SCUMM: Fix Missing Default Switch Cases

These are flagged by GCC if -Wswitch-default is enabled.

39 files changed, 283 insertions, 31 deletions

diff --git a/engines/scumm/actor.cpp b/engines/scumm/actor.cpp
index 48035b5e89..7dcc1a693d 100644
--- a/engines/scumm/actor.cpp
+++ b/engines/scumm/actor.cpp
@@ -788,6 +788,8 @@ void Actor::startWalkAnim(int cmd, int angle) {
 			turnToDirection(angle);
 			startAnimActor(_standFrame);
 			break;
+		default:
+			break;
 		}
 	}
 }
@@ -1335,6 +1337,8 @@ int Actor::remapDirection(int dir, bool is_walking) {
 			return 0;
 		case 6:
 			return 180;
+		default:
+			break;
 		}
 
 		// MM v0 stores flags as a part of the mask
@@ -2398,6 +2402,8 @@ void Actor::startAnimActor(int f) {
 		case 1005:
 			f = _talkStopFrame;
 			break;
+		default:
+			break;
 		}
 
 		if (_costume != 0) {
@@ -2425,6 +2431,8 @@ void Actor::startAnimActor(int f) {
 		case 0x3C:
 			f = _talkStopFrame;
 			break;
+		default:
+			break;
 		}
 
 		assert(f != 0x3E);
diff --git a/engines/scumm/akos.cpp b/engines/scumm/akos.cpp
index 3d98a7b9b2..2c0dc3804b 100644
--- a/engines/scumm/akos.cpp
+++ b/engines/scumm/akos.cpp
@@ -1525,6 +1525,8 @@ bool ScummEngine_v6::akos_increaseAnim(Actor *a, int chan, const byte *aksq, con
 			if (curpos != end)
 				curpos += (code & 0x8000) ? 2 : 1;
 			break;
+		default:
+			break;
 		}
 
 		code = aksq[curpos];
diff --git a/engines/scumm/costume.cpp b/engines/scumm/costume.cpp
index f33d599f20..cd0d15e590 100644
--- a/engines/scumm/costume.cpp
+++ b/engines/scumm/costume.cpp
@@ -107,6 +107,9 @@ byte ClassicCostumeRenderer::mainRoutine(int xmoveCur, int ymoveCur) {
 			ex1 = READ_LE_UINT16(_loaded._frameOffsets + ex1 * 2);
 			_srcptr = _loaded._baseptr + READ_LE_UINT16(_loaded._baseptr + ex1 + ex2 * 2) + 14;
 		}
+		break;
+	default:
+		break;
 	}
 
 	use_scaling = (_scaleX != 0xFF) || (_scaleY != 0xFF);
diff --git a/engines/scumm/detection.cpp b/engines/scumm/detection.cpp
index 1576ee39f2..029b098048 100644
--- a/engines/scumm/detection.cpp
+++ b/engines/scumm/detection.cpp
@@ -467,6 +467,8 @@ static Common::Language detectLanguage(const Common::FSList &fslist, byte id) {
 				return Common::RU_RUS;
 			case 449787:	// 64f3fe479d45b52902cf88145c41d172
 				return Common::ES_ESP;
+			default:
+				break;
 			}
 		} else { // The DIG
 			switch (size) {
@@ -484,6 +486,8 @@ static Common::Language detectLanguage(const Common::FSList &fslist, byte id) {
 				return Common::JA_JPN;
 			case 180730:	// 424fdd60822722cdc75356d921dad9bf
 				return Common::ZH_TWN;
+			default:
+				break;
 			}
 		}
 	}
diff --git a/engines/scumm/file.cpp b/engines/scumm/file.cpp
index d4fc9bec3a..9e0dfeaff1 100644
--- a/engines/scumm/file.cpp
+++ b/engines/scumm/file.cpp
@@ -139,6 +139,7 @@ bool ScummFile::seek(int32 offs, int whence) {
 			offs = _subFileStart + _subFileLen + offs;
 			break;
 		case SEEK_SET:
+		default:
 			offs += _subFileStart;
 			break;
 		case SEEK_CUR:
diff --git a/engines/scumm/gfx.cpp b/engines/scumm/gfx.cpp
index 3fb93afcd5..5366691051 100644
--- a/engines/scumm/gfx.cpp
+++ b/engines/scumm/gfx.cpp
@@ -3644,6 +3644,9 @@ void Gdi::unkDecode9(byte *dst, int dstPitch, const byte *src, int height) const
 		case 2:
 			READ_N_BITS(4, run);
 			break;
+
+		default:
+			break;
 		}
 	}
 }
@@ -3705,6 +3708,9 @@ void Gdi::unkDecode11(byte *dst, int dstPitch, const byte *src, int height) cons
 				inc = 1;
 				READ_N_BITS(8, color);
 				break;
+
+			default:
+				break;
 			}
 		} while (--h);
 		dst -= _vertStripNextInc;
@@ -4145,6 +4151,8 @@ void ScummEngine::scrollEffect(int dir) {
 			x += step;
 		}
 		break;
+	default:
+		break;
 	}
 }
 
