[Basso]

Originally Posted by Resike We need to see your code.

-- Nephilist Nameplates v1.0
-- by lieandswell / Neph <Nephthys @ Hyjal-US>

local function NephilistTest(input)
	if ( input ) then 
		DEFAULT_CHAT_FRAME:AddMessage(input);
	else 
		DEFAULT_CHAT_FRAME:AddMessage("Test");
	end
end

-- Local copies of global variables and often-used functions
local _G = _G;
local WorldFrame = WorldFrame;
local string = string;

local function utf8sub(string, i, dots)
  local bytes = string:len()
  if bytes <= i then
    return string
  else
    local len, pos = 0, 1
    while pos <= bytes do
      len = len + 1
      local c = string:byte(pos)
      if c > 0 and c <= 127 then
        pos = pos + 1
      elseif c >= 194 and c <= 223 then
        pos = pos + 2
      elseif c >= 224 and c <= 239 then
        pos = pos + 3
      elseif c >= 240 and c <= 244 then
        pos = pos + 4
      end
      if len == i then break end
    end
    if len == i and pos <= bytes then
      return string:sub(1, pos - 1)..'*'
    else
      return string
    end
  end
end	

-- AddOn variables

local newNamePlates = {};

local FONT = 'Interface\\AddOns\\NephilistNameplates\\ROADWAY.ttf'
local NAMEPLATE_SCALE = 1;
local FONT_SIZE = 14;
local NONTARGET_ALPHA = 0.5;
local BAR_BORDER = 2; 
local HEALTHBAR_WIDTH = 130;   -- Default nameplate width is ~130
local HEALTHBAR_HEIGHT = 4; 
local HEALTHBAR_SIZE = {HEALTHBAR_WIDTH, HEALTHBAR_HEIGHT}; 
local CASTBAR_WIDTH = HEALTHBAR_WIDTH -15; 
local CASTBAR_HEIGHT = HEALTHBAR_HEIGHT; 
local CASTBAR_SIZE = {CASTBAR_WIDTH, CASTBAR_HEIGHT}; 
local RED = {0.7, 0.1, 0.1, 1};
local YELLOW = {0.7, 0.7, 0.1, 1};
local GREEN = {0.1, 0.6, 0.1, 1};
local BLUE = {0.1, 0.2, 0.7, 1};
local LVLC = {0, 0, 0};

local trash = CreateFrame("Frame"); 
trash:Hide(); 

local function ProcessOldNamePlate(namePlate)

	namePlate.nameFrame = namePlate.NameContainer; 
	namePlate.name = namePlate.NameContainer.NameText;

	namePlate.barFrame = namePlate.ArtContainer; 

	namePlate.border = namePlate.ArtContainer.Border;
	namePlate.oldHighlight = namePlate.ArtContainer.Highlight;
	namePlate.level = namePlate.ArtContainer.LevelText;
	namePlate.raidIcon = namePlate.ArtContainer.RaidTargetIcon;
	namePlate.eliteDragon = namePlate.ArtContainer.EliteIcon;
	namePlate.threatTexture = namePlate.ArtContainer.AggroWarningTexture;
	namePlate.bossIcon = namePlate.ArtContainer.HighLevelIcon;

	namePlate.healthBar = namePlate.ArtContainer.HealthBar;
	namePlate.healthBar.barTexture = namePlate.healthBar:GetRegions();

	namePlate.castBar = namePlate.ArtContainer.CastBar;
	namePlate.castBar.barTexture = namePlate.castBar:GetRegions();
	namePlate.castBar.border = namePlate.ArtContainer.CastBarBorder;
	namePlate.castBar.spellIcon = namePlate.ArtContainer.CastBarSpellIcon;	
	namePlate.castBar.shield = namePlate.ArtContainer.CastBarFrameShield;
	namePlate.castBar.spellName = namePlate.ArtContainer.CastBarText;
	namePlate.castBar.nameShadow = namePlate.ArtContainer.CastBarTextBG;

	-- Reuse some elements of old nameplate
	namePlate.healthBar:SetParent(namePlate.newPlate); 
	namePlate.castBar:SetParent(namePlate.newPlate); 
	namePlate.raidIcon:SetParent(namePlate.healthBar); 
	-- namePlate.highlight:SetParent(namePlate.newPlate);

