Mesen2/UI/Debugger/Utilities/LuaScripts/Example.lua
2023-01-25 16:03:56 -05:00

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1.7 KiB
Lua

--This is an example Lua (https://www.lua.org) script to give a general idea of how to build scripts
--Press F5 or click the Run button to execute it
--Type "emu." to show a list of all available API function
function printInfo()
--Get the emulation state
state = emu.getState()
--Get the mouse's state (x, y, left, right, middle)
mouseState = emu.getMouseState()
--Select colors based on whether the left button is held down
if mouseState.left == true then
buffer = emu.getScreenBuffer()
for i = 1, #buffer do
buffer[i] = buffer[i] & 0xFFFF
end
emu.setScreenBuffer(buffer)
bgColor = 0x30FF6020
fgColor = 0x304040FF
else
bgColor = 0x302060FF
fgColor = 0x30FF4040
end
--Draw some rectangles and print some text
emu.drawRectangle(8, 8, 128, 24, bgColor, true, 1)
emu.drawRectangle(8, 8, 128, 24, fgColor, false, 1)
emu.drawString(12, 12, "Frame: " .. state["frameCount"], 0xFFFFFF, 0xFF000000)
emu.drawString(12, 21, "Clock: " .. state["masterClock"], 0xFFFFFF, 0xFF000000)
emu.drawRectangle(8, 218, 193, 11, bgColor, true, 1)
emu.drawRectangle(8, 218, 193, 11, fgColor, false, 1)
emu.drawString(11, 220, "Hold left mouse button to switch colors", 0xFFFFFF, 0xFF000000)
--Draw a block behind the mouse cursor - leaves a trail when moving the mouse
emu.drawRectangle(mouseState.x - 2, mouseState.y - 2, 5, 5, 0xAF00FF90, true, 20)
emu.drawRectangle(mouseState.x - 2, mouseState.y - 2, 5, 5, 0xAF000000, false, 20)
end
--Register some code (printInfo function) that will be run at the end of each frame
emu.addEventCallback(printInfo, emu.eventType.endFrame);
--Display a startup message
emu.displayMessage("Script", "Example Lua script loaded.")