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mm/Lua/classes.lua

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require "serialize"
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Monitor = Class()
function Monitor:init(name, a)
self.name = name
self.begin = a.addr
self.len = a.type
self.once = false
self.old_bytes = {}
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self.modified = {}
self.dirty = false
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end
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function Monitor:read()
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-- bizhawk has an off-by-one bug where this returns length + 1 bytes
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local raw = mainmemory.readbyterange(self.begin, self.len-1)
local bytes = {}
local begin = self.begin
for k, v in pairs(raw) do
bytes[k - begin] = v
end
return bytes
end
function Monitor:diff()
local bytes = self:read()
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local old_bytes = self.old_bytes
if self.once then
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for i, v in pairs(bytes) do
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local x = v
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local x1 = old_bytes[i]
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if x ~= x1 then
self:mark(i, x, x1)
end
end
end
self.old_bytes = bytes
self.once = true
end
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function Monitor:load(fn)
self.modified = deserialize(fn) or {}
self.dirty = false
self.fn = fn
end
function Monitor:save(fn)
if self.dirty then
serialize(fn or self.fn, self.modified)
self.dirty = false
end
end
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InputHandler = Class()
function InputHandler:init(binds)
self.binds = binds
self.old_ctrl = {}
end
function InputHandler:update()
local ctrl = {}
local pressed = {}
local j = joypad.getimmediate()
for k, v in pairs(self.binds) do
ctrl[k] = j[v]
end
for k, v in pairs(ctrl) do
pressed[k] = ctrl[k] and not self.old_ctrl[k]
end
self.old_ctrl = ctrl
return ctrl, pressed
end