/indra/newview/llviewerparceloverlay.h
https://bitbucket.org/lindenlab/viewer-beta/ · C Header · 125 lines · 59 code · 25 blank · 41 comment · 0 complexity · 5567db150a836e06fd6c45e072d96f58 MD5 · raw file
- /**
- * @file llviewerparceloverlay.h
- * @brief LLViewerParcelOverlay class header file
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, 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_LLVIEWERPARCELOVERLAY_H
- #define LL_LLVIEWERPARCELOVERLAY_H
- // The ownership data for land parcels.
- // One of these structures per region.
- #include "llbbox.h"
- #include "lldarray.h"
- #include "llframetimer.h"
- #include "lluuid.h"
- #include "llviewertexture.h"
- #include "llgl.h"
- class LLViewerRegion;
- class LLVector3;
- class LLColor4U;
- class LLVector2;
- class LLViewerParcelOverlay : public LLGLUpdate
- {
- public:
- LLViewerParcelOverlay(LLViewerRegion* region, F32 region_width_meters);
- ~LLViewerParcelOverlay();
- // ACCESS
- LLViewerTexture* getTexture() const { return mTexture; }
- BOOL isOwned(const LLVector3& pos) const;
- BOOL isOwnedSelf(const LLVector3& pos) const;
- BOOL isOwnedGroup(const LLVector3& pos) const;
- BOOL isOwnedOther(const LLVector3& pos) const;
- // "encroaches" means the prim hangs over the parcel, but its center
- // might be in another parcel. for now, we simply test axis aligned
- // bounding boxes which isn't perfect, but is close
- bool encroachesOwned(const std::vector<LLBBox>& boxes) const;
- bool encroachesOnUnowned(const std::vector<LLBBox>& boxes) const;
- bool encroachesOnNearbyParcel(const std::vector<LLBBox>& boxes) const;
-
- BOOL isSoundLocal(const LLVector3& pos) const;
- BOOL isBuildCameraAllowed(const LLVector3& pos) const;
- F32 getOwnedRatio() const;
- // Returns the number of vertices drawn
- S32 renderPropertyLines();
- U8 ownership( const LLVector3& pos) const;
- // MANIPULATE
- void uncompressLandOverlay(S32 chunk, U8 *compressed_overlay);
- // Indicate property lines and overlay texture need to be rebuilt.
- void setDirty();
- void idleUpdate(bool update_now = false);
- void updateGL();
- private:
- // This is in parcel rows and columns, not grid rows and columns
- // Stored in bottom three bits.
- U8 ownership(S32 row, S32 col) const
- { return 0x7 & mOwnership[row * mParcelGridsPerEdge + col]; }
- void addPropertyLine(LLDynamicArray<LLVector3, 256>& vertex_array,
- LLDynamicArray<LLColor4U, 256>& color_array,
- LLDynamicArray<LLVector2, 256>& coord_array,
- const F32 start_x, const F32 start_y,
- const U32 edge,
- const LLColor4U& color);
- void updateOverlayTexture();
- void updatePropertyLines();
-
- private:
- // Back pointer to the region that owns this structure.
- LLViewerRegion* mRegion;
- S32 mParcelGridsPerEdge;
- LLPointer<LLViewerTexture> mTexture;
- LLPointer<LLImageRaw> mImageRaw;
-
- // Size: mParcelGridsPerEdge * mParcelGridsPerEdge
- // Each value is 0-3, PARCEL_AVAIL to PARCEL_SELF in the two low bits
- // and other flags in the upper bits.
- U8 *mOwnership;
- // Update propery lines and overlay texture
- BOOL mDirty;
- LLFrameTimer mTimeSinceLastUpdate;
- S32 mOverlayTextureIdx;
-
- S32 mVertexCount;
- F32* mVertexArray;
- U8* mColorArray;
- };
- #endif