Merge remote-tracking branch 'glorf/acrobatics'

apps/openmw/mwbase/world.hpp

@@ -314,6 +314,7 @@ namespace MWBase
             virtual bool isSwimming(const MWWorld::Ptr &object) const = 0;
             virtual bool isUnderwater(const MWWorld::Ptr::CellStore* cell, const Ogre::Vector3 &pos) const = 0;
             virtual bool isOnGround(const MWWorld::Ptr &ptr) const = 0;
+            virtual bool isGravity(const MWWorld::Ptr &ptr) const = 0;
 
             virtual void togglePOV() = 0;
             virtual void togglePreviewMode(bool enable) = 0;

apps/openmw/mwclass/npc.cpp

@@ -470,6 +470,34 @@ namespace MWClass
         return x;
     }
 
+    float Npc::getFallDamage(const MWWorld::Ptr &ptr, float fallHeight) const
+    {
+        const float fallDistanceMin = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find ("fFallDamageDistanceMin")->getFloat();
+
+        if(fallHeight>=fallDistanceMin)
+        {
+            const float acrobaticsSkill = MWWorld::Class::get(ptr).getNpcStats (ptr).getSkill (ESM::Skill::Acrobatics).getModified();
+            const CustomData *npcdata = static_cast<const CustomData*>(ptr.getRefData().getCustomData());
+            const float jumpSpellBonus = npcdata->mCreatureStats.getMagicEffects().get(MWMechanics::EffectKey(9/*jump*/)).mMagnitude;
+            const float fallAcroBase = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find ("fFallAcroBase")->getFloat();
+            const float fallAcroMult = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find ("fFallAcroMult")->getFloat();
+            const float fallDistanceBase = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find ("fFallDistanceBase")->getFloat();
+            const float fallDistanceMult = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find ("fFallDistanceMult")->getFloat();
+
+            float x = fallHeight - fallDistanceMin;
+            x -= (1.5 * acrobaticsSkill) + jumpSpellBonus;
+            x = std::max(0.0f, x);
+
+            float a = fallAcroBase + (fallAcroMult * (100 - acrobaticsSkill));
+            x = fallDistanceBase + (fallDistanceMult * x);
+            x *= a;
+
+            return x;
+        }
+
+        return 0;
+    }
+
     MWMechanics::Movement& Npc::getMovementSettings (const MWWorld::Ptr& ptr) const
     {
         ensureCustomData (ptr);

apps/openmw/mwclass/npc.hpp

@@ -91,6 +91,9 @@ namespace MWClass
             virtual float getJump(const MWWorld::Ptr &ptr) const;
             ///< Return jump velocity (not accounting for movement)
 
+            virtual float getFallDamage(const MWWorld::Ptr &ptr, float fallHeight) const;
+            ///< Return amount of health points lost when falling
+
             virtual MWMechanics::Movement& getMovementSettings (const MWWorld::Ptr& ptr) const;
             ///< Return desired movement.
 

apps/openmw/mwmechanics/character.cpp

@@ -31,6 +31,9 @@
 #include "../mwworld/player.hpp"
 #include "../mwworld/class.hpp"
 
+#include "../mwmechanics/stat.hpp"
+#include "../mwmechanics/creaturestats.hpp"
+#include "../mwmechanics/npcstats.hpp"
 
 namespace MWMechanics
 {
@@ -104,7 +107,8 @@ static void getStateInfo(CharacterState state, std::string *group)
 
