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-rw-r--r--indra/newview/llhudtext.cpp1278
1 files changed, 639 insertions, 639 deletions
diff --git a/indra/newview/llhudtext.cpp b/indra/newview/llhudtext.cpp
index 8bbed4fc6d..6e8b7875c8 100644
--- a/indra/newview/llhudtext.cpp
+++ b/indra/newview/llhudtext.cpp
@@ -1,639 +1,639 @@
-/**
- * @file llhudtext.cpp
- * @brief Floating text above objects, set via script with llSetText()
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * 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 "llhudtext.h"
-
-#include "llrender.h"
-
-#include "llagent.h"
-#include "llviewercontrol.h"
-#include "llcriticaldamp.h"
-#include "lldrawable.h"
-#include "llfontgl.h"
-#include "llglheaders.h"
-#include "llhudrender.h"
-#include "llui.h"
-#include "llviewercamera.h"
-#include "llviewertexturelist.h"
-#include "llviewerobject.h"
-#include "llvovolume.h"
-#include "llviewerwindow.h"
-#include "llstatusbar.h"
-#include "llmenugl.h"
-#include "pipeline.h"
-#include <boost/tokenizer.hpp>
-
-const F32 HORIZONTAL_PADDING = 15.f;
-const F32 VERTICAL_PADDING = 12.f;
-const F32 BUFFER_SIZE = 2.f;
-const F32 HUD_TEXT_MAX_WIDTH = 190.f;
-const F32 HUD_TEXT_MAX_WIDTH_NO_BUBBLE = 1000.f;
-const F32 MAX_DRAW_DISTANCE = 300.f;
-
-std::set<LLPointer<LLHUDText> > LLHUDText::sTextObjects;
-std::vector<LLPointer<LLHUDText> > LLHUDText::sVisibleTextObjects;
-std::vector<LLPointer<LLHUDText> > LLHUDText::sVisibleHUDTextObjects;
-bool LLHUDText::sDisplayText = true ;
-
-bool lltextobject_further_away::operator()(const LLPointer<LLHUDText>& lhs, const LLPointer<LLHUDText>& rhs) const
-{
- return lhs->getDistance() > rhs->getDistance();
-}
-
-
-LLHUDText::LLHUDText(const U8 type) :
- LLHUDObject(type),
- mOnHUDAttachment(false),
-// mVisibleOffScreen(false),
- mWidth(0.f),
- mHeight(0.f),
- mFontp(LLFontGL::getFontSansSerifSmall()),
- mBoldFontp(LLFontGL::getFontSansSerifBold()),
- mMass(1.f),
- mMaxLines(10),
- mOffsetY(0),
- mTextAlignment(ALIGN_TEXT_CENTER),
- mVertAlignment(ALIGN_VERT_CENTER),
-// mLOD(0),
- mHidden(false)
-{
- mColor = LLColor4(1.f, 1.f, 1.f, 1.f);
- mDoFade = true;
- mFadeDistance = 8.f;
- mFadeRange = 4.f;
- mZCompare = true;
- mOffscreen = false;
- mRadius = 0.1f;
- LLPointer<LLHUDText> ptr(this);
- sTextObjects.insert(ptr);
-}
-
-LLHUDText::~LLHUDText()
-{
-}
-
-void LLHUDText::render()
-{
- if (!mOnHUDAttachment && sDisplayText)
- {
- LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
- //LLGLDisable gls_stencil(GL_STENCIL_TEST);
- renderText();
- }
-}
-
-void LLHUDText::renderText()
-{
- if (!mVisible || mHidden)
- {
- return;
- }
-
- gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
-
- LLGLState gls_blend(GL_BLEND, true);
-
- LLColor4 shadow_color(0.f, 0.f, 0.f, 1.f);
- F32 alpha_factor = 1.f;
- LLColor4 text_color = mColor;
- if (mDoFade)
- {
- if (mLastDistance > mFadeDistance)
- {
- alpha_factor = llmax(0.f, 1.f - (mLastDistance - mFadeDistance)/mFadeRange);
- text_color.mV[3] = text_color.mV[3]*alpha_factor;
- }
- }
- if (text_color.mV[3] < 0.01f)
- {
- return;
- }
- shadow_color.mV[3] = text_color.mV[3];
-
- mOffsetY = lltrunc(mHeight * ((mVertAlignment == ALIGN_VERT_CENTER) ? 0.5f : 1.f));
-
- // *TODO: make this a per-text setting
- LLColor4 bg_color = LLUIColorTable::instance().getColor("ObjectBubbleColor");
- bg_color.setAlpha(gSavedSettings.getF32("ChatBubbleOpacity") * alpha_factor);
-
- const S32 border_height = 16;
- const S32 border_width = 16;
-
- // *TODO move this into helper function
- F32 border_scale = 1.f;
-
- if (border_height * 2 > mHeight)
- {
- border_scale = (F32)mHeight / ((F32)border_height * 2.f);
- }
- if (border_width * 2 > mWidth)
- {
- border_scale = llmin(border_scale, (F32)mWidth / ((F32)border_width * 2.f));
- }
-
- // scale screen size of borders down
- //RN: for now, text on hud objects is never occluded
-
- LLVector3 x_pixel_vec;
- LLVector3 y_pixel_vec;
-
- if (mOnHUDAttachment)
- {
- x_pixel_vec = LLVector3::y_axis / (F32)gViewerWindow->getWorldViewWidthRaw();
- y_pixel_vec = LLVector3::z_axis / (F32)gViewerWindow->getWorldViewHeightRaw();
- }
- else
- {
- LLViewerCamera::getInstance()->getPixelVectors(mPositionAgent, y_pixel_vec, x_pixel_vec);
- }
-
- LLVector3 width_vec = mWidth * x_pixel_vec;
- LLVector3 height_vec = mHeight * y_pixel_vec;
-
- mRadius = (width_vec + height_vec).magVec() * 0.5f;
-
- LLVector2 screen_offset;
- screen_offset = mPositionOffset;
-
- LLVector3 render_position = mPositionAgent
- + (x_pixel_vec * screen_offset.mV[VX])
- + (y_pixel_vec * screen_offset.mV[VY]);
-
- F32 y_offset = (F32)mOffsetY;
-
- // Render label
-
- // Render text
- {
- // -1 mMaxLines means unlimited lines.
