mirror of
https://github.com/UberGames/GtkRadiant.git
synced 2024-11-26 22:01:38 +00:00
e00838f66e
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/trunk@81 8a3a26a2-13c4-0310-b231-cf6edde360e5
4141 lines
113 KiB
C++
4141 lines
113 KiB
C++
/*
|
|
Copyright (C) 2001-2006, William Joseph.
|
|
All Rights Reserved.
|
|
|
|
This file is part of GtkRadiant.
|
|
|
|
GtkRadiant is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
GtkRadiant 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GtkRadiant; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "selection.h"
|
|
|
|
#include "debugging/debugging.h"
|
|
|
|
#include <map>
|
|
#include <list>
|
|
#include <set>
|
|
|
|
#include "windowobserver.h"
|
|
#include "iundo.h"
|
|
#include "ientity.h"
|
|
#include "cullable.h"
|
|
#include "renderable.h"
|
|
#include "selectable.h"
|
|
#include "editable.h"
|
|
|
|
#include "math/frustum.h"
|
|
#include "signal/signal.h"
|
|
#include "generic/object.h"
|
|
#include "selectionlib.h"
|
|
#include "render.h"
|
|
#include "view.h"
|
|
#include "renderer.h"
|
|
#include "stream/stringstream.h"
|
|
#include "eclasslib.h"
|
|
#include "generic/bitfield.h"
|
|
#include "generic/static.h"
|
|
#include "pivot.h"
|
|
#include "stringio.h"
|
|
#include "container/container.h"
|
|
|
|
#include "grid.h"
|
|
|
|
struct Pivot2World
|
|
{
|
|
Matrix4 m_worldSpace;
|
|
Matrix4 m_viewpointSpace;
|
|
Matrix4 m_viewplaneSpace;
|
|
Vector3 m_axis_screen;
|
|
|
|
void update(const Matrix4& pivot2world, const Matrix4& modelview, const Matrix4& projection, const Matrix4& viewport)
|
|
{
|
|
Pivot2World_worldSpace(m_worldSpace, pivot2world, modelview, projection, viewport);
|
|
Pivot2World_viewpointSpace(m_viewpointSpace, m_axis_screen, pivot2world, modelview, projection, viewport);
|
|
Pivot2World_viewplaneSpace(m_viewplaneSpace, pivot2world, modelview, projection, viewport);
|
|
}
|
|
};
|
|
|
|
|
|
void point_for_device_point(Vector3& point, const Matrix4& device2object, const float x, const float y, const float z)
|
|
{
|
|
// transform from normalised device coords to object coords
|
|
point = vector4_projected(matrix4_transformed_vector4(device2object, Vector4(x, y, z, 1)));
|
|
}
|
|
|
|
void ray_for_device_point(Ray& ray, const Matrix4& device2object, const float x, const float y)
|
|
{
|
|
// point at x, y, zNear
|
|
point_for_device_point(ray.origin, device2object, x, y, -1);
|
|
|
|
// point at x, y, zFar
|
|
point_for_device_point(ray.direction, device2object, x, y, 1);
|
|
|
|
// construct ray
|
|
vector3_subtract(ray.direction, ray.origin);
|
|
vector3_normalise(ray.direction);
|
|
}
|
|
|
|
bool sphere_intersect_ray(const Vector3& origin, float radius, const Ray& ray, Vector3& intersection)
|
|
{
|
|
intersection = vector3_subtracted(origin, ray.origin);
|
|
const double a = vector3_dot(intersection, ray.direction);
|
|
const double d = radius * radius - (vector3_dot(intersection, intersection) - a * a);
|
|
|
|
if(d > 0)
|
|
{
|
|
intersection = vector3_added(ray.origin, vector3_scaled(ray.direction, a - sqrt(d)));
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
intersection = vector3_added( ray.origin, vector3_scaled(ray.direction, a));
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void ray_intersect_ray(const Ray& ray, const Ray& other, Vector3& intersection)
|
|
{
|
|
intersection = vector3_subtracted(ray.origin, other.origin);
|
|
//float a = 1;//vector3_dot(ray.direction, ray.direction); // always >= 0
|
|
double dot = vector3_dot(ray.direction, other.direction);
|
|
//float c = 1;//vector3_dot(other.direction, other.direction); // always >= 0
|
|
double d = vector3_dot(ray.direction, intersection);
|
|
double e = vector3_dot(other.direction, intersection);
|
|
double D = 1 - dot*dot;//a*c - dot*dot; // always >= 0
|
|
|
|
if (D < 0.000001)
|
|
{
|
|
// the lines are almost parallel
|
|
intersection = vector3_added(other.origin, vector3_scaled(other.direction, e));
|
|
}
|
|
else
|
|
{
|
|
intersection = vector3_added(other.origin, vector3_scaled(other.direction, (e - dot*d) / D));
|
|
}
|
|
}
|
|
