Complete remaining client gap features
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shenlei
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# text_tail_arrange_test —— §8.8 seam ⑩：ArrangeTextTail item 尾标去重叠 + isIn 1:1。
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# boxes_overlap（isIn AABB，含边界）、box_* 四边（-w/2-2 / w/2+2 / -2 / h）、
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# arrange_item_tails（单条不动 / 两条不叠不动 / 两条叠 -> 后者顶到前者框底下 /
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# 级联下推 / 病态全同位收敛在 MAX_ITERS 内）、
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# item_box_with_owner（增量 125：无 owner 退化 / 有 owner -> h += ownerH + 4、
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# owner 更宽时 w = ownerW - 2 使 box_end_x == ownerW/2 + 1）。
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# godot --headless --path project --script text_tail_arrange_test.gd
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# 退出码 0 = 全过。
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extends SceneTree
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const TextTailArrange = preload("res://text_tail_arrange.gd")
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var _fail := 0
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func _ck(c: bool, m: String) -> void:
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if not c:
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_fail += 1
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printerr("FAIL: " + m)
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func _feq(a: float, b: float, m: String) -> void:
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_ck(absf(a - b) < 0.0001, "%s (got %f want %f)" % [m, a, b])
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func _init() -> void:
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_run()
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if _fail == 0:
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print("PASS: text_tail_arrange_test (§8.8 seam ⑩ ArrangeTextTail item 尾标去重叠 + isIn 1:1)")
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quit(0)
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else:
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printerr("%d check(s) failed" % _fail)
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quit(1)
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func _run() -> void:
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# --- 0. 常量 -------------------------------------------------------------
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_feq(TextTailArrange.PUSH_GAP, 5.0, "PUSH_GAP = yTemp = 5（:164）")
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_feq(TextTailArrange.MAX_ITERS, 20.0, "MAX_ITERS = LimitCount 上限 20（:176）")
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# --- 1. 框四边（PythonTextTail.cpp:810-813）----------------------------
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_feq(TextTailArrange.box_start_x(40.0), -40.0 / 2.0 - 2.0, "xStart = -w/2 - 2 = -22")
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_feq(TextTailArrange.box_end_x(40.0), 40.0 / 2.0 + 2.0, "xEnd = w/2 + 2 = 22")
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_feq(TextTailArrange.box_start_y(), -2.0, "yStart = -2")
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_feq(TextTailArrange.box_end_y(16.0), 16.0, "yEnd = h = 16")
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# --- 2. boxes_overlap（isIn，:489-507）-------------------------------
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var a := {"x": 100.0, "y": 100.0, "w": 40.0, "h": 16.0} # x∈[78,122] y∈[98,116]
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var b_hit := {"x": 110.0, "y": 105.0, "w": 40.0, "h": 16.0} # x∈[88,132] y∈[103,121]
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_ck(TextTailArrange.boxes_overlap(a, b_hit), "x、y 都交叠 -> 相交")
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_ck(TextTailArrange.boxes_overlap(b_hit, a), "isIn 对称")
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# 边界相接：inclusive <= / >= -> 视为相交
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var b_edge := {"x": 100.0 + 44.0, "y": 100.0, "w": 40.0, "h": 16.0} # x1T = 144-22 = 122 == x2S
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_ck(TextTailArrange.boxes_overlap(a, b_edge), "边界相接（x2S == x1T）含边界 -> 相交")
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# x 完全分离
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var b_farx := {"x": 100.0 + 45.0, "y": 100.0, "w": 40.0, "h": 16.0} # x1T = 145-22 = 123 > 122
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_ck(not TextTailArrange.boxes_overlap(a, b_farx), "x 分离 -> 不相交")
