Vampify 0.3.0
A TurtleWoW 1.12.1 addon that shows the healing returned by the Vampirism item stat. The game emits no event for that healing, so the addon computes it from the player's own outgoing damage using a formula measured in-game, and shows it live on a movable bar with a per-ability breakdown, an overheal split, automatic source detection from equipped gear, and optional scrolling combat text.
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-- Vampify -- minimap button, ported from DopingControl's features/minimap.lua as closely as
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-- possible: that file's shape is in-game verified on 1.12, and its comments below carry facts that
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-- must not be changed on the way over.
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--
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-- Design facts (in-game verified on 1.12, DopingControl):
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-- - Hand-rolled, no LibDBIcon on 1.12.
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-- - pfUI-safe: parent = Minimap, frame NAME contains "Minimap", SetFrameStrata("HIGH") +
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-- SetFrameLevel(9) -- MEDIUM hides under pfUI (the exact failure this addon's own display frame
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-- hit at strata MEDIUM, see gui/display.lua).
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-- - Border recipe (vanilla FrameXML MiniMapTrackingButton): 54px MiniMap-TrackingBorder anchored
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-- TOPLEFT(0,0) on a 33px button. The ring is deliberately off-centre within the texture -- do NOT
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-- centre it.
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-- - Drag + click coexist: drag flag on OnDragStart/Stop, plain clicks still fire OnClick.
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-- - Radius = Minimap:GetWidth()/2 + 5 (follows resized minimaps).
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-- - Highlight texture is "UI-Minimap-ZoomButton-Highlight" WITH the hyphen before "Highlight" --
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-- confirmed against FrameXML-1.12.1/FrameXML/Minimap.xml. The un-hyphenated spelling does not
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-- exist as a file and would render nothing.
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--
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-- Left click toggles the display frame (same code path as the "Show display" checkbox in
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-- gui/options.lua -- one definition of "is it on", the frame's own IsShown()); right click opens
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-- the options window.
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--
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-- Pure-Lua 5.0 dofile-loadable: all WoW wiring behind "if CreateFrame then"; BuildButton/PlaceButton
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-- only touch the WoW API when called at runtime.
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VampifyMinimap = {}
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local M = VampifyMinimap
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local button = nil
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-- NOTE, measured in-game 2026-08-10 on this client: pfUI COLLECTS addon minimap buttons into its
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-- own `pfMinimapButtons` panel -- it reparents the button and owns its anchor from then on. So on a
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-- pfUI setup the angle below (and dragging around the ring) has no effect, and that is fine: the
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-- collected panel is where a pfUI user expects to find addon buttons. The code stays because it is
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-- what places the button correctly WITHOUT pfUI. Do not "fix" the placement by fighting pfUI for
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-- the anchor.
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--
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-- Corollary for anyone debugging position here: never compare GetLeft/GetCenter across frames
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-- without converting through GetEffectiveScale first. Once pfUI adopts the button, its effective
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-- scale (0.47) differs from the Minimap's (0.71), and raw coordinates look wildly wrong while the
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-- button sits exactly where it should.
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local function PlaceButton(angleDeg)
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if not button then return end
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local radius = (Minimap:GetWidth() / 2) + 5
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local rad = (angleDeg or 0) * math.pi / 180
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button:ClearAllPoints()
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button:SetPoint("CENTER", Minimap, "CENTER", math.cos(rad) * radius, math.sin(rad) * radius)
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end
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-- ---- WoW wiring ------------------------------------------------------------------------------
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if CreateFrame then
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-- The frame's own IsShown() answers "is it on screen right now", which is what a toggle has to
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-- flip -- but it is NOT where the answer is kept. core/commands.lua re-decides visibility on
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-- every loading screen and every gear scan, so a hide that lived only in the frame lasted until
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-- the next portal. The click therefore records the intent in VampifyDB.shown (the "Show
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-- display" checkbox in gui/options.lua reads that same field, so the two cannot drift) and acts
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-- on the frame afterwards.
