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==Delta Loc/Rot/Scale Ipo ==
Delta Loc/Rot/Scale Ipo curve are now supporting in the BGE with the following limitations:

1. All Ipo channels are now independent.
In Blender 2.45, all 3 Loc Ipo channels were automatically set
together. For example, having just a LocX Ipo channel was sufficient
to fix the X, Y and Z coordinates, with the Y and Z value taken
from the object original Y and Z location in Blender. The same
was true for the 3 Rot and the 3 Scale Ipo channels: the missing
channels were assumed to have constant value taken from the object
original orientation/scale in Blender.
With this patch, all Ipo channels are now independent.
THIS WILL CREATE BACKWARD COMPATIBILITY PROBLEM if you omit to
define the 3 channels of a same type together in your Blend file:
the undefined Loc, Rot, Scale coordinates of the object will
be influenced by the parent/spawner Loc/Rot/Scale in case the
object is a child or dynamically created.

2. Delta Loc, Rot, Scale are now supported with the following
limitations:
The delta Loc/Rot Ipo modify the object global (NOT local)
location/orientation
The delta Scale change the object local scale
The delta Ipo curves are relative to the object starting
Loc/Rot/Scale when the Ipo was first activated; after that, the
delta Ipo becomes global. This means that the object will return
to this initial Loc/Rot/Scale when you later restart the Ipo
curve, even if you had changed the object Loc/Rot/Scale in the
meantime. Of course this applies only to the specific Loc/Rot/Scale
coordinate that are defined in the Ipo channels as the channels
are now independent.

3. When the objects are converted from Blender to the BGE, the
delta Loc/Rot/Scale that might result from initial non-zero values
in delta Ipo Curves will be ignored. However, as soon as the
delta Ipo curve is activated, the non-zero values will be taken
into account and the object will jump to the same Loc/Rot/Scale
situation as in Blender. Note that delta Ipo curves with initial
non-zero values is bad practice; logically, a delta Ipo curver
should always start from 0.

4. If you define both a global and delta channel of the same
type (LocX and DLocX), the result will be a global channel equivalent
to the sum of the two channels (LocX+DLocX).

==rayCastTo==

New rayCastTo() python method for KX_GameObject:

rayCastTo(other,dist,prop)

Look towards another point/KX_GameObject and return first object hit within dist with a property that match prop, None if no object found or if it does not match prop.

Parameters:
other = 3-tuple (xyz coordinates) or object reference (target=center of object)
(type = list [x,y,z] or object reference)
dist = max distance of detection (can be negative => look behind)
If 0 or omitted => detect up to other
(type=float)
prop = property name that object must have
If empty or omitted => detect any object
(type=string)

==speedups==

This patch modifies the BL_ConvertMesh method from the data conversion module in order to reduce the number of polygon
material objects that are created.

Normally, there should be only one material object for each material bucket(the group of meshes that are rendered together
with a single material). However, the number of materials that are created right now in the converter is much higher
and eats a lot of memory in scenes with large polygon counts. This patch deletes those material objects(KX_BlenderMaterial)
that are used only temporarily in the converter(and are now deleted only when the converter is destroyed, at the end
of the game).

For a cube that's subdivided 7 times(90+ k polygons) I get 200 MB usage in the game engine in 2.45 and 44 MB with a
svn build with this patch applied if the "Use Blender Materials" option is activated in the Game menu.

==Mesh replacement in BGE will react properly to armature deform==

Changing the mesh of an object that has a deform controller (armature) is now properly handled. The new mesh must have vertex groups matching the armature bones. In simple terms, the new mesh must deform correctly when you assign it to the object in Blender and you test the action. It will deform the same when you replace the object mesh during the game.

==enable negative axis radar sensor==

enable negative axis radar sensor

==Realtime SetParent function in the BGE==

This patch consists in new KX_GameObject::SetParent() and KX_GameObject::RemoveParent() functions to create and destroy parent relation during game. These functions are accessible through python and through a new actuator KX_ParentActuator. Function documentation in PyDoc.
The object keeps its orientation, position and scale when it is parented but will further rotate, move and scale with its parent from that point on. When the parent relation is broken, the object keeps the orientation, position and scale it had at that time.
The function has no effect if any of the X/Y/Z scale of the object or its new parent are below Epsilon.

==ESCKey==

ESC now quits the game by default in all modes unless a keyboard sensor is set on ESC.
In this case, the game designer must arrange for an alternative way to quit the game.

=getLinearVelocity=

getLinearVelocity() now can provide local velocity as well.

== Patches==

Patches 8235 8218 8211 added: various gameengine improvements, fixed windows project files

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