static void move() {
switch ( status ) {
case TITLE:
moveTitleMenu();
moveBoss();
moveFoes();
moveBackground();
break;
case IN_GAME:
case STAGE_CLEAR:
moveShip();
moveBoss();
moveLasers();
moveShots();
moveFoes();
moveFrags();
moveBackground();
break;
case GAMEOVER:
moveGameover();
moveBoss();
moveFoes();
moveFrags();
moveBackground();
break;
case PAUSE:
movePause();
break;
}
moveScreenShake();
}
static void move() {
switch ( status ) {
case TITLE:
moveTitleMenu();
moveBackground();
addBullets();
moveFoes();
break;
case IN_GAME:
moveBackground();
addBullets();
moveShots();
moveShip();
moveFoes();
moveFrags();
moveBonuses();
break;
case GAMEOVER:
moveGameover();
moveBackground();
addBullets();
moveShots();
moveFoes();
moveFrags();
break;
case STAGE_CLEAR:
moveStageClear();
moveBackground();
moveShots();
moveShip();
moveFrags();
moveBonuses();
break;
case PAUSE:
movePause();
break;
}
}
void NGLScene::timerEvent( QTimerEvent *_event)
{
// the usual process is to check the event timerID and compare it to
// any timers we have started with startTimer
if (_event->timerId() == m_updateShipTimer)
{
if(m_playbackActive == true)
{
if(m_currentPlaybackFrame <= 0)
{
m_ship->setPos(m_keyRecorder.getStartPosition());
}
if(m_currentPlaybackFrame < m_keyRecorder.size())
{
m_keysPressed=m_keyRecorder[m_currentPlaybackFrame];
++m_currentPlaybackFrame;
}
else
{
m_playbackActive=false;
m_currentPlaybackFrame=0;
}
}
else if (m_recording== true)
{
m_keyRecorder.addFrame(m_keysPressed);
}
moveShip();
}
if (_event->timerId() == m_redrawTimer)
{
update();
}
}
// the main function
void _main(void) {
unsigned int difficulty = NORMAL;
short int key=0;
short int keys[8];
unsigned int level_num = 1;
unsigned short int score = 0;
int done = 0;
unsigned int money = 0;
int cannon_level = 1;
int missile_level = 0;
char map[12][MAP_SIZE];
// seed the random numbers
randomize();
// get the key masks
getKeyMasks(keys);
INT_HANDLER interrupt1 = GetIntVec(AUTO_INT_1); // this will save auto int 1
// draw title screen and wait for keypress
GrayOn();
drawTitle(2);
ngetchx();
//draw background title screen and menu
drawTitle(1);
drawWords(difficulty);
POSITION pointer = {10,0};
drawPointer(pointer);
// the menu loop
while (1) {
key = ngetchx();
if (key == KEY_ENTER && pointer.y != OPTIONS) {
if (pointer.y == PLAY) break;
if (pointer.y == HIGH_SCORES) printHiScores();
if (pointer.y == HELP) doHelp();
if (pointer.y == ABOUT) {
SetIntVec(AUTO_INT_1,interrupt1);
GrayOff();
exit(0);
}
GraySetAMSPlane(LIGHT_PLANE);
clrscr();
GraySetAMSPlane(DARK_PLANE);
clrscr();
drawTitle(1);
drawWords(difficulty);
pointer=(POSITION) {
10,0
};
drawPointer(pointer);
}
if (key == KEY_LEFT && pointer.y == OPTIONS && difficulty < VERY_EASY) {
difficulty+=1;
GraySetAMSPlane(LIGHT_PLANE);
clrscr();
GraySetAMSPlane(DARK_PLANE);
clrscr();
drawTitle(1);
drawPointer(pointer);
drawWords(difficulty);
}
if (key == KEY_RIGHT && pointer.y == OPTIONS && difficulty > IMPOSSIBLE) {
difficulty-=1;
GraySetAMSPlane(LIGHT_PLANE);
clrscr();
GraySetAMSPlane(DARK_PLANE);
clrscr();
drawTitle(1);
drawPointer(pointer);
drawWords(difficulty);
}
if (key == KEY_UP || key == KEY_DOWN) drawPointer(pointer);
if (key == KEY_UP && pointer.y > 0) pointer.y--;
if (key == KEY_DOWN && pointer.y < 4) pointer.y++;
if (key == KEY_UP || key == KEY_DOWN) drawPointer(pointer);
}
key = 0;
// turn off gray, so we can destroy auto-int-1 and not mess it up
GrayOff();
// DESTROY auto-interrupt 1 so as not to mess up _rowread
SetIntVec(AUTO_INT_1,DUMMY_HANDLER);
// turn gray back on
GrayOn();
// randomize the map
randomMap(difficulty, map, level_num);
//the main game loop
while (!quit() && !done) {
done = 0;
int fin = 0;
int win = 0;
int forward = 0;
int map_x_location = 0;
int laser = 0;
int justLaser = 0;
int missile = 0;
int justMissile = 0;
int missileSlow = 2;
POSITION laserPos;
POSITION oldLaserPos;
POSITION missilePos;
POSITION oldMissilePos;
POSITION oldShip;
POSITION ShipPos = {0,5};
// we need to disable gray temporarily to do the shop screen...
