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aee/source/core/rendering/menu.cpp
2026-04-18 18:16:41 +02:00

677 lines
32 KiB
C++

#include "core/rendering/menu.hpp"
#include <cmath>
#include <cstdio>
#include <functional>
#include <memory>
#include <string>
#include <vector>
#include "core/input/key_config.hpp"
#include "core/locale/locale.hpp"
#include "core/rendering/overlay.hpp"
#include "core/rendering/screen.hpp"
#include "core/rendering/text.hpp"
#include "core/system/director.hpp"
#include "game/defines.hpp"
#include "game/options.hpp"
#include "utils/easing.hpp"
#include "version.h"
namespace Menu {
// --- Constants visuals ---
static constexpr int SCREEN_W = 320;
static constexpr int SCREEN_H = 200;
static constexpr int BOX_W = 220;
static constexpr Uint32 BG_COLOR = 0xFF1A0E0E; // fons marró fosc (ABGR)
static constexpr Uint8 BG_ALPHA = 220; // semi-transparent
static constexpr Uint32 BORDER_COLOR = 0xFFFFFF00; // cyan
static constexpr Uint32 TITLE_COLOR = 0xFFFFFFFF; // blanc
static constexpr Uint32 LABEL_COLOR = 0xFFCCCCCC; // gris clar
static constexpr Uint32 VALUE_COLOR = 0xFFFFFF00; // cyan
static constexpr Uint32 CURSOR_COLOR = 0xFF00FFFF; // groc
static constexpr Uint32 EMPTY_COLOR = 0xFF888888; // gris
static constexpr int TITLE_PAD_Y = 4;
static constexpr int ITEM_PAD_X = 10;
static constexpr int ITEM_SPACING = 11;
static constexpr int BOTTOM_PAD = 6;
static constexpr int HEADER_H = TITLE_PAD_Y + 8 /*charH*/ + 2 + 4; // títol + línia + gap
static constexpr int SUBTITLE_H = 8 + 3; // línia de subtítol + gap
// --- Animació ---
static constexpr float OPEN_SPEED = 8.0F; // 1.0 / 0.125s
static constexpr float CLOSE_SPEED = 10.0F; // 1.0 / 0.1s (una mica més ràpida que l'obertura)
static constexpr float HEIGHT_RATE = 12.0F; // smoothing exponencial de l'alçada (~150 ms al 90%)
// --- Items ---
enum class ItemKind { Toggle,
Cycle,
IntRange,
Submenu,
KeyBind,
Action };
struct Item {
const char* label;
ItemKind kind;
std::function<std::string()> getValue; // opcional
std::function<void(int dir)> change; // per Toggle/Cycle/IntRange
std::function<void()> enter; // per Submenu i Action
SDL_Scancode* scancode{nullptr}; // per KeyBind
std::function<bool()> visible; // nullptr ⇒ sempre visible
};
struct Page {
const char* title;
std::vector<Item> items;
int cursor{0};
std::string subtitle; // opcional — si no buit, es dibuixa sota el títol
};
static bool isVisible(const Item& it) { return !it.visible || it.visible(); }
// Troba el pròxim ítem visible en direcció `dir` (±1) a partir de `from`.
// Si cap és visible retorna `from`.
