unsigned char processControls(void){
static int lastbuttons=0;
unsigned int joy=ReadJoypad(0);
if((joy&BTN_START) && !(lastbuttons&BTN_START)){
}
if(joy&BTN_X){
TriggerNote(3,1,23,0xff);
while(ReadJoypad(0)!=0);
}
if(joy&BTN_Y){
tracks[3].flags&= ~(TRACK_FLAGS_PLAYING);
tracks[3].noteVol=0;
}
if(joy&BTN_SELECT){
while(ReadJoypad(0)!=0);
}
lastbuttons=joy;
return 0;
}
// intro screen
void DoIntro()
{
// random number generator seed
int rndSeed = 0;
SetTileTable(tiles_mammoth);
DrawMap2(0, 0, map_mammoth);
// game loop
char quit = 0;
while(!quit)
{
// wait for v sync
WaitVsync(1);
// update the seed
rndSeed += 7;
if(ReadJoypad(0) & BTN_START)
quit = 1;
}
// seed the prng
srand(rndSeed);
}
/**
* \brief Logic for custom intro and processes controller input for skipping intro.
*/
void processIntro(void)
{
//cycles through our sine function to move the ghost smoothly
wave_tick++;
if(wave_tick > 127)
wave_tick = 0;
player_y = (u8)(100+pgm_read_byte(&(sine32[wave_tick]))); //set ghost height based on sine function
player_x++; //move ghost left to right 1 pixel
if(player_x == 104) //at correct moment, trigger sound effect
TriggerFx(13,0x88,true);
if(player_x > 224) //when ghost is off screen, end intro and move to main menu
{
ResumeSong();
SetTileTable(title_tiles);
frame_tick = 8;
current_frame = 0;
game_state = MAIN_MENU;
}
//read in our player one joypad input
joy=ReadJoypad(0);
//if player 1 is currently pressing start
if((joy&BTN_START) && (joy != lastbuttons))
{
ResumeSong();
SetTileTable(title_tiles);
frame_tick = 8;
current_frame = 0;
lastbuttons=joy;
game_state = MAIN_MENU;
}
lastbuttons=joy;
}
int main()
{
ClearVram();
SetTileTable(graphicsTiles);
Screen.overlayTileTable = overlayTiles;
for(int y=0;y<32;y++){
for(int x=0;x<32;x++){
SetTile(x,y,0);
}
}
Screen.scrollHeight = SCREEN_SCROLL_HEIGHT;
Screen.overlayHeight = SCREEN_OVERLAY_HEIGHT;
Map_Init();
int cameraSpeed = 1;
while(1)
{
uint16_t joypad = ReadJoypad(0);
if((joypad & BTN_A))
{
cameraSpeed = 4;
}
else
{
cameraSpeed = 1;
}
if((joypad & BTN_LEFT) && Camera_Position.x > cameraSpeed)
{
Camera_Position.x -= cameraSpeed;
}
if((joypad & BTN_RIGHT) && Camera_Position.x < (Map_Header.width - MAP_TILE_SCROLL_WRAP_X - 1) * MAP_TILE_PIXEL_SIZE - cameraSpeed)
{
Camera_Position.x += cameraSpeed;
}
if((joypad & BTN_UP) && Camera_Position.y > cameraSpeed)
{
Camera_Position.y -= cameraSpeed;
}
if((joypad & BTN_DOWN) && Camera_Position.y < (Map_Header.height - MAP_TILE_SCROLL_WRAP_Y - 1) * MAP_TILE_PIXEL_SIZE - cameraSpeed)
{
Camera_Position.y += cameraSpeed;
}
Map_Update();
// Screen.scrollX = Camera_Position.x;
// Screen.scrollY = Camera_Position.y;
WaitVsync(1);
}
return 0;
}
void DisplayHowToPlay(){
SetTileTable(tiles);
SetFontTilesIndex(TILES_SIZE);
ClearTextVram();
DrawMap2(4,1,map_title2);
Print(1,5,PSTR("The Game of Life is a cellular "));
Print(1,6,PSTR("automaton devised by the mathematician"));
Print(1,7,PSTR("John Conway in 1970. One interacts "));
Print(1,8,PSTR("with the game by creating an initial "));
Print(1,9,PSTR("configuration and observing how it "));
Print(1,10,PSTR("evolves."));
Print(1,12,PSTR("The game is made of a grid of cells "));
Print(1,13,PSTR("each of which has two possible states"));
Print(1,14,PSTR("alive or dead. Each turn, cells"));
Print(1,15,PSTR("evolves according to four rules:"));
Print(1,17,PSTR("1.Any live cell with fewer than two "));
Print(1,18,PSTR(" live neighbours dies"));
Print(1,19,PSTR("2.Any live cell with two or three live"));
Print(1,20,PSTR(" neighbours lives on to the next turn"));
Print(1,21,PSTR("3.Any live cell with more than three"));
Print(1,22,PSTR(" live neighbours dies"));
Print(1,23,PSTR("4.Any dead cell with exactly three"));
Print(1,24,PSTR(" live neighbours becomes a live cell"));
Print(15,26,PSTR("PRESS START"));
while(1){
if(ReadJoypad(0)==BTN_START){
while(ReadJoypad(0)!=0);
return;
}
}
}
/**
* \brief Processes controller input during high score menu.
*/
void processHighScoreMenu(void)
{
//read in our player one joypad input
joy=ReadJoypad(0);
//if player 1 is currently pressing start
if((joy&BTN_START) && (joy != lastbuttons))
{
//switch our game state to game, which pops us out of the main menu and into the game (refer to main function)
game_state = GAME;
}
lastbuttons=joy;
}
/* Sample controllers. */
void sampleControllers(void) {
uint16_t i;
for (i=0; i<2; i++) {
/* Read current value. */
controllers[i].previous = controllers[i].current;
controllers[i].current = ReadJoypad(i);
/* Set event bits. */
controllers[i].held |= controllers[i].current & controllers[i].previous;
controllers[i].pressed |= controllers[i].current & (controllers[i].current ^ controllers[i].previous);
controllers[i].released |= controllers[i].previous & (controllers[i].current ^ controllers[i].previous);
}
}
/**
* \brief Handles input for gameplay. Reads player 1 joypad and processes input for the main game.
