diff options
Diffstat (limited to 'indra/newview/llhudicon.cpp')
| -rw-r--r-- | indra/newview/llhudicon.cpp | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/indra/newview/llhudicon.cpp b/indra/newview/llhudicon.cpp index a6d57e98e3..8c6b906ccd 100644 --- a/indra/newview/llhudicon.cpp +++ b/indra/newview/llhudicon.cpp @@ -211,6 +211,80 @@ void LLHUDIcon::renderForSelect() renderIcon(TRUE); } +BOOL LLHUDIcon::lineSegmentIntersect(const LLVector3& start, const LLVector3& end, LLVector3* intersection) +{ + if (mHidden) + return FALSE; + + if (mSourceObject.isNull() || mImagep.isNull()) + { + markDead(); + return FALSE; + } + + LLVector3 obj_position = mSourceObject->getRenderPosition(); + + // put icon above object, and in front + // RN: don't use drawable radius, it's fricking HUGE + LLVector3 icon_relative_pos = (LLViewerCamera::getInstance()->getUpAxis() * ~mSourceObject->getRenderRotation()); + icon_relative_pos.abs(); + + F32 distance_scale = llmin(mSourceObject->getScale().mV[VX] / icon_relative_pos.mV[VX], + mSourceObject->getScale().mV[VY] / icon_relative_pos.mV[VY], + mSourceObject->getScale().mV[VZ] / icon_relative_pos.mV[VZ]); + F32 up_distance = 0.5f * distance_scale; + LLVector3 icon_position = obj_position + (up_distance * LLViewerCamera::getInstance()->getUpAxis()) * 1.2f; + + LLVector3 icon_to_cam = LLViewerCamera::getInstance()->getOrigin() - icon_position; + icon_to_cam.normVec(); + + icon_position += icon_to_cam * mSourceObject->mDrawable->getRadius() * 1.1f; + + mDistance = dist_vec(icon_position, LLViewerCamera::getInstance()->getOrigin()); + + LLVector3 x_pixel_vec; + LLVector3 y_pixel_vec; + + LLViewerCamera::getInstance()->getPixelVectors(icon_position, y_pixel_vec, x_pixel_vec); + + F32 scale_factor = 1.f; + if (mAnimTimer.getElapsedTimeF32() < ANIM_TIME) + { + scale_factor = llmax(0.f, calc_bouncy_animation(mAnimTimer.getElapsedTimeF32() / ANIM_TIME)); + } + + F32 time_elapsed = mLifeTimer.getElapsedTimeF32(); + if (time_elapsed > MAX_VISIBLE_TIME) + { + markDead(); + return FALSE; + } + + F32 image_aspect = (F32)mImagep->mFullWidth / (F32)mImagep->mFullHeight; + LLVector3 x_scale = image_aspect * (F32)gViewerWindow->getWindowHeight() * mScale * scale_factor * x_pixel_vec; + LLVector3 y_scale = (F32)gViewerWindow->getWindowHeight() * mScale * scale_factor * y_pixel_vec; + + LLVector3 lower_left = icon_position - (x_scale * 0.5f); + LLVector3 lower_right = icon_position + (x_scale * 0.5f); + LLVector3 upper_left = icon_position - (x_scale * 0.5f) + y_scale; + LLVector3 upper_right = icon_position + (x_scale * 0.5f) + y_scale; + + + F32 t = 0.f; + LLVector3 dir = end-start; + + if (LLTriangleRayIntersect(upper_right, upper_left, lower_right, start, dir, NULL, NULL, &t, FALSE) || + LLTriangleRayIntersect(lower_left, lower_right, upper_left, start, dir, NULL, NULL, &t, FALSE)) + { + if (intersection) + { + *intersection = start + dir*t; + } + return TRUE; + } + + return FALSE; +} //static S32 LLHUDIcon::generatePickIDs(S32 start_id, S32 step_size) @@ -243,6 +317,33 @@ LLHUDIcon* LLHUDIcon::handlePick(S32 pick_id) return NULL; } +//static +LLHUDIcon* LLHUDIcon::lineSegmentIntersectAll(const LLVector3& start, const LLVector3& end, LLVector3* intersection) +{ + icon_instance_t::iterator icon_it; + + LLVector3 local_end = end; + LLVector3 position; + + LLHUDIcon* ret = NULL; + for(icon_it = sIconInstances.begin(); icon_it != sIconInstances.end(); ++icon_it) + { + LLHUDIcon* icon = *icon_it; + if (icon->lineSegmentIntersect(start, local_end, &position)) + { + ret = icon; + if (intersection) + { + *intersection = position; + } + local_end = position; + } + } + + return ret; +} + + //static void LLHUDIcon::updateAll() { |