/** * @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