	-- Nameplates are secure and Hide() will taint, so... 
	-- Reparent text frames we don't need/want so they don't get shown
	namePlate.nameFrame:SetParent(trash); 
	namePlate.level:SetParent(trash); 
	-- Hide unused textures with SetTexture(nil)
	namePlate.border:SetTexture(nil); 
	namePlate.oldHighlight:SetTexture(nil); 
	namePlate.threatTexture:SetTexture(nil); 
	namePlate.castBar.border:SetTexture(nil); 
	namePlate.castBar.nameShadow:SetTexture(nil);

end

local function MakeNewHealthBar(namePlate)

	local healthBar = namePlate.healthBar; 
	healthBar:SetStatusBarTexture("Interface\\AddOns\\NephilistNamePlates\\NephilistBarClean"); 
	-- HealthBar Size and position set in NamePlate_OnShow()

	local healthBarBackground = healthBar:CreateTexture(nil, "ARTWORK", nil, -5); 
	healthBarBackground:SetTexture("Interface\\AddOns\\NephilistNamePlates\\NephilistBarClean"); 
	healthBarBackground:SetVertexColor(unpack(LVLC));
	healthBarBackground:SetWidth(HEALTHBAR_WIDTH + 2 * BAR_BORDER); 
	healthBarBackground:SetHeight(HEALTHBAR_HEIGHT + 2 * BAR_BORDER); 
	healthBarBackground:SetPoint("CENTER"); 

	local newName = healthBar:CreateFontString(nil, "LOW", "GameFontNormal"); 
	newName:SetFont(FONT, FONT_SIZE,'THINOUTLINE'); 
	newName:SetPoint("BOTTOMLEFT", healthBar, "BOTTOMLEFT", 0, 0); 
	namePlate.newName = newName; 
	
	local LVL = healthBar:CreateFontString(nil, "LOW", "GameFontNormal"); 
	LVL:SetFont(FONT, FONT_SIZE-4,'THINOUTLINE'); 
	LVL:SetPoint("TOPRIGHT", healthBarBackground, "BOTTOMRIGHT", 0, -2); 
	namePlate.LVL = LVL; 

	local raidIcon = namePlate.raidIcon; 
	raidIcon:SetHeight(6 * HEALTHBAR_HEIGHT); 
	raidIcon:SetWidth(6 * HEALTHBAR_HEIGHT); 
	raidIcon:ClearAllPoints(); 
	raidIcon:SetPoint("BOTTOM", healthBar, "TOP", 0, 24); 

	local highlight = healthBar:CreateTexture(nil, "ARTWORK", nil, -6);
	highlight:SetTexture("Interface\\AddOns\\NephilistNamePlates\\NephilistBarClean"); 
	highlight:SetVertexColor(1, 1, 1); 
	highlight:SetWidth(HEALTHBAR_WIDTH + 3 * BAR_BORDER); 
	highlight:SetHeight(HEALTHBAR_HEIGHT + 3 * BAR_BORDER); 
	-- highlight:ClearAllPoints(); 
	highlight:SetPoint("CENTER"); 
	namePlate.highlight = highlight;
	
	

end

local function MakeNewCastBar(nameplate)

	local castBar = nameplate.castBar
	local spellIcon = nameplate.castBar.spellIcon
	castBar:SetStatusBarTexture("Interface\\AddOns\\NephilistNamePlates\\NephilistBarClean"); 
	castBar.point = {"BOTTOMRIGHT", nameplate.healthBar, "TOPRIGHT", 0, 15}; 
	castBar.size = CASTBAR_SIZE; 
	-- castBar.size and castBar.point used to set size and position in CastBar_OnShow()

	local castBarBackground = castBar:CreateTexture(nil, "ARTWORK", nil, -2); 
	castBarBackground:SetTexture("Interface\\AddOns\\NephilistNamePlates\\NephilistBarClean"); 
	castBarBackground:SetVertexColor(0, 0, 0); 
	castBarBackground:SetWidth(CASTBAR_WIDTH + 2 * BAR_BORDER); 
	castBarBackground:SetHeight(CASTBAR_HEIGHT + 2 * BAR_BORDER); 
	castBarBackground:SetPoint("CENTER"); 
	
	spellIcon:ClearAllPoints(); 
	--spellIcon:SetFrameLevel("LOW");
	spellIcon:SetWidth(CASTBAR_HEIGHT * (BAR_BORDER + 1)); 
	spellIcon:SetHeight(CASTBAR_HEIGHT * (BAR_BORDER + 1)); 
	spellIcon:SetPoint("BOTTOMRIGHT", castBar, "BOTTOMLEFT", -4, 0);
	