|
|
const Vector3 g_origin(0, 0, 0);
|
|
const float g_radius = 64;
|
|
|
|
void point_on_sphere(Vector3& point, const Matrix4& device2object, const float x, const float y)
|
|
{
|
|
Ray ray;
|
|
ray_for_device_point(ray, device2object, x, y);
|
|
sphere_intersect_ray(g_origin, g_radius, ray, point);
|
|
}
|
|
|
|
void point_on_axis(Vector3& point, const Vector3& axis, const Matrix4& device2object, const float x, const float y)
|
|
{
|
|
Ray ray;
|
|
ray_for_device_point(ray, device2object, x, y);
|
|
ray_intersect_ray(ray, Ray(Vector3(0, 0, 0), axis), point);
|
|
}
|
|
|
|
void point_on_plane(Vector3& point, const Matrix4& device2object, const float x, const float y)
|
|
{
|
|
Matrix4 object2device(matrix4_full_inverse(device2object));
|
|
point = vector4_projected(matrix4_transformed_vector4(device2object, Vector4(x, y, object2device[14] / object2device[15], 1)));
|
|
}
|
|
|
|
//! a and b are unit vectors .. returns angle in radians
|
|
inline float angle_between(const Vector3& a, const Vector3& b)
|
|
{
|
|
return static_cast<float>(2.0 * atan2(
|
|
vector3_length(vector3_subtracted(a, b)),
|
|
vector3_length(vector3_added(a, b))
|
|
));
|
|
}
|
|
|
|
|
|
#if defined(_DEBUG)
|
|
class test_quat
|
|
{
|
|
public:
|
|
test_quat(const Vector3& from, const Vector3& to)
|
|
{
|
|
Vector4 quaternion(quaternion_for_unit_vectors(from, to));
|
|
Matrix4 matrix(matrix4_rotation_for_quaternion(quaternion_multiplied_by_quaternion(quaternion, c_quaternion_identity)));
|
|
}
|
|
private:
|
|
};
|
|
|
|
static test_quat bleh(g_vector3_axis_x, g_vector3_axis_y);
|
|
#endif
|
|
|
|
//! axis is a unit vector
|
|
inline void constrain_to_axis(Vector3& vec, const Vector3& axis)
|
|
{
|
|
vec = vector3_normalised(vector3_added(vec, vector3_scaled(axis, -vector3_dot(vec, axis))));
|
|
}
|
|
|
|
//! a and b are unit vectors .. a and b must be orthogonal to axis .. returns angle in radians
|
|
float angle_for_axis(const Vector3& a, const Vector3& b, const Vector3& axis)
|
|
{
|
|
if(vector3_dot(axis, vector3_cross(a, b)) > 0.0)
|
|
return angle_between(a, b);
|
|
else
|
|
return -angle_between(a, b);
|
|
}
|
|
|
|
float distance_for_axis(const Vector3& a, const Vector3& b, const Vector3& axis)
|
|
{
|
|
return static_cast<float>(vector3_dot(b, axis) - vector3_dot(a, axis));
|
|
}
|
|
|
|
class Manipulatable
|
|
{
|
|
public:
|
|
virtual void Construct(const Matrix4& device2manip, const float x, const float y) = 0;
|
|
virtual void Transform(const Matrix4& manip2object, const Matrix4& device2manip, const float x, const float y) = 0;
|
|
};
|
|
|
|
void transform_local2object(Matrix4& object, const Matrix4& local, const Matrix4& local2object)
|
|
{
|
|
object = matrix4_multiplied_by_matrix4(
|
|
matrix4_multiplied_by_matrix4(local2object, local),
|
|
matrix4_full_inverse(local2object)
|
|
);
|
|
}
|
|
|
|
class Rotatable
|
|
{
|
|
public:
|
|
virtual void rotate(const Quaternion& rotation) = 0;
|
|
};
|
|
|
|
class RotateFree : public Manipulatable
|
|
{
|
|
Vector3 m_start;
|
|
Rotatable& m_rotatable;
|
|
public:
|
|
RotateFree(Rotatable& rotatable)
|
|
: m_rotatable(rotatable)
|
|
{
|
|
}
|
|
void Construct(const Matrix4& device2manip, const float x, const float y)
|
|
{
|
|
point_on_sphere(m_start, device2manip, x, y);
|
|
vector3_normalise(m_start);
|
|
}
|
|
void Transform(const Matrix4& manip2object, const Matrix4& device2manip, const float x, const float y)
|
|
{
|
|
Vector3 current;
|
|
|
|
point_on_sphere(current, device2manip, x, y);
|
|
vector3_normalise(current);
|
|
|
|
m_rotatable.rotate(quaternion_for_unit_vectors(m_start, current));
|
|
}
|
|
};
|
|
|
|
class RotateAxis : public Manipulatable
|
|
{
|
|
Vector3 m_axis;
|
|
Vector3 m_start;
|
|
Rotatable& m_rotatable;
|
|
public:
|
|
RotateAxis(Rotatable& rotatable)
|
|
: m_rotatable(rotatable)
|
|
{
|
|
}
|
|
void Construct(const Matrix4& device2manip, const float x, const float y)
|
|
{
|
|
point_on_sphere(m_start, device2manip, x, y);
|
|
constrain_to_axis(m_start, m_axis);
|
|
}
|
|
/// \brief Converts current position to a normalised vector orthogonal to axis.
