//Callback invoked by UzeboxCore.Initialize()
void DisplayLogo(){
#if INTRO_LOGO !=0
#define LOGO_X_POS 8
InitMusicPlayer(logoInitPatches);
screenSections[0].tileTableAdress=uzeboxlogo;
//draw logo
ClearVram();
WaitVsync(15);
#if INTRO_LOGO == 1
TriggerFx(0,0xff,true);
#endif
DrawMap(LOGO_X_POS,12,map_uzeboxlogo);
WaitVsync(3);
DrawMap(LOGO_X_POS,12,map_uzeboxlogo2);
WaitVsync(2);
DrawMap(LOGO_X_POS,12,map_uzeboxlogo);
#if INTRO_LOGO == 2
SetMasterVolume(0xc0);
TriggerNote(3,0,16,0xff);
#endif
WaitVsync(65);
ClearVram();
WaitVsync(20);
#endif
}
//Callback invoked by UzeboxCore.Initialize()
void DisplayLogo(){
#if INTRO_LOGO !=0
#define LOGO_X_POS 18
InitMusicPlayer(logoInitPatches);
SetTileTable(uzeboxlogo);
//draw logo
ClearVram();
WaitVsync(15);
#if INTRO_LOGO == 1
TriggerFx(0,0xff,true);
#endif
DrawMap2(LOGO_X_POS,12,map_uzeboxlogo);
WaitVsync(6);
DrawMap2(LOGO_X_POS,12,map_uzeboxlogo2);
WaitVsync(4);
DrawMap2(LOGO_X_POS,12,map_uzeboxlogo);
#if INTRO_LOGO == 2
SetMasterVolume(0xc0);
TriggerNote(3,0,16,0xff);
#endif
WaitVsync(64);
ClearVram();
WaitVsync(20);
#endif
}
int main(){
//Set the font and tiles to use.
//Always invoke before any ClearVram()
SetTileTable(font);
//Clear the screen (fills the vram with tile zero)
ClearVram();
//define background color for text rows 10,12 & 14
backgroundColor[10]=2;
backgroundColor[12]=6;
backgroundColor[14]=2;
//Prints a string on the screen. Note that PSTR() is a macro
//that tells the compiler to store the string in flash.
Print(0,10,PSTR("012345678901234567890123456789012345678901234567890123456789"));
Print(9,12,PSTR("HIGH RESOLUTION MODE DEMO 60X28 - 6X8 TILES"));
Print(0,14,PSTR("012345678901234567890123456789012345678901234567890123456789"));
while(1);
}
void WinGame(){
while(GetMasterVolume()){
if(GetMasterVolume() > 4)
SetMasterVolume(GetMasterVolume()-4);
else{
StopSong();
break;
}
WaitVsync(1);
}
FadeOut(9,true);
SetTileTable(font_tiles);
ClearVram();
WaitVsync(45);
SetMasterVolume(BB_MASTER_VOLUME);
//TriggerNote(4,24,8,255);//StartSong(main_song);
FadeIn(2,false);
TextWriter(1,0,epilogue_string);
while(1){
WaitVsync(1);
if(padState & BTN_START && !(oldPadState & BTN_START))
break;
}
FadeOut(7,true);
}
/**
* \brief Draws Main Menu screen.
*/
void drawMainMenu()
{
//setup cursor position for use with this menu screen
menu_x = fakemod((drawX+9),VRAM_TILES_H);
menu_y = 15;
ClearVram(); //wipe screen
drawFrame(); //draw up generic menu frame
//draw fancy title. broken into pieces so it can be reused as much as possible to save space
DrawMap2(fakemod((drawX+7),VRAM_TILES_H),4,title_gh);
DrawMap2(fakemod((drawX+13),VRAM_TILES_H),4,title_o);
DrawMap2(fakemod((drawX+16),VRAM_TILES_H),4,title_st);
DrawMap2(fakemod((drawX+21),VRAM_TILES_H),4,title_y);
DrawMap2(fakemod((drawX+9),VRAM_TILES_H),9,title_gh);
DrawMap2(fakemod((drawX+15),VRAM_TILES_H),10,title_moon);
DrawMap2(fakemod((drawX+18),VRAM_TILES_H),9,title_st);
//draw menu options
Print(fakemod((drawX+11),VRAM_TILES_H),15,PSTR("START GAME"));
Print(fakemod((drawX+11),VRAM_TILES_H),17,PSTR("HI SCORES"));
Print(fakemod((drawX+11),VRAM_TILES_H),19,PSTR("SOUND:"));
//draw copyright info
Print(fakemod((drawX+4),VRAM_TILES_H),24,PSTR("(C) 2015 JAMES ELLIOTT"));
//draw on/off next to sound option
refreshMainMenuSound();
}
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;
}
/**
* Does complete refresh of game screen
*/
void refresh_game_screen() {
ClearVram();
DrawMap2(0, 0, tiles_screen);
draw_field();
draw_molecule(SCREEN_MOLECULE_X, SCREEN_MOLECULE_Y);
draw_statistics();
draw_name();
draw_cursor();
}
/**
* \brief Performs setup and re-initialization needed before each new game.