	
	local SpellIconBackground = castBar:CreateTexture(nil, "MEDIUM", nil, -2); 
	SpellIconBackground:SetTexture("Interface\\AddOns\\NephilistNamePlates\\SpellIcon"); 
	SpellIconBackground:SetVertexColor(0, 0, 0); 
	SpellIconBackground:SetWidth((CASTBAR_HEIGHT * (BAR_BORDER + 1)) + 1); 
	SpellIconBackground:SetHeight((CASTBAR_HEIGHT * (BAR_BORDER + 1)) + 1); 
	SpellIconBackground:SetPoint("CENTER", castBar.spellIcon, "CENTER", 0, 0); 

	castBar.spellName:SetFont(FONT, FONT_SIZE,'THINOUTLINE'); 
	castBar.spellName:ClearAllPoints(); 
	castBar.spellName:SetPoint("BOTTOMLEFT"); 
	--castBar.spellName = utf8sub(castBar.spellName:GetText(), 27, false);
	
	castBar.shield:SetDrawLayer("OVERLAY", -6); 
	castBar.shield:SetTexture("Interface\\HELPFRAME\\HelpIcon-AccountSecurity"); 
	castBar.shield:SetDesaturated(true);
	-- Shield size and position set in CastBar_OnShow()

end

local function NamePlate_OnShow(namePlate)

	local healthBar = namePlate.healthBar;
	healthBar:SetWidth(HEALTHBAR_WIDTH);
	healthBar:SetHeight(HEALTHBAR_HEIGHT);
	healthBar:ClearAllPoints(); 
	healthBar:SetPoint("CENTER", namePlate.barFrame, "CENTER", 0, 0); 

	-- Mute colors
	local red, green, blue, alpha = healthBar.barTexture:GetVertexColor(); 
--[[
	if ( red > 0.99 ) and ( green < 0.01 ) and ( blue < 0.01 ) then  -- Red
		healthBar.barTexture:SetVertexColor(0.7, 0.1, 0.1, 1);  
	elseif ( red > 0.99 ) and ( green > 0.99 ) and ( blue < 0.01 ) then   -- Yellow
		healthBar.barTexture:SetVertexColor(0.7, 0.7, 0.1, 1);  
	elseif ( red < 0.01 ) and ( green > 0.99 ) and ( blue < 0.01 ) then   -- Green
		healthBar.barTexture:SetVertexColor(0.1, 0.6, 0.1, 1);  
	elseif ( red < 0.01 ) and ( green < 0.01 ) and ( blue > 0.99 ) then   -- Blue
		healthBar.barTexture:SetVertexColor(0.1, 0.2, 0.7, 1);  
	end
--]]
	if ( red > 0.99 ) and ( green < 0.01 ) and ( blue < 0.01 ) then  -- Red
		healthBar.barTexture:SetVertexColor(unpack(RED));  
	elseif ( red > 0.99 ) and ( green > 0.99 ) and ( blue < 0.01 ) then   -- Yellow
		healthBar.barTexture:SetVertexColor(unpack(YELLOW));  
	elseif ( red < 0.01 ) and ( green > 0.99 ) and ( blue < 0.01 ) then   -- Green
		healthBar.barTexture:SetVertexColor(unpack(GREEN));  
	elseif ( red < 0.01 ) and ( green < 0.01 ) and ( blue > 0.99 ) then   -- Blue
		healthBar.barTexture:SetVertexColor(unpack(BLUE));  
	end
	
	local name = utf8sub(namePlate.name:GetText(), 27, false) or "Unknown"; 
	namePlate.newName:SetText(name); 
	namePlate.newName:SetTextColor(0.8, 0.8, 0.8);
	
	local level, elite = tonumber(namePlate.level:GetText()), namePlate.eliteDragon:IsShown()
	if namePlate.bossIcon:IsShown() then
		namePlate.LVL:SetText("Boss")
	elseif elite then
		namePlate.LVL:SetText(level..(elite and "+" or ""))
	else
		namePlate.LVL:SetText(level); 
	end
	namePlate.LVL:SetTextColor(0.8, 0.8, 0.8);	
	
	namePlate.eliteDragon:SetTexture(nil); 
	namePlate.bossIcon:SetTexture(nil); 
	
