Script to Save Specified Camera View?

Guides UI and Macro
1

I found this script at https://www.wowinterface.com/forums/showthread.php?t=58245

local function SetCameraZoom(level)
    local zoom = GetCameraZoom()
    local delta = zoom-level
    if delta > 0 then
        CameraZoomIn(delta)
    else
        CameraZoomOut(-delta)
    end
end

It works for the most part, but I’m running into situations where it will trigger twice (I think?) and zoom more than intended. Is there a way to specify a camera zoom distance without calling the CameraZoomIn and CameraZoomOut functions? I know you can use SaveView(), but you have to manually set your camera in-game before it will function as intended.

This is the offending script:

local function OnEvent(self, event)
    if IsInInstance() then return end
    if IsMounted() or UnitInVehicle("player") then
        SetCVar("test_cameraOverShoulder", 0)
        SetCameraZoom(15)
    else
        SetCVar("test_cameraOverShoulder", 1)
        SetCameraZoom(7)
    end
end

local f = CreateFrame("Frame")
f:RegisterEvent("PLAYER_MOUNT_DISPLAY_CHANGED")
f:RegisterEvent("UNIT_ENTERED_VEHICLE")
f:RegisterEvent("UNIT_EXITED_VEHICLE")
f:SetScript("OnEvent", OnEvent)

It appears that UNIT_ENTERED_VEHICLE and UNIT_EXITED_VEHICLE cause SetCameraZoom’s unintended effects. Being able to save specific camera settings to call instead of using SetCameraZoom would make this problem irrelevant.

2

The SetCameraZoom function does the actual zooming so maybe instead:

local function SetCameraZoom(zoom)
	local toZoom = GetCameraZoom() - zoom
	local zoomMode = toZoom > 0 and CameraZoomIn or CameraZoomOut
	zoomMode(math.abs(toZoom)) 
end

If you wanted to replace things happening automatically on certain events with a manual process you could combine this with:

_G.SLASH_ZaqZoom1 = "/zz"
SlashCmdList.ZaqZoom = function(msg)
	if msg ~= "" then 
		SetCameraZoom(15) 
	else
		SetCameraZoom(7)
	end
end

where /zz zooms in and /zz [with any key] zooms out. You can change the 7 and 15 amounts.

This is not using the SetCVar lines.

1 Like
3

You could maybe get inspiration from how DynamicCam is realizing its SetZoom() and SetZoomUsingCVar() functions:
https://github.com/mpstark/LibCamera/blob/master/LibCamera.lua

1 Like
4

I tried your new function, Fizzlemizz. I have the same issue with it when it tries to activate the zoom functions while the camera is already zooming. It causes extra zoom in some cases.

After I posted this, I went digging in the DynamicCam code and found that mpstark uses a lengthy function to set the zoom level. This tells me that it’s probably not so simple to do. He posts his libraries on GitHub, so I grabbed them from there and started using his LibCamera:StopZooming() and LibCamera:SetZoom() functions instead. It’s working as intended now. Thanks for the help, guys.

1 Like