From 7566a12352ff6c5609c8db032a73961d8feffbf9 Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Fri, 2 May 2008 15:08:45 +0000
Subject: Moved common kyra2/kyra3 item to KyraEngine_v2.

svn-id: r31819
---
 engines/kyra/items_hof.cpp    |  83 ++++--------------------------
 engines/kyra/items_mr.cpp     |  78 ----------------------------
 engines/kyra/items_v2.cpp     | 116 ++++++++++++++++++++++++++++++++++++++++++
 engines/kyra/kyra_hof.cpp     |   3 +-
 engines/kyra/kyra_mr.cpp      |   4 +-
 engines/kyra/kyra_mr.h        |  24 +--------
 engines/kyra/kyra_v2.cpp      |   5 ++
 engines/kyra/kyra_v2.h        |  30 +++++++++++
 engines/kyra/module.mk        |   1 +
 engines/kyra/saveload.cpp     |   2 +-
 engines/kyra/saveload_hof.cpp |   4 +-
 engines/kyra/saveload_mr.cpp  |   4 +-
 12 files changed, 170 insertions(+), 184 deletions(-)
 create mode 100644 engines/kyra/items_v2.cpp

(limited to 'engines/kyra')

diff --git a/engines/kyra/items_hof.cpp b/engines/kyra/items_hof.cpp
index c20ce5bbb1..da3062fe2c 100644
--- a/engines/kyra/items_hof.cpp
+++ b/engines/kyra/items_hof.cpp
@@ -27,34 +27,6 @@
 
 namespace Kyra {
 
-int KyraEngine_HoF::findFreeItem() {
-	debugC(9, kDebugLevelMain, "KyraEngine_HoF::findFreeItem()");
-	for (int i = 0; i < 30; ++i) {
-		if (_itemList[i].id == 0xFFFF)
-			return i;
-	}
-	return -1;
-}
-
-int KyraEngine_HoF::countAllItems() {
-	debugC(9, kDebugLevelMain, "KyraEngine_HoF::countAllItems()");
-	int num = 0;
-	for (int i = 0; i < 30; ++i) {
-		if (_itemList[i].id != 0xFFFF)
-			++num;
-	}
-	return num;
-}
-
-int KyraEngine_HoF::findItem(uint16 sceneId, uint16 id) {
-	debugC(9, kDebugLevelMain, "KyraEngine_HoF::findItem(%u, %u)", sceneId, id);
-	for (int i = 0; i < 30; ++i) {
-		if (_itemList[i].id == id && _itemList[i].sceneId == sceneId)
-			return i;
-	}
-	return -1;
-}
-
 int KyraEngine_HoF::checkItemCollision(int x, int y) {
 	debugC(9, kDebugLevelMain, "KyraEngine_HoF::checkItemCollision(%d, %d)", x, y);
 	int itemPos = -1, yPos = -1;
@@ -86,17 +58,6 @@ int KyraEngine_HoF::checkItemCollision(int x, int y) {
 	return itemPos;
 }
 
-void KyraEngine_HoF::resetItemList() {
-	debugC(9, kDebugLevelMain, "KyraEngine_HoF::resetItemList()");
-	for (int i = 0; i < 30; ++i) {
-		_itemList[i].id = 0xFFFF;
-		_itemList[i].sceneId = 0xFFFF;
-		_itemList[i].x = 0;
-		_itemList[i].y = 0;
-		_itemList[i].unk7 = 0;
-	}
-}
-
 void KyraEngine_HoF::updateWaterFlasks() {
 	debugC(9, kDebugLevelMain, "KyraEngine_HoF::updateWaterFlasks()");
 	for (int i = 22; i < 24; i++) {
@@ -165,7 +126,6 @@ bool KyraEngine_HoF::processItemDrop(uint16 sceneId, uint16 item, int x, int y,
 		_itemList[freeItemSlot].x = x;
 		_itemList[freeItemSlot].y = y;
 		_itemList[freeItemSlot].id = item;
-		_itemList[freeItemSlot].unk7 = 1;
 		_itemList[freeItemSlot].sceneId = sceneId;
 		return true;
 	}
@@ -459,6 +419,16 @@ int KyraEngine_HoF::getItemCommandStringInv(uint16 item) {
 	return pickUpStringIds[stringId];
 }
 
