[Scummvm-cvs-logs] SF.net SVN: scummvm: [26763] scummvm/trunk/engines/agi

thebluegr at users.sourceforge.net thebluegr at users.sourceforge.net
Sun May 6 12:35:48 CEST 2007


Revision: 26763
          http://scummvm.svn.sourceforge.net/scummvm/?rev=26763&view=rev
Author:   thebluegr
Date:     2007-05-06 03:35:47 -0700 (Sun, 06 May 2007)

Log Message:
-----------
Removed several goto statements

Modified Paths:
--------------
    scummvm/trunk/engines/agi/checks.cpp
    scummvm/trunk/engines/agi/inv.cpp
    scummvm/trunk/engines/agi/op_test.cpp

Modified: scummvm/trunk/engines/agi/checks.cpp
===================================================================
--- scummvm/trunk/engines/agi/checks.cpp	2007-05-06 10:31:17 UTC (rev 26762)
+++ scummvm/trunk/engines/agi/checks.cpp	2007-05-06 10:35:47 UTC (rev 26763)
@@ -74,21 +74,21 @@
 			continue;
 
 		/* Same y, return error! */
-		if (v->yPos == u->yPos)
-			goto return_1;
+		if (v->yPos == u->yPos) {
+			debugC(4, kDebugLevelSprites, "check returns 1 (object %d)", v->entry);
+			return 1;
+		}
 
 		/* Crossed the baseline, return error! */
 		if ((v->yPos > u->yPos && v->yPos2 < u->yPos2) ||
 				(v->yPos < u->yPos && v->yPos2 > u->yPos2)) {
-			goto return_1;
+			debugC(4, kDebugLevelSprites, "check returns 1 (object %d)", v->entry);
+			return 1;
 		}
 	}
 
 	return 0;
 
- return_1:
-	debugC(4, kDebugLevelSprites, "check returns 1 (object %d)", v->entry);
-	return 1;
 }
 
 int AgiEngine::checkPriority(VtEntry *v) {
@@ -104,9 +104,16 @@
 	water = 0;
 	pass = 1;
 
-	if (v->priority == 0x0f)
-		goto check_ego;
+	if (v->priority == 0x0f) {
+		// Check ego
+		if (v->entry == 0) {
+			setflag(fEgoTouchedP2, trigger ? true : false);
+			setflag(fEgoWater, water ? true : false);
+		}
 
+		return pass;
+	}		
+
 	water = 1;
 
 	p0 = &_game.sbuf[v->xPos + v->yPos * _WIDTH];
@@ -147,7 +154,7 @@
 			pass = 0;
 	}
 
-check_ego:
+	// Check ego
 	if (v->entry == 0) {
 		setflag(fEgoTouchedP2, trigger ? true : false);
 		setflag(fEgoWater, water ? true : false);

Modified: scummvm/trunk/engines/agi/inv.cpp
===================================================================
--- scummvm/trunk/engines/agi/inv.cpp	2007-05-06 10:31:17 UTC (rev 26762)
+++ scummvm/trunk/engines/agi/inv.cpp	2007-05-06 10:35:47 UTC (rev 26763)
@@ -91,18 +91,21 @@
 
 void AgiEngine::selectItems(int n) {
 	int fsel = 0;
+	bool exit_select = false;
 
-	for (;;) {
+	while (!exit_select) {
 		if (n > 0)
 			printItem(fsel, STATUS_BG, STATUS_FG);
 
 		switch (waitAnyKey()) {
 		case KEY_ENTER:
 			setvar(vSelItem, _intobj[fsel]);
-			goto exit_select;
+			exit_select = true;
+			break;
 		case KEY_ESCAPE:
 			setvar(vSelItem, 0xff);
-			goto exit_select;
+			exit_select = true;
+			break;
 		case KEY_UP:
 			if (fsel >= 2)
 				fsel -= 2;
@@ -127,19 +130,20 @@
 					showItems();
 					printItem(fsel, STATUS_BG, STATUS_FG);
 					_gfx->doUpdate();
-					goto exit_select;
+					exit_select = true;
 				}
 				break;
 			}
 		default:
 			break;
 		}
-
-		showItems();
-		_gfx->doUpdate();
+		
+		if (!exit_select) {
+			showItems();
+			_gfx->doUpdate();
+		}
 	}
 
-exit_select:
 	debugC(6, kDebugLevelInventory, "selected: %d", fsel);
 }
 

Modified: scummvm/trunk/engines/agi/op_test.cpp
===================================================================
--- scummvm/trunk/engines/agi/op_test.cpp	2007-05-06 10:31:17 UTC (rev 26762)
+++ scummvm/trunk/engines/agi/op_test.cpp	2007-05-06 10:35:47 UTC (rev 26763)
@@ -229,8 +229,9 @@
 	uint8 orTest = false;
 	uint16 lastIp = ip;
 	uint8 p[16] = { 0 };
+	bool end_test = false;
 
