add an inventory screen (not completely tested yet

src/include/invscreen.h

+#pragma once
+#include "uistate.h"
+#include "playerchar.h"
+#include "../libtcod/include/libtcod.hpp"
+#include "playstate.h"
+#include "level.h"
+
+class InvScreen : public UIState {
+	public:
+		InvScreen(PlayerChar*, Level*);
+		void draw(TCODConsole*);
+		UIState* handleInput(TCOD_key_t);
+	private:
+		PlayerChar* player;
+		Level* level;
+};

src/invscreen.cpp

+#include "include/invscreen.h"
+#include "include/playerchar.h"
+#include "include/playstate.h"
+#include "libtcod/include/libtcod.hpp"
+
+InvScreen::InvScreen(PlayerChar* player, Level* level)
+	: player(player)
+	, level(level)
+{}
+
+UIState* InvScreen::handleInput(TCOD_key_t key) {
+	if (key.vk == TCODK_ESCAPE) {
+		return new PlayState(player, level);
+	}
+	return this;
+}
+
+void InvScreen::draw(TCODConsole* con) {
+	int y = 0;
+	for (auto item : player->getInventory()) {
+		con->print(0, y, item.first->getName().c_str());
+	}
+}

src/playstate.cpp

@@ -3,6 +3,7 @@
 #include "include/playerchar.h"
 #include "include/level.h"
 #include "include/ripscreen.h"
+#include "include/invscreen.h"
 #include "libtcod/include/libtcod.hpp"
 #include <iostream>
 #include <string>
@@ -160,6 +161,9 @@ UIState* PlayState::handleInput(TCOD_key_t key) {
 		prompt = new QuitPrompt(player, level);
 		return this;
 	}
+	if (key.c == 'i') {
+		return new InvScreen(player, level);
+	}
 	//Arrow controls
 	auto newPos = player->getLocation().copy();
 	if (key.vk == TCODK_UP) {