void loop(s4 &game_state)
{
ICameraSceneNode* camera = irrlicht->smgr->addCameraSceneNode();
matrix4 ortho;
ortho.buildProjectionMatrixOrthoLH(
irrlicht->driver->getScreenSize().Width/ortho_scale,
irrlicht->driver->getScreenSize().Height/ortho_scale,-1.0,1000.0);
camera->setProjectionMatrix(ortho);
camera->setPosition({0,0,-100});
camera->setTarget({0,0,0});
irrlicht->hud->setActiveCamera(camera);
IBillboardSceneNode* qnode = irrlicht->smgr->addBillboardSceneNode();
qnode->setMaterialFlag(EMF_WIREFRAME,true);
// --------------------------------------
p("---- Game loop start ----");
d32 dt = 0.0f;
const d32 maxDelta = 1.0f/60.0f * 5.0f;
const d32 tick_ms = 0.01666f; // TODO: change this back to 30ms?
d32 render_dt = 0.0f;
const d32 render_ms = RENDER_TIME_STEP;
uint32 time_physics_prev = btclock->getTimeMicroseconds();
while(irrlicht->device->run() && game_state == GAME_STATE_PLAY)
{
const uint32 time_physics_curr = btclock->getTimeMicroseconds();
const d32 frameTime = ((d32)(time_physics_curr - time_physics_prev)) / 1000000.0; // todo: is this truncated correctly?
time_physics_prev = time_physics_curr;
d32 capped_dt = frameTime;
if (capped_dt > maxDelta) { capped_dt = maxDelta; }
render_dt += capped_dt;
if ( render_dt >= render_ms )
{
render_dt = 0.0f;
update_player();
update_enemies();
update_missiles(ply->missiles,ply->num_missile);
irrlicht->hud->getRootSceneNode()->setPosition(camera->getPosition() + vector3df(0,0,100));
irrlicht->driver->beginScene(true, true, SColor(255,59,120,140));
irrlicht->smgr->drawAll();
irrlicht->driver->clearZBuffer();
irrlicht->hud->drawAll();
irrlicht->driver->endScene();
}
dt += capped_dt;
while( dt >= tick_ms )
{
dt -= tick_ms;
receiver->input();
clear_quads(quadtree);
step_player();
step_enemies();
step_missiles(ply->missiles, ply->num_missile);
QuadTree::Quad* fq = get_quad_from_pos(quadtree,ply->curr_pos);
qnode->setSize(dimension2d<f32>(1,1));
qnode->setPosition(fq->pos.irr());
qnode->setSize(dimension2d<f32>(fq->width,fq->width));
if (receiver->debug_key.state)
{
for (s4 i = 0; i < fleet->num_squad; i++)
{
if (fleet->squads[i].mode != scatter)
fleet->squads[i].mode = scatter;
else
fleet->squads[i].mode = to_positions;
}
}
if (receiver->restart.state) { game_state = GAME_STATE_RESET; return; }
if (receiver->QUIT) { game_state = GAME_STATE_QUIT; return; }
empty_transient_soft(memory);
}
alpha = dt / tick_ms;
core::stringw str = L"Coquelicot // score: ";
str += score;
str += L" // FPS: ";
str += (s32)irrlicht->driver->getFPS();
irrlicht->device->setWindowCaption(str.c_str());
}
}
int main(void)
{
#if !SDL
//wdt_enable(WDTO_1S);
// I/O ports
DDRB = 0x17;
PORTB = 0x00 | (1<<5);
//input logic disable on adc3
DIDR0 = (1<<ADC3D);
//timer0
//set clock divider to 1024
TCCR0B |= (1<<CS02) | (1<<CS00);
//compare value 49 -> 20Hz
//OCR0B = 49;
OCR0B = 3;
//enable compare match B interrupt
TIMSK |= (1<<OCIE0B);
//timer1
