tracking: add indicator and dropdown menu

api/config.lua

@@ -68,6 +68,8 @@ function pfUI:LoadConfig()
   pfUI:UpdateConfig("appearance", "bags",        "borderonlygear",   "0")
   pfUI:UpdateConfig("appearance", "minimap",     "mouseoverzone",    "0")
   pfUI:UpdateConfig("appearance", "minimap",     "coordsloc",        "bottomleft")
+  pfUI:UpdateConfig("appearance", "minimap",     "tracking_size",    "16")
+  pfUI:UpdateConfig("appearance", "minimap",     "tracking_pulse",   "1")
 
   pfUI:UpdateConfig("loot",       nil,           "autoresize",       "1")
   pfUI:UpdateConfig("loot",       nil,           "autopickup",       "1")

modules/gui.lua

@@ -1192,6 +1192,8 @@ pfUI:RegisterModule("gui", function ()
       CreateConfig(this, T["Disable Minimap Buffs"], C.global, "hidebuff", "checkbox")
       CreateConfig(this, T["Disable Minimap Weapon Buffs"], C.global, "hidewbuff", "checkbox")
       CreateConfig(this, T["Show PvP Icon"], C.unitframes.player, "showPVPMinimap", "checkbox")
+      CreateConfig(this, T["Show Inactive Tracking"], C.appearance.minimap, "tracking_pulse", "checkbox")
+      CreateConfig(this, T["Tracking Icon Size"], C.appearance.minimap, "tracking_size")
       this.setup = true
     end
   end)

