Addition camera features: move360, pov_auto_switch, slow_view_change

files/data/CMakeLists.txt

@@ -26,6 +26,8 @@ set(BUILTIN_DATA_FILES
     scripts/omw/camera/head_bobbing.lua
     scripts/omw/camera/third_person.lua
     scripts/omw/camera/settings.lua
+    scripts/omw/camera/move360.lua
+    scripts/omw/camera/first_person_auto_switch.lua
     scripts/omw/console/player.lua
     scripts/omw/console/global.lua
     scripts/omw/console/local.lua

files/data/l10n/OMWCamera/en.yaml

@@ -1,5 +1,5 @@
-Camera: "Camera"
-settingsPageDescription: "OpenMW camera settings"
+Camera: "OpenMW Camera"
+settingsPageDescription: "OpenMW Camera settings"
 
 thirdPersonSettings: "Third person mode"
 
@@ -42,6 +42,19 @@ ignoreNC: "Ignore 'No Collision' flag"
 ignoreNCDescription: >
     Prevents camera from clipping through the objects with the NC (No Collision) NIF flag.
 
+move360: "Move 360"
+move360Description: >
+    When without weapon in hands the character rotates to the direction of movement. I.e. looks to the camera when run backwards.
+
+move360TurnSpeed: "Move 360 turning speed"
+move360TurnSpeedDescription: A multiplier for the turning speed (5.0 by default)
+
+slowViewChange: "Smooth view change"
+slowViewChangeDescription: "Makes switching from 1st person to 3rd person view not instant."
+
+povAutoSwitch: "First person auto switch"
+povAutoSwitchDescription: "Auto switch to 1st person view if there is an obstacle right behind the player."
+
 
 headBobbingSettings: "Head bobbing in first person view"
 

files/data/scripts/omw/camera/camera.lua

@@ -11,11 +11,14 @@ local Actor = require('openmw.types').Actor
 local settings = require('scripts.omw.camera.settings').thirdPerson
 local head_bobbing = require('scripts.omw.camera.head_bobbing')
 local third_person = require('scripts.omw.camera.third_person')
+local pov_auto_switch = require('scripts.omw.camera.first_person_auto_switch')
+local move360 = require('scripts.omw.camera.move360')
 
 local MODE = camera.MODE
 
 local previewIfStandStill = false
 local showCrosshairInThirdPerson = false
+local slowViewChange = false
 
 local function updateSettings()
     previewIfStandStill = settings:get('previewIfStandStill')
@@ -27,6 +30,10 @@ local function updateSettings()
         collisionType = util.bitOr(collisionType, nearby.COLLISION_TYPE.VisualOnly)
     end
     camera.setCollisionType(collisionType)
+    move360.enabled = settings:get('move360')
+    move360.turnSpeed = settings:get('move360TurnSpeed')
+    pov_auto_switch.enabled = settings:get('povAutoSwitch')
+    slowViewChange = settings:get('slowViewChange')
 end
 
 local primaryMode
@@ -167,6 +174,7 @@ local function onUpdate(dt)
     camera.setExtraRoll(0)
     camera.setFirstPersonOffset(util.vector3(0, 0, 0))
     updateSmoothedSpeed(dt)
+    pov_auto_switch.onUpdate(dt)
 end
 
 local function onFrame(dt)
@@ -188,6 +196,12 @@ local function onFrame(dt)
     applyControllerZoom(dt)
     third_person.update(dt, smoothedSpeed)
     if noHeadBobbing == 0 then head_bobbing.update(dt, smoothedSpeed) end
+    if slowViewChange then
+        local maxIncrease = dt * (100 + third_person.baseDistance)
+        camera.setPreferredThirdPersonDistance(
+            math.min(camera.getThirdPersonDistance() + maxIncrease, third_person.preferredDistance))
+    end
+    move360.onFrame(dt)
 end
 
 return {
@@ -255,6 +269,7 @@ return {
             elseif action == input.ACTION.ZoomOut then
                 zoom(-10)
             end
+            move360.onInputAction(action)
         end,
         onActive = init,
         onLoad = function(data)
@@ -265,4 +280,3 @@ return {
         end,
     },
 }
-

files/data/scripts/omw/camera/first_person_auto_switch.lua

@@ -0,0 +1,52 @@
+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.z)) < 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