- S32 start_segment;
- S32 max_lines = getMaxLines();
-
- if (max_lines < 0)
- {
- start_segment = 0;
- }
- else
- {
- start_segment = llmax((S32)0, (S32)mTextSegments.size() - max_lines);
- }
-
- for (std::vector<LLHUDTextSegment>::iterator segment_iter = mTextSegments.begin() + start_segment;
- segment_iter != mTextSegments.end(); ++segment_iter )
- {
- const LLFontGL* fontp = segment_iter->mFont;
- y_offset -= fontp->getLineHeight() - 1; // correction factor to match legacy font metrics
-
- U8 style = segment_iter->mStyle;
- LLFontGL::ShadowType shadow = LLFontGL::DROP_SHADOW;
-
- F32 x_offset;
- if (mTextAlignment== ALIGN_TEXT_CENTER)
- {
- x_offset = -0.5f*segment_iter->getWidth(fontp);
- }
- else // ALIGN_LEFT
- {
- x_offset = -0.5f * mWidth + (HORIZONTAL_PADDING / 2.f);
- }
-
- text_color = segment_iter->mColor;
- if (mOnHUDAttachment)
- {
- text_color = linearColor4(text_color);
- }
- text_color.mV[VALPHA] *= alpha_factor;
-
- hud_render_text(segment_iter->getText(), render_position, *fontp, style, shadow, x_offset, y_offset, text_color, mOnHUDAttachment);
- }
- }
- /// Reset the default color to white. The renderer expects this to be the default.
- gGL.color4f(1.0f, 1.0f, 1.0f, 1.0f);
-}
-
-void LLHUDText::setString(const std::string &text_utf8)
-{
- mTextSegments.clear();
- addLine(text_utf8, mColor);
-}
-
-void LLHUDText::clearString()
-{
- mTextSegments.clear();
-}
-
-
-void LLHUDText::addLine(const std::string &text_utf8,
- const LLColor4& color,
- const LLFontGL::StyleFlags style,
- const LLFontGL* font)
-{
- LLWString wline = utf8str_to_wstring(text_utf8);
- if (!wline.empty())
- {
- // use default font for segment if custom font not specified
- if (!font)
- {
- font = mFontp;
- }
- typedef boost::tokenizer<boost::char_separator<llwchar>, LLWString::const_iterator, LLWString > tokenizer;
- LLWString seps(utf8str_to_wstring("\r\n"));
- boost::char_separator<llwchar> sep(seps.c_str());
-
- tokenizer tokens(wline, sep);
- tokenizer::iterator iter = tokens.begin();
-
- while (iter != tokens.end())
- {
- U32 line_length = 0;
- do
- {
- F32 max_pixels = HUD_TEXT_MAX_WIDTH_NO_BUBBLE;
- S32 segment_length = font->maxDrawableChars(iter->substr(line_length).c_str(), max_pixels, wline.length(), LLFontGL::WORD_BOUNDARY_IF_POSSIBLE);
- LLHUDTextSegment segment(iter->substr(line_length, segment_length), style, color, font);
- mTextSegments.push_back(segment);
- line_length += segment_length;
- }
- while (line_length != iter->size());
- ++iter;
- }
- }
-}
-
-void LLHUDText::setZCompare(const bool zcompare)
-{
- mZCompare = zcompare;
-}
-
-void LLHUDText::setFont(const LLFontGL* font)
-{
- mFontp = font;
-}
-
-
-void LLHUDText::setColor(const LLColor4 &color)
-{
- mColor = color;
- for (std::vector<LLHUDTextSegment>::iterator segment_iter = mTextSegments.begin();
- segment_iter != mTextSegments.end(); ++segment_iter )
- {
- segment_iter->mColor = color;
- }
-}
-
-void LLHUDText::setAlpha(F32 alpha)
-{
- mColor.mV[VALPHA] = alpha;
- for (std::vector<LLHUDTextSegment>::iterator segment_iter = mTextSegments.begin();
- segment_iter != mTextSegments.end(); ++segment_iter )
- {
- segment_iter->mColor.mV[VALPHA] = alpha;
- }
-}
-
-
-void LLHUDText::setDoFade(const bool do_fade)
-{
- mDoFade = do_fade;
-}
-
-void LLHUDText::updateVisibility()
-{
- if (mSourceObject)
- {
- mSourceObject->updateText();
- }
-
- mPositionAgent = gAgent.getPosAgentFromGlobal(mPositionGlobal);
-
- if (!mSourceObject)
- {
- // Beacons
- mVisible = true;
- if (mOnHUDAttachment)
- {
- sVisibleHUDTextObjects.push_back(LLPointer<LLHUDText> (this));
- }
- else
- {
- sVisibleTextObjects.push_back(LLPointer<LLHUDText> (this));
- }
- return;
- }
-
- // Not visible if parent object is dead
- if (mSourceObject->isDead())
- {
- mVisible = false;
- return;
- }
-
- // for now, all text on hud objects is visible
- if (mOnHUDAttachment)
- {
- mVisible = true;
- sVisibleHUDTextObjects.push_back(LLPointer<LLHUDText> (this));
- mLastDistance = mPositionAgent.mV[VX];
- return;
- }
-
- // push text towards camera by radius of object, but not past camera
