summaryrefslogtreecommitdiff
path: root/indra/newview/lltoolselectland.cpp
blob: 07c996a84f96063375c30db552c45243e3064772 (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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
/** 
 * @file lltoolselectland.cpp
 * @brief LLToolSelectLand class implementation
 *
 * $LicenseInfo:firstyear=2002&license=viewergpl$
 * 
 * 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.
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "lltoolselectland.h"

// indra includes
#include "llparcel.h"

// Viewer includes
#include "llagent.h"
#include "llviewercontrol.h"
#include "llfloatertools.h"
#include "llselectmgr.h"
#include "llstatusbar.h"
#include "llviewerparcelmgr.h"
#include "llviewerwindow.h"

//
// Member functions
//

LLToolSelectLand::LLToolSelectLand( )
:	LLTool( std::string("Parcel") ),
	mDragStartGlobal(),
	mDragEndGlobal(),
	mDragEndValid(FALSE),
	mDragStartX(0),
	mDragStartY(0),
	mDragEndX(0),
	mDragEndY(0),
	mMouseOutsideSlop(FALSE),
	mWestSouthBottom(),
	mEastNorthTop()
{ }

LLToolSelectLand::~LLToolSelectLand()
{
}


BOOL LLToolSelectLand::handleMouseDown(S32 x, S32 y, MASK mask)
{
	BOOL hit_land = gViewerWindow->mousePointOnLandGlobal(x, y, &mDragStartGlobal);
	if (hit_land)
	{
		setMouseCapture( TRUE );

		mDragStartX = x;
		mDragStartY = y;
		mDragEndX = x;
		mDragEndY = y;

		mDragEndValid		= TRUE;
		mDragEndGlobal		= mDragStartGlobal;

		sanitize_corners(mDragStartGlobal, mDragEndGlobal, mWestSouthBottom, mEastNorthTop);

		mWestSouthBottom -= LLVector3d( PARCEL_GRID_STEP_METERS/2, PARCEL_GRID_STEP_METERS/2, 0 );
		mEastNorthTop += LLVector3d( PARCEL_GRID_STEP_METERS/2, PARCEL_GRID_STEP_METERS/2, 0 );

		roundXY(mWestSouthBottom);
		roundXY(mEastNorthTop);

		mMouseOutsideSlop = TRUE; //FALSE;

		LLViewerParcelMgr::getInstance()->deselectLand();
	}

	return hit_land;
}


BOOL LLToolSelectLand::handleDoubleClick(S32 x, S32 y, MASK mask)
{
	LLVector3d pos_global;
	BOOL hit_land = gViewerWindow->mousePointOnLandGlobal(x, y, &pos_global);
	if (hit_land)
	{
		// Auto-select this parcel
		LLViewerParcelMgr::getInstance()->selectParcelAt( pos_global );
		return TRUE;
	}
	return FALSE;
}


BOOL LLToolSelectLand::handleMouseUp(S32 x, S32 y, MASK mask)
{
	if(	hasMouseCapture() )
	{
		setMouseCapture( FALSE );

		if (mMouseOutsideSlop && mDragEndValid)
		{
			// Take the drag start and end locations, then map the southwest
			// point down to the next grid location, and the northeast point up
			// to the next grid location.

			sanitize_corners(mDragStartGlobal, mDragEndGlobal, mWestSouthBottom, mEastNorthTop);

			mWestSouthBottom -= LLVector3d( PARCEL_GRID_STEP_METERS/2, PARCEL_GRID_STEP_METERS/2, 0 );
			mEastNorthTop += LLVector3d( PARCEL_GRID_STEP_METERS/2, PARCEL_GRID_STEP_METERS/2, 0 );

			roundXY(mWestSouthBottom);
			roundXY(mEastNorthTop);

			// Don't auto-select entire parcel.
			mSelection = LLViewerParcelMgr::getInstance()->selectLand( mWestSouthBottom, mEastNorthTop, FALSE );
		}

		mMouseOutsideSlop = FALSE;
		mDragEndValid = FALSE;
		
		return TRUE;
	}
	return FALSE;
}


BOOL LLToolSelectLand::handleHover(S32 x, S32 y, MASK mask)
{
	if(	hasMouseCapture() )
	{
		if (mMouseOutsideSlop || outsideSlop(x, y, mDragStartX, mDragStartY))
		{
			mMouseOutsideSlop = TRUE;

			// Must do this every frame, in case the camera moved or the land moved
			// since last frame.

			// If doesn't hit land, doesn't change old value
			LLVector3d land_global;
			BOOL hit_land = gViewerWindow->mousePointOnLandGlobal(x, y, &land_global);
			if (hit_land)
			{
				mDragEndValid = TRUE;
				mDragEndGlobal = land_global;

				sanitize_corners(mDragStartGlobal, mDragEndGlobal, mWestSouthBottom, mEastNorthTop);

				mWestSouthBottom -= LLVector3d( PARCEL_GRID_STEP_METERS/2, PARCEL_GRID_STEP_METERS/2, 0 );
				mEastNorthTop += LLVector3d( PARCEL_GRID_STEP_METERS/2, PARCEL_GRID_STEP_METERS/2, 0 );

				roundXY(mWestSouthBottom);
				roundXY(mEastNorthTop);

				lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolSelectLand (active, land)" << llendl;
				gViewerWindow->setCursor(UI_CURSOR_ARROW);
			}
			else
			{
				mDragEndValid = FALSE;
				lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolSelectLand (active, no land)" << llendl;
				gViewerWindow->setCursor(UI_CURSOR_NO);
			}

			mDragEndX = x;
			mDragEndY = y;
		}
		else
		{
			lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolSelectLand (active, in slop)" << llendl;
			gViewerWindow->setCursor(UI_CURSOR_ARROW);
		}
	}
	else
	{
		lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolSelectLand (inactive)" << llendl;		
		gViewerWindow->setCursor(UI_CURSOR_ARROW);
	}

	return TRUE;
}


void LLToolSelectLand::render()
{
	if(	hasMouseCapture() && /*mMouseOutsideSlop &&*/ mDragEndValid)
	{
		LLViewerParcelMgr::getInstance()->renderRect( mWestSouthBottom, mEastNorthTop );
	}
}

void LLToolSelectLand::handleSelect()
{
	gFloaterTools->setStatusText("selectland");
}


void LLToolSelectLand::handleDeselect()
{
	mSelection = NULL;
}


void LLToolSelectLand::roundXY(LLVector3d &vec)
{
	vec.mdV[VX] = llround( vec.mdV[VX], (F64)PARCEL_GRID_STEP_METERS );
	vec.mdV[VY] = llround( vec.mdV[VY], (F64)PARCEL_GRID_STEP_METERS );
}


// true if x,y outside small box around start_x,start_y
BOOL LLToolSelectLand::outsideSlop(S32 x, S32 y, S32 start_x, S32 start_y)
{
	S32 dx = x - start_x;
	S32 dy = y - start_y;

	return (dx <= -2 || 2 <= dx || dy <= -2 || 2 <= dy);
}