MM6 - MMExtension - UI Toggle

ui_toggle.lua

local UIManager = {
	isShown = true,
	toggleState = true
}

UIManager.init = function(self)
	self:initHooks()
	function Keys.F12(t)
		self:toggle()
	end
end

UIManager.initHooks = function(self)
	-- return to the toggle state when rendering
	mem.autohook(0x00435267, function()
		self:set(self.toggleState)
	end)
	-- show UI when not rendering
	mem.autohook(0x00435130, function()
		self:set(true)
	end)
end

UIManager.toggle = function(self)
	self.toggleState = not self.isShown
	self:set(self.toggleState)
end

UIManager.set = function(self, state)
	if(state == true) then
		self:show()
	else
		self:hide()
	end
	self.isShown = state
	mem.call(0x004580ef)
	Game.NeedRedraw = true
end

UIManager.show = function(self)
	if(self.isShown == false) then
		-- viewport offset
		mem.u4[0x0052d268] = 8
		mem.u4[0x0052d26c] = 8
		-- viewport width and height
		mem.u4[0x0052d270] = 468
		mem.u4[0x0052d274] = 351

		-- footer graphics
		mem.asmpatch(0x00435159, [[
			CALL absolute 0x00417df0
		]])
		mem.asmpatch(0x0043515e, [[
			CALL absolute 0x00418e50
		]])

		-- character portraits
		mem.asmpatch(0x004352e0, [[
			CALL absolute 0x00486840
		]])
		-- character frames
		mem.asmpatch(0x004352eb, [[
			CALL absolute 0x004353f0
		]])
		-- character portrait overlay
		mem.asmpatch(0x004352fa, [[
			CALL absolute 0x00484980
		]])

		-- turnbased graphics
		mem.asmpatch(0x00435307, [[
			PUSH ESI
		]])
		mem.asmpatch(0x0043530d, [[
			CALL absolute 0x00435ed0
		]])
		
		-- active party spells
		mem.asmpatch(0x004352d0, [[
			CALL absolute 0x004354e0
		]])

		-- overlay graphics
		mem.asmpatch(0x004352af, [[
			CALL absolute 0x00417dc0
		]])

		-- hired NPCs
		mem.asmpatch(0x004352d9, [[
			CALL absolute 0x00486630
		]])
	end
end

UIManager.hide = function(self)
	if(self.isShown == true) then
		-- viewport offset
		mem.u4[0x0052d268] = 0
		mem.u4[0x0052d26c] = 0
		-- viewport width and height
		mem.u4[0x0052d270] = 640
		mem.u4[0x0052d274] = 479

		-- footer graphics
		mem.nop(0x00435159)
		mem.nop(0x0043515e)

		-- character portraits
		mem.nop(0x004352e0)
		-- character frames
		mem.nop(0x004352eb)
		-- chracter portrait overlay
		mem.nop(0x004352fa)

		-- turnbased graphics
		mem.nop(0x00435307)
		mem.nop(0x0043530d)

		-- active party spells
		mem.nop(0x004352d0)

		-- overlay graphics
		mem.nop(0x004352af)

		-- hired NPCs
		mem.nop(0x004352d9)
	end
end

UIManager:init()