Working on inventory

src/MenuManager.cpp

@@ -32,6 +32,7 @@ namespace ZL {
 
 	void MenuManager::setup(Inventory& inv, const std::string& zipFile) {
 		inventory = &inv;
+		zipFile_ = zipFile;
 
 		//hudRoot          = loadUiFromFile("resources/config2/hud.json",               renderer, zipFile);
 		hudRoot       = loadUiFromFile("resources/w/ui/hud_step0.json",   renderer, zipFile);
@@ -44,7 +45,6 @@ namespace ZL {
 		hudStep5abRoot   = loadUiFromFile("resources/w/ui/hud_step5ab.json",   renderer, zipFile);
 		phoneScreenRoot  = loadUiFromFile("resources/w/ui/screen_phone.json",  renderer, zipFile);
 		journalScreenRoot= loadUiFromFile("resources/w/ui/screen_journal.json", renderer, zipFile);
-		inventoryRoot    = loadUiFromFile("resources/config2/ui_inventory.json",       renderer, zipFile);
 		newInventoryRoot = loadUiFromFile("resources/w/ui/screen_inventory.json", renderer, zipFile);
 		questJournalRoot = loadUiFromFile("resources/config2/ui_quest_journal.json",   renderer, zipFile);
 
@@ -76,26 +76,71 @@ namespace ZL {
 		uiManager.pushMenuFromSavedRoot(newInventoryRoot);
 		uiManager.setButtonCallback("inventoryExitButton", [this](const std::string&) {
 			closeInventory();
-			});
-		/*
-		uiManager.pushMenuFromSavedRoot(inventoryRoot);
-
-		uiManager.setTextButtonCallback("close_inventory_button", [this](const std::string&) {
-			closeInventory();
-			});
+		});
 
 		const auto& items = inventory->getItems();
-		std::string itemText;
-		if (items.empty()) {
-			itemText = "Inventory (Empty)";
-		}
-		else {
-			itemText = "Inventory (" + std::to_string(items.size()) + " items)\n\n";
-			for (size_t i = 0; i < items.size(); ++i) {
-				itemText += std::to_string(i + 1) + ". " + items[i].name + "\n";
+		const int maxSlots = 7;
+
+		for (int i = 0; i < maxSlots; ++i) {
+			const std::string btnName = "item" + std::to_string(i + 1) + "Button";
+			if (i < static_cast<int>(items.size())) {
+				uiManager.setNodeVisible(btnName, true);
+
+				auto btn = uiManager.findButton(btnName);
+				if (btn) {
+					auto tex = renderer.textureManager.LoadFromPng(items[i].icon, zipFile_, true);
+					btn->texNormal = btn->texHover = btn->texPressed = tex;
+				}
+
+				uiManager.setButtonCallback(btnName, [this, i](const std::string&) {
+					selectInventoryItem(i);
+				});
+			} else {
+				uiManager.setNodeVisible(btnName, false);
 			}
 		}
-		uiManager.setText("inventory_items_text", itemText);*/
+
+		inventorySelectedIndex_ = -1;
+		if (!items.empty()) {
+			selectInventoryItem(0);
+		}
+	}
+
+	void MenuManager::selectInventoryItem(int index) {
+		const auto& items = inventory->getItems();
+		if (index < 0 || index >= static_cast<int>(items.size())) return;
+
+		// Revert previously selected button to its regular icon
+		if (inventorySelectedIndex_ >= 0 && inventorySelectedIndex_ < static_cast<int>(items.size())) {
+			const std::string prevBtnName = "item" + std::to_string(inventorySelectedIndex_ + 1) + "Button";
+			auto prevBtn = uiManager.findButton(prevBtnName);
+			if (prevBtn) {
+				auto tex = renderer.textureManager.LoadFromPng(items[inventorySelectedIndex_].icon, zipFile_, true);
+				prevBtn->texNormal = prevBtn->texHover = prevBtn->texPressed = tex;
+			}
+		}
+
+		inventorySelectedIndex_ = index;
+		const auto& item = items[index];
+
+		// Highlight newly selected button with its selected icon
+		const std::string btnName = "item" + std::to_string(index + 1) + "Button";
+		auto btn = uiManager.findButton(btnName);
+		if (btn) {
+			const std::string& selPath = item.selectedIcon.empty() ? item.icon : item.selectedIcon;
+			auto tex = renderer.textureManager.LoadFromPng(selPath, zipFile_, true);
+			btn->texNormal = btn->texHover = btn->texPressed = tex;
+		}
+
+		// Update the large selected picture on the right panel
+		auto img = uiManager.findStaticImage("selectedItemPic");
+		if (img) {
+			const std::string& path = item.selectedIcon.empty() ? item.icon : item.selectedIcon;
+			img->texture = renderer.textureManager.LoadFromPng(path, zipFile_, true);
+		}
+
+		uiManager.setText("selectedText", item.name);
+		uiManager.setText("selectedDescription", item.description);
 	}
 
 	void MenuManager::closeInventory() {
@@ -180,6 +225,11 @@ namespace ZL {
 	// and hides any hints that have already been completed.
 	// Called after every replaceRoot during step 5.
 	void MenuManager::setupStep5Callbacks() {
+		if (uiManager.findButton("inventoryButton")) {
+			uiManager.setButtonCallback("inventoryButton", [this](const std::string&) {
+				openInventory();
+			});
+		}
 		if (uiManager.findButton("phoneButton")) {
 			uiManager.setButtonCallback("phoneButton", [this](const std::string&) {
 				openPhoneScreen();