MM6 - MMExtension - Camera Zoom (outdoor only)

zoom.lua

local fovManager = {
	FOV = 170,
	increment = 4,
	timer = nil
}

fovManager.update = function(self)
	local hexFOV = '0x' .. bit.tohex(self.FOV);
	mem.asmpatch(0x004789f5, 'AND EAX, ' .. hexFOV);
	mem.call(0x004582cd)
	Game.ShowStatusText('FOV updated: ' .. self.FOV)
end

fovManager.add = function(self)
	self:to( self.FOV - self.increment )
end

fovManager.substract = function(self)
	self:to( self.FOV + self.increment )
end

fovManager.set = function(self, value)
	self.FOV = math.min(math.max(value, 10), 300)
	self:update()
end

fovManager.to = function(self, value)
	RemoveTimer(self.timer)
	local increment = self.increment
	local forward = value > self.FOV
	self.timer = function()
		local newFOV = self.FOV
		if(forward == true) then
			newFOV = newFOV + self.increment
			if(newFOV > value) then
				newFOV = value
			end
		else
			newFOV = newFOV - self.increment
			if(newFOV < value) then
				newFOV = value
			end
		end
		self:set( newFOV )
		if(newFOV == value) then
			RemoveTimer(self.timer)
		end
	end
	Timer(self.timer, const.Second)
end

fovManager.raiseTextureQualityDistance = function(self)
	-- low distance
	mem.asmpatch( 0x004581f1, [[
		MOV ESI,0x2000
	]] )

	-- medium distance
	mem.asmpatch( 0x004581dd, [[
		MOV EDX,0x3000
	]] )

	-- high distance
	mem.asmpatch( 0x004581e2, [[
		MOV ECX,0x4000
	]] )
end

fovManager.init = function(self)
	function Keys.P(t)
		self:add()
	end
	function Keys.O(t)
		self:substract()
	end
	function Keys.L(t)
		self:to(60)
	end
	function Keys.K(t)
		self:to(170)
	end
	function Keys.J(t)
		self:to(220)
	end
	self:raiseTextureQualityDistance()
end

fovManager:init()