Plater_KuiNameplates_Module.lua

function (self, unitId, unitFrame, envTable)
    
    --after editing this script, save it and /reload
    
    Plater.TargetIndicators  ["KuiArrow"] = {
        path = [[Interface\Addons\Kui_Nameplates_Core\media\target-arrow]],
        coords = {
            {0, 1, 0, 1}, 
            {1, 0, 0, 1}
        },
        desaturated = false,
        width = 18,
        height = 18,
        x = 14,
        y = 0,
        blend = "ADD",
        color = "white",
    }
    
    --- Threat Indicators ---
    local aggroIndicator = {
        path = [[Interface\AddOns\Kui_Nameplates_Core\media\threat-bracket]],
        coords = {
            {0, 1, 0, 1},
            {1, 0, 0, 1}
        },
        width = 18,
        height = 9,
        x = 18,
        y = 0,
        blend = "ADD",
        color = "red"
    }
    local originalUpdateNameplateThread = Plater.UpdateNameplateThread
    local THREAT_DRAW_LAYER = 7
    local tinsert = table.insert
    
    --actor types
    local ACTORTYPE_FRIENDLY_PLAYER = "friendlyplayer"
    local ACTORTYPE_FRIENDLY_NPC = "friendlynpc"
    local ACTORTYPE_ENEMY_PLAYER = "enemyplayer"
    local ACTORTYPE_ENEMY_NPC = "enemynpc"
    local ACTORTYPE_PLAYER = "player"

    local function IsPlayerEffectivelyTank()
        local assignedRole = UnitGroupRolesAssigned ("player")
        if (assignedRole == "NONE") then
            local spec = GetSpecialization()
            return spec and GetSpecializationRole (spec) == "TANK"
        end
        return assignedRole == "TANK"
    end
    
    Plater.UpdateNameplateThread = function (unitFrame)
        
        originalUpdateNameplateThread(unitFrame)
        --make sure there's a unitID in the unit frame
        
        local healthBar = unitFrame.healthBar
        local healthBarHeight = healthBar:GetHeight()
        
        if (not unitFrame.AggroIndicatorFrame) then
            unitFrame.AggroIndicatorFrame = {}
            local aggroTextures = unitFrame.AggroIndicatorFrame
            -- inited aggro textures
            if (#aggroTextures == 0) then
                for i = 1, 4 do
                    local aggroTexture = healthBar:CreateTexture (nil, "overlay")
                    aggroTexture:SetDrawLayer ("overlay", THREAT_DRAW_LAYER)
                    aggroTexture:SetTexture (aggroIndicator.path)
                    aggroTexture:SetBlendMode ("ADD")
                    tinsert(unitFrame.AggroIndicatorFrame, aggroTexture)
                end
            end
        end
        
        local isTanking, threatStatus, threatpct = UnitDetailedThreatSituation ("player", unitFrame.displayedUnit)
        threatpct = threatpct or 0
        threatStatus = threatStatus or 0
        local scale = healthBar:GetHeight()
        local scale = healthBarHeight / 10
        local playerIsTank = IsPlayerEffectivelyTank()

        
        if (threatStatus > 1) then
            for i = 1, 4 do
                local texture = unitFrame.AggroIndicatorFrame[i]
                texture:Show()
                texture:SetSize (12 * scale, 12 * scale)
                if (threatStatus == 2) then
                    texture:SetVertexColor (1, 0.2, 0, 1)
                elseif (threatStatus == 3) then
                    texture:SetVertexColor (1, 0, 0, 1)
                end
                if (i == 1) then
                    texture:SetTexCoord (0, 1, 0, 1)
                    texture:SetPoint ("bottomright", healthBar, "topleft", 0, 0)
                    
                elseif (i == 2) then
                    texture:SetTexCoord (0, 1, 1, 0)
                    texture:SetPoint ("topright", healthBar, "bottomleft", 0, 0)
                    
                elseif (i == 3) then
                    texture:SetTexCoord (1, 0, 0, 1)
                    texture:SetPoint ("bottomleft", healthBar, "topright", 0, 0)
                    
                elseif (i == 4) then
                    texture:SetTexCoord (1, 0, 1, 0)
                    texture:SetPoint ("topleft", healthBar, "bottomright", 0, 0)
                    
                end
            end
        else
            for i = 1, 4 do
                local texture = unitFrame.AggroIndicatorFrame[i]
                texture:Hide()
            end
        end
    end
    
end