From 2434f38c3dbbc906aded81fa2459544594828d69 Mon Sep 17 00:00:00 2001
From: Mario Carneiro <di.gama@gmail.com>
Date: Wed, 28 Feb 2024 04:38:59 -0500
Subject: [PATCH] left-handed mode for OneSaber

---
 src/components/beat-generator.js | 19 +++++++++++++------
 src/scene.html                   |  2 +-
 src/state/index.js               | 11 +++++++++++
 3 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/src/components/beat-generator.js b/src/components/beat-generator.js
index dc15f72ea..e5c9d4164 100644
--- a/src/components/beat-generator.js
+++ b/src/components/beat-generator.js
@@ -25,6 +25,7 @@ AFRAME.registerComponent('beat-generator', {
   schema: {
     challengeId: { type: 'string' }, // If clicked play.
     gameMode: { type: 'string' }, // classic, punch, ride.
+    leftHandedMode: { default: false },
     difficulty: { type: 'string' },
     beatmapCharacteristic: { type: 'string' },
     has3DOFVR: { default: false },
@@ -252,9 +253,9 @@ AFRAME.registerComponent('beat-generator', {
     let color;
     let type = noteInfo._cutDirection === 8 ? 'dot' : 'arrow';
     if (noteInfo._type === 0) {
-      color = 'red';
+      color = data.leftHandedMode ? 'blue' : 'red';
     } else if (noteInfo._type === 1) {
-      color = 'blue';
+      color = data.leftHandedMode ? 'red' : 'blue';
     } else {
       type = 'mine';
       color = undefined;
@@ -286,7 +287,10 @@ AFRAME.registerComponent('beat-generator', {
 
     // Apply sword offset. Blocks arrive on beat in front of the user.
     const cutDirection = this.orientationsHumanized[noteInfo._cutDirection];
-    const horizontalPosition = this.horizontalPositionsHumanized[noteInfo._lineIndex] || 'left';
+    let lineIndex = noteInfo._lineIndex;
+    // mirror notes in OneSaber left handed mode
+    if (data.leftHandedMode) lineIndex = 3 - lineIndex;
+    const horizontalPosition = this.horizontalPositionsHumanized[lineIndex] || 'left';
     const verticalPosition = this.verticalPositionsHumanized[noteInfo._lineLayer] || 'middle';
 
     // Factor in sword offset and beat anticipation time (percentage).
@@ -336,7 +340,10 @@ AFRAME.registerComponent('beat-generator', {
     if (data.has3DOFVR && data.gameMode !== 'viewer') { return; }
 
     const durationSeconds = 60 * (wallInfo._duration / this.bpm);
-    const horizontalPosition = this.horizontalPositionsHumanized[wallInfo._lineIndex] || 'none';
+    let lineIndex = wallInfo._lineIndex;
+    // mirror obstacles in OneSaber left handed mode
+    if (data.leftHandedMode) lineIndex = 3 - lineIndex;
+    const horizontalPosition = this.horizontalPositionsHumanized[lineIndex] || 'none';;
     const isCeiling = wallInfo._type === 1;
     const length = durationSeconds * data.speed;
     const width = wallInfo._width / 2; // We want half the reported width.
@@ -385,10 +392,10 @@ AFRAME.registerComponent('beat-generator', {
         this.tube.emit('pulse', null, false);
         break;
       case 12:
-        this.stageColors.setColor('leftglow', event._value);
+        this.stageColors.setColor(this.data.leftHandedMode ? 'rightglow' : 'leftglow', event._value);
         break;
       case 13:
-        this.stageColors.setColor('rightglow', event._value);
+        this.stageColors.setColor(this.data.leftHandedMode ? 'leftglow' : 'rightglow', event._value);
         break;
     }
   },
diff --git a/src/scene.html b/src/scene.html
index 42f0818e7..462a32123 100644
--- a/src/scene.html
+++ b/src/scene.html
@@ -5,7 +5,7 @@
 {% set firekey = true and 'AIzaSyAilakXLvMgwPcBcHs3oys51eLp4yrfz0w' or 'AIzaSyALCaDKg0b7aD3nOyRv_f5RTZ1vedrGyWw' %}
 
 <a-scene
-  bind__beat-generator="challengeId: challenge.id; difficulty: challenge.difficulty; beatmapCharacteristic: challenge.beatmapCharacteristic; gameMode: gameMode; has3DOFVR: has3DOFVR; hasSongLoadError: hasSongLoadError; isPlaying: isPlaying; isZipFetching: isZipFetching; menuSelectedChallengeId: menuSelectedChallenge.id; songDuration: challenge.metadata.duration; speed: speed"
+  bind__beat-generator="challengeId: challenge.id; difficulty: challenge.difficulty; beatmapCharacteristic: challenge.beatmapCharacteristic; gameMode: gameMode; leftHandedMode: challenge.leftHandedMode; has3DOFVR: has3DOFVR; hasSongLoadError: hasSongLoadError; isPlaying: isPlaying; isZipFetching: isZipFetching; menuSelectedChallengeId: menuSelectedChallenge.id; songDuration: challenge.metadata.duration; speed: speed"
   bind__beat-system="gameMode: gameMode; hasVR: hasVR; isLoading: isLoading; isPlaying: isPlaying"
   bind__gameover="isGameOver: isGameOver"
   bind__intro-song="isPlaying: menuActive && !menuSelectedChallenge.id; isSearching: isSearching"
diff --git a/src/state/index.js b/src/state/index.js
index ea10da83c..40b11abb1 100644
--- a/src/state/index.js
+++ b/src/state/index.js
@@ -73,6 +73,7 @@ AFRAME.registerState({
       id: AFRAME.utils.getUrlParameter('challenge'),  // Will be empty string if not playing.
       image: '',
       isBeatsPreloaded: false,  // Whether we have passed the negative time.
+      leftHandedMode: false,
       numBeats: undefined,
       songDuration: 0,
       songName: '',
@@ -374,6 +375,7 @@ AFRAME.registerState({
 
     gamemenurestart: state => {
       resetScore(state);
+      setLeftHandedMode(state);
       state.challenge.isBeatsPreloaded = false;
       state.isGameOver = false;
       state.isPaused = false;
@@ -624,6 +626,8 @@ AFRAME.registerState({
       // Set challenge.
       Object.assign(state.challenge, state.menuSelectedChallenge);
 
+      setLeftHandedMode(state);
+
       gtag('event', 'difficulty', { event_label: state.challenge.difficulty });
 
       // Reset menu.
@@ -954,6 +958,13 @@ function resetScore(state) {
   state.score.score = 0;
 }
 
+function setLeftHandedMode(state) {
+  state.challenge.leftHandedMode =
+    state.challenge.beatmapCharacteristic == 'OneSaber' &&
+    state.activeHand == 'left';
+  debugLog(state, `setLeftHandedMode(${state.challenge.beatmapCharacteristic}, ${state.activeHand})`);
+}
+
 function computeMenuSelectedChallengeIndex(state) {
   state.menuSelectedChallenge.index = -1;
   for (let i = 0; i < state.searchResultsPage.length; i++) {