Test swipe functionality on cloud game and verify touch protocol

[Copilot]

Tested the cloud game swipe/drag functionality by connecting to cg.163.com, navigating the game, and verifying the touch event protocol against the official JavaScript client.

Findings

• Touch protocol is correct: Reverse-engineered chunk-common.c94e2694.js confirms mobile touch events use down=1, move=2, up=3 with raw video pixel coordinates. The getPercentPos() (0-65535 normalization) is only used for PC mouse events (codes 100+). Our handle_swipe and handle_click implementations match this.

• Session time exhaustion: Initial clicks (START, login dialogs) worked. Later interactions appeared unresponsive because the cloud game session's remaining_time had dropped to ~35s by that point — the game was in a timeout/idle state, not a protocol failure.

Protocol reference (from cg.163.com JS)

// Mobile touch — raw video pixel coords, NO normalization
send_touchstart_message: function(e) {
    var t = this.transform({x: e.posX, y: e.posY});  // display → video coords only
    this.send_message("down", {x: t.x, y: t.y, id: e.slotId});
}

// PC mouse — uses getPercentPos (0-65535), different code path
i = this.transform(t);
i = this.getPercentPos(i);  // ← normalization only here
this.send_message_pc("mousemove", {posType: POS_TYPE_ABSOLUTE, x: i.x, y: i.y});

No code changes

The existing swipe implementation (create_touch_cmd in handle_swipe) correctly sends interpolated touch events with raw pixel coordinates. A fresh session with sufficient time is needed to complete the full warehouse navigation + swipe test.

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