From 1080dac5ac0a52782bbdb25928a3485651a111b9 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Wed, 10 Sep 2003 15:02:58 +0000
Subject: instead of abusing the 'recursive' attribute to flag V2 background
 scripts, use the freezeResistant attribute. This is a bit more consistent.
 Also, verb 254 should stop *any* sentence script, not just background ones;
 some cleanup

svn-id: r10159
---
 scumm/intern.h      |  3 +-
 scumm/script_v2.cpp | 92 ++++++++++++++++++-----------------------------------
 2 files changed, 32 insertions(+), 63 deletions(-)

(limited to 'scumm')

diff --git a/scumm/intern.h b/scumm/intern.h
index 2d902399a1..ca2d50e38f 100644
--- a/scumm/intern.h
+++ b/scumm/intern.h
@@ -220,8 +220,7 @@ protected:
 	void resetSentence();
 	void setUserState(byte state);
 
-	void runObjectScript(int object, int entry, bool freezeResistant, bool recursive, int *vars);
-	void stopObjectScript(int script, bool recursive);
+	void stopObjectScript(int script, bool background);
 
 	/* Version 2 script opcodes */
 	void o2_actorFromPos();
diff --git a/scumm/script_v2.cpp b/scumm/script_v2.cpp
index 3a56085e83..ea8546b8a7 100644
--- a/scumm/script_v2.cpp
+++ b/scumm/script_v2.cpp
@@ -906,27 +906,34 @@ void Scumm_v2::o2_doSentence() {
 	st->preposition = (st->objectB != 0);
 	st->freezeCount = 0;
 	
-	// TODO
-	switch(fetchScriptByte()) {
+	// Execute or print the sentence
+	_opcode = fetchScriptByte();
+	switch(_opcode) {
+	case 0:
+		// Do nothing (besides setting up the sentence above)
+		break;
 	case 1:
 		// Execute the sentence
 		_sentenceNum--;
 		
 		if (st->verb == 254) {
-			stopObjectScript(st->objectA, true);
+			Scumm::stopObjectScript(st->objectA);
 		} else if (st->verb != 253 && st->verb != 250) {
 			VAR(VAR_ACTIVE_VERB) = st->verb;
 			VAR(VAR_ACTIVE_OBJECT1) = st->objectA;	
 			VAR(VAR_ACTIVE_OBJECT2) = st->objectB;
 
+			stopObjectScript(st->objectA, false);
 			runObjectScript(st->objectA, st->verb, false, false, NULL);
-		} else
-			runObjectScript(st->objectA, 253, (st->verb == 250), true, NULL);
+		} else {
+			bool isBackgroundScript = (st->verb == 250);
+			stopObjectScript(st->objectA, isBackgroundScript);
+			runObjectScript(st->objectA, 253, isBackgroundScript, false, NULL);
+		}
 		break;
 	case 2:
 		// Print the sentence
 		_sentenceNum--;
-		//warning("TODO o2_doSentence(%d, %d, %d): print", st->verb, st->objectA, st->objectB);
 		
 		VAR(VAR_SENTENCE_VERB) = st->verb;
 		VAR(VAR_SENTENCE_OBJECT1) = st->objectA;
@@ -934,6 +941,8 @@ void Scumm_v2::o2_doSentence() {
 
 		o2_drawSentence();
 		break;
+	default:
+		error("o2_doSentence: unknown subopcode %d", _opcode);
 	}
 }
 
@@ -1548,47 +1557,8 @@ enum {
 	ssRunning = 2
 };
 
-void Scumm_v2::runObjectScript(int object, int entry, bool freezeResistant, bool recursive, int *vars) {
-	ScriptSlot *s;
-	uint32 obcd;
-	int slot, where, offs;
-
-	if (!object)
-		return;
-
-	stopObjectScript(object, recursive);
-
-	where = whereIsObject(object);
-
-	if (where == WIO_NOT_FOUND) {
-		warning("Code for object %d not in room %d", object, _roomResource);
-		return;
-	}
-
-	obcd = getOBCDOffs(object);
-	slot = getScriptSlot();
-
-	offs = getVerbEntrypoint(object, entry);
-	if (offs == 0)
-		return;
-
-	s = &vm.slot[slot];
-	s->number = object;
-	s->offs = obcd + offs;
-	s->status = ssRunning;
-	s->where = where;
-	s->freezeResistant = freezeResistant;
-	s->recursive = recursive;
-	s->freezeCount = 0;
-	s->delayFrameCount = 0;
-
-	initializeLocals(slot, vars);
-
-	runScriptNested(slot);
-}
-
 /* Stop an object script 'script'*/
-void Scumm_v2::stopObjectScript(int script, bool recursive) {
+void Scumm_v2::stopObjectScript(int script, bool background) {
 	ScriptSlot *ss;
 	NestedScript *nest;
 	int i, num;
@@ -1596,12 +1566,26 @@ void Scumm_v2::stopObjectScript(int script, bool recursive) {
 	if (script == 0)
 		return;
 
+	ss = vm.slot;
+	for (i = 0; i < NUM_SCRIPT_SLOT; i++, ss++) {
+		if (script == ss->number && ss->status != ssDead &&
+		    ss->freezeResistant == background &&
+		    (ss->where == WIO_ROOM || ss->where == WIO_INVENTORY || ss->where == WIO_FLOBJECT)) {
+			if (ss->cutsceneOverride)
+				error("Object %d stopped with active cutscene/override", script);
+			ss->number = 0;
+			ss->status = ssDead;
+			if (_currentScript == i)
+				_currentScript = 0xFF;
+		}
+	}
+
 	nest = vm.nest;
 	num = _numNestedScripts;
 
 	while (num > 0) {
 		if (nest->number == script &&
-			vm.slot[nest->slot].recursive == recursive && 
+			vm.slot[nest->slot].freezeResistant == background && 
 		    (nest->where == WIO_ROOM || nest->where == WIO_INVENTORY || nest->where == WIO_FLOBJECT)) {
 			nest->number = 0xFF;
 			nest->slot = 0xFF;
@@ -1610,18 +1594,4 @@ void Scumm_v2::stopObjectScript(int script, bool recursive) {
 		nest++;
 		num--;
 	}
-
-	ss = vm.slot;
-	for (i = 0; i < NUM_SCRIPT_SLOT; i++, ss++) {
-		if (script == ss->number && ss->status != ssDead &&
-		    ss->recursive == recursive &&
-		    (ss->where == WIO_ROOM || ss->where == WIO_INVENTORY || ss->where == WIO_FLOBJECT)) {
-			if (ss->cutsceneOverride)
-				error("Object %d stopped with active cutscene/override", script);
-			ss->number = 0;
-			ss->status = ssDead;
-			if (_currentScript == i)
-				_currentScript = 0xFF;
-		}
-	}
 }
-- 
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