XEEN: Skeleton beginnings of script handling

7 files changed, 257 insertions, 7 deletions

diff --git a/engines/xeen/files.cpp b/engines/xeen/files.cpp
index f8e7a3fc0c..0c3402f00d 100644
--- a/engines/xeen/files.cpp
+++ b/engines/xeen/files.cpp
@@ -232,4 +232,15 @@ void File::openFile(const Common::String &filename, Common::Archive &archive) {
 		error("Could not open file - %s", filename.c_str());
 }
 
+Common::String File::readString() {
+	Common::String result;
+	char c;
+
+	while (pos() < size() && (c = (char)readByte()) != '\0')
+		result += c;
+
+	return result;
+}
+
+
 } // End of namespace Xeen
diff --git a/engines/xeen/files.h b/engines/xeen/files.h
index f350e34166..f0c92d1050 100644
--- a/engines/xeen/files.h
+++ b/engines/xeen/files.h
@@ -75,6 +75,8 @@ public:
 
 	void openFile(const Common::String &filename);
 	void openFile(const Common::String &filename, Common::Archive &archive);
+
+	Common::String readString();
 };
 
 class XeenSerializer : public Common::Serializer {
diff --git a/engines/xeen/interface.cpp b/engines/xeen/interface.cpp
index d2fea36872..e31b9e240a 100644
--- a/engines/xeen/interface.cpp
+++ b/engines/xeen/interface.cpp
@@ -43,7 +43,6 @@ Interface::Interface(XeenEngine *vm) : ButtonContainer(), InterfaceMap(vm), _vm(
 	_hiliteChar = -1;
 	_intrIndex1 = 0;
 	_flag1 = false;
-	_animCounter = 0;
 	_isAnimReset = false;
 	_tillMove = 0;
 	_overallFrame = 0;
@@ -542,6 +541,7 @@ void Interface::draw3d(bool updateFlag) {
 	Map &map = *_vm->_map;
 	Party &party = *_vm->_party;
 	Screen &screen = *_vm->_screen;
+	Scripts &scripts = *_vm->_scripts;
 
 	if (screen._windows[11]._enabled)
 		return;
@@ -570,7 +570,7 @@ void Interface::draw3d(bool updateFlag) {
 			mazeObject._frame = animEntry._frame1._frames[directionIndex];
 		} else {
 			++mazeObject._frame;
-			if ((int)idx == objNum && _animCounter > 0 && (
+			if ((int)idx == objNum && scripts._animCounter > 0 && (
 					objObject._spriteId == (_vm->_files->_isDarkCc ? 15 : 16) ||
 					objObject._spriteId == 58 || objObject._spriteId == 73)) {
 				if (mazeObject._frame > 4 || mazeObject._spriteId == 58)
diff --git a/engines/xeen/interface.h b/engines/xeen/interface.h
index 93c861e0cd..37ac7be5be 100644
--- a/engines/xeen/interface.h
+++ b/engines/xeen/interface.h
@@ -66,10 +66,8 @@ private:
 	int _heroismUIFrame;
 	int _flipUIFrame;
 	bool _buttonsLoaded;
-	Common::String _interfaceText;
 	int _hiliteChar;
 	bool _flag1;
-	int _animCounter;
 	bool _isAnimReset;
 	byte _tillMove;
 	int _overallFrame;
@@ -107,6 +105,7 @@ private:
 	bool checkMoveDirection(int key);
 public:
 	int _intrIndex1;
+	Common::String _interfaceText;
 public:
 	Interface(XeenEngine *vm);
 
diff --git a/engines/xeen/map.cpp b/engines/xeen/map.cpp
index e541d374d6..d2f4c5e18d 100644
--- a/engines/xeen/map.cpp
+++ b/engines/xeen/map.cpp
@@ -1284,8 +1284,9 @@ void Map::loadEvents(int mapId) {
 	filename = Common::String::format("aaze%c%03d.txt",
 		(mapId >= 100) ? 'x' : '0', mapId);
 	File fText(filename);
-	_events._text.resize(fText.size());
-	fText.read(&_events._text[0], fText.size());
+	_events._text.clear();
+	while (fText.pos() < fText.size())
+		_events._text.push_back(fText.readString());
 	fText.close();
 }
 
diff --git a/engines/xeen/scripts.cpp b/engines/xeen/scripts.cpp
index 55388ec343..50584a2551 100644
--- a/engines/xeen/scripts.cpp
+++ b/engines/xeen/scripts.cpp
@@ -22,6 +22,7 @@
 
