140 lines
4.3 KiB
C++
140 lines
4.3 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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* $LicenseInfo:firstyear=2002&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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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 "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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// [SL:KB] - Patch: World-MinimapOverlay | Checked: 2012-06-20 (Catznip-3.3.0)
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const U8* getOwnership() const { return mOwnership; }
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// [/SL:KB]
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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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// [SL:KB] - Patch: World-MinimapOverlay | Checked: 2012-06-20 (Catznip-3.3.0)
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typedef boost::signals2::signal<void (const LLViewerRegion*)> update_signal_t;
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static boost::signals2::connection setUpdateCallback(const update_signal_t::slot_type & cb);
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// [/SL:KB]
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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(std::vector<LLVector3>& vertex_array,
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std::vector<LLColor4U>& color_array,
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std::vector<LLVector2>& 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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// <FS:CR> Aurora Sim
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S32 mRegionSize;
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// </FS:CR> Aurora Sim
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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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// [SL:KB] - Patch: World-MinimapOverlay | Checked: 2012-06-20 (Catznip-3.3.0)
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static update_signal_t* mUpdateSignal;
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// [/SL:KB]
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};
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#endif
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