From 2ee0702d69728016593030e1b3a18d537563dab4 Mon Sep 17 00:00:00 2001
From: MrSimbax <simbaxlp@gmail.com>
Date: Sun, 9 Mar 2014 14:36:39 +0100
Subject: Made some improvements to fall damage from a61da740

Fall damage on:
- no energy
- overheat
Fall damage off:
- underwater
---
 src/physics/physics.cpp | 46 ++++++++++++++++++++++++++++++++++++++--------
 src/physics/physics.h   | 19 ++++++++++++++-----
 2 files changed, 52 insertions(+), 13 deletions(-)

diff --git a/src/physics/physics.cpp b/src/physics/physics.cpp
index 2ab7425..0d1c6fe 100644
--- a/src/physics/physics.cpp
+++ b/src/physics/physics.cpp
@@ -108,8 +108,8 @@ CPhysics::CPhysics(CObject* object)
     m_bForceUpdate = true;
     m_bLowLevel = false;
     m_fallingHeight = 0.0f;
-    m_fallDamageFraction = 0.0f;
-    m_minFallingHeight = 0.0f;
+    m_minFallingHeight = 20.0f;
+    m_fallDamageFraction = 0.007f;
 
     memset(&m_linMotion, 0, sizeof(Motion));
     memset(&m_cirMotion, 0,sizeof(Motion));
@@ -854,6 +854,7 @@ void CPhysics::MotorUpdate(float aTime, float rTime)
             else
             {
                 motorSpeed.y = -1.0f;  // grave
+                SetFalling();
             }
             SetMotor(false);
         }
@@ -915,15 +916,10 @@ void CPhysics::MotorUpdate(float aTime, float rTime)
             if ( m_reactorRange < 0.5f )  m_bLowLevel = true;
         }
 
-        m_minFallingHeight = 20.0f;
-        m_fallDamageFraction = 0.007f;
-
         if ( m_reactorRange == 0.0f )  // reactor tilt?
         {
             motorSpeed.y = -1.0f;  // grave
-
-            if (m_fallingHeight == 0.0f && m_floorHeight >= m_minFallingHeight)
-                m_fallingHeight = m_floorHeight;
+            SetFalling();
         }
     }
 
@@ -1522,6 +1518,7 @@ bool CPhysics::EventFrame(const Event &event)
         if ( pos.y < m_water->GetLevel(m_object) )  // underwater?
         {
             h *= 0.5f;
+            m_fallingHeight = 0.0f; // can't fall underwater
         }
 #endif
 //?     m_linMotion.terrainSpeed.x = -tAngle.z*m_linMotion.terrainForce.x*h;
@@ -3901,3 +3898,36 @@ Error CPhysics::GetError()
     return ERR_OK;
 }
 
+void CPhysics::SetFalling()
+{
+    if (m_fallingHeight == 0.0f && m_floorHeight >= m_minFallingHeight)
+        m_fallingHeight = m_floorHeight;
+}
+
+float CPhysics::GetFallingHeight()
+{
+    return m_fallingHeight;
+}
+
+void CPhysics::SetMinFallingHeight(float value)
+{
+    if (value < 0.0f) return;
+    m_minFallingHeight = value;
+}
+
+float CPhysics::GetMinFallingHeight()
+{
+    return m_minFallingHeight;
+}
+
+void CPhysics::SetFallDamageFraction(float value)
+{
+    if (value < 0.0f) return;
+    m_fallDamageFraction = value;
+}
+
+float CPhysics::GetFallDamageFraction()
+{
+    return m_fallDamageFraction;
+}
+
diff --git a/src/physics/physics.h b/src/physics/physics.h
index cf15b13..fea5601 100644
--- a/src/physics/physics.h
+++ b/src/physics/physics.h
@@ -165,6 +165,14 @@ public:
     void        CreateInterface(bool bSelect);
     Error       GetError();
 
+    float       GetFallingHeight();
+
+    void        SetMinFallingHeight(float value);
+    float       GetMinFallingHeight();
+
+    void        SetFallDamageFraction(float value);
+    float       GetFallDamageFraction();
+
 protected:
     bool        EventFrame(const Event &event);
     void        WaterFrame(float aTime, float rTime);
@@ -191,6 +199,7 @@ protected:
     void        MotorParticle(float aTime, float rTime);
     void        WaterParticle(float aTime, Math::Vector pos, ObjectType type, float floor, float advance, float turn);
     void        WheelParticle(int color, float width);
+    void        SetFalling();
 
 protected:
     Gfx::CEngine*       m_engine;
@@ -240,16 +249,16 @@ protected:
     float       m_restBreakParticle;
     float       m_floorLevel;       // ground level
     float       m_floorHeight;      // height above the ground
-    int     m_soundChannel;
-    int     m_soundChannelSlide;
+    int         m_soundChannel;
+    int         m_soundChannelSlide;
     float       m_soundTimePshhh;
     float       m_soundTimeJostle;
     float       m_soundTimeBoum;
     bool        m_bSoundSlow;
     bool        m_bForceUpdate;
     bool        m_bLowLevel;
-    float m_fallingHeight;
-    float m_fallDamageFraction;
-    float m_minFallingHeight;
+    float       m_fallingHeight;
+    float       m_fallDamageFraction;
+    float       m_minFallingHeight;
 };
 
-- 
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