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# y 完全分离
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var b_fary := {"x": 100.0, "y": 100.0 + 40.0, "w": 40.0, "h": 16.0} # y1T = 140-2 = 138 > 116
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_ck(not TextTailArrange.boxes_overlap(a, b_fary), "y 分离 -> 不相交")
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# --- 3. arrange_item_tails ---------------------------------------------
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# 单条：不动
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var one := [{"x": 100.0, "y": 100.0, "w": 40.0, "h": 16.0}]
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_feq(TextTailArrange.arrange_item_tails(one)[0], 100.0, "单条 -> y 不变")
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# 两条不叠：都不动
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var two_far := [
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{"x": 100.0, "y": 100.0, "w": 40.0, "h": 16.0},
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{"x": 100.0, "y": 300.0, "w": 40.0, "h": 16.0},
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]
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var r_far := TextTailArrange.arrange_item_tails(two_far)
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_feq(r_far[0], 100.0, "不叠 -> 第 1 条不变")
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_feq(r_far[1], 300.0, "不叠 -> 第 2 条不变")
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# 两条叠：外层先处理 i=0 —— 与 j=1 相交，把「自己」（第 1 条）顶到第 2 条框底下。
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# ys[0] = ys[1] + yEnd(第2条=16) + PUSH_GAP(5) = 100 + 16 + 5 = 121；ys[1] 不变。
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# 再看 i=1：此时第 1 条已在 y=121（x∈[78,122] y∈[119,137]），第 2 条 y=100
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# （y∈[98,116]）——115? 119 > 116 -> 不再相交，第 2 条不动。
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var two_hit := [
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{"x": 100.0, "y": 100.0, "w": 40.0, "h": 16.0},
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{"x": 100.0, "y": 100.0, "w": 40.0, "h": 16.0},
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]
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var r_hit := TextTailArrange.arrange_item_tails(two_hit)
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_feq(r_hit[0], 100.0 + 16.0 + 5.0, "两条同位 -> 第 1 条被顶到 121")
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_feq(r_hit[1], 100.0, "两条同位 -> 第 2 条留原位")
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_ck(not TextTailArrange.boxes_overlap(
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{"x": 100.0, "y": r_hit[0], "w": 40.0, "h": 16.0},
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{"x": 100.0, "y": r_hit[1], "w": 40.0, "h": 16.0}),
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"排布后两框不再相交")
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# 三条同位。逐条各自移动自己（参考端每个 pInsert 只改自己的 y）：
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# i=0：与 1 撞 -> ys[0] = 100 + 16 + 5 = 121；与 2（100）此时已不撞（121 的框 y∈[119,137]）。
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# i=1：与 2（100）撞 -> 121；再与已排好的 0（121）撞 -> 121 + 21 = 142。
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# i=2：0 在 121、1 在 142，都在 100 上方（y 更大 = 屏幕更下），100 的槽已空出 -> 第 3 条不动。
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# 结果 [121, 142, 100]：三框互不相交（100→[98,116]、121→[119,137]、142→[140,158]）。
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var three := [
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{"x": 100.0, "y": 100.0, "w": 40.0, "h": 16.0},
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{"x": 100.0, "y": 100.0, "w": 40.0, "h": 16.0},
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{"x": 100.0, "y": 100.0, "w": 40.0, "h": 16.0},
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]
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var r3 := TextTailArrange.arrange_item_tails(three)
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_feq(r3[0], 121.0, "三条同位 -> 第 1 条 121")
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_feq(r3[1], 142.0, "三条同位 -> 第 2 条 142")
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_feq(r3[2], 100.0, "三条同位 -> 第 3 条留原位（前两条已让开）")
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# 两两不再相交
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for p in [[0, 1], [0, 2], [1, 2]]:
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_ck(not TextTailArrange.boxes_overlap(
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{"x": 100.0, "y": r3[p[0]], "w": 40.0, "h": 16.0},
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{"x": 100.0, "y": r3[p[1]], "w": 40.0, "h": 16.0}),
