Text wrapping algorithm

gamemode/engine/derma/lib/cl_menu_dialogueBox.lua

@@ -5,8 +5,6 @@
 --  \ \   / ____ \| | | | | | | |  __/ (__| | | |  / / 
 --   \_\ /_/    \_\_|_| |_| |_|_|\___|\___|_| |_| /_/  
 
--- This is mainly used for cinematic, do not confuse it with NPC dialogue
-
 local log = {}
 local scale = Quantum.Client.ResolutionScale
 local padding = 10 * scale
@@ -14,17 +12,52 @@ local padding_s = 4 * scale
 
 local theme = Quantum.Client.Menu.GetAPI( "theme" )
 
+function log.genTextLinebreak( txt, font, maxW )
+	local wordlist = string.Split( txt, " " ) -- all words are seperated by spaces
+	local lines = {}
+
+	surface.SetFont(font)
+	for i=1, #wordlist do -- loop through all of the words
+		local str = wordlist[i] -- "workspace string"
+		local wordsUsed = {i}
+		for n=i-1, 1, -1 do -- add all words behind i
+			if(wordlist[n] != nil) then
+				str = wordlist[n] .. " " .. str	
+				table.insert(wordsUsed, n) -- remove them all later from wordlist
+			end
+		end
+		local add = ""
+		if( wordlist[i+1] != nil ) then add = " " .. wordlist[i+1] end
+		if(surface.GetTextSize(str .. add) >= maxW) then 
+			table.insert(lines, str .. "\n")
+			for _, wordI in pairs(wordsUsed) do
+				wordlist[wordI] = nil
+			end
+		end
+	end
+	return lines
+end
+
+function log.appendLinesToStr(tbl)
+	local out = ""
+	for _, l in SortedPairs(tbl) do
+		out = out .. l
+	end
+	return out
+end
+
 function log.createDialogueBox( logdata, parent )
 	cinematic = cinematic || true
 	local fw, fh = parent:GetSize()
 	local logtext = logdata["init"].question
 
 	local box = vgui.Create( "DPanel", parent )
-	box:SetSize( 775 * scale, 80 * scale )
+	local maxW, maxH = 775 * scale, 160 * scale
-	box.Paint = theme.sharpblurpanel( self ) 
+	box:SetSize( maxW, maxH )
-	box.w, box.h = box:GetSize()
+	box.Paint = function( self, w, h ) 
-	box:SetPos( fw/2 - box.w/2, fh*0.7 - box.h/2 ) 
+	surface.SetDrawColor( 20, 20, 20, 220 )
-	box.x, box.y = box:GetPos()
+		surface.DrawRect( 0, 0, w, h )
+	end
 	
 	local scroll = vgui.Create( "DScrollPanel", box )
 	scroll:SetSize( box:GetSize() )
@@ -36,18 +69,27 @@ function log.createDialogueBox( logdata, parent )
 	end
 	sb.btnUp:SetSize(0,0)
 	sb.btnDown:SetSize(0,0)
+	scroll:SetSize( box:GetSize() )
 	scroll.w, scroll.h = scroll:GetSize()
 
 	local text = vgui.Create( "DLabel", scroll )
-	text:SetText( logtext )
 	text:SetFont( "q_dialogue_question" )
+	text.lines = log.genTextLinebreak( logtext, text:GetFont(), maxW - (padding) )
+	text:SetText(log.appendLinesToStr(text.lines))
 	text:SetTextColor( Color( 240, 240, 240, 255 ) )
-	text:SetSize( scroll.w * 0.95, scroll.h * 0.95 )
+	text:SetWidth( maxW )
-	text:SetWrap( true )
+	text:SizeToContentsY()
 
 	text.w, text.h = text:GetSize()
+	text:SetPos(padding, padding)
 	
-	text:SetPos( scroll.w/2 - text.w/2, 0 )
+	box:SizeToChildren( false, true )
+	
+	box.w, box.h = box:GetSize()
+	if( box.h > maxH ) then 
+		box:SetHeight(maxH)
+	end
+	box:SetPos( fw/2 - box.w/2, fh*0.7 )
 
 	return box
 end

gamemode/settings/sh_dialogues.lua

@@ -9,7 +9,7 @@
 ---- CREATE DIALOGUE INSTANCES UNDER THIS LINE ----
 Quantum.Dialogue.Create( "npc_generalvendor" )
 
-	Quantum.Dialogue.AddQuestion( "npc_generalvendor", "init", "What do you want?" )
+	Quantum.Dialogue.AddQuestion( "npc_generalvendor", "init", "What do you want? I don't have time for any shenanigans right now! Go away! REEEEEEEEEEEEEE! Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur mi leo, blandit in ullamcorper sit amet, tristique in purus. Morbi vehicula suscipit faucibus. Quisque ultricies nisl magna, quis facilisis sem aliquam id. Integer non est sagittis, laoreet ipsum et, euismod odio. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. In sollicitudin turpis eget libero maximus commodo." )
 
 		Quantum.Dialogue.AddResponse( "npc_generalvendor", "init", {
 			text = "To do business.",