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Puggsy (U) | Free Player (Camera) | Lua, BizHawk, Sega Mega Drive / Genesis
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| -- For BizHawk | |
| local player_x_addr = 0x06E0 | |
| local player_y_addr = 0x06E2 | |
| local cam_x_addr = 0x05BA | |
| local cam_y_addr = 0x05BC | |
| local invincibility_addr = 0x0728 | |
| local step = 1 | |
| local prev_keys = {} | |
| local prev_mouse = {} | |
| local state = 0 | |
| gui.addmessage("[Script] Free Player") | |
| while true do | |
| local x = mainmemory.read_u16_be(player_x_addr) | |
| local y = mainmemory.read_u16_be(player_y_addr) | |
| local keys = input.get() | |
| local mouse = input.getmouse() | |
| if keys["Delete"] then | |
| mainmemory.write_u16_be(player_x_addr, x - step) | |
| elseif keys["PageDown"] then | |
| mainmemory.write_u16_be(player_x_addr, x + step) | |
| end | |
| if keys["Home"] then | |
| mainmemory.write_u16_be(player_y_addr, y - step) | |
| elseif keys["End"] then | |
| mainmemory.write_u16_be(player_y_addr, y + step) | |
| end | |
| if keys["Insert"] and not prev_keys["Insert"] then | |
| if step > 1 then | |
| step = step - 1 | |
| gui.addmessage("Velocity = "..tostring(step)) | |
| end | |
| elseif keys["PageUp"] and not prev_keys["PageUp"] then | |
| if step < 32 then | |
| step = step + 1 | |
| gui.addmessage("Velocity = "..tostring(step)) | |
| end | |
| end | |
| if mouse["Middle"] and not prev_mouse["Middle"] then | |
| state = (state + 1) % 3 | |
| gui.clearGraphics() | |
| end | |
| if state > 0 then | |
| -- Clear player | |
| for i = 0, 0x280 - 1, 2 do | |
| memory.write_u16_be(0x8000 + i, 0, "VRAM") | |
| end | |
| mainmemory.write_u16_be(invincibility_addr, 0x0010) | |
| if state == 2 then | |
| local screen_x = x - mainmemory.read_u16_be(cam_x_addr) - 10 | |
| local screen_y = y - mainmemory.read_u16_be(cam_y_addr) | |
| gui.drawRectangle(screen_x, screen_y, 24, 40) | |
| end | |
| end | |
| prev_keys = keys | |
| prev_mouse = mouse | |
| emu.frameadvance() | |
| end |
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