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