void switchTile(Move_t move)
{
REG_DISPCTL = MODE3 | BG2_ENABLE;
// get blank tiles current co-ordinates
int x_blank = game_grid[0].x_cord;
int y_blank = game_grid[0].y_cord;
// calcualte co-ordinates for the tile that you need to switch with the blank tile
int x_tile = 0;
int y_tile = 0;
int tile_to_move = 0;
if (move == UP)
{
x_tile = x_blank;
y_tile = y_blank - 1;
// draw black tiles over the 2 tiles you need to move
} else if (move == DOWN)
{
x_tile = x_blank;
y_tile = y_blank + 1;
} else if (move == RIGHT)
{
x_tile = x_blank + 1;
y_tile = y_blank;
} else //(move == LEFT)
{
x_tile = x_blank - 1;
y_tile = y_blank;
}
tile_to_move = game_state[x_tile][y_tile];
// draw black tiles over the 2 tiles you need to move
WaitForVblank();
drawRect3(y_cords[y_tile], x_cords[x_tile], TILE1_WIDTH, TILE1_HEIGHT, BLACK);
drawRect3(y_cords[y_blank], x_cords[x_blank], TILE1_WIDTH, TILE1_HEIGHT, BLACK);
// draw the two tiles
WaitForVblank();
drawImage3(y_cords[y_tile], x_cords[x_tile], TILE1_WIDTH, TILE1_HEIGHT, game_grid[0].image_data);
drawImage3(y_cords[y_blank], x_cords[x_blank], TILE1_WIDTH, TILE1_HEIGHT, game_grid[tile_to_move].image_data);
// update game_grid
game_grid[tile_to_move].x_cord = x_blank;
game_grid[tile_to_move].y_cord = y_blank;
game_grid[0].x_cord = x_tile;
game_grid[0].y_cord = y_tile;
// update game_state
game_state[x_blank][y_blank] = tile_to_move;
game_state[x_tile][y_tile] = 9;
}
/*
* draws the initial layour of the game
*/
void startGame() {
state = NORMAL;
u16 bgcolor = BLACK;
DMA[3].src = &bgcolor;
DMA[3].dst = videoBuffer;
DMA[3].cnt = 38400 | DMA_ON | DMA_SOURCE_FIXED;
for (int i = 0; i < NUM_RECS; i++) {
drawRect3(topWall[i].yPos, topWall[i].xPos, topWall[i].width, topWall[i].height, topWall[i].color);
drawRect3(bottomWall[i].yPos, bottomWall[i].xPos, bottomWall[i].width, bottomWall[i].height, bottomWall[i].color);
}
}
void runInstructions(){
buttonsIns = BUTTONS;
if(BUTTON_PRESSED_INS(BUTTON_SELECT)){
setupSplash();
stateFunction = runSplash;
}else if(BUTTON_PRESSED_INS(BUTTON_START)){
waitForVblank();
nbr = (nbr +1) %6;
switch(nbr){
case 0: drawImage3(ins1Bitmap,0,0,160,240);
drawString3(140,20,"To return press SELECT", WHITE);
drawString3(150,20,"To continue press START", WHITE);
break;
case 1: drawImage3(ins2Bitmap,0,0,160,240); break;
case 2: drawImage3(ins3Bitmap,0,0,160,240); break;
case 3: drawImage3(ins4Bitmap,0,0,160,240); break;
case 4: drawImage3(ins5Bitmap,0,0,160,240); break;
case 5: drawRect3(0,0,160,240, BLACK); drawString3(40,20,"To PAUSE at any time press SELECT",WHITE);
drawString3(50,20,"To return from PAUSE press START",WHITE);
drawString3(60,20,"To turn cheat ON/OFF press R",WHITE);
break;
}
}
oldButtonsIns = buttonsIns;
}
void zone_gl::drawMisc(unsigned long flags)
{
if (render)
{
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glLineWidth(2);
if (flags & ZONE_VIEWMODE_VIEWSECTIONS)
{
for (int lp = 0; lp < sectionCount; lp++)
sections[lp]->drawFrom(location, 8);
}
