From 773669e69bc42b3f25df4d9612b4d71fd2e6da60 Mon Sep 17 00:00:00 2001
From: Petr Mikheev <ptmikheev@gmail.com>
Date: Thu, 25 May 2023 01:39:51 +0200
Subject: [PATCH] Add Lua script to handler ESM4 doors with Flag_AutomaticDoor

---
 apps/openmw/mwlua/types/door.cpp              |  2 +
 apps/openmw/mwlua/worldview.cpp               |  2 +-
 files/data/CMakeLists.txt                     |  1 +
 files/data/builtin.omwscripts                 |  1 +
 .../omw/mechanics/playercontroller.lua        | 46 +++++++++++++++++++
 5 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 files/data/scripts/omw/mechanics/playercontroller.lua

diff --git a/apps/openmw/mwlua/types/door.cpp b/apps/openmw/mwlua/types/door.cpp
index e537f7c377..f13952a6b5 100644
--- a/apps/openmw/mwlua/types/door.cpp
+++ b/apps/openmw/mwlua/types/door.cpp
@@ -106,5 +106,7 @@ namespace MWLua
         record["model"] = sol::readonly_property([vfs](const ESM4::Door& rec) -> std::string {
             return Misc::ResourceHelpers::correctMeshPath(rec.mModel, vfs);
         });
+        record["isAutomatic"] = sol::readonly_property(
+            [](const ESM4::Door& rec) -> bool { return rec.mDoorFlags & ESM4::Door::Flag_AutomaticDoor; });
     }
 }
diff --git a/apps/openmw/mwlua/worldview.cpp b/apps/openmw/mwlua/worldview.cpp
index f5699dff89..6d8c01c56d 100644
--- a/apps/openmw/mwlua/worldview.cpp
+++ b/apps/openmw/mwlua/worldview.cpp
@@ -47,7 +47,7 @@ namespace MWLua
             return &mActivatorsInScene;
         if (cls.isActor())
             return &mActorsInScene;
-        if (cls.isDoor())
+        if (ptr.mRef->getType() == ESM::REC_DOOR || ptr.mRef->getType() == ESM::REC_DOOR4)
             return &mDoorsInScene;
         if (typeid(cls) == typeid(MWClass::Container))
             return &mContainersInScene;
diff --git a/files/data/CMakeLists.txt b/files/data/CMakeLists.txt
index bc6d4b0055..eb61f3c118 100644
--- a/files/data/CMakeLists.txt
+++ b/files/data/CMakeLists.txt
@@ -74,6 +74,7 @@ set(BUILTIN_DATA_FILES
     scripts/omw/console/player.lua
     scripts/omw/console/global.lua
     scripts/omw/console/local.lua
+    scripts/omw/mechanics/playercontroller.lua
     scripts/omw/playercontrols.lua
     scripts/omw/settings/player.lua
     scripts/omw/settings/global.lua
diff --git a/files/data/builtin.omwscripts b/files/data/builtin.omwscripts
index 46a1f3f32f..cbc94496cd 100644
--- a/files/data/builtin.omwscripts
+++ b/files/data/builtin.omwscripts
@@ -7,6 +7,7 @@ PLAYER: scripts/omw/settings/player.lua
 
 # Mechanics
 GLOBAL: scripts/omw/activationhandlers.lua
+PLAYER: scripts/omw/mechanics/playercontroller.lua
 PLAYER: scripts/omw/playercontrols.lua
 PLAYER: scripts/omw/camera/camera.lua
 NPC,CREATURE: scripts/omw/ai.lua
diff --git a/files/data/scripts/omw/mechanics/playercontroller.lua b/files/data/scripts/omw/mechanics/playercontroller.lua
new file mode 100644
index 0000000000..19e62d02c7
--- /dev/null
+++ b/files/data/scripts/omw/mechanics/playercontroller.lua
@@ -0,0 +1,46 @@
+local core = require('openmw.core')
+local nearby = require('openmw.nearby')
+local self = require('openmw.self')
+local types = require('openmw.types')
+
+local cell = nil
+local autodoors = {}
+
+local function onCellChange()
+    autodoors = {}
+    for _, door in ipairs(nearby.doors) do
+        if door.type == types.ESM4Door and types.ESM4Door.record(door).isAutomatic then
+            autodoors[#autodoors + 1] = door
+        end
+    end
+end
+
+local autodoorActivationDist = 300
+
+local lastAutoActivation = 0
+local function processAutomaticDoors()
+    if core.getRealTime() - lastAutoActivation < 2 then
+        return
+    end
+    for _, door in ipairs(autodoors) do
+        if door.enabled and (door.position - self.position):length() < autodoorActivationDist then
+            print('Automatic activation of', door)
+            door:activateBy(self)
+            lastAutoActivation = core.getRealTime()
+        end
+    end
+end
+
+local function onUpdate()
+    if self.cell ~= cell then
+        cell = self.cell
+        onCellChange()
+    end
+    processAutomaticDoors()
+end
+
+return {
+    engineHandlers = {
+        onUpdate = onUpdate,
+    },
+}