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