static int nextVisibleCursor(const Page& p, int from, int dir) {
const int n = static_cast<int>(p.items.size());
if (n <= 0) return from;
for (int i = 1; i <= n; ++i) {
int idx = ((from + dir * i) % n + n) % n;
if (isVisible(p.items[idx])) return idx;
}
return from;
}
// --- Estat ---
static std::vector<Page> stack_;
static std::unique_ptr<Text> font_;
static float open_anim_{0.0F}; // 0 = tancat, 1 = obert
static float animated_h_{0.0F}; // alçada actual animada (smoothing cap al target visible)
static Uint32 last_ticks_{0};
static SDL_Scancode* capturing_{nullptr}; // != null → esperant tecla per assignar
static bool closing_{false}; // true mentre l'animació de tancament és en curs
// --- Transició entre pàgines ---
static constexpr float TRANSITION_SPEED = 5.5F; // ~180 ms
static Page transition_outgoing_{"", {}, 0};
static bool transition_active_{false};
static float transition_progress_{1.0F};
static int transition_dir_{+1}; // +1 endavant, -1 enrere
// Helpers per triggerar transicions
static void pushPage(Page newPage) {
transition_outgoing_ = stack_.back();
stack_.push_back(std::move(newPage));
transition_active_ = true;
transition_progress_ = 0.0F;
transition_dir_ = +1;
}
static void popPage() {
transition_outgoing_ = stack_.back();
stack_.pop_back();
transition_active_ = true;
transition_progress_ = 0.0F;
transition_dir_ = -1;
}
// --- Helpers ---
static std::string yesNo(bool b) { return b ? Locale::get("menu.values.yes") : Locale::get("menu.values.no"); }
static std::string onOff(bool b) { return b ? Locale::get("menu.values.on") : Locale::get("menu.values.off"); }
// --- Builders de pàgines ---
static Page buildVideo();
static Page buildAudio();
static Page buildControls();
static Page buildGame();
static Page buildSystem();
static Page buildRoot() {
Page p{Locale::get("menu.titles.root"), {}, 0};
p.items.push_back({Locale::get("menu.items.video"), ItemKind::Submenu, nullptr, nullptr, [] { pushPage(buildVideo()); }, nullptr});
p.items.push_back({Locale::get("menu.items.audio"), ItemKind::Submenu, nullptr, nullptr, [] { pushPage(buildAudio()); }, nullptr});
p.items.push_back({Locale::get("menu.items.controls"), ItemKind::Submenu, nullptr, nullptr, [] { pushPage(buildControls()); }, nullptr});
p.items.push_back({Locale::get("menu.items.game"), ItemKind::Submenu, nullptr, nullptr, [] { pushPage(buildGame()); }, nullptr});
p.items.push_back({Locale::get("menu.items.system"), ItemKind::Submenu, nullptr, nullptr, [] { pushPage(buildSystem()); }, nullptr});
return p;
}
static Page buildVideo() {
Page p{Locale::get("menu.titles.video"), {}, 0};
// Zoom i fullscreen: sense sentit a WASM (el navegador posseix el canvas)
#ifndef __EMSCRIPTEN__
p.items.push_back({Locale::get("menu.items.zoom"), ItemKind::IntRange, [] {
char buf[16];
std::snprintf(buf, sizeof(buf), "%dX", Screen::get()->getZoom());
return std::string(buf); }, [](int dir) {
if (dir < 0) Screen::get()->decZoom();
else if (dir > 0) Screen::get()->incZoom(); }, nullptr, nullptr});
p.items.push_back({Locale::get("menu.items.screen"), ItemKind::Toggle, [] { return std::string(Screen::get()->isFullscreen() ? Locale::get("menu.values.fullscreen") : Locale::get("menu.values.windowed")); }, [](int) { Screen::get()->toggleFullscreen(); }, nullptr, nullptr, nullptr});
#endif
// Opcions visuals generals (sempre visibles)
p.items.push_back({Locale::get("menu.items.aspect_4_3"), ItemKind::Toggle, [] { return yesNo(Options::video.aspect_ratio_4_3); }, [](int) { Screen::get()->toggleAspectRatio(); }, nullptr, nullptr, nullptr});
