	if(world.worldtype == 1) {
-		precache_sound("misc/runekey.wav");
-		self.noise = "misc/runekey.wav";
-	}
-	if(world.worldtype == 2) {
-		precache_sound2("misc/basekey.wav");
-		self.noise = "misc/basekey.wav";
+	switch(world.worldtype) {
+		case WORLD_MEDIEVAL:
+			precache_sound("misc/medkey.wav");
+			self.noise = "misc/medkey.wav";
+			break;
+		case WORLD_METAL:
+			precache_sound("misc/runekey.wav");
+			self.noise = "misc/runekey.wav";
+			break;
+		case WORLD_BASE:
+			precache_sound2("misc/basekey.wav");
+			self.noise = "misc/basekey.wav";
+			break;
 	}
 };
 
@@ -914,18 +916,18 @@ following:
 void() item_key1 = {
 	self.netname = Key1Name();
 	switch(world.worldtype) {
-	case 0:
-		precache_model("progs/w_s_key.mdl");
-		setmodel(self, "progs/w_s_key.mdl");
-		break;
-	case 1:
-		precache_model("progs/m_s_key.mdl");
-		setmodel(self, "progs/m_s_key.mdl");
-		break;
-	case 2:
-		precache_model2("progs/b_s_key.mdl");
-		setmodel(self, "progs/b_s_key.mdl");
-		break;
+		case WORLD_MEDIEVAL:
+			precache_model("progs/w_s_key.mdl");
+			setmodel(self, "progs/w_s_key.mdl");
+			break;
+		case WORLD_METAL:
+			precache_model("progs/m_s_key.mdl");
+			setmodel(self, "progs/m_s_key.mdl");
+			break;
+		case WORLD_BASE:
+			precache_model2("progs/b_s_key.mdl");
+			setmodel(self, "progs/b_s_key.mdl");
+			break;
 	}
 	key_setsounds();
 	self.touch = key_touch;
@@ -948,18 +950,18 @@ following:
 void() item_key2 = {
 	self.netname = Key2Name();
 	switch(world.worldtype) {
-	case 0:
-		precache_model("progs/w_g_key.mdl");
-		setmodel(self, "progs/w_g_key.mdl");
-		break;
-	case 1:
-		precache_model("progs/m_g_key.mdl");
-		setmodel(self, "progs/m_g_key.mdl");
-		break;
-	case 2:
-		precache_model2("progs/b_g_key.mdl");
-		setmodel(self, "progs/b_g_key.mdl");
-		break;
+		case WORLD_MEDIEVAL:
+			precache_model("progs/w_g_key.mdl");
+			setmodel(self, "progs/w_g_key.mdl");
+			break;
+		case WORLD_METAL:
+			precache_model("progs/m_g_key.mdl");
+			setmodel(self, "progs/m_g_key.mdl");
+			break;
+		case WORLD_BASE:
+			precache_model2("progs/b_g_key.mdl");
+			setmodel(self, "progs/b_g_key.mdl");
+			break;
 	}
 	key_setsounds();
 	self.touch = key_touch;
@@ -1311,33 +1313,33 @@ entity() DropBackpack = {
 	item.weapon = self.weapon;
 