- LLVector3 vec_from_camera = mPositionAgent - LLViewerCamera::getInstance()->getOrigin();
- LLVector3 dir_from_camera = vec_from_camera;
- dir_from_camera.normVec();
-
- if (dir_from_camera * LLViewerCamera::getInstance()->getAtAxis() <= 0.f)
- { //text is behind camera, don't render
- mVisible = false;
- return;
- }
-
- if (vec_from_camera * LLViewerCamera::getInstance()->getAtAxis() <= LLViewerCamera::getInstance()->getNear() + 0.1f + mSourceObject->getVObjRadius())
- {
- mPositionAgent = LLViewerCamera::getInstance()->getOrigin() + vec_from_camera * ((LLViewerCamera::getInstance()->getNear() + 0.1f) / (vec_from_camera * LLViewerCamera::getInstance()->getAtAxis()));
- }
- else
- {
- mPositionAgent -= dir_from_camera * mSourceObject->getVObjRadius();
- }
-
- mLastDistance = (mPositionAgent - LLViewerCamera::getInstance()->getOrigin()).magVec();
-
- if (!mTextSegments.size() || (mDoFade && (mLastDistance > mFadeDistance + mFadeRange)))
- {
- mVisible = false;
- return;
- }
-
- LLVector3 pos_agent_center = gAgent.getPosAgentFromGlobal(mPositionGlobal) - dir_from_camera;
- F32 last_distance_center = (pos_agent_center - LLViewerCamera::getInstance()->getOrigin()).magVec();
- F32 max_draw_distance = gSavedSettings.getF32("PrimTextMaxDrawDistance");
-
- if(max_draw_distance < 0)
- {
- max_draw_distance = 0;
- gSavedSettings.setF32("PrimTextMaxDrawDistance", max_draw_distance);
- }
- else if(max_draw_distance > MAX_DRAW_DISTANCE)
- {
- max_draw_distance = MAX_DRAW_DISTANCE;
- gSavedSettings.setF32("PrimTextMaxDrawDistance", MAX_DRAW_DISTANCE);
- }
-
- if(last_distance_center > max_draw_distance)
- {
- mVisible = false;
- return;
- }
-
-
- LLVector3 x_pixel_vec;
- LLVector3 y_pixel_vec;
-
- LLViewerCamera::getInstance()->getPixelVectors(mPositionAgent, y_pixel_vec, x_pixel_vec);
-
- LLVector3 render_position = mPositionAgent +
- (x_pixel_vec * mPositionOffset.mV[VX]) +
- (y_pixel_vec * mPositionOffset.mV[VY]);
-
- mOffscreen = false;
- if (!LLViewerCamera::getInstance()->sphereInFrustum(render_position, mRadius))
- {
-// if (!mVisibleOffScreen)
-// {
- mVisible = false;
- return;
-// }
-// else
-// {
-// mOffscreen = true;
-// }
- }
-
- mVisible = true;
- sVisibleTextObjects.push_back(LLPointer<LLHUDText> (this));
-}
-
-LLVector2 LLHUDText::updateScreenPos(LLVector2 &offset)
-{
- LLCoordGL screen_pos;
- LLVector2 screen_pos_vec;
- LLVector3 x_pixel_vec;
- LLVector3 y_pixel_vec;
- LLViewerCamera::getInstance()->getPixelVectors(mPositionAgent, y_pixel_vec, x_pixel_vec);
-// LLVector3 world_pos = mPositionAgent + (offset.mV[VX] * x_pixel_vec) + (offset.mV[VY] * y_pixel_vec);
-// if (!LLViewerCamera::getInstance()->projectPosAgentToScreen(world_pos, screen_pos, false) && mVisibleOffScreen)
-// {
-// // bubble off-screen, so find a spot for it along screen edge
-// LLViewerCamera::getInstance()->projectPosAgentToScreenEdge(world_pos, screen_pos);
-// }
-
- screen_pos_vec.setVec((F32)screen_pos.mX, (F32)screen_pos.mY);
-
- LLRect world_rect = gViewerWindow->getWorldViewRectScaled();
- S32 bottom = world_rect.mBottom + STATUS_BAR_HEIGHT;
-
- LLVector2 screen_center;
- screen_center.mV[VX] = llclamp((F32)screen_pos_vec.mV[VX], (F32)world_rect.mLeft + mWidth * 0.5f, (F32)world_rect.mRight - mWidth * 0.5f);
-
- if(mVertAlignment == ALIGN_VERT_TOP)
- {
- screen_center.mV[VY] = llclamp((F32)screen_pos_vec.mV[VY],
- (F32)bottom,
- (F32)world_rect.mTop - mHeight - (F32)MENU_BAR_HEIGHT);
- mSoftScreenRect.setLeftTopAndSize(screen_center.mV[VX] - (mWidth + BUFFER_SIZE) * 0.5f,
- screen_center.mV[VY] + (mHeight + BUFFER_SIZE), mWidth + BUFFER_SIZE, mHeight + BUFFER_SIZE);
- }
- else
- {
- screen_center.mV[VY] = llclamp((F32)screen_pos_vec.mV[VY],
- (F32)bottom + mHeight * 0.5f,
- (F32)world_rect.mTop - mHeight * 0.5f - (F32)MENU_BAR_HEIGHT);
- mSoftScreenRect.setCenterAndSize(screen_center.mV[VX], screen_center.mV[VY], mWidth + BUFFER_SIZE, mHeight + BUFFER_SIZE);
- }
-
- return offset + (screen_center - LLVector2((F32)screen_pos.mX, (F32)screen_pos.mY));
-}
-
-void LLHUDText::updateSize()
-{
- F32 height = 0.f;
- F32 width = 0.f;
