remove old text rendering code

1 files changed, 0 insertions, 199 deletions

diff --git a/web/pw-visualizer/src/webgl/text.ts b/web/pw-visualizer/src/webgl/text.ts
deleted file mode 100644
index 1ae6f37..0000000
--- a/web/pw-visualizer/src/webgl/text.ts
+++ /dev/null
@@ -1,199 +0,0 @@
-import type { Dictionary } from "./util";
-import type { Shader, UniformMatrix3fv } from "./shader";
-import { Texture } from "./texture";
-import { DefaultRenderable } from "./renderer";
-import { IndexBuffer, VertexBuffer } from "./buffer";
-import { VertexBufferLayout, VertexArray } from "./vertexBufferLayout";
-import { fontPng } from "../assets";
-
-
-export enum Align {
-    Begin,
-    End,
-    Middle,
-}
-
-export class GlypInfo {
-    x: number;
-    y: number;
-    width: number;
-}
-
-export class FontInfo {
-    letterHeight: number;
-    spaceWidth: number;
-    spacing: number;
-    textureWidth: number;
-    textureHeight: number;
-    glyphInfos: Dictionary<GlypInfo>;
-}
-
-export class LabelFactory {
-    texture: Texture;
-    font: FontInfo;
-    shader: Shader;
-
-    constructor(gl: WebGLRenderingContext, fontTexture: Texture, font: FontInfo, shader: Shader) {
-        this.texture = fontTexture;
-        this.font = font;
-        this.shader = shader;
-    }
-
-    build(gl: WebGLRenderingContext, transform?: UniformMatrix3fv): Label {
-        return new Label(gl, this.shader, this.texture, this.font, transform);
-    }
-}
-
-export class Label {
-    inner: DefaultRenderable;
-
-    font: FontInfo;
-
-    constructor(gl: WebGLRenderingContext, shader: Shader, tex: Texture, font: FontInfo, transform?: UniformMatrix3fv) {
-        this.font = font;
-
-        const uniforms = transform ? { "u_trans": transform, "u_trans_next": transform, } : {};
-        const ib = new IndexBuffer(gl, []);
-        const vb_pos = new VertexBuffer(gl, []);
-        const vb_tex = new VertexBuffer(gl, []);
-
-        const layout_pos = new VertexBufferLayout();
-        layout_pos.push(gl.FLOAT, 2, 4, "a_position");
-
-        const layout_tex = new VertexBufferLayout();
-        layout_tex.push(gl.FLOAT, 2, 4, "a_texCoord");
-
-        const vao = new VertexArray();
-        vao.addBuffer(vb_pos, layout_pos);
-        vao.addBuffer(vb_tex, layout_tex);
-
-        this.inner = new DefaultRenderable(ib, vao, shader, [tex], uniforms);
-    }
-
-    getRenderable(): DefaultRenderable {
-        return this.inner;
-    }
-
-    setText(gl: WebGLRenderingContext, text: string, h_align = Align.Begin, v_align = Align.Begin) {
-        const idxs = [];
-        const verts_pos = [];
-        const verts_tex = [];
-
-        let xPos = 0;
-
-        switch (h_align) {
-            case Align.Begin:
-                break;
-            case Align.End:
-                xPos = -1 * [...text].map(n => this.font.glyphInfos[n] ? this.font.glyphInfos[n].width : this.font.spaceWidth).reduce((a, b) => a + b, 0) / this.font.letterHeight;
-                break;
-            case Align.Middle:
-                xPos = -1 * [...text].map(n => this.font.glyphInfos[n] ? this.font.glyphInfos[n].width : this.font.spaceWidth).reduce((a, b) => a + b, 0) / this.font.letterHeight / 2;
-                break;
-        }
-        let yStart = 0;
-        switch (v_align) {
-            case Align.Begin:
-                break;
-            case Align.End:
-                yStart = 1;
-                break;
-            case Align.Middle:
-                yStart = 0.5;
-                break;
-        }
-
-        let j = 0;
-        for (let i = 0; i < text.length; i++) {
-            const info = this.font.glyphInfos[text[i]];
-            if (info) {
-                
-                const dx = info.width / this.font.letterHeight;