*
* Resets the player score, resets variables for drawing columns, sets a new random ghost color, moves the player back to the starting position, erases columns from last game,
* turns scrolling back on and makes the player visible again.
*/
static void gameSetup()
{
randomSky();
//fill screen with tile 1 again to erase menu
ClearVram();
for(u8 i = 0; i < 4; i++) //reset column data with 0's to start fresh
{
pipe_x[i] = 0;
pipe_y[i] = 0;
}
for(u8 k = 0; k < 32; k++)
{
bg[k] = 1;
}
//reset all score data from last game to 0
score = 0;//score = 0;
score_ones=0;
score_tens=0;
score_hundreds=0;
fake_x = 80; //reset how far we've flown
player_x = 80; //reset player position
player_y = 40;
yspeed = 0; //make sure we start at 0 speed
//draw the background
for(u8 i = 0; i < VRAM_TILES_H; i++)
{
pipe_alarm=2; //make sure we never draw a column while we're drawing the starting screen
loadNextStripe(); //go through each column and draw the background
}
//select a random color for the ghost and set the appropriate sprite
ghost_color=(prng()%3); //the ghost has 3 frames and 3 color options, so we set the active sprite to the frame count (0 - 2) + the color (0, 3, or 6) to get the correct sprite
ghost_color=(ghost_color+(ghost_color<<1));
current_sprite = player_sprites[current_frame+ghost_color];
//assign and move the player image to start the new game
MoveSprite(0,player_x,player_y,3,3);
MapSprite2(0,current_sprite,0);
//make player visible
SetSpriteVisibility(true);
//reset variables to draw new columns correctly
current_pipe=0;
build_pipe=0;
pipe_alarm = 1;
pipe_col_drawn = 0;
//turn scrolling on to begin the game
scrollingOn=true;
}
void init(MainStruct *mains, PlayerStruct players[], char nrplayers, GameStruct *game, ItemStruct zombie[MAX_ZOMBIES], ItemStruct shots[][2])
{
ClearVram();
srand(game->frames);
//Set everything to 0
memset(mains, 0, sizeof(MainStruct));
memset(players, 0, sizeof(PlayerStruct)*nrplayers);
memset(game, 0, sizeof(GameStruct));
memset(zombie, 0, sizeof(ItemStruct)*MAX_ZOMBIES);
memset(shots, 0, sizeof(ItemStruct)*4);
memset(sprites, 0, sizeof(struct SpriteStruct)*32);
//init graphics as well
initgraphics(mains);
setoverlay(nrplayers);
for(int p = 0; p < nrplayers; p++)
{
//Main char sprites and guns
players[p].sprite.nrsprite = 1 + 4 * p;
players[p].sprite.animcount = 0;
players[p].sprite.nranim = 1 + 22 * p;
sprites[players[p].sprite.nrsprite].tileIndex=1 + 22 * p;
sprites[players[p].sprite.nrsprite+1].tileIndex=11 + 22 * p;
sprites[players[p].sprite.nrsprite].x = sprites[players[p].sprite.nrsprite+1].x = players[p].x;
sprites[players[p].sprite.nrsprite].y = players[p].y;
sprites[players[p].sprite.nrsprite+1].y = players[p].y + TILE_HEIGHT;
//Init the shots as well.