-
- S32 max_lines = getMaxLines();
-
- S32 start_segment;
- if (max_lines < 0) start_segment = 0;
- else start_segment = llmax((S32)0, (S32)mTextSegments.size() - max_lines);
-
- std::vector<LLHUDTextSegment>::iterator iter = mTextSegments.begin() + start_segment;
- while (iter != mTextSegments.end())
- {
- const LLFontGL* fontp = iter->mFont;
- height += fontp->getLineHeight() - 1; // correction factor to match legacy font metrics
- width = llmax(width, llmin(iter->getWidth(fontp), HUD_TEXT_MAX_WIDTH));
- ++iter;
- }
-
- if (width == 0.f)
- {
- return;
- }
-
- width += HORIZONTAL_PADDING;
- height += VERTICAL_PADDING;
-
- // *TODO: Could do some sort of timer-based resize logic here
- F32 u = 1.f;
- mWidth = llmax(width, lerp(mWidth, (F32)width, u));
- mHeight = llmax(height, lerp(mHeight, (F32)height, u));
-}
-
-void LLHUDText::updateAll()
-{
- // iterate over all text objects, calculate their restoration forces,
- // and add them to the visible set if they are on screen and close enough
- sVisibleTextObjects.clear();
- sVisibleHUDTextObjects.clear();
-
- TextObjectIterator text_it;
- for (text_it = sTextObjects.begin(); text_it != sTextObjects.end(); ++text_it)
- {
- LLHUDText* textp = (*text_it);
- textp->mTargetPositionOffset.clearVec();
- textp->updateSize();
- textp->updateVisibility();
- }
-
- // sort back to front for rendering purposes
- std::sort(sVisibleTextObjects.begin(), sVisibleTextObjects.end(), lltextobject_further_away());
- std::sort(sVisibleHUDTextObjects.begin(), sVisibleHUDTextObjects.end(), lltextobject_further_away());
-}
-
-//void LLHUDText::setLOD(S32 lod)
-//{
-// mLOD = lod;
-// //RN: uncomment this to visualize LOD levels
-// //std::string label = llformat("%d", lod);
-// //setLabel(label);
-//}
-
-S32 LLHUDText::getMaxLines()
-{
- return mMaxLines;
- //switch(mLOD)
- //{
- //case 0:
- // return mMaxLines;
- //case 1:
- // return mMaxLines > 0 ? mMaxLines / 2 : 5;
- //case 2:
- // return mMaxLines > 0 ? mMaxLines / 3 : 2;
- //default:
- // // label only
- // return 0;
- //}
-}
-
-void LLHUDText::markDead()
-{
- // make sure we have at least one pointer
- // till the end of the function
- LLPointer<LLHUDText> ptr(this);
- sTextObjects.erase(ptr);
- LLHUDObject::markDead();
-}
-
-void LLHUDText::renderAllHUD()
-{
- LLGLState::checkStates();
-
- {
- LLGLDepthTest depth(GL_FALSE, GL_FALSE);
-
- VisibleTextObjectIterator text_it;
-
- for (text_it = sVisibleHUDTextObjects.begin(); text_it != sVisibleHUDTextObjects.end(); ++text_it)
- {
- (*text_it)->renderText();
- }
- }
-
- LLVertexBuffer::unbind();
-
- LLGLState::checkStates();
-}
-
-void LLHUDText::shiftAll(const LLVector3& offset)
-{
- TextObjectIterator text_it;
- for (text_it = sTextObjects.begin(); text_it != sTextObjects.end(); ++text_it)
- {
- LLHUDText *textp = text_it->get();
- textp->shift(offset);
- }
-}
-
-void LLHUDText::shift(const LLVector3& offset)
-{
- mPositionAgent += offset;
-}
-
-//static
-// called when UI scale changes, to flush font width caches
-void LLHUDText::reshape()
-{
- TextObjectIterator text_it;
- for (text_it = sTextObjects.begin(); text_it != sTextObjects.end(); ++text_it)
- {
- LLHUDText* textp = (*text_it);
- std::vector<LLHUDTextSegment>::iterator segment_iter;
- for (segment_iter = textp->mTextSegments.begin();
- segment_iter != textp->mTextSegments.end(); ++segment_iter )
- {
- segment_iter->clearFontWidthMap();
- }
- }
-}
-
-//============================================================================
-
-F32 LLHUDText::LLHUDTextSegment::getWidth(const LLFontGL* font)
-{
- std::map<const LLFontGL*, F32>::iterator iter = mFontWidthMap.find(font);
- if (iter != mFontWidthMap.end())
- {
- return iter->second;
- }
- else
- {
- F32 width = font->getWidthF32(mText.c_str());
- mFontWidthMap[font] = width;
- return width;
- }
-}
+/**
+ * @file llhudtext.cpp
+ * @brief Floating text above objects, set via script with llSetText()
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * 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 "llhudtext.h"
+
+#include "llrender.h"
+
+#include "llagent.h"