+bool KyraEngine_HoF::itemIsFlask(int item) {
+	debugC(9, kDebugLevelMain, "KyraEngine_HoF::itemIsFlask(%d)", item);
+	for (int i = 0; _flaskTable[i] != -1; ++i) {
+		if (_flaskTable[i] == item)
+			return true;
+	}
+
+	return false;
+}
+
 void KyraEngine_HoF::setMouseCursor(uint16 item) {
 	debugC(9, kDebugLevelMain, "KyraEngine_HoF::setMouseCursor(%u)", item);
 	int shape = 0;
@@ -474,38 +444,5 @@ void KyraEngine_HoF::setMouseCursor(uint16 item) {
 	_screen->setMouseCursor(hotX, hotY, getShapePtr(shape));
 }
 
-void KyraEngine_HoF::setHandItem(uint16 item) {
-	debugC(9, kDebugLevelMain, "KyraEngine_HoF::setHandItem(%u)", item);
-	_screen->hideMouse();
-
-	if (item == 0xFFFF) {
-		removeHandItem();
-	} else {
-		setMouseCursor(item);
-		_itemInHand = item;
-	}
-
-	_screen->showMouse();
-}
-
-void KyraEngine_HoF::removeHandItem() {
-	debugC(9, kDebugLevelMain, "KyraEngine_HoF::removeHandItem()");
-	_screen->hideMouse();
-	_screen->setMouseCursor(0, 0, getShapePtr(0));
-	_itemInHand = -1;
-	_handItemSet = -1;
-	_screen->showMouse();
-}
-
-bool KyraEngine_HoF::itemIsFlask(int item) {
-	debugC(9, kDebugLevelMain, "KyraEngine_HoF::itemIsFlask(%d)", item);
-	for (int i = 0; _flaskTable[i] != -1; ++i) {
-		if (_flaskTable[i] == item)
-			return true;
-	}
-
-	return false;
-}
-
 } // end of namespace Kyra
 
diff --git a/engines/kyra/items_mr.cpp b/engines/kyra/items_mr.cpp
index 609d87881e..8ace9f8a3c 100644
--- a/engines/kyra/items_mr.cpp
+++ b/engines/kyra/items_mr.cpp
@@ -28,21 +28,6 @@
 
 namespace Kyra {
 
-void KyraEngine_MR::resetItem(int index) {
-	debugC(9, kDebugLevelMain, "KyraEngine_MR::resetItem(%d)", index);
-	_itemList[index].id = 0xFFFF;
-	_itemList[index].sceneId = 0xFFFF;
-	_itemList[index].x = 0;
-	_itemList[index].y = 0;
-	_itemList[index].unk8 = 0;
-}
-
-void KyraEngine_MR::resetItemList() {
-	debugC(9, kDebugLevelMain, "KyraEngine_MR::resetItemList()");
-	for (int i = 0; i < 50; ++i)
-		resetItem(i);
-}
-
 void KyraEngine_MR::removeTrashItems() {
 	debugC(9, kDebugLevelMain, "KyraEngine_MR::removeTrashItems()");
 	for (int i = 0; _trashItemList[i] != 0xFF; ++i) {
@@ -55,15 +40,6 @@ void KyraEngine_MR::removeTrashItems() {
 	}
 }
 