for(int i = 0; i < 2; i++)
{
shots[p][i].sprite.nrsprite = players[p].sprite.nrsprite + 2 + i;
shots[p][i].sprite.nranim = 64;
shots[p][i].x = shots[p][i].y = DISABLED_SPRITE;
shots[p][i].kill = NOT_ZOMBIE;
sprites[shots[p][i].sprite.nrsprite].tileIndex = 64;
}
//init player variables
players[p].x = 72 + 10 * p; //entry point yeah!
players[p].y = 166;
players[p].life = 3;
players[p].gundelay = 35;
}
//init various game variables
game->zombies = 1;
initzombie(&(zombie[0]), mains, 9);
return;
}
int main(){
unsigned int i;
unsigned int j;
ClearVram();
SetBorderColor(0xBFU);
/* Fill VRAM */
for (i = 0U; i < VRAM_SIZE; i++){
aram[i * 2U ] = (i ) & 0xFFU;
aram[i * 2U + 1U] = (i * 3U) & 0xFFU;
}
for (i = 0U; i < VRAM_SIZE; i++){
vram[i] = (i * 5U) & 0xFFU;
}
/* Bitmap modes */
palette[0] = 0x00U;
palette[1] = 0xC0U;
palette[2] = 0x38U;
palette[3] = 0xF8U;
palette[4] = 0x07U;
palette[5] = 0xC7U;
palette[6] = 0x3FU;
palette[7] = 0xFFU;
SetTileTableRow(M40_TILEROW_3BPP, 8U);
SetTileTableRow(M40_TILEROW_3BPP, 9U);
SetTileTableRow(M40_TILEROW_3BPP, 10U);
SetTileTableRow(M40_TILEROW_3BPP, 11U);
SetTileTableRow(M40_TILEROW_1BPP, 12U);
SetTileTableRow(M40_TILEROW_1BPP, 13U);
SetTileTableRow(M40_TILEROW_1BPP, 14U);
SetTileTableRow(M40_TILEROW_1BPP, 15U);
for (j = 0U; j < 16U; j ++){
for (i = 0U; i < 32U; i ++){
PutPixel(i + (j << 1) + 0U, i + 32U, j);
PutPixel(i + (j << 1) + 1U, i + 32U, j);
}
}
while(1);
}
/**
* Called by the assembler initialization routines, should not be called directly.
*/
void InitConsole(void){
#if INTRO_LOGO ==1
InitMusicPlayer(initPatches);
SetTileTable(uzeboxlogo);
SetFontTable(uzeboxlogo);
//draw logo
ClearVram();
WaitVsync(15);
TriggerFx(0,0xff,true);
DrawMap(LOGO_X_POS,12,map_uzeboxlogo);
WaitVsync(3);
DrawMap(LOGO_X_POS,12,map_uzeboxlogo2);
WaitVsync(2);
DrawMap(LOGO_X_POS,12,map_uzeboxlogo);
WaitVsync(40);
ClearVram();
WaitVsync(20);
#endif
}
/**
* \brief Helper function to draw the reusable menu frame.
*/
void drawFrame(void)
{
SetSpriteVisibility(false); //turn off sprites for now, the menus only use background tiles anyway
//to minimize weird problems with drawing a static screen due to mode 3 scrolling, or VRAM_TIES_H vs SCREEN_TILES_H (or something, couldn't figure it out)
//scroll the game back to its starting position then turn scrolling back off
scrollingOn=true;
while(scroll != 0) //reset to align edge of screen to a tile, not part way in between
{
processScrollSpeed();
}
while(drawX != (VRAM_TILES_H-1)) //scroll until the screen is aligned with its starting position (tile position 0 at far left)
{
processScrollSpeed();
}
scrollingOn=false;
ClearVram(); //clear screen to prep for drawing the frame
u8 drawXTemp = fakemod((drawX+2),VRAM_TILES_H);//variable used for tracking horizontal position of tiles as we draw them. drawing is done top to bottom left to right
SetTile(drawXTemp, 1, FRAME_TL); //place top left corner tile
for(u8 y=2; y<VRAM_TILES_V-2; y++)//draw lefthand border
{
SetTile(drawXTemp, y, FRAME_L);
}
SetTile(drawXTemp, VRAM_TILES_V-2, FRAME_BL); //place bottom left corner tile
for(u8 x=0; x<24; x++)//draw middle portion of frame until we reach the right hand side
{
drawXTemp=fakemod((drawXTemp+1),VRAM_TILES_H);
SetTile(drawXTemp, 1, FRAME_T); //draw top piece
for(u8 y=2; y<VRAM_TILES_V-2; y++) //fill middle with black
{
SetTile(drawXTemp, y, BLACK);
}
SetTile(drawXTemp, VRAM_TILES_V-2, FRAME_B); //draw bottom piece
}
drawXTemp=fakemod((drawXTemp+1),VRAM_TILES_H);
SetTile(drawXTemp, 1, FRAME_TR); //place top right corner tile
for(u8 y=2; y<VRAM_TILES_V-2; y++) //draw righthand border
{
SetTile(drawXTemp, y, FRAME_R);
}
SetTile(drawXTemp, VRAM_TILES_V-2, FRAME_BR); //place bottom right corner tile
}
/**
* \brief Draws local high score menu.
