wagic/projects/mtg/src/DeckMenuItem.cpp

    #include "PrecompiledHeader.h"

#include "DeckMenuItem.h"
#include "Translate.h"
#include "WResourceManager.h"
#include <algorithm>

#define ITEM_PX_WIDTH 190.0f
#define kItemXOffset 22
#define kItemYHeight 30

const int kHorizontalScrollSpeed = 30; // higher numbers mean faster scrolling

float DeckMenuItem::mYOffset = 0;

DeckMenuItem::DeckMenuItem(DeckMenu* _parent, int id, int fontId, string text, float x, float y, bool hasFocus, bool autoTranslate, DeckMetaData *deckMetaData)
                        : JGuiObject(id), parent(_parent), fontId(fontId), mX(x), mY(y)
{
	WFont * mFont = WResourceManager::Instance()->GetWFont(fontId);
    mMetaData = deckMetaData;
	mText = trim(text);
    mIsValidSelection = false;
    
	if (autoTranslate)
		mText = _(mText);	
    

    mHasFocus = hasFocus;
	float newImageWidth = 0.0f;
    if (mMetaData && !mMetaData->getGamesPlayed())
    {
        JTexture * tex = WResourceManager::Instance()->RetrieveTexture("new.png");
        if (tex)
        {
            JQuadPtr quad = WResourceManager::Instance()->RetrieveQuad("new.png", 2.0f, 2.0f, tex->mWidth - 4.0f, tex->mHeight - 4.0f); //avoids weird rectangle around the texture because of bilinear filtering
			newImageWidth = quad->mWidth;
		}
	}

	float titleStringWidth = mFont->GetStringWidth( mText.c_str() );
	mTitleResetWidth = (titleStringWidth - newImageWidth )/ 2; 
	mScrollEnabled = titleStringWidth  > ( ITEM_PX_WIDTH - newImageWidth );
	mScrollerOffset = 0.0f;

	if (hasFocus)
    {
        mIsValidSelection = true;
        Entering();
    }
    
    if (mMetaData && mMetaData->getAvatarFilename().size() > 0)
        mImageFilename = mMetaData->getAvatarFilename();
    else 
    {
        // this is a non-deck menu item (ie "Random", "Cancel", etc
        switch(id)
        {
            case kRandomPlayerMenuID:
                mImageFilename = "noavatar.jpg";
                break;
            case kRandomAIPlayerMenuID:
                mImageFilename = "noavatar.jpg";
                break;
            case kEvilTwinMenuID:
                {
                    mImageFilename = "avatar.jpg";
                    break;
                }
            default:
				 mImageFilename = "noavatar.jpg";
                // do nothing.  
                break;
        }
        
    }
    
    
	mDisplayInitialized = false;

}

void DeckMenuItem::Update(float dt)
{
	mScrollerOffset += kHorizontalScrollSpeed * dt;
	if ( (mScrollerOffset) > mTitleResetWidth )
		mScrollerOffset = -ITEM_PX_WIDTH;
}


void DeckMenuItem::RenderWithOffset(float yOffset)
{
  mYOffset = yOffset;

    WFont * mFont = WResourceManager::Instance()->GetWFont(fontId);
	
	if (!( mHasFocus && mScrollEnabled ))
		mScrollerOffset = 0;
	if (!mHasFocus && mScrollEnabled)
		mScrollerOffset = -1 * ( getWidth() - ITEM_PX_WIDTH )/2;
	float offSet = mScrollerOffset;

    if (mHasFocus)
        mFont->SetScale(SCALE_SELECTED);
    else
        mFont->SetScale(SCALE_NORMAL);
    
    mFont->DrawString(mText.c_str(), mX, mY + yOffset, JGETEXT_CENTER, offSet, ITEM_PX_WIDTH);
	mDisplayInitialized = true;
	//Render a "new" icon for decks that have never been played yet
    if (mMetaData && !mMetaData->getGamesPlayed())
    {
        JTexture * tex = WResourceManager::Instance()->RetrieveTexture("new.png");
        if (tex)
        {
            JQuadPtr quad = WResourceManager::Instance()->RetrieveQuad("new.png", 2.0f, 2.0f, tex->mWidth - 4.0f, tex->mHeight - 4.0f); //avoids weird rectangle aroudn the texture because of bilinear filtering
            quad->SetHotSpot(quad->mWidth/2.0f, quad->mHeight/2.0f);
            float x = mX + min(ITEM_PX_WIDTH - quad->mWidth, getWidth() )/2 + quad->mWidth/2;
            if (quad) JRenderer::GetInstance()->RenderQuad(quad.get(), x , mY + yOffset + quad->mHeight/2, 0.5);
        }
    }
    mFont->SetScale(SCALE_NORMAL);
}

void DeckMenuItem::Render()
{
    RenderWithOffset(0);
}

void DeckMenuItem::checkUserClick()
{
	int x1 = -1, y1 = -1;
    if (mEngine->GetLeftClickCoordinates(x1, y1))
    {   
        mIsValidSelection = false;
        int x2 = kItemXOffset, y2 = static_cast<int>(mY + mYOffset);
        if ( (x1 >= x2) && (x1 <= (x2 + ITEM_PX_WIDTH)) && (y1 >= y2) && (y1 < (y2 + kItemYHeight)))
            mIsValidSelection = true;
    }
	else
		mIsValidSelection = true;
}


void DeckMenuItem::Entering()
{
    checkUserClick();
    mHasFocus = true;
    parent->mSelectionTargetY = mY;
}

bool DeckMenuItem::Leaving(JButton)
{
    // check to see if the user clicked on the object, if so return true.  
    checkUserClick();
    mHasFocus = false;
    return true;
}

bool DeckMenuItem::ButtonPressed()
{
    return mIsValidSelection;
}

void DeckMenuItem::Relocate(float x, float y)
{
    mX = x;
    mY = y;
}

float DeckMenuItem::getWidth() const
{
    WFont * mFont = WResourceManager::Instance()->GetWFont(fontId);
    return mFont->GetStringWidth(mText.c_str());
}

string DeckMenuItem::getDeckName() const
{
	if (mMetaData)
		return mMetaData->getName();

	std::string s;
	std::stringstream out;
	out << mMetaData->getDeckId();
	s = out.str();
	return "[deck" + s + "]";
}

ostream& DeckMenuItem::toString(ostream& out) const
{
    return out << "DeckMenuItem ::: mHasFocus : " << mHasFocus
                 << " ; parent : " << parent
                 << " ; mText : " << mText
                 << " ; mX,mY : " << mX << "," << mY;
}

DeckMenuItem::~DeckMenuItem()
{
    mMetaData = NULL;
}