|
|
void Transform(const Matrix4& manip2object, const Matrix4& device2manip, const float x, const float y)
|
|
{
|
|
Vector3 current;
|
|
point_on_sphere(current, device2manip, x, y);
|
|
constrain_to_axis(current, m_axis);
|
|
|
|
m_rotatable.rotate(quaternion_for_axisangle(m_axis, angle_for_axis(m_start, current, m_axis)));
|
|
}
|
|
|
|
void SetAxis(const Vector3& axis)
|
|
{
|
|
m_axis = axis;
|
|
}
|
|
};
|
|
|
|
void translation_local2object(Vector3& object, const Vector3& local, const Matrix4& local2object)
|
|
{
|
|
object = matrix4_get_translation_vec3(
|
|
matrix4_multiplied_by_matrix4(
|
|
matrix4_translated_by_vec3(local2object, local),
|
|
matrix4_full_inverse(local2object)
|
|
)
|
|
);
|
|
}
|
|
|
|
class Translatable
|
|
{
|
|
public:
|
|
virtual void translate(const Vector3& translation) = 0;
|
|
};
|
|
|
|
class TranslateAxis : public Manipulatable
|
|
{
|
|
Vector3 m_start;
|
|
Vector3 m_axis;
|
|
Translatable& m_translatable;
|
|
public:
|
|
TranslateAxis(Translatable& translatable)
|
|
: m_translatable(translatable)
|
|
{
|
|
}
|
|
void Construct(const Matrix4& device2manip, const float x, const float y)
|
|
{
|
|
point_on_axis(m_start, m_axis, device2manip, x, y);
|
|
}
|
|
void Transform(const Matrix4& manip2object, const Matrix4& device2manip, const float x, const float y)
|
|
{
|
|
Vector3 current;
|
|
point_on_axis(current, m_axis, device2manip, x, y);
|
|
current = vector3_scaled(m_axis, distance_for_axis(m_start, current, m_axis));
|
|
|
|
translation_local2object(current, current, manip2object);
|
|
vector3_snap(current, GetGridSize());
|
|
|
|
m_translatable.translate(current);
|
|
}
|
|
|
|
void SetAxis(const Vector3& axis)
|
|
{
|
|
m_axis = axis;
|
|
}
|
|
};
|
|
|
|
class TranslateFree : public Manipulatable
|
|
{
|
|
private:
|
|
Vector3 m_start;
|
|
Translatable& m_translatable;
|
|
public:
|
|
TranslateFree(Translatable& translatable)
|
|
: m_translatable(translatable)
|
|
{
|
|
}
|
|
void Construct(const Matrix4& device2manip, const float x, const float y)
|
|
{
|
|
point_on_plane(m_start, device2manip, x, y);
|
|
}
|
|
void Transform(const Matrix4& manip2object, const Matrix4& device2manip, const float x, const float y)
|
|
{
|
|
Vector3 current;
|
|
point_on_plane(current, device2manip, x, y);
|
|
current = vector3_subtracted(current, m_start);
|
|
|
|
translation_local2object(current, current, manip2object);
|
|
vector3_snap(current, GetGridSize());
|
|
|
|
m_translatable.translate(current);
|
|
}
|
|
};
|
|
|
|
|
|
class Scalable
|
|
{
|
|
public:
|
|
virtual void scale(const Vector3& scaling) = 0;
|
|
};
|
|
|
|
|
|
class ScaleAxis : public Manipulatable
|
|
{
|
|
private:
|
|
Vector3 m_start;
|
|
Vector3 m_axis;
|
|
Scalable& m_scalable;
|
|
public:
|
|
ScaleAxis(Scalable& scalable)
|
|
: m_scalable(scalable)
|
|
{
|
|
}
|
|
void Construct(const Matrix4& device2manip, const float x, const float y)
|
|
{
|
|
point_on_axis(m_start, m_axis, device2manip, x, y);
|
|
}
|
|
void Transform(const Matrix4& manip2object, const Matrix4& device2manip, const float x, const float y)
|
|
{
|
|
Vector3 current;
|
|
point_on_axis(current, m_axis, device2manip, x, y);
|
|
Vector3 delta = vector3_subtracted(current, m_start);
|
|
|
|
translation_local2object(delta, delta, manip2object);
|
|
vector3_snap(delta, GetGridSize());
