dui.lua

client/dui.lua

@@ -0,0 +1,73 @@
+local duiCounter = 0
+local availableDuis = {}
+local duis = {}
+
+local function GetDui(url, width, height)
+    width = width or 512
+    height = height or 512
+
+    local duiSize = tostring(width) .. "x" .. tostring(height)
+
+    if (availableDuis[duiSize] and #availableDuis[duiSize] > 0) then
+        local n, t = pairs(availableDuis[duiSize])
+        local nextKey, nextValue = n(t)
+        local id = nextValue
+        local dictionary = duis[id].textureDictName
+        local texture = duis[id].textureName
+
+        nextValue = nil
+        table.remove(availableDuis[duiSize], nextKey)
+        SetDuiUrl(duis[id].duiObject, url)
+        return {id = id, dictionary = dictionary, texture = texture}
+    end
+
+    duiCounter = duiCounter + 1
+    local generatedDictName = duiSize .. "-dict-" .. tostring(duiCounter)
+    local generatedTxtName = duiSize .. "-txt-" .. tostring(duiCounter)
+    local duiObject = CreateDui(url, width, height)
+    local dictObject = CreateRuntimeTxd(generatedDictName)
+    local duiHandle = GetDuiHandle(duiObject)
+    local txdObject = CreateRuntimeTextureFromDuiHandle(dictObject, generatedTxtName, duiHandle)
+
+    duis[duiCounter] = {
+        duiSize = duiSize,
+        duiObject = duiObject,
+        duiHandle = duiHandle,
+        dictionaryObject = dictObject,
+        textureObject = txdObject,
+        textureDictName = generatedDictName,
+        textureName = generatedTxtName
+    }
+
+    return {id = duiCounter, dictionary = generatedDictName, texture = generatedTxtName}
+end
+
+exports("GetDui", GetDui)
+
+local function ChangeDuiUrl(id, url)
+    if (not duis[id]) then
+        return
+    end
+
+    local settings = duis[id]
+    SetDuiUrl(settings.duiObject, url)
+end
+
+exports("ChangeDuiUrl", ChangeDuiUrl)
+
+local function ReleaseDui(id)
+    if (not duis[id]) then
+        return
+    end
+
+    local settings = duis[id]
+    local duiSize = settings.duiSize
+
+    SetDuiUrl(settings.duiObject, "about:blank")
+    if not availableDuis[duiSize] then
+        availableDuis[duiSize] = {}
+    end
+    availableDuis[duiSize][#availableDuis[duiSize] + 1] = id
+end
+
+exports("ReleaseDui", ReleaseDui)