第一次发版v0.1.0

Scanner.lua

@@ -0,0 +1,63 @@
+NanamiPlates_Scanner = {}
+
+local initializedChildren = 0
+local cachedWorldChildren = {}
+
+local function CheckRegionForBorder(r)
+    if r and r.GetObjectType and r:GetObjectType() == "Texture" and r.GetTexture then
+        return r:GetTexture() == "Interface\\Tooltips\\Nameplate-Border"
+    end
+    return false
+end
+
+function NanamiPlates_Scanner.IsNamePlate(frame)
+    if not frame then return nil end
+    local objType = frame:GetObjectType()
+    if objType ~= "Frame" and objType ~= "Button" then return nil end
+
+    local r1, r2, r3, r4, r5, r6 = frame:GetRegions()
+    if CheckRegionForBorder(r1) then return true end
+    if CheckRegionForBorder(r2) then return true end
+    if CheckRegionForBorder(r3) then return true end
+    if CheckRegionForBorder(r4) then return true end
+    if CheckRegionForBorder(r5) then return true end
+    if CheckRegionForBorder(r6) then return true end
+
+    return nil
+end
+
+function NanamiPlates_Scanner.ScanForNewNameplates(registry, callback)
+    local parentcount = WorldFrame:GetNumChildren()
+    if initializedChildren >= parentcount then
+        return false
+    end
+
+    cachedWorldChildren = { WorldFrame:GetChildren() }
+    local foundNew = false
+
+    for i = initializedChildren + 1, parentcount do
+        local plate = cachedWorldChildren[i]
+        if plate and not registry[plate] then
+            if NanamiPlates_Scanner.IsNamePlate(plate) then
+                callback(plate)
+                foundNew = true
+            end
+        end
+    end
+
+    initializedChildren = parentcount
+    return foundNew
+end
+
+function NanamiPlates_Scanner.Reset()
+    initializedChildren = 0
+    for k in pairs(cachedWorldChildren) do
+        cachedWorldChildren[k] = nil
+    end
+end
+
+function NanamiPlates_Scanner.GetInitializedCount()
+    return initializedChildren
+end
+
+NanamiPlates.Scanner = NanamiPlates_Scanner