Merge branch 'load_esm4' into 'master'

Activation handler for ESM4 Door

See merge request OpenMW/openmw!2915

files/data/scripts/omw/activationhandlers.lua

@@ -1,9 +1,27 @@
+local async = require('openmw.async')
 local types = require('openmw.types')
 local world = require('openmw.world')
 
+local EnableObject = async:registerTimerCallback('EnableObject', function(obj) obj.enabled = true end)
+
+local function ESM4DoorActivation(door, actor)
+    -- TODO: Implement lockpicking minigame
+    -- TODO: Play door opening animation and sound
+    local Door4 = types.ESM4Door
+    if Door4.isTeleport(door) then
+        actor:teleport(Door4.destCell(door), Door4.destPosition(door), Door4.destRotation(door))
+    else
+        door.enabled = false
+        async:newSimulationTimer(5, EnableObject, door)
+    end
+    return false -- disable activation handling in C++ mwmechanics code
+end
+
 local handlersPerObject = {}
 local handlersPerType = {}
 
+handlersPerType[types.ESM4Door] = { ESM4DoorActivation }
+
 local function onActivate(obj, actor)
     local handlers = handlersPerObject[obj.id]
     if handlers then