p.items.push_back({Locale::get("menu.items.vsync"), ItemKind::Toggle, [] { return onOff(Options::video.vsync); }, [](int) { Screen::get()->toggleVSync(); }, nullptr, nullptr, nullptr});
p.items.push_back({Locale::get("menu.items.scaling_mode"), ItemKind::Cycle, [] {
switch (Options::video.scaling_mode) {
case Options::ScalingMode::DISABLED: return std::string(Locale::get("menu.values.scaling_disabled"));
case Options::ScalingMode::STRETCH: return std::string(Locale::get("menu.values.scaling_stretch"));
case Options::ScalingMode::LETTERBOX: return std::string(Locale::get("menu.values.scaling_letterbox"));
case Options::ScalingMode::OVERSCAN: return std::string(Locale::get("menu.values.scaling_overscan"));
case Options::ScalingMode::INTEGER: return std::string(Locale::get("menu.values.scaling_integer"));
}
return std::string(Locale::get("menu.values.scaling_integer")); }, [](int dir) { Screen::get()->cycleScalingMode(dir); }, nullptr, nullptr, nullptr});
p.items.push_back({Locale::get("menu.items.texture_filter"), ItemKind::Cycle, [] { return std::string(Options::video.texture_filter == Options::TextureFilter::LINEAR
? Locale::get("menu.values.linear")
: Locale::get("menu.values.nearest")); }, [](int dir) { Screen::get()->cycleTextureFilter(dir); }, nullptr, nullptr, nullptr});
p.items.push_back({Locale::get("menu.items.internal_resolution"), ItemKind::IntRange, [] {
char buf[16];
std::snprintf(buf, sizeof(buf), "%dX", Options::video.internal_resolution);
return std::string(buf); }, [](int dir) { Screen::get()->changeInternalResolution(dir); }, nullptr, nullptr, nullptr});
// Bloc shaders: no disponible a WASM (NO_SHADERS, sense SDL3 GPU a WebGL2)
#ifndef __EMSCRIPTEN__
p.items.push_back({Locale::get("menu.items.shader"), ItemKind::Toggle, [] { return onOff(Options::video.shader_enabled); }, [](int) { Screen::get()->toggleShaders(); }, nullptr, nullptr, nullptr});
p.items.push_back({Locale::get("menu.items.shader_type"), ItemKind::Cycle, [] { return std::string(Screen::get()->getActiveShaderName()); }, [](int dir) {
if (dir < 0) Screen::get()->prevShaderType();
else Screen::get()->nextShaderType(); }, nullptr, nullptr, [] { return Options::video.shader_enabled; }});
p.items.push_back({Locale::get("menu.items.preset"), ItemKind::Cycle, [] { return std::string(Screen::get()->getCurrentPresetName()); }, [](int dir) {
if (dir < 0) Screen::get()->prevPreset();
else Screen::get()->nextPreset(); }, nullptr, nullptr, [] { return Options::video.shader_enabled; }});
p.items.push_back({Locale::get("menu.items.supersampling"), ItemKind::Toggle, [] { return onOff(Options::video.supersampling); }, [](int) { Screen::get()->toggleSupersampling(); }, nullptr, nullptr, [] {
if (!Options::video.shader_enabled) return false;
const char* name = Screen::get()->getActiveShaderName();
return name && std::string(name) == "POSTFX"; }});
#endif
// Informació de render
p.items.push_back({Locale::get("menu.items.render_info"), ItemKind::Cycle, [] {
switch (Options::render_info.position) {
case Options::RenderInfoPosition::OFF: return std::string(Locale::get("menu.values.off"));
case Options::RenderInfoPosition::TOP: return std::string(Locale::get("menu.values.top"));
case Options::RenderInfoPosition::BOTTOM: return std::string(Locale::get("menu.values.bottom"));
}