diff --git a/engines/scumm/he/logic/soccer.cpp b/engines/scumm/he/logic/soccer.cpp
index 567f74efc9..af9ee7ac35 100644
--- a/engines/scumm/he/logic/soccer.cpp
+++ b/engines/scumm/he/logic/soccer.cpp
@@ -601,31 +601,35 @@ int LogicHEsoccer::op_1014(int32 srcX, int32 srcY, int32 srcZ, int32 velX, int32
 		adjustedVelZ = (double)velZ * (double)vecNumerator / (double)vecDenom / 100.0;
 		break;
 	case 2:
-		// length of movement vector
-		double v15 = vectorLength((double)velX * (double)vecNumerator / (double)vecDenom, (double)velY * (double)vecNumerator / (double)vecDenom, (double)velZ * (double)vecNumerator / (double)vecDenom);
-
-		if (v15 != 0.0) {
-			// add the (scaled) movement vector to the input
-			double v26 = (double)ABS(velX) * (double)vecNumerator / (double)vecDenom * 50.0 / v15;
-			srcX = (int)((double)srcX + v26);
-			double v25 = (double)ABS(velY) * (double)vecNumerator / (double)vecDenom * 50.0 / v15;
-			srcY = (int)((double)srcY + v25);
-			double v24 = (double)ABS(velZ) * (double)vecNumerator / (double)vecDenom * 50.0 / v15;
-			srcZ = (int)((double)srcZ + v24);
-		}
+		{
+			// length of movement vector
+			double v15 = vectorLength((double)velX * (double)vecNumerator / (double)vecDenom, (double)velY * (double)vecNumerator / (double)vecDenom, (double)velZ * (double)vecNumerator / (double)vecDenom);
+
+			if (v15 != 0.0) {
+				// add the (scaled) movement vector to the input
+				double v26 = (double)ABS(velX) * (double)vecNumerator / (double)vecDenom * 50.0 / v15;
+				srcX = (int)((double)srcX + v26);
+				double v25 = (double)ABS(velY) * (double)vecNumerator / (double)vecDenom * 50.0 / v15;
+				srcY = (int)((double)srcY + v25);
+				double v24 = (double)ABS(velZ) * (double)vecNumerator / (double)vecDenom * 50.0 / v15;
+				srcZ = (int)((double)srcZ + v24);
+			}
 
-		// srcX = (newX / newZ) * 3869
-		startX = (double)srcX / (double)srcZ * 3869.0;
-		// srcY = (newY - (+524 * 100)) / (newZ * 3869 + (+524 * 100)
-		startY = ((double)srcY - _userDataD[524] * 100.0) / (double)srcZ * 3869.0 + _userDataD[524] * 100.0;
-		// srcZ = 3869
-		startZ = 3869.0;
-		// vectorX = (newX - srcX) / 100
-		adjustedVelX = ((double)srcX - startX) / 100.0;
-		// vectorY = (newY - srcY) / 100
-		adjustedVelY = ((double)srcY - startY) / 100.0;
-		// vectorZ = (newZ - 3869 = srcZ) / 100
-		adjustedVelZ = ((double)srcZ - 3869.0) / 100.0;
+			// srcX = (newX / newZ) * 3869
+			startX = (double)srcX / (double)srcZ * 3869.0;
+			// srcY = (newY - (+524 * 100)) / (newZ * 3869 + (+524 * 100)
+			startY = ((double)srcY - _userDataD[524] * 100.0) / (double)srcZ * 3869.0 + _userDataD[524] * 100.0;
+			// srcZ = 3869
+			startZ = 3869.0;
+			// vectorX = (newX - srcX) / 100
+			adjustedVelX = ((double)srcX - startX) / 100.0;
+			// vectorY = (newY - srcY) / 100
+			adjustedVelY = ((double)srcY - startY) / 100.0;
+			// vectorZ = (newZ - 3869 = srcZ) / 100
+			adjustedVelZ = ((double)srcZ - 3869.0) / 100.0;
+		}
+		break;
+	default:
 		break;
 	}
 
@@ -698,6 +702,8 @@ int LogicHEsoccer::op_1014(int32 srcX, int32 srcY, int32 srcZ, int32 velX, int32
 					for (int i = 0; i < 10; i++)
 						_internalCollisionOutData[i] = outData[i];
 					break;
+				default:
+					break;
 			}
 		}
 	}
@@ -1040,6 +1046,8 @@ void LogicHEsoccer::getPointsForFace(int faceId, float &x1, float &y1, float &z1
 		y4 = objPoints[19];
 		z4 = objPoints[20];
 		break;
+	default:
+		break;
 	}
 }
 
diff --git a/engines/scumm/he/moonbase/ai_main.cpp b/engines/scumm/he/moonbase/ai_main.cpp
index cc19cf501a..e56140bf10 100644
--- a/engines/scumm/he/moonbase/ai_main.cpp
+++ b/engines/scumm/he/moonbase/ai_main.cpp
@@ -2777,6 +2777,9 @@ int AI::getMaxCollectors(int pool) {
 
 	case 63:
 		return 2;
+
+	default:
+		break;
 	}
 
 	return 0;
diff --git a/engines/scumm/he/moonbase/ai_targetacquisition.cpp b/engines/scumm/he/moonbase/ai_targetacquisition.cpp
index 53acffa00f..d3446f31bc 100644
--- a/engines/scumm/he/moonbase/ai_targetacquisition.cpp
+++ b/engines/scumm/he/moonbase/ai_targetacquisition.cpp
@@ -271,6 +271,9 @@ float Sortie::calcH() {
 			case DUT_SHIELD:
 				retValue += 1;
 				break;
+
+			default:
+				break;
 			}
 		}
 	}
diff --git a/engines/scumm/he/script_v72he.cpp b/engines/scumm/he/script_v72he.cpp
index d86b0cebdf..f8cbe962f0 100644
--- a/engines/scumm/he/script_v72he.cpp
+++ b/engines/scumm/he/script_v72he.cpp
@@ -186,6 +186,9 @@ int ScummEngine_v72he::readArray(int array, int idx2, int idx1) {
 
 	case kDwordArray:
 		return (int32)READ_LE_UINT32(ah->data + offset * 4);
+
+	default:
+		break;
 	}
 
 	return 0;
@@ -225,6 +228,9 @@ void ScummEngine_v72he::writeArray(int array, int idx2, int idx1, int value) {
 	case kDwordArray:
 		WRITE_LE_UINT32(ah->data + offset * 4, value);
 		break;
+
+	default:
+		break;
 	}
 }
 