+#include "llviewercontrol.h"
+#include "llcriticaldamp.h"
+#include "lldrawable.h"
+#include "llfontgl.h"
+#include "llglheaders.h"
+#include "llhudrender.h"
+#include "llui.h"
+#include "llviewercamera.h"
+#include "llviewertexturelist.h"
+#include "llviewerobject.h"
+#include "llvovolume.h"
+#include "llviewerwindow.h"
+#include "llstatusbar.h"
+#include "llmenugl.h"
+#include "pipeline.h"
+#include <boost/tokenizer.hpp>
+
+const F32 HORIZONTAL_PADDING = 15.f;
+const F32 VERTICAL_PADDING = 12.f;
+const F32 BUFFER_SIZE = 2.f;
+const F32 HUD_TEXT_MAX_WIDTH = 190.f;
+const F32 HUD_TEXT_MAX_WIDTH_NO_BUBBLE = 1000.f;
+const F32 MAX_DRAW_DISTANCE = 300.f;
+
+std::set<LLPointer<LLHUDText> > LLHUDText::sTextObjects;
+std::vector<LLPointer<LLHUDText> > LLHUDText::sVisibleTextObjects;
+std::vector<LLPointer<LLHUDText> > LLHUDText::sVisibleHUDTextObjects;
+bool LLHUDText::sDisplayText = true ;
+
+bool lltextobject_further_away::operator()(const LLPointer<LLHUDText>& lhs, const LLPointer<LLHUDText>& rhs) const
+{
+ return lhs->getDistance() > rhs->getDistance();
+}
+
+
+LLHUDText::LLHUDText(const U8 type) :
+ LLHUDObject(type),
+ mOnHUDAttachment(false),
+// mVisibleOffScreen(false),
+ mWidth(0.f),
+ mHeight(0.f),
+ mFontp(LLFontGL::getFontSansSerifSmall()),
+ mBoldFontp(LLFontGL::getFontSansSerifBold()),
+ mMass(1.f),
+ mMaxLines(10),
+ mOffsetY(0),
+ mTextAlignment(ALIGN_TEXT_CENTER),
+ mVertAlignment(ALIGN_VERT_CENTER),
+// mLOD(0),
+ mHidden(false)
+{
+ mColor = LLColor4(1.f, 1.f, 1.f, 1.f);
+ mDoFade = true;
+ mFadeDistance = 8.f;
+ mFadeRange = 4.f;
+ mZCompare = true;
+ mOffscreen = false;
+ mRadius = 0.1f;
+ LLPointer<LLHUDText> ptr(this);
+ sTextObjects.insert(ptr);
+}
+
+LLHUDText::~LLHUDText()
+{
+}
+
+void LLHUDText::render()
+{
+ if (!mOnHUDAttachment && sDisplayText)
+ {
+ LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
+ //LLGLDisable gls_stencil(GL_STENCIL_TEST);
+ renderText();
+ }
+}
+
+void LLHUDText::renderText()
+{
+ if (!mVisible || mHidden)
+ {
+ return;
+ }
+
+ gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
+
+ LLGLState gls_blend(GL_BLEND, true);
+
+ LLColor4 shadow_color(0.f, 0.f, 0.f, 1.f);
+ F32 alpha_factor = 1.f;
+ LLColor4 text_color = mColor;
+ if (mDoFade)
+ {
+ if (mLastDistance > mFadeDistance)
+ {
+ alpha_factor = llmax(0.f, 1.f - (mLastDistance - mFadeDistance)/mFadeRange);
+ text_color.mV[3] = text_color.mV[3]*alpha_factor;
+ }
+ }
+ if (text_color.mV[3] < 0.01f)
+ {
+ return;
+ }
+ shadow_color.mV[3] = text_color.mV[3];
+
+ mOffsetY = lltrunc(mHeight * ((mVertAlignment == ALIGN_VERT_CENTER) ? 0.5f : 1.f));
+
+ // *TODO: make this a per-text setting
+ LLColor4 bg_color = LLUIColorTable::instance().getColor("ObjectBubbleColor");
+ bg_color.setAlpha(gSavedSettings.getF32("ChatBubbleOpacity") * alpha_factor);
+
+ const S32 border_height = 16;
+ const S32 border_width = 16;
+
+ // *TODO move this into helper function
+ F32 border_scale = 1.f;
+
+ if (border_height * 2 > mHeight)
+ {
+ border_scale = (F32)mHeight / ((F32)border_height * 2.f);
+ }
+ if (border_width * 2 > mWidth)
+ {
+ border_scale = llmin(border_scale, (F32)mWidth / ((F32)border_width * 2.f));
+ }
+
+ // scale screen size of borders down
+ //RN: for now, text on hud objects is never occluded
+
+ LLVector3 x_pixel_vec;
+ LLVector3 y_pixel_vec;
+
+ if (mOnHUDAttachment)
+ {
+ x_pixel_vec = LLVector3::y_axis / (F32)gViewerWindow->getWorldViewWidthRaw();
+ y_pixel_vec = LLVector3::z_axis / (F32)gViewerWindow->getWorldViewHeightRaw();
+ }
+ else
+ {
+ LLViewerCamera::getInstance()->getPixelVectors(mPositionAgent, y_pixel_vec, x_pixel_vec);
+ }
+
+ LLVector3 width_vec = mWidth * x_pixel_vec;
+ LLVector3 height_vec = mHeight * y_pixel_vec;
+
+ mRadius = (width_vec + height_vec).magVec() * 0.5f;
+
+ LLVector2 screen_offset;
+ screen_offset = mPositionOffset;
+
+ LLVector3 render_position = mPositionAgent
+ + (x_pixel_vec * screen_offset.mV[VX])
+ + (y_pixel_vec * screen_offset.mV[VY]);
+
+ F32 y_offset = (F32)mOffsetY;
+
+ // Render label
+
+ // Render text
+ {
+ // -1 mMaxLines means unlimited lines.
