From 8281fd903f12759da08481f4b4bdbdb87dd3606f Mon Sep 17 00:00:00 2001
From: Andrei Kortunov <andrei.kortunov@yandex.ru>
Date: Thu, 19 Jul 2018 20:17:32 +0400
Subject: [PATCH] Set movement speed to 0 when unconscious (bug #4519)

---
 CHANGELOG.md                     | 1 +
 apps/openmw/mwclass/creature.cpp | 3 +++
 apps/openmw/mwclass/npc.cpp      | 8 ++++++--
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c50bc05ae..b1f00cccd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -68,6 +68,7 @@
     Bug #4497: File names starting with x or X are not classified as animation
     Bug #4503: Cast and ExplodeSpell commands increase alteration skill
     Bug #4510: Division by zero in MWMechanics::CreatureStats::setAttribute
+    Bug #4519: Knockdown does not discard movement in the 1st-person mode
     Feature #2606: Editor: Implemented (optional) case sensitive global search
     Feature #3083: Play animation when NPC is casting spell via script
     Feature #3276: Editor: Search- Show number of (remaining) search results and indicate a search without any results
diff --git a/apps/openmw/mwclass/creature.cpp b/apps/openmw/mwclass/creature.cpp
index a07a5c893..be143bb46 100644
--- a/apps/openmw/mwclass/creature.cpp
+++ b/apps/openmw/mwclass/creature.cpp
@@ -519,6 +519,9 @@ namespace MWClass
     float Creature::getSpeed(const MWWorld::Ptr &ptr) const
     {
         MWMechanics::CreatureStats& stats = getCreatureStats(ptr);
+        if (stats.isParalyzed() || stats.getKnockedDown() || stats.isDead())
+            return 0.f;
+
         const GMST& gmst = getGmst();
 
         float walkSpeed = gmst.fMinWalkSpeedCreature->getFloat() + 0.01f * stats.getAttribute(ESM::Attribute::Speed).getModified()
diff --git a/apps/openmw/mwclass/npc.cpp b/apps/openmw/mwclass/npc.cpp
index 0becb18df..b08542e67 100644
--- a/apps/openmw/mwclass/npc.cpp
+++ b/apps/openmw/mwclass/npc.cpp
@@ -925,6 +925,10 @@ namespace MWClass
 
     float Npc::getSpeed(const MWWorld::Ptr& ptr) const
     {
+        const MWMechanics::CreatureStats& stats = ptr.getClass().getCreatureStats(ptr);
+        if (stats.isParalyzed() || stats.getKnockedDown() || stats.isDead())
+            return 0.f;
+
         const MWBase::World *world = MWBase::Environment::get().getWorld();
         const GMST& gmst = getGmst();
 
@@ -933,8 +937,8 @@ namespace MWClass
 
         const float normalizedEncumbrance = getNormalizedEncumbrance(ptr);
 
-        bool sneaking = ptr.getClass().getCreatureStats(ptr).getStance(MWMechanics::CreatureStats::Stance_Sneak);
-        bool running = ptr.getClass().getCreatureStats(ptr).getStance(MWMechanics::CreatureStats::Stance_Run);
+        bool sneaking = stats.getStance(MWMechanics::CreatureStats::Stance_Sneak);
+        bool running = stats.getStance(MWMechanics::CreatureStats::Stance_Run);
 
         float walkSpeed = gmst.fMinWalkSpeed->getFloat() + 0.01f*npcdata->mNpcStats.getAttribute(ESM::Attribute::Speed).getModified()*
                                                       (gmst.fMaxWalkSpeed->getFloat() - gmst.fMinWalkSpeed->getFloat());