i think it works

MAJOR antag backend update
- you cannot bruteforce the pen anymore
- uplink now uses bitflag to lock purchases
- poplock is handled entirely by the buyable uplink items
- tgui antag intro (for selected ones)

code/datums/chatmessage.dm

@@ -18,8 +18,6 @@
 #define CHAT_LAYER_Z_STEP			0.0001
 /// The number of z-layer 'slices' usable by the chat message layering
 #define CHAT_LAYER_MAX_Z			(CHAT_LAYER_MAX - CHAT_LAYER) / CHAT_LAYER_Z_STEP
-/// Macro from Lummox used to get height from a MeasureText proc
-#define WXH_TO_HEIGHT(x)			text2num(copytext(x, findtextEx(x, "x") + 1))
 
 /**
   * # Chat Message Overlay
@@ -165,7 +163,7 @@
 	message.maptext_width = CHAT_MESSAGE_WIDTH
 	message.maptext_height = mheight
 	message.maptext_x = (CHAT_MESSAGE_WIDTH - owner.bound_width) * -0.5
-	message.maptext = complete_text
+	message.maptext = MAPTEXT(complete_text)
 
 	// View the message
 	LAZYADDASSOC(owned_by.seen_messages, message_loc, src)