//draw a wireframe rectangle that shows zone boundaries
if (flags & ZONE_VIEWMODE_VIEWBOUNDS)
drawRect3(bounds, 8);
if (flags & ZONE_VIEWMODE_VIEWCOLLISIONS)
drawCollisions();
//drawQuery();
glLineWidth(1);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
}
//Brings mario back to home when wall is it
void home() {
drawRect3(currentPlayer.x, currentPlayer.y, MARIO_WIDTH, MARIO_HEIGHT, CYAN);
currentPlayer.x = SCREEN_HEIGHT - MARIO_HEIGHT - BOTTOM_BUFFER - 5;
currentPlayer.y = SCREEN_WIDTH/2 - 20;
drawImage3(currentPlayer.x, currentPlayer.y, MARIO_WIDTH, MARIO_HEIGHT, mario);
playerSpeed=1;
}
//Draws a filled triangle
void drawTriangle3(int r, int c, int side, u16 color) {
int width = 1, i = 0, j = 0;
while (width <= side) {
drawRect3(i+r, j+c, width, 1, color);
width += 2;
i++;
j--;
}
}
//Updates score, lives, speed on bottom of screen
void updateValues() {
drawRect3(SCREEN_HEIGHT - BOTTOM_BUFFER, 0 , SCREEN_WIDTH, BOTTOM_BUFFER, BLACK);
sprintf(scoreString, "Score: %d", currentScore);
drawString(SCREEN_HEIGHT - BOTTOM_BUFFER + BOTTOM_BUFFER/5, 5, scoreString, GREEN);
sprintf(livesString, "Lives: %d", lives);
drawString(SCREEN_HEIGHT - BOTTOM_BUFFER + BOTTOM_BUFFER/5, SCREEN_WIDTH - 60, livesString, GREEN);
sprintf(speedString, "Speed: %d", playerSpeed);
drawString(SCREEN_HEIGHT - BOTTOM_BUFFER + BOTTOM_BUFFER/5, SCREEN_WIDTH/3 + 20, speedString, GREEN);
}
//Initializes score strings, entities
void startGame() {
state = NORMAL;
currentPlayer.x = SCREEN_HEIGHT - MARIO_HEIGHT - BOTTOM_BUFFER - 5;
currentPlayer.y = SCREEN_WIDTH/2 - 20;
drawRect3(0, 0, 240, 160, CYAN);
drawRect3(SCREEN_HEIGHT - BOTTOM_BUFFER, 0 , SCREEN_WIDTH, BOTTOM_BUFFER, BLACK);
drawImage3(currentPlayer.x, currentPlayer.y, MARIO_WIDTH, MARIO_HEIGHT, mario);
sprintf(scoreString, "Score: %d", currentScore);
drawString(SCREEN_HEIGHT - BOTTOM_BUFFER + BOTTOM_BUFFER/5, 5, scoreString, GREEN);
sprintf(livesString, "Lives: %d", lives);
drawString(SCREEN_HEIGHT - BOTTOM_BUFFER + BOTTOM_BUFFER/5, SCREEN_WIDTH - 60, livesString, GREEN);
sprintf(speedString, "Speed: %d", playerSpeed);
drawString(SCREEN_HEIGHT - BOTTOM_BUFFER + BOTTOM_BUFFER/5, SCREEN_WIDTH/3 + 20, speedString, GREEN);
srand(frame);
frame = 0;
initSpawned();
spawnCoin();
spawnMushroom();
}
//Moves items down screen
void moveItemsDown() {
for(int i=0; i<=10; i++) {
ITEM* a = &spawned[i];
if(a->x == SCREEN_HEIGHT - BOTTOM_BUFFER - COIN_HEIGHT) {
a->alive=0;
draw();
a->x = 0;
a->y = rand() % SCREEN_WIDTH + 1;
}
if(a->alive){
if(!a->type) {
drawRect3(a->x, a->y, BOMB_WIDTH, BOMB_HEIGHT, CYAN);
a->x++;
} else {
drawRect3(a->x, a->y, COIN_WIDTH, COIN_HEIGHT, CYAN);
a->x++;
}
}
}
draw();
}
//Draws bombs, coins, mushrooms
void draw() {
for(int i=0; i<=10; i++) {
ITEM* a = &spawned[i];
if(!a->alive) {
if(!a->type) {
drawRect3(a->x, a->y, BOMB_WIDTH, BOMB_HEIGHT, CYAN);
}else if(a->type) {
drawRect3(a->x, a->y, COIN_WIDTH, COIN_HEIGHT, CYAN);
} else {
drawRect3(a->x, a->y, MUSHROOM_WIDTH, MUSHROOM_HEIGHT, CYAN);
}
} else {
if(!a->type) {
