diff options
Diffstat (limited to 'indra/newview/llmanip.cpp')
| -rw-r--r-- | indra/newview/llmanip.cpp | 1244 |
1 files changed, 622 insertions, 622 deletions
diff --git a/indra/newview/llmanip.cpp b/indra/newview/llmanip.cpp index 55c2f58d2d..7480dc3c0f 100644 --- a/indra/newview/llmanip.cpp +++ b/indra/newview/llmanip.cpp @@ -1,622 +1,622 @@ -/** - * @file llmanip.cpp - * @brief LLManip class implementation - * - * $LicenseInfo:firstyear=2001&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#include "llviewerprecompiledheaders.h" - -#include "llmanip.h" - -#include "llmath.h" -#include "v3math.h" -#include "llgl.h" -#include "llrender.h" -#include "llprimitive.h" -#include "llview.h" -#include "llviewertexturelist.h" - -#include "llagent.h" -#include "llagentcamera.h" -#include "llviewercontrol.h" -#include "lldrawable.h" -#include "llfontgl.h" -#include "llhudrender.h" -#include "llselectmgr.h" -#include "llui.h" -#include "llviewercamera.h" -#include "llviewerjoint.h" -#include "llviewerobject.h" -#include "llviewerwindow.h" -#include "llvoavatar.h" -#include "llworld.h" // for LLWorld::getInstance() -#include "llresmgr.h" -#include "pipeline.h" -#include "llglheaders.h" -#include "lluiimage.h" -// Local constants... -const S32 VERTICAL_OFFSET = 50; - -F32 LLManip::sHelpTextVisibleTime = 2.f; -F32 LLManip::sHelpTextFadeTime = 2.f; -S32 LLManip::sNumTimesHelpTextShown = 0; -S32 LLManip::sMaxTimesShowHelpText = 5; -F32 LLManip::sGridMaxSubdivisionLevel = 32.f; -F32 LLManip::sGridMinSubdivisionLevel = 1.f / 32.f; -LLVector2 LLManip::sTickLabelSpacing(60.f, 25.f); - - -//static -void LLManip::rebuild(LLViewerObject* vobj) -{ - LLDrawable* drawablep = vobj->mDrawable; - if (drawablep && drawablep->getVOVolume()) - { - gPipeline.markRebuild(drawablep,LLDrawable::REBUILD_VOLUME); - drawablep->setState(LLDrawable::MOVE_UNDAMPED); // force to UNDAMPED - drawablep->updateMove(); - LLSpatialGroup* group = drawablep->getSpatialGroup(); - if (group) - { - group->dirtyGeom(); - gPipeline.markRebuild(group); - } - - LLViewerObject::const_child_list_t& child_list = vobj->getChildren(); - for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin(), endIter = child_list.end(); - iter != endIter; ++iter) - { - LLViewerObject* child = *iter; - rebuild(child); - } - } -} - -////////////////////////////////////////////////////////////////////////////// -// LLManip - - -LLManip::LLManip( const std::string& name, LLToolComposite* composite ) - : - LLTool( name, composite ), - mInSnapRegime(false), - mHighlightedPart(LL_NO_PART), - mManipPart(LL_NO_PART) -{ -} - -void LLManip::getManipNormal(LLViewerObject* object, EManipPart manip, LLVector3 &normal) -{ - LLVector3 grid_origin; - LLVector3 grid_scale; - LLQuaternion grid_rotation; - - LLSelectMgr::getInstance()->getGrid(grid_origin, grid_rotation, grid_scale); - - if (manip >= LL_X_ARROW && manip <= LL_Z_ARROW) - { - LLVector3 arrow_axis; - getManipAxis(object, manip, arrow_axis); - - LLVector3 cross = arrow_axis % LLViewerCamera::getInstance()->getAtAxis(); - normal = cross % arrow_axis; - normal.normVec(); - } - else if (manip >= LL_YZ_PLANE && manip <= LL_XY_PLANE) - { - switch (manip) - { - case LL_YZ_PLANE: - normal = LLVector3::x_axis; - break; - case LL_XZ_PLANE: - normal = LLVector3::y_axis; - break; - case LL_XY_PLANE: - normal = LLVector3::z_axis; - break; - default: - break; - } - normal.rotVec(grid_rotation); - } - else - { - normal.clearVec(); - } -} - - -bool LLManip::getManipAxis(LLViewerObject* object, EManipPart manip, LLVector3 &axis) -{ - LLVector3 grid_origin; - LLVector3 grid_scale; - LLQuaternion grid_rotation; - - LLSelectMgr::getInstance()->getGrid(grid_origin, grid_rotation, grid_scale); - - if (manip == LL_X_ARROW) - { - axis = LLVector3::x_axis; - } - else if (manip == LL_Y_ARROW) - { - axis = LLVector3::y_axis; - } - else if (manip == LL_Z_ARROW) - { - axis = LLVector3::z_axis; - } - else - { - return false; - } - - axis.rotVec( grid_rotation ); - return true; -} - -F32 LLManip::getSubdivisionLevel(const LLVector3 &reference_point, const LLVector3 &translate_axis, F32 grid_scale, S32 min_pixel_spacing, F32 min_subdivisions, F32 max_subdivisions) -{ - //update current snap subdivision level - LLVector3 cam_to_reference; - if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD) - { - cam_to_reference = LLVector3(1.f / gAgentCamera.mHUDCurZoom, 0.f, 0.f); - } - else - { - cam_to_reference = reference_point - LLViewerCamera::getInstance()->getOrigin(); - } - F32 current_range = cam_to_reference.normVec(); - - F32 projected_translation_axis_length = (translate_axis % cam_to_reference).magVec(); - F32 subdivisions = llmax(projected_translation_axis_length * grid_scale / (current_range / LLViewerCamera::getInstance()->getPixelMeterRatio() * min_pixel_spacing), 0.f); - // figure out nearest power of 2 that subdivides grid_scale with result > min_pixel_spacing - subdivisions = llclamp((F32)pow(2.f, llfloor(log(subdivisions) / log(2.f))), min_subdivisions, max_subdivisions); - - return subdivisions; -} - -void LLManip::handleSelect() -{ - mObjectSelection = LLSelectMgr::getInstance()->getEditSelection(); -} - -void LLManip::handleDeselect() -{ - mHighlightedPart = LL_NO_PART; - mManipPart = LL_NO_PART; - mObjectSelection = NULL; -} - -LLObjectSelectionHandle LLManip::getSelection() -{ - return mObjectSelection; -} - -bool LLManip::handleHover(S32 x, S32 y, MASK mask) -{ - // We only handle the event if mousedown started with us - if( hasMouseCapture() ) - { - if( mObjectSelection->isEmpty() ) - { - // Somehow the object got deselected while we were dragging it. - // Release the mouse - setMouseCapture( false ); - } - - LL_DEBUGS("UserInput") << "hover handled by LLManip (active)" << LL_ENDL; - } - else - { - LL_DEBUGS("UserInput") << "hover handled by LLManip (inactive)" << LL_ENDL; - } - gViewerWindow->setCursor(UI_CURSOR_ARROW); - return true; -} - - -bool LLManip::handleMouseUp(S32 x, S32 y, MASK mask) -{ - bool handled = false; - if( hasMouseCapture() ) - { - handled = true; - setMouseCapture( false ); - } - return handled; -} - -void LLManip::updateGridSettings() -{ - sGridMaxSubdivisionLevel = gSavedSettings.getBOOL("GridSubUnit") ? (F32)gSavedSettings.getS32("GridSubdivision") : 1.f; -} - -bool LLManip::getMousePointOnPlaneAgent(LLVector3& point, S32 x, S32 y, LLVector3 origin, LLVector3 normal) -{ - LLVector3d origin_double = gAgent.getPosGlobalFromAgent(origin); - LLVector3d global_point; - bool result = getMousePointOnPlaneGlobal(global_point, x, y, origin_double, normal); - point = gAgent.getPosAgentFromGlobal(global_point); - return result; -} - -bool LLManip::getMousePointOnPlaneGlobal(LLVector3d& point, S32 x, S32 y, LLVector3d origin, LLVector3 normal) const -{ - if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD) - { - bool result = false; - F32 mouse_x = ((F32)x / gViewerWindow->getWorldViewWidthScaled() - 0.5f) * LLViewerCamera::getInstance()->getAspect() / gAgentCamera.mHUDCurZoom; - F32 mouse_y = ((F32)y / gViewerWindow->getWorldViewHeightScaled() - 0.5f) / gAgentCamera.mHUDCurZoom; - - LLVector3 origin_agent = gAgent.getPosAgentFromGlobal(origin); - LLVector3 mouse_pos = LLVector3(0.f, -mouse_x, mouse_y); - if (llabs(normal.mV[VX]) < 0.001f) - { - // use largish value that should be outside HUD manipulation range - mouse_pos.mV[VX] = 10.f; - } - else - { - mouse_pos.mV[VX] = (normal * (origin_agent - mouse_pos)) - / (normal.mV[VX]); - result = true; - } - - point = gAgent.getPosGlobalFromAgent(mouse_pos); - return result; - } - else - { - return gViewerWindow->mousePointOnPlaneGlobal( - point, x, y, origin, normal ); - } - - //return false; -} - -// Given the line defined by mouse cursor (a1 + a_param*(a2-a1)) and the line defined by b1 + b_param*(b2-b1), -// returns a_param and b_param for the points where lines are closest to each other. -// Returns false if the two lines are parallel. -bool LLManip::nearestPointOnLineFromMouse( S32 x, S32 y, const LLVector3& b1, const LLVector3& b2, F32 &a_param, F32 &b_param ) -{ - LLVector3 a1; - LLVector3 a2; - - if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD) - { - F32 mouse_x = (((F32)x / gViewerWindow->getWindowWidthScaled()) - 0.5f) * LLViewerCamera::getInstance()->getAspect() / gAgentCamera.mHUDCurZoom; - F32 mouse_y = (((F32)y / gViewerWindow->getWindowHeightScaled()) - 0.5f) / gAgentCamera.mHUDCurZoom; - a1 = LLVector3(llmin(b1.mV[VX] - 0.1f, b2.mV[VX] - 0.1f, 0.f), -mouse_x, mouse_y); - a2 = a1 + LLVector3(1.f, 0.f, 0.f); - } - else - { - a1 = gAgentCamera.getCameraPositionAgent(); - a2 = gAgentCamera.getCameraPositionAgent() + LLVector3(gViewerWindow->mouseDirectionGlobal(x, y)); - } - - bool parallel = true; - LLVector3 a = a2 - a1; - LLVector3 b = b2 - b1; - - LLVector3 normal; - F32 dist, denom; - normal = (b % a) % b; // normal to plane (P) through b and (shortest line between a and b) - normal.normVec(); - dist = b1 * normal; // distance from origin to P - - denom = normal * a; - if( (denom < -F_APPROXIMATELY_ZERO) || (F_APPROXIMATELY_ZERO < denom) ) - { - a_param = (dist - normal * a1) / denom; - parallel = false; - } - - normal = (a % b) % a; // normal to plane (P) through a and (shortest line between a and b) - normal.normVec(); - dist = a1 * normal; // distance from origin to P - denom = normal * b; - if( (denom < -F_APPROXIMATELY_ZERO) || (F_APPROXIMATELY_ZERO < denom) ) - { - b_param = (dist - normal * b1) / denom; - parallel = false; - } - - return parallel; -} - -LLVector3 LLManip::getSavedPivotPoint() const -{ - return LLSelectMgr::getInstance()->getSavedBBoxOfSelection().getCenterAgent(); -} - -LLVector3 LLManip::getPivotPoint() -{ - if (mObjectSelection->getFirstObject() && mObjectSelection->getObjectCount() == 1 && mObjectSelection->getSelectType() != SELECT_TYPE_HUD) - { - return