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74 lines
2.8 KiB
C#
74 lines
2.8 KiB
C#
using System;
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using System.Text.RegularExpressions;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using MLEM.Animations;
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using MLEM.Extensions;
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using MLEM.Font;
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using MLEM.Misc;
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using MLEM.Textures;
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namespace MLEM.Formatting.Codes {
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/// <inheritdoc />
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public class ImageCode : Code {
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private readonly SpriteAnimation image;
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private string replacement;
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private float gapSize;
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/// <inheritdoc />
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public ImageCode(Match match, Regex regex, SpriteAnimation image) : base(match, regex) {
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this.image = image;
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}
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/// <inheritdoc />
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public override bool EndsHere(Code other) {
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return true;
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}
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/// <inheritdoc />
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public override string GetReplacementString(GenericFont font) {
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if (this.replacement == null) {
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// use non-breaking space so that the image won't be line-splitted
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var strg = font.GetWidthString(font.LineHeight, font.HasCharacter('\u00A0') ? '\u00A0' : ' ');
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this.replacement = strg.Remove(strg.Length - 1) + ' ';
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this.gapSize = font.MeasureString(this.replacement).X;
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}
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return this.replacement;
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}
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/// <inheritdoc />
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public override void Update(GameTime time) {
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this.image.Update(time);
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}
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/// <inheritdoc />
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public override void DrawSelf(GameTime time, SpriteBatch batch, Vector2 pos, GenericFont font, Color color, float scale, float depth) {
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var position = pos + new Vector2(this.gapSize - font.LineHeight, 0) / 2 * scale;
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batch.Draw(this.image.CurrentRegion, new RectangleF(position, new Vector2(font.LineHeight * scale)), Color.White.CopyAlpha(color));
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}
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}
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/// <summary>
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/// A set of extensions that allow easily adding image formatting codes to a text formatter.
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/// </summary>
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public static class ImageCodeExtensions {
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/// <summary>
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/// Adds a new image formatting code to the given text formatter
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/// </summary>
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/// <param name="formatter">The formatter to add the code to</param>
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/// <param name="name">The name of the formatting code. The regex for this code will be between angle brackets.</param>
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/// <param name="image">The image to render at the code's position</param>
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public static void AddImage(this TextFormatter formatter, string name, TextureRegion image) {
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formatter.AddImage(name, new SpriteAnimation(1, image));
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}
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/// <inheritdoc cref="AddImage(MLEM.Formatting.TextFormatter,string,MLEM.Textures.TextureRegion)"/>
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public static void AddImage(this TextFormatter formatter, string name, SpriteAnimation image) {
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formatter.Codes.Add(new Regex($"<i {name}>"), (f, m, r) => new ImageCode(m, r, image));
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}
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}
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} |