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Assets/trCRM/upgradeRes4Dev/priority/lua/db/DBTextures.lua

@@ -0,0 +1,53 @@
+DBTextures = {}
+local db = {}
+
+function DBTextures.init()
+    InvokeEx.cancelInvoke(DBTextures.releaseTimeout)
+    InvokeEx.invoke(DBTextures.releaseTimeout, 60)
+end
+
+function DBTextures.clean()
+    InvokeEx.cancelInvoke(DBTextures.releaseTimeout)
+    for k, v in ipairs(db) do
+        GameObject.DestroyImmediate(v)
+    end
+    db = {}
+end
+
+function DBTextures.releaseTimeout()
+    for k, v in ipairs(db) do
+        if DateEx.nowMS - v.lastUseTime > 300000 then
+            GameObject.DestroyImmediate(v.texture)
+            db[k] = nil
+        end
+    end
+end
+
+---@return UnityEngine.UnityWebRequest
+function DBTextures.getByUrl(url, callback, orgs)
+    local tt = db[url]
+    if tt then
+        tt.lastUseTime = DateEx.nowMS
+        db[url] = tt
+        Utl.doCallback(callback, tt.texture, orgs)
+        return nil
+    end
+
+    local request =
+        WWWEx.get(
+        url,
+        nil,
+        CLAssetType.texture,
+        function(content)
+            db[url] = {texture = content, lastUseTime = DateEx.nowMS}
+            Utl.doCallback(callback, content, orgs)
+        end,
+        nil,
+        orgs,
+        true,
+        1
+    )
+    return request
+end
+
+return DBTextures