From 6588b17469da1b6eb7ac1499f1ddfe20445a087c Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Mon, 23 Feb 2004 00:59:34 +0000
Subject: Added missing HE opcode (0xEB tellFile)

svn-id: r12999
---
 scumm/intern.h        |  6 +++--
 scumm/script_v6he.cpp | 62 +++++++++++++++++++++++++++++++++++++++------------
 2 files changed, 52 insertions(+), 16 deletions(-)

(limited to 'scumm')

diff --git a/scumm/intern.h b/scumm/intern.h
index 504d35bd9c..926053bd98 100644
--- a/scumm/intern.h
+++ b/scumm/intern.h
@@ -591,8 +591,10 @@ protected:
 	void o6_redimArray();
 	void o6_readINI();
 	void o6_unknownF9();
-	void o6_kernelSetFunctions1(byte *addr);
-	int o6_kernelGetFunctions1(byte *addr, int arg1, int arg2, int arg3, int agr4);
+	void o6_tellFile();
+	void kernelSetFunctions1(byte *addr);
+	int kernelGetFunctions1(byte *addr, int arg1, int arg2, int arg3, int agr4);
+	void seekWrapper(int slot, int offset, int mode);
 };
 
 class ScummEngine_v7 : public ScummEngine_v6 {
diff --git a/scumm/script_v6he.cpp b/scumm/script_v6he.cpp
index f8a7d9bd1e..8f11ea478a 100644
--- a/scumm/script_v6he.cpp
+++ b/scumm/script_v6he.cpp
@@ -340,7 +340,7 @@ void ScummEngine_v6he::setupOpcodes() {
 		OPCODE(o6_invalid),
 		OPCODE(o6_seekFile),
 		OPCODE(o6_redimArray),
-		OPCODE(o6_invalid),
+		OPCODE(o6_tellFile),
 		/* EC */
 		OPCODE(o6_invalid),
 		OPCODE(o6_invalid),
@@ -883,7 +883,7 @@ void ScummEngine_v6he::o6_kernelSetFunctions() {
 		// Fatty Bear's Birthday Surprise
 		debug(0, "stub ScummEngine_v6he::o6_kernelSetFunctions(%d, %d, %d, %d, %d, %d)",
 			  args[0], args[1], args[2], args[3], args[4], args[5]);
-		//o6_kernelSetFunctions1(getResourceAddress(rtScreen, args[1]) + 6);
+		//kernelSetFunctions1(getResourceAddress(rtScreen, args[1]) + 6);
 		//if (args[5] >= args[3]) {
 		//}
 		break;
@@ -893,7 +893,7 @@ void ScummEngine_v6he::o6_kernelSetFunctions() {
 	}
 }
 
-void ScummEngine_v6he::o6_kernelSetFunctions1(byte *addr) {
+void ScummEngine_v6he::kernelSetFunctions1(byte *addr) {
 	// TODO
 }
 
@@ -911,10 +911,10 @@ void ScummEngine_v6he::o6_kernelGetFunctions() {
 		debug(0, "stub ScummEngine_v6he::o6_kernelGetFunctions(%d, %d, %d, %d, %d)",
 			  args[0], args[1], args[2], args[3], args[4]);
 		writeVar(0, 0);
-		defineArray(0, 3, 0, o6_kernelGetFunctions1(0, args[1], args[2], args[3], args[4]));
+		defineArray(0, 3, 0, kernelGetFunctions1(0, args[1], args[2], args[3], args[4]));
 		retval = readVar(0);
 		addr = getResourceAddress(rtString, retval);
-		o6_kernelGetFunctions1(addr + 6, args[1], args[2], args[3], args[4]);
+		kernelGetFunctions1(addr + 6, args[1], args[2], args[3], args[4]);
 		push(retval);
 		break;
 	default:
@@ -922,7 +922,7 @@ void ScummEngine_v6he::o6_kernelGetFunctions() {
 	}
 }
 
-int ScummEngine_v6he::o6_kernelGetFunctions1(byte *addr, int arg1, int arg2, int arg3, int agr4) {
+int ScummEngine_v6he::kernelGetFunctions1(byte *addr, int arg1, int arg2, int arg3, int agr4) {
 	// TODO
 	return 0;
 }
@@ -1132,23 +1132,57 @@ void ScummEngine_v6he::o6_unknownFA() {
 }
 
 void ScummEngine_v6he::o6_seekFile() {
-	int a, b, c;
-	a = pop();
-	b = pop();
-	c = pop();
+	int mode, offset, slot;
+	mode = pop();
+	offset = pop();
+	slot = pop();
 
-	switch (a) {
+	warning("stub o6_seekFile(%d, %d, %d)", slot, offset, mode);
+
+	switch (mode) {
 	case 1:
-		//seekWrapper(c, b, 0, 0);
+		seekWrapper(slot, offset, 0);
 		break;
 	case 2:
-		//seekWrapper(c, b, ?, 1);
+		seekWrapper(slot, offset, 1);
+		break;
+	case 3:
+		seekWrapper(slot, offset, 2);
 		break;
 	default:
 		break;
 	}
+}
 
-	warning("stub o6_seekFile(%d, %d, %d)", a, b, c);
+void ScummEngine_v6he::seekWrapper(int slot, int offset, int mode) {
+	if (slot == 1)
+		return;
+
+	switch (mode) {
+	case 0:
+		// _hFileTable[slot].seek(offset, SEEK_SET);
+		break;
+	case 1:
+		// _hFileTable[slot].seek(offset, SEEK_CUR);
+		break;
+	case 2:
+		// _hFileTable[slot].seek(offset, SEEK_END);
+		break;
+	}
+}
+
+void ScummEngine_v6he::o6_tellFile() {
+	int slot = pop();
+
+	warning("stub o6_tellFile(%d)", slot);
+
+	if (slot == -1) {
+		push(0);
+		return;
+	}
+
+	// push(_hFileTable[slot].tell());
+	push(0);
 }
 
 void ScummEngine_v6he::o6_redimArray() {
-- 
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