diff --git a/engines/scumm/he/wiz_he.cpp b/engines/scumm/he/wiz_he.cpp
index c2cefeaa3b..0d3a75c17f 100644
--- a/engines/scumm/he/wiz_he.cpp
+++ b/engines/scumm/he/wiz_he.cpp
@@ -445,6 +445,8 @@ static void decodeWizMask(uint8 *&dst, uint8 &mask, int w, int maskType) {
 			}
 		}
 		break;
+	default:
+		break;
 	}
 }
 
diff --git a/engines/scumm/help.cpp b/engines/scumm/help.cpp
index ce0d13b4fc..15f1977c8f 100644
--- a/engines/scumm/help.cpp
+++ b/engines/scumm/help.cpp
@@ -250,6 +250,8 @@ void ScummHelp::updateStrings(byte gameId, byte version, Common::Platform platfo
 			ADD_BIND("i", _("Inventory"));
 			ADD_BIND("u", _("Use"));
 			break;
+		default:
+			break;
 		}
 		break;
 	case 4:
@@ -320,6 +322,8 @@ void ScummHelp::updateStrings(byte gameId, byte version, Common::Platform platfo
 			ADD_TEXT(_("7, 4, and 1 are switched with"));
 			ADD_TEXT(_("9, 6, and 3, respectively."));
 			break;
+		default:
+			break;
 		}
 		break;
 	case 6:
@@ -336,8 +340,12 @@ void ScummHelp::updateStrings(byte gameId, byte version, Common::Platform platfo
 			ADD_BIND("6", _("Fly to right"));
 			ADD_BIND("3", _("Fly to lower right"));
 			break;
+		default:
+			break;
 		}
 		break;
+	default:
+		break;
 	}
 	while (i < HELP_NUM_LINES) {
 		ADD_LINE;
diff --git a/engines/scumm/imuse/imuse.cpp b/engines/scumm/imuse/imuse.cpp
index 1d52539ab5..af91a77c23 100644
--- a/engines/scumm/imuse/imuse.cpp
+++ b/engines/scumm/imuse/imuse.cpp
@@ -176,6 +176,9 @@ bool IMuseInternal::isMT32(int sound) {
 			return true;
 		else
 			return false;
+
+	default:
+		break;
 	}
 
 	// Old style 'RO' has equivalent properties to 'ROL'
@@ -214,6 +217,9 @@ bool IMuseInternal::isMIDI(int sound) {
 	case MKTAG('G', 'M', 'D', ' '):
 	case MKTAG('M', 'I', 'D', 'I'): // Occurs in Sam & Max
 		return true;
+
+	default:
+		break;
 	}
 
 	// Old style 'RO' has equivalent properties to 'ROL'
@@ -255,6 +261,9 @@ bool IMuseInternal::supportsPercussion(int sound) {
 	case MKTAG('G', 'M', 'D', ' '):
 	case MKTAG('M', 'I', 'D', 'I'): // Occurs in Sam & Max
 		return true;
+
+	default:
+		break;
 	}
 
 	// Old style 'RO' has equivalent properties to 'ROL'
@@ -502,6 +511,9 @@ uint32 IMuseInternal::property(int prop, uint32 value) {
 	case IMuse::PROP_PC_SPEAKER:
 		_pcSpeaker = (value != 0);
 		break;
+
+	default:
+		break;
 	}
 
 	return 0;
diff --git a/engines/scumm/imuse_digi/dimuse_music.cpp b/engines/scumm/imuse_digi/dimuse_music.cpp
index 46c457c864..281d06b150 100644
--- a/engines/scumm/imuse_digi/dimuse_music.cpp
+++ b/engines/scumm/imuse_digi/dimuse_music.cpp
@@ -174,6 +174,7 @@ void IMuseDigital::playDigMusic(const char *songName, const imuseDigTable *table
 	switch (table->transitionType) {
 	case 0:
 	case 5:
+	default:
 		break;
 	case 3:
 	case 4:
@@ -301,6 +302,7 @@ void IMuseDigital::playComiMusic(const char *songName, const imuseComiTable *tab
 
 	switch (table->transitionType) {
 	case 0:
+	default:
 		break;
 	case 8:
 		setHookIdForMusic(table->hookId);
@@ -432,6 +434,7 @@ void IMuseDigital::playFtMusic(const char *songName, int opcode, int volume) {
 	switch (opcode) {
 	case 0:
 	case 4:
+	default:
 		break;
 	case 1:
 	case 2:
diff --git a/engines/scumm/input.cpp b/engines/scumm/input.cpp
index ecc1a16d29..6c6d0096d1 100644
--- a/engines/scumm/input.cpp
+++ b/engines/scumm/input.cpp
@@ -426,6 +426,8 @@ void ScummEngine_v6::processKeyboard(Common::KeyState lastKeyHit) {
 			ConfMan.setBool("speech_mute", true);
 			ConfMan.setBool("subtitles", true);
 			break;
+		default:
+			break;
 		}
 
 		// We need to sync the current sound settings here to make sure that
diff --git a/engines/scumm/insane/insane_ben.cpp b/engines/scumm/insane/insane_ben.cpp
index 6697016983..8f3e0a7a42 100644
--- a/engines/scumm/insane/insane_ben.cpp
+++ b/engines/scumm/insane/insane_ben.cpp
@@ -1722,6 +1722,8 @@ void Insane::actor01Reaction(int32 buttons) {
 			_actor[0].tilt = 2;
 		}
 		break;
+	default:
+		break;
 	}
 
 	if (_actor[0].curFacingFlag != _actor[0].newFacingFlag) {
@@ -1885,6 +1887,9 @@ void Insane::chooseBenWeaponAnim(int buttons) {
 		case INV_DUST:
 			_actor[0].act[2].state = 0;
 			switchBenWeapon();
+			break;
+		default:
+			break;
 		}
 
