components/scene/TextBillboardComponent.cpp

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// /////////////////////////////////////////////////////////////////////////////
//
// Name:            TextBillboardComponent.cpp
// Author:          Michael Bartsch (ZCCdark203)
//
// Desc :           Component wrapper of Irrlicht's IBillboardTextSceneNode.
//
// 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.
//
// /////////////////////////////////////////////////////////////////////////////

// Include files
#include "TextBillboardComponent.h"
#include "../../core/GameManager.h"


// TextBillboardComponent class
// TextBillboardComponent constructor (default).
TextBillboardComponent::TextBillboardComponent(Entity *parent)
: BillboardComponent(parent, true)
{
    // Get pointers to needed sub-systems of the Game Manager.
    ISceneManager *pSceneMgr = GameManager::Instance()->getSceneManager();
    IGUIEnvironment *pGUIEnv = GameManager::Instance()->getGUIEnvironment();

    // Create the internal scene node.
    mBillboardTextSN = pSceneMgr->addBillboardTextSceneNode(pGUIEnv->getBuiltInFont(), 0, 0,
                                                            dimension2df(10.0f, 10.0f),
                                                            parent->getPosition(), parent->getID());
    mBillboardSN = mBillboardTextSN;
    mSceneNode = mBillboardTextSN;

    // Set-up internal mechanism for collision detection.
    mTriSelector = pSceneMgr->createTriangleSelectorFromBoundingBox(mBillboardTextSN);
    mMetaSelector = pSceneMgr->createMetaTriangleSelector();
}

// TextBillboardComponent constructor.
TextBillboardComponent::TextBillboardComponent(Entity *parent, const std::string &fontFileName,
                                               const wchar_t *text, const dimension2df &size,
                                               const SColor &colorTop, const SColor &colorBottom)
: BillboardComponent(parent, true)
{
    // Get pointers to needed sub-systems of the Game Manager.
    ISceneManager *pSceneMgr = GameManager::Instance()->getSceneManager();
    IGUIEnvironment *pGUIEnv = GameManager::Instance()->getGUIEnvironment();

    // Create the internal scene node.
    mBillboardTextSN = pSceneMgr->addBillboardTextSceneNode(pGUIEnv->getFont(fontFileName.c_str()),
                                                            text, 0, size, parent->getPosition(),
                                                            parent->getID(), colorTop, colorBottom);
    mBillboardSN = mBillboardTextSN;
    mSceneNode = mBillboardTextSN;

        // Set-up internal mechanism for collision detection.
    mTriSelector = pSceneMgr->createTriangleSelectorFromBoundingBox(mBillboardTextSN);
    mMetaSelector = pSceneMgr->createMetaTriangleSelector();
}

// TextBillboardComponent constructor.
TextBillboardComponent::TextBillboardComponent(Entity *parent, const std::string &fontFileName,
                                               const std::string &text, const dimension2df &size,
                                               const SColor &colorTop, const SColor &colorBottom)
: BillboardComponent(parent, true)
{
    // Get pointers to needed sub-systems of the Game Manager.
    ISceneManager *pSceneMgr = GameManager::Instance()->getSceneManager();
    IGUIEnvironment *pGUIEnv = GameManager::Instance()->getGUIEnvironment();

    // Create the internal scene node.
    core::stringw wBuffer = core::stringw(text.c_str());
    mBillboardTextSN = pSceneMgr->addBillboardTextSceneNode(pGUIEnv->getFont(fontFileName.c_str()),
                                                            wBuffer.c_str(), 0, size,
                                                            parent->getPosition(), parent->getID(),
                                                            colorTop, colorBottom);
    mBillboardSN = mBillboardTextSN;
    mSceneNode = mBillboardTextSN;

    // Set-up internal mechanism for collision detection.
    mTriSelector = pSceneMgr->createTriangleSelectorFromBoundingBox(mBillboardTextSN);
    mMetaSelector = pSceneMgr->createMetaTriangleSelector();
}

// TextBillboardComponent deconstructor.
TextBillboardComponent::~TextBillboardComponent()
{
    mBillboardTextSN->remove();
    mBillboardSN = NULL;
    mSceneNode = NULL;
}

// AngelScript: Will be used to instanciate objects of this class.
TextBillboardComponent* TextBillboardComponent::refFactory(Entity *parent)
{
    return new TextBillboardComponent(parent);
}

// AngelScript: Will be used to instanciate objects of this class.
TextBillboardComponent* TextBillboardComponent::refFactory(Entity *parent,
                                                           const std::string &fontFileName,
                                                           const std::string &text,
                                                           const dimension2df &size,
                                                           const SColor &colorTop,
                                                           const SColor &colorBottom)
{
    return new TextBillboardComponent(parent, fontFileName, text, size, colorTop, colorBottom);
}

// Returns a direct pointer to the IBillboardTextSceneNode.
IBillboardTextSceneNode* TextBillboardComponent::getBillboardTextSceneNode()
 {
     return mBillboardTextSN;
 }

// Sets the text string.
void TextBillboardComponent::setText(const std::string &text)
{
    core::stringw wBuffer = core::stringw(text.c_str());
    mBillboardTextSN->setText(wBuffer.c_str());
}

// Sets the text string.
void TextBillboardComponent::setText(const wchar_t *text)
{
    mBillboardTextSN->setText(text);
}

// Sets the color of the text.
void TextBillboardComponent::setTextColor(const SColor &color)
{
    mBillboardTextSN->setTextColor(color);
}


// TextBillboardComponent Angelscript binding.
void bindTextBillboardComponent(asIScriptEngine *engine)
{
    // Forward declarations.
    int r;

    // Bind TextBillboardComponent class.
    r = engine->RegisterObjectType("TextBillboardComponent", sizeof(TextBillboardComponent), asOBJ_REF); assert(r >= 0);

    // Bind inherited functions.
    bindBillboardComponentBase<TextBillboardComponent>(engine, "TextBillboardComponent");

    // Set TextBillboardComponent behaviour.
    r = engine->RegisterObjectBehaviour("TextBillboardComponent", asBEHAVE_FACTORY, "TextBillboardComponent@ f(Entity @)",
                                        asFUNCTIONPR(TextBillboardComponent::refFactory, (Entity*), TextBillboardComponent*),
                                        asCALL_CDECL); assert(r >= 0);
    r = engine->RegisterObjectBehaviour("TextBillboardComponent", asBEHAVE_FACTORY, "TextBillboardComponent@ f(Entity @, " \
                                        "const string &, const string &, const dimension2df &in, const SColor &in, " \
                                        "const SColor &in)", asFUNCTIONPR(TextBillboardComponent::refFactory,
                                        (Entity*, const std::string&, const std::string&, const dimension2df&,
                                        const SColor&, const SColor&), TextBillboardComponent*),
                                        asCALL_CDECL); assert(r >= 0);

    // Bind TextBillboardComponent class functions.
    r = engine->RegisterObjectMethod("TextBillboardComponent", "void setText(const string &)",
                                     asMETHODPR(TextBillboardComponent, setText, (const std::string&), void),
                                     asCALL_THISCALL); assert(r >= 0);
    r = engine->RegisterObjectMethod("TextBillboardComponent", "void setTextColor(const SColor &in)",
                                     asMETHOD(TextBillboardComponent, setTextColor), asCALL_THISCALL); assert(r >= 0);
}

// End of File

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