return std::string(Locale::get("menu.values.off")); }, [](int dir) { Overlay::cycleRenderInfo(dir); }, nullptr, nullptr, nullptr});
p.items.push_back({Locale::get("menu.items.uptime"), ItemKind::Toggle, [] { return onOff(Options::render_info.show_time); }, [](int) { Options::render_info.show_time = !Options::render_info.show_time; }, nullptr, nullptr, [] { return Options::render_info.position != Options::RenderInfoPosition::OFF; }});
return p;
}
// Converteix volum 0..1 a percentatge i ho formata com "50%"
static std::string volPct(float v) {
int pct = static_cast<int>(v * 100.0F + 0.5F);
if (pct < 0) pct = 0;
if (pct > 100) pct = 100;
char buf[8];
std::snprintf(buf, sizeof(buf), "%d%%", pct);
return std::string(buf);
}
// Canvi +/- d'un volum en steps de 0.05 (5%) amb clamping
static void stepVolume(float& v, int dir) {
v += (dir >= 0 ? 0.05F : -0.05F);
if (v < 0.0F) v = 0.0F;
if (v > 1.0F) v = 1.0F;
Options::applyAudio();
}
static Page buildControls() {
Page p{Locale::get("menu.titles.controls"), {}, 0};
p.items.push_back({Locale::get("menu.items.move_up"), ItemKind::KeyBind, nullptr, nullptr, nullptr, &Options::keys_game.up});
p.items.push_back({Locale::get("menu.items.move_down"), ItemKind::KeyBind, nullptr, nullptr, nullptr, &Options::keys_game.down});
p.items.push_back({Locale::get("menu.items.move_left"), ItemKind::KeyBind, nullptr, nullptr, nullptr, &Options::keys_game.left});
p.items.push_back({Locale::get("menu.items.move_right"), ItemKind::KeyBind, nullptr, nullptr, nullptr, &Options::keys_game.right});
p.items.push_back({Locale::get("menu.items.menu_key"), ItemKind::KeyBind, nullptr, nullptr, nullptr, KeyConfig::scancodePtr("menu_toggle")});
return p;
}
static Page buildAudio() {
Page p{Locale::get("menu.titles.audio"), {}, 0};
p.items.push_back({Locale::get("menu.items.master_enable"), ItemKind::Toggle, [] { return onOff(Options::audio.enabled); }, [](int) {
Options::audio.enabled = !Options::audio.enabled;
Options::applyAudio(); }, nullptr});
p.items.push_back({Locale::get("menu.items.master_volume"), ItemKind::IntRange, [] { return volPct(Options::audio.volume); }, [](int dir) { stepVolume(Options::audio.volume, dir); }, nullptr});
p.items.push_back({Locale::get("menu.items.music"), ItemKind::Toggle, [] { return onOff(Options::audio.music.enabled); }, [](int) {
Options::audio.music.enabled = !Options::audio.music.enabled;
Options::applyAudio(); }, nullptr});
p.items.push_back({Locale::get("menu.items.music_volume"), ItemKind::IntRange, [] { return volPct(Options::audio.music.volume); }, [](int dir) { stepVolume(Options::audio.music.volume, dir); }, nullptr});
p.items.push_back({Locale::get("menu.items.sounds"), ItemKind::Toggle, [] { return onOff(Options::audio.sound.enabled); }, [](int) {
Options::audio.sound.enabled = !Options::audio.sound.enabled;
Options::applyAudio(); }, nullptr});
p.items.push_back({Locale::get("menu.items.sounds_volume"), ItemKind::IntRange, [] { return volPct(Options::audio.sound.volume); }, [](int dir) { stepVolume(Options::audio.sound.volume, dir); }, nullptr});
return p;
}
static Page buildGame() {
Page p{Locale::get("menu.titles.game"), {}, 0};
p.items.push_back({Locale::get("menu.items.use_new_logo"), ItemKind::Toggle, [] { return yesNo(Options::game.use_new_logo); }, [](int) { Options::game.use_new_logo = !Options::game.use_new_logo; }, nullptr});
p.items.push_back({Locale::get("menu.items.show_title_credits"), ItemKind::Toggle, [] { return yesNo(Options::game.show_title_credits); }, [](int) { Options::game.show_title_credits = !Options::game.show_title_credits; }, nullptr});
