From c6462a25b43d2c3294a7cdb2208ffa92ee9744e1 Mon Sep 17 00:00:00 2001
From: Thomas Fischer <info@beamng.com>
Date: Sun, 30 Jun 2013 17:25:09 +0200
Subject: [PATCH] fixed camera code not checking for invalid/missing datablock:
 crashed before

---
 Engine/source/T3D/camera.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Engine/source/T3D/camera.cpp b/Engine/source/T3D/camera.cpp
index 0ba19ea29..f7e5322d7 100644
--- a/Engine/source/T3D/camera.cpp
+++ b/Engine/source/T3D/camera.cpp
@@ -903,7 +903,7 @@ void Camera::_setPosition(const Point3F& pos, const Point3F& rot)
    
    MatrixF temp;
 
-   if(mDataBlock->cameraCanBank)
+   if(mDataBlock && mDataBlock->cameraCanBank)
    {
       // Take rot.y into account to bank the camera
       MatrixF imat;
@@ -932,7 +932,7 @@ void Camera::setRotation(const Point3F& rot)
 
    MatrixF temp;
 
-   if(mDataBlock->cameraCanBank)
+   if(mDataBlock && mDataBlock->cameraCanBank)
    {
       // Take rot.y into account to bank the camera
       MatrixF imat;
@@ -993,7 +993,7 @@ void Camera::writePacketData(GameConnection *connection, BitStream *bstream)
    bstream->setCompressionPoint(pos);
    mathWrite(*bstream, pos);
    bstream->write(mRot.x);
-   if(bstream->writeFlag(mDataBlock->cameraCanBank))
+   if(mDataBlock && bstream->writeFlag(mDataBlock->cameraCanBank))
    {
       // Include mRot.y to allow for camera banking
       bstream->write(mRot.y);