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Aadded instructions to convert metatile attributes from u32 to u16 when creating a new tileset

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HunarPG 2026-03-08 13:51:55 +05:30
parent 77a79f1e2b
commit 66cda06413
1 changed files with 28 additions and 10 deletions
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38
docs/tutorials/how_to_frlg.md
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@ -45,6 +45,23 @@ Porymap:
To migrate tilesets that have been previously created for pokefirered you can use [this script](/migration_scripts/frlg_metatile_behavior_converter.py).<br>
Instructions are in the script.
## Creating a new tileset
If you create a new tileset after the changes made above Porymap will define that tileset's metatle attributes as u32 like this
```diff
+const u16 gMetatiles_General_Platinum[] = INCBIN_U16("data/tilesets/primary/general_platinum/metatiles.bin");
+const u32 gMetatileAttributes_General_Platinum[] = INCBIN_U32("data/tilesets/primary/general_platinum/metatile_attributes.bin");
```
Which would be fine if it was pokefirered but in pokeemerald they should be u16
Make the following changes to make them u16
```diff
const u16 gMetatiles_General_Platinum[] = INCBIN_U16("data/tilesets/primary/general_platinum/metatiles.bin");
-const u32 gMetatileAttributes_General_Platinum[] = INCBIN_U32("data/tilesets/primary/general_platinum/metatile_attributes.bin");
+const u16 gMetatileAttributes_General_Platinum[] = INCBIN_U16("data/tilesets/primary/general_platinum/metatile_attributes.bin");
```
## Disclaimer: The changes below aren't the permanent solution for the problems, A better build system is being worked on so these solutions might cause merge conflicts down the line
## Build FRLG by default
@ -108,6 +125,17 @@ string region = json_to_string(map_data, "region", true);
}
```
Then run this script to set `REGION_KANTO` as the region attribute for all the Hoenn Maps
**Make sure you run this from the [root folder](../../) of your project!**
```
python3 migration_scripts/add_region_hoenn_attribute_to_hoenn_maps.py
```
Make sure to run `make clean` after running this script
## Make empty layout version defaults to frlg
Also change your `tools/mapjson/mapjson.cpp` so the new maps you add without `frlg` as the layout also work fine
```diff
@ -131,16 +159,6 @@ string layout_version = json_to_string(layout, "layout_version", true);
text << "\t.4byte NULL\n";
```
Then run this script to set `REGION_KANTO` as the region attribute for all the Hoenn Maps
**Make sure you run this from the [root folder](../../) of your project!**
```
python3 migration_scripts/add_region_hoenn_attribute_to_hoenn_maps.py
```
Make sure to run `make clean` after running this script
## Fix CI if you are building FRLG by default
If you make these I would also reccomend fixing your CI too to match these changes