p.items.push_back({Locale::get("menu.items.show_preload"), ItemKind::Toggle, [] { return yesNo(Options::game.show_preload); }, [](int) { Options::game.show_preload = !Options::game.show_preload; }, nullptr});
return p;
}
static Page buildSystem() {
Page p{Locale::get("menu.titles.system"), {}, 0};
p.subtitle = std::string("v") + Texts::VERSION + " (" + Version::GIT_HASH + ")";
p.items.push_back({Locale::get("menu.items.restart"), ItemKind::Action, nullptr, nullptr, [] {
if (Director::get()) Director::get()->requestRestart();
},
nullptr,
nullptr});
#ifndef __EMSCRIPTEN__
p.items.push_back({Locale::get("menu.items.exit_game"), ItemKind::Action, nullptr, nullptr, [] {
if (Director::get()) Director::get()->requestQuit();
},
nullptr,
nullptr});
#endif
return p;
}
// --- Dibuix ---
// Alpha blending per pixel sobre el buffer ARGB (ABGR en memòria)
static void blendRect(Uint32* buf, int x, int y, int w, int h, Uint32 src_argb, Uint8 src_alpha) {
const Uint8 sa = src_alpha;
const Uint8 sr = src_argb & 0xFF;
const Uint8 sg = (src_argb >> 8) & 0xFF;
const Uint8 sb = (src_argb >> 16) & 0xFF;
const Uint8 inv = 255 - sa;
for (int row = y; row < y + h; row++) {
if (row < 0 || row >= SCREEN_H) continue;
for (int col = x; col < x + w; col++) {
if (col < 0 || col >= SCREEN_W) continue;
Uint32* p = &buf[col + row * SCREEN_W];
Uint32 dst = *p;
Uint8 dr = dst & 0xFF;
Uint8 dg = (dst >> 8) & 0xFF;
Uint8 db = (dst >> 16) & 0xFF;
Uint8 r = (sr * sa + dr * inv) / 255;
Uint8 g = (sg * sa + dg * inv) / 255;
Uint8 b = (sb * sa + db * inv) / 255;
*p = 0xFF000000u | (static_cast<Uint32>(b) << 16) | (static_cast<Uint32>(g) << 8) | r;
}
}
}
static void fillRect(Uint32* buf, int x, int y, int w, int h, Uint32 color) {
for (int row = y; row < y + h; row++) {
if (row < 0 || row >= SCREEN_H) continue;
for (int col = x; col < x + w; col++) {
if (col < 0 || col >= SCREEN_W) continue;
buf[col + row * SCREEN_W] = color;
}
}
}
static void drawBorder(Uint32* buf, int x, int y, int w, int h, Uint32 color) {
fillRect(buf, x, y, w, 1, color);
fillRect(buf, x, y + h - 1, w, 1, color);
fillRect(buf, x, y, 1, h, color);
fillRect(buf, x + w - 1, y, 1, h, color);
}
// Mida final de la caixa segons el nombre d'items *visibles*.
// body = (N-1) * ITEM_SPACING + charH — així BOTTOM_PAD és el buit real
// sota el text del darrer ítem, no un buit extra per sobre d'un "slot" buit.
static int boxHeight(const Page& page) {
int n = 0;
for (const auto& it : page.items) {
if (isVisible(it)) ++n;
}
int body = (n == 0) ? 8 : (n - 1) * ITEM_SPACING + 8;
int header = HEADER_H + (page.subtitle.empty() ? 0 : SUBTITLE_H);
return header + body + BOTTOM_PAD;
}
// --- API pública ---
void init() {
font_ = std::make_unique<Text>("fonts/8bithud.fnt", "fonts/8bithud.gif");
stack_.clear();
open_anim_ = 0.0F;
closing_ = false;
last_ticks_ = SDL_GetTicks();
}
void destroy() {
font_.reset();
stack_.clear();
closing_ = false;
}
// "Actiu": accepta input. Durant l'animació de tancament la pila encara
// té pàgines però ja no ha de processar tecles.
auto isOpen() -> bool {
return !stack_.empty() && !closing_;
}
// "Visible": encara hi ha caixa per pintar (incloent close animation).
auto isVisible() -> bool {
return !stack_.empty();
}
void toggle() {
if (closing_ && !stack_.empty()) {
// Cancel·la el tancament en curs — continua l'animació cap a "obert"
// des del valor actual d'open_anim_.
