72 lines
2.4 KiB
C#
72 lines
2.4 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using Cyber.Console;
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namespace Cyber.Util {
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/// <summary>
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/// Renders textures that have text written on them.
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/// </summary>
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public class TextTextureRenderer : MonoBehaviour {
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private static TextTextureRenderer Singleton;
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private static Dictionary<string, Texture2D> Cache =
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new Dictionary<string, Texture2D>();
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/// <summary>
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/// The camera the text is rendered with.
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/// </summary>
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public Camera Camera;
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/// <summary>
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/// The text that is rendered on screen.
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/// </summary>
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public TextMesh Text;
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/// <summary>
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/// Sets the singleton.
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/// </summary>
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public TextTextureRenderer() {
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Singleton = this;
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}
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private Texture2D RenderText(TextTextureProperties text) {
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Text.text = text.Text.Replace("\\n", "\n");
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Text.fontSize = text.FontSize;
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Text.characterSize = 0.5f * text.FontSize / text.Width;
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RenderTexture TextTexture = RenderTexture.GetTemporary(text.Width, text.Height);
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RenderTexture OldRT = Camera.targetTexture;
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Camera.targetTexture = TextTexture;
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Camera.backgroundColor = text.Background;
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Camera.Render();
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Camera.targetTexture = OldRT;
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OldRT = RenderTexture.active;
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Texture2D Result = new Texture2D(text.Width, text.Height);
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RenderTexture.active = TextTexture;
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Result.ReadPixels(new Rect(0, 0, Result.width, Result.height), 0, 0);
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Result.Apply();
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RenderTexture.active = OldRT;
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RenderTexture.ReleaseTemporary(TextTexture);
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return Result;
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}
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/// <summary>
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/// Renders a texture and caches it so it can be used as a texture
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/// for a material (like a computer screen for example).
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/// </summary>
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/// <returns>The text.</returns>
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/// <param name="text">Text.</param>
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/// <param name="forceRender">Whether the texture should be rendered
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/// again even if it's cached.</param>
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public static Texture2D GetText(TextTextureProperties text, bool forceRender = false) {
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if (forceRender || !Cache.ContainsKey(text.Text)) {
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Cache[text.Text] = Singleton.RenderText(text);
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}
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return Cache[text.Text];
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}
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}
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}
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