 		_weaponBenJustSwitched = true;
@@ -2023,6 +2028,8 @@ void Insane::ouchSoundBen() {
 	case 3:
 		smlayer_startVoice(98);
 		break;
+	default:
+		break;
 	}
 }
 
diff --git a/engines/scumm/insane/insane_enemy.cpp b/engines/scumm/insane/insane_enemy.cpp
index 40dd453722..9b8ccd08a8 100644
--- a/engines/scumm/insane/insane_enemy.cpp
+++ b/engines/scumm/insane/insane_enemy.cpp
@@ -50,6 +50,7 @@ int32 Insane::enemyInitializer(int num, int32 actor1, int32 actor2, int32 probab
 	case EN_TORQUE:
 		return enemy8initializer(actor1, actor2, probability);
 	case -1:
+	default:
 		// nothing
 		break;
 	}
@@ -81,6 +82,7 @@ int32 Insane::enemyHandler(int num, int32 actor1, int32 actor2, int32 probabilit
 	case EN_BEN:
 		return enemyBenHandler(actor1, actor2, probability);
 	case -1:
+	default:
 		// nothing
 		break;
 	}
@@ -175,6 +177,8 @@ int32 Insane::enemy0handler(int32 actor1, int32 actor2, int32 probability) {
 						prepareScenePropScene(52, 0, 0);
 					}
 					break;
+				default:
+					break;
 				}
 			} else {
 				switch (_vm->_rnd.getRandomNumber(14)) {
@@ -340,6 +344,8 @@ int32 Insane::enemy1handler(int32 actor1, int32 actor2, int32 probability) {
 						prepareScenePropScene(37, 0, 0);
 					}
 					break;
+				default:
+					break;
 				}
 			} else {
 				switch (_vm->_rnd.getRandomNumber(14)) {
@@ -493,6 +499,8 @@ int32 Insane::enemy2handler(int32 actor1, int32 actor2, int32 probability) {
 						prepareScenePropScene(27, 0, 0);
 					}
 					break;
+				default:
+					break;
 				}
 			} else {
 				if (_actor[actor1].kicking) {
@@ -664,6 +672,8 @@ int32 Insane::enemy3handler(int32 actor1, int32 actor2, int32 probability) {
 						prepareScenePropScene(8, 0, 0);
 					}
 					break;
+				default:
+					break;
 				}
 				_enHdlVar[EN_VULTF1][7] = _enHdlVar[EN_VULTF1][8];
 			}
@@ -796,6 +806,8 @@ int32 Insane::enemy4handler(int32 actor1, int32 actor2, int32 probability) {
 						prepareScenePropScene(47, 0, 0);
 					}
 					break;
+				default:
+					break;
 				}
 			} else {
 				if (_actor[actor1].kicking) {
@@ -806,6 +818,8 @@ int32 Insane::enemy4handler(int32 actor1, int32 actor2, int32 probability) {
 					case 9: // Original is 10 here which never happens
 						prepareScenePropScene(45, 0, 0);
 						break;
+					default:
+						break;
 					}
 				} else {
 					if (weaponMaxRange(actor2) >= dist) {
@@ -822,6 +836,8 @@ int32 Insane::enemy4handler(int32 actor1, int32 actor2, int32 probability) {
 								prepareScenePropScene(43, 0, 0);
 							}
 							break;
+						default:
+							break;
 						}
 					} else {
 						switch (_vm->_rnd.getRandomNumber(14)) {
@@ -837,6 +853,8 @@ int32 Insane::enemy4handler(int32 actor1, int32 actor2, int32 probability) {
 								prepareScenePropScene(40, 0, 0);
 							}
 							break;
+						default:
+							break;
 						}
 					}
 				}
@@ -937,6 +955,8 @@ int32 Insane::enemy5handler(int32 actor1, int32 actor2, int32 probability) {
 						prepareScenePropScene(12, 0, 0);
 					}
 					break;
+				default:
+					break;
 				}
 			else {
 				if (_actor[actor1].kicking) {
@@ -955,6 +975,8 @@ int32 Insane::enemy5handler(int32 actor1, int32 actor2, int32 probability) {
 						_enemyState[EN_VULTF2][1] = 1;
 						prepareScenePropScene(10, 0, 0);
 						break;
+					default:
+						break;
 					}
 				} else {
 					switch (_vm->_rnd.getRandomNumber(14)) {
@@ -970,6 +992,8 @@ int32 Insane::enemy5handler(int32 actor1, int32 actor2, int32 probability) {
 							prepareScenePropScene(14, 0, 0);
 						}
 						break;
+					default:
+						break;
 					}
 				}
 			}
@@ -1062,6 +1086,8 @@ int32 Insane::enemy6handler(int32 actor1, int32 actor2, int32 probability) {
 							prepareScenePropScene(22, 0, 0);
 						}
 						break;
+					default:
+						break;
 					}
 					_enHdlVar[EN_VULTM2][1] = 1;
 					goto _label1;
@@ -1101,6 +1127,8 @@ int32 Insane::enemy6handler(int32 actor1, int32 actor2, int32 probability) {
 					prepareScenePropScene(24, 0, 0);
 				}
 				break;
+			default:
+				break;
 			}
 		}
 	}
@@ -1450,6 +1478,8 @@ void Insane::actor11Reaction(int32 buttons) {
 
 		_actor[1].x += _actor[1].cursorX / 32;
 		break;
+	default:
+		break;
 	}
 
 	tmpx = _actor[1].x;
@@ -1607,6 +1637,9 @@ void Insane::setEnemyState() {
 	case INV_DUST:
 		_actor[1].weaponClass = 2;
 		_actor[1].act[2].state = 1;
+		break;
+	default:
+		break;
 	}
 }
 
