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#include "Menu.h"
#include <string.h>
#include "SoundMgr.h"
using namespace std;
void Menu::add(MenuItem * mi)
{
if (currentItem < 0)
currentItem = 0;
if ((mi->getLabel()).length() > maxLabelLength)
maxLabelLength = (mi->getLabel()).length();
items.push_back(mi);
}
int Menu::execute(InputState *is, std::stack<Menu *> &s)
{
SDL_Rect rect;
const char * label;
ScreenFont * font;
static bool spacePressed = false;
static bool PrevUp = false;
static bool PrevDown = false;
// Up
if (is->getKeyState()[SDLK_UP]) {
if (!PrevUp) {
if (currentItem > 0) {
currentItem--;
#ifdef AUDIO
soundMgr->playSound (SND_MENU_SELECT);
#endif
} else {
currentItem=(int)(items.size()-1);
#ifdef AUDIO
soundMgr->playSound (SND_MENU_SELECT);
#endif
}
PrevUp = true;
}
} else
PrevUp =false;
// Down
if (is->getKeyState()[SDLK_DOWN]) {
if (!PrevDown) {
if (currentItem < (int)(items.size()-1)) {
currentItem++;
#ifdef AUDIO
soundMgr->playSound (SND_MENU_SELECT);
#endif
} else {
currentItem=0;
#ifdef AUDIO
soundMgr->playSound (SND_MENU_SELECT);
#endif
}
PrevDown = true;
}
} else
PrevDown = false;
// draw menu items labels
rect.y = configuration.CEILING + configuration.env.h/100;
for ( unsigned int it = 0; it < items.size(); it++ ) {
std::string slabel = items[it]->getLabel();
label = slabel.c_str();
rect.x = (configuration.env.w / 2) -
strlen(label)*(cga->charWidth())/2; // UGLY
if (it == (unsigned int) currentItem)
font = cgaInv;
else
font = cga;
font->printXY(screen, &rect, items[it]->getLabel().c_str());
rect.y += font->charHeight();
}
// call the execute method of the current item, if an event occurred
if ( (is->getKeyState()[SDLK_SPACE]) ||
(is->getKeyState()[SDLK_RETURN]) ) {
spacePressed = true;
}
if ( spacePressed && !(is->getKeyState()[SDLK_SPACE]) &&
!(is->getKeyState()[SDLK_RETURN]) ) {
spacePressed = false;
#ifdef AUDIO
soundMgr->playSound(SND_MENU_ACTIVATE);
#endif // AUDIO
return items[currentItem]->execute(s);
}
return 0;
}
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