*/
void processControls(void){
//read current player 1 input, save in joy variable
joy=ReadJoypad(0);
if(joy) //if any button at is is being pressed
{
if(scrollingOn) //if we're scrolling the screen (player is alive)
{
if(lastbuttons!=joy) //if we're pressing a new button, not holding one
{
yspeed = -jumpspeed; //make player jump up
TriggerFx(4,0x88,true);//play our bouncing sound effects
TriggerFx(5,0x88,true);
grav_tick=1; //reset gravity ticks. doing this ensures that no matter where the gravity timer was, we always get a consistent jump height
}
}
else if(joy&BTN_START) //if player is dead and start was pressed
{
if(deathclock<105)
game_state = HIGH_SCORES; //exit main game state, enter high score screen state (refer to main function)
}
if(joy&BTN_SELECT)//alive or note, if select was pressed...
{
if(lastbuttons!=joy) //if it was JUST pressed and not held
{
if(mute) //if volume is muted, unmute it
{
SetMasterVolume(0xff);
mute=false;
ResumeSong();
}
else //if volume is normal, mute it
{
StopSong();
SetMasterVolume(0x00);
mute=true;
}
}
}
}
//save current input as lastbuttons so we can check if new buttons are pressed next time
lastbuttons=joy;
}
u8 Title(){
ClearTextVram();
SetTileTable(tiles);
SetFontTilesIndex(TILES_SIZE);
DrawMap2(8,3,map_title1);
DrawMap2(4,6,map_title2);
DrawMap2(24,13,map_title3);
Print(8,15,PSTR("PLAY"));
Print(8,16,PSTR("HOW TO PLAY"));
// Print(8,17,PSTR("OPTIONS"));
Print(13,26,PSTR("V1.1 \\ 2013 Uze"));
u8 option=0;
u8 animFrame=0,animDelay=0;
u8 x=6,y=15;
u16 joy,prevJoy=0;
while(1){
WaitVsync(1);
joy=ReadJoypad(0);
AnimateCursor(x,y+option);
/*
if(animDelay==15){
//clear othercursor location
SetTile(x,y+(option^1),0);
SetTile(x+1,y+(option^1),0);
animDelay=0;
animFrame++;
if(animFrame==4)animFrame=0;
switch(animFrame){
case 0:
SetTile(x,y+option,1);
SetTile(x+1,y+option,2);
break;
case 1:
SetTile(x,y+option,3);
SetTile(x+1,y+option,4);
break;
case 2:
SetTile(x,y+option,5);
SetTile(x+1,y+option,6);
break;
default:
SetTile(x,y+option,7);
SetTile(x+1,y+option,8);
break;
}
}
animDelay++;
*/
if(prevJoy==0){
if (joy==BTN_SELECT || joy==BTN_UP || joy==BTN_DOWN){
option^=1;
animDelay=15;
}else if(joy==BTN_START){
while(ReadJoypad(0)!=0);
return option;
}
}
prevJoy=joy;
}
}
void VsyncCallBack(void){
static u16 lastButtons;
static u16 autoRepeatDelay=0,interRepeatDelay=0;
u16 joy;
//process cursor asynchonously of cells processing
if(inMainLoop && keyAction==ACTION_NONE){
joy=ReadJoypad(0);
bool autoKey=(autoRepeatDelay>AUTO_REPEAT_DELAY && interRepeatDelay>INTER_REPEAT_DELAY);
if((joy&BTN_START) && !(lastButtons&BTN_START)){
//paused=!paused;
keyAction=ACTION_STARTSTOP;
}
if((joy&BTN_SELECT) && !(lastButtons&BTN_SELECT)){
keyAction=ACTION_OPENMENU;
}
if(joy&BTN_RIGHT){
if(!(lastButtons&BTN_RIGHT) || autoKey ){
cursor_x++;
interRepeatDelay=0;
}
}else if(joy&BTN_LEFT){
if(!(lastButtons&BTN_LEFT) || autoKey){
cursor_x--;
interRepeatDelay=0;
}
}
if(joy&BTN_UP){
if(!(lastButtons&BTN_UP) || autoKey){
cursor_y--;
interRepeatDelay=0;
}
}else if(joy&BTN_DOWN){
if(!(lastButtons&BTN_DOWN) || autoKey){
cursor_y++;
interRepeatDelay=0;
}
}
if(joy&(BTN_LEFT|BTN_RIGHT|BTN_UP|BTN_DOWN)){
autoRepeatDelay++;
interRepeatDelay++;
}else{
autoRepeatDelay=0;
interRepeatDelay=0;
}
if((joy&BTN_A) && !(lastButtons&BTN_A)){
PutPixel(cursor_x,cursor_y,1,vmode_page); //set pixel
}
if((joy&BTN_B) && !(lastButtons&BTN_B)){
PutPixel(cursor_x,cursor_y,0,vmode_page); //clear pixel
}
lastButtons=joy;
}
}
char multiloop(GameStruct* game)
{
PlayerStruct players[2];
MainStruct mains;
ItemStruct zombie[MAX_ZOMBIES];
ItemStruct shots[2][2];
init(&mains, players, 2, game, zombie, shots);
for(;;game->frames++)
{
WaitVsync(1);
multidrawoverlay(game, players);
gameflags(game);
for(int p = 0; p < 2; p++)
{
playerflags(&players[p]);
players[p].joypad = ReadJoypad(p);
}
if(players[0].life <= 0 && players[1].life <= 0)
{
switch(gameovermenu(game, &players[0]))
{
case 1:
return 2;
case 2:
return 0;
default:
break;
}
}
else if((players[0].joypad&BTN_SELECT || players[1].joypad&BTN_SELECT) && game->flagcount >= DEBOUNCE_DELAY)
{
game->flagcount = 0;
if(game->flags & GAMEPAUSED)
game->flags &= ~GAMEPAUSED;
else
game->flags |= GAMEPAUSED;
}
if(game->flags & GAMEPAUSED)
continue;
rendermap(&mains, 2);
screenSections[1].scrollX = mains.x.s;
screenSections[1].scrollY = mains.y.s;
if(players[0].life > 0 && players[1].life > 0)
multimove(players, &mains, shots);
else if(players[0].life <= 0)
singlemove(&(players[1]), &mains, shots[1]);
