4a3d7faf0a
moved text scroller into DeckMenu class since it is specific to DeckMenu and not GameStateDuel added new util function "wordWrap"
102 lines
2.4 KiB
C++
102 lines
2.4 KiB
C++
#include "PrecompiledHeader.h"
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#include "TextScroller.h"
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#include "WResourceManager.h"
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#include "utils.h"
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#include "WFont.h"
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enum {
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HORIZONTAL_SCROLLER = 0,
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VERTICAL_SCROLLER = 1
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};
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TextScroller::TextScroller(int fontId, float x, float y, float width, float speed, int scrollerType, int numItems ): JGuiObject(0), fontId(fontId){
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mWidth = width;
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mSpeed = speed;
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minimumItems = numItems;
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mX = x;
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mY = y;
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start = -width;
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timer = 0;
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currentId = 0;
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mRandom = 0;
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scrollDirection = scrollerType;
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}
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void TextScroller::setRandom(int mode){
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mRandom = mode;
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if (mRandom && strings.size()){
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currentId = (rand() % strings.size());
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mText = strings[currentId];
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}
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}
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void TextScroller::Add(string text){
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if (!strings.size()) mText = text;
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strings.push_back(text);
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}
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void TextScroller::Reset(){
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strings.clear();
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}
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void TextScroller::Update(float dt){
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if(!strings.size())
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return;
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if ( scrollDirection == HORIZONTAL_SCROLLER )
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{
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start+=mSpeed*dt;
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WFont * mFont = resources.GetWFont(fontId);
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if (start > mFont->GetStringWidth(mText.c_str())){
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start = -mWidth;
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if (mRandom){
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currentId = (rand() % strings.size());
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}else{
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currentId++;
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if (currentId > strings.size()-1)currentId = 0;
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}
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mText = strings[currentId];
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}
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}
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else
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{
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// we want to display 2 at a time
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ostringstream scrollerText;
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if ( timer == 0 )
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{
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for ( size_t idx = 0; idx < (MIN(minimumItems, strings.size())); idx ++ )
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{
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scrollerText << strings[currentId + idx];
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}
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currentId++;
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if ( currentId >= (strings.size()-1) )
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currentId = 0;
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mText = wordWrap( scrollerText.str(), mWidth );
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}
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timer = ++timer % ((int) mSpeed);
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}
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}
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void TextScroller::Render(){
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WFont * mFont = resources.GetWFont(fontId);
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if ( scrollDirection == HORIZONTAL_SCROLLER )
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mFont->DrawString(mText.c_str(),mX,mY,JGETEXT_LEFT,start,mWidth);
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else
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mFont->DrawString(mText.c_str(), mX, mY );
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}
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ostream& TextScroller::toString(ostream& out) const
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{
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return out << "TextScroller ::: mText : " << mText
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<< " ; tempText : " << tempText
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<< " ; mWidth : " << mWidth
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<< " ; mSpeed : " << mSpeed
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<< " ; mX,mY : " << mX << "," << mY
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<< " ; start : " << start
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<< " ; timer : " << timer
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<< " ; strings : ?" // << strings
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<< " ; currentId : " << currentId
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<< " ; mRandom : " << mRandom;
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}
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