From 0cdb3e5782ede84d3818ad00d12cb03b9a10ae3e Mon Sep 17 00:00:00 2001
From: gfgtdf <daniel.gfgtdf@gmail.com>
Date: Mon, 16 Mar 2020 18:56:12 +0100
Subject: [PATCH] guard against  invalid [scenario]playing_team

---
 src/game_state.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/game_state.cpp b/src/game_state.cpp
index b6b35959e230..c8721ce095f7 100644
--- a/src/game_state.cpp
+++ b/src/game_state.cpp
@@ -191,6 +191,11 @@ void game_state::init(const config& level, play_controller & pc)
 	LOG_NG << "initialized teams... "    << (SDL_GetTicks() - pc.ticks()) << std::endl;
 
 	board_.teams_.resize(level.child_count("side"));
+	if (player_number_ > static_cast<int>(board_.teams_.size())) {
+		ERR_NG << "invalid player number " <<  player_number_ << " #sides=" << board_.teams_.size() << "\n";
+		player_number_ = 1;
+		// in case there are no teams, using player_number_ migh still cause problems later.
+	}
 
 	std::vector<team_builder_ptr> team_builders;