@@ -1754,6 +1787,8 @@ void Insane::actor12Reaction(int32 buttons) {
 				if (calcBenDamage(1, 0))
 					smlayer_startSfx(73);
 				break;
+			default:
+				break;
 			}
 			smlayer_setActorFacing(1, 2, 21, 180);
 			_actor[1].act[2].state = 13;
@@ -2105,6 +2140,8 @@ void Insane::actor12Reaction(int32 buttons) {
 			case EN_VULTF2:
 				smlayer_startVoice(276);
 				break;
+			default:
+				break;
 			}
 		}
 		break;
diff --git a/engines/scumm/insane/insane_iact.cpp b/engines/scumm/insane/insane_iact.cpp
index e2ed30733b..39915869e7 100644
--- a/engines/scumm/insane/insane_iact.cpp
+++ b/engines/scumm/insane/insane_iact.cpp
@@ -53,6 +53,8 @@ void Insane::procIACT(byte *renderBitmap, int32 codecparam, int32 setupsan12,
 	case 21:
 		iactScene21(renderBitmap, codecparam, setupsan12, setupsan13, b, size, flags, par1, par2, par3, par4);
 		break;
+	default:
+		break;
 	}
 }
 
@@ -140,6 +142,9 @@ void Insane::iactScene1(byte *renderBitmap, int32 codecparam, int32 setupsan12,
 			smlayer_setFluPalette(_smush_roadrsh3Rip, 0);
 			if (par5 == par6 - 1)
 				smlayer_setFluPalette(_smush_roadrashRip, 0);
+			break;
+		default:
+			break;
 		}
 		break;
 	case 7:
@@ -158,8 +163,12 @@ void Insane::iactScene1(byte *renderBitmap, int32 codecparam, int32 setupsan12,
 					smlayer_startSfx(86);
 			}
 			break;
+		default:
+			break;
 		}
 		break;
+	default:
+		break;
 	}
 
 	if (_approachAnim < 0 || _approachAnim > 4)
@@ -335,6 +344,8 @@ void Insane::iactScene4(byte *renderBitmap, int32 codecparam, int32 setupsan12,
 			else
 				setBit(par5);
 			break;
+		default:
+			break;
 		}
 		break;
 	case 6:
@@ -377,8 +388,12 @@ void Insane::iactScene4(byte *renderBitmap, int32 codecparam, int32 setupsan12,
 			_roadBranch = true;
 			_iactSceneId = par4;
 			break;
+		default:
+			break;
 		}
 		break;
+	default:
+		break;
 	}
 }
 
@@ -421,6 +436,8 @@ void Insane::iactScene6(byte *renderBitmap, int32 codecparam, int32 setupsan12,
 			else
 				setBit(par5);
 			break;
+		default:
+			break;
 		}
 		break;
 	case 6:
@@ -462,8 +479,12 @@ void Insane::iactScene6(byte *renderBitmap, int32 codecparam, int32 setupsan12,
 			_roadBranch = true;
 			_iactSceneId = par4;
 			break;
+		default:
+			break;
 		}
 		break;
+	default:
+		break;
 	}
 }
 
@@ -508,8 +529,12 @@ void Insane::iactScene17(byte *renderBitmap, int32 codecparam, int32 setupsan12,
 			_objectDetected = true;
 			_mineCaveIsNear = true;
 			break;
+		default:
+			break;
 		}
 		break;
+	default:
+		break;
 	}
 }
 
diff --git a/engines/scumm/insane/insane_scenes.cpp b/engines/scumm/insane/insane_scenes.cpp
index c5897bec9e..15a66aa1ba 100644
--- a/engines/scumm/insane/insane_scenes.cpp
+++ b/engines/scumm/insane/insane_scenes.cpp
@@ -276,6 +276,7 @@ void Insane::stopSceneSounds(int sceneId) {
 	case 20:
 	case 22:
 	case 23:
+	default:
 		break;
 	}
 	if (!flag)
@@ -609,6 +610,7 @@ int Insane::loadSceneData(int scene, int flag, int phase) {
 		break;
 	default:
 		retvalue = 0;
+		break;
 	}
 	if (phase == 1) {
 		_sceneData1Loaded = 1;
@@ -628,28 +630,28 @@ void Insane::setSceneCostumes(int sceneId) {
 		smlayer_putActor(0, 2, _actor[0].x, _actor[0].y1 + 190, _smlayer_room2);
 		smlayer_setFluPalette(_smush_roadrashRip, 0);
 		setupValues();
-		return;
+		break;
 	case 17:
 		smlayer_setFluPalette(_smush_goglpaltRip, 0);
 		setupValues();
-		return;
+		break;
 	case 2:
 		if ((_vm->_game.features & GF_DEMO) && (_vm->_game.platform == Common::kPlatformDOS))
 			smlayer_setActorCostume(0, 2, readArray(9));
 		else
 			smlayer_setActorCostume(0, 2, readArray(10));
 		setupValues();
-		return;
+		break;
 	case 13:
 		setEnemyCostumes();
 		smlayer_setFluPalette(_smush_roadrashRip, 0);
-		return;
+		break;
 	case 21:
 		_currEnemy = EN_ROTT3; //PATCH
 		setEnemyCostumes();
 		_actor[1].y = 200;
 		smlayer_setFluPalette(_smush_roadrashRip, 0);
-		return;
+		break;
 	case 4:
 	case 5:
 	case 6:
@@ -659,11 +661,13 @@ void Insane::setSceneCostumes(int sceneId) {
 			smlayer_setActorCostume(0, 2, readArray(11));
 		smlayer_putActor(0, 2, _actor[0].x, _actor[0].y1+190, _smlayer_room2);
 		setupValues();
-		return;
+		break;
 	case 7:
 	case 8:
 		writeArray(4, 0);
-		return;
+		break;
+	default:
+		break;
 	}
 }
 
@@ -959,6 +963,7 @@ void Insane::procPostRendering(byte *renderBitmap, int32 codecparam, int32 setup
 			break;
 		case 25:
 		case 26:
+		default:
 			break;
 		}
 