*
* Uses the values saved in the topscores array, not eeprom values, this allows displaying scores separately from saving/loading.
*/
void drawLocalHighScoreMenu(void)
{
//set cursor for use with this menu (may one day be needed for scrolling)
menu_x = fakemod((drawX+9),VRAM_TILES_H);
menu_y = 15;
ClearVram(); //blank screen
drawFrame(); //draw generic gui frame
Print(fakemod((drawX+6),VRAM_TILES_H),3,PSTR("LOCAL TOP SCORES:")); //write menu title at top of screen
for(u8 i = 0; i < 10; i++) //print scores 1 - 10 from topscores array
{
PrintInt(fakemod((drawX+17),VRAM_TILES_H),6+(i<<1),topscores[i], false);
PrintInt(fakemod((drawX+11),VRAM_TILES_H),6+(i<<1),i+1, false);
Print(fakemod((drawX+12),VRAM_TILES_H),6+(i<<1),PSTR("."));
}
}
/**
* \brief Performs some basic initialization functions.
*
* Sets up our graphics, initializes a few variables for convenience, loads saved scores and gets the music going.
*/
static void initialSetup()
{
SetSpritesTileTable(ghost_sprites); //sets the tiles to be used for our various sprites
SetFontTilesIndex(TITLE_TILES_SIZE); //tiles for the font were included immediately after the include for background tiles
//therefore this says how many tiles in memory to move forward from the first one
//in order to find the beginning of the font tiles
SetTileTable(title_tiles); //sets the tiles to be used for the normal background tiles in the game
//fonts use this and the index above to set font tiles
InitMusicPlayer(patches); //initialize the sound engine
SetMasterVolume(0xff); //set volume to max
StartSong(midisong); //start playing the main theme
ClearVram(); //fill entire screen with first tile in the tileset (blank the screen)
//set up some convenience variables for changing player image and drawing the score
player_sprites[0]=ghost0;
player_sprites[1]=ghost1;
player_sprites[2]=ghost2;
player_sprites[3]=ghost3;
player_sprites[4]=ghost4;
player_sprites[5]=ghost5;
player_sprites[6]=ghost6;
player_sprites[7]=ghost7;
player_sprites[8]=ghost8;
numbers[0]=num0;
numbers[1]=num1;
numbers[2]=num2;
numbers[3]=num3;
numbers[4]=num4;
numbers[5]=num5;
numbers[6]=num6;
numbers[7]=num7;
numbers[8]=num8;
numbers[9]=num9;
//checks if our desired eeprom block is setup correctly,
//if not, it wipes it so we don't have to deal with garbage data in the high score list
if(checkEeprom()==1)
{
wipeEeprom();
}
//load our top 10 saved scores from eeprom
LoadScore(0, 9);
}
/**
* \brief Draws the custom intro
*/
void drawIntro(void)
{
ClearVram(); //wipe screen each frame
frame_tick--;
if(frame_tick == 0) //animation alarm has been reached, reset alarm and change sprite to next frame
{
frame_tick = 8; //reset alarm
current_frame++; //move forward to next animation frame
if(current_frame == max_frames)
{
current_frame=0;
}
current_sprite = player_sprites[current_frame]; //change our tracking variable to the correct sprite based on new frame
MapSprite2(0, current_sprite, 0); //actually reassign the sprites in memory to the correct images
