class Interactive(mrc.Block):
"""Represents a single interactive piece placed in a level."""
#: Raw value for the x position of the left edge.
x_raw = mrc.Int16_BE(0x00, range=range(-8, 1601))
#: The y position of the top edge.
y = mrc.Int16_BE(0x02, range=range(-41, 201))
#: Index of the InteractiveInfo block in the accompanying GroundDAT.
obj_id = mrc.UInt16_BE(0x04, range=range(0, 16))
#: If 1, blit image behind background.
draw_back = mrc.Bits(0x06, 0b10000000)
#: If 1, draw piece flipped vertically.
draw_masked = mrc.Bits(0x06, 0b01000000)
#: If 1, draw piece as a hole.
draw_upsidedown = mrc.Bits(0x07, 0b10000000)
#: Check to ensure the last chunk of the block is empty.
mod_check = mrc.Const(mrc.UInt16_BE(0x06, bitmask=b'\x3f\x7f'), 0x000f)
@property
def x(self):
"""The x position of the left edge."""
return (self.x_raw - 16) - ((self.x_raw - 16) % 8)
@property
def repr(self):
return "obj_id={}, x={}, y={}".format(self.obj_id, self.x, self.y)
class Rect(mrc.Block):
top = mrc.Int16_BE(0x00)
left = mrc.Int16_BE(0x02)
bottom = mrc.Int16_BE(0x04)
right = mrc.Int16_BE(0x06)
@property
def width(self):
return self.right - self.left
@property
def height(self):
return self.bottom - self.top
@property
def repr(self):
return f'top={self.top}, left={self.left}, bottom={self.bottom}, right={self.right}, width={self.width}, height={self.height}'
class TestB(mrc.Block):
i16 = mrc.Int16_BE()
i32 = mrc.Int32_BE()
i64 = mrc.Int64_BE()
ui16 = mrc.UInt16_BE()
ui32 = mrc.UInt32_BE()
ui64 = mrc.UInt64_BE()
f32 = mrc.Float32_BE()
f64 = mrc.Float64_BE()
class Rect(mrc.Block):
top = mrc.Int16_BE(0x00)
left = mrc.Int16_BE(0x02)
bottom = mrc.Int16_BE(0x04)
right = mrc.Int16_BE(0x06)
@property
def width(self):
return self.right - self.left
@property
def height(self):
return self.bottom - self.top
@property
def repr(self):
return 'top={}, left={}, bottom={}, right={}, width={}, height={}'.format(
self.top, self.left, self.bottom, self.right, self.width,
self.height)
class ScriptContextEntry(mrc.Block):
unk1 = mrc.UInt16_BE(0x00)
unk2 = mrc.UInt16_BE(0x02)
unk3 = mrc.UInt16_BE(0x04)
index = mrc.UInt16_BE(0x06) # for mmap.entries
unk4 = mrc.Bits16(0x08, 0b1111111111111011)
active = mrc.Bits16(0x08, 0b0000000000000100)
link = mrc.Int16_BE(0x0a)
@property
def repr(self):
return 'index: {}, active: {}'.format(self.index, self.active)
class ConfigV4(mrc.Block):
length = mrc.UInt16_BE(0x00)
ver1 = mrc.UInt16_BE(0x02)
movie_rect = mrc.BlockField(Rect, 0x04)
cast_array_start = mrc.UInt16_BE(0x0c)
cast_array_end = mrc.UInt16_BE(0x0e)
frame_rate = mrc.UInt8(0x10)
light_switch = mrc.UInt8(0x11)
unk1 = mrc.Int16_BE(0x12)
comment_font = mrc.Int16_BE(0x14)
comment_size = mrc.Int16_BE(0x16)
comment_style = mrc.UInt8(0x18)
comment_style_2 = mrc.UInt8(0x19)
