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
|
/**
* @file llhudrender.cpp
* @brief LLHUDRender class implementation
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llhudrender.h"
#include "llrender.h"
#include "llgl.h"
#include "llviewercamera.h"
#include "v3math.h"
#include "llquaternion.h"
#include "llfontgl.h"
#include "llglheaders.h"
#include "llviewerwindow.h"
#include "llui.h"
void hud_render_utf8text(const std::string &str, const LLVector3 &pos_agent,
const LLFontGL &font,
const U8 style,
const LLFontGL::ShadowType shadow,
const F32 x_offset, const F32 y_offset,
const LLColor4& color,
const BOOL orthographic)
{
LLWString wstr(utf8str_to_wstring(str));
hud_render_text(wstr, pos_agent, font, style, shadow, x_offset, y_offset, color, orthographic);
}
void hud_render_text(const LLWString &wstr, const LLVector3 &pos_agent,
const LLFontGL &font,
const U8 style,
const LLFontGL::ShadowType shadow,
const F32 x_offset, const F32 y_offset,
const LLColor4& color,
const BOOL orthographic)
{
LLViewerCamera* camera = LLViewerCamera::getInstance();
// Do cheap plane culling
LLVector3 dir_vec = pos_agent - camera->getOrigin();
dir_vec /= dir_vec.magVec();
if (wstr.empty() || (!orthographic && dir_vec * camera->getAtAxis() <= 0.f))
{
return;
}
LLVector3 right_axis;
LLVector3 up_axis;
if (orthographic)
{
right_axis.setVec(0.f, -1.f / gViewerWindow->getWorldViewHeightScaled(), 0.f);
up_axis.setVec(0.f, 0.f, 1.f / gViewerWindow->getWorldViewHeightScaled());
}
else
{
camera->getPixelVectors(pos_agent, up_axis, right_axis);
}
LLCoordFrame render_frame = *camera;
LLQuaternion rot;
if (!orthographic)
{
rot = render_frame.getQuaternion();
rot = rot * LLQuaternion(-F_PI_BY_TWO, camera->getYAxis());
rot = rot * LLQuaternion(F_PI_BY_TWO, camera->getXAxis());
}
else
{
rot = LLQuaternion(-F_PI_BY_TWO, LLVector3(0.f, 0.f, 1.f));
rot = rot * LLQuaternion(-F_PI_BY_TWO, LLVector3(0.f, 1.f, 0.f));
}
F32 angle;
LLVector3 axis;
rot.getAngleAxis(&angle, axis);
LLVector3 render_pos = pos_agent + (floorf(x_offset) * right_axis) + (floorf(y_offset) * up_axis);
//get the render_pos in screen space
F64 winX, winY, winZ;
LLRect world_view_rect = gViewerWindow->getWorldViewRectRaw();
S32 viewport[4];
viewport[0] = world_view_rect.mLeft;
viewport[1] = world_view_rect.mBottom;
viewport[2] = world_view_rect.getWidth();
viewport[3] = world_view_rect.getHeight();
F64 mdlv[16];
F64 proj[16];
for (U32 i = 0; i < 16; i++)
{
mdlv[i] = (F64) gGLModelView[i];
proj[i] = (F64) gGLProjection[i];
}
gluProject(render_pos.mV[0], render_pos.mV[1], render_pos.mV[2],
mdlv, proj, (GLint*) viewport,
&winX, &winY, &winZ);
//fonts all render orthographically, set up projection``
gGL.matrixMode(LLRender::MM_PROJECTION);
gGL.pushMatrix();
gGL.matrixMode(LLRender::MM_MODELVIEW);
gGL.pushMatrix();
LLUI::pushMatrix();
gl_state_for_2d(world_view_rect.getWidth(), world_view_rect.getHeight());
gViewerWindow->setup3DViewport();
winX -= world_view_rect.mLeft;
winY -= world_view_rect.mBottom;
LLUI::loadIdentity();
gGL.loadIdentity();
LLUI::translate((F32) winX*1.0f/LLFontGL::sScaleX, (F32) winY*1.0f/(LLFontGL::sScaleY), -(((F32) winZ*2.f)-1.f));
F32 right_x;
font.render(wstr, 0, 0, 1, color, LLFontGL::LEFT, LLFontGL::BASELINE, style, shadow, wstr.length(), 1000, &right_x);
LLUI::popMatrix();
gGL.popMatrix();
gGL.matrixMode(LLRender::MM_PROJECTION);
gGL.popMatrix();
gGL.matrixMode(LLRender::MM_MODELVIEW);
}
|
