introduce random genetic mutations

[blobs.git] / src / creature / Creature.hpp

diff --git a/src/creature/Creature.hpp b/src/creature/Creature.hpp
index d3cd86c462a7d8f22933ab2b8a0da41673a0ce25..3cff2e04cd5264aefab4510679d4abf80bca5f59 100644 (file)
--- a/src/creature/Creature.hpp
+++ b/src/creature/Creature.hpp
@@ -77,8 +77,10 @@ public:
        double Age() const noexcept;
        std::string AgeName() const;
        double AgeLerp(double from, double to) const noexcept;
-       // change of giving birth per tick
+       // chance of giving birth per tick
        double Fertility() const noexcept;
+       // chance of random genetic mutation per tick
+       double Mutability() const noexcept;
 
        void Health(double h) noexcept { health = h; }
        double Health() const noexcept { return health; }
@@ -91,6 +93,10 @@ public:
        Memory &GetMemory() noexcept { return memory; }
        const Memory &GetMemory() const noexcept { return memory; }
 
+       /// constantly active goal. every creature in the simulation is required to have one
+       void SetBackgroundTask(std::unique_ptr<Goal> &&g) { bg_task = std::move(g); }
+       Goal &BackgroundTask() { return *bg_task; }
+
        void AddNeed(std::unique_ptr<Need> &&n) { needs.emplace_back(std::move(n)); }
        const std::vector<std::unique_ptr<Need>> &Needs() const noexcept { return needs; }
 
@@ -135,6 +141,7 @@ private:
 
        Memory memory;
 
+       std::unique_ptr<Goal> bg_task;
        std::vector<std::unique_ptr<Need>> needs;
        std::vector<std::unique_ptr<Goal>> goals;