ref: 736db93fd898cbdc4883b3e9abbe7beb43bc6ce1
dir: /extras/extract_tileblocks.py/
#author: Bryan Bishop <kanzure@gmail.com> #date: 2012-01-14 #split out blocksets into binary data files # There's also code here to spit out asm for each blockset, # but it's too many lines and will probably crash rgbasm. import sys import extract_maps extract_maps.load_rom() spacing = " " tileblocks = { "Tset00_Block": [0x645E0, 0x64DE0, ""], "Tset01_Block": [0x65270, 0x653A0, ""], "Tset02_Block": [0x693BF, 0x6960F, ""], "Tset03_Block": [0x6A9FF, 0x6B1FF, ""], "Tset05_Block": [0x6867F, 0x68DBF, ""], "Tset08_Block": [0x65980, 0x65BB0, ""], "Tset09_Block": [0x69BFF, 0x6A3FF, ""], "Tset0B_Block": [0x6FEF0, 0x70000, ""], "Tset0D_Block": [0x6E930, 0x6ED10, ""], "Tset0E_Block": [0x66BF0, 0x66D60, ""], "Tset0F_Block": [0x6C5C0, 0x6CCA0, ""], "Tset10_Block": [0x67350, 0x676F0, ""], "Tset13_Block": [0x66190, 0x66610, ""], "Tset11_Block": [0x6D0C0, 0x6D8C0, ""], "Tset12_Block": [0x6DEA0, 0x6E390, ""], "Tset14_Block": [0x6F2D0, 0x6F670, ""], "Tset15_Block": [0x6FB20, 0x6FD60, ""], "Tset16_Block": [0x6B7FF, 0x6C000, ""], "Tset17_Block": [0x67B50, 0x68000, ""], } #10:02 <+sawakita> each block is composed by 4x4 tiles #10:03 <+sawakita> so you can see a blockset as a list of 16-bytes long arrays #10:07 <+sawakita> 4 bytes for each row of the block, left-to-right, top-to-down #10:08 <+sawakita> so first byte is top-left tile #10:08 <+kanzure> top-left tile byte is a tile id? #10:08 <+sawakita> exactly #10:09 <+kanzure> what does a tile id reference #10:10 <+sawakita> tile ID $00 is the first tile of the tileset's graphics (first 16-bytes, since gfx are 2bpp) output = "" for tileblock_id in tileblocks.keys(): tileblock = tileblocks[tileblock_id] start_address = tileblock[0] end_address = tileblock[1] block_count = (end_address - start_address) / 16 main_data = extract_maps.rom[start_address:end_address] blockset_id = int(tileblock_id[4:6], 16) output = "; " output += tileblock_id + " - " + str(block_count) + " blocks (" + hex(start_address) + " to " + hex(end_address) + ")\n" #print tileblock_id + " has " + str(block_count) + " block tiles." for block_id in range(0, block_count): start_address2 = start_address + (16 * block_id) end_address2 = start_address + (16 * block_id) + 16 data = extract_maps.rom[start_address2:end_address2] output += spacing + "; block " + str(block_id + 1) + " on " + tileblock_id + "\n" #output += spacing + spacing + "db $%.2x" % (ord(data[0])) #for data_bit in range(1,15): # output += ", $%.2x" % (ord(data[data_bit])) #output += ", $%.2x" % (ord(data[15])) #output += "\n" for row_id in range(0,4): subdata = data[row_id * 4:row_id * 4 + 4] subdata2 = [ord(subdata[0]), ord(subdata[1]), ord(subdata[2]), ord(subdata[3])] output += spacing + spacing + " ; row " + str(row_id + 1) + "\n" output += spacing + spacing + spacing + "db $%.2x, $%.2x, $%.2x, $%.2x\n" % (subdata2[0], subdata2[1], subdata2[2], subdata2[3]) fh = open("../gfx/blocksets/%.2x.bst" % (blockset_id), "w") fh.write(main_data) fh.close() print output """ Tset00_Block: ; block 1 ; row 1 db 0, 0, 0, 0 ; row 2 db 0, 0, 0, 0 ; row 3 db 0, 0, 0, 0 ; row 4 db 0, 0, 0, 0 """