closing_ = false;
last_ticks_ = SDL_GetTicks();
return;
}
if (isOpen()) {
close();
} else {
stack_.push_back(buildRoot());
open_anim_ = 0.0F;
closing_ = false;
animated_h_ = static_cast<float>(boxHeight(stack_.back()));
last_ticks_ = SDL_GetTicks();
}
}
// close() no buida la pila immediatament: marca closing_ i deixa que
// render() faça decréixer open_anim_ fins a 0. En aquell moment es neteja
// l'estat. Si es crida estant ja tancat o tancant-se, no-op.
void close() {
if (stack_.empty() || closing_) return;
closing_ = true;
capturing_ = nullptr;
transition_active_ = false;
transition_progress_ = 1.0F;
last_ticks_ = SDL_GetTicks();
}
auto isCapturing() -> bool {
return capturing_ != nullptr;
}
void captureKey(SDL_Scancode sc) {
if (!capturing_) return;
if (sc == SDL_SCANCODE_ESCAPE) {
// Cancel·la
capturing_ = nullptr;
return;
}
*capturing_ = sc;
capturing_ = nullptr;
}
void handleKey(SDL_Scancode sc) {
if (!isOpen()) return;
Page& page = stack_.back();
if (page.items.empty()) {
// Pàgina buida — només backspace surt
if (sc == SDL_SCANCODE_BACKSPACE) {
if (stack_.size() > 1)
popPage();
else
close();
}
return;
}
// Si el cursor està sobre un ítem ocultat (p. ex. una acció anterior el va ocultar),
// reubica'l al pròxim visible abans de processar l'entrada.
if (!isVisible(page.items[page.cursor])) {
page.cursor = nextVisibleCursor(page, page.cursor, +1);
}
switch (sc) {
case SDL_SCANCODE_UP:
page.cursor = nextVisibleCursor(page, page.cursor, -1);
break;
case SDL_SCANCODE_DOWN:
page.cursor = nextVisibleCursor(page, page.cursor, +1);
break;
case SDL_SCANCODE_LEFT:
if (page.items[page.cursor].kind != ItemKind::Submenu &&
page.items[page.cursor].change) {
page.items[page.cursor].change(-1);
}
break;
case SDL_SCANCODE_RIGHT:
if (page.items[page.cursor].kind != ItemKind::Submenu &&
page.items[page.cursor].change) {
page.items[page.cursor].change(+1);
}
break;
case SDL_SCANCODE_RETURN:
case SDL_SCANCODE_KP_ENTER:
if (page.items[page.cursor].kind == ItemKind::Submenu ||
page.items[page.cursor].kind == ItemKind::Action) {
if (page.items[page.cursor].enter) page.items[page.cursor].enter();
} else if (page.items[page.cursor].kind == ItemKind::KeyBind) {
capturing_ = page.items[page.cursor].scancode;
} else if (page.items[page.cursor].change) {
page.items[page.cursor].change(+1);
}
break;
case SDL_SCANCODE_BACKSPACE:
if (stack_.size() > 1)
popPage();
else
close();
break;
default:
break;
}
// Després de qualsevol acció, si el cursor quedara sobre un ítem ocult
// (possible si una acció ha canviat la visibilitat pròpia de l'ítem actual,
// edge case defensiu), salta al següent visible.
if (!stack_.empty()) {
Page& top = stack_.back();
if (!top.items.empty() && !isVisible(top.items[top.cursor])) {
top.cursor = nextVisibleCursor(top, top.cursor, +1);
}
}
}
// Dibuixa el contingut d'una pàgina amb un offset horitzontal i un rang de clip.
