feat(editor): franja HUD amb mode, brush/sel, cursor i recompte de constraints

source/game/editor/editor.cpp

@@ -9,12 +9,15 @@
 
 #include "core/input/key_config.hpp"
 #include "core/locale/locale.hpp"
+#include "core/rendering/hud_constants.hpp"
 #include "core/rendering/notification_presets.hpp"
 #include "core/rendering/screen.hpp"
 #include "core/rendering/surface.hpp"
+#include "core/rendering/text.hpp"
 #include "core/resources/resource_cache.hpp"
 #include "core/resources/resource_helper.hpp"
 #include "core/system/event_buffer.hpp"
+#include "core/ui/ui_config.hpp"
 #include "external/fkyaml_node.hpp"
 #include "game/editor/editor_config.hpp"
 #include "game/entities/entity.hpp"
@@ -185,9 +188,19 @@ void Editor::enter() {
     brush_entity_.clear();
     hand_selected_idx_ = -1;
     ensureEditableEntities();
+    ensureHudFont();
     Notification::notify(Locale::get().text("input.editor_on"));
 }
 
+void Editor::ensureHudFont() {
+    if (hud_font_ != nullptr) { return; }
+    const auto KEY = UiConfig::get().hudFont().name + ".gif";
+    auto surface = Resource::Cache::get().getSurface(KEY);
+    if (surface == nullptr) { return; }
+    hud_font_ = std::make_shared<Text>(surface, UiConfig::get().hudFont().fnt);
+    hud_font_->setDefaultKerning(UiConfig::get().hudFont().kerning);
+}
+
 void Editor::ensureEditableEntities() {
     if (!editable_entities_.empty()) { return; }
     // Recorrem tots els noms registrats al factory i ens quedem amb els
@@ -623,6 +636,67 @@ void Editor::deleteSelected(EntityManager& entities) {
     if (entities.removeEntity(target)) { hand_selected_idx_ = -1; }
 }
 
+void Editor::renderEditorHud(const EntityManager& entities) const {
+    if (hud_font_ == nullptr || Map::hud_h <= 0) { return; }
+    auto& screen = Screen::get();
+    const auto& pal = Resource::Cache::get().getPalette("ui");
+    screen.fillRect(0, 0, GameCanvas::WIDTH, Map::hud_h, pal[UiConfig::get().hudBg()]);
+
+    std::string mode_str;
+    switch (mode_) {
+        case Mode::TILE:
+            mode_str = "TILE";
+            break;
+        case Mode::ENTITY:
+            mode_str = "ENTITY";
+            break;
+        case Mode::HAND:
+            mode_str = "HAND";
+            break;
+    }
+
+    std::string brush_label;
+    std::string brush_value;
+    if (mode_ == Mode::TILE) {
+        brush_label = "BRUSH:";
+        brush_value = (brush_tile_ >= 0) ? std::to_string(brush_tile_) : "-";
+    } else if (mode_ == Mode::ENTITY) {
+        brush_label = "BRUSH:";
+        brush_value = brush_entity_.empty() ? "-" : brush_entity_;
+    } else {
+        const auto LIST = entities.getEntities();
+        brush_label = "SEL:";
+        brush_value = (hand_selected_idx_ >= 0 && hand_selected_idx_ < static_cast<int>(LIST.size()))
+            ? LIST[hand_selected_idx_]->getName()
+            : "-";
+    }
+
+    const std::string COORD = (cursor_col_ >= 0)
+        ? "(" + std::to_string(cursor_col_) + "," + std::to_string(cursor_row_) + ")"
+        : "(--,--)";
+
+    const auto LBL = UiConfig::get().hudLabel();
+    const auto VAL = UiConfig::get().hudValue();
+    const int KERN = UiConfig::get().hudFont().kerning;
+    const int Y = (Map::hud_h - Rendering::Hud::FONT_SIZE_PX) / 2;
+    int x = 2;
+
+    auto draw = [&](const std::string& s, std::uint8_t color) {
+        hud_font_->writeColored(x, Y, s, color, KERN);
+        x += hud_font_->length(s, KERN);
+    };
+
+    draw("MODE:", LBL);
+    draw(" " + mode_str, VAL);
+    draw("  " + brush_label, LBL);
+    draw(" " + brush_value, VAL);
+    draw("  " + COORD, VAL);
+    draw("  DOOR:", LBL);
+    draw(" " + std::to_string(countByName(entities, "door")), VAL);
+    draw("  SARCS:", LBL);
+    draw(" " + std::to_string(countByName(entities, "sarcophagus")), VAL);
+}
+
 void Editor::renderEntityFrame(const Entity& e, std::uint32_t argb) {
     const auto R = e.getPixelRect();
     auto& screen = Screen::get();
@@ -793,6 +867,13 @@ void Editor::render(const Tilemap& tilemap, const EntityManager& entities) const
         }
     }
 
+    // HUD d'edició: només quan no hi ha picker obert (no té sentit
+    // tapar el picker amb la franja). Es pinta abans del border per
+    // que la línia de vora quedi visible per damunt.
+    if (picker_ == Picker::NONE) {
+        renderEditorHud(entities);
+    }
+
     const auto BORDER = EditorConfig::get().borderArgb();
     screen.fillRect(0, 0, W, 1, BORDER);
     screen.fillRect(0, H - 1, W, 1, BORDER);