<?phpnamespace App\Scene;use App\Sapiens\Bmp;use App\Sapiens\Game;use App\Sapiens\Mac;use JumPHP\Kernel\Platform;use JumPHP\Renderer\Renderer;use JumPHP\Scene\AbstractScene;/** * The whole game: runs the port of the C code (App\Sapiens\Game::main(), a generator), one step per * frame, and shows its window (an 8-bit 640x400 offscreen) as a texture. * * Params: demo: true = a bot clicks and walks (smoke test). */final class GameScene extends AbstractScene{ /** action => Mac key code of the original (GetKeys) */ private const KEYS = [ 'up' => Game::MK_UP, 'down' => Game::MK_DOWN, 'left' => Game::MK_LEFT, 'right' => Game::MK_RIGHT, 'fire' => Game::MK_SPACE, 'enter' => Game::MK_RETURN, 'escape' => Game::MK_ESC, 'map' => Game::MK_C, 'shift' => Game::MK_SHIFT, 'p2_up' => Game::MK_KP8, 'p2_down' => Game::MK_KP2, 'p2_left' => Game::MK_KP4, 'p2_right' => Game::MK_KP6, 'p2_fire' => Game::MK_KP1, 'p2_weapon' => Game::MK_KP3, ]; private const CLICK_HOLD = 0.12; private ?Game $game = null; private ?\Generator $main = null; private bool $demo = false; private int $demoSeed = 0; private int $frame = 0; private ?string $error = null; private string $bmpHeader = ''; private string $tmpFile = ''; private bool $hasScreen = false; private float $clickHold = 0; public function enter(array $params = []): void { $this->error = null; $this->frame = 0; $this->hasScreen = false; $this->clickHold = 0; $this->demo = (bool)($params['demo'] ?? false); $this->demoSeed = (int)($params['seed'] ?? 0); $dataDir = $this->engine->config->path('assets/data'); if (!Game::hasData($dataDir)) { $this->error = "THE FILES OF THE GAME ARE MISSING (assets/data/mobs)"; return; } $this->loadSounds(); $this->game = new Game($dataDir, $this->engine->options, $this->sound()); foreach ([1, 2] as $i) { if (is_file($this->engine->config->path("assets/music/sapiens$i.ogg"))) { $this->game->musics["sapiens$i"] = true; } } $this->game->langue = match ($this->engine->lang->getLang()) { 'fr' => Game::FR, 'es' => Game::ES, default => Game::GB, }; foreach (['fr' => Game::FR, 'en' => Game::GB, 'es' => Game::ES] as $code => $l) { if (isset($params['lang']) && $params['lang'] === $code) { $this->game->langue = $l; } } $this->game->touchMode = Platform::isMobile(); $this->game->onHelp = function (): void { $this->engine->bridge->send('open', ['url' => '/#aide']); }; $this->game->onQuit = function (): void { $this->engine->quit(); }; Mac::init(); $this->bmpHeader = Bmp::header(640, 400, Mac::$clut, 640 * 400); $this->tmpFile = sys_get_temp_dir() . '/sapiens-screen.bmp'; $this->main = $this->game->main(); $this->guard(fn () => $this->main->current()); } private function loadSounds(): void { $sound = $this->sound(); for ($i = 0; $i <= 12; $i++) { $file = "assets/sfx/bruit$i.wav"; if (!$sound->hasSfx("bruit$i") && is_file($this->engine->config->path($file))) { $sound->loadSfx("bruit$i", $file); } } foreach ([1, 2] as $i) { $file = "assets/music/sapiens$i.ogg"; if (is_file($this->engine->config->path($file))) { $sound->loadMusic("sapiens$i", $file); } } } public function update(float $dt): void { if ($this->main === null || $this->game === null || $this->error !== null) { return; } $this->frame++; $this->readInput($dt); $this->game->advanceTime(min($dt, 0.1) * 1000); $this->guard(function (): void { if ($this->main->valid()) { $this->main->next(); } }); } private function guard(callable $f): void { try { $f(); } catch (\Throwable $e) { $this->error = get_class($e) . ': ' . $e->getMessage() . "\n" . basename($e->getFile()) . ':' . $e->getLine(); error_log('[sapiens] ' . $e); } } private function readInput(float $dt): void { $g = $this->game; if ($this->demo) { $this->demoInput(); return; } $actions = $this->actions(); foreach (self::KEYS as $action => $code) { $g->keysHeld[$code] = $actions->isHeld($action) || $actions->isPressed($action); } $kb = $this->engine->input->getKeyboard(); $shift = $actions->isHeld('shift'); foreach ($kb->getTyped() as $code) { if ($code >= 97 && $code <= 122 && $shift) { $code -= 32; } if ($code > 0 && $code < 256) { $g->typedQueue[] = $code; } } $mouse = $this->engine->input->getMouse(); $g->mouseX = (int)$mouse->x; $g->mouseY = (int)$mouse->y; // a tap is down and up in the same frame, and the game reads the button only between its waits: // keep a click down until the game has seen it, and at least CLICK_HOLD seconds if ($mouse->isPressed(1)) { $this->clickHold = self::CLICK_HOLD; $g->mouseRead = false; } elseif ($this->clickHold > 0 && $g->mouseRead) { $this->clickHold -= $dt; } $g->mouseButton = $mouse->isHeld(1) || $this->clickHold > 0; if ($mouse->isHeld(3) || $mouse->isPressed(3)) { // right button = shift + click (change of weapon in the side view) $g->mouseButton = true; $g->keysHeld[Game::MK_SHIFT] = true; } } /** A bot for the smoke test: random clicks in the menus and the picture, random keys. */ private function demoInput(): void { $g = $this->game; $f = $this->frame; if ($f === 1) { mt_srand((int)($this->demoSeed ?: 1987)); } if ($f % 20 === 0) { $g->keysHeld = []; $r = mt_rand(0, 9); if ($r < 6) { // a click in the menus (bottom) or in the picture $g->mouseX = mt_rand(40, 600); $g->mouseY = $r < 5 ? mt_rand(240, 360) : mt_rand(10, 200); } foreach ([Game::MK_UP, Game::MK_DOWN, Game::MK_LEFT, Game::MK_RIGHT, Game::MK_SPACE, Game::MK_RETURN] as $k) { $g->keysHeld[$k] = mt_rand(0, 4) === 0; } $g->keysHeld[Game::MK_ESC] = mt_rand(0, 12) === 0; if (mt_rand(0, 8) === 0) { $g->typedQueue[] = [13, 27, 49, 50, 51, 111, 104][mt_rand(0, 6)]; } } $g->mouseButton = $f % 20 >= 2 && $f % 20 < 5; } public function render(Renderer $r): void { if ($this->error !== null) { $r->clear([0, 0, 0]); $this->font()->draw($r, strtoupper($this->error), 10, 20, 1, [255, 220, 120]); return; } if ($this->game === null) { return; } $win = $this->game->mainWindow; if ($win->dirty || !$this->hasScreen) { $win->dirty = false; file_put_contents($this->tmpFile, $this->bmpHeader . implode('', array_reverse($win->rows))); $this->sdl()->loadTexture('screen', $this->tmpFile); $this->hasScreen = true; } $r->copy($this->sdl()->getTexture('screen')['texture'], null, 0, 0, 640, 400); }}