mirror of
https://github.com/drewcassidy/KSP-Conformal-Decals.git
synced 2024-09-01 18:23:54 +00:00
First working text rendering
This commit is contained in:
@ -1,16 +1,54 @@
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using System;
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using TMPro;
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using UnityEngine;
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using System.Text.RegularExpressions;
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namespace ConformalDecals.Text {
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public struct DecalText {
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public string text;
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public DecalFont font;
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public FontStyles style;
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public bool vertical;
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public class DecalText : IEquatable<DecalText> {
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public string Text { get; }
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public Color color;
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public Color outlineColor;
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public float outlineWidth;
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public DecalFont Font { get; }
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public DecalTextStyle Style { get; }
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public string FormattedText {
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get {
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if (Style.Vertical) {
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return Regex.Replace(Text, @"(.)", "$1\n");
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}
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else {
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return Text;
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}
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}
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}
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public DecalText(string text, DecalFont font, DecalTextStyle style) {
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Text = text;
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Font = font;
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Style = style;
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}
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public bool Equals(DecalText other) {
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return other != null && (Text == other.Text && Equals(Font, other.Font) && Style.Equals(other.Style));
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}
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public override bool Equals(object obj) {
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return obj is DecalText other && Equals(other);
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}
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public override int GetHashCode() {
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unchecked {
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var hashCode = (Text != null ? Text.GetHashCode() : 0);
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hashCode = (hashCode * 397) ^ (Font != null ? Font.GetHashCode() : 0);
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hashCode = (hashCode * 397) ^ Style.GetHashCode();
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return hashCode;
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}
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}
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public static bool operator ==(DecalText left, DecalText right) {
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return left != null && left.Equals(right);
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}
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public static bool operator !=(DecalText left, DecalText right) {
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return left != null && !left.Equals(right);
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}
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}
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}
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75
Source/ConformalDecals/Text/DecalTextStyle.cs
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75
Source/ConformalDecals/Text/DecalTextStyle.cs
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@ -0,0 +1,75 @@
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using System;
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using TMPro;
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using UnityEngine;
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namespace ConformalDecals.Text {
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public struct DecalTextStyle : IEquatable<DecalTextStyle> {
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public FontStyles FontStyle { get; set; }
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public bool Bold {
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get => (FontStyle & FontStyles.Bold) != 0;
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set {
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if (value) FontStyle |= FontStyles.Bold;
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else FontStyle &= ~FontStyles.Bold;
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}
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}
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public bool Italic {
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get => (FontStyle & FontStyles.Italic) != 0;
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set {
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if (value) FontStyle |= FontStyles.Italic;
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else FontStyle &= ~FontStyles.Italic;
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}
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}
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public bool Underline {
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get => (FontStyle & FontStyles.Underline) != 0;
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set {
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if (value) FontStyle |= FontStyles.Underline;
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else FontStyle &= ~FontStyles.Underline;
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}
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}
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public bool SmallCaps {
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get => (FontStyle & FontStyles.SmallCaps) != 0;
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set {
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if (value) FontStyle |= FontStyles.SmallCaps;
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else FontStyle &= ~FontStyles.SmallCaps;
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}
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}
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public bool Vertical { get; set; }
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public float LineSpacing { get; set; }
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public float CharacterSpacing { get; set; }
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public bool Equals(DecalTextStyle other) {
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return FontStyle == other.FontStyle && Vertical == other.Vertical &&
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Mathf.Approximately(LineSpacing, other.LineSpacing) &&
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Mathf.Approximately(CharacterSpacing, other.CharacterSpacing);
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}
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public override bool Equals(object obj) {
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return obj is DecalTextStyle other && Equals(other);
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}
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public override int GetHashCode() {
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unchecked {
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var hashCode = (int) FontStyle;
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hashCode = (hashCode * 397) ^ Vertical.GetHashCode();
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hashCode = (hashCode * 397) ^ LineSpacing.GetHashCode();
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hashCode = (hashCode * 397) ^ CharacterSpacing.GetHashCode();
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return hashCode;
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}
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}
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public static bool operator ==(DecalTextStyle left, DecalTextStyle right) {
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return left.Equals(right);
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}
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public static bool operator !=(DecalTextStyle left, DecalTextStyle right) {
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return !left.Equals(right);
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}
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}
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}
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11
Source/ConformalDecals/Text/RenderedText.cs
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11
Source/ConformalDecals/Text/RenderedText.cs
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@ -0,0 +1,11 @@
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using UnityEngine;
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namespace ConformalDecals.Text {
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public class RenderedText : ScriptableObject {
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public Texture2D Texture { get; private set; }
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public Rect Window { get; private set; }
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public int UserCount { get; private set; }
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}
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}
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@ -1,11 +1,12 @@
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using TMPro;
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using UnityEngine;
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using UnityEngine.Rendering;
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namespace ConformalDecals.Text {
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[KSPAddon(KSPAddon.Startup.FlightAndEditor, true)]
