1 files changed, 116 insertions, 0 deletions
diff --git a/indra/newview/llenvironmentmap.cpp b/indra/newview/llenvironmentmap.cpp
new file mode 100644
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+++ b/indra/newview/llenvironmentmap.cpp
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+/**
+ * @file llenvironmentmap.cpp
+ * @brief LLEnvironmentMap class implementation
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, 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 "llenvironmentmap.h"
+#include "pipeline.h"
+#include "llviewerwindow.h"
+
+LLEnvironmentMap::LLEnvironmentMap()
+{
+    mOrigin.setVec(0, 0, 0);
+}
+
+void LLEnvironmentMap::update(const LLVector3& origin, U32 resolution)
+{
+    LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;
+
+    mOrigin = origin;
+
+    // allocate images
+    std::vector<LLPointer<LLImageRaw> > rawimages;
+    rawimages.reserve(6);
+
+    for (int i = 0; i < 6; ++i)
+    {
+        rawimages.push_back(new LLImageRaw(resolution, resolution, 3));
+    }
+
+    // ============== modified copy/paste of LLFloater360Capture::capture360Images() follows ==============
+
+    // these are the 6 directions we will point the camera, see LLCubeMap::mTargets
+    LLVector3 look_dirs[6] = {
+        LLVector3(-1, 0, 0),
+        LLVector3(1, 0, 0),
+        LLVector3(0, -1, 0),
+        LLVector3(0, 1, 0),
+        LLVector3(0, 0, -1),
+        LLVector3(0, 0, 1)
+    };
+
+    LLVector3 look_upvecs[6] = { 
+        LLVector3(0, -1, 0), 
+        LLVector3(0, -1, 0), 
+        LLVector3(0, 0, -1), 
+        LLVector3(0, 0, 1), 
+        LLVector3(0, 1, 0), 
+        LLVector3(0, -1, 0) 
+    };
+
+    // save current view/camera settings so we can restore them afterwards
+    S32 old_occlusion = LLPipeline::sUseOcclusion;
+
+    // set new parameters specific to the 360 requirements
+    LLPipeline::sUseOcclusion = 0;
+    LLViewerCamera* camera = LLViewerCamera::getInstance();
+    LLVector3 old_origin = camera->getOrigin();
+    F32 old_fov = camera->getView();
+    F32 old_aspect = camera->getAspect();
+    F32 old_yaw = camera->getYaw();
+
+    // camera constants for the square, cube map capture image
+    camera->setAspect(1.0); // must set aspect ratio first to avoid undesirable clamping of vertical FoV
+    camera->setView(F_PI_BY_TWO);
+    camera->yaw(0.0);
+    camera->setOrigin(mOrigin);
+
+    // for each of the 6 directions we shoot...
+    for (int i = 0; i < 6; i++)
+    {
+        // set up camera to look in each direction
+        camera->lookDir(look_dirs[i], look_upvecs[i]);
+
+        // call the (very) simplified snapshot code that simply deals
+        // with a single image, no sub-images etc. but is very fast
+        gViewerWindow->simpleSnapshot(rawimages[i],
+            resolution, resolution, 1);
+    }
+
+    // restore original view/camera/avatar settings settings
+    camera->setAspect(old_aspect);
+    camera->setView(old_fov);
+    camera->yaw(old_yaw);
+    camera->setOrigin(old_origin);
+
+    LLPipeline::sUseOcclusion = old_occlusion;
+
+    // ====================================================
+    
+    mCubeMap = new LLCubeMap(false);
+    mCubeMap->initEnvironmentMap(rawimages);
+}
+