117 lines
3.6 KiB
C++
117 lines
3.6 KiB
C++
/**
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* @file llenvironmentmap.cpp
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* @brief LLEnvironmentMap class implementation
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*
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* $LicenseInfo:firstyear=2022&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2022, 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 "llenvironmentmap.h"
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#include "pipeline.h"
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#include "llviewerwindow.h"
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LLEnvironmentMap::LLEnvironmentMap()
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{
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mOrigin.setVec(0, 0, 0);
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}
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void LLEnvironmentMap::update(const LLVector3& origin, U32 resolution)
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;
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mOrigin = origin;
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// allocate images
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std::vector<LLPointer<LLImageRaw> > rawimages;
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rawimages.reserve(6);
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for (int i = 0; i < 6; ++i)
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{
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rawimages.push_back(new LLImageRaw(resolution, resolution, 3));
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}
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// ============== modified copy/paste of LLFloater360Capture::capture360Images() follows ==============
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// these are the 6 directions we will point the camera, see LLCubeMap::mTargets
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LLVector3 look_dirs[6] = {
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LLVector3(-1, 0, 0),
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LLVector3(1, 0, 0),
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LLVector3(0, -1, 0),
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LLVector3(0, 1, 0),
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LLVector3(0, 0, -1),
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LLVector3(0, 0, 1)
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};
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LLVector3 look_upvecs[6] = {
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LLVector3(0, -1, 0),
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LLVector3(0, -1, 0),
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LLVector3(0, 0, -1),
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LLVector3(0, 0, 1),
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LLVector3(0, 1, 0),
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LLVector3(0, -1, 0)
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};
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// save current view/camera settings so we can restore them afterwards
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S32 old_occlusion = LLPipeline::sUseOcclusion;
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// set new parameters specific to the 360 requirements
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LLPipeline::sUseOcclusion = 0;
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LLViewerCamera* camera = LLViewerCamera::getInstance();
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LLVector3 old_origin = camera->getOrigin();
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F32 old_fov = camera->getView();
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F32 old_aspect = camera->getAspect();
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F32 old_yaw = camera->getYaw();
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// camera constants for the square, cube map capture image
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camera->setAspect(1.0); // must set aspect ratio first to avoid undesirable clamping of vertical FoV
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camera->setView(F_PI_BY_TWO);
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camera->yaw(0.0);
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camera->setOrigin(mOrigin);
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// for each of the 6 directions we shoot...
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for (int i = 0; i < 6; i++)
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{
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// set up camera to look in each direction
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camera->lookDir(look_dirs[i], look_upvecs[i]);
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// call the (very) simplified snapshot code that simply deals
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// with a single image, no sub-images etc. but is very fast
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gViewerWindow->simpleSnapshot(rawimages[i],
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resolution, resolution, 1);
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}
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// restore original view/camera/avatar settings settings
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camera->setAspect(old_aspect);
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camera->setView(old_fov);
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camera->yaw(old_yaw);
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camera->setOrigin(old_origin);
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LLPipeline::sUseOcclusion = old_occlusion;
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// ====================================================
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mCubeMap = new LLCubeMap(false);
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mCubeMap->initEnvironmentMap(rawimages);
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}
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