Mercurial > games > semicongine
annotate src/zamikongine/thing.nim @ 489:54a1f8ee208e
big refactoring, part1
author | Sam <sam@basx.dev> |
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date | Sat, 14 Jan 2023 14:08:00 +0700 |
parents | 14e5151f68d1 |
children | 9edca5dc4e93 |
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1 {.experimental: "codeReordering".} |
489 | 2 import std/times |
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3 |
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4 type |
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5 Part* = object of RootObj |
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6 thing: ref Thing |
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7 |
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8 Thing* = object of RootObj |
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9 parent*: ref Thing |
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10 children*: seq[ref Thing] |
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11 parts*: seq[ref Part] |
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12 |
489 | 13 method update*(thing: ref Thing, dt: Duration) {.base.} = discard |
14 | |
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15 iterator partsOfType*[T: ref Part](root: ref Thing): T = |
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16 var queue = @[root] |
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17 while queue.len > 0: |
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18 let thing = queue.pop |
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19 for part in thing.parts: |
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20 if part of T: |
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21 yield T(part) |
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22 for child in thing.children: |
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23 queue.insert(child, 0) |
489 | 24 |
25 iterator allEntities*(root: ref Thing): ref Thing = | |
26 var queue = @[root] | |
27 while queue.len > 0: | |
28 let next = queue.pop | |
29 for child in next.children: | |
30 queue.add child | |
31 yield next |