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45 lines
1.0 KiB
Lua
45 lines
1.0 KiB
Lua
-- Sequence
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--
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local bret = require 'behavior3.behavior_ret'
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local M = {
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name = 'Sequence',
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type = 'Composite',
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desc = '顺序执行',
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doc = [[
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+ 一直往下执行，有子节点返回成功则返回成功，若全部节点返回失败则返回失败
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+ 子节点是或的关系
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]]
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}
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function M.run(node, env)
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local last_idx, last_ret = node:resume(env)
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if last_idx then
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-- print("last", last_idx, last_ret)
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if last_ret == bret.FAIL or bret.RUNNING then
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return last_ret
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elseif last_ret == bret.SUCCESS then
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last_idx = last_idx + 1
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else
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error('wrong ret')
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end
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else
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last_idx = 1
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end
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for i = last_idx, #node.children do
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local child = node.children[i]
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local r = child:run(env)
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if r == bret.RUNNING then
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return node:yield(env, i)
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end
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if r == bret.FAIL then
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return r
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end
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end
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return bret.SUCCESS
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end
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return M
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