else if(players[1].life <= 0)
singlemove(&(players[0]), &mains, shots[0]);
necromancer(zombie, &mains, game, players, 2);
for(int p = 0; p < 2; p++)
{
inputanim(&(players[p]));
players[p].gundelay++;
for(int i = 0; i < 2; i++)
handleshot(&mains, game, &players[p], &shots[p][i], zombie);
if(!(players[p].flags & PLAYERHURT) || game->frames&2)
{
sprites[1 + p * 4].x = sprites[2 + p * 4].x = players[p].x;
sprites[1 + p * 4].y = players[p].y;
sprites[2 + p * 4].y = players[p].y + TILE_HEIGHT;
}
else
{
sprites[1 + p * 4].x = sprites[2 + p * 4].x = DISABLED_SPRITE;
sprites[2 + p * 4].y = sprites[1 + p * 4].y = DISABLED_SPRITE;
}
}
}
}
/**
* Game loop
*/
void game() {
while (level < LEVEL_COUNT) {
level++;
MENU:
menu();
load_level();
refresh_game_screen();
while (!is_level_done()) {
int buttons = ReadJoypad(0);
char* cursor_field_ptr = &(level_field[cursor_x + cursor_y * LEVEL_FIELD_WIDTH]);
if (holding_atom) {
if ((buttons & (BTN_A | BTN_B | BTN_X | BTN_Y))) {
while (ReadJoypad(0) & (BTN_A | BTN_B | BTN_X | BTN_Y)) {};
*cursor_field_ptr = holding_atom;
holding_atom = false;
draw_field();
play_sound(SOUND_LEVEL_RELEASE);
}
if (buttons & BTN_LEFT) {
draw_field();
if (level_field[(cursor_x - 1) + cursor_y * LEVEL_FIELD_WIDTH] == TILE_FLOOR) {
moves++;
while (level_field[(cursor_x - 1) + cursor_y * LEVEL_FIELD_WIDTH] == TILE_FLOOR) {
play_sound(SOUND_LEVEL_MOVE);
for (uint8_t i = 0; i < TILE_WIDTH; i++) {
sprites[SPRITE_CURSOR].x--;
draw_statistics();
WaitVsync(1);
}
cursor_x--;
distance++;
}
} else {
play_sound(SOUND_LEVEL_CANT_MOVE);
}
}
if (buttons & BTN_RIGHT) {
draw_field();
if (level_field[(cursor_x + 1) + cursor_y * LEVEL_FIELD_WIDTH] == TILE_FLOOR) {
moves++;
while (level_field[(cursor_x + 1) + cursor_y * LEVEL_FIELD_WIDTH] == TILE_FLOOR) {
play_sound(SOUND_LEVEL_MOVE);
for (uint8_t i = 0; i < TILE_WIDTH; i++) {
sprites[SPRITE_CURSOR].x++;
draw_statistics();
WaitVsync(1);
}
cursor_x++;
distance++;
}
} else {
play_sound(SOUND_LEVEL_CANT_MOVE);
}
}
if (buttons & BTN_UP) {
draw_field();
if (level_field[cursor_x + (cursor_y - 1) * LEVEL_FIELD_WIDTH] == TILE_FLOOR) {
moves++;
while (level_field[cursor_x + (cursor_y - 1) * LEVEL_FIELD_WIDTH] == TILE_FLOOR) {
play_sound(SOUND_LEVEL_MOVE);
for (uint8_t i = 0; i < TILE_WIDTH; i++) {
sprites[SPRITE_CURSOR].y--;
draw_statistics();
WaitVsync(1);
}
cursor_y--;
distance++;
}
} else {
play_sound(SOUND_LEVEL_CANT_MOVE);
}
}
if (buttons & BTN_DOWN) {
draw_field();
if (level_field[cursor_x + (cursor_y + 1) * LEVEL_FIELD_WIDTH] == TILE_FLOOR) {
moves++;
while (level_field[cursor_x + (cursor_y + 1) * LEVEL_FIELD_WIDTH] == TILE_FLOOR) {
play_sound(SOUND_LEVEL_MOVE);
for (uint8_t i = 0; i < TILE_WIDTH; i++) {
sprites[SPRITE_CURSOR].y++;
draw_statistics();
WaitVsync(1);
}
cursor_y++;
distance++;
}
} else {
play_sound(SOUND_LEVEL_CANT_MOVE);
}
}
} else {
if ((buttons & (BTN_A | BTN_B | BTN_X | BTN_Y))) {
if ((*cursor_field_ptr >= TILE_FIRST_ATOM) && (*cursor_field_ptr <= TILE_LAST_ATOM)) {
while (ReadJoypad(0) & (BTN_A | BTN_B | BTN_X | BTN_Y)) {};
holding_atom = *cursor_field_ptr;
*cursor_field_ptr = TILE_FLOOR;
draw_field();
play_sound(SOUND_LEVEL_CATCH);
} else {
play_sound(SOUND_LEVEL_CANT_MOVE);
}
}
if (buttons & BTN_LEFT) {
if (cursor_x > 0) {
for (uint8_t i = 0; i < TILE_WIDTH; i++) {
sprites[SPRITE_CURSOR].x--;
WaitVsync(1);
}
cursor_x--;
} else {
play_sound(SOUND_LEVEL_CANT_MOVE);
}
}
if (buttons & BTN_RIGHT) {
if (cursor_x < LEVEL_FIELD_WIDTH - 1) {
for (uint8_t i = 0; i < TILE_WIDTH; i++) {
sprites[SPRITE_CURSOR].x++;
WaitVsync(1);
}
cursor_x++;
} else {
play_sound(SOUND_LEVEL_CANT_MOVE);
}
}
if (buttons & BTN_UP) {
if (cursor_y > 0) {
for (uint8_t i = 0; i < TILE_WIDTH; i++) {
sprites[SPRITE_CURSOR].y--;
WaitVsync(1);
}
cursor_y--;
} else {
play_sound(SOUND_LEVEL_CANT_MOVE);
}
}
if (buttons & BTN_DOWN) {
if (cursor_y < LEVEL_FIELD_HEIGHT - 1) {
for (uint8_t i = 0; i < TILE_WIDTH; i++) {
sprites[SPRITE_CURSOR].y++;
WaitVsync(1);
}
cursor_y++;
} else {
play_sound(1);
}
}
}
if (buttons & BTN_SELECT) {
play_sound(SOUND_MENU_SELECT);
goto MENU;
}
if (buttons & BTN_START) {
play_sound(SOUND_MENU_SELECT);
while (ReadJoypad(0) & BTN_START);
load_level();
refresh_game_screen();
}
draw_cursor();
draw_statistics();
WaitVsync(5);
}
hide_sprites();
play_sound(SOUND_LEVEL_CLEARED);
WaitVsync(60);
// mark level as cleared
eeprom_data.data[level / 8] |= 1 << (level % 8);
EepromWriteBlock(&eeprom_data);
}
}
/**
* \brief Processes controller input for the main menu.
