hip.api.data.asset source code

1 module hip.api.data.asset;
2 import hip.api.data.commons;
3 
4 abstract class HipAsset
5 {
6     /** Use it to insert into an asset pool, alias*/
7     protected string _name;
8     /**Currently not in use */
9     protected uint _assetID;
10     /** Usage inside asset manager */
11     protected uint _typeID;
12 
13     ///How much time it took to load, in millis
14     float loadTime = 0;
15 
16     this(string assetName)
17     {
18         this.name = assetName;
19         _assetID = ++currentAssetID;
20     }
21 
22     string name() const{return _name;}
23     string name(string newName) {return _name = newName;}
24     uint assetID() const {return _assetID;}
25     uint typeID() const { return _typeID;}
26 
27     /**
28     * Action for when the asset finishes loading
29     * Proabably be executed on the main thread
30     */
31     abstract void onFinishLoading();
32     abstract bool isReady() const;
33     ///Use it to clear the engine.
34     abstract void onDispose();
35 
36 
37     void startLoading()
38     {
39         import hip.util.time;
40         loadTime = HipTime.getCurrentTimeAsMs();
41     }
42 
43     void finishLoading()
44     {
45         import hip.util.time;
46         if(isReady())
47         {
48             onFinishLoading();
49             loadTime = HipTime.getCurrentTimeAsMs() - loadTime;
50         }
51     }
52 
53     /**
54     *   Currently, no AssetID recycle is in mind. It will only invalidate
55     *   the asset for disposing it on an appropriate time
56     */
57     final void dispose()
58     {
59         _assetID = 0;
60         onDispose();
61     }
62 
63 }
64 
65 
66 class HipFileAsset : HipAsset
67 {
68     string path;
69     ubyte[] data;
70     this(in string path)
71     {
72         super("File_"~path);
73         this.path = path;
74         _typeID = assetTypeID!HipFileAsset;
75     }
76     void load(in ubyte[] data){this.data = cast(ubyte[])data;}
77     string getText(){return cast(string)data;}
78     override void onFinishLoading(){}
79     override void onDispose(){}
80     override bool isReady() const {return data.length != 0;}
81 }
82 
83 /**
84 * Controls the asset ids for every game asset
85 *   0 is reserved for errors.
86 */
87 private __gshared uint currentAssetID = 0;
88 
89 private __gshared int assetIds = 0;
90 int assetTypeID(T : HipAsset)()
91 {
92     __gshared int id = -1;
93     if(id == -1){id = ++assetIds;}
94     return id;
95 }
96