|
|
|
|
Vector3 start(vector3_snapped(m_start, GetGridSize()));
|
|
Vector3 scale(
|
|
start[0] == 0 ? 1 : 1 + delta[0] / start[0],
|
|
start[1] == 0 ? 1 : 1 + delta[1] / start[1],
|
|
start[2] == 0 ? 1 : 1 + delta[2] / start[2]
|
|
);
|
|
m_scalable.scale(scale);
|
|
}
|
|
|
|
void SetAxis(const Vector3& axis)
|
|
{
|
|
m_axis = axis;
|
|
}
|
|
};
|
|
|
|
class ScaleFree : public Manipulatable
|
|
{
|
|
private:
|
|
Vector3 m_start;
|
|
Scalable& m_scalable;
|
|
public:
|
|
ScaleFree(Scalable& scalable)
|
|
: m_scalable(scalable)
|
|
{
|
|
}
|
|
void Construct(const Matrix4& device2manip, const float x, const float y)
|
|
{
|
|
point_on_plane(m_start, device2manip, x, y);
|
|
}
|
|
void Transform(const Matrix4& manip2object, const Matrix4& device2manip, const float x, const float y)
|
|
{
|
|
Vector3 current;
|
|
point_on_plane(current, device2manip, x, y);
|
|
Vector3 delta = vector3_subtracted(current, m_start);
|
|
|
|
translation_local2object(delta, delta, manip2object);
|
|
vector3_snap(delta, GetGridSize());
|
|
|
|
Vector3 start(vector3_snapped(m_start, GetGridSize()));
|
|
Vector3 scale(
|
|
start[0] == 0 ? 1 : 1 + delta[0] / start[0],
|
|
start[1] == 0 ? 1 : 1 + delta[1] / start[1],
|
|
start[2] == 0 ? 1 : 1 + delta[2] / start[2]
|
|
);
|
|
m_scalable.scale(scale);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class RenderableClippedPrimitive : public OpenGLRenderable
|
|
{
|
|
struct primitive_t
|
|
{
|
|
PointVertex m_points[9];
|
|
std::size_t m_count;
|
|
};
|
|
Matrix4 m_inverse;
|
|
std::vector<primitive_t> m_primitives;
|
|
public:
|
|
Matrix4 m_world;
|
|
|
|
void render(RenderStateFlags state) const
|
|
{
|
|
for(std::size_t i=0; i<m_primitives.size(); ++i)
|
|
{
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(PointVertex), &m_primitives[i].m_points[0].colour);
|
|
glVertexPointer(3, GL_FLOAT, sizeof(PointVertex), &m_primitives[i].m_points[0].vertex);
|
|
switch(m_primitives[i].m_count)
|
|
{
|
|
case 1: break;
|
|
case 2: glDrawArrays(GL_LINES, 0, GLsizei(m_primitives[i].m_count)); break;
|
|
default: glDrawArrays(GL_POLYGON, 0, GLsizei(m_primitives[i].m_count)); break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void construct(const Matrix4& world2device)
|
|
{
|
|
m_inverse = matrix4_full_inverse(world2device);
|
|
m_world = g_matrix4_identity;
|
|
}
|
|
|
|
void insert(const Vector4 clipped[9], std::size_t count)
|
|
{
|
|
add_one();
|
|
|
|
m_primitives.back().m_count = count;
|
|
for(std::size_t i=0; i<count; ++i)
|
|
{
|
|
Vector3 world_point(vector4_projected(matrix4_transformed_vector4(m_inverse, clipped[i])));
|
|
m_primitives.back().m_points[i].vertex = vertex3f_for_vector3(world_point);
|
|
}
|
|
}
|
|
|
|
void destroy()
|
|
{
|
|
m_primitives.clear();
|
|
}
|
|
private:
|
|
void add_one()
|
|
{
|
|
m_primitives.push_back(primitive_t());
|
|
|
|
const Colour4b colour_clipped(255, 127, 0, 255);
|
|
|
|
for(std::size_t i=0; i<9; ++i)
|
|
m_primitives.back().m_points[i].colour = colour_clipped;
|
|
}
|
|
};
|
|
|
|
#if defined(_DEBUG)
|
|
#define DEBUG_SELECTION
|
|
#endif
|
|
|
|
#if defined(DEBUG_SELECTION)
|
|
Shader* g_state_clipped;
|
|
RenderableClippedPrimitive g_render_clipped;
|
|
#endif
|
|
|
|
|
|
#if 0
|
|
// dist_Point_to_Line(): get the distance of a point to a line.