stage_colour = mrc.Int16_BE(0x1a)
bit_depth = mrc.Int16_BE(0x1c)
colour_flag = mrc.UInt8(0x1e)
unk5 = mrc.UInt8(0x1f)
unk6 = mrc.Int32_BE(0x20)
unk7 = mrc.Int16_BE(0x24)
unk8 = mrc.Int16_BE(0x26)
unk9 = mrc.Int32_BE(0x28)
unk10 = mrc.Int32_BE(0x2c)
unk11 = mrc.Int32_BE(0x30)
unk12 = mrc.UInt8(0x34)
unk17 = mrc.UInt8(0x35)
unk13 = mrc.Int16_BE(0x36)
unk14 = mrc.Int16_BE(0x38)
protection_bits = mrc.Int16_BE(0x3a)
unk15 = mrc.UInt32_BE(0x3c)
checksum = mrc.UInt32_BE(0x40)
unk16 = mrc.UInt16_BE(0x44)
palette_id = mrc.UInt16_BE(0x46)
unk4 = mrc.Bytes(0x48, length=0x08)
@property
def checksum_v4(self):
return checksum_v4(self.export_data())
class ConfigV4(mrc.Block):
length = mrc.UInt16_BE(0x00)
ver1 = mrc.UInt16_BE(0x02)
movie_rect = mrc.BlockField(Rect, 0x04)
cast_array_start = mrc.UInt16_BE(0x0c)
cast_array_end = mrc.UInt16_BE(0x0e)
frame_rate = mrc.UInt8(0x10)
light_switch = mrc.UInt8(0x11)
unk1 = mrc.Int16_BE(0x12)
comment_font = mrc.Int16_BE(0x14)
comment_size = mrc.Int16_BE(0x16)
comment_style = mrc.UInt8(0x18)
comment_style_2 = mrc.UInt8(0x19)
stage_colour = mrc.Int16_BE(0x1a)
bit_depth = mrc.Int16_BE(0x1c)
colour_flag = mrc.UInt8(0x1e)
unk5 = mrc.UInt8(0x1f)
unk6 = mrc.Int32_BE(0x20)
unk7 = mrc.Int16_BE(0x24)
unk8 = mrc.Int16_BE(0x26)
unk9 = mrc.Int32_BE(0x28)
unk10 = mrc.Int32_BE(0x2c)
unk11 = mrc.Int32_BE(0x30)
unk12 = mrc.UInt8(0x34)
unk17 = mrc.UInt8(0x35)
unk13 = mrc.Int16_BE(0x36)
unk14 = mrc.Int16_BE(0x38)
protection_bits = mrc.Int16_BE(0x3a)
unk15 = mrc.UInt32_BE(0x3c)
checksum = mrc.UInt32_BE(0x40)
unk16 = mrc.UInt16_BE(0x44)
palette_id = mrc.UInt16_BE(0x46)
unk4 = mrc.Bytes(0x48, length=0x08)
@property
def checksum_v4(self):
mult = lambda a, b: (a * b) & 0xffffffff
stack = []
ax = self.movie_rect.right
ax += 6
stack.append(ax)
ax = self.movie_rect.bottom
ax += 5
stack.append(ax)
ax = self.movie_rect.left
ax += 4
stack.append(ax)
ax = self.movie_rect.top
ax += 3
stack.append(ax)
ax = self.ver1
ax += 2
cx = self.length
cx += 1
ax *= cx
stack.append(ax)
ax = stack.pop() // stack.pop()
stack.append(ax)
ax = mult(stack.pop(), stack.pop())
stack.append(ax)
ax = stack.pop() // stack.pop()
stack.append(ax)
ax = mult(stack.pop(), stack.pop())
bx = ax
ax = self.cast_array_start
ax += 7
bx -= ax
stack.append(bx)
ax = self.cast_array_end
ax += 8
stack.append(ax)
ax = mult(stack.pop(), stack.pop())
temp_sum = ax
ax = self.frame_rate
ax += 9
temp_sum -= ax
ax = self.light_switch
ax += 10
temp_sum -= ax
ax = self.unk1
ax += 11
temp_sum += ax
stack.append(temp_sum)
ax = self.comment_font
ax += 12
stack.append(ax)
temp_sum = mult(stack.pop(), stack.pop())
ax = self.comment_size
ax += 13
temp_sum += ax
stack.append(temp_sum)
ax = self.comment_style
ax += 14
stack.append(ax)
temp_sum = mult(stack.pop(), stack.pop())