@@ -1441,6 +1446,8 @@ void Insane::postCase14(byte *renderBitmap, int32 codecparam, int32 setupsan12,
 			case 6:
 				queueSceneSwitch(4, 0, "tovista1.san", 64, 0, 0, 230);
 				break;
+			default:
+				break;
 			}
 		}
 	}
diff --git a/engines/scumm/midiparser_ro.cpp b/engines/scumm/midiparser_ro.cpp
index 5fc1ae41ab..c35876867d 100644
--- a/engines/scumm/midiparser_ro.cpp
+++ b/engines/scumm/midiparser_ro.cpp
@@ -119,6 +119,9 @@ void MidiParser_RO::parseNextEvent (EventInfo &info) {
 		}
 		info.event = 0xFF;
 		break;
+
+	default:
+		break;
 	}
 }
 
diff --git a/engines/scumm/object.cpp b/engines/scumm/object.cpp
index df0b3e1035..1581eb32a9 100644
--- a/engines/scumm/object.cpp
+++ b/engines/scumm/object.cpp
@@ -237,6 +237,8 @@ bool ScummEngine::getClass(int obj, int cls) const {
 		case kObjectClassYFlip:
 			cls = 18;
 			break;
+		default:
+			break;
 		}
 	}
 
@@ -267,6 +269,8 @@ void ScummEngine::putClass(int obj, int cls, bool set) {
 		case kObjectClassYFlip:
 			cls = 18;
 			break;
+		default:
+			break;
 		}
 	}
 
@@ -391,6 +395,8 @@ int ScummEngine::getObjectOrActorXY(int object, int &x, int &y) {
 			}
 		}
 		return -1;
+	default:
+		break;
 	}
 	getObjectXYPos(object, x, y);
 	return 0;
diff --git a/engines/scumm/players/player_apple2.cpp b/engines/scumm/players/player_apple2.cpp
index cba32bef2c..4eb3a074b0 100644
--- a/engines/scumm/players/player_apple2.cpp
+++ b/engines/scumm/players/player_apple2.cpp
@@ -409,6 +409,8 @@ void Player_AppleII::startSound(int nr) {
 	case 5:
 		_soundFunc = new AppleII_SoundFunction5_Noise();
 		break;
+	default:
+		break;
 	}
 	_soundFunc->init(this, _params);
 
diff --git a/engines/scumm/players/player_nes.cpp b/engines/scumm/players/player_nes.cpp
index b2f6eb0d40..02b999dc7c 100644
--- a/engines/scumm/players/player_nes.cpp
+++ b/engines/scumm/players/player_nes.cpp
@@ -179,6 +179,9 @@ void Square::Write(int Reg, byte Val) {
 		if (!Enabled)
 			Timer = 0;
 		break;
+
+	default:
+		break;
 	}
 	CheckActive();
 }
@@ -297,6 +300,9 @@ void Triangle::Write(int Reg, byte Val) {
 		if (!Enabled)
 			Timer = 0;
 		break;
+
+	default:
+		break;
 	}
 	CheckActive();
 }
@@ -394,6 +400,9 @@ void Noise::Write(int Reg, byte Val) {
 		if (!Enabled)
 			Timer = 0;
 		break;
+
+	default:
+		break;
 	}
 }
 
@@ -483,6 +492,8 @@ void APU::WriteReg(int Addr, byte Val) {
 				_triangle.Write(4,Val & 0x4);
 				_noise.Write(4,Val & 0x8);
 		break;
+	default:
+		break;
 	}
 }
 
@@ -1025,6 +1036,9 @@ top:
 				_mchan[x].envflags = 0x00;
 				_mchan[x].voldelta = -10;
 				break;
+
+			default:
+				break;
 			}
 		}
 
diff --git a/engines/scumm/players/player_pce.cpp b/engines/scumm/players/player_pce.cpp
index 778c40f46d..31210025ca 100644
--- a/engines/scumm/players/player_pce.cpp
+++ b/engines/scumm/players/player_pce.cpp
@@ -340,6 +340,7 @@ void PSG_HuC6280::write(int offset, byte data) {
 			break;
 
 		case 0x40:
+		default:
 			break;
 
 		case 0x80:
diff --git a/engines/scumm/players/player_v1.cpp b/engines/scumm/players/player_v1.cpp
index b65c8a4d56..7c9ce0b614 100644
--- a/engines/scumm/players/player_v1.cpp
+++ b/engines/scumm/players/player_v1.cpp
@@ -192,6 +192,8 @@ void Player_V1::parseSpeakerChunk() {
 		debug(6, "chunk 3: %d -> %d step %d",
 				_start, _end, _delta);
 		break;
+	default:
+		break;
 	}
 }
 
@@ -239,6 +241,7 @@ void Player_V1::nextSpeakerCmd() {
 		set_mplex(_start);
 		_forced_level = -_forced_level;
 		break;
+
 	case 3:
 		_start = (_start + _delta) & 0xffff;
 		if (_start == _end) {
@@ -251,6 +254,9 @@ void Player_V1::nextSpeakerCmd() {
 		set_mplex((_start & lsr) | 0x180);
 		_forced_level = -_forced_level;
 		break;
+
+	default:
+		break;
 	}
 }
 
@@ -365,6 +371,7 @@ parse_again:
 		debug(6, "chunk 2: %d -> %d step %d",
 			  _start, _end, _delta);
 		break;
+
 	case 3:
 		set_mplex(READ_LE_UINT16(_next_chunk));
 		tmp = READ_LE_UINT16(_next_chunk + 2);
@@ -379,6 +386,9 @@ parse_again:
 		_delta = (int16) READ_LE_UINT16(_next_chunk + 8);
 		_next_chunk += 10;
 		break;
+
+	default:
+		break;
 	}
 }
 
