106 lines
2.9 KiB
C++
106 lines
2.9 KiB
C++
/**
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* @file llhudeffecttrail.cpp
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* @brief LLHUDEffectSpiral class implementation
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*
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* $LicenseInfo:firstyear=2002&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "llhudeffectblob.h"
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#include "llagent.h"
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#include "llviewercamera.h"
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#include "llui.h"
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LLHUDEffectBlob::LLHUDEffectBlob(const U8 type)
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: LLHUDEffect(type),
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mPixelSize(10)
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{
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mTimer.start();
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mImage = LLUI::getUIImage("Camera_Drag_Dot");
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}
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LLHUDEffectBlob::~LLHUDEffectBlob()
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{
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}
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void LLHUDEffectBlob::markDead()
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{
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mImage = NULL;
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LLHUDEffect::markDead();
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}
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void LLHUDEffectBlob::render()
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{
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F32 time = mTimer.getElapsedTimeF32();
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if (mDuration < time)
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{
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markDead();
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return;
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}
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LLVector3 pos_agent = gAgent.getPosAgentFromGlobal(mPositionGlobal);
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LLVector3 pixel_up, pixel_right;
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LLViewerCamera::instance().getPixelVectors(pos_agent, pixel_up, pixel_right);
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LLGLSPipelineAlpha gls_pipeline_alpha;
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gGL.getTexUnit(0)->bind(mImage->getImage());
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LLColor4U color = mColor;
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color.mV[VALPHA] = (U8)clamp_rescale(time, 0.f, mDuration, 255.f, 0.f);
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gGL.color4ubv(color.mV);
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{ gGL.pushMatrix();
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gGL.translatef(pos_agent.mV[0], pos_agent.mV[1], pos_agent.mV[2]);
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LLVector3 u_scale = pixel_right * (F32)mPixelSize;
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LLVector3 v_scale = pixel_up * (F32)mPixelSize;
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gGL.begin(LLRender::TRIANGLES);
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{
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gGL.texCoord2f(0.f, 1.f);
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gGL.vertex3fv((v_scale - u_scale).mV);
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gGL.texCoord2f(0.f, 0.f);
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gGL.vertex3fv((-v_scale - u_scale).mV);
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gGL.texCoord2f(1.f, 0.f);
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gGL.vertex3fv((-v_scale + u_scale).mV);
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gGL.texCoord2f(0.f, 1.f);
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gGL.vertex3fv((v_scale - u_scale).mV);
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gGL.texCoord2f(1.f, 0.f);
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gGL.vertex3fv((-v_scale + u_scale).mV);
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gGL.texCoord2f(1.f, 1.f);
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gGL.vertex3fv((v_scale + u_scale).mV);
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}
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gGL.end();
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} gGL.popMatrix();
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}
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void LLHUDEffectBlob::renderForTimer()
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{
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}
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