mObjectSelection->getFirstObject()->getPivotPositionAgent(); - } - return LLSelectMgr::getInstance()->getBBoxOfSelection().getCenterAgent(); -} - - -void LLManip::renderGuidelines(bool draw_x, bool draw_y, bool draw_z) -{ - LLVector3 grid_origin; - LLQuaternion grid_rot; - LLVector3 grid_scale; - LLSelectMgr::getInstance()->getGrid(grid_origin, grid_rot, grid_scale); - - const bool children_ok = true; - LLViewerObject* object = mObjectSelection->getFirstRootObject(children_ok); - if (!object) - { - return; - } - - //LLVector3 center_agent = LLSelectMgr::getInstance()->getBBoxOfSelection().getCenterAgent(); - LLVector3 center_agent = getPivotPoint(); - - gGL.pushMatrix(); - { - gGL.translatef(center_agent.mV[VX], center_agent.mV[VY], center_agent.mV[VZ]); - - F32 angle_radians, x, y, z; - - grid_rot.getAngleAxis(&angle_radians, &x, &y, &z); - gGL.rotatef(angle_radians * RAD_TO_DEG, x, y, z); - - F32 region_size = LLWorld::getInstance()->getRegionWidthInMeters(); - - const F32 LINE_ALPHA = 0.33f; - - gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); - LLUI::setLineWidth(1.5f); - - if (draw_x) - { - gGL.color4f(1.f, 0.f, 0.f, LINE_ALPHA); - gGL.begin(LLRender::LINES); - gGL.vertex3f( -region_size, 0.f, 0.f ); - gGL.vertex3f( region_size, 0.f, 0.f ); - gGL.end(); - } - - if (draw_y) - { - gGL.color4f(0.f, 1.f, 0.f, LINE_ALPHA); - gGL.begin(LLRender::LINES); - gGL.vertex3f( 0.f, -region_size, 0.f ); - gGL.vertex3f( 0.f, region_size, 0.f ); - gGL.end(); - } - - if (draw_z) - { - gGL.color4f(0.f, 0.f, 1.f, LINE_ALPHA); - gGL.begin(LLRender::LINES); - gGL.vertex3f( 0.f, 0.f, -region_size ); - gGL.vertex3f( 0.f, 0.f, region_size ); - gGL.end(); - } - LLUI::setLineWidth(1.0f); - } - gGL.popMatrix(); -} - -void LLManip::renderXYZ(const LLVector3 &vec) -{ - const S32 PAD = 10; - std::string feedback_string; - S32 window_center_x = gViewerWindow->getWorldViewRectScaled().getWidth() / 2; - S32 window_center_y = gViewerWindow->getWorldViewRectScaled().getHeight() / 2; - S32 vertical_offset = window_center_y - VERTICAL_OFFSET; - - - gGL.pushMatrix(); - { - LLUIImagePtr imagep = LLUI::getUIImage("Rounded_Square"); - gViewerWindow->setup2DRender(); - const LLVector2& display_scale = gViewerWindow->getDisplayScale(); - gGL.color4f(0.f, 0.f, 0.f, 0.7f); - - imagep->draw( - (window_center_x - 115) * display_scale.mV[VX], - (window_center_y + vertical_offset - PAD) * display_scale.mV[VY], - 235 * display_scale.mV[VX], - (PAD * 2 + 10) * display_scale.mV[VY], - LLColor4(0.f, 0.f, 0.f, 0.7f) ); - - LLFontGL* font = LLFontGL::getFontSansSerif(); - LLLocale locale(LLLocale::USER_LOCALE); - LLGLDepthTest gls_depth(GL_FALSE); - - // render drop shadowed text (manually because of bigger 'distance') - F32 right_x; - feedback_string = llformat("X: %.3f", vec.mV[VX]); - font->render(utf8str_to_wstring(feedback_string), 0, window_center_x - 102.f + 1.f, window_center_y + vertical_offset - 2.f, LLColor4::black, - LLFontGL::LEFT, LLFontGL::BASELINE, - LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, 1000, &right_x); - - feedback_string = llformat("Y: %.3f", vec.mV[VY]); - font->render(utf8str_to_wstring(feedback_string), 0, window_center_x - 27.f + 1.f, window_center_y + vertical_offset - 2.f, LLColor4::black, - LLFontGL::LEFT, LLFontGL::BASELINE, - LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, 1000, &right_x); - - feedback_string = llformat("Z: %.3f", vec.mV[VZ]); - font->render(utf8str_to_wstring(feedback_string), 0, window_center_x + 48.f + 1.f, window_center_y + vertical_offset - 2.f, LLColor4::black, - LLFontGL::LEFT, LLFontGL::BASELINE, - LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, 1000, &right_x); - - // render text on top - feedback_string = llformat("X: %.3f", vec.mV[VX]); - font->render(utf8str_to_wstring(feedback_string), 0, window_center_x - 102.f, window_center_y + vertical_offset, LLColor4(1.f, 0.5f, 0.5f, 1.f), - LLFontGL::LEFT, LLFontGL::BASELINE, - LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, 1000, &right_x); - - feedback_string = llformat("Y: %.3f", vec.mV[VY]); - font->render(utf8str_to_wstring(feedback_string), 0, window_center_x - 27.f, window_center_y + vertical_offset, LLColor4(0.5f, 1.f, 0.5f, 1.f), - LLFontGL::LEFT, LLFontGL::BASELINE, - LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, 1000, &right_x); - - feedback_string = llformat("Z: %.3f", vec.mV[VZ]); - font->render(utf8str_to_wstring(feedback_string), 0, window_center_x + 48.f, window_center_y + vertical_offset, LLColor4(0.5f, 0.5f, 1.f, 1.f), - LLFontGL::LEFT, LLFontGL::BASELINE, - LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, 1000, &right_x); - } - gGL.popMatrix(); - - gViewerWindow->setup3DRender(); -} - -void LLManip::renderTickText(const LLVector3& pos, const std::string& text, const LLColor4 &color) -{ - const LLFontGL* big_fontp = LLFontGL::getFontSansSerif(); - - bool