1 files changed, 53 insertions, 0 deletions
diff --git a/source/game/interfaces/StarSwingableItem.cpp b/source/game/interfaces/StarSwingableItem.cpp
new file mode 100644
index 0000000..3a113d8
--- /dev/null
+++ b/source/game/interfaces/StarSwingableItem.cpp
@@ -0,0 +1,53 @@
+#include "StarSwingableItem.hpp"
+
+namespace Star {
+
+SwingableItem::SwingableItem() {
+  m_swingAimFactor = 0;
+  m_swingStart = 0;
+  m_swingFinish = 0;
+}
+
+SwingableItem::SwingableItem(Json const& params) : FireableItem(params) {
+  setParams(params);
+}
+
+void SwingableItem::setParams(Json const& params) {
+  m_swingStart = params.getFloat("swingStart", 60) * Constants::pi / 180;
+  m_swingFinish = params.getFloat("swingFinish", -40) * Constants::pi / 180;
+  m_swingAimFactor = params.getFloat("swingAimFactor", 1);
+  m_coolingDownAngle = params.optFloat("coolingDownAngle").apply([](float angle) { return angle * Constants::pi / 180; });
+  FireableItem::setParams(params);
+}
+
+float SwingableItem::getAngleDir(float angle, Direction) {
+  return getAngle(angle);
+}
+
+float SwingableItem::getAngle(float aimAngle) {
+  if (!ready()) {
+    if (coolingDown()) {
+      if (m_coolingDownAngle)
+        return *m_coolingDownAngle + aimAngle * m_swingAimFactor;
+      else
+        return -Constants::pi / 2;
+    }
+
+    if (m_timeFiring < windupTime())
+      return m_swingStart + (m_swingFinish - m_swingStart) * m_timeFiring / windupTime() + aimAngle * m_swingAimFactor;
+
+    return m_swingFinish + (m_swingStart - m_swingFinish) * fireTimer() / (cooldownTime() + windupTime()) + aimAngle * m_swingAimFactor;
+  }
+
+  return -Constants::pi / 2;
+}
+
+float SwingableItem::getItemAngle(float aimAngle) {
+  return getAngle(aimAngle);
+}
+
+String SwingableItem::getArmFrame() {
+  return "rotation";
+}
+
+}