Merge pull request #299 from lhearachel/build-refactor/encounters

Refactor generation of encounter data files and packing of pl_enc_data.narc

res/field/encounters/meson.build

@@ -1,3 +1,9 @@
+enc_bin_gen = generator(
+    encounters_new_py,
+    arguments: [ '@INPUT@', '@OUTPUT@', ],
+    output: '@[email protected]'
+)
+
 pl_enc_data_srcs = files(
     '000.json',
     '001.json',
@@ -181,20 +187,17 @@ pl_enc_data_srcs = files(
     '179.json',
     '180.json',
     '181.json',
-    '182.json'
+    '182.json',
 )
 
 pl_enc_tbl_narc = custom_target('pl_enc_data.narc',
     output: 'pl_enc_data.narc',
-    input: pl_enc_data_srcs,
-    env: json2bin_env,
+    input: enc_bin_gen.process(pl_enc_data_srcs, env: json2bin_env),
     depends: [ py_consts_generators ],
     command: [
-        encounters_py,
-        '--knarc', knarc_exe,
-        '--source-dir', '@CURRENT_SOURCE_DIR@',
-        '--private-dir', '@PRIVATE_DIR@',
-        '--output-dir', '@OUTDIR@',
+        knarc_exe,
+        '-d', '@PRIVATE_DIR@',
+        '-p', '@OUTPUT@',
     ]
 )
 

tools/json2bin/encounter.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+import itertools
+import json
+import pathlib
+import sys
+
+from consts import species
+
+
+def as_species(s: str) -> bytes:
+    return species.PokemonSpecies[s].value.to_bytes(4, 'little')
+
+def convert_land(encs: list) -> bytes:
+    return b''.join(itertools.chain.from_iterable([
+        (
+            int(encs[i]['level']).to_bytes(4, 'little'),
+            as_species(encs[i]['species']),
+        )
+        for i in range(12)
+    ]))
+
+def convert_water(encs: list) -> bytes:
+    return b''.join(itertools.chain.from_iterable([
+        (
+            int(encs[i]['level_max']).to_bytes(1, 'little'),
+            int(encs[i]['level_min']).to_bytes(1, 'little'),
+            (0).to_bytes(2, 'little'),
+            as_species(encs[i]['species']),
+        )
+        for i in range(5)
+    ]))
+
+
+input_path = pathlib.Path(sys.argv[1])
+output_path = pathlib.Path(sys.argv[2])
+
+data = {}
+with open(input_path, 'r', encoding='utf-8') as input_file:
+    data = json.load(input_file)
+
+packables = bytearray([])
+packables.extend(int(data['land_rate']).to_bytes(4, 'little'))
+packables.extend(convert_land(data['land_encounters']))
+
+for enc_type, i in itertools.product(['swarms', 'morning', 'night'], range(2)):
+    packables.extend(as_species(data[enc_type][i]))
+
+for i in range(4):
+    packables.extend(as_species(data['radar'][i]))
+
+for key in ['rate_form0', 'rate_form1', 'rate_form2', 'rate_form3', 'rate_form4', 'unown_table']:
+    packables.extend(int(data[key]).to_bytes(4, 'little'))
+
+for version, i in itertools.product(['ruby', 'sapphire', 'emerald', 'firered', 'leafgreen'], range(2)):
+    packables.extend(as_species(data[version][i]))
+
+packables.extend(data['surf_rate'].to_bytes(4, 'little'))
+packables.extend(convert_water(data['surf_encounters']))
+packables.extend((0).to_bytes(44, 'little'))
+
+for rod in ['old', 'good', 'super']:
+    packables.extend(data[f'{rod}_rod_rate'].to_bytes(4, 'little'))
+    packables.extend(convert_water(data[f'{rod}_rod_encounters']))
+
+with open(output_path, 'wb') as output_file:
+    output_file.write(packables)

tools/json2bin/meson.build

@@ -1,11 +1,12 @@
 json2bin_env = environment()
 json2bin_env.set('PYTHONPATH', meson.project_build_root()) # access to constants geneated by constgen
 
-encounters_py = find_program('encounters.py', native: true)
 events_py = find_program('events.py', native: true)
 movedata_py = find_program('movedata.py', native: true)
 pokemon_personal_data_py = find_program('pokemon_personal_data.py', native: true)
 pokemon_wotbl_data_py = find_program('pokemon_wotbl_data.py', native: true)
 trainer_data_py = find_program('trainer_data.py', native: true)
 evo_py = find_program('evo.py', native: true)
 pl_poke_data_py = find_program('pl_poke_data.py', native: true)
+
+encounters_new_py = find_program('encounter.py', native: true)