From f315fbc3406b13aef4712d391661fad6bcf4872c Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Mon, 12 Dec 2022 18:38:14 +0100
Subject: Extracted effective damage calculation to universe

---
 universe/CMakeLists.txt                        |  1 +
 universe/include/kurator/universe/TurretType.h |  1 +
 universe/src/TurretType.cpp                    | 23 +++++++++++++++++++++++
 3 files changed, 25 insertions(+)
 create mode 100644 universe/src/TurretType.cpp

(limited to 'universe')

diff --git a/universe/CMakeLists.txt b/universe/CMakeLists.txt
index bb7253f..daf55bc 100644
--- a/universe/CMakeLists.txt
+++ b/universe/CMakeLists.txt
@@ -3,6 +3,7 @@ add_library(
 	${PROJECT_NAME}
 	src/NotFound.cpp
 	src/SampleRepository.cpp
+	src/TurretType.cpp
 	src/universe.cpp
 )
 target_include_directories(
diff --git a/universe/include/kurator/universe/TurretType.h b/universe/include/kurator/universe/TurretType.h
index 7723d88..ff67cfe 100644
--- a/universe/include/kurator/universe/TurretType.h
+++ b/universe/include/kurator/universe/TurretType.h
@@ -17,6 +17,7 @@ struct TurretType
 	double optimal_range;
 	double falloff_modifier;
 	double falloff_intensity;
+	double effective_damage(double distance) const;
 };
 
 
diff --git a/universe/src/TurretType.cpp b/universe/src/TurretType.cpp
new file mode 100644
index 0000000..d213d07
--- /dev/null
+++ b/universe/src/TurretType.cpp
@@ -0,0 +1,23 @@
+#include <kurator/universe/TurretType.h>
+
+#include <algorithm>
+#include <cmath>
+
+
+namespace kurator
+{
+namespace universe
+{
+
+
+double
+TurretType::effective_damage(const double distance) const
+{
+	const auto overflow = distance - optimal_range;
+	const auto falloff = std::max(0.0, overflow / optimal_range / falloff_modifier);
+	return base_damage * std::round(std::pow(falloff_intensity, std::pow(falloff, 2)) * 1000) / 1000;
+}
+
+
+}  // namespace universe
+}  // namespace kurator
-- 
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