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
|
#include "drape_frontend/selection_shape.hpp"
#include "drape_frontend/color_constants.hpp"
#include "drape_frontend/map_shape.hpp"
#include "drape_frontend/shape_view_params.hpp"
#include "drape_frontend/tile_utils.hpp"
#include "drape_frontend/visual_params.hpp"
#include "drape/attribute_provider.hpp"
#include "drape/batcher.hpp"
#include "drape/binding_info.hpp"
#include "drape/glsl_func.hpp"
#include "drape/glsl_types.hpp"
#include "drape/gpu_program_manager.hpp"
#include "drape/shader_def.hpp"
#include "drape/texture_manager.hpp"
#include "drape/uniform_values_storage.hpp"
#include "indexer/map_style_reader.hpp"
namespace df
{
namespace
{
struct Vertex
{
Vertex() = default;
Vertex(glsl::vec2 const & normal, glsl::vec2 const & texCoord)
: m_normal(normal)
, m_texCoord(texCoord)
{
}
glsl::vec2 m_normal;
glsl::vec2 m_texCoord;
};
dp::BindingInfo GetBindingInfo()
{
dp::BindingInfo info(2);
dp::BindingDecl & normal = info.GetBindingDecl(0);
normal.m_attributeName = "a_normal";
normal.m_componentCount = 2;
normal.m_componentType = gl_const::GLFloatType;
normal.m_offset = 0;
normal.m_stride = sizeof(Vertex);
dp::BindingDecl & texCoord = info.GetBindingDecl(1);
texCoord.m_attributeName = "a_colorTexCoords";
texCoord.m_componentCount = 2;
texCoord.m_componentType = gl_const::GLFloatType;
texCoord.m_offset = sizeof(glsl::vec2);
texCoord.m_stride = sizeof(Vertex);
return info;
}
} // namespace
SelectionShape::SelectionShape(ref_ptr<dp::TextureManager> mng)
: m_position(m2::PointD::Zero())
, m_positionZ(0.0)
, m_animation(false, 0.25)
, m_selectedObject(OBJECT_EMPTY)
{
int const TriangleCount = 40;
int const VertexCount = 3 * TriangleCount;
float const etalonSector = math::twicePi / static_cast<double>(TriangleCount);
dp::TextureManager::ColorRegion color;
mng->GetColorRegion(df::GetColorConstant(GetStyleReader().GetCurrentStyle(), df::Selection), color);
glsl::vec2 colorCoord = glsl::ToVec2(color.GetTexRect().Center());
buffer_vector<Vertex, TriangleCount> buffer;
glsl::vec2 startNormal(0.0f, 1.0f);
for (size_t i = 0; i < TriangleCount + 1; ++i)
{
glsl::vec2 normal = glsl::rotate(startNormal, i * etalonSector);
glsl::vec2 nextNormal = glsl::rotate(startNormal, (i + 1) * etalonSector);
buffer.emplace_back(startNormal, colorCoord);
buffer.emplace_back(normal, colorCoord);
buffer.emplace_back(nextNormal, colorCoord);
}
dp::GLState state(gpu::ACCURACY_PROGRAM, dp::GLState::OverlayLayer);
state.SetColorTexture(color.GetTexture());
{
dp::Batcher batcher(TriangleCount * dp::Batcher::IndexPerTriangle, VertexCount);
dp::SessionGuard guard(batcher, [this](dp::GLState const & state, drape_ptr<dp::RenderBucket> && b)
{
drape_ptr<dp::RenderBucket> bucket = move(b);
ASSERT(bucket->GetOverlayHandlesCount() == 0, ());
m_renderNode = make_unique_dp<RenderNode>(state, bucket->MoveBuffer());
});
dp::AttributeProvider provider(1 /*stream count*/, VertexCount);
provider.InitStream(0 /*stream index*/, GetBindingInfo(), make_ref(buffer.data()));
batcher.InsertTriangleList(state, make_ref(&provider), nullptr);
}
m_radius = 15.0f * VisualParams::Instance().GetVisualScale();
m_mapping.AddRangePoint(0.6, 1.3 * m_radius);
m_mapping.AddRangePoint(0.85, 0.8 * m_radius);
m_mapping.AddRangePoint(1.0, m_radius);
}
void SelectionShape::Show(ESelectedObject obj, m2::PointD const & position, double positionZ, bool isAnimate)
{
m_animation.Hide();
m_position = position;
m_positionZ = positionZ;
m_selectedObject = obj;
if (isAnimate)
m_animation.ShowAnimated();
else
m_animation.Show();
}
void SelectionShape::Hide()
{
m_animation.Hide();
m_selectedObject = OBJECT_EMPTY;
}
bool SelectionShape::IsVisible(ScreenBase const & screen, m2::PointD & pxPos) const
{
m2::PointD const pt = screen.GtoP(m_position);
ShowHideAnimation::EState state = m_animation.GetState();
if ((state == ShowHideAnimation::STATE_VISIBLE || state == ShowHideAnimation::STATE_SHOW_DIRECTION) &&
!screen.IsReverseProjection3d(pt))
{
pxPos = screen.PtoP3d(pt, -m_positionZ);
return true;
}
return false;
}
void SelectionShape::Render(ScreenBase const & screen, int zoomLevel, ref_ptr<dp::GpuProgramManager> mng,
dp::UniformValuesStorage const & commonUniforms)
{
ShowHideAnimation::EState state = m_animation.GetState();
if (state == ShowHideAnimation::STATE_VISIBLE ||
state == ShowHideAnimation::STATE_SHOW_DIRECTION)
{
dp::UniformValuesStorage uniforms = commonUniforms;
TileKey const key = GetTileKeyByPoint(m_position, ClipTileZoomByMaxDataZoom(zoomLevel));
math::Matrix<float, 4, 4> mv = key.GetTileBasedModelView(screen);
uniforms.SetMatrix4x4Value("modelView", mv.m_data);
m2::PointD const pos = MapShape::ConvertToLocal(m_position, key.GetGlobalRect().Center(), kShapeCoordScalar);
uniforms.SetFloatValue("u_position", pos.x, pos.y, -m_positionZ);
float accuracy = m_mapping.GetValue(m_animation.GetT());
if (screen.isPerspective())
{
m2::PointD const pt1 = screen.GtoP(m_position);
m2::PointD const pt2(pt1.x + 1, pt1.y);
float const scale = screen.PtoP3d(pt2).x - screen.PtoP3d(pt1).x;
accuracy /= scale;
}
uniforms.SetFloatValue("u_accuracy", accuracy);
uniforms.SetFloatValue("u_opacity", 1.0f);
m_renderNode->Render(mng, uniforms);
}
}
SelectionShape::ESelectedObject SelectionShape::GetSelectedObject() const
{
return m_selectedObject;
}
} // namespace df
|