-int KyraEngine_MR::findFreeItem() {
-	debugC(9, kDebugLevelMain, "KyraEngine_MR::findFreeItem()");
-	for (int i = 0; i < 50; ++i) {
-		if (_itemList[i].id == 0xFFFF)
-			return i;
-	}
-	return -1;
-}
-
 int KyraEngine_MR::findFreeInventorySlot() {
 	debugC(9, kDebugLevelMain, "KyraEngine_MR::findFreeInventorySlot()");
 	for (int i = 0; i < 10; ++i) {
@@ -73,36 +49,6 @@ int KyraEngine_MR::findFreeInventorySlot() {
 	return -1;
 }
 
-int KyraEngine_MR::findItem(uint16 sceneId, uint16 id) {
-	debugC(9, kDebugLevelMain, "KyraEngine_MR::findItem(%u, %u)", sceneId, id);
-	for (int i = 0; i < 50; ++i) {
-		if (_itemList[i].id == id && _itemList[i].sceneId == sceneId)
-			return i;
-	}
-	return -1;
-}
-
-int KyraEngine_MR::findItem(uint16 item) {
-	debugC(9, kDebugLevelMain, "KyraEngine_MR::findItem(%u)", item);
-	for (int i = 0; i < 50; ++i) {
-		if (_itemList[i].id == item)
-			return i;
-	}
-	return -1;
-}
-
-int KyraEngine_MR::countAllItems() {
-	debugC(9, kDebugLevelMain, "KyraEngine_MR::countAllItems()");
-	int count = 0;
-
-	for (int i = 0; i < 50; ++i) {
-		if (_itemList[i].id != 0xFFFF)
-			++count;
-	}
-
-	return count;
-}
-
 int KyraEngine_MR::checkItemCollision(int x, int y) {
 	debugC(9, kDebugLevelMain, "KyraEngine_MR::checkItemCollision(%d, %d)", x, y);
 	int itemIndex = -1;
@@ -158,29 +104,6 @@ void KyraEngine_MR::setItemMouseCursor() {
 		_screen->setMouseCursor(12, 19, _gameShapes[_itemInHand+248]);
 }
 
-void KyraEngine_MR::setHandItem(uint16 item) {
-	debugC(9, kDebugLevelMain, "KyraEngine_MR::setHandItem(%u)", item);
-	_screen->hideMouse();
-
-	if (item == 0xFFFF) {
-		removeHandItem();
-	} else {
-		setMouseCursor(item);
-		_itemInHand = item;
-	}
-
-	_screen->showMouse();
-}
-
-void KyraEngine_MR::removeHandItem() {
-	debugC(9, kDebugLevelMain, "KyraEngine_MR::removeHandItem()");
-	_screen->hideMouse();
-	_screen->setMouseCursor(0, 0, _gameShapes[0]);
-	_itemInHand = -1;
-	_handItemSet = -1;
-	_screen->showMouse();
-}
-
 bool KyraEngine_MR::dropItem(int unk1, uint16 item, int x, int y, int unk2) {
 	debugC(9, kDebugLevelMain, "KyraEngine_MR::dropItem(%d, %d, %d, %d, %d)", unk1, item, x, y, unk2);
 
