track where a creature has been

[blobs.git] / src / creature / creature.cpp

diff --git a/src/creature/creature.cpp b/src/creature/creature.cpp
index c83f11cea3168c388195da964b20bf118a8c5809..4345bd9837b668bdd96a2cc612514c22a25ae686 100644 (file)
--- a/src/creature/creature.cpp
+++ b/src/creature/creature.cpp
@@ -1,5 +1,6 @@
 #include "Creature.hpp"
 #include "Genome.hpp"
+#include "Memory.hpp"
 #include "Situation.hpp"
 #include "Steering.hpp"
 
@@ -35,6 +36,7 @@ Creature::Creature(world::Simulation &sim)
 , health(1.0)
 , on_death()
 , removable(false)
+, memory(*this)
 , needs()
 , goals()
 , situation()
@@ -112,6 +114,7 @@ void Creature::Tick(double dt) {
                << name << " died of old age" << std::endl;
        }
 
+       memory.Tick(dt);
        for (auto &need : needs) {
                need->Tick(dt);
        }
@@ -391,6 +394,39 @@ void Split(Creature &c) {
 }
 
 
+Memory::Memory(Creature &c)
+: c(c) {
+}
+
+Memory::~Memory() {
+}
+
+void Memory::Tick(double dt) {
+       Situation &s = c.GetSituation();
+       if (s.OnSurface()) {
+               TrackStay({ &s.GetPlanet(), s.Surface(), s.SurfacePosition() }, dt);
+       }
+}
+
+void Memory::TrackStay(const Location &l, double t) {
+       const world::TileType &type = l.planet->TypeAt(l.surface, l.coords.x, l.coords.y);
+       auto entry = known_types.find(type.id);
+       if (entry != known_types.end()) {
+               entry->second.last_been = c.GetSimulation().Time();
+               entry->second.last_loc = l;
+               entry->second.time_spent += t;
+       } else {
+               known_types.emplace(type.id, Stay{
+                       c.GetSimulation().Time(),
+                       l,
+                       c.GetSimulation().Time(),
+                       l,
+                       t
+               });
+       }
+}
+
+
 Situation::Situation()
 : planet(nullptr)
 , position(0.0)