Make direct item selection keys freely bindable

src/client/keys.h

@@ -76,6 +76,31 @@ public:
 
 		DEBUG_STACKS,
 
+		// hotbar
+		SLOT_1,
+		SLOT_2,
+		SLOT_3,
+		SLOT_4,
+		SLOT_5,
+		SLOT_6,
+		SLOT_7,
+		SLOT_8,
+		SLOT_9,
+		SLOT_10,
+		SLOT_11,
+		SLOT_12,
+		SLOT_13,
+		SLOT_14,
+		SLOT_15,
+		SLOT_16,
+		SLOT_17,
+		SLOT_18,
+		SLOT_19,
+		SLOT_20,
+		SLOT_21,
+		SLOT_22,
+		SLOT_23,
+
 		// joystick specific keys
 		MOUSE_L,
 		MOUSE_R,

src/defaultsettings.cpp

@@ -101,6 +101,39 @@ void set_default_settings(Settings *settings)
 	settings->setDefault("keymap_screenshot", "KEY_F12");
 	settings->setDefault("keymap_increase_viewing_range_min", "+");
 	settings->setDefault("keymap_decrease_viewing_range_min", "-");
+	settings->setDefault("keymap_slot1", "KEY_KEY_1");
+	settings->setDefault("keymap_slot2", "KEY_KEY_2");
+	settings->setDefault("keymap_slot3", "KEY_KEY_3");
+	settings->setDefault("keymap_slot4", "KEY_KEY_4");
+	settings->setDefault("keymap_slot5", "KEY_KEY_5");
+	settings->setDefault("keymap_slot6", "KEY_KEY_6");
+	settings->setDefault("keymap_slot7", "KEY_KEY_7");
+	settings->setDefault("keymap_slot8", "KEY_KEY_8");
+	settings->setDefault("keymap_slot9", "KEY_KEY_9");
+	settings->setDefault("keymap_slot10", "KEY_KEY_0");
+	settings->setDefault("keymap_slot11", "");
+	settings->setDefault("keymap_slot12", "");
+	settings->setDefault("keymap_slot13", "");
+	settings->setDefault("keymap_slot14", "");
+	settings->setDefault("keymap_slot15", "");
+	settings->setDefault("keymap_slot16", "");
+	settings->setDefault("keymap_slot17", "");
+	settings->setDefault("keymap_slot18", "");
+	settings->setDefault("keymap_slot19", "");
+	settings->setDefault("keymap_slot20", "");
+	settings->setDefault("keymap_slot21", "");
+	settings->setDefault("keymap_slot22", "");
+	settings->setDefault("keymap_slot23", "");
+	settings->setDefault("enable_build_where_you_stand", "false" );
+	settings->setDefault("3d_mode", "none");
+	settings->setDefault("3d_paralax_strength", "0.025");
+	settings->setDefault("aux1_descends", "false");
+	settings->setDefault("doubletap_jump", "false");
+	settings->setDefault("always_fly_fast", "true");
+	settings->setDefault("directional_colored_fog", "true");
+	settings->setDefault("tooltip_show_delay", "400");
+	settings->setDefault("zoom_fov", "15");
+
 	// Some (temporary) keys for debugging
 	settings->setDefault("keymap_print_debug_stacks", "KEY_KEY_P");
 	settings->setDefault("keymap_quicktune_prev", "KEY_HOME");

src/game.cpp

@@ -1107,6 +1107,11 @@ void KeyCache::populate()
 
 	key[KeyType::DEBUG_STACKS]   = getKeySetting("keymap_print_debug_stacks");
 
+	for (int i = 0; i < 23; i++) {
+		std::string slot_key_name = "keymap_slot" + std::to_string(i + 1);
+		key[KeyType::SLOT_1 + i] = getKeySetting(slot_key_name.c_str());
+	}
+
 	if (handler) {
 		// First clear all keys, then re-add the ones we listen for
 		handler->dontListenForKeys();
@@ -1115,9 +1120,6 @@ void KeyCache::populate()
 		}
 		handler->listenForKey(EscapeKey);
 		handler->listenForKey(CancelKey);
-		for (size_t i = 0; i < 10; i++) {
-			handler->listenForKey(NumberKey[i]);
-		}
 	}
 }
 
@@ -2639,16 +2641,10 @@ void Game::processItemSelection(u16 *new_playeritem)
 		*new_playeritem = *new_playeritem > 0 ? *new_playeritem - 1 : max_item;
 	// else dir == 0
 
-	/* Item selection using keyboard
+	/* Item selection using hotbar slot keys
 	 */
-	for (u16 i = 0; i < 10; i++) {
-		static const KeyPress *item_keys[10] = {
-			NumberKey + 1, NumberKey + 2, NumberKey + 3, NumberKey + 4,
-			NumberKey + 5, NumberKey + 6, NumberKey + 7, NumberKey + 8,
-			NumberKey + 9, NumberKey + 0,
-		};
-
-		if (input->wasKeyDown(*item_keys[i])) {
+	for (u16 i = 0; i < 23; i++) {
+		if (wasKeyDown((GameKeyType) (KeyType::SLOT_1 + i))) {
 			if (i < PLAYER_INVENTORY_SIZE && i < player->hud_hotbar_itemcount) {
 				*new_playeritem = i;
 				infostream << "Selected item: " << new_playeritem << std::endl;

src/keycode.cpp

@@ -351,10 +351,6 @@ const char *KeyPress::name() const
 
 const KeyPress EscapeKey("KEY_ESCAPE");
 const KeyPress CancelKey("KEY_CANCEL");
-const KeyPress NumberKey[] = {
-	KeyPress("0"), KeyPress("1"), KeyPress("2"), KeyPress("3"), KeyPress("4"),
-	KeyPress("5"), KeyPress("6"), KeyPress("7"), KeyPress("8"), KeyPress("9")
-};
 
 /*
 	Key config

src/keycode.h

@@ -57,7 +57,6 @@ protected:
 
 extern const KeyPress EscapeKey;
 extern const KeyPress CancelKey;
-extern const KeyPress NumberKey[10];
 
 // Key configuration getter
 KeyPress getKeySetting(const char *settingname);