132 lines
4.1 KiB
C++
132 lines
4.1 KiB
C++
/**
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* @file llviewerparceloverlay.h
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* @brief LLViewerParcelOverlay class header file
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*
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* $LicenseInfo:firstyear=2002&license=viewergpl$
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*
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* Copyright (c) 2002-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#ifndef LL_LLVIEWERPARCELOVERLAY_H
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#define LL_LLVIEWERPARCELOVERLAY_H
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// The ownership data for land parcels.
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// One of these structures per region.
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#include "llbbox.h"
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#include "lldarray.h"
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#include "llframetimer.h"
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#include "lluuid.h"
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#include "llviewertexture.h"
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#include "llgl.h"
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class LLViewerRegion;
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class LLVector3;
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class LLColor4U;
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class LLVector2;
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class LLViewerParcelOverlay : public LLGLUpdate
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{
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public:
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LLViewerParcelOverlay(LLViewerRegion* region, F32 region_width_meters);
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~LLViewerParcelOverlay();
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// ACCESS
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LLViewerTexture* getTexture() const { return mTexture; }
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BOOL isOwned(const LLVector3& pos) const;
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BOOL isOwnedSelf(const LLVector3& pos) const;
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BOOL isOwnedGroup(const LLVector3& pos) const;
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BOOL isOwnedOther(const LLVector3& pos) const;
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// "encroaches" means the prim hangs over the parcel, but its center
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// might be in another parcel. for now, we simply test axis aligned
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// bounding boxes which isn't perfect, but is close
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bool encroachesOwned(const std::vector<LLBBox>& boxes) const;
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bool encroachesOnUnowned(const std::vector<LLBBox>& boxes) const;
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bool encroachesOnNearbyParcel(const std::vector<LLBBox>& boxes) const;
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BOOL isSoundLocal(const LLVector3& pos) const;
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BOOL isBuildCameraAllowed(const LLVector3& pos) const;
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F32 getOwnedRatio() const;
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// Returns the number of vertices drawn
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S32 renderPropertyLines();
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U8 ownership( const LLVector3& pos) const;
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// MANIPULATE
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void uncompressLandOverlay(S32 chunk, U8 *compressed_overlay);
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// Indicate property lines and overlay texture need to be rebuilt.
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void setDirty();
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void idleUpdate(bool update_now = false);
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void updateGL();
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private:
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// This is in parcel rows and columns, not grid rows and columns
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// Stored in bottom three bits.
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U8 ownership(S32 row, S32 col) const
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{ return 0x7 & mOwnership[row * mParcelGridsPerEdge + col]; }
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void addPropertyLine(LLDynamicArray<LLVector3, 256>& vertex_array,
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LLDynamicArray<LLColor4U, 256>& color_array,
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LLDynamicArray<LLVector2, 256>& coord_array,
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const F32 start_x, const F32 start_y,
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const U32 edge,
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const LLColor4U& color);
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void updateOverlayTexture();
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void updatePropertyLines();
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private:
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// Back pointer to the region that owns this structure.
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LLViewerRegion* mRegion;
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S32 mParcelGridsPerEdge;
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LLPointer<LLViewerTexture> mTexture;
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LLPointer<LLImageRaw> mImageRaw;
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// Size: mParcelGridsPerEdge * mParcelGridsPerEdge
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// Each value is 0-3, PARCEL_AVAIL to PARCEL_SELF in the two low bits
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// and other flags in the upper bits.
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U8 *mOwnership;
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// Update propery lines and overlay texture
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BOOL mDirty;
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LLFrameTimer mTimeSinceLastUpdate;
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S32 mOverlayTextureIdx;
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S32 mVertexCount;
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F32* mVertexArray;
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U8* mColorArray;
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};
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#endif
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