Merge #4813 #4905

4813: Don't allow infinite shotgun bounce (fixes #4809) r=heinrich5991 a=def-

I hope this kind of physic isn't used anywhere, I couldn't trigger it without being stuck in wall.

## Checklist

- [x] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test if it works standalone, system.c especially
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


4905: Fix move_sqlite (fixes #4902) r=heinrich5991 a=def-

<!-- What is the motivation for the changes of this pull request -->

## Checklist

- [ ] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test if it works standalone, system.c especially
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


Co-authored-by: def <dennis@felsin9.de>

scripts/move_sqlite.py

@@ -36,7 +36,7 @@ def transfer(file_from, file_to):
 	conn_from = sqlite3.connect(file_from, isolation_level='EXCLUSIVE')
 	for line in conn_from.iterdump():
 		cursor_to.execute(line)
-		print(line)
+		print(line.encode('utf-8'))
 	cursor_to.close()
 	conn_to.commit()
 	conn_to.close()

src/game/client/prediction/entities/laser.cpp

@@ -112,7 +112,12 @@ void CLaser::DoBounce()
 			m_Pos = TempPos;
 			m_Dir = normalize(TempDir);
 
-			m_Energy -= distance(m_From, m_Pos) + GetTuning(m_TuneZone)->m_LaserBounceCost;
+			const float Distance = distance(m_From, m_Pos);
+			// Prevent infinite bounces
+			if(Distance == 0.0f)
+				m_Energy = -1;
+			else
+				m_Energy -= Distance + GetTuning(m_TuneZone)->m_LaserBounceCost;
 
 			m_Bounces++;
 			m_WasTele = false;

src/game/server/entities/laser.cpp

@@ -126,8 +126,12 @@ void CLaser::DoBounce()
 			m_Pos = TempPos;
 			m_Dir = normalize(TempDir);
 
-			if(!m_TuneZone)
-				m_Energy -= distance(m_From, m_Pos) + GameServer()->Tuning()->m_LaserBounceCost;
+			const float Distance = distance(m_From, m_Pos);
+			// Prevent infinite bounces
+			if(Distance == 0.0f)
+				m_Energy = -1;
+			else if(!m_TuneZone)
+				m_Energy -= Distance + GameServer()->Tuning()->m_LaserBounceCost;
 			else
 				m_Energy -= distance(m_From, m_Pos) + GameServer()->TuningList()[m_TuneZone].m_LaserBounceCost;