 #include "xeen/scripts.h"
 #include "xeen/party.h"
+#include "xeen/xeen.h"
 
 namespace Xeen {
 
@@ -65,9 +66,76 @@ void MazeEvents::synchronize(XeenSerializer &s) {
 /*------------------------------------------------------------------------*/
 
 Scripts::Scripts(XeenEngine *vm) : _vm(vm) {
+	Common::fill(&_charFX[0], &_charFX[MAX_ACTIVE_PARTY], 0);
+	_whoWill = 0;
+	_itemType = 0;
+	_treasureItems = 0;
+	_treasureGold = 0;
+	_treasureGems = 0;
+
+	_v2 = 0;
+	_nEdamageType = 0;
+	_animCounter = 0;
+	_eventSkipped = false;
 }
 
 void Scripts::checkEvents() {
+	Combat &combat = *_vm->_combat;
+	Interface &intf = *_vm->_interface;
+	Map &map = *_vm->_map;
+	Party &party = *_vm->_party;
+
+	int var18 = 0;
+	_itemType = 0;
+	int var4F = 0;
+	bool var50 = false;
+	_whoWill = 0;
+	Mode oldMode = _vm->_mode;
+	Common::fill(&_charFX[0], &_charFX[MAX_ACTIVE_PARTY], 0);
+	int items = _treasureItems;
+	
+	if (_treasureGold & _treasureItems) {
+		// TODO
+	} else {
+		// TODO
+	}
+
+	do {
+		int var4 = 0;
+		int varA = 0;
+		_animCounter = 0;
+		int var4E = 0;
+		const Common::Point pt = party._mazePosition;
+		int varC = 1;
+		_v2 = 1;
+		_nEdamageType = 0;
+		int var40 = -1;
+
+		// Break out of the events if there's an attacking monster
+		if (combat._attackMonsters[0] != -1) {
+			_eventSkipped = true;
+			break;
+		}
+
+		_eventSkipped = false;
+
+		for (uint eventIndex = 0; eventIndex < map._events.size(); ++eventIndex) {
+			MazeEvent &event = map._events[eventIndex];
+
+			if (event._position == pt && party._mazeDirection != (pt.x | pt.y)) {
+				if (event._direction == party._mazeDirection || event._direction == DIR_ALL) {
+					_vm->_mode = MODE_9;
+					intf._interfaceText = event._parameters.size() == 0 ? "" :
+						map._events._text[event._parameters[0]];
+					doOpcode(event._opcode, event._parameters);
+
+				} else {
+					var50 = true;
+				}
+			}
+		}
+	} while (0);
+
 	// TODO
 }
 