files/data/scripts/omw/camera/move360.lua

@@ -0,0 +1,73 @@
+local core = require('openmw.core')
+local camera = require('openmw.camera')
+local input = require('openmw.input')
+local self = require('openmw.self')
+local util = require('openmw.util')
+local I = require('openmw.interfaces')
+
+local Actor = require('openmw.types').Actor
+
+local MODE = camera.MODE
+
+local active = false
+
+local M = {
+    enabled = false,
+    turnSpeed = 5,
+}
+
+local function turnOn()
+    I.Camera.disableStandingPreview()
+    active = true
+end
+
+local function turnOff()
+    I.Camera.enableStandingPreview()
+    active = false
+    if camera.getMode() == MODE.Preview then
+        camera.setMode(MODE.ThirdPerson)
+    end
+end
+
+function M.onFrame(dt)
+    if core.isWorldPaused() then return end
+    local newActive = M.enabled and Actor.stance(self) == Actor.STANCE.Nothing
+    if newActive and not active then
+        turnOn()
+    elseif not newActive and active then
+        turnOff()
+    end
+    if not active then return end
+    if camera.getMode() == MODE.Static then return end
+    if camera.getMode() == MODE.ThirdPerson then camera.setMode(MODE.Preview) end
+    if camera.getMode() == MODE.Preview and not input.isActionPressed(input.ACTION.TogglePOV) then
+        camera.showCrosshair(camera.getFocalPreferredOffset():length() > 5)
+        local move = util.vector2(self.controls.sideMovement, self.controls.movement)
+        local yawDelta = camera.getYaw() - self.rotation.z
+        move = move:rotate(-yawDelta)
+        self.controls.sideMovement = move.x
+        self.controls.movement = move.y
+        self.controls.pitchChange = camera.getPitch() * math.cos(yawDelta) - self.rotation.x
+        if move:length() > 0.05 then
+            local delta = math.atan2(move.x, move.y)
+            local maxDelta = math.max(delta, 1) * M.turnSpeed * dt
+            self.controls.yawChange = util.clamp(delta, -maxDelta, maxDelta)
+        else
+            self.controls.yawChange = 0
+        end
+    end
+end
+
+function M.onInputAction(action)
+    if not active or core.isWorldPaused() then return end
+    if action == input.ACTION.ZoomIn and camera.getMode() == MODE.Preview
+       and I.Camera.getBaseThirdPersonDistance() == 30 then
+        self.controls.yawChange = camera.getYaw() - self.rotation.z
+        camera.setMode(MODE.FirstPerson)
+    elseif action == input.ACTION.ZoomOut and camera.getMode() == MODE.FirstPerson then
+        camera.setMode(MODE.Preview)
+        I.Camera.setBaseThirdPersonDistance(30)
+    end
+end
+
+return M

files/data/scripts/omw/camera/settings.lua

@@ -48,6 +48,10 @@ I.Settings.registerGroup({
         boolSetting('', 'previewIfStandStill', true),
         boolSetting('', 'deferredPreviewRotation', true),
         boolSetting('', 'ignoreNC', true),
+        boolSetting('', 'move360', false),
+        floatSetting('', 'move360TurnSpeed', 5),
+        boolSetting('', 'slowViewChange', false),
+        boolSetting('', 'povAutoSwitch', false),
     },
 })
 
@@ -72,11 +76,14 @@ local settings = {
 }
 
 local function updateViewOverShoulderDisabled()
-    local disabled = not settings.thirdPerson:get('viewOverShoulder')
-    I.Settings.updateRendererArgument(thirdPersonGroup, 'shoulderOffsetX', {disabled = disabled})
-    I.Settings.updateRendererArgument(thirdPersonGroup, 'shoulderOffsetY', {disabled = disabled})
-    I.Settings.updateRendererArgument(thirdPersonGroup, 'autoSwitchShoulder', {disabled = disabled})
-    I.Settings.updateRendererArgument(thirdPersonGroup, 'zoomOutWhenMoveCoef', {disabled = disabled})
+    local shoulderDisabled = not settings.thirdPerson:get('viewOverShoulder')
+    I.Settings.updateRendererArgument(thirdPersonGroup, 'shoulderOffsetX', {disabled = shoulderDisabled})
+    I.Settings.updateRendererArgument(thirdPersonGroup, 'shoulderOffsetY', {disabled = shoulderDisabled})
+    I.Settings.updateRendererArgument(thirdPersonGroup, 'autoSwitchShoulder', {disabled = shoulderDisabled})
+    I.Settings.updateRendererArgument(thirdPersonGroup, 'zoomOutWhenMoveCoef', {disabled = shoulderDisabled})
+
+    local move360Disabled = not settings.thirdPerson:get('move360')
+    I.Settings.updateRendererArgument(thirdPersonGroup, 'move360TurnSpeed', {disabled = move360Disabled})
 end
 
 local function updateHeadBobbingDisabled()