 	switch(item.weapon) {
-	case IT_AXE:
-		item.netname = WEPNAME_AXE;
-		break;
-	case IT_SHOTGUN:
-		item.netname = WEPNAME_SHOTGUN;
-		break;
-	case IT_SUPER_SHOTGUN:
-		item.netname = WEPNAME_SUPER_SHOTGUN;
-		break;
-	case IT_NAILGUN:
-		item.netname = WEPNAME_NAILGUN;
-		break;
-	case IT_SUPER_NAILGUN:
-		item.netname = WEPNAME_SUPER_NAILGUN;
-		break;
-	case IT_GRENADE_LAUNCHER:
-		item.netname = WEPNAME_GRENADE_LAUNCHER;
-		break;
-	case IT_ROCKET_LAUNCHER:
-		item.netname = WEPNAME_ROCKET_LAUNCHER;
-		break;
-	case IT_LIGHTNING:
-		item.netname = WEPNAME_LIGHTNING;
-		break;
-	default:
-		item.netname = "";
-		break;
+		case IT_AXE:
+			item.netname = WEPNAME_AXE;
+			break;
+		case IT_SHOTGUN:
+			item.netname = WEPNAME_SHOTGUN;
+			break;
+		case IT_SUPER_SHOTGUN:
+			item.netname = WEPNAME_SUPER_SHOTGUN;
+			break;
+		case IT_NAILGUN:
+			item.netname = WEPNAME_NAILGUN;
+			break;
+		case IT_SUPER_NAILGUN:
+			item.netname = WEPNAME_SUPER_NAILGUN;
+			break;
+		case IT_GRENADE_LAUNCHER:
+			item.netname = WEPNAME_GRENADE_LAUNCHER;
+			break;
+		case IT_ROCKET_LAUNCHER:
+			item.netname = WEPNAME_ROCKET_LAUNCHER;
+			break;
+		case IT_LIGHTNING:
+			item.netname = WEPNAME_LIGHTNING;
+			break;
+		default:
+			item.netname = "";
+			break;
 	}
 
 	item.ammo_shells = self.ammo_shells;
diff --git a/source/oldone.qc b/source/oldone.qc
index f8f6c8d..a4e62f0 100644
--- a/source/oldone.qc
+++ b/source/oldone.qc
@@ -211,7 +211,7 @@ void() finale_4 = {
 
 	remove(self);
 
-	// switch cd track
+	// change cd track
 	WriteByte(MSG_ALL, SVC_CDTRACK);
 	WriteByte(MSG_ALL, 3);
 	WriteByte(MSG_ALL, 3);
diff --git a/source/world.qc b/source/world.qc
index 30ee140..478db94 100644
--- a/source/world.qc
+++ b/source/world.qc
@@ -1,157 +1,8 @@
 // world.qc: basic entry point functions
 
