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-rw-r--r--tools/script_disassembler/script_disassembler.py306
1 files changed, 306 insertions, 0 deletions
diff --git a/tools/script_disassembler/script_disassembler.py b/tools/script_disassembler/script_disassembler.py
new file mode 100644
index 00000000..39390241
--- /dev/null
+++ b/tools/script_disassembler/script_disassembler.py
@@ -0,0 +1,306 @@
+from dataclasses import dataclass
+import struct
+
+# Disassembler for tmc scripts
+# Input 'macros' to generate the macros for the script commands
+# Input the script bytes as hex to disassemble the script
+
+@dataclass
+class Context:
+ ptr: int
+ data: bytes
+
+def u16_to_hex(value):
+ return '0x' + (struct.pack('>H', value).hex())
+
+def barray_to_u16_hex(barray):
+ count = len(barray)//2
+ integers = struct.unpack('H'*count, barray)
+ return [u16_to_hex(x) for x in integers]
+
+def u32_to_hex(value):
+ return '0x' + (struct.pack('>I', value).hex())
+
+def barray_to_u32_hex(barray):
+ count = len(barray)//4
+ integers = struct.unpack('I'*count, barray)
+ return [u32_to_hex(x) for x in integers]
+
+"""
+def GetNextScriptCommandWordAfterCommandMetadata(ctx):
+ return struct.unpack('I', ctx.data[ctx.ptr+2:ctx.ptr+6])[0]
+
+
+def sub_0807E10C(ctx):
+ meta = GetNextScriptCommandWordAfterCommandMetadata(ctx)
+ print('function', hex(meta))
+
+
+def sub_0807E5F8(ctx):
+ curPtr = start + ctx.ptr
+ print('current', hex(curPtr))
+ # gUnk_02033280.unk_00 |= GetNextScriptCommandWordAfterCommandMetadata(unk2->unk_00.raw);
+ meta = GetNextScriptCommandWordAfterCommandMetadata(ctx)
+ print('meta', meta)
+ newPtr = curPtr | meta
+ print('Start next script at: ', hex(newPtr))
+"""
+
+commands = [
+ {'fun': 'nullsub_507', 'params': ''},
+ {'fun': 'sub_0807E004', 'params': '', 'name': 'start executing scripts'},
+ {'fun': 'sub_0807E014', 'params': '', 'name': 'stop executing scripts'},
+ {'fun': 'sub_0807E024', 'params': 's', 'name': 'jump by offset'},
+ {'fun': 'sub_0807E050', 'params': 's', 'name': 'jump if'},
+ {'fun': 'sub_0807E064', 'params': 's', 'name': 'jump if not'},
+ {'fun': 'sub_0807E078', 'params': 's'},
+ {'fun': 'sub_0807E0A0', 'params': 'w','name': 'abs jump' },
+ {'fun': 'sub_0807E0B8', 'params': 'w', 'name': 'abs jump if'},
+ {'fun': 'sub_0807E0CC', 'params': 'w', 'name': 'abs jump if not'},
+ {'fun': 'sub_0807E0E0', 'params': 'w'},
+ {'fun': 'sub_0807E10C', 'params':'w', 'name': 'Execute function via pointer'},# 'exec': sub_0807E10C},
+ {'fun': 'sub_0807E124', 'params': 'ww'},
+ {'fun': 'sub_0807E148', 'params': 'w'},
+ {'fun': 'sub_0807E158', 'params': 'w'},
+ {'fun': 'sub_0807E188', 'params': 's'},
+ {'fun': 'sub_0807E1D8', 'params': 's'},
+ {'fun': 'sub_0807E4AC', 'params': 's'},
+ {'fun': 'sub_0807E200'},
+ {'fun': 'sub_0807E220'},
+ {'fun': 'sub_0807E240'},
+ {'fun': 'sub_0807E260', 'params': 's'},
+ {'fun': 'sub_0807E280'},
+ {'fun': 'sub_0807E2A8', 'params': 's'},
+ {'fun': 'sub_0807E2E4', 'params': ''},
+ {'fun': 'sub_0807E30C'},
+ {'fun': 'sub_0807E390'},
+ {'fun': 'sub_0807E3BC'},
+ {'fun': 'sub_0807E3E8'},
+ {'fun': 'sub_0807E40C'},
+ {'fun': 'sub_0807E42C'},
+ {'fun': 'sub_0807E48C'},
+ {'fun': 'sub_0807E4CC'},
+ {'fun': 'sub_0807E4EC'},