+ S32 start_segment;
+ S32 max_lines = getMaxLines();
+
+ if (max_lines < 0)
+ {
+ start_segment = 0;
+ }
+ else
+ {
+ start_segment = llmax((S32)0, (S32)mTextSegments.size() - max_lines);
+ }
+
+ for (std::vector<LLHUDTextSegment>::iterator segment_iter = mTextSegments.begin() + start_segment;
+ segment_iter != mTextSegments.end(); ++segment_iter )
+ {
+ const LLFontGL* fontp = segment_iter->mFont;
+ y_offset -= fontp->getLineHeight() - 1; // correction factor to match legacy font metrics
+
+ U8 style = segment_iter->mStyle;
+ LLFontGL::ShadowType shadow = LLFontGL::DROP_SHADOW;
+
+ F32 x_offset;
+ if (mTextAlignment== ALIGN_TEXT_CENTER)
+ {
+ x_offset = -0.5f*segment_iter->getWidth(fontp);
+ }
+ else // ALIGN_LEFT
+ {
+ x_offset = -0.5f * mWidth + (HORIZONTAL_PADDING / 2.f);
+ }
+
+ text_color = segment_iter->mColor;
+ if (mOnHUDAttachment)
+ {
+ text_color = linearColor4(text_color);
+ }
+ text_color.mV[VALPHA] *= alpha_factor;
+
+ hud_render_text(segment_iter->getText(), render_position, *fontp, style, shadow, x_offset, y_offset, text_color, mOnHUDAttachment);
+ }
+ }
+ /// Reset the default color to white. The renderer expects this to be the default.
+ gGL.color4f(1.0f, 1.0f, 1.0f, 1.0f);
+}
+
+void LLHUDText::setString(const std::string &text_utf8)
+{
+ mTextSegments.clear();
+ addLine(text_utf8, mColor);
+}
+
+void LLHUDText::clearString()
+{
+ mTextSegments.clear();
+}
+
+
+void LLHUDText::addLine(const std::string &text_utf8,
+ const LLColor4& color,
+ const LLFontGL::StyleFlags style,
+ const LLFontGL* font)
+{
+ LLWString wline = utf8str_to_wstring(text_utf8);
+ if (!wline.empty())
+ {
+ // use default font for segment if custom font not specified
+ if (!font)
+ {
+ font = mFontp;
+ }
+ typedef boost::tokenizer<boost::char_separator<llwchar>, LLWString::const_iterator, LLWString > tokenizer;
+ LLWString seps(utf8str_to_wstring("\r\n"));
+ boost::char_separator<llwchar> sep(seps.c_str());
+
+ tokenizer tokens(wline, sep);
+ tokenizer::iterator iter = tokens.begin();
+
+ while (iter != tokens.end())
+ {
+ U32 line_length = 0;
+ do
+ {
+ F32 max_pixels = HUD_TEXT_MAX_WIDTH_NO_BUBBLE;
+ S32 segment_length = font->maxDrawableChars(iter->substr(line_length).c_str(), max_pixels, wline.length(), LLFontGL::WORD_BOUNDARY_IF_POSSIBLE);
+ LLHUDTextSegment segment(iter->substr(line_length, segment_length), style, color, font);
+ mTextSegments.push_back(segment);
+ line_length += segment_length;
+ }
+ while (line_length != iter->size());
+ ++iter;
+ }
+ }
+}
+
+void LLHUDText::setZCompare(const bool zcompare)
+{
+ mZCompare = zcompare;
+}
+
+void LLHUDText::setFont(const LLFontGL* font)
+{
+ mFontp = font;
+}
+
+
+void LLHUDText::setColor(const LLColor4 &color)
+{
+ mColor = color;
+ for (std::vector<LLHUDTextSegment>::iterator segment_iter = mTextSegments.begin();
+ segment_iter != mTextSegments.end(); ++segment_iter )
+ {
+ segment_iter->mColor = color;
+ }
+}
+
+void LLHUDText::setAlpha(F32 alpha)
+{
+ mColor.mV[VALPHA] = alpha;
+ for (std::vector<LLHUDTextSegment>::iterator segment_iter = mTextSegments.begin();
+ segment_iter != mTextSegments.end(); ++segment_iter )
+ {
+ segment_iter->mColor.mV[VALPHA] = alpha;
+ }
+}
+
+
+void LLHUDText::setDoFade(const bool do_fade)
+{
+ mDoFade = do_fade;
+}
+
+void LLHUDText::updateVisibility()
+{
+ if (mSourceObject)
+ {
+ mSourceObject->updateText();
+ }
+
+ mPositionAgent = gAgent.getPosAgentFromGlobal(mPositionGlobal);
+
+ if (!mSourceObject)
+ {
+ // Beacons
+ mVisible = true;
+ if (mOnHUDAttachment)
+ {
+ sVisibleHUDTextObjects.push_back(LLPointer<LLHUDText> (this));
+ }
+ else
+ {
+ sVisibleTextObjects.push_back(LLPointer<LLHUDText> (this));
+ }
+ return;
+ }
+
+ // Not visible if parent object is dead
+ if (mSourceObject->isDead())
+ {
+ mVisible = false;
+ return;
+ }
+
+ // for now, all text on hud objects is visible
+ if (mOnHUDAttachment)
+ {
+ mVisible = true;
+ sVisibleHUDTextObjects.push_back(LLPointer<LLHUDText> (this));
+ mLastDistance = mPositionAgent.mV[VX];
+ return;
+ }
+
