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动态文本显示

本页介绍如何用记分板+titleraw做大规模动态文本映射，避免写大量if score分支。

核心思路

把分数拆成两个索引：

  • wiki:array：第几组(书架)
  • wiki:element：组内第几项(书)

这样1到81共81条文本，可以用一套模板完成。

初始化

BP/functions/wiki/rawtext/setup.mcfunction
scoreboard objectives add wiki:q.var_changed dummy
scoreboard objectives add wiki:const dummy
scoreboard objectives add wiki:array dummy
scoreboard objectives add wiki:element dummy
scoreboard objectives add wiki:var dummy
scoreboard objectives add wiki:delta_var dummy

scoreboard players set .1 wiki:const 1
scoreboard players set .8 wiki:const 8
scoreboard players set .9 wiki:const 9

显示逻辑

BP/functions/wiki/rawtext/display_logic.mcfunction
# 仅在分数变化时计算
scoreboard players set @a[scores={wiki:q.var_changed=1}] wiki:q.var_changed 0
execute as @a unless entity @s[scores={wiki:var=82..}] unless score @s wiki:delta_var = @s wiki:var run scoreboard players set @s wiki:q.var_changed 1

# element=(var-1)%9+1
execute as @a[scores={wiki:q.var_changed=1}] run scoreboard players operation @s wiki:element = @s wiki:var
execute as @a[scores={wiki:q.var_changed=1}] run scoreboard players operation @s wiki:element -= .1 wiki:const
execute as @a[scores={wiki:q.var_changed=1}] run scoreboard players operation @s wiki:element %= .9 wiki:const
execute as @a[scores={wiki:q.var_changed=1}] run scoreboard players operation @s wiki:element += .1 wiki:const

# array=(var+8)/9
execute as @a[scores={wiki:q.var_changed=1}] run scoreboard players operation @s wiki:array = @s wiki:var
execute as @a[scores={wiki:q.var_changed=1}] run scoreboard players operation @s wiki:array += .8 wiki:const
execute as @a[scores={wiki:q.var_changed=1}] run scoreboard players operation @s wiki:array /= .9 wiki:const

# 保存当前值
execute as @a unless score @s wiki:delta_var = @s wiki:var run scoreboard players operation @s wiki:delta_var = @s wiki:var

titleraw模板骨架

titleraw模板骨架
titleraw @a actionbar {"rawtext":[{"translate":"%%%%s","with":{"rawtext":[{"score":{"name":"*","objective":"wiki:array"}},{"rawtext":[{"translate":"%%%%s","with":{"rawtext":[{"score":{"name":"*","objective":"wiki:element"}},{"text":"文本1"},{"text":"文本2"},{"text":"文本3"},{"text":"文本4"},{"text":"文本5"},{"text":"文本6"},{"text":"文本7"},{"text":"文本8"},{"text":"文本9"}]}}]}]}}]}

范围与维护

命令方块直写方案推荐控制在1到81。超过81时，建议改函数分片方案，按区间分发到display/1、display/2、display/3等函数。

扩展到更大范围

  • 函数法可先把wiki:var归一化到1到81循环区间，再按“第几组81”调用不同显示函数。
  • 多重嵌套翻译（Multiple Nested Translates，MNT）可继续扩展到729甚至6561，但单条titleraw会非常长，编辑与性能压力都更大。

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