	local scale = namePlate.barFrame:GetScale();
	if (scale > 0.9) then
		namePlate.newPlate:SetScale(NAMEPLATE_SCALE); 
	else
		namePlate.newPlate:SetScale(0.7 * NAMEPLATE_SCALE); 
	end

	namePlate.newPlate:Show(); 

end

local function NamePlate_OnHide(namePlate)
	namePlate.newPlate:Hide(); 
end

local function CastBar_OnShow(castBar)
	castBar:SetSize(unpack(castBar.size)); 
	castBar:ClearAllPoints(); 
	castBar:SetPoint(unpack(castBar.point)); 
	if ( castBar.shield:IsShown() ) then
		castBar.shield:ClearAllPoints(); 
		castBar.shield:SetPoint("CENTER", castBar.spellIcon, "CENTER", 0, 0); 
		castBar.shield:SetWidth(2.4 * CASTBAR_HEIGHT); 
		castBar.shield:SetHeight(2.4 * CASTBAR_HEIGHT); 
		castBar.shield:SetVertexColor(0.8, 0.8, 0.8, 1);
		castBar:SetStatusBarColor(0.35, 0.35, 0.35); 
	else
		castBar:SetStatusBarColor(0.77, 0.77, 0.77); 
	end
end

-- Instead of anchoring new nameplate directly to Blizzard nameplate, track nameplate position 
-- with SetPoint().  Attaching frames to default nameplates will kill your framerate. 
local function PositionNamePlate(namePlate)
	local positionFrame = CreateFrame("Frame", nil, namePlate.newPlate); 
	positionFrame:SetPoint("BOTTOMLEFT", WorldFrame); 
	positionFrame:SetPoint("TOPRIGHT", namePlate, "CENTER"); 
	positionFrame:SetScript("OnSizeChanged", function(self, x, y)
		if ( namePlate:IsShown() ) then
			namePlate.newPlate:Hide(); -- Supposedly increases framerate. Not convinced. 
			namePlate.newPlate:SetPoint("TOP", WorldFrame, "BOTTOMLEFT", x, y);
			namePlate.newPlate:Show();
		end
	end)
end

local function MakeNewNamePlate(namePlate)

	namePlate.newPlate = CreateFrame("Frame", nil, WorldFrame); 
	newNamePlates[namePlate] = namePlate.newPlate; 

	ProcessOldNamePlate(namePlate); 
	MakeNewHealthBar(namePlate); 
	MakeNewCastBar(namePlate); 
	NamePlate_OnShow(namePlate); 

	if ( not namePlate:IsShown() ) then namePlate.newPlate:Hide(); end

	CastBar_OnShow(namePlate.castBar); 
	namePlate:HookScript("OnShow", NamePlate_OnShow); 
	namePlate:HookScript("OnHide", NamePlate_OnHide); 
	namePlate.castBar:HookScript("OnShow", CastBar_OnShow); 
	namePlate.castBar:HookScript("OnValueChanged", CastBar_OnShow); 
	-- Sometimes the castBar isn't getting redrawn.  Why not?  Something to do with channeled spells. 

	PositionNamePlate(namePlate); 
end

local numChildren = -1; 
WorldFrame:HookScript("OnUpdate", function(self, elapsed)

	-- Detect new nameplates and process any we haven't already
	local currentChildren = select("#", WorldFrame:GetChildren()); 
	if ( numChildren ~= currentChildren ) then
		for i = 1, currentChildren do
			local namePlate = select(i, WorldFrame:GetChildren()); 
			local name = namePlate:GetName();
			if ( name and string.match(name, "^NamePlate%d+$") and not newNamePlates[namePlate] ) then 
				MakeNewNamePlate(namePlate); 
			end
		end
		numChildren = currentChildren; 
	end

	for namePlate, newPlate in next, newNamePlates do
		if ( namePlate:IsShown() ) then
			-- Fade out unselected nameplates
			if ( namePlate:GetAlpha() > 0.99 ) then
				newPlate:SetAlpha(1); 
			else
				newPlate:SetAlpha(NONTARGET_ALPHA); 
			end
			-- Show/hide highlight
			if ( namePlate.oldHighlight:IsShown() ) then
				namePlate.highlight:Show(); 
			else
				namePlate.highlight:Hide(); 
			end		
		end
	end

end)

that the whole code of the nameplate addon im modifying for personal use.