[Lua] Rename onInputUpdate -> onFrame and call it even when the game is on pause (#6745)

apps/openmw/mwlua/luabindings.cpp

@@ -41,7 +41,7 @@ namespace MWLua
     {
         auto* lua = context.mLua;
         sol::table api(lua->sol(), sol::create);
-        api["API_REVISION"] = 21;
+        api["API_REVISION"] = 22;
         api["quit"] = [lua]()
         {
             Log(Debug::Warning) << "Quit requested by a Lua script.\n" << lua->debugTraceback();

apps/openmw/mwlua/luamanagerimp.cpp

@@ -234,8 +234,8 @@ namespace MWLua
                 playerScripts->processInputEvent(event);
         }
         mInputEvents.clear();
-        if (playerScripts && !mWorldView.isPaused())
+        if (playerScripts)
-            playerScripts->inputUpdate(MWBase::Environment::get().getFrameDuration());
+            playerScripts->onFrame(mWorldView.isPaused() ? 0.0 : MWBase::Environment::get().getFrameDuration());
         mProcessingInputEvents = false;
 
         MWBase::WindowManager* windowManager = MWBase::Environment::get().getWindowManager();

apps/openmw/mwlua/playerscripts.hpp

@@ -20,7 +20,7 @@ namespace MWLua
             registerEngineHandlers({
                 &mConsoleCommandHandlers, &mKeyPressHandlers, &mKeyReleaseHandlers,
                 &mControllerButtonPressHandlers, &mControllerButtonReleaseHandlers,
-                &mActionHandlers, &mInputUpdateHandlers,
+                &mActionHandlers, &mOnFrameHandlers,
                 &mTouchpadPressed, &mTouchpadReleased, &mTouchpadMoved
             });
         }
@@ -57,7 +57,7 @@ namespace MWLua
             }
         }
 
-        void inputUpdate(float dt) { callEngineHandlers(mInputUpdateHandlers, dt); }
+        void onFrame(float dt) { callEngineHandlers(mOnFrameHandlers, dt); }
 
         bool consoleCommand(const std::string& consoleMode, const std::string& command, const sol::object& selectedObject)
         {
@@ -72,7 +72,7 @@ namespace MWLua
         EngineHandlerList mControllerButtonPressHandlers{"onControllerButtonPress"};
         EngineHandlerList mControllerButtonReleaseHandlers{"onControllerButtonRelease"};
         EngineHandlerList mActionHandlers{"onInputAction"};
-        EngineHandlerList mInputUpdateHandlers{"onInputUpdate"};
+        EngineHandlerList mOnFrameHandlers{"onFrame"};
         EngineHandlerList mTouchpadPressed{ "onTouchPress" };
         EngineHandlerList mTouchpadReleased{ "onTouchRelease" };
         EngineHandlerList mTouchpadMoved{ "onTouchMove" };

docs/source/reference/lua-scripting/engine_handlers.rst

@@ -15,8 +15,8 @@ Engine handler is a function defined by a script, that can be called by the engi
       | `assigned to a script in openmw-cs (not yet implemented).`
       | ``onInterfaceOverride`` can be called before ``onInit``.
   * - onUpdate(dt)
-    - | Called every frame if the game is not paused. `dt` is the time
+    - | Called every frame if the game is not paused. `dt` is
-      | from the last update in seconds.
+      | the simulation time from the last update in seconds.
   * - onSave() -> savedData
     - | Called when the game is saving. May be called in inactive state,
       | so it shouldn't use `openmw.nearby`.
@@ -69,9 +69,11 @@ Engine handler is a function defined by a script, that can be called by the engi
 .. list-table::
   :widths: 20 80
 
-  * - onInputUpdate(dt)
+  * - onFrame(dt)
-    - | Called every frame (if the game is not paused) right after
+    - | Called every frame (even if the game is paused) right after
-      | processing user input. Use it only for latency-critical stuff.
+      | processing user input. Use it only for latency-critical stuff
+      | and for UI that should work on pause.
+      | `dt` is simulation time delta (0 when on pause).
   * - onKeyPress(key)
     - | `Key <openmw_input.html##(KeyboardEvent)>`_ is pressed.
       | Usage example:

files/builtin_scripts/scripts/omw/camera.lua

@@ -155,7 +155,8 @@ local function onUpdate(dt)
     updateSmoothedSpeed(dt)
 end
 
-local function onInputUpdate(dt)
+local function onFrame(dt)
+    if core.isWorldPaused() then return end
     local mode = camera.getMode()
     if mode == MODE.FirstPerson or mode == MODE.ThirdPerson then
         primaryMode = mode
@@ -232,7 +233,7 @@ return {
     },
     engineHandlers = {
         onUpdate = onUpdate,
-        onInputUpdate = onInputUpdate,
+        onFrame = onFrame,
         onInputAction = function(action)
             if core.isWorldPaused() then return end
             if action == input.ACTION.ZoomIn then

files/lua_api/openmw/nearby.lua

@@ -74,7 +74,7 @@
 ---
 -- Cast ray from one point to another and find the first visual intersection with anything in the scene.
 -- As opposite to `castRay` can find an intersection with an object without collisions.
--- In order to avoid threading issues can be used only in player scripts only in `onInputUpdate` or
+-- In order to avoid threading issues can be used only in player scripts only in `onFrame` or
 -- in engine handlers for user input. In other cases use `asyncCastRenderingRay` instead.
 -- @function [parent=#nearby] castRenderingRay
 -- @param openmw.util#Vector3 from Start point of the ray.