*/
void processMainMenu(void)
{
//read in our player one joypad input
joy=ReadJoypad(0);
//pressing something and it isn't the same buttons as last frame so it's a new button press, not a hold
if(joy!=lastbuttons)
{
//if player 1 is currently pressing start
if(joy&BTN_START)
{
//if player cursor is at top menu choice, which is 'start game'
if(menu_y == 15)
{
seedprng(start_seed);
//switch our game state to game, which pops us out of the main menu and into the game (refer to main function)
game_state = GAME;
}
//if cursor is on second option, which is 'hi scores'
else if(menu_y == 17)
{
seedprng(start_seed);
//switch our game state to high scores, which pops us out of the main menu and into the high scores menu (refer to main function)
game_state = HIGH_SCORES;
}
}
if(joy&BTN_UP) //player pressed up
{
if(menu_y > 15) //if we're not at the top menu option
{
eraseMenuCursor(); //erase the old cursor position
menu_y -= 2; //move cursor up one option
}
}
else if (joy&BTN_DOWN) //player pressed down
{
if(menu_y < 19) //if we're above the bottom option
{
eraseMenuCursor(); //erase cursor at old position
menu_y += 2; //move cursor down one option
}
}
else if ((joy&BTN_LEFT) || (joy&BTN_RIGHT)) //player pressed left or right on d-pad
{
if(menu_y == 19) //if we're on the third menu option, which is sound on/off
{
if(mute) //if game is muted, unmute it
{
SetMasterVolume(0xff);
mute=false;
}
else //if game is not muted, mute it
{
SetMasterVolume(0x00);
mute=true;
}
refreshMainMenuSound(); //update menu screen to show music as on/off now that it changed
}
}
}
lastbuttons=joy; //track which buttons were pressed this frame for comparison next frame
start_seed++;
}
void Initialize(void){
int i;
if(!isEepromFormatted()) FormatEeprom();
cli();
//Initialize the mixer buffer
for(i=0;i<MIX_BANK_SIZE*2;i++){
mix_buf[i]=0x80;
}
mix_pos=mix_buf;
mix_bank=0;
for(i=0;i<CHANNELS;i++){
mixer.channels.all[i].volume=0;
}
#if MIXER_CHAN4_TYPE == 0
//initialize LFSR
tr4_barrel_lo=1;
tr4_barrel_hi=1;
tr4_params=0b00000001; //15 bits no divider (1)
#endif
#if UART_RX_BUFFER == 1
uart_rx_buf_start=0;
uart_rx_buf_end=0;
#endif
#if MIDI_IN == 1
UCSR0B=(1<<RXEN0); //set UART for MIDI in
UCSR0C=(1<<UCSZ01)+(1<<UCSZ00);
UBRR0L=56; //31250 bauds (.5% error)
#endif
//stop timers
TCCR1B=0;
TCCR0B=0;
//set ports
DDRC=0xff; //video dac
DDRB=0xff; //h-sync for ad725
DDRD=(1<<PD7)+(1<<PD4); //audio-out + led
PORTD|=(1<<PD4)+(1<<PD3)+(1<<PD2); //turn on led & activate pull-ups for soft-power switches
//setup port A for joypads
DDRA =0b00001100; //set only control lines as outputs
PORTA=0b11111011; //activate pullups on the data lines
//PORTD=0;
//set sync parameters. starts at odd field, in pre-eq pulses, line 1
sync_phase=SYNC_PHASE_PRE_EQ;
sync_pulse=SYNC_PRE_EQ_PULSES;
//set rendering parameters
render_lines_count_tmp=FRAME_LINES;
first_render_line_tmp=FIRST_RENDER_LINE;
//clear timers
TCNT1H=0;
TCNT1L=0;
//set sync generator counter on TIMER1
OCR1AH=HDRIVE_CL_TWICE>>8;
OCR1AL=HDRIVE_CL_TWICE&0xff;
TCCR1B=(1<<WGM12)+(1<<CS10);//CTC mode, use OCR1A for match
TIMSK1=(1<<OCIE1A); //generate interrupt on match
//set clock divider counter for AD725 on TIMER0
//outputs 14.31818Mhz (4FSC)
TCCR0A=(1<<COM0A0)+(1<<WGM01); //toggle on compare match + CTC
OCR0A=0; //divide main clock by 2
TCCR0B=(1<<CS00); //enable timer, no pre-scaler
//set sound PWM on TIMER2
TCCR2A=(1<<COM2A1)+(1<<WGM21)+(1<<WGM20); //Fast PWM
OCR2A=0; //duty cycle (amplitude)
TCCR2B=(1<<CS20); //enable timer, no pre-scaler
SYNC_PORT=(1<<SYNC_PIN)|(1<<VIDEOCE_PIN); //set sync & chip enable line to hi
burstOffset=0;
curr_frame=0;
vsync_phase=0;
joypad1_status_hi=0;
joypad2_status_hi=0;
snesMouseEnabled=false;
sound_enabled=1;
//enable color correction
ReadButtons();
if(ReadJoypad(0)&BTN_B){
SetColorBurstOffset(4);
}
InitializeVideoMode();
sei();
DisplayLogo();
}
int main()
{
// clear the video
ClearVram();
// init the music
InitMusicPlayer(patches);
// show the intro screen
DoIntro();
// joystick previous states
int padPrev[2] = {0,0};
// now the game loop
while(1)
{
// wait for v sync
WaitVsync(1);
// load the next state if we need to
if(nextState > 0)
{
// set the new game state and reset the next state
gameState = nextState;
nextState = 0;
// fade out
FadeOut(1, true);
// init the state
if(gameState == STATE_MAINMENU)
InitState_MainMenu();
else if(gameState == STATE_PLAYING)
InitState_Playing();
else if(gameState == STATE_HOWTOPLAY)
InitState_HowToPlay();
else if(gameState == STATE_CREDITS)
InitState_Credits();
