First working version

Core.lua

@@ -0,0 +1,97 @@
+-- AltSystem Core
+-- Addon initialization, slash command registration, and TRP3 integration.
+
+AltSystem = AltSystem or {}
+AltSystem.State = {
+    selectedSkillIndex   = 1,
+    selectedItemIndex    = 1,  -- 1 = No item
+    selectedDefenseIndex = 1,  -- 1 = Base armor
+    shieldEnabled        = false,
+}
+
+-- Initialization on ADDON_LOADED
+local frame = CreateFrame("Frame")
+frame:RegisterEvent("ADDON_LOADED")
+frame:RegisterEvent("PLAYER_LOGIN")
+
+frame:SetScript("OnEvent", function(self, event, arg1)
+    if event == "ADDON_LOADED" and arg1 == "AltSystem" then
+        AltSystem:Init()
+    elseif event == "PLAYER_LOGIN" then
+        AltSystem:RegisterTRP3Button()
+        AltSystem:RegisterMinimapButton()
+    end
+end)
+
+function AltSystem:Init()
+    -- Register slash command /altsystem
+    SLASH_ALTSYSTEM1 = "/altsystem"
+    SlashCmdList["ALTSYSTEM"] = function()
+        AltSystem:ToggleWindow()
+    end
+
+    print("|cff00ccffAltSystem|r loaded. Type /altsystem to open.")
+end
+
+function AltSystem:ToggleWindow()
+    if AltSystem.MainFrame then
+        if AltSystem.MainFrame:IsShown() then
+            AltSystem.MainFrame:Hide()
+        else
+            AltSystem.MainFrame:Show()
+        end
+    end
+end
+
+-- TRP3 toolbar button registration
+function AltSystem:RegisterTRP3Button()
+    if TRP3_API and TRP3_API.toolbar then
+        local toolbarButton = {
+            id = "altsystem_toolbar_btn",
+            icon = "Interface\\Icons\\INV_Misc_Dice_02",
+            tooltip = "AltSystem",
+            tooltipSub = "Open the AltSystem rolling window",
+            onClick = function()
+                AltSystem:ToggleWindow()
+            end,
+        }
+        TRP3_API.toolbar.toolbarAddButton(toolbarButton)
+    end
+end
+
+-- Minimap button using LibDBIcon (lightweight fallback if not available)
+function AltSystem:RegisterMinimapButton()
+    -- Simple minimap button without external libraries
+    local minimapButton = CreateFrame("Button", "AltSystemMinimapButton", Minimap)
+    minimapButton:SetSize(32, 32)
+    minimapButton:SetFrameStrata("MEDIUM")
+    minimapButton:SetFrameLevel(8)
+    minimapButton:SetPoint("TOPLEFT", Minimap, "TOPLEFT", 2, -2)
+
+    local icon = minimapButton:CreateTexture(nil, "ARTWORK")
+    icon:SetTexture("Interface\\Icons\\INV_Misc_Dice_02")
+    icon:SetSize(20, 20)
+    icon:SetPoint("CENTER")
+
+    local border = minimapButton:CreateTexture(nil, "OVERLAY")
+    border:SetTexture("Interface\\Minimap\\MiniMap-TrackingBorder")
+    border:SetSize(54, 54)
+    border:SetPoint("TOPLEFT", -2, 2)
+
+    minimapButton:SetHighlightTexture("Interface\\Minimap\\UI-Minimap-ZoomButton-Highlight")
+
+    minimapButton:SetScript("OnClick", function()
+        AltSystem:ToggleWindow()
+    end)
+
+    minimapButton:SetScript("OnEnter", function(self)
+        GameTooltip:SetOwner(self, "ANCHOR_LEFT")
+        GameTooltip:AddLine("AltSystem")
+        GameTooltip:AddLine("Click to toggle the rolling window", 1, 1, 1)
+        GameTooltip:Show()
+    end)
+
+    minimapButton:SetScript("OnLeave", function()
+        GameTooltip:Hide()
+    end)
+end