eat what's here

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

diff --git a/src/creature/need.cpp b/src/creature/need.cpp
index b56950070e974d6f56e48be084ea419ec4567b22..8249631038a639925697d9fb4a535d5135a9e1c0 100644 (file)
--- a/src/creature/need.cpp
+++ b/src/creature/need.cpp
@@ -4,6 +4,7 @@
 
 #include "Creature.hpp"
 #include "../world/Planet.hpp"
+#include "../world/TileType.hpp"
 
 
 namespace blobs {
@@ -13,22 +14,43 @@ Need::~Need() {
 }
 
 void Need::Tick(double dt) noexcept {
-       value = std::min(1.0, value + gain * dt);
+       Increase(gain * dt);
+}
+
+void Need::Increase(double delta) noexcept {
+       value = std::min(1.0, value + delta);
+}
+
+void Need::Decrease(double delta) noexcept {
+       value = std::max(0.0, value - delta);
 }
 
 
 IngestNeed::IngestNeed(int resource, double speed, double damage)
 : resource(resource)
 , speed(speed)
-, damage(damage) {
+, damage(damage)
+, ingesting(false) {
 }
 
 IngestNeed::~IngestNeed() {
 }
 
 void IngestNeed::ApplyEffect(Creature &c, double dt) {
+       if (!IsSatisfied()) {
+               ingesting = true;
+       }
        if (!IsSatisfied()) {
                // TODO: find resource and start ingest task
+               if (c.GetSituation().OnSurface()) {
+                       const world::TileType &t = c.GetSituation().GetTileType();
+                       for (auto &yield : t.resources) {
+                               if (yield.resource == resource) {
+                                       Decrease(std::min(yield.ubiquity, speed) * dt);
+                                       break;
+                               }
+                       }
+               }
        }
        if (IsCritical()) {
                c.Hurt(damage * dt);
@@ -39,7 +61,8 @@ void IngestNeed::ApplyEffect(Creature &c, double dt) {
 InhaleNeed::InhaleNeed(int resource, double speed, double damage)
 : resource(resource)
 , speed(speed)
-, damage(damage) {
+, damage(damage)
+, inhaling(false) {
 }
 
 InhaleNeed::~InhaleNeed() {
@@ -47,9 +70,14 @@ InhaleNeed::~InhaleNeed() {
 
 void InhaleNeed::ApplyEffect(Creature &c, double dt) {
        if (!IsSatisfied()) {
-               // TODO: make condition more natural with thresholds and stuff
+               inhaling = true;
+       }
+       if (inhaling) {
                if (c.GetSituation().OnPlanet() && c.GetSituation().GetPlanet().Atmosphere() == resource) {
-                       value = std::max(0.0, value - (speed * dt));
+                       Decrease(speed * dt);
+                       if (value == 0.0) {
+                               inhaling = false;
+                       }
                } else {
                        // TODO: panic
                }