@@ -79,4 +147,97 @@ void Scripts::openGrate(int v1, int v2) {
 	// TODO
 }
 
+typedef void(Scripts::*ScriptMethodPtr)(Common::Array<byte> &);
+
+void Scripts::doOpcode(Opcode opcode, Common::Array<byte> &params) {
+	static const ScriptMethodPtr COMMAND_LIST[] = {
+		&Scripts::cmdNone, &Scripts::cmdDisplay0x01, &Scripts::cmdDoorTextSml,
+		&Scripts::cmdDoorTextLrg, &Scripts::cmdSignText,
+		&Scripts::cmdNPC, &Scripts::cmdPlayFX, &Scripts::cmdTeleportAndExit,
+		&Scripts::cmdIf1, &Scripts::cmdIf2, &Scripts::cmdIf3,
+		&Scripts::cmdMoveObj, &Scripts::cmdTakeOrGive, &Scripts::cmdNoAction,
+		&Scripts::cmdRemove, &Scripts::cmdSetChar, &Scripts::cmdSpawn,
+		&Scripts::cmdDoTownEvent, &Scripts::cmdExit, &Scripts::cmdAfterMap,
+		&Scripts::cmdGiveExtended, &Scripts::cmdConfirmWord, &Scripts::cmdDamage,
+		&Scripts::cmdJumpRnd, &Scripts::cmdAfterEvent, &Scripts::cmdCallEvent,
+		&Scripts::cmdReturn, &Scripts::cmdSetVar, &Scripts::cmdTakeOrGive2,
+		&Scripts::cmdTakeOrGive3, &Scripts::cmdCutsceneEndClouds,
+		&Scripts::cmdTeleportAndContinue, &Scripts::cmdWhoWill,
+		&Scripts::cmdRndDamage, &Scripts::cmdMoveWallObj, &Scripts::cmdAlterCellFlag,
+		&Scripts::cmdAlterHed, &Scripts::cmdDisplayStat, &Scripts::cmdTakeOrGive4,
+		&Scripts::cmdSeatTextSml, &Scripts::cmdPlayEventVoc, &Scripts::cmdDisplayBottom,
+		&Scripts::cmdIfMapFlag, &Scripts::cmdSelRndChar, &Scripts::cmdGiveEnchanted,
+		&Scripts::cmdItemType, &Scripts::cmdMakeNothingHere, &Scripts::cmdNoAction2,
+		&Scripts::cmdChooseNumeric, &Scripts::cmdDisplayBottomTwoLines,
+		&Scripts::cmdDisplayLarge, &Scripts::cmdExchObj, &Scripts::cmdFallToMap,
+		&Scripts::cmdDisplayMain, &Scripts::cmdGoto, &Scripts::cmdConfirmWord2,
+		&Scripts::cmdGotoRandom, &Scripts::cmdCutsceneEndDarkside,
+		&Scripts::cmdCutsceneEdWorld, &Scripts::cmdFlipWorld, &Scripts::cmdPlayCD
+	};
+
+	(this->*COMMAND_LIST[opcode])(params);
+}
+
+void Scripts::cmdNone(Common::Array<byte> &params) {}
+void Scripts::cmdDisplay0x01(Common::Array<byte> &params) {}
+void Scripts::cmdDoorTextSml(Common::Array<byte> &params) {}
+void Scripts::cmdDoorTextLrg(Common::Array<byte> &params) {}
+void Scripts::cmdSignText(Common::Array<byte> &params) {}
+void Scripts::cmdNPC(Common::Array<byte> &params) {}
+void Scripts::cmdPlayFX(Common::Array<byte> &params) {}
+void Scripts::cmdTeleportAndExit(Common::Array<byte> &params) {}
+void Scripts::cmdIf1(Common::Array<byte> &params) {}
+void Scripts::cmdIf2(Common::Array<byte> &params) {}
+void Scripts::cmdIf3(Common::Array<byte> &params) {}
+void Scripts::cmdMoveObj(Common::Array<byte> &params) {}
+void Scripts::cmdTakeOrGive(Common::Array<byte> &params) {}
+void Scripts::cmdNoAction(Common::Array<byte> &params) {}
+void Scripts::cmdRemove(Common::Array<byte> &params) {}
+void Scripts::cmdSetChar(Common::Array<byte> &params) {}
+void Scripts::cmdSpawn(Common::Array<byte> &params) {}
+void Scripts::cmdDoTownEvent(Common::Array<byte> &params) {}
+void Scripts::cmdExit(Common::Array<byte> &params) {}