 
 CharacterController::CharacterController(const MWWorld::Ptr &ptr, MWRender::Animation *anim, CharacterState state, bool loop)
-    : mPtr(ptr), mAnimation(anim), mCharState(state), mSkipAnim(false), mMovingAnim(false), mSecondsOfRunning(0), mSecondsOfSwimming(0)
+    : mPtr(ptr), mAnimation(anim), mCharState(state), mSkipAnim(false), mMovingAnim(false), 
+    mSecondsOfRunning(0), mSecondsOfSwimming(0), mFallDistance(0), mLastHeight(0)
 {
     if(!mAnimation)
         return;
@@ -146,6 +150,7 @@ void CharacterController::update(float duration, Movement &movement)
         const MWWorld::Class &cls = MWWorld::Class::get(mPtr);
 
         bool onground = world->isOnGround(mPtr);
+        bool gravity = world->isGravity(mPtr);
         bool inwater = world->isSwimming(mPtr);
         bool isrunning = cls.getStance(mPtr, MWWorld::Class::Run);
         bool sneak = cls.getStance(mPtr, MWWorld::Class::Sneak);
@@ -153,6 +158,36 @@ void CharacterController::update(float duration, Movement &movement)
         const Ogre::Vector3 &rot = cls.getRotationVector(mPtr);
         speed = cls.getSpeed(mPtr);
 
+        //player is falling down
+        if(!onground && gravity && mLastHeight>mPtr.getRefData().getPosition().pos[2])
+            mFallDistance+=(mLastHeight-mPtr.getRefData().getPosition().pos[2]);
+
+        //player just finished falling
+        if(onground && gravity && mFallDistance>0)
+        {
+            float healthLost = cls.getFallDamage(mPtr, mFallDistance);
+
+            if(healthLost>0.0f)
+            {
+                DynamicStat<float> health = cls.getCreatureStats(mPtr).getHealth();
+                int current = health.getCurrent();
+                float realHealthLost = healthLost * (1.0f - (0.25 * 1.25f/*fatigueTerm*/));
+                health.setModified (health.getModified()-static_cast<int>(realHealthLost), 0);
+                health.setCurrent (current-static_cast<int>(realHealthLost));
+                cls.getCreatureStats(mPtr).setHealth (health);
+                MWWorld::Class::get(mPtr).skillUsageSucceeded(mPtr, ESM::Skill::Acrobatics, 1);
+
+                const float acrobaticsSkill = cls.getNpcStats (mPtr).getSkill (ESM::Skill::Acrobatics).getModified();
+                if(acrobaticsSkill*1.25f/*fatigueTerm*/<healthLost)
+                {
+                    //TODO: actor falls over
+                }
+            }
+
+            setState(CharState_Idle, true);
+            mFallDistance=0;
+        }
+
         // advance athletics
         if (vec.squaredLength() > 0 && mPtr == MWBase::Environment::get().getWorld()->getPlayer().getPlayer())
         {
@@ -176,10 +211,25 @@ void CharacterController::update(float duration, Movement &movement)
             }
         }
 
-        /* FIXME: The state should be set to Jump, and X/Y movement should be disallowed except
-         * for the initial thrust (which would be carried by "physics" until landing). */
-        if(onground && vec.z > 0.0f)
+        // FIXME: X/Y movement should be disallowed except for the initial thrust (which would be carried by "physics" until landing).
+        if(onground && gravity && vec.z > 0.0f)
         {
+            //Advance acrobatics on jump, decrease fatigue
+            if(getState()!=CharState_Jump)
+            {
+                setState(CharState_Jump, true);
+                MWWorld::Class::get(mPtr).skillUsageSucceeded(mPtr, ESM::Skill::Acrobatics, 0);
+
+                const float normalizedEncumbrance = cls.getEncumbrance(mPtr) / cls.getCapacity(mPtr);
+                const float fatigueJumpBase = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find ("fFatigueJumpBase")->getFloat();
+                const float fatigueJumpMult = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find ("fFatigueJumpMult")->getFloat();
+                DynamicStat<float> fatigue = cls.getCreatureStats(mPtr).getDynamic(2);
+                int current = fatigue.getCurrent();
+                fatigue.setModified(fatigue.getModified()-static_cast<int>(fatigueJumpBase + ((1 - normalizedEncumbrance) * fatigueJumpMult)), 0);
+                fatigue.setCurrent(current-static_cast<int>(fatigueJumpBase + ((1 - normalizedEncumbrance) * fatigueJumpMult)));
+                cls.getCreatureStats(mPtr).setDynamic (2, fatigue);
+            }
+
             float x = cls.getJump(mPtr);
 
