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@ -61,29 +61,30 @@ namespace ConformalDecals.Text {
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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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// 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.extraPadding = true;
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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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// 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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// 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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// CALCULATE SIZES
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var size = bounds.size * PixelDensity;
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var textureSize = new Vector2Int {
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@ -91,24 +92,28 @@ namespace ConformalDecals.Text {
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y = Mathf.NextPowerOfTwo((int) size.y)
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};
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// make sure texture isnt too big, scale it down if it is
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// this is just so you dont crash the game by pasting in the entire script of The Bee Movie
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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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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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textureSize.y = MaxTextureSize;
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}
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// scale up everything to fit the texture for maximum usage
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float sizeRatio = Mathf.Min(textureSize.x / size.x, textureSize.y, size.y);
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// calculate where in the texture the used area actually is
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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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// 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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@ -118,16 +123,16 @@ namespace ConformalDecals.Text {
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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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// GENERATE PROJECTION MATRIX
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var halfSize = (Vector2) textureSize / PixelDensity / 2 / sizeRatio;
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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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// 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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// 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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@ -135,11 +140,12 @@ namespace ConformalDecals.Text {
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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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// 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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// RELEASE RENDERTEX
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RenderTexture.ReleaseTemporary(renderTex);
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}
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}
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