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function M.toggleDisplay()
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local f = getglobal("VampifyDisplayFrame")
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local on = not (f and f:IsShown())
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local cfg = VampifyConfig.get()
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if cfg then cfg.shown = on end
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if on then VampifyDisplay.show() else VampifyDisplay.hide() end
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end
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local function BuildButton()
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if button then return end
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local btn = CreateFrame("Button", "VampifyMinimapButton", Minimap)
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btn:SetWidth(33); btn:SetHeight(33)
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btn:SetFrameStrata("HIGH"); btn:SetFrameLevel(9)
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local icon = btn:CreateTexture("VampifyMinimapIcon", "ARTWORK")
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icon:SetTexture("Interface\\Icons\\Spell_Shadow_LifeDrain02")
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icon:SetWidth(20); icon:SetHeight(20)
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icon:SetPoint("CENTER", btn, "CENTER", 0, 0)
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icon:SetTexCoord(0.08, 0.92, 0.08, 0.92) -- standard action-button crop
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local border = btn:CreateTexture("VampifyMinimapBorder", "OVERLAY")
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border:SetTexture("Interface\\Minimap\\MiniMap-TrackingBorder")
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border:SetWidth(54); border:SetHeight(54)
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border:SetPoint("TOPLEFT", btn, "TOPLEFT", 0, 0)
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btn:SetHighlightTexture("Interface\\Minimap\\UI-Minimap-ZoomButton-Highlight")
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btn:RegisterForClicks("LeftButtonUp", "RightButtonUp")
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btn:RegisterForDrag("LeftButton")
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btn:SetScript("OnDragStart", function() this.isDragging = true end)
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btn:SetScript("OnDragStop", function() this.isDragging = false end)
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btn:SetScript("OnUpdate", function()
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if not this.isDragging then return end
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local mx, my = Minimap:GetCenter()
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local cx, cy = GetCursorPosition()
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local scale = Minimap:GetEffectiveScale()
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cx, cy = cx / scale, cy / scale
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-- atan2, computed by hand rather than trusting math.deg to be present: the
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-- VampifyDB.mmAngle contract downstream (PlaceButton) is degrees, so this returns
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-- degrees too.
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local angle = math.atan2(cy - my, cx - mx) * 180 / math.pi
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local cfg = VampifyConfig.get()
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if cfg then cfg.mmAngle = angle end -- persist live while dragging
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PlaceButton(angle)
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end)
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-- LEFT = display toggle, RIGHT = options.
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btn:SetScript("OnClick", function()
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if arg1 == "RightButton" then
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VampifyOptions.toggle()
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else
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M.toggleDisplay()
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end
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end)
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btn:SetScript("OnEnter", function()
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GameTooltip:SetOwner(this, "ANCHOR_LEFT")
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GameTooltip:SetText("Vampify", 1, 1, 1)
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local fight = VampifyAggregate.fight(VampifyState)
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GameTooltip:AddLine(string.format("%d healed this fight, %.1f%%",
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math.floor(fight.heal or 0), (fight.pct or 0) * 100), 0.9, 0.9, 0.9)
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GameTooltip:AddLine("Left click: show / hide the display", 0.8, 0.8, 0.8)
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GameTooltip:AddLine("Right click: options", 0.8, 0.8, 0.8)
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GameTooltip:AddLine("Drag: move around the minimap", 0.8, 0.8, 0.8)
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GameTooltip:Show()
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end)
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btn:SetScript("OnLeave", function() GameTooltip:Hide() end)
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button = btn
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local cfg = VampifyConfig.get()
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PlaceButton((cfg and cfg.mmAngle) or VampifyConfig.DEFAULTS.mmAngle)
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end
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-- Honours the "Minimap button" checkbox (VampifyDB.minimap); gui/options.lua calls this after
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-- toggling the setting.
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function M.update()
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local cfg = VampifyConfig.get()
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if not cfg then return end
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if not cfg.minimap then
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if button then button:Hide() end
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return
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end
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BuildButton()
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PlaceButton(cfg.mmAngle)
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button:Show()
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end
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end
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