forked from mirrors/0ad
Imarok
fa218b66bb
Tested by: Langbart Differential Revision: https://code.wildfiregames.com/D4152 This was SVN commit r25768.
63 lines
1.7 KiB
JavaScript
63 lines
1.7 KiB
JavaScript
/**
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* This class is concerned with chosing and displaying hints about how to play the game.
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* This includes a text and an image.
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*/
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class TipDisplay
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{
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constructor()
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{
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this.tipImage = Engine.GetGUIObjectByName("tipImage");
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this.tipTitle = Engine.GetGUIObjectByName("tipTitle");
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this.tipText = Engine.GetGUIObjectByName("tipText");
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this.tipFiles = listFiles(this.TextPath, ".txt", false);
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this.displayRandomTip();
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}
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displayRandomTip()
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{
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let tipFile = pickRandom(this.tipFiles);
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if (tipFile)
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this.displayTip(tipFile);
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else
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error("Failed to find any matching tips for the loading screen.");
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}
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displayTip(tipFile)
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{
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this.tipImage.sprite =
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"stretched:" + this.ImagePath + tipFile + ".png";
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let tipText = Engine.TranslateLines(Engine.ReadFile(
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this.TextPath + tipFile + ".txt")).split("\n");
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this.tipTitle.caption = tipText.shift();
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// Change the height of the title and the text to fit the full title.
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const margin = 10;
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const titleSize = this.tipTitle.size;
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titleSize.bottom = titleSize.top + this.tipTitle.getTextSize().height + margin;
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this.tipTitle.size = titleSize;
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const textSize = this.tipText.size;
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textSize.top = titleSize.bottom;
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this.tipText.size = textSize;
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this.tipText.caption = tipText.map(text =>
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text && sprintf(this.BulletFormat, { "tiptext": text })).join("\n\n");
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}
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}
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/**
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* Directory storing txt files containing the gameplay tips.
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*/
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TipDisplay.prototype.TextPath = "gui/text/tips/";
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/**
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* Directory storing the PNG images with filenames corresponding to the tip text files.
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*/
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TipDisplay.prototype.ImagePath = "loading/tips/";
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// Translation: A bullet point used before every item of list of tips displayed on loading screen
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TipDisplay.prototype.BulletFormat = translate("• %(tiptext)s");
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