drawImage3(a->x, a->y, BOMB_WIDTH, BOMB_HEIGHT, bomb);
}else if(a->type==1) {
drawImage3(a->x, a->y, COIN_WIDTH, COIN_HEIGHT, coin);
} else {
drawImage3(a->x, a->y, MUSHROOM_WIDTH, MUSHROOM_HEIGHT, mushroom);
}
}
}
drawImage3(currentPlayer.x, currentPlayer.y, MARIO_WIDTH, MARIO_HEIGHT, mario);
drawImage3(currentPlayer.x, currentPlayer.y, MARIO_WIDTH, MARIO_HEIGHT, mario);
}
//Clears entities on screen and shows end screen
void endGame() {
state = GAMEOVER;
for(int i=0; i<=10; i++) {
ITEM* a = &spawned[i];
a->x=SCREEN_WIDTH*2;
a->y=SCREEN_HEIGHT*2;
a->alive = 0;
}
currentPlayer.x = SCREEN_WIDTH*2;
currentPlayer.y = SCREEN_HEIGHT*2;
draw();
drawRect3(0,0, SCREEN_WIDTH, SCREEN_HEIGHT, BLACK);
drawImage3(0, 0, GAME_OVER_WIDTH, GAME_OVER_HEIGHT, game_over);
sprintf(scoreString, "Final Score: %d", currentScore);
drawString(SCREEN_HEIGHT/2 - 15, SCREEN_WIDTH/2 - 45, scoreString, WHITE);
sprintf(playAgain, "Press 'select' to play again");
drawString(SCREEN_HEIGHT/2, SCREEN_WIDTH/2 - 85, playAgain, WHITE);
}
void instructions() {
REG_DISPCTL = MODE3 | BG2_ENABLE;
fillScreen3(COLOR(0,31,31));
drawRect3(0, 0,0,240,160);
drawString(1, 1, "NERD HERDER!", COLOR(31,31,31));
drawString(21, 1, "As head TA you control the destiny of", COLOR(31,31,31));
drawString(31, 1, "scores of students. It takes dedication,", COLOR(31,31,31));
drawString(41, 1, "strength, and the ability to intimidate.", COLOR(31,31,31));
drawString(51, 1, "In this game you separate the wheat", COLOR(31,31,31));
drawString(61, 1, "from the chaff. Intimidate the nerds to", COLOR(31,31,31));
drawString(71, 1, "their dorm so they'll do their homework.", COLOR(31,31,31));
drawString(81, 1, "Send the flunkies to the M-Train so they", COLOR(31,31,31));
drawString(91, 1, "won't bother the rest of us. Also there", COLOR(31,31,31));
drawString(101, 1, "might be power ups?", COLOR(31,31,31));
drawString(121, 1, "Press A to return", COLOR(31,31,31));
while (state == INSTRUCTIONS) {
key_poll();
if (key_hit(BUTTON_A))
state = SPLASH;
}
}
//Moves mario left
void moveLeft() {
drawRect3(currentPlayer.x, currentPlayer.y, MARIO_WIDTH, MARIO_HEIGHT, CYAN);
currentPlayer.y = currentPlayer.y - playerSpeed;
drawImage3(currentPlayer.x , currentPlayer.y, MARIO_WIDTH, MARIO_HEIGHT, mario);
}
int main()
{
/* Set display control register to Mode 3 and BG2 */
REG_DISPCTL = MODE3 | BG2_ENABLE;
//Sets game up
reset();
while(FOREVER)
{
// Check for paddle movement & collision
paddle[0].pcol = paddleInputAndCollision(paddle[0].pcol);
//Ball Movement and Collisions
ballMovementAndCollision(theBalls, theBricks, paddle[0].pcol, paddle[0].prow, i, k);
waitForVblank();
// Erase, Draw New Paddle, and change Paddle position values
drawRect3(paddle[0].poldrow, paddle[0].poldcol, PHEIGHT, PWIDTH, BLACK);
drawRect3(paddle[0].prow, paddle[0].pcol, PHEIGHT, PWIDTH, paddle[0].color);
paddle[0].poldrow = paddle[0].prow;
paddle[0].poldcol = paddle[0].pcol;
//Loop through each Ball Struct
for(i=0; i<NUM; i++)
{
// Erase old ball & poaddle