else if(gameState == STATE_PLAYERSTART)
InitState_PlayerStart();
else if(gameState == STATE_GAMEOVER)
InitState_GameOver();
}
// handle the input
padHeld[0] = ReadJoypad(0);
padPressed[0] = padHeld[0] & (padHeld[0] ^ padPrev[0]);
padReleased[0] = padPrev[0] & (padHeld[0] ^ padPrev[0]);
padPrev[0] = padHeld[0];
padHeld[1] = ReadJoypad(0);//1);
padPressed[1] = padHeld[1] & (padHeld[1] ^ padPrev[1]);
padReleased[1] = padPrev[1] & (padHeld[1] ^ padPrev[1]);
padPrev[1] = padHeld[1];
// handle the states
if(gameState == STATE_MAINMENU)
DoState_MainMenu();
else if(gameState == STATE_PLAYING)
DoState_Playing();
else if(gameState == STATE_HOWTOPLAY)
DoState_HowToPlay();
else if(gameState == STATE_CREDITS)
DoState_Credits();
else if(gameState == STATE_PLAYERSTART)
DoState_PlayerStart();
else if(gameState == STATE_GAMEOVER)
DoState_GameOver();
}
}
int main(){
SetTileTable(cTesterTiles);
SetSpritesTileTable(cursor);
ClearVram();
EnableSnesMouse(0,map_cursor);
//Print the basic stuff on the screen
DrawMap2(5,26,map_copyright);
DrawMap2(0,13,map_divider);
//Detect controller types
cType[0] = 255;
cType[1] = 255;
//The controller vars
int btnHeld[2] = {0,0};
int btnPressed[2] = {0,0};
int btnReleased[2] = {0,0};
int btnPrev[2] = {0,0};
//Main loop
while(1){
//20fps
WaitVsync(1);
//Update the controller vars
btnHeld[0] = ReadJoypad(0);
btnHeld[1] = ReadJoypad(1);
btnPressed[0] = btnHeld[0] & (btnHeld[0] ^ btnPrev[0]);
btnPressed[1] = btnHeld[1] & (btnHeld[1] ^ btnPrev[1]);
btnReleased[0] = btnPrev[0] & (btnHeld[0] ^ btnPrev[0]);
btnReleased[1] = btnPrev[1] & (btnHeld[1] ^ btnPrev[1]);
//Check if controllers changed
if((DetectControllers() & 3) != cType[0]){
cType[0] = DetectControllers() & 3;
Fill(0,0,30,13,0);
if(cType[0] == GAMEPAD){
DrawMap2(9,2,map_gamepad);
}
else if(cType[0] == MOUSE){
DrawMap2(12,2,map_mouse);
DrawMap2(1,4,map_warning);
}
else if(cType[0] == NOTHING){
DrawMap2(9,6,map_nocontroller);
}
}
if((DetectControllers() & 12) / 4 != cType[1]){
cType[1] = (DetectControllers() & 12) / 4;
Fill(0,14,30,12,0);
if(cType[1] == GAMEPAD){
DrawMap2(9,15,map_gamepad);
SetSpriteVisibility(false);
}
else if(cType[1] == MOUSE){
DrawMap2(12,15,map_mouse);
SetSpriteVisibility(true);
EnableSnesMouse(0,map_cursor);
}
else if(cType[1] == NOTHING){
DrawMap2(9,19,map_nocontroller);
SetSpriteVisibility(false);
}
}
//Update the buttons
for(unsigned int i = 0; i < 2; i++){
if(cType[i] == MOUSE){
//Check pressed buttons
if(btnPressed[i] & BTN_MOUSE_LEFT){
DrawMap2(14,4 + 13*i,map_pmouseb);
}
if(btnPressed[i] & BTN_MOUSE_RIGHT){
DrawMap2(16,4 + 13*i,map_pmouseb);
}
//Check released
if(btnReleased[i] & BTN_MOUSE_LEFT){
DrawMap2(14,4 + 13*i,map_mouseb);
}
if(btnReleased[i] & BTN_MOUSE_RIGHT){
DrawMap2(16,4 + 13*i,map_mouseb);
}
}
else if(cType[i] == GAMEPAD){
//Check pressed
if(btnPressed[i] & BTN_UP){
DrawMap2(11,6 + 13*i,map_pdpad);
}
if(btnPressed[i] & BTN_DOWN){
DrawMap2(11,8 + 13*i,map_pdpad);
}
if(btnPressed[i] & BTN_LEFT){
DrawMap2(10,7 + 13*i,map_pdpad);
}
if(btnPressed[i] & BTN_RIGHT){
DrawMap2(12,7 + 13*i,map_pdpad);
}
if(btnPressed[i] & BTN_START){
DrawMap2(16,6 + 13*i,map_pstart);
}
if(btnPressed[i] & BTN_SELECT){
DrawMap2(14,6 + 13*i,map_pstart);
}
if(btnPressed[i] & BTN_A){
DrawMap2(20,7 + 13*i,map_pbutton);
}
if(btnPressed[i] & BTN_B){
DrawMap2(19,8 + 13*i,map_pbutton);
}
if(btnPressed[i] & BTN_X){
DrawMap2(19,6 + 13*i,map_pbutton);
}
if(btnPressed[i] & BTN_Y){
DrawMap2(18,7 + 13*i,map_pbutton);
}
if(btnPressed[i] & BTN_SL){
DrawMap2(10,4 + 13*i,map_pbumper);
}
if(btnPressed[i] & BTN_SR){
DrawMap2(18,4 + 13*i,map_pbumper);
}
if(btnReleased[i] & BTN_UP){
DrawMap2(11,6 + 13*i,map_dpad);
}
if(btnReleased[i] & BTN_DOWN){
DrawMap2(11,8 + 13*i,map_dpad);
}
if(btnReleased[i] & BTN_LEFT){
DrawMap2(10,7 + 13*i,map_dpad);
}
if(btnReleased[i] & BTN_RIGHT){
DrawMap2(12,7 + 13*i,map_dpad);
}
if(btnReleased[i] & BTN_START){
DrawMap2(16,6 + 13*i,map_start);
}
if(btnReleased[i] & BTN_SELECT){
DrawMap2(14,6 + 13*i,map_start);
}
if(btnReleased[i] & BTN_A){
DrawMap2(20,7 + 13*i,map_button);
}
if(btnReleased[i] & BTN_B){
DrawMap2(19,8 + 13*i,map_button);
}
if(btnReleased[i] & BTN_X){
DrawMap2(19,6 + 13*i,map_button);
}
if(btnReleased[i] & BTN_Y){
DrawMap2(18,7 + 13*i,map_button);
}
if(btnReleased[i] & BTN_SL){
DrawMap2(10,4 + 13*i,map_bumper);
}
if(btnReleased[i] & BTN_SR){
DrawMap2(18,4 + 13*i,map_bumper);
}
}
}
btnPrev[0] = btnHeld[0];
btnPrev[1] = btnHeld[1];
}
}
/**
* Main menu (level selection)
*/
void menu() {
uint8_t scroll = 0;
