117 lines
2.5 KiB
Lua
117 lines
2.5 KiB
Lua
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function love.boot()
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-- Init package.path and add filesystem-compatible package loader
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package.path = "?.lua;?/init.lua"
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table.insert(package.loaders, 1, function(modname)
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modname = modname:gsub("%.", "/")
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for x in package.path:gmatch("[^;]+") do
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local file = x:gsub("?", modname)
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if love.filesystem.exists(file) then
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return assert(loadstring(love.filesystem.read(file), "=" .. file))
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end
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end
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end)
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-- Init event handlers table
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local t = {
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"mousepressed",
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"mousereleased",
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"mousemoved",
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"keypressed",
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"keyreleased",
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"textinput",
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}
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love.handlers = {}
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for i, name in ipairs(t) do
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love.handlers[name] = function(...)
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local fn = love[name]
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if fn then fn(...) end
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end
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end
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-- Try to mount .exe file, then the first argument
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for i, v in ipairs { love.argv[1], love.argv[2] } do
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local mounted = love.filesystem.mount(v)
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if mounted then
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break
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end
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end
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-- Set write directory and mount
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love.filesystem.setWriteDir("save")
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love.filesystem.mount("save")
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-- Load main.lua or init `nogame` state
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if love.filesystem.isFile("main.lua") then
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require("main")
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else
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love.nogame()
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end
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love.run()
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end
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function love.run()
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-- Prepare arguments
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local args = {}
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for i = 2, #love.argv do
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args[i - 1] = love.argv[i]
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end
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-- Do load callback
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if love.load then love.load(args) end
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love.timer.step()
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while true do
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-- Handle events
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love.event.pump()
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while 1 do
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local name, a,b,c,d = love.event.poll()
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if not name then
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break
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end
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love.handlers[name](a, b, c, d)
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end
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-- Update
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love.timer.step()
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local dt = love.timer.getDelta()
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if love.update then love.update(dt) end
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-- Draw
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love.graphics.clear()
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if love.draw then love.draw() end
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love.graphics.present()
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end
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end
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function love.errhand(msg)
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-- Init error text
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local err = { "Error\n", msg }
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local trace = debug.traceback("", 2)
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for line in string.gmatch(trace, "([^\t]-)\n") do
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table.insert(err, line)
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end
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local str = table.concat(err, "\n")
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-- Init error state
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love.graphics.reset()
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pcall(love.graphics.setBackgroundColor, 89, 157, 220)
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-- Do error main loop
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while true do
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for _, e in ipairs(love.keyboard.poll()) do
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if e.type == "down" and e.code == 1 then
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os.exit()
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end
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end
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love.graphics.clear()
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love.graphics.print(str, 6, 6)
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love.graphics.present()
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end
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end
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xpcall(love.boot, love.errhand)
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