+ // push text towards camera by radius of object, but not past camera
+ LLVector3 vec_from_camera = mPositionAgent - LLViewerCamera::getInstance()->getOrigin();
+ LLVector3 dir_from_camera = vec_from_camera;
+ dir_from_camera.normVec();
+
+ if (dir_from_camera * LLViewerCamera::getInstance()->getAtAxis() <= 0.f)
+ { //text is behind camera, don't render
+ mVisible = false;
+ return;
+ }
+
+ if (vec_from_camera * LLViewerCamera::getInstance()->getAtAxis() <= LLViewerCamera::getInstance()->getNear() + 0.1f + mSourceObject->getVObjRadius())
+ {
+ mPositionAgent = LLViewerCamera::getInstance()->getOrigin() + vec_from_camera * ((LLViewerCamera::getInstance()->getNear() + 0.1f) / (vec_from_camera * LLViewerCamera::getInstance()->getAtAxis()));
+ }
+ else
+ {
+ mPositionAgent -= dir_from_camera * mSourceObject->getVObjRadius();
+ }
+
+ mLastDistance = (mPositionAgent - LLViewerCamera::getInstance()->getOrigin()).magVec();
+
+ if (!mTextSegments.size() || (mDoFade && (mLastDistance > mFadeDistance + mFadeRange)))
+ {
+ mVisible = false;
+ return;
+ }
+
+ LLVector3 pos_agent_center = gAgent.getPosAgentFromGlobal(mPositionGlobal) - dir_from_camera;
+ F32 last_distance_center = (pos_agent_center - LLViewerCamera::getInstance()->getOrigin()).magVec();
+ F32 max_draw_distance = gSavedSettings.getF32("PrimTextMaxDrawDistance");
+
+ if(max_draw_distance < 0)
+ {
+ max_draw_distance = 0;
+ gSavedSettings.setF32("PrimTextMaxDrawDistance", max_draw_distance);
+ }
+ else if(max_draw_distance > MAX_DRAW_DISTANCE)
+ {
+ max_draw_distance = MAX_DRAW_DISTANCE;
+ gSavedSettings.setF32("PrimTextMaxDrawDistance", MAX_DRAW_DISTANCE);
+ }
+
+ if(last_distance_center > max_draw_distance)
+ {
+ mVisible = false;
+ return;
+ }
+
+
+ LLVector3 x_pixel_vec;
+ LLVector3 y_pixel_vec;
+
+ LLViewerCamera::getInstance()->getPixelVectors(mPositionAgent, y_pixel_vec, x_pixel_vec);
+
+ LLVector3 render_position = mPositionAgent +
+ (x_pixel_vec * mPositionOffset.mV[VX]) +
+ (y_pixel_vec * mPositionOffset.mV[VY]);
+
+ mOffscreen = false;
+ if (!LLViewerCamera::getInstance()->sphereInFrustum(render_position, mRadius))
+ {
+// if (!mVisibleOffScreen)
+// {
+ mVisible = false;
+ return;
+// }
+// else
+// {
+// mOffscreen = true;
+// }
+ }
+
+ mVisible = true;
+ sVisibleTextObjects.push_back(LLPointer<LLHUDText> (this));
+}
+
+LLVector2 LLHUDText::updateScreenPos(LLVector2 &offset)
+{
+ LLCoordGL screen_pos;
+ LLVector2 screen_pos_vec;
+ LLVector3 x_pixel_vec;
+ LLVector3 y_pixel_vec;
+ LLViewerCamera::getInstance()->getPixelVectors(mPositionAgent, y_pixel_vec, x_pixel_vec);
+// LLVector3 world_pos = mPositionAgent + (offset.mV[VX] * x_pixel_vec) + (offset.mV[VY] * y_pixel_vec);
+// if (!LLViewerCamera::getInstance()->projectPosAgentToScreen(world_pos, screen_pos, false) && mVisibleOffScreen)
+// {
+// // bubble off-screen, so find a spot for it along screen edge
+// LLViewerCamera::getInstance()->projectPosAgentToScreenEdge(world_pos, screen_pos);
+// }
+
+ screen_pos_vec.setVec((F32)screen_pos.mX, (F32)screen_pos.mY);
+
+ LLRect world_rect = gViewerWindow->getWorldViewRectScaled();
+ S32 bottom = world_rect.mBottom + STATUS_BAR_HEIGHT;
+
+ LLVector2 screen_center;
+ screen_center.mV[VX] = llclamp((F32)screen_pos_vec.mV[VX], (F32)world_rect.mLeft + mWidth * 0.5f, (F32)world_rect.mRight - mWidth * 0.5f);
+
+ if(mVertAlignment == ALIGN_VERT_TOP)
+ {
+ screen_center.mV[VY] = llclamp((F32)screen_pos_vec.mV[VY],
+ (F32)bottom,
+ (F32)world_rect.mTop - mHeight - (F32)MENU_BAR_HEIGHT);
+ mSoftScreenRect.setLeftTopAndSize(screen_center.mV[VX] - (mWidth + BUFFER_SIZE) * 0.5f,
+ screen_center.mV[VY] + (mHeight + BUFFER_SIZE), mWidth + BUFFER_SIZE, mHeight + BUFFER_SIZE);
+ }
+ else
+ {
+ screen_center.mV[VY] = llclamp((F32)screen_pos_vec.mV[VY],
+ (F32)bottom + mHeight * 0.5f,
+ (F32)world_rect.mTop - mHeight * 0.5f - (F32)MENU_BAR_HEIGHT);
+ mSoftScreenRect.setCenterAndSize(screen_center.mV[VX], screen_center.mV[VY], mWidth + BUFFER_SIZE, mHeight + BUFFER_SIZE);
+ }
+