@@ -438,6 +448,8 @@ void Player_V1::nextPCjrCmd() {
 					}
 				}
 				break;
+			default:
+				break;
 			}
 		}
 		break;
@@ -485,6 +497,7 @@ void Player_V1::nextPCjrCmd() {
 		debug(7, "chunk 2: mplex %d  curve %d", _start, _forced_level);
 		_forced_level = -_forced_level;
 		break;
+
 	case 3:
 		dummy = _channels[3].volume + _delta;
 		if (dummy >= 15) {
@@ -503,6 +516,9 @@ void Player_V1::nextPCjrCmd() {
 		_delta = READ_LE_UINT16(_next_chunk);
 		_next_chunk += 2;
 		break;
+
+	default:
+		break;
 	}
 }
 
diff --git a/engines/scumm/players/player_v2a.cpp b/engines/scumm/players/player_v2a.cpp
index 80a80a5584..3431c1668a 100644
--- a/engines/scumm/players/player_v2a.cpp
+++ b/engines/scumm/players/player_v2a.cpp
@@ -1401,6 +1401,8 @@ public:
 			_mod->setChannelFreq(_id | 0x100, BASE_FREQUENCY / freq);
 			_mod->setChannelVol(_id | 0x100, vol);
 			break;
+		default:
+			break;
 		}
 		_loop = (_loop + 1) & 3;
 		if (!_loop) {
@@ -1457,6 +1459,8 @@ public:
 			_mod->setChannelFreq(_id | 0x100, BASE_FREQUENCY / freq);
 			_mod->setChannelVol(_id | 0x100, vol);
 			break;
+		default:
+			break;
 		}
 		_loop = (_loop + 1) & 3;
 		if (!_loop) {
@@ -1638,6 +1642,8 @@ public:
 				_volmod = 16;
 			}
 			break;
+		default:
+			break;
 		}
 		return true;
 	}
diff --git a/engines/scumm/players/player_v2base.cpp b/engines/scumm/players/player_v2base.cpp
index 7d3dab7935..7aaeafe090 100644
--- a/engines/scumm/players/player_v2base.cpp
+++ b/engines/scumm/players/player_v2base.cpp
@@ -504,6 +504,9 @@ void Player_V2Base::execute_cmd(ChannelInfo *channel) {
 				if (opcode == 0)
 					goto end;
 				break;
+
+			default:
+				break;
 			}
 		} else { // opcode < 0xf8
 			for (;;) {
diff --git a/engines/scumm/players/player_v2cms.cpp b/engines/scumm/players/player_v2cms.cpp
index 94ba2cd388..d42fe5ed00 100644
--- a/engines/scumm/players/player_v2cms.cpp
+++ b/engines/scumm/players/player_v2cms.cpp
@@ -391,6 +391,9 @@ void Player_V2CMS::processChannel(Voice2 *channel) {
 	case Voice2::kEnvelopeRelease:
 		processRelease(channel);
 		break;
+
+	default:
+		break;
 	}
 }
 
diff --git a/engines/scumm/resource.cpp b/engines/scumm/resource.cpp
index e13bb8f3df..597a291c95 100644
--- a/engines/scumm/resource.cpp
+++ b/engines/scumm/resource.cpp
@@ -278,6 +278,9 @@ void ScummEngine::readIndexFile() {
 				_numSounds = _fileHandle->readUint16LE();
 				itemsize -= 2;
 				break;
+
+			default:
+				break;
 			}
 			_fileHandle->seek(itemsize - 8, SEEK_CUR);
 		}
diff --git a/engines/scumm/resource_v4.cpp b/engines/scumm/resource_v4.cpp
index d017514c82..49a5927530 100644
--- a/engines/scumm/resource_v4.cpp
+++ b/engines/scumm/resource_v4.cpp
@@ -89,6 +89,8 @@ void ScummEngine_v4::readIndexFile() {
 			if (_game.id == GID_INDY3 && _game.platform == Common::kPlatformFMTowns)
 				itemsize += 32;
 			break;
+		default:
+			break;
 		}
 		_fileHandle->seek(itemsize - 8, SEEK_CUR);
 	}
diff --git a/engines/scumm/script.cpp b/engines/scumm/script.cpp
index 36a5fdb8f3..245de120c1 100644
--- a/engines/scumm/script.cpp
+++ b/engines/scumm/script.cpp
@@ -1336,6 +1336,8 @@ void ScummEngine_v2::runInputScript(int clickArea, int val, int mode) {
 	case kInventoryClickArea:		// Inventory clicked
 		VAR(VAR_CLICK_OBJECT) = val;
 		break;
+	default:
+		break;
 	}
 
 	memset(args, 0, sizeof(args));
diff --git a/engines/scumm/script_v0.cpp b/engines/scumm/script_v0.cpp
index 7bacd847ac..9e6dba18ae 100644
--- a/engines/scumm/script_v0.cpp
+++ b/engines/scumm/script_v0.cpp
@@ -719,6 +719,9 @@ void ScummEngine_v0::o_animateActor() {
 		case 0xFF:
 			a->stopActorMoving();
 			return;
+
+		default:
+			break;
 	}
 
 	a->animateActor(anim);
diff --git a/engines/scumm/script_v2.cpp b/engines/scumm/script_v2.cpp
index 208b1f4aef..a07d1f7015 100644
--- a/engines/scumm/script_v2.cpp
+++ b/engines/scumm/script_v2.cpp
@@ -1542,6 +1542,8 @@ void ScummEngine_v2::o2_roomOps() {
 		}
 		_fullRedraw = true;
 		break;
+	default:
+		break;
 	}
 }
 
diff --git a/engines/scumm/script_v4.cpp b/engines/scumm/script_v4.cpp
index 7ac21fea31..63eb26d301 100644
--- a/engines/scumm/script_v4.cpp
+++ b/engines/scumm/script_v4.cpp
@@ -196,6 +196,8 @@ void ScummEngine_v4::saveVars() {
 		case 0x1F: // close file
 			_saveLoadVarsFilename[0] = '\0';
 			return;
+		default:
+			break;
 		}
 	}
 }
@@ -272,6 +274,8 @@ void ScummEngine_v4::loadVars() {
 		case 0x1F: // close file
 			_saveLoadVarsFilename[0] = '\0';
 			return;
+		default:
+			break;
 		}
 	}
 }
diff --git a/engines/scumm/script_v5.cpp b/engines/scumm/script_v5.cpp
index a2dd83ab28..21dea366ae 100644
--- a/engines/scumm/script_v5.cpp
+++ b/engines/scumm/script_v5.cpp
@@ -595,6 +595,8 @@ void ScummEngine_v5::o5_add() {
 		case 564:
 			a -= 384;
 			break;
+		default:
+			break;
 		}
 	}
 
