Second Life viewer sources 1.13.2.12

1 files changed, 223 insertions, 0 deletions

diff --git a/linden/indra/newview/llvotextbubble.cpp b/linden/indra/newview/llvotextbubble.cpp
new file mode 100644
index 0000000..96ffe6b
--- /dev/null
+++ b/linden/indra/newview/llvotextbubble.cpp
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+/** 
+ * @file llvotextbubble.cpp
+ * @brief Viewer-object text bubble.
+ *
+ * Copyright (c) 2001-2007, Linden Research, Inc.
+ * 
+ * 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llvotextbubble.h"
+
+#include "imageids.h"
+#include "llviewercontrol.h"
+#include "llprimitive.h"
+#include "llsphere.h"
+
+#include "llagent.h"
+#include "llbox.h"
+#include "lldrawable.h"
+#include "llface.h"
+#include "llviewerimagelist.h"
+#include "llvolume.h"
+#include "pipeline.h"
+
+LLVOTextBubble::LLVOTextBubble(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp)
+:       LLViewerObject(id, pcode, regionp)
+{
+        setScale(LLVector3(1.5f, 1.5f, 0.25f));
+        mbCanSelect = FALSE;
+        mLOD = MIN_LOD;
+        mVolumeChanged = TRUE;
+        setVelocity(LLVector3(0.f, 0.f, 0.75f));
+        LLVolumeParams volume_params;
+        volume_params.setType(LL_PCODE_PROFILE_CIRCLE, LL_PCODE_PATH_LINE);
+        volume_params.setBeginAndEndS(0.f, 1.f);
+        volume_params.setBeginAndEndT(0.f, 1.f);
+        volume_params.setRatio(0.25f, 0.25f);
+        volume_params.setShear(0.f, 0.f);
+        setVolume(volume_params);
+        mColor = LLColor4(1.0f, 0.0f, 0.0f, 1.f);
+        S32 i;
+        for (i = 0; i < getNumTEs(); i++)
+        {
+                setTEColor(i, mColor);
+                setTETexture(i, LLUUID(IMG_DEFAULT));
+        }
+}
+
+
+LLVOTextBubble::~LLVOTextBubble()
+{
+}
+
+
+BOOL LLVOTextBubble::isActive() const
+{
+        return TRUE;
+}
+
+BOOL LLVOTextBubble::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
+{
+        F32 dt = mUpdateTimer.getElapsedTimeF32();
+        // Die after a few seconds.
+        if (dt > 1.5f)
+        {
+                return FALSE;
+        }
+
+        LLViewerObject::idleUpdate(agent, world, time);
+
+        setScale(0.5f * (1.f+dt) * LLVector3(1.5f, 1.5f, 0.5f));
+
+        F32 alpha = 0.35f*dt;
+
+        LLColor4 color = mColor;
+        color.mV[VALPHA] -= alpha;
+        if (color.mV[VALPHA] <= 0.05f)
+        {
+                return FALSE;
+        }
+        S32 i;
+        for (i = 0; i < getNumTEs(); i++)
+        {
+                setTEColor(i, color);
+        }
+
+        return TRUE;
+}
+
+
+void LLVOTextBubble::updateTextures(LLAgent &agent)
+{
+        // Update the image levels of all textures...
+        // First we do some quick checks.
+        U32 i;
+
+        // This doesn't take into account whether the object is in front
+        // or behind...
+
+        LLVector3 position_local = getPositionAgent() - agent.getCameraPositionAgent();
+        F32 dot_product = position_local * agent.getFrameAgent().getAtAxis();
+        F32 cos_angle = dot_product / position_local.magVec();
+
+        if (cos_angle > 1.f)
+        {
+                cos_angle = 1.f;
+        }
+
+        for (i = 0; i < getNumTEs(); i++)
+        {
+                const LLTextureEntry *te = getTE(i);
+                F32 texel_area_ratio = fabs(te->mScaleS * te->mScaleT);
+
+                LLViewerImage *imagep = getTEImage(i);
+                if (imagep)
+                {
+                        imagep->addTextureStats(mPixelArea, texel_area_ratio, cos_angle);
+                }
+        }
+}
+
+
+LLDrawable *LLVOTextBubble::createDrawable(LLPipeline *pipeline)
+{
+        pipeline->allocDrawable(this);
+        mDrawable->setLit(FALSE);
+        mDrawable->setRenderType(LLPipeline::RENDER_TYPE_VOLUME);
+        LLDrawPool *poolp;
+        for (U32 i = 0; i < getNumTEs(); i++)
+        {
+                LLViewerImage *imagep;
+                const LLTextureEntry *texture_entry = getTE(i);
+                imagep = gImageList.getImage(texture_entry->getID());
+
+                poolp = gPipeline.getPool(LLDrawPool::POOL_ALPHA);
+                mDrawable->addFace(poolp, imagep);
+        }
+
+        return mDrawable;
+}
+
+
+BOOL LLVOTextBubble::setVolume(const LLVolumeParams &volume_params)
+{
+        if (LLPrimitive::setVolume(volume_params, mLOD))
+        {
+                if (mDrawable)
+                {
+                        gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_VOLUME, TRUE);
+                        mVolumeChanged = TRUE;
+                }
+                return TRUE;
+        }
+        return FALSE;
+}
+
+
+BOOL LLVOTextBubble::updateLOD()
+{
+        return FALSE;
+}
+
+BOOL LLVOTextBubble::updateGeometry(LLDrawable *drawable)
+{
+        if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_VOLUME)))
+                return TRUE;
+        
+        if (mVolumeChanged)
+        {
+                LLVolumeParams volume_params = getVolume()->getParams();
+                setVolume(volume_params);
+
+                LLPipeline::sCompiles++;
+
+                drawable->setNumFaces(getVolume()->getNumFaces(), drawable->getFace(0)->getPool(), getTEImage(0));
+        }
+
+        LLMatrix4 identity4;
+        LLMatrix3 identity3;
+        for (S32 i = 0; i < drawable->getNumFaces(); i++)
+        {
+                LLFace *face = drawable->getFace(i);
+
+                if (i == 0)
+                {
+                        face->setSize(0);
+                        continue;
+                }
+                if (i == 2)
+                {
+                        face->setSize(0);
+                        continue;
+                }
+
+                // Need to figure out how to readd logic to determine face dirty vs. entire object dirty.
+                face->setTEOffset(i);
+                face->clearState(LLFace::GLOBAL);
+                face->genVolumeTriangles(*getVolume(), i, identity4, identity3);
+        }
+        mVolumeChanged = FALSE;
+
+        return TRUE;
+}