uint8_t delay = false;
uint8_t e_traj_offset1 = 0;
uint8_t e_traj_offset2 = ELECTRON_TRAJECTORY_LAST_STEP / 2;
unsigned int joypad;
ClearVram();
hide_sprites();
for (uint8_t sprite_id = 0; sprite_id < 6; sprite_id++) {
sprites[sprite_id].tileIndex = TILE_FIRST_ELECTRON + sprite_id;
}
DrawMap2(2, 2, logo_logo_map);
// credits
Print(2, 23, PSTR("2011 UZEBOX ATOMIX"));
Print(2, 24, PSTR("PROGRAM: MARTIN SUSTEK"));
Print(2, 25, PSTR("LEVEL DESIGN: ANDREAS WUEST"));
// initial scroll position
scroll = (level - 1);
if ((level - 1) < SCREEN_MENU_LEVEL_LINES) {
scroll = 0;
}
if ((level - 1) > LEVEL_COUNT - SCREEN_MENU_LEVEL_LINES) {
scroll = LEVEL_COUNT - SCREEN_MENU_LEVEL_LINES;
}
while (true) {
WaitVsync(1);
// electrons animation
e_traj_offset1++;
if (e_traj_offset1 > ELECTRON_TRAJECTORY_LAST_STEP) {
e_traj_offset1 = 0;
}
e_traj_offset2++;
if (e_traj_offset2 > ELECTRON_TRAJECTORY_LAST_STEP) {
e_traj_offset2 = 0;
}
sprites[0].x = (SCREEN_ELECTRON_X + pgm_read_byte(e_traj_1x + e_traj_offset1));
sprites[0].y = (SCREEN_ELECTRON_Y + pgm_read_byte(e_traj_1y + e_traj_offset1));
sprites[1].x = (SCREEN_ELECTRON_X + pgm_read_byte(e_traj_2x + e_traj_offset2));
sprites[1].y = (SCREEN_ELECTRON_Y + pgm_read_byte(e_traj_2y + e_traj_offset2));
sprites[2].x = (SCREEN_ELECTRON_X + pgm_read_byte(e_traj_3x + e_traj_offset1));
sprites[2].y = (SCREEN_ELECTRON_Y + pgm_read_byte(e_traj_3y + e_traj_offset1));
sprites[3].x = (SCREEN_ELECTRON_X + pgm_read_byte(e_traj_1x + e_traj_offset2));
sprites[3].y = (SCREEN_ELECTRON_Y + pgm_read_byte(e_traj_1y + e_traj_offset2));
sprites[4].x = (SCREEN_ELECTRON_X + pgm_read_byte(e_traj_2x + e_traj_offset1));
sprites[4].y = (SCREEN_ELECTRON_Y + pgm_read_byte(e_traj_2y + e_traj_offset1));
sprites[5].x = (SCREEN_ELECTRON_X + pgm_read_byte(e_traj_3x + e_traj_offset2));
sprites[5].y = (SCREEN_ELECTRON_Y + pgm_read_byte(e_traj_3y + e_traj_offset2));
for (uint8_t i = 0; i < SCREEN_MENU_LEVEL_LINES; i++) {
uint8_t current_level = (i + 1 + scroll);
if ((current_level > 0) && (current_level <= 50)) {
uint8_t y = 11 + i;
// level number
PrintByte(3, y, current_level, false);
// level name (shorten and pad with spaces)
for (uint8_t j = 0; j < 24; j++) {
char ch = pgm_read_byte(levels + (current_level - 1) * LEVEL_BYTE_SIZE + j);
if (ch == '\0') {
ch = ' ';
}
PrintChar(6 + j, y, ch);
}
// level done yet symbol
if (eeprom_data.data[current_level / 8] & 1 << (current_level % 8)) {
PrintChar(4, y, FONT_TICK);
} else {
PrintChar(4, y, ' ');
}
// cursor symbol
if (current_level == level) {
PrintChar(5, y, FONT_CURSOR);
} else {
PrintChar(5, y, ' ');
}
}
}
// molecule thumbnail
draw_molecule(21, 2);
// controls
if (delay) {
WaitVsync(4);
delay = false;
}
joypad = ReadJoypad(0);
if (joypad & BTN_UP) {
if (level > 1) {
play_sound(SOUND_MENU_MOVE);
level--;
if (scroll + 1 > level) {
scroll--;
}
delay = true;
} else {
play_sound(SOUND_MENU_CANT_MOVE);
}
}
if (joypad & BTN_DOWN) {
if (level < LEVEL_COUNT) {
play_sound(SOUND_MENU_MOVE);
level++;
if (scroll + SCREEN_MENU_LEVEL_LINES < level) {
scroll++;
}
delay = true;
} else {
play_sound(SOUND_MENU_CANT_MOVE);
}
}
if (joypad & BTN_START) {
hide_sprites();
play_sound(SOUND_MENU_SELECT);
return;
}
}
}
unsigned char processControls(void){
static unsigned char ov=4,scroll=0;
static int lastbuttons=0;
unsigned int joy=ReadJoypad(0);
if(joy&BTN_A){
if(action!=ACTION_JUMP){
action=ACTION_JUMP;
frame=0;
jmpPos=0;
}
}else if(joy&BTN_X){
Scroll(0,1);
// while(ReadJoypad(0)!=0);
}else if(joy&BTN_Y){
Scroll(0,-1);
// while(ReadJoypad(0)!=0);
}else if(joy&BTN_SR){
// Scroll(1,0);
// while(ReadJoypad(0)!=0);
}else if(joy&BTN_SL){
// Scroll(-1,0);
// while(ReadJoypad(0)!=0);
}else if(joy&BTN_UP){
//if(sy==0)sy=(VRAM_TILES_V*8);
//sy--;
//while(ReadJoypad(0)!=0);
}else if(joy&BTN_DOWN){
//sy++;
//if(sy>=(VRAM_TILES_V*8))sy=0;
// while(ReadJoypad(0)!=0);
}
if(joy&BTN_LEFT){
//while(ReadJoypad(0)!=0);
if(action==ACTION_IDLE){
action=ACTION_WALK;
dx=-1;
frame=0;
stopping=false;
walkFrame=0;
lastWalkDir=BTN_LEFT;
sprDir=-1;
}
}else if(joy&BTN_RIGHT){
//while(ReadJoypad(0)!=0);
if(action==ACTION_IDLE){
action=ACTION_WALK;
dx=1;
frame=0;
stopping=false;
walkFrame=0;
lastWalkDir=BTN_RIGHT;
sprDir=1;
}
if(sx>=110){
if(joy&BTN_B){
Scroll(2,0);
scroll+=2;
}else{
Scroll(1,0);
scroll++;
}
if(scroll>=8){
loadNextStripe();
scroll=0;
}
}
}
if(joy&BTN_START){
ov++;
if(ov>OVERLAY_LINES)ov=0;
Screen.overlayHeight=ov;
while(ReadJoypad(0)!=0);
}
if(joy&BTN_SELECT){
StopSong();
while((ReadJoypad(0)&BTN_SELECT)!=0);
}
