Method CheckThrownCollisionLine

Source/Objects/itemobject.cpp:1087–1248

}

void ItemObject::CheckThrownCollisionLine(int line_id, const mat4& cur_transform, const mat4& transform) {
    vec3 point, normal, start, end;
    start = transform * item_ref_->GetLineStart(line_id);
    end = transform * item_ref_->GetLineEnd(line_id);
    int bone = -1;
    int char_id = scenegraph_->CheckRayCollisionCharacters(start,
                                                           end,
                                                           &point,
                                                           &normal,
                                                           &bone);
    if (char_id == last_held_char_id_) {  // && active_time < 0.1f){
        return;
    }
    vec4 color(1.0f);
    if (item_ref_->GetLineMaterial(line_id) == "wood") {
        color = vec4(105 / 255.0f, 77 / 255.0f, 50 / 255.0f, 1.0f);
    }
    if (char_id != -1 && !IsHeld() && !IsStuckInCharacter()) {
        if (_debug_draw_collision) {
            DebugDraw::Instance()->AddWireSphere(point, 0.2f, color, _fade);
        }
        Object* obj = scenegraph_->GetObjectFromID(char_id);
        MovementObject* mo = (MovementObject*)obj;

        if (thrown_ != kSafe) {
            int accept_hit = 1;
            {
                accept_hit = mo->AboutToBeHitByItem(GetID());
            }
            if (accept_hit == 1) {
                bool will_cut = false;
                int vert = GetClosestVert(point + normalize(GetLinearVelocity()));
                float sharpness = GetVertSharpness(vert);
                if (sharpness > 0.3f && item_ref_->GetLineMaterial(line_id) == "metal") {
                    will_cut = true;
                }
                bool will_stick = false;
                if (will_cut) {
                    mo->rigged_object()->Stab(point, normalize(end - start), _heavy, 0);
                    AddBloodDecal(cur_transform * invert(transform) * point, normalize(end - start), 0.2f);

                    if (item_ref_->GetLabel() == "spear") {
                        will_stick = true;
                    }
                    if (fabs(dot(normalize(end - start), normal)) > 0.4f) {
                        will_stick = true;
                    }
                    if (will_stick) {
                        mat4 stick_transform = transform;
                        stick_transform.AddTranslation(point - end);
                        stick_transform.AddTranslation(transform.GetRotatedvec3(phys_offset_ * -1.0f));
                        float stick_depth = 0.4f;
                        stick_transform.AddTranslation(normalize(end - start) * stick_depth);

                        if (bone != -1) {
                            // stick_transform = mo->rigged_object()->skeleton_.physics_bones[bone].bullet_object->GetTransform();
                            mo->rigged_object()->StickItem(GetID(), start, end, stick_transform);
                        }