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
|
/**
* @file llmanipscale.h
* @brief LLManipScale class definition
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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_MANIPSCALE_H
#define LL_MANIPSCALE_H
// llmanipscale.h
//
// copyright 2001-2002, linden research inc
#include "lltool.h"
#include "v3math.h"
#include "v4math.h"
#include "llmanip.h"
#include "llviewerobject.h"
#include "llbbox.h"
F32 get_default_max_prim_scale(bool is_flora = false);
class LLToolComposite;
class LLColor4;
typedef enum e_scale_manipulator_type
{
SCALE_MANIP_CORNER,
SCALE_MANIP_FACE
} EScaleManipulatorType;
typedef enum e_snap_regimes
{
SNAP_REGIME_NONE = 0, //!< The cursor is not in either of the snap regimes.
SNAP_REGIME_UPPER = 0x1, //!< The cursor is, non-exclusively, in the first of the snap regimes. Prefer to treat as bitmask.
SNAP_REGIME_LOWER = 0x2 //!< The cursor is, non-exclusively, in the second of the snap regimes. Prefer to treat as bitmask.
} ESnapRegimes;
class LLManipScale : public LLManip
{
public:
class ManipulatorHandle
{
public:
LLVector3 mPosition;
EManipPart mManipID;
EScaleManipulatorType mType;
ManipulatorHandle(LLVector3 pos, EManipPart id, EScaleManipulatorType type):mPosition(pos), mManipID(id), mType(type){}
};
static const S32 NUM_MANIPULATORS = 14;
LLManipScale( LLToolComposite* composite );
~LLManipScale();
virtual bool handleMouseDown( S32 x, S32 y, MASK mask );
virtual bool handleMouseUp( S32 x, S32 y, MASK mask );
virtual bool handleHover( S32 x, S32 y, MASK mask );
virtual void render();
virtual void handleSelect();
virtual bool handleMouseDownOnPart(S32 x, S32 y, MASK mask);
virtual void highlightManipulators(S32 x, S32 y); // decided which manipulator, if any, should be highlighted by mouse hover
virtual bool canAffectSelection();
static void setUniform( bool b );
static bool getUniform();
static void setStretchTextures( bool b );
static bool getStretchTextures();
static void setShowAxes( bool b );
static bool getShowAxes();
private:
void renderCorners( const LLBBox& local_bbox );
void renderFaces( const LLBBox& local_bbox );
void renderBoxHandle( F32 x, F32 y, F32 z );
void renderAxisHandle( U32 part, const LLVector3& start, const LLVector3& end );
void renderGuidelinesPart( const LLBBox& local_bbox );
void renderSnapGuides( const LLBBox& local_bbox );
void revert();
inline void conditionalHighlight( U32 part, const LLColor4* highlight = NULL, const LLColor4* normal = NULL );
void drag( S32 x, S32 y );
void dragFace( S32 x, S32 y );
void dragCorner( S32 x, S32 y );
void sendUpdates( bool send_position_update, bool send_scale_update, bool corner = false);
LLVector3 faceToUnitVector( S32 part ) const;
LLVector3 cornerToUnitVector( S32 part ) const;
LLVector3 edgeToUnitVector( S32 part ) const;
LLVector3 partToUnitVector( S32 part ) const;
LLVector3 unitVectorToLocalBBoxExtent( const LLVector3& v, const LLBBox& bbox ) const;
F32 partToMaxScale( S32 part, const LLBBox& bbox ) const;
F32 partToMinScale( S32 part, const LLBBox& bbox ) const;
LLVector3 nearestAxis( const LLVector3& v ) const;
void stretchFace( const LLVector3& drag_start_agent, const LLVector3& drag_delta_agent);
void adjustTextureRepeats(); // Adjusts texture coords based on mSavedScale and current scale, only works for boxes
void updateSnapGuides(const LLBBox& bbox);
private:
struct compare_manipulators
{
bool operator() (const ManipulatorHandle* const a, const ManipulatorHandle* const b) const
{
if (a->mType != b->mType)
return a->mType < b->mType;
else if (a->mPosition.mV[VZ] != b->mPosition.mV[VZ])
return a->mPosition.mV[VZ] < b->mPosition.mV[VZ];
else
return a->mManipID < b->mManipID;
}
};
F32 mScaledBoxHandleSize; //!< Handle size after scaling for selection feedback.
LLVector3d mDragStartPointGlobal;
LLVector3d mDragStartCenterGlobal; //!< The center of the bounding box of all selected objects at time of drag start.
LLVector3d mDragPointGlobal;
LLVector3d mDragFarHitGlobal;
S32 mLastMouseX;
S32 mLastMouseY;
bool mSendUpdateOnMouseUp;
U32 mLastUpdateFlags;
typedef std::set<ManipulatorHandle*, compare_manipulators> manipulator_list_t;
manipulator_list_t mProjectedManipulators;
LLVector4 mManipulatorVertices[14];
F32 mScaleSnapUnit1; //!< Size of snap multiples for the upper scale.
F32 mScaleSnapUnit2; //!< Size of snap multiples for the lower scale.
LLVector3 mScalePlaneNormal1; //!< Normal of plane in which scale occurs that most faces camera.
LLVector3 mScalePlaneNormal2; //!< Normal of plane in which scale occurs that most faces camera.
LLVector3 mSnapGuideDir1; //!< The direction in which the upper snap guide tick marks face.
LLVector3 mSnapGuideDir2; //!< The direction in which the lower snap guide tick marks face.
LLVector3 mSnapDir1; //!< The direction in which the upper snap guides face.
LLVector3 mSnapDir2; //!< The direction in which the lower snap guides face.
F32 mSnapRegimeOffset; //!< How far off the scale axis centerline the mouse can be before it exits/enters the snap regime.
F32 mTickPixelSpacing1; //!< The pixel spacing between snap guide tick marks for the upper scale.
F32 mTickPixelSpacing2; //!< The pixel spacing between snap guide tick marks for the lower scale.
F32 mSnapGuideLength;
LLVector3 mScaleCenter; //!< The location of the origin of the scaling operation.
LLVector3 mScaleDir; //!< The direction of the scaling action. In face-dragging this is aligned with one of the cardinal axis relative to the prim, but in corner-dragging this is along the diagonal.
F32 mScaleSnappedValue; //!< The distance of the current position nearest the mouse location, measured along mScaleDir. Is measured either from the center or from the far face/corner depending upon whether uniform scaling is true or false respectively.
ESnapRegimes mSnapRegime; //<! Which, if any, snap regime the cursor is currently residing in.
F32 mManipulatorScales[NUM_MANIPULATORS];
F32 mBoxHandleSize[NUM_MANIPULATORS]; // The size of the handles at the corners of the bounding box
S32 mFirstClickX;
S32 mFirstClickY;
bool mIsFirstClick;
};
#endif // LL_MANIPSCALE_H
|