modules/tracking.lua

@@ -0,0 +1,188 @@
+pfUI:RegisterModule("tracking", function ()
+
+  MiniMapTrackingFrame:UnregisterAllEvents()
+  MiniMapTrackingFrame:Hide()
+
+  local config = {
+      border = C.appearance.border.default,
+      size = tonumber(C.appearance.minimap.tracking_size),
+      pulse = C.appearance.minimap.tracking_pulse == "1"
+  }
+
+  local knownTrackingSpellTextures = {
+    any = {
+      "Racial_Dwarf_FindTreasure", -- Find Treasure
+      "Spell_Nature_Earthquake", -- Find Minerals
+      "INV_Misc_Flower_02" -- Find Herbs
+    },
+    HUNTER = {
+      "Ability_Tracking", -- Track Beasts, 4+
+      "Spell_Holy_PrayerOfHealing", -- Track Humanoids, 10+
+      "Spell_Shadow_DarkSummoning", -- Track Undead, 18+
+      "Ability_Stealth", -- Track Hidden, 24+
+      "Spell_Frost_SummonWaterElemental", -- Track Elementals, 26+
+      "Spell_Shadow_SummonFelhunter", -- Track Deamons, 32+
+      "Ability_Racial_Avatar", -- Track Giants, 40+
+      "INV_Misc_Head_Dragon_01" -- Track Dragonkin, 50+
+    },
+    PALADIN = {
+      "Spell_Holy_SenseUndead" -- Sense Undead, 20+
+    },
+    WARLOCK = {
+      "Spell_Shadow_Metamorphosis" -- Sense Demons, 24+
+    },
+    DRUID = {
+      "Ability_Tracking" -- Track Humanoids, 32+, Cat Form only!
+    }
+  }
+
+  local state = {
+    texture = nil,
+    spells = {}
+  }
+
+  pfUI.tracking = CreateFrame("Button", "pfUITracking", UIParent)
+  pfUI.tracking:SetFrameStrata("LOW")
+  CreateBackdrop(pfUI.tracking, config.border)
+  pfUI.tracking:SetPoint("TOPLEFT", pfUI.minimap, -10, -10)
+  UpdateMovable(pfUI.tracking)
+  pfUI.tracking:SetWidth(config.size)
+  pfUI.tracking:SetHeight(config.size)
+
+  pfUI.tracking.icon = pfUI.tracking:CreateTexture("BACKGROUND")
+  pfUI.tracking.icon:SetTexCoord(.08, .92, .08, .92)
+  pfUI.tracking.icon:SetAllPoints(pfUI.tracking)
+
+  pfUI.tracking.menu = CreateFrame("Frame", "pfUIDropDownMenuTracking", nil, "UIDropDownMenuTemplate")
+
+  pfUI.tracking:RegisterEvent("PLAYER_ENTERING_WORLD")
+  pfUI.tracking:RegisterEvent("PLAYER_AURAS_CHANGED")
+  pfUI.tracking:RegisterEvent("SPELLS_CHANGED")
+  pfUI.tracking:RegisterEvent("UPDATE_SHAPESHIFT_FORMS")
+  pfUI.tracking:SetScript("OnEvent", function()
+    this:RefreshSpells()
+    local texture = GetTrackingTexture()
+    if texture and texture ~= state.texture then
+      state.texture = texture
+      this.pulse = nil
+      this.icon:SetTexture(texture)
+      this.icon:SetVertexColor(1,1,1,1)
+      this:Show()
+    else
+      state.texture = texture
+
+      if config.pulse and table.getn(state.spells) > 0 then
+        this.pulse = true
+        this.icon:SetTexture("Interface\\Icons\\INV_Misc_QuestionMark")
+        this.icon:SetVertexColor(1,1,1,1)
+        this:Show()
+      else
+        this.pulse = nil
+        this:Hide()
+        message("hide")
+      end
+    end
+  end)
+
+  pfUI.tracking:SetScript("OnUpdate", function()
+    if this.pulse then
+      local _,_,_,alpha = this.icon:GetVertexColor()
+      local fpsmod = GetFramerate() / 30
+      if not alpha or alpha >= 0.9 then
+        this.modifier = -0.03 / fpsmod
+      elseif alpha <= .5 then
+        this.modifier = 0.03  / fpsmod
+      end
+
+      this.icon:SetVertexColor(1,1,1,alpha + this.modifier)
+    end
+  end)
+
+  pfUI.tracking:RegisterForClicks("LeftButtonUp", "RightButtonUp")
+  pfUI.tracking:SetScript("OnClick", function()
+    if arg1 == "RightButton" then
+      pfUI.tracking:InitMenu()
+      ToggleDropDownMenu(1, nil, pfUI.tracking.menu, this, -5, -5)
+    end
+    if arg1 == "LeftButton" and state.texture then
+      CancelTrackingBuff()
+    end
+  end)
+
+  pfUI.tracking:SetScript("OnEnter", function()
+    GameTooltip_SetDefaultAnchor(GameTooltip, this)
+    if state.texture then
+      GameTooltip:SetTrackingSpell()
+    else
+      GameTooltip:SetText(T["No tracking spell active"])
+    end
+    GameTooltip:Show()
+  end)
+
+  pfUI.tracking:SetScript("OnLeave", function()
+    GameTooltip:Hide()
+  end)
+
+  function pfUI.tracking:RefreshSpells()
+    local _, playerClass = UnitClass(PLAYER)
+    local isCatForm = pfUI.tracking:PlayerIsDruidInCatForm(playerClass)
+
+    state.spells = {}
+    for tabIndex = 1, GetNumSpellTabs() do
+      local _, _, offset, numSpells = GetSpellTabInfo(tabIndex)
+      for spellIndex = offset + 1, offset + numSpells do
+        local spellTexture = GetSpellTexture(spellIndex, BOOKTYPE_SPELL)
+        for _, c in pairs({"any", playerClass}) do
+          for _, t in pairs(knownTrackingSpellTextures[c] or {}) do
+            if c == "DRUID" and not isCatForm then
+              break
+            end
+            if strfind(spellTexture, t) then
+              table.insert(state.spells, {
+                index = spellIndex,
+                name = GetSpellName(spellIndex, BOOKTYPE_SPELL),
+                texture = spellTexture
+              })
+              break
+            end
+          end
+        end
+      end
+    end
+  end
+
+  function pfUI.tracking:PlayerIsDruidInCatForm(playerClass)
+    if playerClass == "DRUID" then
+      for i = 0, 31 do
+        local texture = GetPlayerBuffTexture(i)
+        if not texture then break end
+        if strfind(texture, "Ability_Druid_CatForm") then
+          return true
+        end
+      end
+    end
+    return false
+  end
+
+  function pfUI.tracking:InitMenu()
+    UIDropDownMenu_Initialize(pfUI.tracking.menu, function ()
+      UIDropDownMenu_AddButton({text = T["Minimap Tracking"], isTitle = 1})
+      for _, spell in pairs(state.spells) do
+        UIDropDownMenu_AddButton({
+          text = spell.name,
+          icon = spell.texture,
+          tCoordLeft = .1,
+          tCoordRight = .9,
+          tCoordTop = .1,
+          tCoordBottom = .9,
+          checked = spell.texture == state.texture,
+          arg1 = spell,
+          func = function (arg1)
+            CastSpell(arg1.index, BOOKTYPE_SPELL)
+            CloseDropDownMenus()
+          end
+        })
+      end
+    end, "MENU");
+  end
+end)

pfUI.toc

@@ -86,3 +86,4 @@ modules\socialmod.lua
 modules\feigndeath.lua
 modules\hdgraphic.lua
 modules\share.lua
+modules\tracking.lua