@@ -237,7 +160,6 @@ bool KyraEngine_MR::processItemDrop(uint16 sceneId, uint16 item, int x, int y, i
 		_itemList[freeItemSlot].x = x;
 		_itemList[freeItemSlot].y = y;
 		_itemList[freeItemSlot].id = item;
-		_itemList[freeItemSlot].unk8 = 1;
 		_itemList[freeItemSlot].sceneId = sceneId;
 		return true;
 	}
diff --git a/engines/kyra/items_v2.cpp b/engines/kyra/items_v2.cpp
new file mode 100644
index 0000000000..c207a99963
--- /dev/null
+++ b/engines/kyra/items_v2.cpp
@@ -0,0 +1,116 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "kyra/kyra_v2.h"
+#include "kyra/screen_v2.h"
+
+namespace Kyra {
+
+void KyraEngine_v2::initItemList(int size) {
+	debugC(9, kDebugLevelMain, "KyraEngine_v2::initItemList(%d)", size);
+	delete [] _itemList;
+
+	_itemList = new Item[size];
+	_itemListSize = size;
+}
+
+int KyraEngine_v2::findFreeItem() {
+	debugC(9, kDebugLevelMain, "KyraEngine_v2::findFreeItem()");
+	for (int i = 0; i < _itemListSize; ++i) {
+		if (_itemList[i].id == 0xFFFF)
+			return i;
+	}
+	return -1;
+}
+
+int KyraEngine_v2::countAllItems() {
+	debugC(9, kDebugLevelMain, "KyraEngine_v2::countAllItems()");
+	int num = 0;
+	for (int i = 0; i < _itemListSize; ++i) {
+		if (_itemList[i].id != 0xFFFF)
+			++num;
+	}
+	return num;
+}
+
+int KyraEngine_v2::findItem(uint16 sceneId, uint16 id) {
+	debugC(9, kDebugLevelMain, "KyraEngine_v2::findItem(%u, %u)", sceneId, id);
+	for (int i = 0; i < _itemListSize; ++i) {
+		if (_itemList[i].id == id && _itemList[i].sceneId == sceneId)
+			return i;
+	}
+	return -1;
+}
+
+int KyraEngine_v2::findItem(uint16 item) {
+	debugC(9, kDebugLevelMain, "KyraEngine_v2::findItem(%u)", item);
+	for (int i = 0; i < _itemListSize; ++i) {
+		if (_itemList[i].id == item)
+			return i;
+	}
+	return -1;
+}
+
+void KyraEngine_v2::resetItemList() {
+	debugC(9, kDebugLevelMain, "KyraEngine_v2::resetItemList()");
+	for (int i = 0; i < _itemListSize; ++i)
+		resetItem(i);
+}
+
+void KyraEngine_v2::resetItem(int index) {
+	debugC(9, kDebugLevelMain, "KyraEngine_v2::resetItem(%d)", index);
+	_itemList[index].id = 0xFFFF;
+	_itemList[index].sceneId = 0xFFFF;
+	_itemList[index].x = 0;
+	_itemList[index].y = 0;
+}
+
+void KyraEngine_v2::setHandItem(uint16 item) {
+	debugC(9, kDebugLevelMain, "KyraEngine_v2::setHandItem(%u)", item);
+	Screen *scr = screen();
+	scr->hideMouse();
+
+	if (item == 0xFFFF) {
+		removeHandItem();
+	} else {
+		setMouseCursor(item);
+		_itemInHand = item;
+	}
+
+	scr->showMouse();
+}
+
+void KyraEngine_v2::removeHandItem() {
+	debugC(9, kDebugLevelMain, "KyraEngine_v2::removeHandItem()");
+	Screen *scr = screen();
+	scr->hideMouse();
+	scr->setMouseCursor(0, 0, getShapePtr(0));
+	_itemInHand = -1;
+	_handItemSet = -1;
+	scr->showMouse();
+}
+
+} // end of namesapce Kyra
+
diff --git a/engines/kyra/kyra_hof.cpp b/engines/kyra/kyra_hof.cpp
index e4b7d2b528..0c68de430f 100644
--- a/engines/kyra/kyra_hof.cpp
+++ b/engines/kyra/kyra_hof.cpp
@@ -352,8 +352,7 @@ void KyraEngine_HoF::startup() {
 	}
 
