summaryrefslogtreecommitdiff
path: root/indra/newview/llpathfindingnavmeshzone.h
blob: 1e92f6b131a87ad6044346a0551a0bfecf674873 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/**
 * @file llpathfindingnavmeshzone.h
 * @author William Todd Stinson
 * @brief A class for representing the zone of navmeshes containing and possible surrounding the current region.
 *
 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
 * 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_LLPATHFINDINGNAVMESHZONE_H
#define LL_LLPATHFINDINGNAVMESHZONE_H

#include "llsd.h"
#include "lluuid.h"
#include "llpathfindingnavmesh.h"
#include "llpathfindingnavmeshstatus.h"
#include "llviewerregion.h"

#include <vector>

#include <boost/shared_ptr.hpp>
#include <boost/function.hpp>
#include <boost/signals2.hpp>

class LLPathfindingNavMeshStatus;

//#define XXX_STINSON_DEBUG_NAVMESH_ZONE

class LLPathfindingNavMeshZone
{
public:
	typedef enum {
		kNavMeshZoneRequestUnknown,
		kNavMeshZoneRequestWaiting,
		kNavMeshZoneRequestChecking,
		kNavMeshZoneRequestNeedsUpdate,
		kNavMeshZoneRequestStarted,
		kNavMeshZoneRequestCompleted,
		kNavMeshZoneRequestNotEnabled,
		kNavMeshZoneRequestError
	} ENavMeshZoneRequestStatus;

	typedef enum {
		kNavMeshZonePending,
		kNavMeshZoneBuilding,
		kNavMeshZoneSomePending,
		kNavMeshZoneSomeBuilding,
		kNavMeshZonePendingAndBuilding,
		kNavMeshZoneComplete
	} ENavMeshZoneStatus;

	typedef boost::function<void (ENavMeshZoneRequestStatus)>         navmesh_zone_callback_t;
	typedef boost::signals2::signal<void (ENavMeshZoneRequestStatus)> navmesh_zone_signal_t;
	typedef boost::signals2::connection                                                   navmesh_zone_slot_t;

	LLPathfindingNavMeshZone();
	virtual ~LLPathfindingNavMeshZone();

	navmesh_zone_slot_t registerNavMeshZoneListener(navmesh_zone_callback_t pNavMeshZoneCallback);
	void initialize();

	void enable();
	void disable();
	void refresh();

	ENavMeshZoneStatus getNavMeshZoneStatus() const;

protected:

private:
	typedef boost::function<void (void)> navmesh_location_callback_t;
	class NavMeshLocation
	{
	public:
		NavMeshLocation(S32 pDirection, navmesh_location_callback_t pLocationCallback);
		virtual ~NavMeshLocation();

		void enable();
		void refresh();
		void disable();

		LLPathfindingNavMesh::ENavMeshRequestStatus getRequestStatus() const;
		LLPathfindingNavMeshStatus::ENavMeshStatus  getNavMeshStatus() const;
#ifdef XXX_STINSON_DEBUG_NAVMESH_ZONE
		const LLUUID &getRegionUUID() const {return mRegionUUID;};
		S32          getDirection() const {return mDirection;};
#endif // XXX_STINSON_DEBUG_NAVMESH_ZONE

	protected:

	private:
		void           handleNavMesh(LLPathfindingNavMesh::ENavMeshRequestStatus pNavMeshRequestStatus, const LLPathfindingNavMeshStatus &pNavMeshStatus, const LLSD::Binary &pNavMeshData);

		void           clear();
		LLViewerRegion *getRegion() const;

		S32                                         mDirection;
		LLUUID                                      mRegionUUID;
		bool                                        mHasNavMesh;
		U32                                         mNavMeshVersion;
		LLPathfindingNavMeshStatus::ENavMeshStatus  mNavMeshStatus;
		navmesh_location_callback_t                 mLocationCallback;
		LLPathfindingNavMesh::ENavMeshRequestStatus mRequestStatus;
		LLPathfindingNavMesh::navmesh_slot_t        mNavMeshSlot;
	};

	typedef boost::shared_ptr<NavMeshLocation> NavMeshLocationPtr;
	typedef std::vector<NavMeshLocationPtr> NavMeshLocationPtrs;

	void handleNavMeshLocation();
	void updateStatus();

	NavMeshLocationPtrs       mNavMeshLocationPtrs;
	ENavMeshZoneRequestStatus mNavMeshZoneRequestStatus;
	navmesh_zone_signal_t     mNavMeshZoneSignal;
};

#endif // LL_LLPATHFINDINGNAVMESHZONE_H