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[KSPAddon(KSPAddon.Startup.Instantly, true)]
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public class TextRenderer : MonoBehaviour {
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public static TextRenderer Instance {
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get {
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@ -17,22 +18,25 @@ namespace ConformalDecals.Text {
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}
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}
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public const TextureFormat TextTextureFormat = TextureFormat.Alpha8;
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public const TextureFormat TextTextureFormat = TextureFormat.RG16;
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public const RenderTextureFormat TextRenderTextureFormat = RenderTextureFormat.R8;
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private const string BlitShader = "ConformalDecals/TMP_Blit";
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private const string BlitShader = "ConformalDecals/Text Blit";
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private const int MaxTextureSize = 4096;
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private const float FontSize = 100;
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private const float PixelDensity = 5;
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private static TextRenderer _instance;
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private bool _isSetup;
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private TextMeshPro _tmp;
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private GameObject _cameraObject;
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private Camera _camera;
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private Material _blitMaterial;
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private Dictionary<DecalText, RenderedText> _renderedTextures = new Dictionary<DecalText, RenderedText>();
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private Texture2D _lastTexture; // to reduce the number of Texture2D objects created and destroyed, keep the last one on hand
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private void Start() {
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if (_instance._isSetup) {
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if (_instance != null) {
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Debug.Log("[ConformalDecals] Duplicate TextRenderer created???");
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}
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@ -41,28 +45,102 @@ namespace ConformalDecals.Text {
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DontDestroyOnLoad(gameObject);
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}
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public void Setup() {
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private void Setup() {
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if (_isSetup) return;
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Debug.Log("[ConformalDecals] Setting Up TextRenderer Object");
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_tmp = gameObject.AddComponent<TextMeshPro>();
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_tmp.renderer.enabled = false; // dont automatically render
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_cameraObject = new GameObject("ConformalDecals text camera");
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_cameraObject.transform.parent = transform;
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_cameraObject.transform.SetPositionAndRotation(Vector3.back, Quaternion.identity);
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_camera = _cameraObject.AddComponent<Camera>();
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_camera.enabled = false; // dont automatically render
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_camera.orthographic = true;
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_camera.depthTextureMode = DepthTextureMode.None;
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_camera.nearClipPlane = 0.1f;
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_camera.farClipPlane = 2f;
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_isSetup = true;
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var shader = Shabby.Shabby.FindShader(BlitShader);
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if (shader == null) Debug.LogError($"[ConformalDecals] could not find text blit shader named '{shader}'");
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_blitMaterial = new Material(Shabby.Shabby.FindShader(BlitShader));
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_isSetup = true;
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}
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public void RenderText(DecalText text, out Texture2D texture, out Rect window) {
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// Setup TMP object for rendering
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_tmp.text = text.FormattedText;
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_tmp.font = text.Font.fontAsset;
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_tmp.fontStyle = text.Style.FontStyle | text.Font.fontStyle;
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_tmp.lineSpacing = text.Style.LineSpacing;
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_tmp.characterSpacing = text.Style.CharacterSpacing;
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_tmp.enableKerning = true;
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_tmp.enableWordWrapping = false;
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_tmp.overflowMode = TextOverflowModes.Overflow;
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_tmp.alignment = TextAlignmentOptions.Center | TextAlignmentOptions.Baseline;
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_tmp.fontSize = FontSize;
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// Setup blit material
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_blitMaterial.SetTexture(PropertyIDs._MainTex, text.Font.fontAsset.atlas);
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// Generate Mesh
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_tmp.ForceMeshUpdate();
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var mesh = _tmp.mesh;
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mesh.RecalculateBounds();
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var bounds = mesh.bounds;
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// Calculate Sizes
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var size = bounds.size * PixelDensity;
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var textureSize = new Vector2Int {
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x = Mathf.NextPowerOfTwo((int) size.x),
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y = Mathf.NextPowerOfTwo((int) size.y)
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};
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if (textureSize.x > MaxTextureSize) {
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textureSize.x /= textureSize.x / MaxTextureSize;
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textureSize.y /= textureSize.x / MaxTextureSize;
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}
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if (textureSize.y > MaxTextureSize) {
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textureSize.x /= textureSize.y / MaxTextureSize;
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textureSize.y /= textureSize.y / MaxTextureSize;
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}
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float sizeRatio = Mathf.Min(textureSize.x / size.x, textureSize.y, size.y);
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window = new Rect {
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size = size * sizeRatio,
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center = (Vector2) textureSize / 2
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};
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// Get Texture
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if (_lastTexture != null) {
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texture = _lastTexture;
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texture.Resize(textureSize.x, textureSize.y, TextTextureFormat, false);
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_lastTexture = null;
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}
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else {
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texture = new Texture2D(textureSize.x, textureSize.y, TextTextureFormat, false);
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}
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// Generate Projection Matrix
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var halfSize = window.size / PixelDensity / 2;
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var matrix = Matrix4x4.Ortho(bounds.center.x - halfSize.x, bounds.center.x + halfSize.x,
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bounds.center.y - halfSize.y, bounds.center.y + halfSize.y, -1, 1);
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// Get Rendertex
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var renderTex = RenderTexture.GetTemporary(textureSize.x, textureSize.y, 0, TextRenderTextureFormat, RenderTextureReadWrite.Linear, 1);
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renderTex.autoGenerateMips = false;
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// Render
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Graphics.SetRenderTarget(renderTex);
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GL.PushMatrix();
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GL.LoadProjectionMatrix(matrix);
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_blitMaterial.SetPass(0);
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Graphics.DrawMeshNow(mesh, Matrix4x4.identity);
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GL.PopMatrix();
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// Copy texture back into RAM
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RenderTexture.active = renderTex;
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texture.ReadPixels(new Rect(0, 0, textureSize.x, textureSize.y), 0, 0, false);
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texture.Apply();
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RenderTexture.ReleaseTemporary(renderTex);
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}
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}
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}
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