From 4b43ee86c04f966c43bcdddd36a3a93872c929d1 Mon Sep 17 00:00:00 2001
From: PhatPhuckDave <david.majdandzic@hotmail.com>
Date: Thu, 9 Jan 2025 12:06:34 +0100
Subject: [PATCH] Implement fading alerts

---
 Heimdall.lua              |  2 ++
 Modules/Config.lua        | 15 ++++++++++
 Modules/MinimapTagger.lua | 62 ++++++++++++++++++++++++++++++++++++---
 3 files changed, 75 insertions(+), 4 deletions(-)

diff --git a/Heimdall.lua b/Heimdall.lua
index 23e58a8..d5ada49 100644
--- a/Heimdall.lua
+++ b/Heimdall.lua
@@ -170,6 +170,7 @@ local function init()
     ---@field masterChannel string
     ---@field throttle number
     ---@field scale number
+    ---@field ttl number
 
     --- Data ---
     ---@class HeimdallMessengerData
@@ -337,6 +338,7 @@ local function init()
             masterChannel = shared.GetOrDefault(Heimdall_Data, { "config", "minimapTagger", "masterChannel" }, "Agent"),
             throttle = shared.GetOrDefault(Heimdall_Data, { "config", "minimapTagger", "throttle" }, 10),
             scale = shared.GetOrDefault(Heimdall_Data, { "config", "minimapTagger", "scale" }, 3),
+            ttl = shared.GetOrDefault(Heimdall_Data, { "config", "minimapTagger", "ttl" }, 1),
         },
 
     }
diff --git a/Modules/Config.lua b/Modules/Config.lua
index b35a98e..cc14962 100644
--- a/Modules/Config.lua
+++ b/Modules/Config.lua
@@ -1390,6 +1390,21 @@ function shared.Config.Init()
                 end
             end)
         minimapTaggerConfigFrame:Add(masterChannel, 2, 6)
+
+        local ttl = CreateBasicSmallEditBox("HeimdallMinimapTaggerConfigTTL",
+            minimapTaggerConfigFrame.frame, "TTL",
+            Heimdall_Data.config.minimapTagger.ttl,
+            function(self)
+                local text = self:GetText()
+                if string.match(text, "%d+") then
+                    Heimdall_Data.config.minimapTagger.ttl = tonumber(text)
+                    print("TTL set to", tostring(text))
+                else
+                    print("Invalid ttl", tostring(text))
+                    self:SetText(Heimdall_Data.config.minimapTagger.ttl)
+                end
+            end)
+        minimapTaggerConfigFrame:Add(ttl, 2, 6)
     end
 
     -- Whisper Notify
diff --git a/Modules/MinimapTagger.lua b/Modules/MinimapTagger.lua
index 1e20afb..6f1ccc2 100644
--- a/Modules/MinimapTagger.lua
+++ b/Modules/MinimapTagger.lua
@@ -6,10 +6,6 @@ local ModuleName = "MinimapTagger"
 ---@diagnostic disable-next-line: missing-fields
 shared.MinimapTagger = {}
 function shared.MinimapTagger.Init()
-	if Heimdall_Data.config.minimapTagger.debug then
-		print(string.format("[%s] Module initialized", ModuleName))
-	end
-
 	local alertFramePool = {}
 	local alertFramePoolMaxSize = 20
 	---@param x number
@@ -39,6 +35,12 @@ function shared.MinimapTagger.Init()
 			print(string.format("[%s] Alert position: %d, %d", ModuleName, x, y))
 			print(string.format("[%s] Alert offset: %d, %d", ModuleName, offsetx, offsety))
 		end
+		if not frame and #alertFramePool >= alertFramePoolMaxSize then
+			if Heimdall_Data.config.minimapTagger.debug then
+				print(string.format("[%s] Alert frame pool is full, skipping", ModuleName))
+			end
+			return
+		end
 
 		if not frame then
 			if Heimdall_Data.config.minimapTagger.debug then
@@ -58,7 +60,33 @@ function shared.MinimapTagger.Init()
 				print(string.format("[%s] Alert frame created, pool size: %d", ModuleName, #alertFramePool))
 			end
 		end
+
 		frame:SetPoint("CENTER", BattlefieldMinimap, "TOPLEFT", offsetx, -offsety)
+		if Heimdall_Data.config.minimapTagger.debug then
+			print(string.format("[%s] Alert frame created, OnUpdate hooked", ModuleName))
+		end
+		frame:SetScript("OnShow", function(self)
+			self:SetAlpha(1)
+			self.custom.busy = true
+			self.custom.progress = 0
+			self:SetScript("OnUpdate", function(self, elapsed)
+				self.custom.progress = self.custom.progress + elapsed
+				local progress = self.custom.progress / Heimdall_Data.config.minimapTagger.ttl
+				if Heimdall_Data.config.minimapTagger.debug then
+					print(string.format("[%s] Alert progress%%: %f", ModuleName, progress))
+					print(string.format("[%s] Alert progress: %f", ModuleName, self.custom.progress))
+					print(string.format("[%s] Alert ttl: %f", ModuleName, Heimdall_Data.config.minimapTagger.ttl))
+				end
+				self:SetAlpha(1 - progress)
+
+				if progress >= 1 then
+					self:Hide()
+					self.custom.busy = false
+					self:SetScript("OnUpdate", nil)
+				end
+			end)
+		end)
+		frame:Show()
 	end
 
 	local frame = CreateFrame("Frame")
@@ -70,6 +98,12 @@ function shared.MinimapTagger.Init()
 			end
 			return
 		end
+		if not Heimdall_Data.config.minimapTagger.enabled then
+			if Heimdall_Data.config.minimapTagger.debug then
+				print(string.format("[%s] MinimapTagger is disabled", ModuleName))
+			end
+			return
+		end
 		--local scale = Heimdall_Data.config.minimapTagger.scale
 		local scale = 4
 		BattlefieldMinimap:SetScale(scale)
@@ -81,7 +115,27 @@ function shared.MinimapTagger.Init()
 		BattlefieldMinimapBackground:Hide()
 		BattlefieldMinimapCloseButton:Hide()
 		BattlefieldMinimapCorner:Hide()
+		BattlefieldMinimap:HookScript("OnShow", function(self)
+			for i = 1, 10 do
+				local x = math.random()
+				local y = math.random()
+				PlantAlert(x * 100, y * 100)
+			end
+		end)
+		BattlefieldMinimap:HookScript("OnHide", function(self)
+			for _, alertFrame in ipairs(alertFramePool) do
+				alertFrame:Hide()
+				alertFrame.custom.busy = false
+			end
+		end)
+		BattlefieldMinimap:Hide()
+		BattlefieldMinimap:Show()
 	end)
 
 	print("[Heimdall] MinimapTagger loaded")
 end
+
+SlashCmdList["HEIMDALL_MINIMAPTAGGER"] = function(args)
+	shared.MinimapTagger.Init()
+end
+SLASH_HEIMDALL_MINIMAPTAGGER1 = "/mf"