hud_selection = mObjectSelection->getSelectType() == SELECT_TYPE_HUD; - gGL.matrixMode(LLRender::MM_MODELVIEW); - gGL.pushMatrix(); - LLVector3 render_pos = pos; - if (hud_selection) - { - F32 zoom_amt = gAgentCamera.mHUDCurZoom; - F32 inv_zoom_amt = 1.f / zoom_amt; - // scale text back up to counter-act zoom level - render_pos = pos * zoom_amt; - gGL.scalef(inv_zoom_amt, inv_zoom_amt, inv_zoom_amt); - } - - // render shadow first - LLColor4 shadow_color = LLColor4::black; - shadow_color.mV[VALPHA] = color.mV[VALPHA] * 0.5f; - gViewerWindow->setup3DViewport(1, -1); - hud_render_utf8text(text, render_pos, *big_fontp, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, -0.5f * big_fontp->getWidthF32(text), 3.f, shadow_color, mObjectSelection->getSelectType() == SELECT_TYPE_HUD); - gViewerWindow->setup3DViewport(); - hud_render_utf8text(text, render_pos, *big_fontp, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, -0.5f * big_fontp->getWidthF32(text), 3.f, color, mObjectSelection->getSelectType() == SELECT_TYPE_HUD); - - gGL.popMatrix(); -} - -void LLManip::renderTickValue(const LLVector3& pos, F32 value, const std::string& suffix, const LLColor4 &color) -{ - LLLocale locale(LLLocale::USER_LOCALE); - - const LLFontGL* big_fontp = LLFontGL::getFontSansSerif(); - const LLFontGL* small_fontp = LLFontGL::getFontSansSerifSmall(); - - std::string val_string; - std::string fraction_string; - F32 val_to_print = ll_round(value, 0.001f); - S32 fractional_portion = ll_round(fmodf(llabs(val_to_print), 1.f) * 100.f); - if (val_to_print < 0.f) - { - if (fractional_portion == 0) - { - val_string = llformat("-%d%s", lltrunc(llabs(val_to_print)), suffix.c_str()); - } - else - { - val_string = llformat("-%d", lltrunc(llabs(val_to_print))); - } - } - else - { - if (fractional_portion == 0) - { - val_string = llformat("%d%s", lltrunc(llabs(val_to_print)), suffix.c_str()); - } - else - { - val_string = llformat("%d", lltrunc(val_to_print)); - } - } - - bool hud_selection = mObjectSelection->getSelectType() == SELECT_TYPE_HUD; - gGL.matrixMode(LLRender::MM_MODELVIEW); - gGL.pushMatrix(); - { - LLVector3 render_pos = pos; - if (hud_selection) - { - F32 zoom_amt = gAgentCamera.mHUDCurZoom; - F32 inv_zoom_amt = 1.f / zoom_amt; - // scale text back up to counter-act zoom level - render_pos = pos * zoom_amt; - gGL.scalef(inv_zoom_amt, inv_zoom_amt, inv_zoom_amt); - } - - LLColor4 shadow_color = LLColor4::black; - shadow_color.mV[VALPHA] = color.mV[VALPHA] * 0.5f; - - if (fractional_portion != 0) - { - fraction_string = llformat("%c%02d%s", LLResMgr::getInstance()->getDecimalPoint(), fractional_portion, suffix.c_str()); - - hud_render_utf8text(val_string, render_pos, *big_fontp, LLFontGL::NORMAL, LLFontGL::DROP_SHADOW, -1.f * big_fontp->getWidthF32(val_string), 3.f, color, hud_selection); - hud_render_utf8text(fraction_string, render_pos, *small_fontp, LLFontGL::NORMAL, LLFontGL::DROP_SHADOW, 1.f, 3.f, color, hud_selection); - } - else - { - hud_render_utf8text(val_string, render_pos, *big_fontp, LLFontGL::NORMAL, LLFontGL::DROP_SHADOW, -0.5f * big_fontp->getWidthF32(val_string), 3.f, color, hud_selection); - } - } - gGL.popMatrix(); -} - -LLColor4 LLManip::setupSnapGuideRenderPass(S32 pass) -{ - static LLColor4 grid_color_fg = LLUIColorTable::instance().getColor("GridlineColor"); - static LLColor4 grid_color_bg = LLUIColorTable::instance().getColor("GridlineBGColor"); - static LLColor4 grid_color_shadow = LLUIColorTable::instance().getColor("GridlineShadowColor"); - - LLColor4 line_color; - F32 line_alpha = gSavedSettings.getF32("GridOpacity"); - - switch(pass) - { - case 0: - // shadow - gViewerWindow->setup3DViewport(1, -1); - line_color = grid_color_shadow; - line_color.mV[VALPHA] *= line_alpha; - LLUI::setLineWidth(2.f); - break; - case 1: - // hidden lines - gViewerWindow->setup3DViewport(); - line_color = grid_color_bg; - line_color.mV[VALPHA] *= line_alpha; - LLUI::setLineWidth(1.f); - break; - case 2: - // visible lines - line_color = grid_color_fg; - line_color.mV[VALPHA] *= line_alpha; - break; - } - - return line_color; -} +/**
+ * @file llmanip.cpp
+ * @brief LLManip class implementation
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llmanip.h"
+
+#include "llmath.h"
+#include "v3math.h"
+#include "llgl.h"
+#include "llrender.h"
+#include "llprimitive.h"
+#include "llview.h"
+#include "llviewertexturelist.h"
+
+#include "llagent.h"
+#include "llagentcamera.h"
+#include "llviewercontrol.h"
+#include "lldrawable.h"
+#include "llfontgl.h"
+#include "llhudrender.h"
+#include "llselectmgr.h"
+#include "llui.h"
+#include "llviewercamera.h"
+#include "llviewerjoint.h"
+#include "llviewerobject.h"
+#include "llviewerwindow.h"
+#include "llvoavatar.h"
+#include "llworld.h" // for LLWorld::getInstance()
+#include "llresmgr.h"
+#include "pipeline.h"
+#include "llglheaders.h"
+#include "lluiimage.h"
+// Local constants...
