SL-6109 Implemented LLDrawFrustum

1 files changed, 55 insertions, 0 deletions

diff --git a/indra/newview/lldrawfrustum.h b/indra/newview/lldrawfrustum.h
new file mode 100644
index 0000000000..f6f62d737c
--- /dev/null
+++ b/indra/newview/lldrawfrustum.h
@@ -0,0 +1,55 @@
+/** 
+* @file   lldrawfrustum.h
+* @brief  Header file for lldrawfrustum
+*
+* $LicenseInfo:firstyear=2019&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2019, 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
+* $/LicenseInfo$
+*/
+#ifndef LL_LLDRAWFRUSTUM_H
+#define LL_LLDRAWFRUSTUM_H
+
+#include "llview.h" 
+
+class LLDrawFrustum
+{
+public:
+    LLDrawFrustum();
+    LLDrawFrustum(LLView *origin);
+protected:
+
+    // Draw's a cone from origin to derived view or floater
+    // @derived_local_rect derived flaoter's local rect
+    // @droot_view usually it is a derived floater
+    // @drag_handle floater's drag handle getDragHandle()
+    void drawFrustum(const LLRect &derived_local_rect, const LLView *root_view, const LLView *drag_handle, bool has_focus);
+
+    void setFrustumOrigin(LLView *origin);
+private:
+
+    LLHandle <LLView>   mFrustumOrigin;
+    F32		            mContextConeOpacity;
+    F32                 mContextConeInAlpha;
+    F32                 mContextConeOutAlpha;
+    F32                 mContextConeFadeTime;
+};
+
+#endif // LL_LLDRAWFRUSTUM_H
+