ax = self.stage_colour
ax += 15
temp_sum += ax
ax = self.bit_depth
ax += 16
temp_sum += ax
ax = self.colour_flag
ax += 17
temp_sum += ax
stack.append(temp_sum)
ax = self.unk5
ax += 18
stack.append(ax)
temp_sum = mult(stack.pop(), stack.pop())
eax = self.unk6
eax += 19
temp_sum += eax
stack.append(temp_sum)
ax = self.unk7
ax += 20
stack.append(ax)
temp_sum = mult(stack.pop(), stack.pop())
ax = self.unk8
ax += 21
temp_sum += ax
ax = self.unk9
ax += 22
temp_sum += ax
ax = self.unk10
ax += 23
temp_sum += ax
ax = self.unk11
ax += 24
temp_sum += ax
stack.append(temp_sum)
ax = self.unk12
ax += 25
stack.append(ax)
temp_sum = mult(stack.pop(), stack.pop())
ax = self.unk13
ax += 26
temp_sum += ax
stack.append(temp_sum)
ax = self.unk14
ax += 27
stack.append(ax)
ax = mult(stack.pop(), stack.pop())
stack.append(ax)
ax = 0xe06
ax = self.protection_bits * ax
ax -= 0x00bb0000
stack.append(ax)
ax = mult(stack.pop(), stack.pop())
ax ^= 0x72616c66 # 'ralf'
return ax
class ScriptV4(mrc.Block):
unk1 = mrc.Bytes(0x00, length=0x10)
code_store_offset = mrc.UInt16_BE(0x10)
unk2 = mrc.Bytes(0x12, length=0x1c)
cast_id = mrc.UInt16_BE(0x2e)
factory_name_id = mrc.Int16_BE(0x30)
unk9 = mrc.Bytes(0x32, length=0xe)
globals_offset = mrc.UInt16_BE(0x40)
globals_count = mrc.UInt16_BE(0x42)
unk3 = mrc.Bytes(0x44, length=4)
functions_count = mrc.UInt16_BE(0x48)
unk4 = mrc.UInt16_BE(0x4a)
functions_offset = mrc.UInt16_BE(0x4c)
consts_count = mrc.UInt16_BE(0x4e)
unk6 = mrc.UInt16_BE(0x50)
consts_offset = mrc.UInt16_BE(0x52)
unk7 = mrc.UInt16_BE(0x54)
consts_unk = mrc.UInt16_BE(0x56)
unk8 = mrc.UInt16_BE(0x58)
consts_base = mrc.UInt16_BE(0x5a)
@property
def code_store_size(self):
return self.functions_offset - self.code_store_offset
@code_store_size.setter
def code_store_size(self, value):
self.functions_offset = value + self.code_store_offset
@property
def code_store_base(self):
return -self.code_store_offset
code_store_raw = mrc.Bytes(mrc.Ref('code_store_offset'),
length=mrc.Ref('code_store_size'))
globals = mrc.BlockField(ScriptGlobal,
mrc.Ref('globals_offset'),
count=mrc.Ref('globals_count'))
functions = mrc.BlockField(ScriptFunction,
mrc.Ref('functions_offset'),
count=mrc.Ref('functions_count'))
consts = mrc.BlockField(ScriptConstantV4,
mrc.Ref('consts_offset'),
count=mrc.Ref('consts_count'))
consts_raw = mrc.Bytes(mrc.EndOffset('consts'))
@property
def consts_store_offset(self):
return self.consts_base - self.get_field_end_offset('consts')
#test = mrc.Bytes( 0x00 )
def __init__(self, *args, **kwargs):
self.consts_store = mrc.Store(
self,
mrc.Ref('consts_raw'),
base_offset=mrc.Ref('consts_store_offset'))
self.code_store = mrc.Store(self,
mrc.Ref('code_store_raw'),
base_offset=mrc.Ref('code_store_base'))
super().__init__(*args, **kwargs)
