From 48766ab009434c84ba03cf90d27d80c100e76e67 Mon Sep 17 00:00:00 2001
From: "A.Olokhtonov" <a.olokhtonov@norsi-trans.ru>
Date: Sun, 21 Jul 2024 16:30:21 +0300
Subject: [PATCH] Cache generated geometry

---
 geometry.js |  9 ++++-----
 input.js    | 18 ++++++++++++++++++
 parse.js    |  9 +++++++--
 render.js   |  6 +++++-
 4 files changed, 34 insertions(+), 8 deletions(-)

diff --git a/geometry.js b/geometry.js
index 631eb7c..326c748 100644
--- a/geometry.js
+++ b/geometry.js
@@ -27,17 +27,16 @@ function generate(trace_id) {
     const sizes = [];
     const colors = [];
 
-    let instructions = [];
+    let instructions = {};
 
     if (trace_id in traces) {
-        instructions = traces[trace_id];
+        instructions = traces[trace_id].raw;
     }
 
-    console.log(instructions);
-
     let y = 0;
 
-    for (const instruction of instructions) {
+    for (const id in instructions) {
+        const instruction = instructions[id];
         for (let i = 0; i < instruction.lanes['0'].length; ++i) {
             const stage = instruction.lanes['0'][i];
             let stage_cycles;
diff --git a/input.js b/input.js
index ad8dc36..e44e9fe 100644
--- a/input.js
+++ b/input.js
@@ -62,7 +62,24 @@ function wheel(e) {
     schedule_draw();
 }
 
+function jump_to_first_instruction()  {
+    if (Object.keys(traces).length > 0) {
+        const trace = traces[Object.keys(traces)[0]].raw;
+        if (Object.keys(trace).length > 0) {
+            const first_instruction = trace[Object.keys(trace)[0]];
+            offset.x = -first_instruction.cycle * config.w;
+            offset.y = 0 * config.h;
+            zoom_target = 1;
+            zoom = 1;
+            schedule_draw();
+        }
+    }
+}
+
 function keydown(e) {
+    if (e.code === 'Digit0') {
+        jump_to_first_instruction();
+    }
 }
 
 function keyup(e) {
@@ -91,6 +108,7 @@ function drop(e) {
         const text = fr.result;
         console.log('Finished. String length:', text.length);
         if (parse(text)) {
+            jump_to_first_instruction();
             schedule_draw();
         }
     };
diff --git a/parse.js b/parse.js
index 17e3289..450c832 100644
--- a/parse.js
+++ b/parse.js
@@ -7,7 +7,7 @@ function parse(text) {
     let line_index = 0;
     let c = -1;
 
-    const instructions = [];
+    const instructions = {};
 
     //console.log(text);
 
@@ -178,7 +178,12 @@ function parse(text) {
 
     console.log(`Parsed in ${Math.round(after - before)}ms`);
 
-    traces['0'] = instructions;
+    traces['0'] = {
+        'raw': instructions,
+    };
+
+
+    traces['0'].geo = generate('0');
 
     return true;
 }
diff --git a/render.js b/render.js
index ed2885d..a58ca63 100644
--- a/render.js
+++ b/render.js
@@ -114,7 +114,11 @@ function draw(ts, animation) {
     gl.clearColor(0.11, 0.11, 0.11, 1);
     gl.clear(gl.COLOR_BUFFER_BIT); 
 
-    const quads = generate('0');
+    let quads = { 'count': 0 };
+
+    if ('0' in traces) {
+        quads = traces['0'].geo;
+    }
 
     if (quads.count > 0) {
         const program = programs['quad'];