|
|
// Input: a Point P and a Line L (in any dimension)
|
|
// Return: the shortest distance from P to L
|
|
float
|
|
dist_Point_to_Line( Point P, Line L)
|
|
{
|
|
Vector v = L.P1 - L.P0;
|
|
Vector w = P - L.P0;
|
|
|
|
double c1 = dot(w,v);
|
|
double c2 = dot(v,v);
|
|
double b = c1 / c2;
|
|
|
|
Point Pb = L.P0 + b * v;
|
|
return d(P, Pb);
|
|
}
|
|
#endif
|
|
|
|
class Segment3D
|
|
{
|
|
typedef Vector3 point_type;
|
|
public:
|
|
Segment3D(const point_type& _p0, const point_type& _p1)
|
|
: p0(_p0), p1(_p1)
|
|
{
|
|
}
|
|
|
|
point_type p0, p1;
|
|
};
|
|
|
|
typedef Vector3 Point3D;
|
|
|
|
inline double vector3_distance_squared(const Point3D& a, const Point3D& b)
|
|
{
|
|
return vector3_length_squared(b - a);
|
|
}
|
|
|
|
// get the distance of a point to a segment.
|
|
Point3D segment_closest_point_to_point(const Segment3D& segment, const Point3D& point)
|
|
{
|
|
Vector3 v = segment.p1 - segment.p0;
|
|
Vector3 w = point - segment.p0;
|
|
|
|
double c1 = vector3_dot(w,v);
|
|
if ( c1 <= 0 )
|
|
return segment.p0;
|
|
|
|
double c2 = vector3_dot(v,v);
|
|
if ( c2 <= c1 )
|
|
return segment.p1;
|
|
|
|
return Point3D(segment.p0 + v * (c1 / c2));
|
|
}
|
|
|
|
double segment_dist_to_point_3d(const Segment3D& segment, const Point3D& point)
|
|
{
|
|
return vector3_distance_squared(point, segment_closest_point_to_point(segment, point));
|
|
}
|
|
|
|
typedef Vector3 point_t;
|
|
typedef const Vector3* point_iterator_t;
|
|
|
|
// crossing number test for a point in a polygon
|
|
// This code is patterned after [Franklin, 2000]
|
|
bool point_test_polygon_2d( const point_t& P, point_iterator_t start, point_iterator_t finish )
|
|
{
|
|
std::size_t crossings = 0;
|
|
|
|
// loop through all edges of the polygon
|
|
for(point_iterator_t prev = finish-1, cur = start; cur != finish; prev = cur, ++cur)
|
|
{ // edge from (*prev) to (*cur)
|
|
if ((((*prev)[1] <= P[1]) && ((*cur)[1] > P[1])) // an upward crossing
|
|
|| (((*prev)[1] > P[1]) && ((*cur)[1] <= P[1])))
|
|
{ // a downward crossing
|
|
// compute the actual edge-ray intersect x-coordinate
|
|
float vt = (float)(P[1] - (*prev)[1]) / ((*cur)[1] - (*prev)[1]);
|
|
if (P[0] < (*prev)[0] + vt * ((*cur)[0] - (*prev)[0])) // P[0] < intersect
|
|
{
|
|
++crossings; // a valid crossing of y=P[1] right of P[0]
|
|
}
|
|
}
|
|
}
|
|
return (crossings & 0x1) != 0; // 0 if even (out), and 1 if odd (in)
|
|
}
|
|
|
|
inline double triangle_signed_area_XY(const Vector3& p0, const Vector3& p1, const Vector3& p2)
|
|
{
|
|
return ((p1[0] - p0[0]) * (p2[1] - p0[1])) - ((p2[0] - p0[0]) * (p1[1] - p0[1]));
|
|
}
|
|
|
|
enum clipcull_t
|
|
{
|
|
eClipCullNone,
|
|
eClipCullCW,
|
|
eClipCullCCW,
|
|
};
|
|
|
|
|
|
inline SelectionIntersection select_point_from_clipped(Vector4& clipped)
|
|
{
|
|
return SelectionIntersection(clipped[2] / clipped[3], static_cast<float>(vector3_length_squared(Vector3(clipped[0] / clipped[3], clipped[1] / clipped[3], 0))));
|
|
}
|
|
|
|
void BestPoint(std::size_t count, Vector4 clipped[9], SelectionIntersection& best, clipcull_t cull)
|
|
{
|
|
Vector3 normalised[9];
|
|
|
|
{
|
|
for(std::size_t i=0; i<count; ++i)
|
|
{
|
|
normalised[i][0] = clipped[i][0] / clipped[i][3];
|
|
normalised[i][1] = clipped[i][1] / clipped[i][3];
|
|