+void Scripts::cmdAfterMap(Common::Array<byte> &params) {}
+void Scripts::cmdGiveExtended(Common::Array<byte> &params) {}
+void Scripts::cmdConfirmWord(Common::Array<byte> &params) {}
+void Scripts::cmdDamage(Common::Array<byte> &params) {}
+void Scripts::cmdJumpRnd(Common::Array<byte> &params) {}
+void Scripts::cmdAfterEvent(Common::Array<byte> &params) {}
+void Scripts::cmdCallEvent(Common::Array<byte> &params) {}
+void Scripts::cmdReturn(Common::Array<byte> &params) {}
+void Scripts::cmdSetVar(Common::Array<byte> &params) {}
+void Scripts::cmdTakeOrGive2(Common::Array<byte> &params) {}
+void Scripts::cmdTakeOrGive3(Common::Array<byte> &params) {}
+void Scripts::cmdCutsceneEndClouds(Common::Array<byte> &params) {}
+void Scripts::cmdTeleportAndContinue(Common::Array<byte> &params) {}
+void Scripts::cmdWhoWill(Common::Array<byte> &params) {}
+void Scripts::cmdRndDamage(Common::Array<byte> &params) {}
+void Scripts::cmdMoveWallObj(Common::Array<byte> &params) {}
+void Scripts::cmdAlterCellFlag(Common::Array<byte> &params) {}
+void Scripts::cmdAlterHed(Common::Array<byte> &params) {}
+void Scripts::cmdDisplayStat(Common::Array<byte> &params) {}
+void Scripts::cmdTakeOrGive4(Common::Array<byte> &params) {}
+void Scripts::cmdSeatTextSml(Common::Array<byte> &params) {}
+void Scripts::cmdPlayEventVoc(Common::Array<byte> &params) {}
+void Scripts::cmdDisplayBottom(Common::Array<byte> &params) {}
+void Scripts::cmdIfMapFlag(Common::Array<byte> &params) {}
+void Scripts::cmdSelRndChar(Common::Array<byte> &params) {}
+void Scripts::cmdGiveEnchanted(Common::Array<byte> &params) {}
+void Scripts::cmdItemType(Common::Array<byte> &params) {}
+void Scripts::cmdMakeNothingHere(Common::Array<byte> &params) {}
+void Scripts::cmdNoAction2(Common::Array<byte> &params) {}
+void Scripts::cmdChooseNumeric(Common::Array<byte> &params) {}
+void Scripts::cmdDisplayBottomTwoLines(Common::Array<byte> &params) {}
+void Scripts::cmdDisplayLarge(Common::Array<byte> &params) {}
+void Scripts::cmdExchObj(Common::Array<byte> &params) {}
+void Scripts::cmdFallToMap(Common::Array<byte> &params) {}
+void Scripts::cmdDisplayMain(Common::Array<byte> &params) {}
+void Scripts::cmdGoto(Common::Array<byte> &params) {}
+void Scripts::cmdConfirmWord2(Common::Array<byte> &params) {}
+void Scripts::cmdGotoRandom(Common::Array<byte> &params) {}
+void Scripts::cmdCutsceneEndDarkside(Common::Array<byte> &params) {}
+void Scripts::cmdCutsceneEdWorld(Common::Array<byte> &params) {}
+void Scripts::cmdFlipWorld(Common::Array<byte> &params) {}
+void Scripts::cmdPlayCD(Common::Array<byte> &params) {}
+
 } // End of namespace Xeen
diff --git a/engines/xeen/scripts.h b/engines/xeen/scripts.h
index 9974892221..2fbcf78b38 100644
--- a/engines/xeen/scripts.h
+++ b/engines/xeen/scripts.h
@@ -26,6 +26,7 @@
 #include "common/scummsys.h"
 #include "common/system.h"
 #include "common/serializer.h"
+#include "common/str-array.h"
 #include "xeen/files.h"
 