 	_gfxBackUpRect = new uint8[_screen->getRectSize(32, 32)];
-	_itemList = new Item[30];
-	memset(_itemList, 0, sizeof(Item)*30);
+	initItemList(30);
 	loadButtonShapes();
 	resetItemList();
 	_loadedZTable = 1;
diff --git a/engines/kyra/kyra_mr.cpp b/engines/kyra/kyra_mr.cpp
index a3295f3f38..8193473205 100644
--- a/engines/kyra/kyra_mr.cpp
+++ b/engines/kyra/kyra_mr.cpp
@@ -57,7 +57,6 @@ KyraEngine_MR::KyraEngine_MR(OSystem *system, const GameFlags &flags) : KyraEngi
 	memset(_sceneShapes, 0, sizeof(_sceneShapes));
 	memset(_sceneAnimMovie, 0, sizeof(_sceneAnimMovie));
 	_gfxBackUpRect = 0;
-	_itemList = 0;
 	_malcolmShapes = 0;
 	_paletteOverlay = 0;
 	_sceneList = 0;
@@ -162,7 +161,6 @@ KyraEngine_MR::~KyraEngine_MR() {
 		delete _sceneAnimMovie[i];
 
 	delete [] _gfxBackUpRect;
-	delete [] _itemList;
 	delete [] _paletteOverlay;
 	delete [] _sceneList;
 
@@ -591,7 +589,7 @@ void KyraEngine_MR::startup() {
 	musicUpdate(0);
 	updateMalcolmShapes();
 	_gfxBackUpRect = new uint8[_screen->getRectSize(32, 32)];
-	_itemList = new Item[50];
+	initItemList(50);
 	resetItemList();
 
 	loadShadowShape();
diff --git a/engines/kyra/kyra_mr.h b/engines/kyra/kyra_mr.h
index e166998bc8..36a83e0719 100644
--- a/engines/kyra/kyra_mr.h
+++ b/engines/kyra/kyra_mr.h
@@ -261,27 +261,11 @@ private:
 	// items
 	int8 *_itemBuffer1;
 	int8 *_itemBuffer2;
-	struct Item {
-		uint16 id;
-		uint16 sceneId;
-		int16 x, y;
-		uint16 unk8;
-	};
-
-	Item *_itemList;
 	uint16 _hiddenItems[100];
 
-	void resetItem(int index);
-	void resetItemList();
 	static const uint8 _trashItemList[];
 	void removeTrashItems();
 
-	int findFreeItem();
-	int findItem(uint16 item, uint16 scene);
-	int findItem(uint16 item);
-
-	int countAllItems();
-	
 	void initItems();
 
 	int checkItemCollision(int x, int y);
@@ -309,14 +293,8 @@ private:
 	int getItemCommandStringInv(uint16 item);
 
 	// -> hand item
-	void setMouseCursor(uint16 item);
-
-	void setHandItem(uint16 item);
-	void removeHandItem();
 	void setItemMouseCursor();
-
-	int _itemInHand;
-	int _handItemSet;
+	void setMouseCursor(uint16 item);
 
 	// shapes
 	void initMouseShapes();
diff --git a/engines/kyra/kyra_v2.cpp b/engines/kyra/kyra_v2.cpp
index 2fefd08888..cc10d2911b 100644
--- a/engines/kyra/kyra_v2.cpp
+++ b/engines/kyra/kyra_v2.cpp
@@ -34,6 +34,9 @@ KyraEngine_v2::KyraEngine_v2(OSystem *system, const GameFlags &flags) : KyraEngi
 
 	_lastProcessedSceneScript = 0;
 	_specialSceneScriptRunFlag = false;
+
+	_itemList = 0;
+	_itemListSize = 0;
 }
 
 KyraEngine_v2::~KyraEngine_v2() {
@@ -42,6 +45,8 @@ KyraEngine_v2::~KyraEngine_v2() {
 		i->_value = 0;
 	}
 	_gameShapes.clear();
+
+	delete [] _itemList;
 }
 
 void KyraEngine_v2::updateInput() {
diff --git a/engines/kyra/kyra_v2.h b/engines/kyra/kyra_v2.h
index 08220123bb..0e44da4934 100644
--- a/engines/kyra/kyra_v2.h
+++ b/engines/kyra/kyra_v2.h
@@ -205,6 +205,36 @@ protected:
 