normalised[i][2] = clipped[i][2] / clipped[i][3];
|
|
}
|
|
}
|
|
|
|
if(cull != eClipCullNone && count > 2)
|
|
{
|
|
double signed_area = triangle_signed_area_XY(normalised[0], normalised[1], normalised[2]);
|
|
|
|
if((cull == eClipCullCW && signed_area > 0)
|
|
|| (cull == eClipCullCCW && signed_area < 0))
|
|
return;
|
|
}
|
|
|
|
if(count == 2)
|
|
{
|
|
Segment3D segment(normalised[0], normalised[1]);
|
|
Point3D point = segment_closest_point_to_point(segment, Vector3(0, 0, 0));
|
|
assign_if_closer(best, SelectionIntersection(point.z(), 0));
|
|
}
|
|
else if(count > 2 && !point_test_polygon_2d(Vector3(0, 0, 0), normalised, normalised + count))
|
|
{
|
|
point_iterator_t end = normalised + count;
|
|
for(point_iterator_t previous = end-1, current = normalised; current != end; previous = current, ++current)
|
|
{
|
|
Segment3D segment(*previous, *current);
|
|
Point3D point = segment_closest_point_to_point(segment, Vector3(0, 0, 0));
|
|
float depth = point.z();
|
|
point.z() = 0;
|
|
float distance = static_cast<float>(vector3_length_squared(point));
|
|
|
|
assign_if_closer(best, SelectionIntersection(depth, distance));
|
|
}
|
|
}
|
|
else if(count > 2)
|
|
{
|
|
assign_if_closer(
|
|
best,
|
|
SelectionIntersection(
|
|
static_cast<float>(ray_distance_to_plane(
|
|
Ray(Vector3(0, 0, 0), Vector3(0, 0, 1)),
|
|
plane3_for_points(normalised[0], normalised[1], normalised[2])
|
|
)),
|
|
0
|
|
)
|
|
);
|
|
}
|
|
|
|
#if defined(DEBUG_SELECTION)
|
|
if(count >= 2)
|
|
g_render_clipped.insert(clipped, count);
|
|
#endif
|
|
}
|
|
|
|
void LineStrip_BestPoint(const Matrix4& local2view, const PointVertex* vertices, const std::size_t size, SelectionIntersection& best)
|
|
{
|
|
Vector4 clipped[2];
|
|
for(std::size_t i = 0; (i + 1) < size; ++i)
|
|
{
|
|
const std::size_t count = matrix4_clip_line(local2view, vertex3f_to_vector3(vertices[i].vertex), vertex3f_to_vector3(vertices[i + 1].vertex), clipped);
|
|
BestPoint(count, clipped, best, eClipCullNone);
|
|
}
|
|
}
|
|
|
|
void LineLoop_BestPoint(const Matrix4& local2view, const PointVertex* vertices, const std::size_t size, SelectionIntersection& best)
|
|
{
|
|
Vector4 clipped[2];
|
|
for(std::size_t i = 0; i < size; ++i)
|
|
{
|
|
const std::size_t count = matrix4_clip_line(local2view, vertex3f_to_vector3(vertices[i].vertex), vertex3f_to_vector3(vertices[(i+1)%size].vertex), clipped);
|
|
BestPoint(count, clipped, best, eClipCullNone);
|
|
}
|
|
}
|
|
|
|
void Line_BestPoint(const Matrix4& local2view, const PointVertex vertices[2], SelectionIntersection& best)
|
|
{
|
|
Vector4 clipped[2];
|
|
const std::size_t count = matrix4_clip_line(local2view, vertex3f_to_vector3(vertices[0].vertex), vertex3f_to_vector3(vertices[1].vertex), clipped);
|
|
BestPoint(count, clipped, best, eClipCullNone);
|
|
}
|
|
|
|
void Circle_BestPoint(const Matrix4& local2view, clipcull_t cull, const PointVertex* vertices, const std::size_t size, SelectionIntersection& best)
|
|
{
|
|
Vector4 clipped[9];
|
|
for(std::size_t i=0; i<size; ++i)
|
|
{
|
|
const std::size_t count = matrix4_clip_triangle(local2view, g_vector3_identity, vertex3f_to_vector3(vertices[i].vertex), vertex3f_to_vector3(vertices[(i+1)%size].vertex), clipped);
|
|
BestPoint(count, clipped, best, cull);
|
|
}
|
|
}
|
|
|
|