 namespace Xeen {
@@ -111,7 +112,7 @@ public:
 
 class MazeEvents : public Common::Array<MazeEvent> {
 public:
-	Common::Array<byte> _text;
+	Common::StringArray _text;
 public:
 	void synchronize(XeenSerializer &s);
 };
@@ -119,6 +120,81 @@ public:
 class Scripts {
 private:
 	XeenEngine *_vm;
+	int _charFX[6];
+	int _whoWill;
+	int _itemType;
+	int _treasureItems;
+	int _treasureGold;
+	int _treasureGems;
+
+	int _v2;
+	int _nEdamageType;
+
+	void doOpcode(Opcode opcode, Common::Array<byte> &params);
+	void cmdNone(Common::Array<byte> &params);
+	void cmdDisplay0x01(Common::Array<byte> &params);
+	void cmdDoorTextSml(Common::Array<byte> &params);
+	void cmdDoorTextLrg(Common::Array<byte> &params);
+	void cmdSignText(Common::Array<byte> &params);
+	void cmdNPC(Common::Array<byte> &params);
+	void cmdPlayFX(Common::Array<byte> &params);
+	void cmdTeleportAndExit(Common::Array<byte> &params);
+	void cmdIf1(Common::Array<byte> &params);
+	void cmdIf2(Common::Array<byte> &params);
+	void cmdIf3(Common::Array<byte> &params);
+	void cmdMoveObj(Common::Array<byte> &params);
+	void cmdTakeOrGive(Common::Array<byte> &params);
+	void cmdNoAction(Common::Array<byte> &params);
+	void cmdRemove(Common::Array<byte> &params);
+	void cmdSetChar(Common::Array<byte> &params);
+	void cmdSpawn(Common::Array<byte> &params);
+	void cmdDoTownEvent(Common::Array<byte> &params);
+	void cmdExit(Common::Array<byte> &params);
+	void cmdAfterMap(Common::Array<byte> &params);
+	void cmdGiveExtended(Common::Array<byte> &params);
+	void cmdConfirmWord(Common::Array<byte> &params);
+	void cmdDamage(Common::Array<byte> &params);
+	void cmdJumpRnd(Common::Array<byte> &params);
+	void cmdAfterEvent(Common::Array<byte> &params);
+	void cmdCallEvent(Common::Array<byte> &params);
+	void cmdReturn(Common::Array<byte> &params);
+	void cmdSetVar(Common::Array<byte> &params);
+	void cmdTakeOrGive2(Common::Array<byte> &params);
+	void cmdTakeOrGive3(Common::Array<byte> &params);
+	void cmdCutsceneEndClouds(Common::Array<byte> &params);
+	void cmdTeleportAndContinue(Common::Array<byte> &params);
+	void cmdWhoWill(Common::Array<byte> &params);
+	void cmdRndDamage(Common::Array<byte> &params);
+	void cmdMoveWallObj(Common::Array<byte> &params);
+	void cmdAlterCellFlag(Common::Array<byte> &params);
+	void cmdAlterHed(Common::Array<byte> &params);
+	void cmdDisplayStat(Common::Array<byte> &params);
+	void cmdTakeOrGive4(Common::Array<byte> &params);
+	void cmdSeatTextSml(Common::Array<byte> &params);
+	void cmdPlayEventVoc(Common::Array<byte> &params);
+	void cmdDisplayBottom(Common::Array<byte> &params);
+	void cmdIfMapFlag(Common::Array<byte> &params);
+	void cmdSelRndChar(Common::Array<byte> &params);
+	void cmdGiveEnchanted(Common::Array<byte> &params);
+	void cmdItemType(Common::Array<byte> &params);
+	void cmdMakeNothingHere(Common::Array<byte> &params);
+	void cmdNoAction2(Common::Array<byte> &params);
+	void cmdChooseNumeric(Common::Array<byte> &params);
+	void cmdDisplayBottomTwoLines(Common::Array<byte> &params);
+	void cmdDisplayLarge(Common::Array<byte> &params);
+	void cmdExchObj(Common::Array<byte> &params);
+	void cmdFallToMap(Common::Array<byte> &params);
+	void cmdDisplayMain(Common::Array<byte> &params);
+	void cmdGoto(Common::Array<byte> &params);
+	void cmdConfirmWord2(Common::Array<byte> &params);
+	void cmdGotoRandom(Common::Array<byte> &params);
+	void cmdCutsceneEndDarkside(Common::Array<byte> &params);
+	void cmdCutsceneEdWorld(Common::Array<byte> &params);
+	void cmdFlipWorld(Common::Array<byte> &params);
+	void cmdPlayCD(Common::Array<byte> &params);
+public:
+	int _animCounter;
+	bool _eventSkipped;
 public:
 	Scripts(XeenEngine *vm);