+ {'fun': 'sub_0807E514'},
+ {'fun': 'sub_0807E538'},
+ {'fun': 'sub_0807E564'},
+ {'fun': 'sub_0807E584'},
+ {'fun': 'sub_0807E5A0'},
+ {'fun': 'sub_0807E5CC'},
+ {'fun': 'sub_0807E5F8', 'params': 'w'},# 'exec': sub_0807E5F8},
+ {'fun': 'sub_0807E610'},
+ {'fun': 'sub_0807E628'},
+ {'fun': 'sub_0807E634'},
+ {'fun': 'sub_0807E644'},
+ {'fun': 'sub_0807E650'},
+ {'fun': 'sub_0807E65C'},
+ {'fun': 'sub_0807E668'},
+ {'fun': 'sub_0807E674'},
+ {'fun': 'sub_0807E680', 'params': 's'},
+ {'fun': 'sub_0807E690'},
+ {'fun': 'sub_0807E6AC', 'params': 'w'},
+ {'fun': 'sub_0807E6DC'},
+ {'fun': 'sub_0807E700'},
+ {'fun': 'sub_0807E72C'},
+ {'fun': 'sub_0807E75C'},
+ {'fun': 'sub_0807E778'},
+ {'fun': 'sub_0807E788'},
+ {'fun': 'sub_0807E79C'},
+ {'fun': 'nullsub_508'},
+ {'fun': 'sub_0807E7B0'},
+ {'fun': 'sub_0807E7C4'},
+ {'fun': 'sub_0807E7D8'},
+ {'fun': 'sub_0807E7EC'},
+ {'fun': 'sub_0807E800'},
+ {'fun': 'sub_0807E80C'},
+ {'fun': 'sub_0807E858'},
+ {'fun': 'sub_0807E864', 'params': ''},
+ {'fun': 'sub_0807E878', 'params': ''},
+ {'fun': 'sub_0807E888'},
+ {'fun': 'sub_0807E898'},
+ {'fun': 'sub_0807E8C4', 'params': 'w'},
+ {'fun': 'sub_0807E8D4'},
+ {'fun': 'sub_0807E8E4', 'params': ''},
+ {'fun': 'sub_0807E8E4', 'params': ''},
+ {'fun': 'sub_0807E8E4', 'params': ''},
+ {'fun': 'sub_0807E8E4', 'params': ''},
+ {'fun': 'sub_0807E908'},
+ {'fun': 'sub_0807E914'},
+ {'fun': 'sub_0807E924'},
+ {'fun': 'sub_0807E930', 'params': 's'},
+ {'fun': 'sub_0807E944'},
+ {'fun': 'sub_0807E974'},
+ {'fun': 'sub_0807E9D4', 'params': ''},
+ {'fun': 'sub_0807E9DC', 'params': ''},
+ {'fun': 'sub_0807E9E4'},
+ {'fun': 'sub_0807E9F0'},
+ {'fun': 'sub_0807EA4C'},
+ {'fun': 'sub_0807EA88'},
+ {'fun': 'sub_0807EA94', 'params': ''},
+ {'fun': 'sub_0807EAB4'},
+ {'fun': 'sub_0807EAC0'},
+ {'fun': 'sub_0807EAD0', 'params': 'ss'},
+ {'fun': 'sub_0807EAF0'},
+ {'fun': 'sub_0807EB18'},
+ {'fun': 'sub_0807EB28', 'params': 's'},
+ {'fun': 'sub_0807EB38'},
+ {'fun': 'sub_0807EB44'},
+ {'fun': 'sub_0807EB4C'},
+ {'fun': 'sub_0807EB74'},
+ {'fun': 'sub_0807EB8C', 'params': ''},
+ {'fun': 'sub_0807EBA8'},
+ {'fun': 'sub_0807EBB0'},
+ {'fun': 'sub_0807EBC0', 'params': 's'},
+ {'fun': 'sub_0807EBC8'},
+ {'fun': 'sub_0807EBD8'},
+ {'fun': 'sub_0807EBF4'},
+ {'fun': 'sub_0807EC08'},
+ {'fun': 'nullsub_509'},
+ {'fun': 'sub_0807EC1C', 'params': 's'},
+ {'fun': 'sub_0807EC64'},
+ {'fun': 'sub_0807EC94'},
+ {'fun': 'sub_0807ECC4'},
+ {'fun': 'sub_0807ECF4'},
+ {'fun': 'sub_0807ED24'},
+ {'fun': 'sub_0807EDD4'},
+ {'fun': 'sub_0807EE04'},
+ {'fun': 'sub_0807EE30', 'params': ''},
+ {'fun': 'sub_0807EEB4'},
+ {'fun': 'sub_0807EEF4'},
+ {'fun': 'sub_0807EF3C'},
+ {'fun': 'sub_0807EF80', 'params': 's'},
+ {'fun': 'sub_0807EF90'},
+ {'fun': 'sub_0807EFA0'},
+ {'fun': 'sub_0807EFAC', 'params': 's'},
+ {'fun': 'sub_0807EFD4'},
+ {'fun': 'sub_0807EFE4', 'params': ''},
+ {'fun': 'sub_0807EFF4'},
+ {'fun': 'sub_0807F004'},
+ {'fun': 'sub_0807F010'},
+ {'fun': 'sub_0807F034'},
+ {'fun': 'sub_0807F050'},
+ {'fun': 'sub_0807F060'},
+ {'fun': 'sub_0807F078'},
+ {'fun': 'sub_0807F088'},
+ {'fun': 'sub_0807F098'},
+ {'fun': 'sub_0807F0A4'},
+ {'fun': 'sub_0807F0B4'},
+ {'fun': 'sub_0807F0C8'}
+]