 	int _pathfinderPositionTable[400];
 	int _pathfinderPositionIndexTable[200];
+
+	// items
+	struct Item {
+		uint16 id;
+		uint16 sceneId;
+		int16 x;
+		uint8 y;
+	};
+
+	void initItemList(int size);
+
+	Item *_itemList;
+	int _itemListSize;
+
+	int _itemInHand;
+	int _handItemSet;
+
+	int findFreeItem();
+	int countAllItems();
+
+	int findItem(uint16 sceneId, uint16 id);
+	int findItem(uint16 item);
+
+	void resetItemList();
+	void resetItem(int index);
+
+	virtual void setMouseCursor(uint16 item) = 0;
+
+	void setHandItem(uint16 item);
+	void removeHandItem();
 };
 
 } // end of namespace Kyra
diff --git a/engines/kyra/module.mk b/engines/kyra/module.mk
index a45891de46..48bbb6e659 100644
--- a/engines/kyra/module.mk
+++ b/engines/kyra/module.mk
@@ -12,6 +12,7 @@ MODULE_OBJS := \
 	gui_v2.o \
 	gui_v3.o \
 	items_v1.o \
+	items_v2.o \
 	items_hof.o \
 	items_mr.o \
 	kyra.o \
diff --git a/engines/kyra/saveload.cpp b/engines/kyra/saveload.cpp
index c348c622a9..3b78ce579c 100644
--- a/engines/kyra/saveload.cpp
+++ b/engines/kyra/saveload.cpp
@@ -29,7 +29,7 @@
 
 #include "kyra/kyra.h"
 
-#define CURRENT_SAVE_VERSION 9
+#define CURRENT_SAVE_VERSION 10
 
 #define GF_FLOPPY  (1 <<  0)
 #define GF_TALKIE  (1 <<  1)
diff --git a/engines/kyra/saveload_hof.cpp b/engines/kyra/saveload_hof.cpp
index 00a54ea916..75abdaa9e2 100644
--- a/engines/kyra/saveload_hof.cpp
+++ b/engines/kyra/saveload_hof.cpp
@@ -92,7 +92,6 @@ void KyraEngine_HoF::saveGame(const char *fileName, const char *saveName) {
 		out->writeUint16BE(_itemList[i].sceneId);
 		out->writeSint16BE(_itemList[i].x);
 		out->writeByte(_itemList[i].y);
-		out->writeUint16BE(_itemList[i].unk7);
 	}
 
 	for (int i = 0; i < 72; ++i) {
@@ -228,7 +227,8 @@ void KyraEngine_HoF::loadGame(const char *fileName) {
 		_itemList[i].sceneId = in.readUint16();
 		_itemList[i].x = in.readSint16();
 		_itemList[i].y = in.readByte();
-		_itemList[i].unk7 = in.readUint16();
+		if (header.version <= 9)
+			in.readUint16();
 	}
 
 	for (int i = 0; i < 72; ++i) {
diff --git a/engines/kyra/saveload_mr.cpp b/engines/kyra/saveload_mr.cpp
index cab86c3cfe..f8030e69fb 100644
--- a/engines/kyra/saveload_mr.cpp
+++ b/engines/kyra/saveload_mr.cpp
@@ -79,7 +79,6 @@ void KyraEngine_MR::saveGame(const char *fileName, const char *saveName) {
 		out->writeUint16BE(_itemList[i].sceneId);
 		out->writeSint16BE(_itemList[i].x);
 		out->writeSint16BE(_itemList[i].y);
-		out->writeUint16BE(_itemList[i].unk8);
 	}
 
 	for (int i = 0; i < 88; ++i) {
@@ -189,7 +188,8 @@ void KyraEngine_MR::loadGame(const char *fileName) {
 		_itemList[i].sceneId = in.readUint16();
 		_itemList[i].x = in.readSint16();
 		_itemList[i].y = in.readSint16();
-		_itemList[i].unk8 = in.readUint16();
+		if (header.version <= 9)
+			in.readUint16();
 	}
 
 	for (int i = 0; i < 88; ++i) {
-- 
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