/*****************************************************************************
*
* Description:
* Implements a menu
*
****************************************************************************/
tU8
drawMenu(tMenu newMenu)
{
tU8 anyKey;
menu = newMenu;
//draw boarder
lcdRect(menu.xPos, menu.yPos, menu.xLen, menu.yLen, menu.borderColor);
lcdRect(menu.xPos+1, menu.yPos+16, menu.xLen-2, menu.yLen-17, menu.bgColor);
//write header text
lcdGotoxy(menu.headerTextXpos,menu.yPos+1);
lcdColor(menu.borderColor,menu.headerColor);
lcdPuts(menu.pHeaderText);
//write choices
cursor = menu.initialChoice;
drawMenuCursor();
//dummy call just to reset previous key strokes
checkKey();
while(1)
{
anyKey = checkKey();
if (anyKey != KEY_NOTHING)
{
//select specific function
if (anyKey == KEY_CENTER)
{
return cursor;
}
else if (anyKey == KEY_UP)
{
if (cursor > 0)
cursor--;
else
cursor = menu.noOfChoices - 1;
drawMenuCursor();
}
else if (anyKey == KEY_DOWN)
{
if (cursor < menu.noOfChoices - 1)
cursor++;
else
cursor = 0;
drawMenuCursor();
}
}
else
osSleep(1);
}
}
/**
* \brief The main game loop. This just cycles endlessly, it uses the game's 'state' to determine which screen to show and what to do.
*/
int main(){
//looping back and forth forever (cards against humanity reference)
while(1)
{
//some basic prep work performed once before our custom intro
if(game_state == INTRO)
{
initialSetup();
initIntro();
}
//perform custom intro
while(game_state == INTRO)
{
//wait until the next frame
WaitVsync(1);
drawIntro();
processIntro();
}
//prep the main menu
if(game_state == MAIN_MENU)
{
FadeOut(0,true);
ClearVram();
SetTileTable(title_tiles);
SetFontTilesIndex(TITLE_TILES_SIZE);
drawMainMenu();
FadeIn(0,false);
}
//draw menu and handle input
while(game_state == MAIN_MENU)
{
WaitVsync(1);
drawMenuCursor();
processMainMenu();
}
if(game_state== GAME)
{
//run our setup for the main game
ClearVram();
FadeOut(0,true);
gameSetup();
FadeIn(0,false);
}
//when we're in the gameplay portion, draw and accept input for the game
while(game_state == GAME)
{
WaitVsync(1);
processScrollSpeed(); //scrolls screen as appropriate
updateCity(); //offsets city for parallax
processControls(); //accepts and processes controller input
processPlayerMotion(); //update player position
processSprites(); //updates and moves player image to player position
}
if(game_state == HIGH_SCORES)
{
FadeOut(0,true);
SetTileTable(title_tiles);
SetFontTilesIndex(TITLE_TILES_SIZE);
drawLocalHighScoreMenu(); //draw up the high score screen
FadeIn(0,false);
deathclock=120; //reset death timer to 2 seconds
if(score > topscores[9])
{
LoadScore(0, 9); //load top 10 saved high scores
SaveScore(score); //save our current score if it's high enough
drawLocalHighScoreMenu(); //draw up the high score screen
}
}
//draw and accepts input for the local high score screen
while(game_state == HIGH_SCORES)
{
WaitVsync(1);
processHighScoreMenu();
}
}
}