}
MoveSprite(0, player_x, player_y, 3, 3); //position ghost sprite
DrawMap2(13,12,map_uzeboxlogo); //draw uzebox logo and name
if((player_x > 104)&&(player_x<108)) //at the right moment, draw the shiny reflection on the logo
DrawMap2(13,12,map_uzeboxlogo2);
}
int main(){
SetTileTable(tiles); //Set the tileset to use (set this first)
SetFontTilesIndex(TILES_SIZE); //Set the tile number in the tilset that contains the first font
ClearVram(); //Clear the screen (fills the vram with tile zero)
long sectorStart;
sdCardInitNoBuffer();
sectorStart = sdCardFindFileFirstSectorFlash(fileName);
if(sectorStart == 0){
Print(0,0,PSTR("FILE HELLWRLD.TXT NOT FOUND ON SD CARD"));
} else {
sdCardCueSectorAddress(sectorStart);
/*
HELLO WORLD FROM THE SD CARD
VERTICAL TEXT
DOUBLE SPACES
DOUBLE LINE SPACING DOUBLE LINE SPACING DOUBLE LINE SPACING DOUBLE LINE SPACING
RUN2SPANXFOR16BITINDEX
*/
// sdCardDirectReadSimple(uint8_t *dest, uint16_t count);
// sdDirectRead(uint8_t *dest, uint16_t count, uint8_t span, uint8_t run);
//
//
// HELLO WORLD FROM THE SD CARD
// Read 28 bytes of test straight to VRAM
// sdCardDirectReadSimple(address, length) == sdDriectReadSimple(address, length, 0, 0)
// That is SPAN = 0 RUN = 0
sdCardDirectReadSimple(&vram[COORD(0,0)], 28); // HELLO WORLD
sdCardSkipBytes(1); // Skip the CR/LF
// VERTICAL TEXT
// SPAN = 39
// RUN = 1
//
// Every 1 (RUN) byte skip 39 (SPAN) bytes
//
// Screen width = 40 so 39 is screen width - 1
sdCardDirectRead(&vram[COORD(0,2)], 13, 39, 1); // VERTICAL TEXT
sdCardSkipBytes(1); // Skip the CR/LF
// DOUBLE SPACES
// SPAN = 1
// RUN = 1
//
// Every 1 (RUN) byte skip 1 (SPAN) bytes
sdCardDirectRead(&vram[COORD(3,2)], 13, 1, 1); // DOUBLE SPACES
sdCardSkipBytes(1); // Skip the CR/LF
// DOUBLE SPACES
// SPAN = 39
// RUN = 80
//
// Every 40 (RUN) bytes skip 39 (SPAN) bytes
// 40 is one whole line of text
// 39 is (40-1)
sdCardDirectRead(&vram[COORD(0,17)], 80, 39, 40); // DOUBLE LINE SPACING
sdCardSkipBytes(1); // Skip the CR/LF
// 16 bit modes
// SPAN = 38
// RUN = 2
//
// Every 2 (RUN) bytes skip 38 (SPAN) bytes
// 2 bytes = 16 bits. So modes with a 16 bit tile index could use this to fill in a column
// 38 is (40-2)
sdCardDirectRead(&vram[COORD(20,4)], 22, 38, 2); // 16 BIT MODES
}
while(1);
}
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;
}
/**
* 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;
}
}
}
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];
}
}
int main(){
unsigned char i,c,x,y,spr;
ClearVram();
//initialize stuff
InitMusicPlayer(patches);
SetMasterVolume(0xc0); //crank up the volume a bit since the sample is not too loud
SetSpritesTileTable(cubes_tileset);
SetSpritesOptions(SPR_OVERFLOW_CLIP);
//To allocate/deallocate a player's voice
//tracks[0].allocated=false;
//tracks[1].allocated=false;
//tracks[2].allocated=false;
//start the beat loop
TriggerNote(3,1,23,0xff);
//Define the screen sections.
