components/scene/BillboardComponent.h

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// /////////////////////////////////////////////////////////////////////////////
//
// Name:            BillboardComponent.h
// Author:          Michael Bartsch (ZCCdark203)
//
// Desc :           Declaration of the BillboardComponent class.
//
// License:         Copyright (C) 2009 Michael Bartsch and Contributors
//
//                  This program is free software: you can redistribute it
//                  and/or modify it under the terms of the zlib/libpng License.
//                  See main.cpp for conditions of distribution and use.
//
// /////////////////////////////////////////////////////////////////////////////

#ifndef __BILLBOARDCOMPONENT_H__
#define __BILLBOARDCOMPONENT_H__

// Include files
#include "../../dependencies.h"
#include "SceneComponent.h"


// BillboardComponent class
class BillboardComponent : public SceneComponent
{
public:

    // Initialisation and deinitialisation
    BillboardComponent(Entity *parent, const dimension2df &size = dimension2df(10.0f, 10.0f),
                       const SColor &colorTop = SColor(255, 255, 255, 255),
                       const SColor &colorBottom = SColor(255, 255, 255, 255));
    ~BillboardComponent();

    // AngelScript binding
    static BillboardComponent* refFactory(Entity *parent);
    static BillboardComponent* refFactory(Entity *parent, const dimension2df &size,
                                          const SColor &colorTop, const SColor &colorBottom);

    // Methods
    IBillboardSceneNode* getBillboardSceneNode();

    void getColor(SColor &topColor, SColor &bottomColor) const;
    const dimension2df& getSize() const;

    void setColor(const SColor &overallColor);
    void setColor(const SColor &topColor, const SColor &bottomColor);
    void setSize(const dimension2df &size);

protected:

    // Initialisation
    BillboardComponent(Entity *parent, bool isDerived);

    // Members
    IBillboardSceneNode *mBillboardSN;
};


// BillboardComponent Angelscript binding.
extern void bindBillboardComponent(asIScriptEngine *engine);

template<typename T>
void bindBillboardComponentBase(asIScriptEngine *engine, const char *type)
{
    // Forward declaration.
    int r;
    std::string sType = type;

    // Bind inherited functions.
    bindSceneComponentBase<BillboardComponent>(engine, type);

    // Set common behaviour.
    r = engine->RegisterGlobalBehaviour(asBEHAVE_REF_CAST, std::string(sType + "@ f(BillboardComponent @)").c_str(),
                                        asFUNCTION((asRefCast<BillboardComponent,T>)), asCALL_CDECL); assert( r >= 0 );
    r = engine->RegisterGlobalBehaviour(asBEHAVE_IMPLICIT_REF_CAST, std::string("BillboardComponent@ f(" + sType +" @)").c_str(),
                                        asFUNCTION((asRefCast<T,BillboardComponent>)), asCALL_CDECL); assert( r >= 0 );

    // Bind common class functions.
    r = engine->RegisterObjectMethod(type, "void getColor(SColor &out, SColor &out)",
                                     asMETHOD(T, getColor), asCALL_THISCALL); assert(r >= 0);
    r = engine->RegisterObjectMethod(type, "const dimension2df& getSize()",
                                     asMETHOD(T, getSize), asCALL_THISCALL); assert(r >= 0);

    r = engine->RegisterObjectMethod(type, "void setColor(const SColor &in)",
                                     asMETHODPR(T, setColor, (const SColor&), void), asCALL_THISCALL); assert(r >= 0);
    r = engine->RegisterObjectMethod(type, "void setColor(const SColor &in, const SColor &in)",
                                     asMETHODPR(T, setColor, (const SColor&, const SColor&), void), asCALL_THISCALL); assert(r >= 0);
    r = engine->RegisterObjectMethod(type, "void setSize(const dimension2df &in)",
                                     asMETHOD(T, setSize), asCALL_THISCALL); assert(r >= 0);
}

#endif

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