 void() main = {
-	dprint("main function\n");
-
-	// these are just commands the the prog compiler to copy these files
-
-	precache_file("progs.dat");
-	precache_file("gfx.wad");
-	precache_file("quake.rc");
-	precache_file("default.cfg");
-
-	precache_file("end1.bin");
-	precache_file2("end2.bin");
-
-	precache_file("demo1.dem");
-	precache_file("demo2.dem");
-	precache_file("demo3.dem");
-
-	//
-	// these are all of the lumps from the cached.ls files
-	//
-	precache_file("gfx/palette.lmp");
-	precache_file("gfx/colormap.lmp");
-
-	precache_file2("gfx/pop.lmp");
-
-	precache_file("gfx/complete.lmp");
-	precache_file("gfx/inter.lmp");
-
-	precache_file("gfx/ranking.lmp");
-	precache_file("gfx/vidmodes.lmp");
-	precache_file("gfx/finale.lmp");
-	precache_file("gfx/conback.lmp");
-	precache_file("gfx/qplaque.lmp");
-
-	precache_file("gfx/menudot1.lmp");
-	precache_file("gfx/menudot2.lmp");
-	precache_file("gfx/menudot3.lmp");
-	precache_file("gfx/menudot4.lmp");
-	precache_file("gfx/menudot5.lmp");
-	precache_file("gfx/menudot6.lmp");
-
-	precache_file("gfx/menuplyr.lmp");
-	precache_file("gfx/bigbox.lmp");
-	precache_file("gfx/dim_modm.lmp");
-	precache_file("gfx/dim_drct.lmp");
-	precache_file("gfx/dim_ipx.lmp");
-	precache_file("gfx/dim_tcp.lmp");
-	precache_file("gfx/dim_mult.lmp");
-	precache_file("gfx/mainmenu.lmp");
-
-	precache_file("gfx/box_tl.lmp");
-	precache_file("gfx/box_tm.lmp");
-	precache_file("gfx/box_tr.lmp");
-
-	precache_file("gfx/box_ml.lmp");
-	precache_file("gfx/box_mm.lmp");
-	precache_file("gfx/box_mm2.lmp");
-	precache_file("gfx/box_mr.lmp");
-
-	precache_file("gfx/box_bl.lmp");
-	precache_file("gfx/box_bm.lmp");
-	precache_file("gfx/box_br.lmp");
-
-	precache_file("gfx/sp_menu.lmp");
-	precache_file("gfx/ttl_sgl.lmp");
-	precache_file("gfx/ttl_main.lmp");
-	precache_file("gfx/ttl_cstm.lmp");
-
-	precache_file("gfx/mp_menu.lmp");
-
-	precache_file("gfx/netmen1.lmp");
-	precache_file("gfx/netmen2.lmp");
-	precache_file("gfx/netmen3.lmp");
-	precache_file("gfx/netmen4.lmp");
-	precache_file("gfx/netmen5.lmp");
-
-	precache_file("gfx/sell.lmp");
-
-	precache_file("gfx/help0.lmp");
-	precache_file("gfx/help1.lmp");
-	precache_file("gfx/help2.lmp");
-	precache_file("gfx/help3.lmp");
-	precache_file("gfx/help4.lmp");
-	precache_file("gfx/help5.lmp");
-
-	precache_file("gfx/pause.lmp");
-	precache_file("gfx/loading.lmp");
-
-	precache_file("gfx/p_option.lmp");
-	precache_file("gfx/p_load.lmp");
-	precache_file("gfx/p_save.lmp");
-	precache_file("gfx/p_multi.lmp");
-
-	// sounds loaded by C code
-	precache_sound("misc/menu1.wav");
-	precache_sound("misc/menu2.wav");
-	precache_sound("misc/menu3.wav");
-
-	precache_sound("ambience/water1.wav");
-	precache_sound("ambience/wind2.wav");
-
-	// shareware
-	precache_file("maps/start.bsp");
-
-	precache_file("maps/e1m1.bsp");
-	precache_file("maps/e1m2.bsp");
-	precache_file("maps/e1m3.bsp");
-	precache_file("maps/e1m4.bsp");
-	precache_file("maps/e1m5.bsp");
-	precache_file("maps/e1m6.bsp");
-	precache_file("maps/e1m7.bsp");
-	precache_file("maps/e1m8.bsp");
-
-	// registered
-	precache_file2("gfx/pop.lmp");
-
-	precache_file2("maps/e2m1.bsp");
-	precache_file2("maps/e2m2.bsp");
-	precache_file2("maps/e2m3.bsp");
-	precache_file2("maps/e2m4.bsp");
-	precache_file2("maps/e2m5.bsp");
-	precache_file2("maps/e2m6.bsp");
-	precache_file2("maps/e2m7.bsp");
-
-	precache_file2("maps/e3m1.bsp");
-	precache_file2("maps/e3m2.bsp");
-	precache_file2("maps/e3m3.bsp");
-	precache_file2("maps/e3m4.bsp");
-	precache_file2("maps/e3m5.bsp");
-	precache_file2("maps/e3m6.bsp");
-	precache_file2("maps/e3m7.bsp");
-
-	precache_file2("maps/e4m1.bsp");
-	precache_file2("maps/e4m2.bsp");
-	precache_file2("maps/e4m3.bsp");
-	precache_file2("maps/e4m4.bsp");
-	precache_file2("maps/e4m5.bsp");
-	precache_file2("maps/e4m6.bsp");
-	precache_file2("maps/e4m7.bsp");
-	precache_file2("maps/e4m8.bsp");
-
-	precache_file2("maps/end.bsp");
-
-	precache_file2("maps/dm1.bsp");
-	precache_file2("maps/dm2.bsp");
-	precache_file2("maps/dm3.bsp");
-	precache_file2("maps/dm4.bsp");
-	precache_file2("maps/dm5.bsp");
-	precache_file2("maps/dm6.bsp");
 };
 
-//=======================
 /*QUAKED worldspawn(0 0 0) ?
 Only used for the world entity.
 Set message to the level name.
@@ -162,7 +13,6 @@ World Types:
 1: metal
 2: base
 */
-//=======================
 void() worldspawn = {
 	lastspawn = world;
 	InitBodyQue();