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engines/petka/big_dialogue.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 PETKA_BIG_DIALOGUE_H
+#define PETKA_BIG_DIALOGUE_H
+
+#include "common/array.h"
+#include "common/ustr.h"
+
+namespace Petka {
+
+class PetkaEngine;
+
+enum {
+	kOpcodePlay = 1,
+	kOpcodeMenu,
+	kOpcodeEnd,
+	kOpcodeUserMessage
+};
+
+enum {
+	kOperationBreak = 1,
+	kOperationMenu,
+	kOperationGoTo,
+	kOperationDisableMenuItem,
+	kOperationEnableMenuItem,
+	kOperationReturn,
+	kOperationPlay,
+	kOperationCircle,
+	kOperationUserMessage
+};
+
+struct Operation {
+	union {
+		struct {
+			byte bits;
+			uint16 bitField;
+		} menu;
+		struct {
+			uint16 opIndex;
+		} goTo;
+		struct {
+			uint16 opIndex;
+			byte bit;
+		} disableMenuItem;
+		struct {
+			uint16 opIndex;
+			byte bit;
+		} enableMenuItem;
+		struct {
+			uint16 messageIndex;
+		} play;
+		struct {
+			uint16 count;
+			byte curr;
+		} circle;
+		struct {
+			uint16 arg;
+		} userMsg;
+	};
+	byte type;
+};
+
+struct Dialog {
+	uint32 startOpIndex;
+	// uint32 opsCount;
+	// Operation *ops;
+};
+
+struct DialogHandler {
+	uint32 opcode;
+	uint32 startDialogIndex;
+	Common::Array<Dialog> dialogs;
+};
+
+struct DialogGroup {
+	uint32 objId;
+	Common::Array<DialogHandler> handlers;
+};
+
+struct SpeechInfo {
+	uint32 speakerId;
+	char soundName[16];
+	Common::U32String text;
+};
+
+class BigDialogue {
+public:
+	BigDialogue(PetkaEngine &vm);
+
+	uint opcode();
+
+	uint choicesCount();
+
+	void next(int choice = -1);
+
+	const DialogHandler *findHandler(uint objId, uint opcode, bool *fallback) const;
+	void setHandler(uint objId, uint opcode);
+
+	const Common::U32String *getSpeechInfo(int *talkerId, const char **soundName, int choice);
+	void getMenuChoices(Common::Array<Common::U32String> &choices);
+
+	void load(Common::ReadStream *s);
+	void save(Common::WriteStream *s);
+
+private:
+	void loadSpeechesInfo();
+	bool checkMenu(uint opIndex);
+	bool findOperation(uint startOpIndex, uint opType, uint *resIndex);
+	void circleMoveTo(byte index);
+
+private:
+	PetkaEngine &_vm;
+
+	Operation *_currOp;
+	Common::Array<Operation> _ops;
+	uint _startOpIndex;
+
+	Common::Array<SpeechInfo> _speeches;
+	Common::Array<DialogGroup> _objDialogs;
+};
+
+} // End of namespace Petka
+
+#endif