for(i=0;i<9;i++){
screenSections[i].tileTableAdress=spritedemo_tileset;
}
screenSections[0].height=76;
screenSections[0].flags=SCT_PRIORITY_SPR;
screenSections[1].height=2;
screenSections[1].vramBaseAdress=vram+(32*37);
screenSections[1].flags=SCT_PRIORITY_BG;
screenSections[2].height=3;
screenSections[2].vramBaseAdress=vram+(32*37);
screenSections[2].flags=SCT_PRIORITY_BG;
screenSections[2].scrollY=2;
screenSections[3].height=3;
screenSections[3].vramBaseAdress=vram+(32*37);
screenSections[3].flags=SCT_PRIORITY_BG;
screenSections[3].scrollY=5;
screenSections[4].height=40;
screenSections[4].vramBaseAdress=vram+(32*32);
screenSections[4].flags=SCT_PRIORITY_SPR;
screenSections[5].height=3;
screenSections[5].vramBaseAdress=vram+(32*38);
screenSections[5].flags=SCT_PRIORITY_BG;
screenSections[6].height=3;
screenSections[6].vramBaseAdress=vram+(32*38);
screenSections[6].flags=SCT_PRIORITY_BG;
screenSections[6].scrollY=3;
screenSections[7].height=2;
screenSections[7].vramBaseAdress=vram+(32*38);
screenSections[7].flags=SCT_PRIORITY_BG;
screenSections[7].scrollY=6;
screenSections[8].height=76;
screenSections[8].flags=SCT_PRIORITY_SPR;
screenSections[8].scrollY=132;
Fill(0,37,32,1,1);
Fill(0,38,32,1,2);
for(y=0;y<30;y+=4){
for(x=0;x<30;x+=5){
DrawMap2(x,y,map_bg);
}
}
DrawMap2(0,32,map_logo);
for(i=22;i<32;i++){
DrawMap2(i,32,map_bar);
}
srand(18);
c=1;
spr=1;
for(i=0;i<7;i++){
//randomize positions
cubes[i].x=((unsigned char)(rand() % 110))+2;
cubes[i].y=((unsigned char)(rand() % 180))+2;
cubes[i].rotation=((unsigned char)(rand() % 7));
if((unsigned char)(rand() % 16)<10){
cubes[i].xdir=1;
}else{
cubes[i].xdir=-1;
}
if((unsigned char)(rand() % 16)<8){
cubes[i].ydir=1;
}else{
cubes[i].ydir=-1;
}
}
c=0;
char w1=0,w2=0;
while(1){
//syncronize gameplay on vsync (30 hz)
WaitVsync(1);
w2++;
if(w2==3){
sx3++;
if(sx3>X_SCROLL_WRAP) sx3=0;
screenSections[1].scrollX=sx3;
screenSections[7].scrollX=sx3;
w2=0;
}
w1++;
if(w1==2){
sx2++;
if(sx2>=X_SCROLL_WRAP) sx2=0;
screenSections[2].scrollX=sx2;
screenSections[6].scrollX=sx2;
w1=0;
}
sx++;
if(sx>=X_SCROLL_WRAP) sx=0;
screenSections[3].scrollX=sx;
screenSections[4].scrollX=sx;
screenSections[5].scrollX=sx;
screenSections[0].scrollY++;
screenSections[8].scrollY++;
spr=1;
for(i=0;i<7;i++){
cubes[i].x+=cubes[i].xdir;
cubes[i].y+=cubes[i].ydir;
if(cubes[i].x>123 && cubes[i].xdir==1){
cubes[i].xdir=-1;
}
if(cubes[i].x<9 && cubes[i].xdir==-1){
cubes[i].xdir=1;
}
cubes[i].y+=cubes[i].ydir;
if(cubes[i].y>=196 && cubes[i].ydir==1){
cubes[i].ydir=-1;
}
if(cubes[i].y<10 && cubes[i].ydir==-1){
cubes[i].ydir=1;
}
if(c==0){
cubes[i].rotation++;
if(cubes[i].rotation==14)cubes[i].rotation=0;
sprites[spr+0].tileIndex=(cubes[i].rotation*2)+1;
sprites[spr+1].tileIndex=(cubes[i].rotation*2)+1+1;
sprites[spr+2].tileIndex=(cubes[i].rotation*2)+1+29;
sprites[spr+3].tileIndex=(cubes[i].rotation*2)+1+30;
}
sprites[spr+0].x=cubes[i].x;
sprites[spr+0].y=cubes[i].y;
sprites[spr+1].x=cubes[i].x+6;
sprites[spr+1].y=cubes[i].y;