// box_x/box_y són les coordenades de la caixa (per calcular posicions relatives);
// clip_x_min/clip_x_max limiten on es dibuixa text i la línia separadora.
static void renderPageContent(Uint32* pixel_data, const Page& page, int box_x, int box_y, int x_offset, int clip_x_min, int clip_x_max, int clip_y_min, int clip_y_max) {
// Títol
int title_w = font_->width(page.title);
int title_x = box_x + (BOX_W - title_w) / 2 + x_offset;
font_->drawClipped(pixel_data, title_x, box_y + TITLE_PAD_Y, page.title, TITLE_COLOR, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
// Línia sota el títol (també lliscada) — clippada manualment
int title_line_y = box_y + TITLE_PAD_Y + font_->charHeight() + 2;
if (title_line_y >= clip_y_min && title_line_y < clip_y_max) {
int line_x = box_x + 4 + x_offset;
int line_w = BOX_W - 8;
int line_start = line_x < clip_x_min ? clip_x_min : line_x;
int line_end = (line_x + line_w) > clip_x_max ? clip_x_max : (line_x + line_w);
if (line_end > line_start) {
fillRect(pixel_data, line_start, title_line_y, line_end - line_start, 1, BORDER_COLOR);
}
}
// Subtítol opcional (sota la línia del títol, abans dels items)
int items_y = title_line_y + 4;
if (!page.subtitle.empty()) {
int sub_w = font_->width(page.subtitle.c_str());
int sub_x = box_x + (BOX_W - sub_w) / 2 + x_offset;
font_->drawClipped(pixel_data, sub_x, items_y, page.subtitle.c_str(), LABEL_COLOR, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
items_y += SUBTITLE_H;
}
// Compta visibles — si cap, dibuixa placeholder (caixa totalment col·lapsada però oberta)
int visible_count = 0;
for (const auto& it : page.items)
if (isVisible(it)) ++visible_count;
if (visible_count == 0) {
const char* empty_text = Locale::get("menu.values.empty");
int ew = font_->width(empty_text);
font_->drawClipped(pixel_data, box_x + (BOX_W - ew) / 2 + x_offset, items_y + 2, empty_text, EMPTY_COLOR, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
return;
}
int y_slot = 0; // índex de fila visible (independent de l'índex real de l'ítem)
for (size_t i = 0; i < page.items.size(); i++) {
const Item& item = page.items[i];
if (!isVisible(item)) continue;
int y = items_y + y_slot * ITEM_SPACING;
++y_slot;
bool selected = (static_cast<int>(i) == page.cursor);
Uint32 label_color = selected ? CURSOR_COLOR : LABEL_COLOR;
// Action: sense valor a la dreta — centrem el label amb el cursor just a l'esquerra.
if (item.kind == ItemKind::Action) {
int lw = font_->width(item.label);
int lx = box_x + (BOX_W - lw) / 2 + x_offset;
if (selected) {
font_->drawClipped(pixel_data, lx - font_->width("> "), y, ">", CURSOR_COLOR, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
}
font_->drawClipped(pixel_data, lx, y, item.label, label_color, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
continue;
}
if (selected) {
font_->drawClipped(pixel_data, box_x + 4 + x_offset, y, ">", CURSOR_COLOR, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
}
font_->drawClipped(pixel_data, box_x + ITEM_PAD_X + x_offset, y, item.label, label_color, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
if (item.kind == ItemKind::Submenu) {
const char* arrow = ">>";
int aw = font_->width(arrow);
Uint32 ac = selected ? CURSOR_COLOR : VALUE_COLOR;
font_->drawClipped(pixel_data, box_x + BOX_W - ITEM_PAD_X - aw + x_offset, y, arrow, ac, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
} else if (item.kind == ItemKind::KeyBind) {
bool this_capturing = (capturing_ == item.scancode);
const char* text = this_capturing ? Locale::get("menu.values.press_key") : (item.scancode ? SDL_GetScancodeName(*item.scancode) : "");
if (!text || !*text) text = Locale::get("menu.values.unknown");
int tw = font_->width(text);
Uint32 tc = this_capturing ? 0xFF00FFFF : (selected ? CURSOR_COLOR : VALUE_COLOR);
font_->drawClipped(pixel_data, box_x + BOX_W - ITEM_PAD_X - tw + x_offset, y, text, tc, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
} else if (item.getValue) {
std::string value = item.getValue();
int value_w = font_->width(value.c_str());
Uint32 value_color = selected ? CURSOR_COLOR : VALUE_COLOR;
font_->drawClipped(pixel_data, box_x + BOX_W - ITEM_PAD_X - value_w + x_offset, y, value.c_str(), value_color, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
}
}
}
void render(Uint32* pixel_data) {
if (!isVisible() || !font_ || !pixel_data) return;
// Delta time
Uint32 now = SDL_GetTicks();
float dt = static_cast<float>(now - last_ticks_) / 1000.0F;
last_ticks_ = now;
if (closing_) {
open_anim_ -= CLOSE_SPEED * dt;
if (open_anim_ <= 0.0F) {
// Animació de tancament completada — buida l'estat de veritat.
