1 files changed, 94 insertions, 0 deletions
diff --git a/redtools/extract_tileblocks.py b/redtools/extract_tileblocks.py
new file mode 100644
index 0000000..1d01c34
--- /dev/null
+++ b/redtools/extract_tileblocks.py
@@ -0,0 +1,94 @@
+#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
+"""
+