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background.py: generate correct 7shades PLSZ value

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.. for the generated pattern name table
This commit is contained in:
Zack Buhman 2026-01-09 23:41:11 -06:00
parent d48f61d548
commit 669f771dc1
1 changed files with 14 additions and 2 deletions
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16
background.py
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@ -168,6 +168,8 @@ def pack_pattern_name_table(f, cel_chunk, tileset_chunk):
f.write(pack_index(character_size, y_flip, x_flip, tile_id)) f.write(pack_index(character_size, y_flip, x_flip, tile_id))
return h_pages, v_pages
def generate_separate_files(mem): def generate_separate_files(mem):
tilesets, layers, palette, cel_chunks = parse_file(mem) tilesets, layers, palette, cel_chunks = parse_file(mem)
@ -261,6 +263,16 @@ def chctla_n0chsz(tileset_chunk):
else: else:
assert False, (tileset_chunk.tile_width, tileset_chunk.tile_height) assert False, (tileset_chunk.tile_width, tileset_chunk.tile_height)
def hv_pages_plsz(hv_pages):
if hv_pages == (1, 1):
return PLSZ__N0PLSZ__1x1
elif hv_pages == (2, 1):
return PLSZ__N0PLSZ__2x1
elif hv_pages == (2, 2):
return PLSZ__N0PLSZ__2x2
else:
assert False, hv_pages
def generate_7shades(mem, output_filename): def generate_7shades(mem, output_filename):
tilesets, layers, palette, cel_chunks = parse_file(mem) tilesets, layers, palette, cel_chunks = parse_file(mem)
@ -274,7 +286,7 @@ def generate_7shades(mem, output_filename):
pattern_name_tables_start = f_tmp.getbuffer().nbytes pattern_name_tables_start = f_tmp.getbuffer().nbytes
for layer_index, cel_chunk in sorted(cel_chunks.items(), key=itemgetter(0)): for layer_index, cel_chunk in sorted(cel_chunks.items(), key=itemgetter(0)):
tileset_chunk = tilesets[layers[layer_index].tileset_index] tileset_chunk = tilesets[layers[layer_index].tileset_index]
pack_pattern_name_table(f_tmp, cel_chunk, tileset_chunk) hv_pages = pack_pattern_name_table(f_tmp, cel_chunk, tileset_chunk)
break break
pattern_name_tables_end = f_tmp.getbuffer().nbytes pattern_name_tables_end = f_tmp.getbuffer().nbytes
size_of_map_data = pattern_name_tables_end - pattern_name_tables_start size_of_map_data = pattern_name_tables_end - pattern_name_tables_start
@ -290,7 +302,7 @@ def generate_7shades(mem, output_filename):
tile_character_size = chctla_n0chsz(tileset_chunk) tile_character_size = chctla_n0chsz(tileset_chunk)
tile_color_mode = CHCTLA__N0CHCN__256_COLOR tile_color_mode = CHCTLA__N0CHCN__256_COLOR
plane_size = PLSZ__N0PLSZ__2x2 plane_size = hv_pages_plsz(hv_pages)
map_data = PNCN0__N0PNB__2WORD if PNB == "2WORD" else PNCN0__N0PNB__1WORD map_data = PNCN0__N0PNB__2WORD if PNB == "2WORD" else PNCN0__N0PNB__1WORD
header = header_7shades(size_of_cel_data, header = header_7shades(size_of_cel_data,