-	while (retval && !game.quitProgNow) {
+	while (retval && !game.quitProgNow && !end_test) {
 		if (_debug.enabled && (_debug.logic0 || lognum))
 			debugConsole(lognum, lTEST_MODE, NULL);
 
@@ -240,7 +241,8 @@
 
 		switch (op) {
 		case 0xFF:	/* END IF, TEST true */
-			goto end_test;
+			end_test = true;
+			break;
 		case 0xFD:
 			notTest = !notTest;
 			continue;
@@ -251,7 +253,7 @@
 			if (orTest) {
 				ec = false;
 				retval = false;
-				goto end_test;
+				end_test = true;
 			}
 
 			orTest = true;
@@ -259,7 +261,8 @@
 
 		case 0x00:
 			/* return true? */
-			goto end_test;
+			end_test = true;
+			break;
 		case 0x01:
 			ec = testEqual(p[0], p[1]);
 			if (p[0] == 11)
@@ -333,62 +336,63 @@
 			break;
 		default:
 			ec = false;
-			goto end_test;
+			end_test = true;
 		}
 
-		if (op <= 0x12)
-			ip += logicNamesTest[op].numArgs;
+		if (!end_test) {
+			if (op <= 0x12)
+				ip += logicNamesTest[op].numArgs;
 
-		/* exchange ec value */
-		if (notTest)
-			ec = !ec;
+			/* exchange ec value */
+			if (notTest)
+				ec = !ec;
 
-		/* not is only enabled for 1 test command */
-		notTest = false;
+			/* not is only enabled for 1 test command */
+			notTest = false;
 
-		if (orTest && ec) {
-			/* a true inside an OR statement passes
-			 * ENTIRE statement scan for end of OR
-			 */
+			if (orTest && ec) {
+				/* a true inside an OR statement passes
+				 * ENTIRE statement scan for end of OR
+				 */
 
-			/* CM: test for opcode < 0xfc changed from 'op' to
-			 *     '*(code+ip)', to avoid problem with the 0xfd (NOT)
-			 *     opcode byte. Changed a bad ip += ... ip++ construct.
-			 *     This should fix the crash with Larry's logic.0 code:
-			 *
-			 *     if ((isset(4) ||
-			 *          !isset(2) ||
-			 *          v30 == 2 ||
-			 *          v30 == 1)) {
-			 *       goto Label1;
-			 *     }
-			 *
-			 *     The bytecode is: 
-			 *     ff fc 07 04 fd 07 02 01 1e 02 01 1e 01 fc ff
-			 */
+				/* CM: test for opcode < 0xfc changed from 'op' to
+				 *     '*(code+ip)', to avoid problem with the 0xfd (NOT)
+				 *     opcode byte. Changed a bad ip += ... ip++ construct.
+				 *     This should fix the crash with Larry's logic.0 code:
+				 *
+				 *     if ((isset(4) ||
+				 *          !isset(2) ||
+				 *          v30 == 2 ||
+				 *          v30 == 1)) {
+				 *       goto Label1;
+				 *     }
+				 *
+				 *     The bytecode is: 
+				 *     ff fc 07 04 fd 07 02 01 1e 02 01 1e 01 fc ff
+				 */
 
-			/* find end of OR */
-			while (*(code + ip) != 0xFC) {
-				if (*(code + ip) == 0x0E) {	/* said */
+				/* find end of OR */
+				while (*(code + ip) != 0xFC) {
+					if (*(code + ip) == 0x0E) {	/* said */
+						ip++;
+						/* cover count + ^words */
+						ip += 1 + ((*(code + ip)) * 2);
+						continue;
+					}
+
+					if (*(code + ip) < 0xFC)
+						ip += logicNamesTest[*(code + ip)].numArgs;
 					ip++;
-					/* cover count + ^words */
-					ip += 1 + ((*(code + ip)) * 2);
-					continue;
 				}
+				ip++;
 
-				if (*(code + ip) < 0xFC)
-					ip += logicNamesTest[*(code + ip)].numArgs;
-				ip++;
+				orTest = false;
+				retval = true;
+			} else {
+				retval = orTest ? retval || ec : retval && ec;
 			}
-			ip++;
-
-			orTest = false;
-			retval = true;
-		} else {
-			retval = orTest ? retval || ec : retval && ec;
 		}
 	}
-      end_test:
 
 	/* if false, scan for end of IP? */
 	if (retval)


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