if(stopping==true && stopFrame==1){
action=ACTION_IDLE;
stopping=false;
dx=0;
}else if(lastWalkDir!= (joy & (BTN_LEFT+BTN_RIGHT)) && action==ACTION_WALK){
if((joy & (BTN_LEFT+BTN_RIGHT))!=0 ){
frame=17;
}else{
stopping=true;
stopFrame=0;
}
}
lastbuttons=joy;
lastWalkDir= joy & (BTN_LEFT+BTN_RIGHT);
return 0;
}
char singleloop(GameStruct* game)
{
PlayerStruct singlep;
MainStruct mains;
ItemStruct zombie[MAX_ZOMBIES];
ItemStruct shots[2];
init(&mains, &singlep, 1, game, zombie, shots);
for(;; game->frames++)
{
WaitVsync(1);
drawoverlay(game, &singlep);
gameflags(game);
playerflags(&singlep);
singlep.joypad = ReadJoypad(0);
if(singlep.life <= 0)
{
switch(gameovermenu(game, &singlep))
{
case 1:
return 1;
case 2:
return 0;
default:
break;
}
}
else if(singlep.joypad&BTN_SELECT && game->flagcount >= DEBOUNCE_DELAY)
{
game->flagcount = 0;
if(game->flags & GAMEPAUSED)
game->flags &= ~GAMEPAUSED;
else
game->flags |= GAMEPAUSED;
}
if(game->flags & GAMEPAUSED)
continue;
rendermap(&mains, 1);
screenSections[1].scrollX = mains.x.s;
screenSections[1].scrollY = mains.y.s;
singlemove(&singlep, &mains, shots);
inputanim(&singlep);
singlep.gundelay++;
for(int i = 0; i < 2; i++)
handleshot(&mains, game, &singlep, &shots[i], zombie);
necromancer(zombie, &mains, game, &singlep, 1);
if(!(singlep.flags & PLAYERHURT) || game->frames&2)
{
sprites[1].x = sprites[2].x = singlep.x;
sprites[1].y = singlep.y;
sprites[2].y = singlep.y + TILE_HEIGHT;
}
else
{
sprites[1].x = sprites[2].x = DISABLED_SPRITE;
sprites[2].y = sprites[1].y = DISABLED_SPRITE;
}
}
}
u8 OpenMenu(){
ClearTextVram();
SetTileTable(tiles);
SetFontTilesIndex(TILES_SIZE);
//Show object types
Print(6,2,PSTR("Select life object to insert"));
Print(5,3,PSTR("at the current cursor position"));
Print(7,7,PSTR("Glider"));
Print(7,8,PSTR("Lightweight spaceship (LWSS)")) ;
Print(7,9,PSTR("R-Pentamino"));
Print(7,10,PSTR("Gosper glider gun"));
Print(7,11,PSTR("Clear field"));
Print(7,12,PSTR("Exit game"));
//slide in menu
WaitVsync(1);
Fill(0,0,40,1,0);
for(u8 i=1;i<29;i++){
WaitVsync(1);
vmode_text_lines=i;
}
s8 option=0,x=5,y=7;
u16 joy,prevJoy=0;
while(1){
WaitVsync(1);
joy=ReadJoypad(0);
if(prevJoy==0){
if (joy==BTN_UP){
if(option>0) option--;
}else if (joy==BTN_DOWN){
if(option<5)option++;
}else if(joy==BTN_SELECT){
break;
}else if(joy==BTN_START){
switch(option){
case 0:
glider(cursor_x,cursor_y);
break;
case 1:
lwss(cursor_x,cursor_y);
break;
case 2:
rPentamino(cursor_x,cursor_y);
break;
case 3:
gliderGun(cursor_x,cursor_y);
break;
case 4:
ClearVram();
break;
default:
while(ReadJoypad(0)!=0);
return 1; //signal game end, back to main menu
}
break;
}
}
prevJoy=joy;
AnimateCursor(x,y+option);
}
while(ReadJoypad(0)!=0);
//close menu
for(u8 i=29;i>0;i--){
WaitVsync(1);
vmode_text_lines=i;
}
ClearTextVram();
SetTileTable(font);
SetFontTilesIndex(0);
CreateStatusBar();
return 0;
}
char introscreen(GameStruct* game)
{
unsigned char counter;
unsigned int joypad;
ClearVram();
memset(sprites, 0, sizeof(struct SpriteStruct)*32);
SetFontTilesIndex(49);
screenSections[1].flags = SCT_PRIORITY_BG;
screenSections[0].tileTableAdress = zombienator_title;
screenSections[1].scrollX = screenSections[1].scrollY = 0;
setoverlay(0);
game->menupos = counter = 0;
DrawMap2(0,6, title_map);
for(int i = 0; i < 22; i++)
SetTile(i, 10, 27 + i);
for(;;)
{
WaitVsync(1);
Fill(0,13, SCREEN_TILES_H, SCREEN_TILES_V - 13, 0);
Print(5, 14, singlestr);
Print(5, 15, multistr);
Print(5, 16, highstr);
Print(3, 14 + game->menupos, selectstr);
joypad = 0;
counter++;
game->frames++;
if(counter >= 15)
{
counter = 0;
while(!(joypad&(BTN_START|BTN_SELECT|BTN_UP|BTN_DOWN)))
{
joypad = ReadJoypad(0);
switch(joypad&(BTN_START|BTN_SELECT|BTN_UP|BTN_DOWN))
{
case BTN_START:
case BTN_SELECT:
if(game->menupos == 0)
return 1;
else if(game->menupos == 1)
return 2;
break;
case BTN_UP:
if(game->menupos > 0 )
game->menupos--;
else
game->menupos = 2;
break;
case BTN_DOWN:
if(game->menupos < 2)
game->menupos++;
else
game->menupos = 0;
break;
}
}
}
}
return 0;
}
int main()
{
unsigned char x,corner;
unsigned char frames;
unsigned int joypad;
unsigned char player_x, player_y;
unsigned char exit_x=0, exit_y=0;
unsigned int z=0;
int ay,ax,j;
SetFontTable(fonts); // this tells Print___() commands what font to use
ClearVram(); // clears out display memory (like a 'clear screen')
//DDRD &= 0xF7; // These are used by the "power" switch and LED on the "Gamer" baseboard that
//PORTD|= 0x08; // is paired with the AVCore. The 'power' button is used to switch mazes for now.