drawRect3(theBalls[i].oldrow, theBalls[i].oldcol, theBalls[i].size, theBalls
[i].size, BLACK);
//Checks to see if ball is currently visible and draws it if it is
if(theBalls[i].visible == 1)
{
// Draw new ball & paddle
drawRect3(theBalls[i].row, theBalls[i].col, theBalls[i].size, theBalls[i].size,
theBalls[i].color);
// Transfer values
theBalls[i].oldrow = theBalls[i].row;
theBalls[i].oldcol = theBalls[i].col;
}
}
//Checks to see if all balls have hit the bottom
for(i = 0; i < NUM; i++)
ballCount += !theBalls[i].visible;
if(ballCount == NUM) //Lose if all balls hit the bottom
{
//Erases screen elements
drawRect3(paddle[0].prow, paddle[0].pcol, PHEIGHT, PWIDTH, BLACK);
for(i = 0; i < NUM; i++)
{
drawRect3(theBalls[i].oldrow, theBalls[i].oldcol, theBalls[i].size, theBalls
[i].size, BLACK);
theBalls[i].visible = 0;
}
loseScreen(); //lose screen
reset(); //reset game
}
else //Win if all bricks are hit
{
ballCount = 0;
for(k = 0; k < NUMBRICKS; k++) //Calculates number of bricks hit
{
brickCount += !theBricks[k].visible;
}
if(brickCount == NUMBRICKS) //Checks to see if all bricks are hit
{
//Erase Screen Elements
drawRect3(paddle[0].prow, paddle[0].pcol, PHEIGHT, PWIDTH, BLACK);
for(i = 0; i < NUM; i++)
{
drawRect3(theBalls[i].oldrow, theBalls[i].oldcol, theBalls[i].size, theBalls
[i].size, BLACK);
theBalls[i].visible = 0;
}
winScreen(); //win screen
reset(); //reset game
}
else
brickCount = 0;
}
}
return 0;
}
//calls all the updates and then checks for user button presses and draws everything to the screen.
void runGame() {
if(state == GAMEOVER) {
return;
}
oldGary = gary;
updateGary();
oldMidWall[0] = middleWall[0];
oldMidWall[1] = middleWall[1];
oldMidWall[2] = middleWall[2];
updateMiddle();
for (int i = 0; i < 3; i++) {
drawRect3(oldMidWall[i].yPos, oldMidWall[i].xPos, oldMidWall[i].width, oldMidWall[i].height, BLACK);
drawRect3(middleWall[i].yPos, middleWall[i].xPos, middleWall[i].width, middleWall[i].height, middleWall[i].color);
}
for (int i = 0; i < NUM_RECS; i++)
{
oldTopWall[i] = topWall[i];
oldBottomWall[i] = bottomWall[i];
}
updateBarriers();
for (int i = 0; i < NUM_RECS; i++) {
drawRect3(oldBottomWall[i].yPos, bottomWall[i].xPos, bottomWall[i].width, bottomWall[i].height, BLACK);
}
for (int i = 0; i < NUM_RECS; i++) {
drawRect3(bottomWall[i].yPos, bottomWall[i].xPos, bottomWall[i].width, bottomWall[i].height, bottomWall[i].color);
}
for (int i = 0; i < NUM_RECS; i++) {
drawRect3(oldTopWall[i].yPos, topWall[i].xPos, topWall[i].width, topWall[i].height, BLACK);
}
for (int i = 0; i < NUM_RECS; i++) {
drawRect3(topWall[i].yPos, topWall[i].xPos, topWall[i].width, topWall[i].height, topWall[i].color);
}
distance += 1;
sprintf(buffer, "Distance: %d", distance);
drawString(150, 5, buffer, WHITE);
drawRect3(0,0,240,20,RED);
drawRect3(oldGary.xPos, oldGary.yPos, 15, 21, BLACK);
animator(gary.xPos, gary.yPos);
if(isHit())
endGame();
}
void clearGameState()
{
REG_DISPCTL = MODE3 | BG2_ENABLE;
drawRect3(0,0, 20, 120, BLACK);
}