+const S32 VERTICAL_OFFSET = 50;
+
+F32 LLManip::sHelpTextVisibleTime = 2.f;
+F32 LLManip::sHelpTextFadeTime = 2.f;
+S32 LLManip::sNumTimesHelpTextShown = 0;
+S32 LLManip::sMaxTimesShowHelpText = 5;
+F32 LLManip::sGridMaxSubdivisionLevel = 32.f;
+F32 LLManip::sGridMinSubdivisionLevel = 1.f / 32.f;
+LLVector2 LLManip::sTickLabelSpacing(60.f, 25.f);
+
+
+//static
+void LLManip::rebuild(LLViewerObject* vobj)
+{
+ LLDrawable* drawablep = vobj->mDrawable;
+ if (drawablep && drawablep->getVOVolume())
+ {
+ gPipeline.markRebuild(drawablep,LLDrawable::REBUILD_VOLUME);
+ drawablep->setState(LLDrawable::MOVE_UNDAMPED); // force to UNDAMPED
+ drawablep->updateMove();
+ LLSpatialGroup* group = drawablep->getSpatialGroup();
+ if (group)
+ {
+ group->dirtyGeom();
+ gPipeline.markRebuild(group);
+ }
+
+ LLViewerObject::const_child_list_t& child_list = vobj->getChildren();
+ for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin(), endIter = child_list.end();
+ iter != endIter; ++iter)
+ {
+ LLViewerObject* child = *iter;
+ rebuild(child);
+ }
+ }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+// LLManip
+
+
+LLManip::LLManip( const std::string& name, LLToolComposite* composite )
+ :
+ LLTool( name, composite ),
+ mInSnapRegime(false),
+ mHighlightedPart(LL_NO_PART),
+ mManipPart(LL_NO_PART)
+{
+}
+
+void LLManip::getManipNormal(LLViewerObject* object, EManipPart manip, LLVector3 &normal)
+{
+ LLVector3 grid_origin;
+ LLVector3 grid_scale;
+ LLQuaternion grid_rotation;
+
+ LLSelectMgr::getInstance()->getGrid(grid_origin, grid_rotation, grid_scale);
+
+ if (manip >= LL_X_ARROW && manip <= LL_Z_ARROW)
+ {
+ LLVector3 arrow_axis;
+ getManipAxis(object, manip, arrow_axis);
+
+ LLVector3 cross = arrow_axis % LLViewerCamera::getInstance()->getAtAxis();
+ normal = cross % arrow_axis;
+ normal.normVec();
+ }
+ else if (manip >= LL_YZ_PLANE && manip <= LL_XY_PLANE)
+ {
+ switch (manip)
+ {
+ case LL_YZ_PLANE:
+ normal = LLVector3::x_axis;
+ break;
+ case LL_XZ_PLANE:
+ normal = LLVector3::y_axis;
+ break;
+ case LL_XY_PLANE:
+ normal = LLVector3::z_axis;
+ break;
+ default:
+ break;
+ }
+ normal.rotVec(grid_rotation);
+ }
+ else
+ {
+ normal.clearVec();
+ }
+}
+
+
+bool LLManip::getManipAxis(LLViewerObject* object, EManipPart manip, LLVector3 &axis)
+{
+ LLVector3 grid_origin;
+ LLVector3 grid_scale;
+ LLQuaternion grid_rotation;
+
+ LLSelectMgr::getInstance()->getGrid(grid_origin, grid_rotation, grid_scale);
+
+ if (manip == LL_X_ARROW)
+ {
+ axis = LLVector3::x_axis;
+ }
+ else if (manip == LL_Y_ARROW)
+ {
+ axis = LLVector3::y_axis;
+ }
+ else if (manip == LL_Z_ARROW)
+ {
+ axis = LLVector3::z_axis;
+ }
+ else
+ {
+ return false;
+ }
+
+ axis.rotVec( grid_rotation );
+ return true;
+}
+
+F32 LLManip::getSubdivisionLevel(const LLVector3 &reference_point, const LLVector3 &translate_axis, F32 grid_scale, S32 min_pixel_spacing, F32 min_subdivisions, F32 max_subdivisions)
+{
+ //update current snap subdivision level
+ LLVector3 cam_to_reference;
+ if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD)
+ {
+ cam_to_reference = LLVector3(1.f / gAgentCamera.mHUDCurZoom, 0.f, 0.f);
+ }
+ else
+ {
+ cam_to_reference = reference_point - LLViewerCamera::getInstance()->getOrigin();
+ }
+ F32 current_range = cam_to_reference.normVec();
+
+ F32 projected_translation_axis_length = (translate_axis % cam_to_reference).magVec();
+ F32 subdivisions = llmax(projected_translation_axis_length * grid_scale / (current_range / LLViewerCamera::getInstance()->getPixelMeterRatio() * min_pixel_spacing), 0.f);
+ // figure out nearest power of 2 that subdivides grid_scale with result > min_pixel_spacing
+ subdivisions = llclamp((F32)pow(2.f, llfloor(log(subdivisions) / log(2.f))), min_subdivisions, max_subdivisions);
+
+ return subdivisions;
+}
+
+void LLManip::handleSelect()
+{
+ mObjectSelection = LLSelectMgr::getInstance()->getEditSelection();
+}
+
+void LLManip::handleDeselect()
+{
+ mHighlightedPart = LL_NO_PART;
+ mManipPart = LL_NO_PART;
+ mObjectSelection = NULL;
+}
+
+LLObjectSelectionHandle LLManip::getSelection()
+{
+ return mObjectSelection;
+}
+
+bool LLManip::handleHover(S32 x, S32 y, MASK mask)
+{
+ // We only handle the event if mousedown started with us
+ if( hasMouseCapture() )
+ {
+ if( mObjectSelection->isEmpty() )
+ {
+ // Somehow the object got deselected while we were dragging it.