@@ -737,6 +739,8 @@ void ScummEngine_v5::o5_cursorCommand() {
 				_charsetColorMap[i] = _charsetData[_string[1]._default.charset][i] = (unsigned char)table[i];
 		}
 		break;
+	default:
+		break;
 	}
 
 	if (_game.version >= 4) {
@@ -934,6 +938,8 @@ void ScummEngine_v5::o5_expression() {
 			executeOpcode(_opcode);
 			push(_scummVars[0]);
 			break;
+		default:
+			break;
 		}
 	}
 
@@ -1381,6 +1387,8 @@ void ScummEngine_v5::o5_matrixOps() {
 	case 4:
 		createBoxMatrix();
 		break;
+	default:
+		break;
 	}
 }
 
@@ -1786,6 +1794,8 @@ void ScummEngine_v5::o5_roomOps() {
 				case 30:
 					_townsOverrideShadowColor = 3;
 					return;
+				default:
+					break;
 				}
 			}
 #endif // DISABLE_TOWNS_DUAL_LAYER_MODE
@@ -1907,6 +1917,7 @@ void ScummEngine_v5::o5_roomOps() {
 		break;
 	default:
 		error("o5_roomOps: unknown subopcode %d", _opcode & 0x1F);
+		break;
 	}
 }
 
@@ -2199,6 +2210,7 @@ void ScummEngine_v5::o5_stringOps() {
 	case 1:											/* loadstring */
 		loadPtrToResource(rtString, getVarOrDirectByte(PARAM_1), NULL);
 		break;
+
 	case 2:											/* copystring */
 		a = getVarOrDirectByte(PARAM_1);
 		b = getVarOrDirectByte(PARAM_2);
@@ -2208,6 +2220,7 @@ void ScummEngine_v5::o5_stringOps() {
 		if (ptr)
 			loadPtrToResource(rtString, a, ptr);
 		break;
+
 	case 3:											/* set string char */
 		a = getVarOrDirectByte(PARAM_1);
 		b = getVarOrDirectByte(PARAM_2);
@@ -2240,6 +2253,9 @@ void ScummEngine_v5::o5_stringOps() {
 			}
 		}
 		break;
+
+	default:
+		break;
 	}
 }
 
@@ -2321,6 +2337,8 @@ void ScummEngine_v5::o5_verbOps() {
 					vs->curRect.left -= 54;
 					vs->curRect.top += 8;
 					break;
+				default:
+					break;
 				}
 			} else	if (_game.id == GID_LOOM && _game.version == 4) {
 			// FIXME: hack loom notes into right spot
@@ -2344,6 +2362,9 @@ void ScummEngine_v5::o5_verbOps() {
 						break;
 					case 97:
 						vs->curRect.top -= 5;
+						break;
+					default:
+						break;
 					}
 				}
 			}
diff --git a/engines/scumm/smush/codec47.cpp b/engines/scumm/smush/codec47.cpp
index 5bac85ee82..53ac6482bd 100644
--- a/engines/scumm/smush/codec47.cpp
+++ b/engines/scumm/smush/codec47.cpp
@@ -605,6 +605,8 @@ bool Codec47Decoder::decode(byte *dst, const byte *src) {
 	case 5:
 		bompDecodeLine(_curBuf, gfx_data, READ_LE_UINT32(src + 14));
 		break;
+	default:
+		break;
 	}
 
 	memcpy(dst, _curBuf, _frameSize);
diff --git a/engines/scumm/sound.cpp b/engines/scumm/sound.cpp
index 14bf1c34c9..4f0801df6d 100644
--- a/engines/scumm/sound.cpp
+++ b/engines/scumm/sound.cpp
@@ -1211,6 +1211,8 @@ int ScummEngine::readSoundResource(ResId idx) {
 				if (_sound->_musicType == MDT_PCSPK || _sound->_musicType == MDT_PCJR)
 					pri = 11;
 				break;
+			default:
+				break;
 			}
 
 			// We only allow SPK resources for PC Speaker and PCJr here
diff --git a/engines/scumm/string.cpp b/engines/scumm/string.cpp
index a127de380e..421c72b21d 100644
--- a/engines/scumm/string.cpp
+++ b/engines/scumm/string.cpp
@@ -63,6 +63,8 @@ void ScummEngine::printString(int m, const byte *msg) {
 	case 3:
 		showMessageDialog(msg);
 		break;
+	default:
+		break;
 	}
 }
 
@@ -955,6 +957,8 @@ void ScummEngine::drawString(int a, const byte *msg) {
 				}
 				_charset->_top += fontHeight;
 				break;
+			default:
+				break;
 			}
 		} else if ((c == 0xFF || (_game.version <= 6 && c == 0xFE)) && (_game.heversion <= 71)) {
 			c = buf[i++];
@@ -986,6 +990,8 @@ void ScummEngine::drawString(int a, const byte *msg) {
 				else
 					_charset->setColor(color);
 				break;
+			default:
+				break;
 			}
 		} else {
 			if (a == 1 && _game.version >= 6) {
diff --git a/engines/scumm/verbs.cpp b/engines/scumm/verbs.cpp
index 8bcbb70e97..9675bd8f5a 100644
--- a/engines/scumm/verbs.cpp
+++ b/engines/scumm/verbs.cpp
@@ -680,6 +680,8 @@ void ScummEngine_v2::checkExecVerbs() {
 		case 'l':
 			object = 3;
 			break;
+		default:
+			break;
 		}
 
 		if (object != -1) {