GrayOff();
SetIntVec(AUTO_INT_1, interrupt1);
shop(&money, &cannon_level, &missile_level);
SetIntVec(AUTO_INT_1, DUMMY_HANDLER);
GrayOn();
// draws the level
Draw_Map(map_x_location, map, ShipPos, laserPos, laser, missilePos, missile);
// the loop for the action in the level
while (!quit()) {
// if the user has a missile out, deal with it
if (missile && missileSlow == 2) {
missileSlow = 1;
oldMissilePos = missilePos;
missilePos.x++;
missilePos.y+=missile;
if (missilePos.x > map_x_location + 20) missile = 0;
if (missilePos.y < 0 || missilePos.y > 12) {
missile = 0;
eraseMissile(missilePos, map_x_location);
}
if (blowWall(missilePos,map)) {
if (map[missilePos.y][missilePos.x] < 4) {
map[missilePos.y][missilePos.x]-=3;
if (map[missilePos.y][missilePos.x] == 0) {
score++;
money+=BLOCK_VALUE;
}
}
if (map[missilePos.y][missilePos.x] < 0) map[missilePos.y][missilePos.x] = 0;
missile = 0;
justMissile = 0;
Draw_Map(map_x_location,map,ShipPos,laserPos,laser,missilePos,missile);
}
// if the shot was just fired, then there wont be one to erase
if (!justMissile && missile == 1) {
moveMissile(oldMissilePos,missilePos,map_x_location);
} else if (missile == 1) {
drawMissile(missilePos,map_x_location);
justMissile = 0;
} else if (!justMissile && missile == -1) {
moveUpMissile(oldMissilePos, missilePos, map_x_location);
} else if (missile == -1) {
drawUpMissile(missilePos, map_x_location);
justMissile = 0;
}
} else {
missileSlow++;
}
// if the user has a laser shot that is still going, continue it
if (laser) {
oldLaserPos = laserPos;
laserPos.x++;
if (laserPos.x > map_x_location + 20) laser=0;
if (blowWall(laserPos,map)) {
if (map[laserPos.y][laserPos.x] < 4) {
map[laserPos.y][laserPos.x]-=cannon_level;
if (map[laserPos.y][laserPos.x] <= 0) {
score++;
money+=BLOCK_VALUE;
map[laserPos.y][laserPos.x] = 0;
}
} else if (map[laserPos.y][laserPos.x] == 4 && cannon_level == 4) {
map[laserPos.y][laserPos.x] = 1;
}
laser = 0;
justLaser = 0;
Draw_Map(map_x_location,map,ShipPos,laserPos,laser, missilePos, missile);
}
// if the shot was just fired, then there wont be one to erase
if (!justLaser && laser) {
moveLaser(oldLaserPos,laserPos,map_x_location);
} else if (laser) {
drawLaser(laserPos,map_x_location);
justLaser = 0;
}
}
// scroll the screen forward one block every (difficulty) time through the main loop
if (forward == difficulty) {
map_x_location++;
ShipPos.x++;
forward = 0;
if (map_x_location >= MAP_SIZE - 20) {
win = 1;
level_num++;
break;
}
// if you ran into a wall, quit
if (detectWall(ShipPos,map)) {
win = 1;
score /= 2 ;
break;
}
Draw_Map(map_x_location,map,ShipPos,laserPos,laser, missilePos, missile);
} else {
forward++;
}
// if you ran into a wall, quit
if (detectWall(ShipPos,map)) {
win = 1;
score = 0;
break;
}
if (_rowread(~((short)(1<<1))) & (1<<6) && _rowread(~((short)(1<<2))) & (1<<6)) {
win = 1;
level_num++;
break;
}
// get keypresses
key = _rowread(ARROW_ROW);
// if the user pressed right, move the ship right
if (key & keys[RIGHT]) {
oldShip = ShipPos;
ShipPos.x++;
if (ShipPos.x > map_x_location + 18) ShipPos.x--;
if (!detectWall(ShipPos,map)) {
moveShip(oldShip,ShipPos,map_x_location);
} else {
win = 1;
score = 0;
break;
}
}
// If the user pressed left, move the ship left
if (key & keys[LEFT]) {
oldShip = ShipPos;
ShipPos.x--;
if (ShipPos.x < map_x_location) ShipPos.x++;
if (!detectWall(ShipPos,map)) {
moveShip(oldShip,ShipPos,map_x_location);
} else {
win = 1;
score = 0;
break;
}
}
// if the user pressed up, move the ship up
if (key & keys[UP]) {
oldShip = ShipPos;
if (ShipPos.y - 1 < 0) {
ShipPos.y = 0;
} else {
ShipPos.y--;
}
if (!detectWall(ShipPos,map)) {
moveShip(oldShip,ShipPos,map_x_location);
} else {
win = 1;
score = 0;
break;
}
}
// if the user pressed down, move the ship down
if (key & keys[DOWN]) {
oldShip = ShipPos;
ShipPos.y++;
if (ShipPos.y > 10) ShipPos.y = 10;
if (!detectWall(ShipPos,map)) {
