static void
update(struct game_state *gs)
{
if (inner_state.state != IS_LEVEL_CLEARED &&
inner_state.state != IS_LEVEL_TRANSITION)
update_eye();
update_crosshair();
update_background();
update_water();
update_particles();
update_explosions();
if (ship_is_visible()) {
update_ship();
update_missiles();
update_bombs();
update_lasers();
update_foes();
}
update_powerups();
update_in_game_texts();
if (inner_state.state == IS_IN_GAME) {
update_multiplier();
update_combo();
}
if (inner_state.state == IS_GAME_OVER) {
if (inner_state.tics >= GAME_OVER_FADE_IN_TICS) {
if (!update_stats_table()) {
gc.score += game_over_stats.bonus;
set_inner_state(IS_RANK);
}
}
}
if (inner_state.state == IS_LEVEL_CLEARED) {
if (inner_state.tics >= LEVEL_CLEARED_FADE_IN_TICS) {
if (!update_stats_table()) {
gc.score += game_over_stats.bonus;
set_inner_state(IS_LEVEL_TRANSITION);
}
}
}
update_level_tics();
update_inner_state();
if (serializing)
serialize();
}
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());
}
}