Function DrawWeaponConnectionUI

Source/Editors/map_editor.cpp:576–613

};

void DrawWeaponConnectionUI(const SceneGraph* scenegraph, IMUIContext& imui_context, const ItemRef& item_ref, WeapConnectionResult* result) {
    result->mo = NULL;
    vec3 cam_facing = ActiveCameras::Get()->GetFacing();
    vec3 cam_up = ActiveCameras::Get()->GetUpVector();
    vec3 cam_right = cross(cam_facing, cam_up);
    int ui_index = 0;
    for (auto movement_object : scenegraph->movement_objects_) {
        MovementObject* mo = (MovementObject*)movement_object;
        std::list<AttachmentSlot> list;
        mo->rigged_object()->AvailableItemSlots(item_ref, &list);
        for (auto& slot : list) {
            mat4 circle_transform;
            circle_transform.SetColumn(0, cam_right * 0.1f);
            circle_transform.SetColumn(1, cam_up * 0.1f);
            circle_transform.SetColumn(2, cam_facing * 0.1f);
            circle_transform.SetTranslationPart(slot.pos);
            vec4 color = vec4(0.5f, 0.5f, 0.5f, 0.5f);
            vec3 screen_pos_tl = ActiveCameras::Get()->worldToScreen(circle_transform * vec3(-1, -1, 0));
            vec3 screen_pos_br = ActiveCameras::Get()->worldToScreen(circle_transform * vec3(1, 1, 0));
            if (screen_pos_tl[2] < 1.0 && screen_pos_br[2] < 1.0) {
                vec2 top_left(screen_pos_tl[0], screen_pos_tl[1]);
                vec2 bottom_right(screen_pos_br[0], screen_pos_br[1]);
                IMUIContext::UIState ui_state;
                if (imui_context.DoButton(ui_index++, top_left, bottom_right, ui_state)) {
                    result->mo = mo;
                    result->slot = slot;
                }
                if (ui_state == IMUIContext::kActive) {
                    color = vec4(0.0f, 0.0f, 0.0f, 0.5f);
                }
                if (ui_state == IMUIContext::kHot) {
                    color = vec4(1.0f, 1.0f, 1.0f, 0.5f);
                }
            }
            DebugDraw::Instance()->AddCircle(circle_transform, color, _delete_on_draw);
        }
    }
}

static vec3 TransformVec3(const mat4& transform, const vec3& vector) {
    return {