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"三条排布后 %d/%d 不相交" % p)
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# 病态：很多条全同位 —— 单条被下推次数封顶 MAX_ITERS，函数必然返回（不死循环）。
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var many: Array = []
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for k in 40:
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many.append({"x": 0.0, "y": 0.0, "w": 30.0, "h": 12.0})
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var rm := TextTailArrange.arrange_item_tails(many)
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_ck(rm.size() == 40, "40 条全同位 -> 正常返回 40 个 y（未死循环）")
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# 第 1 条只需 1 次下推就让开其余全部（它们都还在 y=0）：0 + 12 + 5 = 17。
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_feq(rm[0], 17.0, "第 1 条一次下推到 17")
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# 靠后的条目下推次数封顶 MAX_ITERS：每次至多 +（12 + 5）= 17 -> <= 340。
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for k in 40:
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_ck(rm[k] <= (12.0 + 5.0) * TextTailArrange.MAX_ITERS + 0.001,
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"第 %d 条下推量不超过 MAX_ITERS * (h + gap) = 340" % (k + 1))
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# --- 4. 列表顺序即 m_ItemTextTailList 顺序：靠前的先让位（各自移动自己）-------
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var ordered := [
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{"x": 50.0, "y": 200.0, "w": 20.0, "h": 10.0},
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{"x": 50.0, "y": 203.0, "w": 20.0, "h": 10.0},
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]
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var ro := TextTailArrange.arrange_item_tails(ordered)
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_ck(ro[0] > ro[1], "靠前的条目被顶到靠后条目下方（参考端各 pInsert 移动自己）")
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_feq(ro[1], 203.0, "靠后的条目保持原位")
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# --- 5. item_box_with_owner（SetItemTextTailOwner, PythonTextTail.cpp:706-737）------
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# 无 owner（owner_w / owner_h <= 0）-> 退化为纯名字框
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var b0 := TextTailArrange.item_box_with_owner(40.0, 16.0)
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_feq(b0["w"], 40.0, "无 owner -> w = name_w")
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_feq(b0["h"], 16.0, "无 owner -> h = name_h")
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_feq(TextTailArrange.item_box_with_owner(40.0, 16.0, 0.0, 12.0)["h"], 16.0, "owner_w<=0 -> 退化")
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_feq(TextTailArrange.item_box_with_owner(40.0, 16.0, 30.0, 0.0)["h"], 16.0, "owner_h<=0 -> 退化")
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# 有 owner：yEnd += ownerH + 4（:735）
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var bo := TextTailArrange.item_box_with_owner(40.0, 16.0, 30.0, 12.0)
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_feq(bo["h"], 16.0 + 12.0 + 4.0, "有 owner -> h = name_h + owner_h + 4 = 32")
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_feq(bo["w"], 40.0, "owner 比名字窄 -> w 仍 = name_w")
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_feq(TextTailArrange.box_end_x(bo["w"]), 40.0 / 2.0 + 2.0, "owner 窄 -> box_end_x(w) == nameW/2 + 2")
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# owner 比名字宽 -> box_end_x 收进 fMAX(nameW/2+2, ownerW/2+1)（:737）-> w = owner_w - 2
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var bw := TextTailArrange.item_box_with_owner(20.0, 16.0, 50.0, 12.0)
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_feq(bw["w"], 50.0 - 2.0, "owner 更宽 -> w = owner_w - 2 = 48")
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_feq(TextTailArrange.box_end_x(bw["w"]), 50.0 / 2.0 + 1.0, "-> box_end_x(w) == ownerW/2 + 1（参考 :737 fMAX）")
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# 顶到带 owner 的框底下时 push = yEnd + PUSH_GAP
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var stacked := [
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{"x": 0.0, "y": 0.0, "w": 20.0, "h": 16.0},
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{"x": 0.0, "y": 0.0, "w": bo["w"], "h": bo["h"]},
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]
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_feq(TextTailArrange.arrange_item_tails(stacked)[0], bo["h"] + TextTailArrange.PUSH_GAP,
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"靠前条被顶到带 owner 框底下 = (name_h + owner_h + 4) + PUSH_GAP = 37")
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