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51 lines
1.3 KiB
Lua
51 lines
1.3 KiB
Lua
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-- license:BSD-3-Clause
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-- copyright-holders:Carl
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-- Layout scripts should return a table and a string. The table can have two optional keys reset and frame
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-- which have functions for values called on reset and frame draw respectively and the string is a unique name.
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local exports = {}
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exports.name = "layout"
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exports.version = "0.0.1"
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exports.description = "Layout helper plugin"
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exports.license = "The BSD 3-Clause License"
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exports.author = { name = "Carl" }
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local layout = exports
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function layout.startplugin()
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local scripts = {}
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local function prepare_layout(script)
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local env = { machine = manager:machine(), pairs = pairs, ipairs = ipairs,
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table = { insert = table.insert, remove = table.remove } }
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local script, err = load(script, script, "t", env)
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if not script then
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emu.print_verbose("error loading layout script " .. err)
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return
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end
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local name
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script, name = script()
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scripts[name] = script
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end
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emu.register_callback(prepare_layout, "layout")
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emu.register_frame(function()
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if manager:machine().paused then
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return
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end
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for num, scr in pairs(scripts) do
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if scr.frame then
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scr.frame()
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end
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end
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end)
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emu.register_start(function()
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for num, scr in pairs(scripts) do
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if scr.reset then
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scr.reset()
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end
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end
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end)
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emu.register_stop(function() scripts = {} end)
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end
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return exports
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