utils_shared.lua

function isEventHandlerAdded(eventName, attachedTo, handlerFunction)
	local attachedFunctions = getEventHandlers(eventName, attachedTo)
	if type(attachedFunctions) == "table" and #attachedFunctions > 0 then
		for i, func in ipairs(attachedFunctions) do
			if func == handlerFunction then
				return true
			end
		end
	end
	return false
end

function table.find(t, value)
	for _, v in pairs(t) do
		if v == value then
			return true
		end
	end
	return false
end

function getNextPedName(appliedAnimations)
	local maxNum = 0
	for _, entry in ipairs(appliedAnimations) do
		local num = tostring(entry.name):match("^pasped(%d+)$")
		num = tonumber(num)
		if num and num > maxNum then
			maxNum = num
		end
	end
	return "pasped" .. (maxNum + 1)
end

-- Map editor autoSnap function
local camDistance = 5
local elementDiameter = 1
local radius = 5

function focusCameraOnPed(element)
	if not isElement(element) then
		return false
	end

	local elemX, elemY, elemZ = getElementPosition(element)
	if not elemX or not elemY or not elemZ then
		return false
	end

	local maxDist = radius

	--
	local realDistance = (maxDist / elementDiameter) * camDistance
	local camX, camY, camZ, cameraLookX, cameraLookY, cameraLookZ = getCameraMatrix()
	--we move backwards from the camera angle, invert the vector
	local distance = getDistanceBetweenPoints3D(camX, camY, camZ, cameraLookX, cameraLookY, cameraLookZ)
	local vectorX = camX - cameraLookX
	local vectorY = camY - cameraLookY
	local vectorZ = camZ - cameraLookZ
	local ratio = realDistance / distance
	vectorX = vectorX * ratio
	vectorY = vectorY * ratio
	vectorZ = vectorZ * ratio
	-- calculate a camera position based on the current position and an offset based on the new vector
	local camPosX = elemX + vectorX
	local camPosY = elemY + vectorY
	local camPosZ = elemZ + vectorZ
	return setCameraMatrix(camPosX, camPosY, camPosZ, elemX, elemY, elemZ)
end