new_maze:
for(ay=0; ay<Y_SIZE; ay++)
{
for(ax=0; ax<X_SIZE; ax++)
if(ax>0 && ay>0 && ax<X_SIZE-1 && ay<Y_SIZE-1) // fills the maze with walls, that are then 'drilled' out
maze[ay][ax]=WALL;
else
maze[ay][ax]=BLANK;
}
ay=2; // 2,2 is the top left corner of the maze
ax=2;
maze[ay][ax]=4; // starting state for the maze generator
do
{
while(drill(&ay,&ax,(int)(rand()&0x03))) {} // start drilling things out (using random)
j=maze[ay][ax]; // note that the first time the game runs, the maze will always be
maze[ay][ax]=BLANK; // the same because of the random number generator always starting
if(j<4) // in the same state. (Normally I will 'sum' the contents of RAM
{ // on power-up to make a random seed, but I don't know how to mess
/* back-track */ // with WinAVR's C-startup yet.)
ax=ax-2*dx[j];
ay=ay-2*dy[j];
}
} while(j<4);
do{ // This generates a random position inside the maze to start the
do player_x=rand(); // player. Seems more interesting than a corner.
while ((player_x>=X_SIZE-1)||(player_x<=1));
do player_y=rand();
while ((player_y>=Y_SIZE-1)||(player_y<=1));
}
while (maze[player_y][player_x]==WALL); // (repeats until it picks a random spot that's not a wall)
maze[player_y][player_x]=PLAYER; // place the player in the maze
do // here we choose a random number from 0-3, representing one of the
{ // four corners of the maze.
corner=rand()&0x03;
switch (corner)
{
case 0:
exit_x=2; exit_y=2; break;
case 1:
exit_x=X_SIZE-3; exit_y=2; break;
case 2:
exit_x=X_SIZE-3; exit_y=Y_SIZE-3;break;
case 3:
exit_x=2; exit_y=Y_SIZE-3; break;
}
}
while (abs(player_x-exit_x)<16); // we compare the distance from the player to the exit (horizontally)
// and only accept the corner if it's relatively far away from the player
// (could use both x and y distance for better effect)
maze[exit_y][exit_x]=EXIT; // place the exit in the maze
redraw(); // draw the screen for the player
// This is what happens when you turn a static demo into a 'game'
// For a real game, you probably don't want to do this, but it works here and is simple...
//while(PIND&0x04) // if the button on the Gamer Baseboard isn't pressed
while(ReadPowerSwitch()==0) // if the button on the Gamer Baseboard isn't pressed
{z++; // the z counter is used later on for a seed for the random number generator (user interaction = randomness)
joypad=ReadJoypad(0); // get the joypad state
WaitVsync(1); // this waits a frame and essentially slows the gameplay down
frames++; // frame counter can be used for animations (later)
if (joypad&0xff) // if the D-pad has a bit or more pressed
{
maze[player_y][player_x]=BLANK; // erase the old player position
if (joypad&BTN_DOWN) // down?
if (maze[player_y+1][player_x]!=WALL) // don't move if a wall is blocking your path
player_y++; // you could 'switch/case' these with breaks to easily disable diagonal moves...
if (joypad&BTN_UP) // up?
if (maze[player_y-1][player_x]!=WALL)
player_y--;
if (joypad&BTN_LEFT) // left?
if (maze[player_y][player_x-1]!=WALL)
player_x--;
if (joypad&BTN_RIGHT) // right
if (maze[player_y][player_x+1]!=WALL)
player_x++;
if (maze[player_y][player_x]==EXIT) // if the new position is the EXIT, you just won
{
maze[exit_y][exit_x]=PLAYER; // place the player on top of the exit
redraw(); // draw the screen for the user
Print(14,25,strWin); // prints the "YOU ESCAPED!" message
WaitVsync(30); // and waits for a while.
for (x=14;x<26;x++) // this loops over the "YOU ESCAPED!" message
SetTile(x,25,11); // and erases it.
break; // this breaks out of the while(PIND...) loop, causing a new maze to be generated
}
maze[player_y][player_x]=PLAYER; // after the movement calculations, put the player in the new spot
}
else
{
// check for idle time // use the frame counter to make the player graphic change if you wait around. ;-)
}
srand(z); // our player-influenced 'z' value is now used to reseed the random number generator, resulting in a 'new' maze
redraw(); // redraw the screen to update new player position
}
goto new_maze; // this is just a hack to go do everything over again. Before anyone lectures me about using GOTO, think about
// why every CPU has a 'jump/goto' instruction in its assembly language and uses it-- frequently. :-)
}