ref: 1f1f31ff9cc45ffe1777d78975c0022d14233ab9
parent: 1f38d74c65b9c5ccc9a792c7df73853fc64fbd55
author: Bryan Bishop <kanzure@gmail.com>
date: Sun Jan 15 10:45:09 EST 2012
connection_helper - print out a formula for connection math hg-commit-id: 27e8096bb251
--- a/common.asm
+++ b/common.asm
@@ -8138,7 +8138,7 @@
db NORTH | SOUTH ; connections
db ROUTE_1
- dw $4192,$C6EB ; pointers
+ dw Route1Blocks + 150,$C6EB ; pointers
db $0A,$0A ; bigness, width
db $23,$00 ; alignments
dw $C809 ; window
--- /dev/null
+++ b/extras/connection_helper.py
@@ -1,0 +1,94 @@
+#!/usr/bin/python
+#author: Bryan Bishop <kanzure@gmail.com>
+#date: 2012-01-15
+#help with connection math
+import extract_maps
+from pretty_map_headers import map_constants, map_name_cleaner, offset_to_pointer
+
+def print_connections(map_id):
+ map1 = extract_maps.map_headers[map_id]
+ map1_name = map1["name"]
+ connections = map1["connections"]
+
+ for connection_id in connections:
+ connection = connections[connection_id]
+ direction = connection["direction"]
+ connected_pointer = int(connection["connected_map_tile_pointer"], 16)
+ current_pointer = int(connection["current_map_tile_pointer"], 16)
+ map2_id = connection["map_id"]
+ map2 = extract_maps.map_headers[map2_id]
+ map2_name = map2["name"]
+ map2_cname = map_name_cleaner(map2["name"], None)[:-2]
+ map2_bank = int(map2["bank"], 16)
+ map2_blocks_pointer = offset_to_pointer(int(map2["map_pointer"], 16))
+ map2_height = int(map2["y"], 16)
+ map2_width = int(map2["x"], 16)
+
+ print map1_name + " (id=" + str(map_id) + ") " + direction + " to " + map2_name
+ print "map2 blocks pointer: " + hex(map2_blocks_pointer)
+ print "map2 height: " + str(map2_height)
+ print "map2 width: " + str(map2_width)
+ print "map1 connection pointer: " + hex(connected_pointer)
+
+ shift = 0
+ #not sure about the calculated shift for NORTH or SOUTH
+ if direction == "NORTH":
+ calculated = map2_blocks_pointer + (map2_height - 3) * map2_width
+ result = connected_pointer - calculated
+ if result != 0:
+ shift = result #seems to always be 2?
+ calculated = map2_blocks_pointer + (map2_height - 3) * map2_width + shift
+ print "shift: " + str(shift)
+ formula = map2_cname + "Blocks + (" + map2_cname + "Height - 3) * " + map2_cname + "Width + " + str(shift)+ else:
+ formula = map2_cname + "Blocks + (" + map2_cname + "Height - 3) * " + map2_cname + "Width"+ elif direction == "SOUTH":
+ calculated = map2_blocks_pointer
+ result = connected_pointer - calculated
+ formula = map2_cname + "Blocks"
+ if result != 0:
+ shift = result
+ calculated = map2_blocks_pointer + shift
+ print "shift: " + str(shift)
+ formula += " + " + str(shift)
+ elif direction == "WEST":
+ calculated = map2_blocks_pointer - 3 + (map2_width)
+ result = connected_pointer - calculated
+ formula = map2_cname + " - 3 + (" + map2_cname + "Width)"+ if result != 0:
+ shift = result / map2_width
+ shift += 1
+ calculated = map2_blocks_pointer - 3 + (map2_width * shift)
+ print "shift: " + str(shift)
+ formula = map2_cname + " - 3 + (" + map2_cname + "Width * " + str(shift) + ")"+ elif direction == "EAST":
+ calculated = map2_blocks_pointer + (map2_width)
+ result = connected_pointer - calculated
+ print ".. result is: " + str(result)
+ formula = map2_cname + " + (" + map2_cname + "Width)"+ if result != 0:
+ shift = result / map2_width
+ shift += 1
+ calculated = map2_blocks_pointer + (map2_width * shift)
+ print "shift: " + str(shift)
+ formula = map2_cname + " + (" + map2_cname + "Width * " + str(shift) + ")"+
+ print "formula: " + formula
+
+ result = connected_pointer - calculated
+ print "result: " + str(result)
+
+ print "\n",
+
+if __name__ == "__main__":
+ extract_maps.load_rom()
+ extract_maps.load_map_pointers()
+ extract_maps.read_all_map_headers()
+
+ #trouble:
+ #print_connections(13)
+ #print_connections(15)
+
+ for map_id in extract_maps.map_headers.keys():
+ if map_id not in extract_maps.bad_maps:
+ print_connections(map_id)
--- a/extras/extract_maps.py
+++ b/extras/extract_maps.py
@@ -560,8 +560,6 @@
#prune results
while "" in results:
results.remove("")- print results
- print "connection_id is: " + str(connection_id) + " and byte is: " + hex(connection_byte)
return results[connection_id]
def read_map_header(address, bank):