llworldmap.h

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#ifndef LL_LLWORLDMAP_H
#define LL_LLWORLDMAP_H

#include <map>
#include <string>
#include <vector>

#include "v3math.h"
#include "v3dmath.h"
#include "llframetimer.h"
#include "llmapimagetype.h"
#include "lluuid.h"
#include "llmemory.h"
#include "llviewerimage.h"
#include "lleventinfo.h"
#include "v3color.h"

class LLMessageSystem;


class LLItemInfo
{
public:
        LLItemInfo(F32 global_x, F32 global_y, const std::string& name, LLUUID id, S32 extra = 0, S32 extra2 = 0);

        std::string mName;
        std::string mToolTip;
        LLVector3d      mPosGlobal;
        LLUUID          mID;
        BOOL            mSelected;
        S32                     mExtra;
        S32                     mExtra2;
        U64                     mRegionHandle;
};

#define MAP_SIM_IMAGE_TYPES 3
// 0 - Prim
// 1 - Terrain Only
// 2 - Overlay: Land For Sale

class LLSimInfo
{
public:
        LLSimInfo();

        LLVector3d getGlobalPos(LLVector3 local_pos) const;

public:
        U64 mHandle;
        std::string mName;

        F64 mAgentsUpdateTime;
        BOOL mShowAgentLocations;       // are agents visible?

        U8 mAccess;
        U32 mRegionFlags;
        F32 mWaterHeight;

        F32 mAlpha;

        // Image ID for the current overlay mode.
        LLUUID mMapImageID[MAP_SIM_IMAGE_TYPES];

        // Hold a reference to the currently displayed image.
        LLPointer<LLViewerImage> mCurrentImage;
        LLPointer<LLViewerImage> mOverlayImage;
};

#define MAP_BLOCK_RES 256

struct LLWorldMapLayer
{
        BOOL LayerDefined;
        LLPointer<LLViewerImage> LayerImage;
        LLUUID LayerImageID;
        LLRect LayerExtents;

        LLWorldMapLayer() : LayerDefined(FALSE) { }
};


class LLWorldMap
{
public:
        typedef void(*url_callback_t)(U64 region_handle, const std::string& url, const LLUUID& snapshot_id, bool teleport);

        LLWorldMap();
        ~LLWorldMap();

        // clears the list
        void reset();

        // clear the visible items
        void eraseItems();

        // Removes references to cached images
        void clearImageRefs();

        // Clears the flags indicating that we've received sim infos
        // Causes a re-request of the sim info without erasing extisting info
        void clearSimFlags();

        // Returns simulator information, or NULL if out of range
        LLSimInfo* simInfoFromHandle(const U64 handle);

        // Returns simulator information, or NULL if out of range
        LLSimInfo* simInfoFromPosGlobal(const LLVector3d& pos_global);

        // Returns simulator information for named sim, or NULL if non-existent
        LLSimInfo* simInfoFromName(const LLString& sim_name);

        // Gets simulator name for a global position, returns true if it was found
        bool simNameFromPosGlobal(const LLVector3d& pos_global, LLString & outSimName );

        // Sets the current layer
        void setCurrentLayer(S32 layer, bool request_layer = false);

        void sendMapLayerRequest();
        void sendMapBlockRequest(U16 min_x, U16 min_y, U16 max_x, U16 max_y, bool return_nonexistent = false);
        void sendNamedRegionRequest(std::string region_name);
        void sendNamedRegionRequest(std::string region_name, 
                url_callback_t callback,
                const std::string& callback_url,
                bool teleport);
        void sendItemRequest(U32 type, U64 handle = 0);

        static void processMapLayerReply(LLMessageSystem*, void**);
        static void processMapBlockReply(LLMessageSystem*, void**);
        static void processMapItemReply(LLMessageSystem*, void**);

        void dump();

        // Extend the bounding box of the list of simulators. Returns true
        // if the extents changed.
        BOOL extendAABB(U32 x_min, U32 y_min, U32 x_max, U32 y_max);

        // build coverage maps for telehub region visualization
        void updateTelehubCoverage();
        BOOL coveredByTelehub(LLSimInfo* infop);

        // Bounds of the world, in meters
        U32 getWorldWidth() const;
        U32 getWorldHeight() const;
public:
        // Map from region-handle to simulator info
        typedef std::map<U64, LLSimInfo*> sim_info_map_t;
        sim_info_map_t mSimInfoMap;

        BOOL                    mIsTrackingUnknownLocation, mInvalidLocation, mIsTrackingDoubleClick, mIsTrackingCommit;
        LLVector3d              mUnknownLocation;

        bool mRequestLandForSale;

        typedef std::vector<LLItemInfo> item_info_list_t;
        item_info_list_t mTelehubs;
        item_info_list_t mInfohubs;
        item_info_list_t mPGEvents;
        item_info_list_t mMatureEvents;
        item_info_list_t mPopular;
        item_info_list_t mLandForSale;
        item_info_list_t mClassifieds;

        std::map<U64,S32> mNumAgents;

        typedef std::map<U64, item_info_list_t> agent_list_map_t;
        agent_list_map_t mAgentLocationsMap;
        
        std::vector<LLWorldMapLayer>    mMapLayers[MAP_SIM_IMAGE_TYPES];
        BOOL                                                    mMapLoaded[MAP_SIM_IMAGE_TYPES];
        BOOL *                                                  mMapBlockLoaded[MAP_SIM_IMAGE_TYPES];
        S32                                                             mCurrentMap;

        // AABB of the list of simulators
        U32             mMinX;
        U32             mMaxX;
        U32             mMinY;
        U32             mMaxY;

        U8*             mNeighborMap;
        U8*             mTelehubCoverageMap;
        S32             mNeighborMapWidth;
        S32             mNeighborMapHeight;

private:
        LLTimer mRequestTimer;

        // search for named region for url processing
        std::string mSLURLRegionName;
        std::string mSLURL;
        url_callback_t mSLURLCallback;
        bool mSLURLTeleport;
};

extern LLWorldMap* gWorldMap;

#endif

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