/** * @file llviewerparceloverlay.h * @brief LLViewerParcelOverlay class header file * * $LicenseInfo:firstyear=2002&license=viewergpl$ * * Copyright (c) 2002-2009, Linden Research, Inc. * * Second Life Viewer Source Code * The source code in this file ("Source Code") is provided by Linden Lab * to you under the terms of the GNU General Public License, version 2.0 * ("GPL"), unless you have obtained a separate licensing agreement * ("Other License"), formally executed by you and Linden Lab. Terms of * the GPL can be found in doc/GPL-license.txt in this distribution, or * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 * * There are special exceptions to the terms and conditions of the GPL as * it is applied to this Source Code. View the full text of the exception * in the file doc/FLOSS-exception.txt in this software distribution, or * online at * http://secondlifegrid.net/programs/open_source/licensing/flossexception * * By copying, modifying or distributing this software, you acknowledge * that you have read and understood your obligations described above, * and agree to abide by those obligations. * * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, * COMPLETENESS OR PERFORMANCE. * $/LicenseInfo$ */ #ifndef LL_LLVIEWERPARCELOVERLAY_H #define LL_LLVIEWERPARCELOVERLAY_H // The ownership data for land parcels. // One of these structures per region. #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; 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