From 065d6a391d8eab6d35baf87f42a15e37f109ff5e Mon Sep 17 00:00:00 2001
From: Allofich <rickywd@gmail.com>
Date: Mon, 6 Jun 2016 01:14:17 +0900
Subject: [PATCH] Don't repeat sequences of only one non-wander AI

---
 apps/openmw/mwmechanics/aipackage.cpp  |  2 +-
 apps/openmw/mwmechanics/aipackage.hpp  |  3 +--
 apps/openmw/mwmechanics/aisequence.cpp | 23 +++++++++++++++++++++--
 apps/openmw/mwmechanics/aisequence.hpp |  3 +++
 4 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/apps/openmw/mwmechanics/aipackage.cpp b/apps/openmw/mwmechanics/aipackage.cpp
index b08f92276..aefb39f6b 100644
--- a/apps/openmw/mwmechanics/aipackage.cpp
+++ b/apps/openmw/mwmechanics/aipackage.cpp
@@ -47,7 +47,7 @@ bool MWMechanics::AiPackage::shouldCancelPreviousAi() const
 
 bool MWMechanics::AiPackage::getRepeat() const
 {
-    return true;
+    return false;
 }
 
 MWMechanics::AiPackage::AiPackage() : mTimer(0.26f), mStarted(false) { //mTimer starts at .26 to force initial pathbuild
diff --git a/apps/openmw/mwmechanics/aipackage.hpp b/apps/openmw/mwmechanics/aipackage.hpp
index 0cf285479..fb862189d 100644
--- a/apps/openmw/mwmechanics/aipackage.hpp
+++ b/apps/openmw/mwmechanics/aipackage.hpp
@@ -87,8 +87,7 @@ namespace MWMechanics
             /// Upon adding this Ai package, should the Ai Sequence attempt to cancel previous Ai packages (default true)?
             virtual bool shouldCancelPreviousAi() const;
 
-            /// Return true if this package should repeat. Can only be false for AIWander, if AIWander is assigned
-            /// assigned through the console or script.
+            /// Return true if this package should repeat. Currently only used for Wander packages.
             virtual bool getRepeat() const;
 
             bool isTargetMagicallyHidden(const MWWorld::Ptr& target);
diff --git a/apps/openmw/mwmechanics/aisequence.cpp b/apps/openmw/mwmechanics/aisequence.cpp
index 11f390854..412df3742 100644
--- a/apps/openmw/mwmechanics/aisequence.cpp
+++ b/apps/openmw/mwmechanics/aisequence.cpp
@@ -29,13 +29,14 @@ void AiSequence::copy (const AiSequence& sequence)
         mPackages.push_back ((*iter)->clone());
 }
 
-AiSequence::AiSequence() : mDone (false), mLastAiPackage(-1) {}
+AiSequence::AiSequence() : mDone (false), mRepeat(false), mLastAiPackage(-1) {}
 
 AiSequence::AiSequence (const AiSequence& sequence)
 {
     copy (sequence);
     mDone = sequence.mDone;
     mLastAiPackage = sequence.mLastAiPackage;
+    mRepeat = sequence.mRepeat;
 }
 
 AiSequence& AiSequence::operator= (const AiSequence& sequence)
@@ -231,7 +232,7 @@ void AiSequence::execute (const MWWorld::Ptr& actor, CharacterController& charac
         if (package->execute (actor,characterController,state,duration))
         {
             // Put repeating noncombat AI packages on the end of the stack so they can be used again
-            if (isActualAiPackage(packageTypeId) && package->getRepeat())
+            if (isActualAiPackage(packageTypeId) && (mRepeat || package->getRepeat()))
             {
                 mPackages.push_back(package->clone());
             }
@@ -292,6 +293,7 @@ void AiSequence::stack (const AiPackage& package, const MWWorld::Ptr& actor)
             else
                 ++it;
         }
+        mRepeat=false;
     }
 
     // insert new package in correct place depending on priority
@@ -317,6 +319,10 @@ AiPackage* MWMechanics::AiSequence::getActivePackage()
 
 void AiSequence::fill(const ESM::AIPackageList &list)
 {
+    // If there is more than one package in the list, enable repeating
+    if (!list.mList.empty() && list.mList.begin() != (list.mList.end()-1))
+        mRepeat = true;
+
     for (std::vector<ESM::AIPackage>::const_iterator it = list.mList.begin(); it != list.mList.end(); ++it)
     {
         MWMechanics::AiPackage* package;
@@ -366,6 +372,19 @@ void AiSequence::readState(const ESM::AiSequence::AiSequence &sequence)
     if (!sequence.mPackages.empty())
         clear();
 
+    // If there is more than one non-combat, non-pursue package in the list, enable repeating.
+    int count = 0;
+    for (std::vector<ESM::AiSequence::AiPackageContainer>::const_iterator it = sequence.mPackages.begin();
+         it != sequence.mPackages.end(); ++it)
+    {    
+        if (isActualAiPackage(it->mType))
+            count++;
+    }
+
+    if (count > 1)
+        mRepeat = true;
+
+    // Load packages
     for (std::vector<ESM::AiSequence::AiPackageContainer>::const_iterator it = sequence.mPackages.begin();
          it != sequence.mPackages.end(); ++it)
     {
diff --git a/apps/openmw/mwmechanics/aisequence.hpp b/apps/openmw/mwmechanics/aisequence.hpp
index 1eefe7c69..0c200c26b 100644
--- a/apps/openmw/mwmechanics/aisequence.hpp
+++ b/apps/openmw/mwmechanics/aisequence.hpp
@@ -40,6 +40,9 @@ namespace MWMechanics
             ///Finished with top AIPackage, set for one frame
             bool mDone;
 
+            ///Does this AI sequence repeat (repeating of Wander packages handled separately)
+            bool mRepeat;
+
             ///Copy AiSequence
             void copy (const AiSequence& sequence);