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-rw-r--r--universe/src/JsonRepository.cpp3
-rw-r--r--universe/src/TurretType.cpp14
2 files changed, 15 insertions, 2 deletions
diff --git a/universe/src/JsonRepository.cpp b/universe/src/JsonRepository.cpp
index 5d15646..dbfb8ea 100644
--- a/universe/src/JsonRepository.cpp
+++ b/universe/src/JsonRepository.cpp
@@ -56,6 +56,9 @@ from_json(const json& item, TurretType& turret)
maybe_to(item, "optimal_range", turret.optimal_range);
maybe_to(item, "falloff_modifier", turret.falloff_modifier);
maybe_to(item, "falloff_intensity", turret.falloff_intensity);
+ maybe_to(item, "tracking", turret.tracking);
+ maybe_to(item, "tracking_factor", turret.tracking_factor);
+ maybe_to(item, "tracking_exponent", turret.tracking_exponent);
}
diff --git a/universe/src/TurretType.cpp b/universe/src/TurretType.cpp
index b64efd4..4da47ef 100644
--- a/universe/src/TurretType.cpp
+++ b/universe/src/TurretType.cpp
@@ -11,9 +11,9 @@ namespace universe
double
-TurretType::effective_damage(const double distance) const
+TurretType::effective_damage(const double distance, const double speed) const
{
- return base_damage * std::round(range_modifier(distance) * 1000) / 1000;
+ return base_damage * std::round(range_modifier(distance) * tracking_modifier(distance, speed) * 1000) / 1000;
}
@@ -27,6 +27,16 @@ TurretType::range_modifier(const double distance) const
double
+TurretType::tracking_modifier(const double distance, const double speed) const
+{
+ const auto simplified_falloff = optimal_range + optimal_range * falloff_modifier;
+ const auto by_distance = (distance + 1.0) / simplified_falloff;
+ const auto by_speed = tracking / (speed + 1.0);
+ return std::min(1.0, std::pow(tracking_factor * by_distance * by_speed, tracking_exponent));
+}
+
+
+double
TurretType::effective_range() const
{
const double one_point = 1.0 / base_damage;