void Quad_BestPoint(const Matrix4& local2view, clipcull_t cull, const PointVertex* vertices, SelectionIntersection& best)
|
|
{
|
|
Vector4 clipped[9];
|
|
{
|
|
const std::size_t count = matrix4_clip_triangle(local2view, vertex3f_to_vector3(vertices[0].vertex), vertex3f_to_vector3(vertices[1].vertex), vertex3f_to_vector3(vertices[3].vertex), clipped);
|
|
BestPoint(count, clipped, best, cull);
|
|
}
|
|
{
|
|
const std::size_t count = matrix4_clip_triangle(local2view, vertex3f_to_vector3(vertices[1].vertex), vertex3f_to_vector3(vertices[2].vertex), vertex3f_to_vector3(vertices[3].vertex), clipped);
|
|
BestPoint(count, clipped, best, cull);
|
|
}
|
|
}
|
|
|
|
struct FlatShadedVertex
|
|
{
|
|
Vertex3f vertex;
|
|
Colour4b colour;
|
|
Normal3f normal;
|
|
|
|
FlatShadedVertex()
|
|
{
|
|
}
|
|
};
|
|
|
|
|
|
typedef FlatShadedVertex* FlatShadedVertexIterator;
|
|
void Triangles_BestPoint(const Matrix4& local2view, clipcull_t cull, FlatShadedVertexIterator first, FlatShadedVertexIterator last, SelectionIntersection& best)
|
|
{
|
|
for(FlatShadedVertexIterator x(first), y(first+1), z(first+2); x != last; x += 3, y += 3, z +=3)
|
|
{
|
|
Vector4 clipped[9];
|
|
BestPoint(
|
|
matrix4_clip_triangle(
|
|
local2view,
|
|
reinterpret_cast<const Vector3&>((*x).vertex),
|
|
reinterpret_cast<const Vector3&>((*y).vertex),
|
|
reinterpret_cast<const Vector3&>((*z).vertex),
|
|
clipped
|
|
),
|
|
clipped,
|
|
best,
|
|
cull
|
|
);
|
|
}
|
|
}
|
|
|
|
|
|
typedef std::multimap<SelectionIntersection, Selectable*> SelectableSortedSet;
|
|
|
|
class SelectionPool : public Selector
|
|
{
|
|
SelectableSortedSet m_pool;
|
|
SelectionIntersection m_intersection;
|
|
Selectable* m_selectable;
|
|
|
|
public:
|
|
void pushSelectable(Selectable& selectable)
|
|
{
|
|
m_intersection = SelectionIntersection();
|
|
m_selectable = &selectable;
|
|
}
|
|
void popSelectable()
|
|
{
|
|
addSelectable(m_intersection, m_selectable);
|
|
m_intersection = SelectionIntersection();
|
|
}
|
|
void addIntersection(const SelectionIntersection& intersection)
|
|
{
|
|
assign_if_closer(m_intersection, intersection);
|
|
}
|
|
void addSelectable(const SelectionIntersection& intersection, Selectable* selectable)
|
|
{
|
|
if(intersection.valid())
|
|
{
|
|
m_pool.insert(SelectableSortedSet::value_type(intersection, selectable));
|
|
}
|
|
}
|
|
|
|
typedef SelectableSortedSet::iterator iterator;
|
|
|
|
iterator begin()
|
|
{
|
|
return m_pool.begin();
|
|
}
|
|
iterator end()
|
|
{
|
|
return m_pool.end();
|
|
}
|
|
|
|
bool failed()
|
|
{
|
|
return m_pool.empty();
|
|
}
|
|
};
|
|
|
|
|
|
const Colour4b g_colour_sphere(0, 0, 0, 255);
|
|
const Colour4b g_colour_screen(0, 255, 255, 255);
|
|
const Colour4b g_colour_selected(255, 255, 0, 255);
|
|
|
|
inline const Colour4b& colourSelected(const Colour4b& colour, bool selected)
|
|
{
|
|
return (selected) ? g_colour_selected : colour;
|
|
}
|
|
|
|
template<typename remap_policy>
|
|
inline void draw_semicircle(const std::size_t segments, const float radius, PointVertex* vertices, remap_policy remap)
|
|
{
|
|
const double increment = c_pi / double(segments << 2);
|
|
|
|
std::size_t count = 0;
|
|
float x = radius;
|
|
float y = 0;
|
|
remap_policy::set(vertices[segments << 2].vertex, -radius, 0, 0);
|
|
while(count < segments)
|
|
{
|
