96 lines
2.5 KiB
Markdown
96 lines
2.5 KiB
Markdown
# Resource expansion
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Sometimes, you may wish to use respackopts values inside your text files (for example as model transforms),
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without switching between a bunch of similar files. For this purpose, respackopts allows replacing text in files via resource expansion.
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You can use the `expansions` block in your .rpo to replace content with a value computed through executing a custom [StarScript](https://github.com/MeteorDevelopment/starscript/wiki).
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Values can be accessed in star script in a similar way to normal condition objects: `<pack id>.<entry>` or `<pack id>.<subcategory>.<entry>`.
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The string value of an enum can be accessed via `<pack id>.<entry>.value`
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### Example:
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conf.json:
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```json
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{
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"id": "examplePack",
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"version": 6,
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"capabilities": ["FileFilter", "DirFilter"],
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"conf": {
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"oakFence": {
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"uvLock": true,
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"invertOrientation": false,
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"yFactor": 0
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}
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}
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}
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```
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oak_fence.json.rpo:
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```json
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{
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"expansions": {
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"uvlock": "{examplePack.oakFence.uvLock}",
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"orientation": "{!examplePack.oakFence.invertOrientation}",
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"y000": "{examplePack.oakFence.yFactor + 0}",
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"y090": "{examplePack.oakFence.yFactor + 90}",
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"y180": "{examplePack.oakFence.yFactor + 180}",
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"y270": "{examplePack.oakFence.yFactor + 270}"
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}
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}
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```
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oak_fence.json:
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```json
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{
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"multipart": [
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{
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"apply": {
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"model": "minecraft:block/oak_fence_post"
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}
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},
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{
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"when": {
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"north": "${orientation}"
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},
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"apply": {
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"model": "minecraft:block/oak_fence_side",
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"y": ${y000},
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"uvlock": ${uvlock}
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}
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},
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{
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"when": {
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"east": "${orientation}"
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},
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"apply": {
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"model": "minecraft:block/oak_fence_side",
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"y": ${y090},
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"uvlock": ${uvlock}
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}
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},
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{
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"when": {
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"south": "${orientation}"
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},
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"apply": {
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"model": "minecraft:block/oak_fence_side",
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"y": ${y180},
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"uvlock": ${uvlock}
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}
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},
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{
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"when": {
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"west": "${orientation}"
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},
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"apply": {
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"model": "minecraft:block/oak_fence_side",
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"y": ${y270},
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"uvlock": ${uvlock}
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}
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}
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]
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}
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```
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## Explanation
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The expansions block contains a key ("uvlock") and a script, which is executed when the file is loaded.
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All instances of the key (formatted as ${name} -> ${lights} in this example) will be replaced by the result of the script.
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Make sure to only use this feature on text files as unexpected results my occur otherwise
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