llmanip.cpp
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- /**
- * @file llmanip.cpp
- * @brief LLManip class implementation
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #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 "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"
- // 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;
- 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, TRUE);
- drawablep->setState(LLDrawable::MOVE_UNDAMPED); // force to UNDAMPED
- drawablep->updateMove();
- LLSpatialGroup* group = drawablep->getSpatialGroup();
- if (group)
- {
- group->dirtyGeom();
- gPipeline.markRebuild(group, TRUE);
- }
- }
- }
- //////////////////////////////////////////////////////////////////////////////
- // 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)
- {
- //update current snap subdivision level
- LLVector3 cam_to_reference;
- if (mObjectSelection->getSelectType() == SELECT_TYPE_HUD)
- {
- cam_to_reference = LLVector3(1.f / gAgent.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);
- subdivisions = llclamp((F32)pow(2.f, llfloor(log(subdivisions) / log(2.f))), 1.f / 32.f, 32.f);
- 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 );
- }
- lldebugst(LLERR_USER_INPUT) << "hover handled by LLManip (active)" << llendl;
- }
- else
- {
- lldebugst(LLERR_USER_INPUT) << "hover handled by LLManip (inactive)" << llendl;
- }
- 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() / gAgent.mHUDCurZoom;
- F32 mouse_y = ((F32)y / gViewerWindow->getWorldViewHeightScaled() - 0.5f) / gAgent.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() / gAgent.mHUDCurZoom;
- F32 mouse_y = (((F32)y / gViewerWindow->getWindowHeightScaled()) - 0.5f) / gAgent.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 = gAgent.getCameraPositionAgent();
- a2 = gAgent.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();
- glPushMatrix();
- {
- glTranslatef(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);
- glRotatef(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);
- }
- glPopMatrix();
- }
- void LLManip::renderXYZ(const LLVector3 &vec)
- {
- const S32 PAD = 10;
- std::string feedback_string;
- LLVector3 camera_pos = LLViewerCamera::getInstance()->getOrigin() + LLViewerCamera::getInstance()->getAtAxis();
- S32 window_center_x = gViewerWindow->getWorldViewRectScaled().getWidth() / 2;
- S32 window_center_y = gViewerWindow->getWorldViewRectScaled().getHeight() / 2;
- S32 vertical_offset = window_center_y - VERTICAL_OFFSET;
- glPushMatrix();
- {
- LLUIImagePtr imagep = LLUI::getUIImage("Rounded_Square");
- gViewerWindow->setup2DRender();
- const LLVector2& display_scale = gViewerWindow->getDisplayScale();
- glScalef(display_scale.mV[VX], display_scale.mV[VY], 1.f);
- gGL.color4f(0.f, 0.f, 0.f, 0.7f);
- imagep->draw(
- window_center_x - 115,
- window_center_y + vertical_offset - PAD,
- 235,
- PAD * 2 + 10,
- LLColor4(0.f, 0.f, 0.f, 0.7f) );
- }
- glPopMatrix();
- gViewerWindow->setup3DRender();
- {
- LLFontGL* font = LLFontGL::getFontSansSerif();
- LLLocale locale(LLLocale::USER_LOCALE);
- LLGLDepthTest gls_depth(GL_FALSE);
- // render drop shadowed text
- feedback_string = llformat("X: %.3f", vec.mV[VX]);
- hud_render_text(utf8str_to_wstring(feedback_string), camera_pos, *font, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, -102.f + 1.f, (F32)vertical_offset - 1.f, LLColor4::black, FALSE);
- feedback_string = llformat("Y: %.3f", vec.mV[VY]);
- hud_render_text(utf8str_to_wstring(feedback_string), camera_pos, *font, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, -27.f + 1.f, (F32)vertical_offset - 1.f, LLColor4::black, FALSE);
-
- feedback_string = llformat("Z: %.3f", vec.mV[VZ]);
- hud_render_text(utf8str_to_wstring(feedback_string), camera_pos, *font, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, 48.f + 1.f, (F32)vertical_offset - 1.f, LLColor4::black, FALSE);
- // render text on top
- feedback_string = llformat("X: %.3f", vec.mV[VX]);
- hud_render_text(utf8str_to_wstring(feedback_string), camera_pos, *font, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, -102.f, (F32)vertical_offset, LLColor4(1.f, 0.5f, 0.5f, 1.f), FALSE);
- glColor3f(0.5f, 1.f, 0.5f);
- feedback_string = llformat("Y: %.3f", vec.mV[VY]);
- hud_render_text(utf8str_to_wstring(feedback_string), camera_pos, *font, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, -27.f, (F32)vertical_offset, LLColor4(0.5f, 1.f, 0.5f, 1.f), FALSE);
-
- glColor3f(0.5f, 0.5f, 1.f);
- feedback_string = llformat("Z: %.3f", vec.mV[VZ]);
- hud_render_text(utf8str_to_wstring(feedback_string), camera_pos, *font, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, 48.f, (F32)vertical_offset, LLColor4(0.5f, 0.5f, 1.f, 1.f), FALSE);
- }
- }
- 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;
- glMatrixMode(GL_MODELVIEW);
- glPushMatrix();
- LLVector3 render_pos = pos;
- if (hud_selection)
- {
- F32 zoom_amt = gAgent.mHUDCurZoom;
- F32 inv_zoom_amt = 1.f / zoom_amt;
- // scale text back up to counter-act zoom level
- render_pos = pos * zoom_amt;
- glScalef(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);
- glPopMatrix();
- }
- 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 = llround(value, 0.001f);
- S32 fractional_portion = llround(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;
- glMatrixMode(GL_MODELVIEW);
- glPushMatrix();
- LLVector3 render_pos = pos;
- if (hud_selection)
- {
- F32 zoom_amt = gAgent.mHUDCurZoom;
- F32 inv_zoom_amt = 1.f / zoom_amt;
- // scale text back up to counter-act zoom level
- render_pos = pos * zoom_amt;
- glScalef(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());
- gViewerWindow->setup3DViewport(1, -1);
- hud_render_utf8text(val_string, render_pos, *big_fontp, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, -1.f * big_fontp->getWidthF32(val_string), 3.f, shadow_color, hud_selection);
- hud_render_utf8text(fraction_string, render_pos, *small_fontp, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, 1.f, 3.f, shadow_color, hud_selection);
- gViewerWindow->setup3DViewport();
- hud_render_utf8text(val_string, render_pos, *big_fontp, LLFontGL::NORMAL, LLFontGL::NO_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::NO_SHADOW, 1.f, 3.f, color, hud_selection);
- }
- else
- {
- gViewerWindow->setup3DViewport(1, -1);
- hud_render_utf8text(val_string, render_pos, *big_fontp, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, -0.5f * big_fontp->getWidthF32(val_string), 3.f, shadow_color, hud_selection);
- gViewerWindow->setup3DViewport();
- hud_render_utf8text(val_string, render_pos, *big_fontp, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, -0.5f * big_fontp->getWidthF32(val_string), 3.f, color, hud_selection);
- }
- glPopMatrix();
- }
- 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;
- }