Add combat error beacon and adjust combat recovery

LogicBeacon/LogicBeacon.lua

@@ -139,7 +139,41 @@ local function GetFollowSignal()
     return 0
 end
 
+local combatErrorSignal = 255
+local errorTimer = 0
+
+local function UpdateCombatErrorSignal(message)
+    if not message or message == "" then
+        return
+    end
+
+    if message == "你需要面对目标" or message == ERR_BADATTACKFACING then
+        combatErrorSignal = 50
+    elseif message == "距离太远" or message == ERR_OUT_OF_RANGE then
+        combatErrorSignal = 100
+    elseif message == "目标不在视野中" or message == ERR_NOT_IN_LOS then
+        combatErrorSignal = 150
+    elseif message == "法术还没准备好" or message == "技能还没有准备好。" then
+        combatErrorSignal = 200
+    elseif message == "能量不足" or message == "符文能量不足" or message == "没有足够的符文" then
+        combatErrorSignal = 220
+    else
+        return
+    end
+
+    errorTimer = GetTime()
+end
+
+local errorFrame = CreateFrame("Frame")
+errorFrame:RegisterEvent("UI_ERROR_MESSAGE")
+errorFrame:SetScript("OnEvent", function(_, _, _, message)
+    UpdateCombatErrorSignal(message)
+end)
+
 f:SetScript("OnUpdate", function()
+    if combatErrorSignal ~= 255 and (GetTime() - errorTimer > 1.5) then
+        combatErrorSignal = 255
+    end
     -- [1] 锚点：永远纯白 (255, 255, 255)
     pixels[1]:SetColorTexture(1, 1, 1)
 
@@ -200,7 +234,7 @@ f:SetScript("OnUpdate", function()
 
     -- [10] R=跟随信号（0 / 0.5 需补跟随 / 1.0 跟随中）
     local followSig = GetFollowSignal()
-    pixels[10]:SetColorTexture(followSig, 0, 0, 1)
+    pixels[10]:SetColorTexture(followSig, combatErrorSignal / 255, 0, 1)
 end)
 
 -- 可拖动