+ return offset + (screen_center - LLVector2((F32)screen_pos.mX, (F32)screen_pos.mY));
+}
+
+void LLHUDText::updateSize()
+{
+ F32 height = 0.f;
+ F32 width = 0.f;
+
+ S32 max_lines = getMaxLines();
+
+ S32 start_segment;
+ if (max_lines < 0) start_segment = 0;
+ else start_segment = llmax((S32)0, (S32)mTextSegments.size() - max_lines);
+
+ std::vector<LLHUDTextSegment>::iterator iter = mTextSegments.begin() + start_segment;
+ while (iter != mTextSegments.end())
+ {
+ const LLFontGL* fontp = iter->mFont;
+ height += fontp->getLineHeight() - 1; // correction factor to match legacy font metrics
+ width = llmax(width, llmin(iter->getWidth(fontp), HUD_TEXT_MAX_WIDTH));
+ ++iter;
+ }
+
+ if (width == 0.f)
+ {
+ return;
+ }
+
+ width += HORIZONTAL_PADDING;
+ height += VERTICAL_PADDING;
+
+ // *TODO: Could do some sort of timer-based resize logic here
+ F32 u = 1.f;
+ mWidth = llmax(width, lerp(mWidth, (F32)width, u));
+ mHeight = llmax(height, lerp(mHeight, (F32)height, u));
+}
+
+void LLHUDText::updateAll()
+{
+ // iterate over all text objects, calculate their restoration forces,
+ // and add them to the visible set if they are on screen and close enough
+ sVisibleTextObjects.clear();
+ sVisibleHUDTextObjects.clear();
+
+ TextObjectIterator text_it;
+ for (text_it = sTextObjects.begin(); text_it != sTextObjects.end(); ++text_it)
+ {
+ LLHUDText* textp = (*text_it);
+ textp->mTargetPositionOffset.clearVec();
+ textp->updateSize();
+ textp->updateVisibility();
+ }
+
+ // sort back to front for rendering purposes
+ std::sort(sVisibleTextObjects.begin(), sVisibleTextObjects.end(), lltextobject_further_away());
+ std::sort(sVisibleHUDTextObjects.begin(), sVisibleHUDTextObjects.end(), lltextobject_further_away());
+}
+
+//void LLHUDText::setLOD(S32 lod)
+//{
+// mLOD = lod;
+// //RN: uncomment this to visualize LOD levels
+// //std::string label = llformat("%d", lod);
+// //setLabel(label);
+//}
+
+S32 LLHUDText::getMaxLines()
+{
+ return mMaxLines;
+ //switch(mLOD)
+ //{
+ //case 0:
+ // return mMaxLines;
+ //case 1:
+ // return mMaxLines > 0 ? mMaxLines / 2 : 5;
+ //case 2:
+ // return mMaxLines > 0 ? mMaxLines / 3 : 2;
+ //default:
+ // // label only
+ // return 0;
+ //}
+}
+
+void LLHUDText::markDead()
+{
+ // make sure we have at least one pointer
+ // till the end of the function
+ LLPointer<LLHUDText> ptr(this);
+ sTextObjects.erase(ptr);
+ LLHUDObject::markDead();
+}
+
+void LLHUDText::renderAllHUD()
+{
+ LLGLState::checkStates();
+
+ {
+ LLGLDepthTest depth(GL_FALSE, GL_FALSE);
+
+ VisibleTextObjectIterator text_it;
+
+ for (text_it = sVisibleHUDTextObjects.begin(); text_it != sVisibleHUDTextObjects.end(); ++text_it)
+ {
+ (*text_it)->renderText();
+ }
+ }
+
+ LLVertexBuffer::unbind();
+
+ LLGLState::checkStates();
+}
+
+void LLHUDText::shiftAll(const LLVector3& offset)
+{
+ TextObjectIterator text_it;
+ for (text_it = sTextObjects.begin(); text_it != sTextObjects.end(); ++text_it)
+ {
+ LLHUDText *textp = text_it->get();
+ textp->shift(offset);
+ }
+}
+
+void LLHUDText::shift(const LLVector3& offset)
+{
+ mPositionAgent += offset;
+}
+
+//static
+// called when UI scale changes, to flush font width caches
+void LLHUDText::reshape()
+{
+ TextObjectIterator text_it;
+ for (text_it = sTextObjects.begin(); text_it != sTextObjects.end(); ++text_it)
+ {
+ LLHUDText* textp = (*text_it);
+ std::vector<LLHUDTextSegment>::iterator segment_iter;
+ for (segment_iter = textp->mTextSegments.begin();
+ segment_iter != textp->mTextSegments.end(); ++segment_iter )
+ {
+ segment_iter->clearFontWidthMap();
+ }
+ }
+}
+
+//============================================================================
+
+F32 LLHUDText::LLHUDTextSegment::getWidth(const LLFontGL* font)
+{
+ std::map<const LLFontGL*, F32>::iterator iter = mFontWidthMap.find(font);
+ if (iter != mFontWidthMap.end())
+ {
+ return iter->second;
+ }
+ else
+ {
+ F32 width = font->getWidthF32(mText.c_str());
+ mFontWidthMap[font] = width;
+ return width;
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 05:55:15 +0000