// CK/64
//TCCR1 = (1<<CS12) | (1<<CS11) | (1<<CS10);
//overflow interrupt
//TIMSK |= (1<<TOIE1);
//external interrupts
//enable pin change interrupt
//GIMSK = (1<<PCIE);
//enable only on PB3
//PCMSK = (1<<3);
//adc
// enable clk/16
//ADCSRA = (1<<ADEN) | (1<<ADPS2);
// enable clk/2
ADCSRA = (1<<ADEN) | (1<<ADPS0);
/*//if it's a watchdog reset
if(mcusr_mirror & (1<<WDRF)){
if(getkey() == DIR_NONE){
set_sleep_mode(SLEEP_MODE_PWR_DOWN);
sleep_mode();
}
}*/
//wdt_enable(WDTO_4S);
#else
SDL_Init(SDL_INIT_VIDEO);
if (!(screen = SDL_SetVideoMode(80, 48, 32, SDL_SWSURFACE)))
return EXIT_FAILURE;
SDL_WM_SetCaption("elladunkku", NULL);
#endif
/*g_highscore = eeprom_read_byte(0);
if(g_highscore == 0xff) g_highscore = 0;*/
/*g_highscore = eeprom_read_word(0);
if(g_highscore == 0xffff) g_highscore = 0;*/
start:
lcd_init();
//lcd_locate(10,2);
//lcd_locate8((2<<4)+1);
//lcd_printstrP(PSTR("C55 PRESENTS"));
//_delay_ms(1000);
sei();
for(;;){
next_level(true);
draw_game();
//main loop
g_counter0 = 0;
//TCNT0 = 0;
for(;;){
#if SDL
++g_counter0;
SDL_WaitEvent(&g_event);
if (g_event.type == SDL_QUIT)
goto quit;
#endif
// TODO: If nothing happens for a long time, go to sleep
int8_t key = getkey();
if(key == DIR_NONE)
continue;
uint8_t num_enemy_moves = move_player(key);
switch(num_enemy_moves){
case 2:
step_enemies();
draw_game();
case 1:
step_enemies();
}
draw_game();
if(g_hp <= 0){
_delay_ms(5000);
while(getkey() == DIR_NONE);
next_level(true); // Reset game
draw_game();
}
/*int8_t lastdir_inv = -g_next_dir;
while(g_counter0 < 6){
//while(TCNT0 < 6*3){
int8_t key = getkey();
if(key == DIR_NONE) continue;
if(key == lastdir_inv) continue;
g_next_dir = key;
g_random += g_counter0;
}
TCNT0 = 0;
g_counter0 = 0;
uint8_t ret = snake_move_and_draw();
if(ret == 1){
snake_draw(0xaa);
draw_block(g_snake[g_snake_end], 0xff);
//lcd_locate(83,5);
lcd_locate8((0<<4)+4);
if(g_points > g_highscore){
g_highscore = g_points;
//eeprom_write_byte(0, g_highscore);
eeprom_write_word(0, g_highscore);
}
_delay_ms(200);
break;
}*/
}
#if !SDL
while(getkey() != DIR_NONE);
//TCNT0 = 0;
g_counter0 = 0;
while(getkey() == DIR_NONE){
if(g_counter0 >= 200){
cli();
/*lcd_cls();
lcd_locate8((1<<4)+0);
lcd_printstrP(PSTR("GREETINGS ELLA TEJEEZ 3210"));
_delay_ms(2000);*/
/*lcd_locate8((1<<4)+1);
lcd_printstrP(PSTR("GREETINGS ELLA TEJEEZ"));
lcd_locate8((2<<4)+1);
lcd_printstrP(PSTR("ELLA"));
lcd_locate8((3<<4)+1);
lcd_printstrP(PSTR("TEJEEZ"));*/
/*lcd_cls();
lcd_locate8((1<<4)+3);
lcd_put5digit(2048);
lcd_locate8((2<<4)+3);
lcd_put5digit(128);
lcd_locate8((3<<4)+3);
lcd_put5digit(55);
_delay_ms(2000);*/
lcd_cls();
lcd_powerdown();
ADCSRA = 0 | (1<<ADPS0);
DIDR0 = 0;
CLKPR = 0x80;
CLKPR = (1<<CLKPS3); //256
while(PINB & (1<<3));
//while(getkey() == DIR_NONE);
CLKPR = 0x80;
CLKPR = 0;
DIDR0 = (1<<ADC3D);
ADCSRA = (1<<ADEN) | (1<<ADPS0);
goto start;
}
}
#endif
}
#if SDL
quit:
SDL_Quit();
#endif
return 0;
}