+ // Release the mouse
+ setMouseCapture( false );
+ }
+
+ LL_DEBUGS("UserInput") << "hover handled by LLManip (active)" << LL_ENDL;
+ }
+ else
+ {
+ LL_DEBUGS("UserInput") << "hover handled by LLManip (inactive)" << LL_ENDL;
+ }
+ gViewerWindow->setCursor(UI_CURSOR_ARROW);
+ return true;
+}
+
+
+bool LLManip::handleMouseUp(S32 x, S32 y, MASK mask)
+{
+ bool handled = false;
+ if( hasMouseCapture() )
+ {
+ handled = true;
+ setMouseCapture( false );
+ }
+ return handled;
+}
+
+void LLManip::updateGridSettings()
+{
+ sGridMaxSubdivisionLevel = gSavedSettings.getBOOL("GridSubUnit") ? (F32)gSavedSettings.getS32("GridSubdivision") : 1.f;
+}
+
+bool LLManip::getMousePointOnPlaneAgent(LLVector3& point, S32 x, S32 y, LLVector3 origin, LLVector3 normal)
+{
+ LLVector3d origin_double = gAgent.getPosGlobalFromAgent(origin);
+ LLVector3d global_point;
+ bool result = getMousePointOnPlaneGlobal(global_point, x, y, origin_double, normal);
+ point = gAgent.getPosAgentFromGlobal(global_point);
+ return result;
+}
+
+bool LLManip::getMousePointOnPlaneGlobal(LLVector3d& point, S32 x, S32 y, LLVector3d origin, LLVector3 normal) const
+{
+ if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD)
+ {
+ bool result = false;
+ F32 mouse_x = ((F32)x / gViewerWindow->getWorldViewWidthScaled() - 0.5f) * LLViewerCamera::getInstance()->getAspect() / gAgentCamera.mHUDCurZoom;
+ F32 mouse_y = ((F32)y / gViewerWindow->getWorldViewHeightScaled() - 0.5f) / gAgentCamera.mHUDCurZoom;
+
+ LLVector3 origin_agent = gAgent.getPosAgentFromGlobal(origin);
+ LLVector3 mouse_pos = LLVector3(0.f, -mouse_x, mouse_y);
+ if (llabs(normal.mV[VX]) < 0.001f)
+ {
+ // use largish value that should be outside HUD manipulation range
+ mouse_pos.mV[VX] = 10.f;
+ }
+ else
+ {
+ mouse_pos.mV[VX] = (normal * (origin_agent - mouse_pos))
+ / (normal.mV[VX]);
+ result = true;
+ }
+
+ point = gAgent.getPosGlobalFromAgent(mouse_pos);
+ return result;
+ }
+ else
+ {
+ return gViewerWindow->mousePointOnPlaneGlobal(
+ point, x, y, origin, normal );
+ }
+
+ //return false;
+}
+
+// Given the line defined by mouse cursor (a1 + a_param*(a2-a1)) and the line defined by b1 + b_param*(b2-b1),
+// returns a_param and b_param for the points where lines are closest to each other.
+// Returns false if the two lines are parallel.
+bool LLManip::nearestPointOnLineFromMouse( S32 x, S32 y, const LLVector3& b1, const LLVector3& b2, F32 &a_param, F32 &b_param )
+{
+ LLVector3 a1;
+ LLVector3 a2;
+
+ if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD)
+ {
+ F32 mouse_x = (((F32)x / gViewerWindow->getWindowWidthScaled()) - 0.5f) * LLViewerCamera::getInstance()->getAspect() / gAgentCamera.mHUDCurZoom;
+ F32 mouse_y = (((F32)y / gViewerWindow->getWindowHeightScaled()) - 0.5f) / gAgentCamera.mHUDCurZoom;
+ a1 = LLVector3(llmin(b1.mV[VX] - 0.1f, b2.mV[VX] - 0.1f, 0.f), -mouse_x, mouse_y);
+ a2 = a1 + LLVector3(1.f, 0.f, 0.f);
+ }
+ else
+ {
+ a1 = gAgentCamera.getCameraPositionAgent();
+ a2 = gAgentCamera.getCameraPositionAgent() + LLVector3(gViewerWindow->mouseDirectionGlobal(x, y));
+ }
+
+ bool parallel = true;
+ LLVector3 a = a2 - a1;
+ LLVector3 b = b2 - b1;
+
+ LLVector3 normal;
+ F32 dist, denom;
+ normal = (b % a) % b; // normal to plane (P) through b and (shortest line between a and b)
+ normal.normVec();
+ dist = b1 * normal; // distance from origin to P
+
+ denom = normal * a;
+ if( (denom < -F_APPROXIMATELY_ZERO) || (F_APPROXIMATELY_ZERO < denom) )
+ {
+ a_param = (dist - normal * a1) / denom;
+ parallel = false;
+ }
+
+ normal = (a % b) % a; // normal to plane (P) through a and (shortest line between a and b)
+ normal.normVec();
+ dist = a1 * normal; // distance from origin to P
+ denom = normal * b;
+ if( (denom < -F_APPROXIMATELY_ZERO) || (F_APPROXIMATELY_ZERO < denom) )
+ {
+ b_param = (dist - normal * b1) / denom;
+ parallel = false;
+ }
+
+ return parallel;
+}
+
+LLVector3 LLManip::getSavedPivotPoint() const
+{
+ return LLSelectMgr::getInstance()->getSavedBBoxOfSelection().getCenterAgent();
+}
+
+LLVector3 LLManip::getPivotPoint()
+{
+ if (mObjectSelection->getFirstObject() && mObjectSelection->getObjectCount() == 1 && mObjectSelection->getSelectType() != SELECT_TYPE_HUD)
+ {
+ return mObjectSelection->getFirstObject()->getPivotPositionAgent();
+ }
+ return LLSelectMgr::getInstance()->getBBoxOfSelection().getCenterAgent();
+}
+
+
+void LLManip::renderGuidelines(bool draw_x, bool draw_y, bool draw_z)