-
-                // apply half-pixel correction to prevent texture bleeding
-                // we should address the center of each texel, not the border
-                // https://gamedev.stackexchange.com/questions/46963/how-to-avoid-texture-bleeding-in-a-texture-atlas
-                const x0 = (info.x + 0.5) / this.font.textureWidth;
-                const y0 = (info.y + 0.5) / this.font.textureHeight;
-                const letterWidth = (info.width - 1) / this.font.textureWidth;
-                const letterHeight = (this.font.letterHeight - 1) / this.font.textureHeight;
-
-                verts_pos.push(xPos,      yStart);
-                verts_pos.push(xPos + dx, yStart);
-                verts_pos.push(xPos,      yStart-1);
-                verts_pos.push(xPos + dx, yStart-1);
-
-                verts_tex.push(x0,               y0);
-                verts_tex.push(x0 + letterWidth, y0);
-                verts_tex.push(x0,               y0 + letterHeight);
-                verts_tex.push(x0 + letterWidth, y0 + letterHeight);
-
-                xPos += dx;
-
-                idxs.push(j+0, j+1, j+2, j+1, j+2, j+3);
-                j += 4;
-            } else {
-                // Just move xPos
-                xPos += this.font.spaceWidth / this.font.letterHeight;
-            }
-        }
-
-        this.inner.updateIndexBuffer(gl, idxs);
-        this.inner.updateVAOBuffer(gl, 0, verts_pos);
-        this.inner.updateVAOBuffer(gl, 1, verts_tex);
-    }
-}
-
-export function defaultLabelFactory(gl: WebGLRenderingContext, fontTexture: Texture, shader: Shader): LabelFactory {
-    const fontInfo = {
-        letterHeight: 8,
-        spaceWidth: 8,
-        spacing: -1,
-        textureWidth: 64,
-        textureHeight: 40,
-        glyphInfos: {
-            'a': { x: 0, y: 0, width: 8, },
-            'b': { x: 8, y: 0, width: 8, },
-            'c': { x: 16, y: 0, width: 8, },
-            'd': { x: 24, y: 0, width: 8, },
-            'e': { x: 32, y: 0, width: 8, },
-            'f': { x: 40, y: 0, width: 8, },
-            'g': { x: 48, y: 0, width: 8, },
-            'h': { x: 56, y: 0, width: 8, },
-            'i': { x: 0, y: 8, width: 8, },
-            'j': { x: 8, y: 8, width: 8, },
-            'k': { x: 16, y: 8, width: 8, },
-            'l': { x: 24, y: 8, width: 8, },
-            'm': { x: 32, y: 8, width: 8, },
-            'n': { x: 40, y: 8, width: 8, },
-            'o': { x: 48, y: 8, width: 8, },
-            'p': { x: 56, y: 8, width: 8, },
-            'q': { x: 0, y: 16, width: 8, },
-            'r': { x: 8, y: 16, width: 8, },
-            's': { x: 16, y: 16, width: 8, },
-            't': { x: 24, y: 16, width: 8, },
-            'u': { x: 32, y: 16, width: 8, },
-            'v': { x: 40, y: 16, width: 8, },
-            'w': { x: 48, y: 16, width: 8, },
-            'x': { x: 56, y: 16, width: 8, },
-            'y': { x: 0, y: 24, width: 8, },
-            'z': { x: 8, y: 24, width: 8, },
-            '0': { x: 16, y: 24, width: 8, },
-            '1': { x: 24, y: 24, width: 8, },
-            '2': { x: 32, y: 24, width: 8, },
-            '3': { x: 40, y: 24, width: 8, },
-            '4': { x: 48, y: 24, width: 8, },
-            '5': { x: 56, y: 24, width: 8, },
-            '6': { x: 0, y: 32, width: 8, },
-            '7': { x: 8, y: 32, width: 8, },
-            '8': { x: 16, y: 32, width: 8, },
-            '9': { x: 24, y: 32, width: 8, },
-            '-': { x: 32, y: 32, width: 8, },
-            '*': { x: 40, y: 32, width: 8, },
-            '!': { x: 48, y: 32, width: 8, },
-            '?': { x: 56, y: 32, width: 8, },
-        },
-    };
-
-    return new LabelFactory(gl, fontTexture, fontInfo, shader);
-}