             if(vec.x == 0 && vec.y == 0)
@@ -192,8 +242,6 @@ void CharacterController::update(float duration, Movement &movement)
                 //movement += Ogre::Vector3(lat.x, lat.y, 1.0f) * x * 0.707f * duration;
                 movement.mPosition[2] += x * 0.707f * duration;
             }
-
-            //decrease fatigue by fFatigueJumpBase + (1 - normalizedEncumbrance) * fFatigueJumpMult;
         }
 
         if(std::abs(vec.x/2.0f) > std::abs(vec.y) && speed > 0.0f)
@@ -260,6 +308,8 @@ void CharacterController::update(float duration, Movement &movement)
         movement.mPosition[2] += moved.z;
     }
     mSkipAnim = false;
+
+    mLastHeight = mPtr.getRefData().getPosition().pos[2];
 }
 
 

apps/openmw/mwmechanics/character.hpp

@@ -83,6 +83,9 @@ class CharacterController
     float mSecondsOfSwimming;
     float mSecondsOfRunning;
 
+    float mFallDistance;
+    float mLastHeight;
+
     bool mMovingAnim;
 
 public:

apps/openmw/mwworld/class.cpp

@@ -132,6 +132,11 @@ namespace MWWorld
         return 0;
     }
 
+    float Class::getFallDamage(const MWWorld::Ptr &ptr, float fallHeight) const
+    {
+        return 0;
+    }
+
     float Class::getEnchantmentPoints (const MWWorld::Ptr& ptr) const
     {
         throw std::runtime_error ("class does not support enchanting");

apps/openmw/mwworld/class.hpp

@@ -146,6 +146,9 @@ namespace MWWorld
             virtual float getJump(const MWWorld::Ptr &ptr) const;
             ///< Return jump velocity (not accounting for movement)
 
+            virtual float getFallDamage(const MWWorld::Ptr &ptr, float fallHeight) const;
+            ///< Return amount of health points lost when falling
+
             virtual MWMechanics::Movement& getMovementSettings (const Ptr& ptr) const;
             ///< Return desired movement.
 

apps/openmw/mwworld/worldimp.cpp

@@ -1493,6 +1493,13 @@ namespace MWWorld
         return physactor && physactor->getOnGround();
     }
 
+    bool World::isGravity(const MWWorld::Ptr &ptr) const
+    {
+        RefData &refdata = ptr.getRefData();
+        const OEngine::Physic::PhysicActor *physactor = mPhysEngine->getCharacter(refdata.getHandle());
+        return physactor && physactor->getCollisionMode();
+    }
+
     bool World::vanityRotateCamera(float * rot)
     {
         return mRendering->vanityRotateCamera(rot);

apps/openmw/mwworld/worldimp.hpp

@@ -346,6 +346,7 @@ namespace MWWorld
             virtual bool isSwimming(const MWWorld::Ptr &object) const;
             virtual bool isUnderwater(const MWWorld::Ptr::CellStore* cell, const Ogre::Vector3 &pos) const;
             virtual bool isOnGround(const MWWorld::Ptr &ptr) const;
+            virtual bool isGravity(const MWWorld::Ptr &ptr) const;
 
             virtual void togglePOV() {
                 mRendering->togglePOV();

libs/openengine/bullet/physic.cpp

@@ -143,7 +143,7 @@ namespace Physic
 
     bool PhysicActor::getOnGround() const
     {
-        return collisionMode && onGround;
+        return onGround;
     }
 
     ////////////////////////////////////////////////////////////////////////////////////////////////////////////////