v1.4.4

source/game/items/StarThrownItem.cpp

@@ -0,0 +1,56 @@
+#include "StarThrownItem.hpp"
+#include "StarProjectile.hpp"
+#include "StarRoot.hpp"
+#include "StarAssets.hpp"
+#include "StarProjectileDatabase.hpp"
+#include "StarWorld.hpp"
+
+namespace Star {
+
+ThrownItem::ThrownItem(Json const& config, String const& directory, Json const& itemParameters)
+  : Item(config, directory, itemParameters), SwingableItem(config) {
+  m_projectileType = instanceValue("projectileType").toString();
+  m_projectileConfig = instanceValue("projectileConfig", {});
+  m_ammoUsage = instanceValue("ammoUsage", 1).toUInt();
+
+  auto image = AssetPath::relativeTo(directory, instanceValue("image").toString());
+  m_drawables = {Drawable::makeImage(image, 1.0f / TilePixels, true, Vec2F())};
+}
+
+ItemPtr ThrownItem::clone() const {
+  return make_shared<ThrownItem>(*this);
+}
+
+List<Drawable> ThrownItem::drawables() const {
+  return m_drawables;
+}
+
+List<Drawable> ThrownItem::preview(PlayerPtr const&) const {
+  return iconDrawables();
+}
+
+void ThrownItem::fireTriggered() {
+  auto& root = Root::singleton();
+
+  if (initialized()) {
+    Vec2F direction = world()->geometry().diff(owner()->aimPosition(), owner()->position()).normalized();
+    Vec2F firePosition = owner()->position() + ownerFirePosition();
+    if (world()->lineTileCollision(owner()->position(), firePosition))
+      return;
+
+    if (consume(m_ammoUsage)) {
+      auto projectile = root.projectileDatabase()->createProjectile(m_projectileType, m_projectileConfig);
+      projectile->setInitialPosition(firePosition);
+      projectile->setInitialDirection(direction);
+      projectile->setSourceEntity(owner()->entityId(), false);
+      projectile->setPowerMultiplier(owner()->powerMultiplier());
+      world()->addEntity(projectile);
+    }
+
+    FireableItem::fireTriggered();
+  } else {
+    throw ItemException("Thrown item not init'd properly, or user not recognized as Tool User.");
+  }
+}
+
+}