moveShip(oldShip,ShipPos,map_x_location);
} else {
win = 1;
score = 0;
break;
}
}
// if 2nd was pushed, fire the laser
if (key & keys[SECOND]) {
if (!laser) {
justLaser = 1;
laser = 1;
laserPos.x = ShipPos.x + 1;
laserPos.y = ShipPos.y;
}
}
// if diamond was pushed fire the downward missiles
if (key & keys[DIAMOND]) {
if (missile_level == 3 || missile_level == 1) {
if (!missile) {
justMissile = 1;
missile = 1;
missileSlow = 2;
missilePos.x = ShipPos.x;
missilePos.y = ShipPos.y;
}
}
}
// if shift was pushed fire the upward missiles
if (key & keys[SHIFT]) {
if (missile_level == 2 || missile_level == 3) {
if (!missile) {
justMissile = 1;
missile = -1;
missileSlow = 2;
missilePos.x = ShipPos.x;
missilePos.y = ShipPos.y;
}
}
}
/*if (key & keys[ALPHA]) {
score += 10;
}*/
// slow down the program because _rowread is too fast
delay();
}
// back to the overall game loop
if (win) {
if (level_num <= LEVEL_NUM) {
won(difficulty, map, level_num);
} else {
fin = 1;
break;
}
}
}
// the user left, either by winning or quitting, so make sure everything is reset so the calc will be fine
GrayOff();
SetIntVec(AUTO_INT_1,interrupt1);
hiScoresGo(score, difficulty, level_num);
}
int main(int argc, char *argv[])
{
SDL_Init(SDL_INIT_VIDEO);
displayWindow = SDL_CreateWindow("My Game", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 640, 360, SDL_WINDOW_OPENGL);
SDL_GLContext context = SDL_GL_CreateContext(displayWindow);
SDL_GL_MakeCurrent(displayWindow, context);
#ifdef _WINDOWS
glewInit();
#endif
SDL_Event event;
bool done = false;
glViewport(0, 0, 640, 360);
ShaderProgram program(RESOURCE_FOLDER"vertex_textured.glsl", RESOURCE_FOLDER"fragment_textured.glsl");
GLuint p1Texture = LoadTexture("p1_front.png");
GLuint shipTexture = LoadTexture("enemyRed1.png");
GLuint tileTexture = LoadTexture("tileStone_full.png");
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
projectionMatrix.setOrthoProjection(-320.0f, 320.0f, -180.0f, 180.0f, -1.0f, 1.0f);
glUseProgram(program.programID);
while (!done) {
while (SDL_PollEvent(&event)) {
if (event.type == SDL_QUIT || event.type == SDL_WINDOWEVENT_CLOSE) {
done = true;
}
}
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
program.setModelMatrix(shipMatrix);
program.setProjectionMatrix(projectionMatrix);
program.setViewMatrix(shipView);
glBindTexture(GL_TEXTURE_2D, shipTexture);
glVertexAttribPointer(program.positionAttribute, 2, GL_FLOAT, false, 0, ship_vertices);
glEnableVertexAttribArray(program.positionAttribute);
glVertexAttribPointer(program.texCoordAttribute, 2, GL_FLOAT, false, 0, ship_texCoords);
glEnableVertexAttribArray(program.texCoordAttribute);
glDrawArrays(GL_TRIANGLES, 0, 6);
moveShip(6.0);
program.setModelMatrix(modelMatrix);
program.setViewMatrix(viewMatrix);
glBindTexture(GL_TEXTURE_2D, tileTexture);
glVertexAttribPointer(program.positionAttribute, 2, GL_FLOAT, false, 0, tile_vertices);
glEnableVertexAttribArray(program.positionAttribute);
glVertexAttribPointer(program.texCoordAttribute, 2, GL_FLOAT, false, 0, tile_texCoords);
glEnableVertexAttribArray(program.texCoordAttribute);
glDrawArrays(GL_TRIANGLES, 0, 6);
glBindTexture(GL_TEXTURE_2D, p1Texture);
glVertexAttribPointer(program.positionAttribute, 2, GL_FLOAT, false, 0, p1_vertices);
glEnableVertexAttribArray(program.positionAttribute);
glVertexAttribPointer(program.texCoordAttribute, 2, GL_FLOAT, false, 0, p1_texCoords);
glEnableVertexAttribArray(program.texCoordAttribute);
glDrawArrays(GL_TRIANGLES, 0, 6);
glDisableVertexAttribArray(program.positionAttribute);
glDisableVertexAttribArray(program.texCoordAttribute);
SDL_GL_SwapWindow(displayWindow);
}
SDL_Quit();
return 0;
}
/* moves both the ships */
void moveAllShips(void)
{
moveShip(&directionKeys_ship_1, &speed_ship_1, &rotateShip_1, &translateShip_1);
moveShip(&directionKeys_ship_2, &speed_ship_2, &rotateShip_2, &translateShip_2);
}
