Examples with EventContextKeys org.spongepowered.api.event.EventContextKeys used on opensource projects

Example 1 with EventContextKeys

use of org.spongepowered.api.event.EventContextKeys in project SpongeCommon by SpongePowered.

the class ContextValueFilterSourceDelegate method insertCauseCall.

@Override
protected void insertCauseCall(final MethodVisitor mv, final ListenerClassVisitor.ListenerParameter param, final Type targetType) {
    final Field targetField;
    try {
        targetField = EventContextKeys.class.getField(this.anno.value());
    } catch (final NoSuchFieldException ex) {
        throw new IllegalArgumentException(String.format("Field %s specified by GetValue annotation was not found in EventContextKeys", this.anno.value()));
    }
    if (!EventContextKey.class.isAssignableFrom(targetField.getType())) {
        throw new IllegalArgumentException(String.format("Field %s.%s was not an EventContextKey", targetField.getName(), targetField.getType()));
    }
    // cause.context().get(EventContextKeys.<anno.value()>
    mv.visitMethodInsn(INVOKEVIRTUAL, CauseFilterSourceDelegate.CAUSE.getInternalName(), "context", "()" + ContextValueFilterSourceDelegate.EVENT_CONTEXT.getDescriptor(), false);
    mv.visitFieldInsn(GETSTATIC, ContextValueFilterSourceDelegate.EVENT_CONTEXT_KEYS.getInternalName(), this.anno.value(), ContextValueFilterSourceDelegate.EVENT_CONTEXT_KEY.getDescriptor());
    mv.visitMethodInsn(INVOKEVIRTUAL, ContextValueFilterSourceDelegate.EVENT_CONTEXT.getInternalName(), "get", Type.getMethodDescriptor(ParameterFilterSourceDelegate.OPTIONAL, ContextValueFilterSourceDelegate.EVENT_CONTEXT_KEY), false);
}