X-Git-Url: http://git.localhorst.tv/?p=blobs.git;a=blobdiff_plain;f=src%2Fcreature%2Fgoal.cpp;h=f3e0891c1e1ca5cf7e6b98846f4ed43aca0688f2;hp=06a689f2e0d6d1cebbe29e3c75c7224470bed6ab;hb=392826deaf802ac0960ed3924a3f98b9d18d381b;hpb=b4deadd9f4e399207e2530ea39a447c0d9d260a3

diff --git a/src/creature/goal.cpp b/src/creature/goal.cpp
index 06a689f..f3e0891 100644
--- a/src/creature/goal.cpp
+++ b/src/creature/goal.cpp
@@ -37,8 +37,16 @@ std::string BlobBackgroundTask::Describe() const {
 void BlobBackgroundTask::Tick(double dt) {
 	if (breathing) {
 		// TODO: derive breathing ability
+		int gas = Assets().data.resources["air"].id;
+		// TODO: check if in compatible atmosphere
 		double amount = GetCreature().GetStats().Breath().gain * -(1.5 + 0.5 * GetCreature().ExhaustionFactor());
 		GetCreature().GetStats().Breath().Add(amount * dt);
+		// maintain ~2.5% gas composition
+		double gas_amount = GetCreature().GetComposition().Get(gas);
+		if (gas_amount < GetCreature().GetComposition().TotalMass() * 0.025) {
+			double add = std::min(GetCreature().GetComposition().TotalMass() * 0.025 - gas_amount, -amount * dt);
+			GetCreature().Ingest(gas, add);
+		}
 		if (GetCreature().GetStats().Breath().Empty()) {
 			breathing = false;
 		}