sprites[spr+2].x=cubes[i].x;
sprites[spr+2].y=cubes[i].y+8;
sprites[spr+3].x=cubes[i].x+6;
sprites[spr+3].y=cubes[i].y+8;
spr+=4;
c+=128;
}
processControls();
}
}
int main(){
SetUserPostVsyncCallback(&VsyncCallBack);
while(1){
vmode=0;
vmode_text_lines=SCREEN_TILES_V;
paused=true;
u8 option=0;
do{
option=Title();
if(option==1){
DisplayHowToPlay();
}
}while(option!=0);
ClearVram();
SetTileTable(font);
SetFontTilesIndex(0);
CreateStatusBar();
//SetTile(0,0,91);
//SetTile(1,0,92);
//Print(1,0,PSTR("Started Generation: SELECT=Menu"));
vmode_text_lines=1;
//vmode=1;
vmode_grid_col=9;//82;
vmode_page=0;
cursor_x=44;
cursor_y=25;
//R-pentamino
//PutPixel(40,30,1,0);
//PutPixel(41,30,1,0);
//PutPixel(39,31,1,0);
//PutPixel(40,31,1,0);
//PutPixel(40,32,1,0);
//u16 joy;
inMainLoop=true;
bool gameEnd=false;
while(1){
WaitVsync(1);
if(!paused){
ComputeNextStep();
vmode_page^=1;
gen++;
}
if(keyAction!=ACTION_NONE){
switch(keyAction){
case ACTION_STARTSTOP:
paused=!paused;
keyAction=ACTION_NONE;
break;
case ACTION_OPENMENU:
if(OpenMenu()==1){
gameEnd=true;
inMainLoop=false;
}
keyAction=ACTION_NONE;
break;
}
}
UpdateStatusBar();
if(gameEnd)break;
}
}
}
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;
}
int main(){
TriggerFx(0,0,0);
ClearVram();
InitMusicPlayer(patches);
SetMasterVolume(0x40);
StartSong(midisong);
SetSpritesTileTable(mario_sprites_tileset);
SetFontTilesIndex(SMB_TILESET_SIZE);
SetTileTable(smb_tileset);
Screen.scrollHeight = 23;
Screen.overlayHeight=4;
Screen.overlayTileTable=smb_tileset;
DrawMap2(0,Screen.scrollHeight,map_hud);
unsigned char c;
for(int y=0;y<22;y++){
for(int x=0;x<30;x++){
c=pgm_read_byte(&(map_main[(y*MAP_MAIN_WIDTH)+x+2]));
SetTile(x,y+1,c);
}
}
dx=0;
sx=50;
sy=169-32+8;
sprDir=1;
goombaX[0]=17; //159;
goombaDir[0]=-1;
goombaAnim[0]=0;
goombaSpr[0]=0;
goombaSprIndex[0]=6;
goombaX[1]=65 ;//201;
goombaDir[1]=1;
goombaAnim[1]=0;
goombaSpr[1]=0;
goombaSprIndex[1]=10;
MapSprite2(0,map_rwalk1,0);
MapSprite2(6,map_rgoomba1,SPRITE_FLIP_X);
MapSprite2(10,map_rgoomba2,0);
g=0;
MoveSprite(0,sx,sy,2,3);
Scroll(0,-1);
MoveSprite(goombaSprIndex[0],goombaX[0],176,2,2);
MoveSprite(goombaSprIndex[1],goombaX[1],176,2,2);
Screen.scrollY=0;
Screen.overlayHeight=4;//OVERLAY_LINES;
while(1){
WaitVsync(1);
processControls();
if((active&1)!=0){
PerformActions();
MoveSprite(0,sx,sy+dy,2,3);
}else{
MoveSprite(0,sx,230,2,3);
}
//animate goombas
for(g=0;g<2;g++){
if(goombaX[g]<=0 && goombaDir[g]==-1){
goombaDir[g]=1;
}
if(goombaX[g] >= (215+15) && goombaDir[g]==1){
goombaDir[g]=-1;
}
goombaX[g]+=goombaDir[g];
goombaAnim[g]++;
if(goombaAnim[g]==8){
goombaSpr[g]^=1;
goombaAnim[g]=0;
}
if(goombaSpr[g]==0){
MapSprite2(goombaSprIndex[g],map_rgoomba1,goombaDir[g]!=1?SPRITE_FLIP_X:0);
}else{
MapSprite2(goombaSprIndex[g],map_rgoomba2,goombaDir[g]!=1?SPRITE_FLIP_X:0);
}
MoveSprite(goombaSprIndex[g],goombaX[g],176-32+8,2,2);
}
}
}
/**
* \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();
}
}
}
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. :-)
}