open_anim_ = 0.0F;
stack_.clear();
animated_h_ = 0.0F;
closing_ = false;
return;
}
} else if (open_anim_ < 1.0F) {
open_anim_ += OPEN_SPEED * dt;
if (open_anim_ > 1.0F) open_anim_ = 1.0F;
}
// Avança transició
if (transition_active_) {
transition_progress_ += TRANSITION_SPEED * dt;
if (transition_progress_ >= 1.0F) {
transition_progress_ = 1.0F;
transition_active_ = false;
}
}
const Page& page = stack_.back();
const int current_h = boxHeight(page);
// Smoothing exponencial de l'alçada cap al target (pàgina actual + ítems visibles).
// Permet que el menú reaccione amb animació quan una opció canvia la visibilitat
// d'altres ítems en calent (p. ex. shader=off → shader_type/preset/supersampling).
if (animated_h_ <= 0.0F) {
animated_h_ = static_cast<float>(current_h);
} else {
float diff = static_cast<float>(current_h) - animated_h_;
if (std::fabs(diff) < 0.5F) {
animated_h_ = static_cast<float>(current_h);
} else {
float t = HEIGHT_RATE * dt;
if (t > 1.0F) t = 1.0F;
animated_h_ += diff * t;
}
}
float eased = Easing::outQuad(open_anim_);
// Calcula alçada (amb transició si escau)
int target_h = static_cast<int>(animated_h_);
if (transition_active_) {
int outgoing_h = boxHeight(transition_outgoing_);
float tp = Easing::outQuad(transition_progress_);
target_h = Easing::lerpInt(outgoing_h, static_cast<int>(animated_h_), tp);
}
// Caixa creix verticalment durant l'obertura
int box_h = static_cast<int>(target_h * eased);
if (box_h < 2) box_h = 2;
int box_x = (SCREEN_W - BOX_W) / 2;
int box_y = (SCREEN_H - box_h) / 2;
// Fons semi-transparent (alpha escalat per l'animació d'obertura)
Uint8 alpha = static_cast<Uint8>(BG_ALPHA * eased);
blendRect(pixel_data, box_x, box_y, BOX_W, box_h, BG_COLOR, alpha);
// El contingut només apareix quan la caixa és prou gran
if (open_anim_ >= 0.9F) {
int clip_x_min = box_x + 1;
int clip_x_max = box_x + BOX_W - 1;
int clip_y_min = box_y + 1;
int clip_y_max = box_y + box_h - 1;
if (transition_active_) {
float tp = Easing::outQuad(transition_progress_);
int out_offset = static_cast<int>(-transition_dir_ * BOX_W * tp);
int new_offset = static_cast<int>(transition_dir_ * BOX_W * (1.0F - tp));
renderPageContent(pixel_data, transition_outgoing_, box_x, box_y, out_offset, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
renderPageContent(pixel_data, page, box_x, box_y, new_offset, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
} else {
renderPageContent(pixel_data, page, box_x, box_y, 0, clip_x_min, clip_x_max, clip_y_min, clip_y_max);
}
}
// Vora per damunt de tot
drawBorder(pixel_data, box_x, box_y, BOX_W, box_h, BORDER_COLOR);
}
} // namespace Menu