+{
+ LLVector3 grid_origin;
+ LLQuaternion grid_rot;
+ LLVector3 grid_scale;
+ LLSelectMgr::getInstance()->getGrid(grid_origin, grid_rot, grid_scale);
+
+ const bool children_ok = true;
+ LLViewerObject* object = mObjectSelection->getFirstRootObject(children_ok);
+ if (!object)
+ {
+ return;
+ }
+
+ //LLVector3 center_agent = LLSelectMgr::getInstance()->getBBoxOfSelection().getCenterAgent();
+ LLVector3 center_agent = getPivotPoint();
+
+ gGL.pushMatrix();
+ {
+ gGL.translatef(center_agent.mV[VX], center_agent.mV[VY], center_agent.mV[VZ]);
+
+ F32 angle_radians, x, y, z;
+
+ grid_rot.getAngleAxis(&angle_radians, &x, &y, &z);
+ gGL.rotatef(angle_radians * RAD_TO_DEG, x, y, z);
+
+ F32 region_size = LLWorld::getInstance()->getRegionWidthInMeters();
+
+ const F32 LINE_ALPHA = 0.33f;
+
+ gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+ LLUI::setLineWidth(1.5f);
+
+ if (draw_x)
+ {
+ gGL.color4f(1.f, 0.f, 0.f, LINE_ALPHA);
+ gGL.begin(LLRender::LINES);
+ gGL.vertex3f( -region_size, 0.f, 0.f );
+ gGL.vertex3f( region_size, 0.f, 0.f );
+ gGL.end();
+ }
+
+ if (draw_y)
+ {
+ gGL.color4f(0.f, 1.f, 0.f, LINE_ALPHA);
+ gGL.begin(LLRender::LINES);
+ gGL.vertex3f( 0.f, -region_size, 0.f );
+ gGL.vertex3f( 0.f, region_size, 0.f );
+ gGL.end();
+ }
+
+ if (draw_z)
+ {
+ gGL.color4f(0.f, 0.f, 1.f, LINE_ALPHA);
+ gGL.begin(LLRender::LINES);
+ gGL.vertex3f( 0.f, 0.f, -region_size );
+ gGL.vertex3f( 0.f, 0.f, region_size );
+ gGL.end();
+ }
+ LLUI::setLineWidth(1.0f);
+ }
+ gGL.popMatrix();
+}
+
+void LLManip::renderXYZ(const LLVector3 &vec)
+{
+ const S32 PAD = 10;
+ std::string feedback_string;
+ S32 window_center_x = gViewerWindow->getWorldViewRectScaled().getWidth() / 2;
+ S32 window_center_y = gViewerWindow->getWorldViewRectScaled().getHeight() / 2;
+ S32 vertical_offset = window_center_y - VERTICAL_OFFSET;
+
+
+ gGL.pushMatrix();
+ {
+ LLUIImagePtr imagep = LLUI::getUIImage("Rounded_Square");
+ gViewerWindow->setup2DRender();
+ const LLVector2& display_scale = gViewerWindow->getDisplayScale();
+ gGL.color4f(0.f, 0.f, 0.f, 0.7f);
+
+ imagep->draw(
+ (window_center_x - 115) * display_scale.mV[VX],
+ (window_center_y + vertical_offset - PAD) * display_scale.mV[VY],
+ 235 * display_scale.mV[VX],
+ (PAD * 2 + 10) * display_scale.mV[VY],
+ LLColor4(0.f, 0.f, 0.f, 0.7f) );
+
+ LLFontGL* font = LLFontGL::getFontSansSerif();
+ LLLocale locale(LLLocale::USER_LOCALE);
+ LLGLDepthTest gls_depth(GL_FALSE);
+
+ // render drop shadowed text (manually because of bigger 'distance')
+ F32 right_x;
+ feedback_string = llformat("X: %.3f", vec.mV[VX]);
+ font->render(utf8str_to_wstring(feedback_string), 0, window_center_x - 102.f + 1.f, window_center_y + vertical_offset - 2.f, LLColor4::black,
+ LLFontGL::LEFT, LLFontGL::BASELINE,
+ LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, 1000, &right_x);
+
+ feedback_string = llformat("Y: %.3f", vec.mV[VY]);
+ font->render(utf8str_to_wstring(feedback_string), 0, window_center_x - 27.f + 1.f, window_center_y + vertical_offset - 2.f, LLColor4::black,
+ LLFontGL::LEFT, LLFontGL::BASELINE,
+ LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, 1000, &right_x);
+
+ feedback_string = llformat("Z: %.3f", vec.mV[VZ]);
+ font->render(utf8str_to_wstring(feedback_string), 0, window_center_x + 48.f + 1.f, window_center_y + vertical_offset - 2.f, LLColor4::black,
+ LLFontGL::LEFT, LLFontGL::BASELINE,
+ LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, 1000, &right_x);
+
+ // render text on top
+ feedback_string = llformat("X: %.3f", vec.mV[VX]);
+ font->render(utf8str_to_wstring(feedback_string), 0, window_center_x - 102.f, window_center_y + vertical_offset, LLColor4(1.f, 0.5f, 0.5f, 1.f),
+ LLFontGL::LEFT, LLFontGL::BASELINE,
+ LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, 1000, &right_x);
+
+ feedback_string = llformat("Y: %.3f", vec.mV[VY]);
+ font->render(utf8str_to_wstring(feedback_string), 0, window_center_x - 27.f, window_center_y + vertical_offset, LLColor4(0.5f, 1.f, 0.5f, 1.f),
+ LLFontGL::LEFT, LLFontGL::BASELINE,
+ LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, 1000, &right_x);
+
+ feedback_string = llformat("Z: %.3f", vec.mV[VZ]);
+ font->render(utf8str_to_wstring(feedback_string), 0, window_center_x + 48.f, window_center_y + vertical_offset, LLColor4(0.5f, 0.5f, 1.f, 1.f),
+ LLFontGL::LEFT, LLFontGL::BASELINE,
+ LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, 1000, &right_x);