+
+# definitions for parameters
+parameters = {
+ '': {
+ 'length':0,
+ 'param': '',
+ 'expr': '',
+ 'read': lambda ctx: ''
+ },
+ 's': {
+ 'length': 1,
+ 'param': 's',
+ 'expr': 's,',
+ 'read': lambda ctx: barray_to_u16_hex(ctx.data[ctx.ptr+2:ctx.ptr+4])[0]
+ },
+ 'w': {
+ 'length': 2,
+ 'param': 'w',
+ 'expr': 'WORD_TO_SHORTS(w),',
+ 'read': lambda ctx: barray_to_u32_hex(ctx.data[ctx.ptr+2:ctx.ptr+6])[0]
+ },
+ 'ss': {
+ 'length': 2,
+ 'param': 'a,b',
+ 'expr': 'a,b,',
+ 'read': lambda ctx: ','.join(barray_to_u16_hex(ctx.data[ctx.ptr+2:ctx.ptr+6]))
+ },
+ 'ww': {
+ 'length': 4,
+ 'param': 'a,b',
+ 'expr': 'WORD_TO_SHORTS(a), WORD_TO_SHORTS(b),',
+ 'read': lambda ctx: ','.join(barray_to_u32_hex(ctx.data[ctx.ptr+2:ctx.ptr+10]))
+ },
+}
+
+
+def ExecuteScriptCommandSet(ctx: Context):
+ cmd = struct.unpack('H', ctx.data[ctx.ptr:ctx.ptr+2])[0]
+ if cmd == 0 or cmd ==0xffff:
+ return 0
+
+ unk_06 = cmd >> 0xA
+ operationId = cmd & 0x3FF
+ #print(cmd)
+ #print('advance by', unk_06)
+ #print('command id', operationId)
+ command = commands[operationId]
+ #print(command)
+ param_length = unk_06 - 1
+ if unk_06 > 1:
+ meta = struct.unpack(
+ 'H'*(unk_06-1), ctx.data[ctx.ptr+2:ctx.ptr+2*unk_06])
+ #print('meta', meta)
+
+ # Handle parameters
+ if not 'params' in command:
+ raise Exception('Parameters not defined for ' + command['fun'] + ' Should be of length ' + str(param_length))
+ if not command['params'] in parameters:
+ raise Exception('Parameter configuration ' + command['params'] + ' not defined')
+ params = parameters[command['params']]
+ if unk_06-1 != params['length']:
+ raise Exception('Call with ' + (unk_06-1) +' length, while length of ' + params['length']+' defined')
+
+
+ print(command['fun'] + '(' + params['read'](ctx) + ')')
+
+ # Execute script
+ ctx.ptr += unk_06*2
+ return 1
+
+
+def disassemble_script(input_data):
+ input_bytes = bytearray.fromhex(input_data)
+
+ ctx = Context(0, input_bytes)
+
+ while True:
+ if not ExecuteScriptCommandSet(ctx):
+ break
+
+
+ # Print rest (did not manage to get there)
+
+ print(',\n'.join(barray_to_u16_hex(ctx.data[ctx.ptr:])))
+
+def generate_macros():
+ print('#ifndef SCRIPT_MACROS_H')
+ print('#define SCRIPT_MACROS_H')
+ print('// Generated by disassemble_script.py')
+ print('#define START_SCRIPT(name) const unsigned short name[] = {')
+ print('#define END_SCRIPT() };')
+ print('#define WORD_TO_SHORTS(word) (unsigned short)word & 0xffff,(unsigned short)word >> 16')
+ print('')
+ for num, command in enumerate(commands):
+ if not 'params' in command:
+ #raise Exception('Parameters not defined for ' + command['fun'] + ' Should be of length ' + str(param_length))
+ continue # TODO
+ if not command['params'] in parameters:
+ raise Exception('Parameter configuration ' + command['params'] + ' not defined')
+
+ params = parameters[command['params']]
+ id = ((params['length']+1) << 0xA) + num
+ print('#define ' + command['fun'] + '(' + params['param'] + ') '+u16_to_hex(id)+', ' + params['expr'])
+
+ print ('#endif')
+
+def main():
+
+ # Read input
+ input_data = input()
+
+ if input_data.strip() == 'macros':
+ generate_macros()
+ return
+ disassemble_script(input_data)
+
+main() \ No newline at end of file