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local camera = require('openmw.camera')
local util = require('openmw.util')
local nearby = require('openmw.nearby')
local self = require('openmw.self')
local forcedFirstPerson = false
local limitSwitch = 40
local limitReturn = 65
local rayOptions = {collisionType = nearby.COLLISION_TYPE.Default - nearby.COLLISION_TYPE.Actor}
local function castRayBackward()
local from = camera.getTrackedPosition()
local orient = util.transform.rotateZ(camera.getYaw()) * util.transform.rotateX(camera.getPitch())
local resLeft = nearby.castRay(from, from + orient * util.vector3(-30, -limitReturn, 0), rayOptions)
local resRight = nearby.castRay(from, from + orient * util.vector3(30, -limitReturn, 0), rayOptions)
local distLeft = limitReturn + 1
local distRight = limitReturn + 1
if resLeft.hit then distLeft = (resLeft.hitPos - from):length() end
if resRight.hit then distRight = (resRight.hitPos - from):length() end
return math.min(distLeft, distRight)
end
local M = {
enabled = false,
}
function M.onUpdate(dt)
if camera.getMode() ~= camera.MODE.FirstPerson then forcedFirstPerson = false end
if not M.enabled then
if forcedFirstPerson then
camera.setMode(camera.MODE.ThirdPerson, false)
forcedFirstPerson = false
end
return
end
if camera.getMode() == camera.MODE.ThirdPerson and camera.getThirdPersonDistance() < limitSwitch
and math.abs(util.normalizeAngle(camera.getYaw() - self.rotation:getYaw())) < math.rad(10) then
if castRayBackward() <= limitSwitch then
camera.setMode(camera.MODE.FirstPerson, true)
forcedFirstPerson = true
end
return
end
if forcedFirstPerson then
if castRayBackward() > limitReturn then
camera.setMode(camera.MODE.ThirdPerson, false)
forcedFirstPerson = false
end
end
end
return M
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