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engines/ultima/ultima8/gumps/weasel_gump.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef ULTIMA8_GUMPS_REMORSEMENUGUMP_H
+#define ULTIMA8_GUMPS_REMORSEMENUGUMP_H
+
+#include "ultima/shared/std/string.h"
+#include "ultima/ultima8/gumps/modal_gump.h"
+#include "ultima/ultima8/misc/classtype.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+class WeaselDat;
+
+/**
+ * Weasel weapon seller Crusader.
+ */
+class WeaselGump : public ModalGump {
+public:
+	ENABLE_RUNTIME_CLASSTYPE()
+
+	enum WeaselGumpState {
+		kWeaselStart,
+		kWeaselConfirmPurchaseMovie,
+		kWeaselConfirmPurchaseText,
+		kWeaselCancelledPurchaseMovie,
+		kWeaselCancelledPurchaseText,
+		kWeaselCompletedPurchase,
+		kWeaselInsufficientFunds,
+		kWeaselBrowsing,
+		kWeaselClosing,
+		kWeaselCheckBuyMoreMovie,
+		kWeaselCheckBuyMoreText,
+		kWeaselShowIntro
+	};
+
+	WeaselGump(uint16 level);
+	~WeaselGump() override;
+
+	// Init the gump, call after construction
+	void InitGump(Gump *newparent, bool take_focus = true) override;
+	void Close(bool no_del = false) override;
+
+	void run() override;
+
+	// Paint the Gump
+	void PaintThis(RenderSurface *, int32 lerp_factor, bool scaled) override;
+
+	bool OnKeyDown(int key, int mod) override;
+	bool OnTextInput(int unicode) override;
+	void ChildNotify(Gump *child, uint32 message) override;
+
+	static uint32 I_showWeaselGump(const uint8 *args, unsigned int /*argsize*/);
+
+private:
+
+	void onButtonClick(int entry);
+
+	void prevItem();
+	void nextItem();
+	void buyItem();
+	void updateForAmmoMode();
+	void checkClose();
+	void completePurchase();
+	void abortPurchase();
+	void checkBuyMore();
+	void confirmPurchase();
+	void setYesNoQuestion(const Std::string &msg);
+	void browsingMode(bool browsing);
+	int purchasedCount(uint16 shape) const;
+
+	void updateItemDisplay();
+	Gump *playMovie(const Std::string &filename);
+
+	/// Gump to hold all the UI items (not the movies)
+	Gump *_ui;
+
+	/// Gump for playing movies
+	Gump *_movie;
+
+	/// The menu of items on offer
+	uint16 _level;
+
+	/// Current gump state
+	WeaselGumpState _state;
+
+	const WeaselDat *_weaselDat;
+
+	/// Remaining balance including pending purchases
+	int32 _credits;
+
+	/// The list of pending purchases (shape nums)
+	Std::vector<uint16> _purchases;
+
+	/// The current item num being browsed
+	int _curItem;
+
+	/// Whether we're browsing ammo or weapons
+	bool _ammoMode;
+
+	/// Cost of current item
+	int32 _curItemCost;
+
+	/// Shape of current item
+	uint16 _curItemShape;
+
+	/**
+	 * Whether the first intro movie has been played. Remember this between
+	 * displays of the gump, but don't save.
+	 *
+	 * It only ever shows on level 1 so there is only a single way it can be re-shown
+	 * (save during the first time at the base and reload after restarting the game).
+	 *
+	 * TODO: test if original does this to be perfectly faithful
+	 */
+	static bool _playedIntroMovie;
+};
+
+} // End of namespace Ultima8
+} // End of namespace Ultima
+
+#endif