Behaviour.h

#pragma once
// ===========================================================================
// Copyright (c) 2015 Toolchefs Ltd. All rights reserved.
//
// Use of this software is subject to the terms of the Toolchefs license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.
// ===========================================================================
 
#include <Atoms/Globals.h>
#include <Atoms/GlobalNames.h>
#include <AtomsCore/Metadata/MapMetadata.h>
 
namespace Atoms
{
 
    class BehaviourTreeContext;
    class Blackboard;
 
    class ATOMS_EXPORT Behaviour
    {
    public:
        enum Status
        {
            INVALID = 0,
            SUCCESS,
            FAILURE,
            RUNNING,
            ABORTED,
            SUSPENDEND
        };
 
        struct State
        {
            union
            {
                int intValue;
                int int2Value[2];
                short short4Value[4];
                float float2Value[2];
                double doubleValue;
                void* ptrValue;
            };
            unsigned short status;
            unsigned short index;
            unsigned short tickCount;
            unsigned short padding;
        };
 
        Behaviour();
 
        Behaviour(unsigned short idx, unsigned short parentIdx);
 
        virtual ~Behaviour();
 
        virtual const char* typeName() const;
 
        virtual void initialize(BehaviourTreeContext* context, State* data);
 
        virtual void update(BehaviourTreeContext* context, State* data);
 
        virtual void terminate(BehaviourTreeContext* context, State* data);
 
        virtual void releaseData(BehaviourTreeContext* context, State* data);
 
        void tick(BehaviourTreeContext* context, State* data);
 
        virtual void onChildUpdated(BehaviourTreeContext* context, State* data, unsigned int childIndex, unsigned short childStatus);
 
        virtual void addChild(unsigned short childIndex);
 
        virtual void setAttributes(const AtomsCore::MapMetadata* attributes, Blackboard* blackboard);
        virtual void getAttributes(AtomsCore::MapMetadata* attributes, Blackboard* blackboard);
 
        virtual void getAttributeProperties(AtomsCore::MapMetadata* attributes);
 
        virtual bool needPreallocatedMemory() const;
 
        virtual bool isGPUNode() const;
 
        unsigned short index;
        short parentIndex;
        unsigned short span;
        unsigned char baseType;
        unsigned char lock;
    };
}
 
#define BT_BEHAVIOUR_DEFINE_GET_ATTRIBUTE(TYPE, NAME) \
TYPE  NAME## Meta(NAME.value); \
attributes->addEntry(#NAME, &NAME##Meta); \
\
 
#define BT_BEHAVIOUR_DEFINE_GET_METADATA_ATTRIBUTE(NAME) \
if (!NAME.value) {attributes->addEmptyEntry(#NAME);} else {attributes->addEntry(#NAME, NAME.value); } \
\