+ }
+ gGL.popMatrix();
+
+ gViewerWindow->setup3DRender();
+}
+
+void LLManip::renderTickText(const LLVector3& pos, const std::string& text, const LLColor4 &color)
+{
+ const LLFontGL* big_fontp = LLFontGL::getFontSansSerif();
+
+ bool hud_selection = mObjectSelection->getSelectType() == SELECT_TYPE_HUD;
+ gGL.matrixMode(LLRender::MM_MODELVIEW);
+ gGL.pushMatrix();
+ LLVector3 render_pos = pos;
+ if (hud_selection)
+ {
+ F32 zoom_amt = gAgentCamera.mHUDCurZoom;
+ F32 inv_zoom_amt = 1.f / zoom_amt;
+ // scale text back up to counter-act zoom level
+ render_pos = pos * zoom_amt;
+ gGL.scalef(inv_zoom_amt, inv_zoom_amt, inv_zoom_amt);
+ }
+
+ // render shadow first
+ LLColor4 shadow_color = LLColor4::black;
+ shadow_color.mV[VALPHA] = color.mV[VALPHA] * 0.5f;
+ gViewerWindow->setup3DViewport(1, -1);
+ hud_render_utf8text(text, render_pos, *big_fontp, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, -0.5f * big_fontp->getWidthF32(text), 3.f, shadow_color, mObjectSelection->getSelectType() == SELECT_TYPE_HUD);
+ gViewerWindow->setup3DViewport();
+ hud_render_utf8text(text, render_pos, *big_fontp, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, -0.5f * big_fontp->getWidthF32(text), 3.f, color, mObjectSelection->getSelectType() == SELECT_TYPE_HUD);
+
+ gGL.popMatrix();
+}
+
+void LLManip::renderTickValue(const LLVector3& pos, F32 value, const std::string& suffix, const LLColor4 &color)
+{
+ LLLocale locale(LLLocale::USER_LOCALE);
+
+ const LLFontGL* big_fontp = LLFontGL::getFontSansSerif();
+ const LLFontGL* small_fontp = LLFontGL::getFontSansSerifSmall();
+
+ std::string val_string;
+ std::string fraction_string;
+ F32 val_to_print = ll_round(value, 0.001f);
+ S32 fractional_portion = ll_round(fmodf(llabs(val_to_print), 1.f) * 100.f);
+ if (val_to_print < 0.f)
+ {
+ if (fractional_portion == 0)
+ {
+ val_string = llformat("-%d%s", lltrunc(llabs(val_to_print)), suffix.c_str());
+ }
+ else
+ {
+ val_string = llformat("-%d", lltrunc(llabs(val_to_print)));
+ }
+ }
+ else
+ {
+ if (fractional_portion == 0)
+ {
+ val_string = llformat("%d%s", lltrunc(llabs(val_to_print)), suffix.c_str());
+ }
+ else
+ {
+ val_string = llformat("%d", lltrunc(val_to_print));
+ }
+ }
+
+ bool hud_selection = mObjectSelection->getSelectType() == SELECT_TYPE_HUD;
+ gGL.matrixMode(LLRender::MM_MODELVIEW);
+ gGL.pushMatrix();
+ {
+ LLVector3 render_pos = pos;
+ if (hud_selection)
+ {
+ F32 zoom_amt = gAgentCamera.mHUDCurZoom;
+ F32 inv_zoom_amt = 1.f / zoom_amt;
+ // scale text back up to counter-act zoom level
+ render_pos = pos * zoom_amt;
+ gGL.scalef(inv_zoom_amt, inv_zoom_amt, inv_zoom_amt);
+ }
+
+ LLColor4 shadow_color = LLColor4::black;
+ shadow_color.mV[VALPHA] = color.mV[VALPHA] * 0.5f;
+
+ if (fractional_portion != 0)
+ {
+ fraction_string = llformat("%c%02d%s", LLResMgr::getInstance()->getDecimalPoint(), fractional_portion, suffix.c_str());
+
+ hud_render_utf8text(val_string, render_pos, *big_fontp, LLFontGL::NORMAL, LLFontGL::DROP_SHADOW, -1.f * big_fontp->getWidthF32(val_string), 3.f, color, hud_selection);
+ hud_render_utf8text(fraction_string, render_pos, *small_fontp, LLFontGL::NORMAL, LLFontGL::DROP_SHADOW, 1.f, 3.f, color, hud_selection);
+ }
+ else
+ {
+ hud_render_utf8text(val_string, render_pos, *big_fontp, LLFontGL::NORMAL, LLFontGL::DROP_SHADOW, -0.5f * big_fontp->getWidthF32(val_string), 3.f, color, hud_selection);
+ }
+ }
+ gGL.popMatrix();
+}
+
+LLColor4 LLManip::setupSnapGuideRenderPass(S32 pass)
+{
+ static LLColor4 grid_color_fg = LLUIColorTable::instance().getColor("GridlineColor");
+ static LLColor4 grid_color_bg = LLUIColorTable::instance().getColor("GridlineBGColor");
+ static LLColor4 grid_color_shadow = LLUIColorTable::instance().getColor("GridlineShadowColor");
+
+ LLColor4 line_color;
+ F32 line_alpha = gSavedSettings.getF32("GridOpacity");
+
+ switch(pass)
+ {
+ case 0:
+ // shadow
+ gViewerWindow->setup3DViewport(1, -1);
+ line_color = grid_color_shadow;
+ line_color.mV[VALPHA] *= line_alpha;
+ LLUI::setLineWidth(2.f);
+ break;
+ case 1:
+ // hidden lines
+ gViewerWindow->setup3DViewport();
+ line_color = grid_color_bg;
+ line_color.mV[VALPHA] *= line_alpha;
+ LLUI::setLineWidth(1.f);
+ break;
+ case 2:
+ // visible lines
+ line_color = grid_color_fg;
+ line_color.mV[VALPHA] *= line_alpha;
+ break;
+ }
+
+ return line_color;
+}
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