Add crystals as a currency.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/game/unit_scientist.cpp b/src/game/unit_scientist.cpp
index bac2a23..129d7fa 100644
--- a/src/game/unit_scientist.cpp
+++ b/src/game/unit_scientist.cpp
@@ -57,6 +57,7 @@ void unit_scientist_t::gather_crystals(void)
 	world::trace_t trace;
 	bool found = true;
 	deco_t *deco;
+	size_t crystals;
 
 	if (!move.moving)
 		start_moving(gathering_at);
@@ -76,6 +77,11 @@ void unit_scientist_t::gather_crystals(void)
 		goto out;
 	}
 
+	crystals = game->prng.next() % 100 + 1;
+	game->crystals += crystals;
+	game->interface.print(name + " collected " + std::to_string(crystals) + " " +
+	                      (crystals == 1 ? "crystal" : "crystals"));
+
 	deco->type = DECO_CRYSTAL_BROKEN;
 	assets::scientist.gather.play_3d(x);