<?phpnamespace App\Ui;use JumPHP\Renderer\Renderer;use JumPHP\Ui\MenuScene;use JumPHP\Util\Lang;/** * The game's menus (pause, victory, defeat): a painted panel like the rest of the interface, its title in gold, its * lines of text, room for a picture (extraHeight() / renderExtra(): the stars of a victory), then one wooden button per * item. The engine's MenuScene keeps the keys (up / down, confirm, back); the mouse / touch: pointing at a button * picks it, a click presses it. Items are [label, null, onPress]. */abstract class GameMenuScene extends MenuScene{ /** height of the title in pixels (the scale follows the font) */ protected int $titlePixels = 20; protected float $panelWidth = 220.0; private const BUTTON_H = 24.0; private const BUTTON_GAP = 6.0; public function __construct(protected FontProvider $fonts, protected Sprites $sprites) { } public function enter(array $params = []): void { $this->fonts->apply($this->engine); $this->sprites->attach($this->sdl(), $this->engine->config->path()); Sfx::load($this->sound(), $this->engine->config->path()); parent::enter($params); $this->layoutMenu(); } /** Kept for the scenes that call it after a change of language (the layout is computed when drawn). */ protected function layoutMenu(): void { } public function update(float $dt): void { $mouse = $this->engine->input->getMouse(); foreach ($this->menu->getItems() as $i => $item) { [$x, $y, $w, $h] = $this->rowRect($i); if ($mouse->x < $x || $mouse->x > $x + $w || $mouse->y < $y || $mouse->y > $y + $h || !isset($item[2])) { continue; } if ($mouse->isPressed()) { $this->menu->selected = $i; $this->sound()->playSfx('menu_confirm'); ($item[2])(); return; } } if ($mouse->isPressed()) { // a tap outside the buttons is not a "confirm" (touch:tap is bound to it) return; } parent::update($dt); } /** @return list<array{0: string, 1: array}> lines under the title: [translated text, colour] */ protected function subtitles(): array { return []; } /** The height of what the scene draws between the texts and the buttons (renderExtra()). */ protected function extraHeight(): float { return 0.0; } /** Draws the scene's own part of the panel, $y its top, centred on $cx. */ protected function renderExtra(Renderer $r, float $cx, float $y): void { } private function titleScale(): float { $font = $this->font(); return Text::fitScale($font, Lang::t($this->title), $this->panelWidth - 24, max(1, round($this->titlePixels / max(1, $font->height())))); } /** * The panel's parts, from the top: [x, y, width, height of the panel, y of the subtitles, y of the extra, y of the * first button]. * @return array{0: float, 1: float, 2: float, 3: float, 4: float, 5: float, 6: float} */ private function layout(): array { $font = $this->font(); $w = $this->panelWidth; $h = 14.0; if ($this->title !== '') { $h += $font->lineHeight($this->titleScale()) + 8; } $subs = $h; foreach ($this->subtitles() as [$text]) { $h += Text::height($font, $text, $w - 24) + 2; } $extra = $h + 4; $h = $extra + $this->extraHeight() + 6; $buttons = $h; $n = count($this->menu->getItems()); $h += $n * self::BUTTON_H + max(0, $n - 1) * self::BUTTON_GAP + 14; $x = ($this->width() - $w) / 2; $y = max(4.0, ($this->height() - $h) / 2); return [$x, $y, $w, $h, $y + $subs, $y + $extra, $y + $buttons]; } /** @return array{0: float, 1: float, 2: float, 3: float} the wooden button of item $i (x, y, w, h) */ protected function rowRect(int $i): array { [$x, , $w, , , , $top] = $this->layout(); return [$x + 24, $top + $i * (self::BUTTON_H + self::BUTTON_GAP), $w - 48, self::BUTTON_H]; } protected function renderBackground(Renderer $r): void { if ($this->isOverlay()) { // black: over a 3D scene shown through a key colour, only black darkens it $r->fillRect(0, 0, $this->width(), $this->height(), [0, 0, 0, 150]); } else { Paint::backdrop($r, $this->width(), $this->height()); } } public function render(Renderer $r): void { $this->renderBackground($r); $font = $this->font(); [$px, $py, $pw, $ph, $subsY, $extraY] = $this->layout(); Paint::panel($r, $px, $py, $pw, $ph, null, null, 8); $cx = $px + $pw / 2; if ($this->title !== '') { $title = Lang::t($this->title); $scale = $this->titleScale(); $font->draw($r, $title, $cx, $py + 14, $scale, $this->titleColor, 'center', [40, 22, 10]); // two gold threads beside it $tw = $font->width($title, $scale); $ty = $py + 14 + $font->height($scale) / 2; foreach ([-1, 1] as $side) { $from = $cx + $side * ($tw / 2 + 8); $len = min(36.0, $pw / 2 - $tw / 2 - 18); if ($len > 4) { $r->fillRect($side < 0 ? $from - $len : $from, $ty, $len, 1, [214, 176, 92, 160]); } } } $y = $subsY; foreach ($this->subtitles() as [$text, $color]) { $y += Text::draw($r, $font, $text, $cx, $y, $pw - 24, $color, 'center', [16, 20, 36]) + 2; } $this->renderExtra($r, $cx, $extraY); $mouse = $this->engine->input->getMouse(); foreach ($this->menu->getItems() as $i => $item) { [$bx, $by, $bw, $bh] = $this->rowRect($i); $hover = $mouse->x >= $bx && $mouse->x < $bx + $bw && $mouse->y >= $by && $mouse->y < $by + $bh; Paint::button($r, $bx, $by, $bw, $bh, true, $hover, $i === $this->menu->selected); $label = $this->menu->text($item); $scale = Text::fitScale($font, $label, $bw - 12, 1); $font->draw($r, $label, $bx + $bw / 2, $by + $bh / 2 - $font->height($scale) / 2, $scale, [255, 242, 214], 'center', [40, 22, 12]); } }}