|
PointVertex* i = vertices + count;
|
|
PointVertex* j = vertices + ((segments << 1) - (count + 1));
|
|
|
|
PointVertex* k = i + (segments << 1);
|
|
PointVertex* l = j + (segments << 1);
|
|
|
|
#if 0
|
|
PointVertex* m = i + (segments << 2);
|
|
PointVertex* n = j + (segments << 2);
|
|
PointVertex* o = k + (segments << 2);
|
|
PointVertex* p = l + (segments << 2);
|
|
#endif
|
|
|
|
remap_policy::set(i->vertex, x,-y, 0);
|
|
remap_policy::set(k->vertex,-y,-x, 0);
|
|
#if 0
|
|
remap_policy::set(m->vertex,-x, y, 0);
|
|
remap_policy::set(o->vertex, y, x, 0);
|
|
#endif
|
|
|
|
++count;
|
|
|
|
{
|
|
const double theta = increment * count;
|
|
x = static_cast<float>(radius * cos(theta));
|
|
y = static_cast<float>(radius * sin(theta));
|
|
}
|
|
|
|
remap_policy::set(j->vertex, y,-x, 0);
|
|
remap_policy::set(l->vertex,-x,-y, 0);
|
|
#if 0
|
|
remap_policy::set(n->vertex,-y, x, 0);
|
|
remap_policy::set(p->vertex, x, y, 0);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
class Manipulator
|
|
{
|
|
public:
|
|
virtual Manipulatable* GetManipulatable() = 0;
|
|
virtual void testSelect(const View& view, const Matrix4& pivot2world)
|
|
{
|
|
}
|
|
virtual void render(Renderer& renderer, const VolumeTest& volume, const Matrix4& pivot2world)
|
|
{
|
|
}
|
|
virtual void setSelected(bool select) = 0;
|
|
virtual bool isSelected() const = 0;
|
|
};
|
|
|
|
|
|
inline Vector3 normalised_safe(const Vector3& self)
|
|
{
|
|
if(vector3_equal(self, g_vector3_identity))
|
|
{
|
|
return g_vector3_identity;
|
|
}
|
|
return vector3_normalised(self);
|
|
}
|
|
|
|
|
|
class RotateManipulator : public Manipulator
|
|
{
|
|
struct RenderableCircle : public OpenGLRenderable
|
|
{
|
|
Array<PointVertex> m_vertices;
|
|
|
|
RenderableCircle(std::size_t size) : m_vertices(size)
|
|
{
|
|
}
|
|
void render(RenderStateFlags state) const
|
|
{
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(PointVertex), &m_vertices.data()->colour);
|
|
glVertexPointer(3, GL_FLOAT, sizeof(PointVertex), &m_vertices.data()->vertex);
|
|
glDrawArrays(GL_LINE_LOOP, 0, GLsizei(m_vertices.size()));
|
|
}
|
|
void setColour(const Colour4b& colour)
|
|
{
|
|
for(Array<PointVertex>::iterator i = m_vertices.begin(); i != m_vertices.end(); ++i)
|
|
{
|
|
(*i).colour = colour;
|
|
}
|
|
}
|
|
};
|
|
|
|
struct RenderableSemiCircle : public OpenGLRenderable
|
|
{
|
|
Array<PointVertex> m_vertices;
|
|
|
|
RenderableSemiCircle(std::size_t size) : m_vertices(size)
|
|
{
|
|
}
|
|
void render(RenderStateFlags state) const
|
|
{
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(PointVertex), &m_vertices.data()->colour);
|
|
glVertexPointer(3, GL_FLOAT, sizeof(PointVertex), &m_vertices.data()->vertex);
|
|
glDrawArrays(GL_LINE_STRIP, 0, GLsizei(m_vertices.size()));
|
|
}
|
|
void setColour(const Colour4b& colour)
|
|
{
|
|
for(Array<PointVertex>::iterator i = m_vertices.begin(); i != m_vertices.end(); ++i)
|
|
{
|
|
(*i).colour = colour;
|
|
}
|
|
}
|
|
};
|
|
|
|
RotateFree m_free;
|
|
RotateAxis m_axis;
|
|
Vector3 m_axis_screen;
|
|
RenderableSemiCircle m_circle_x;
|
|
RenderableSemiCircle m_circle_y;
|
|
RenderableSemiCircle m_circle_z;
|
|
RenderableCircle m_circle_screen;
|
|
RenderableCircle m_circle_sphere;
|
|
SelectableBool m_selectable_x;
|
|
SelectableBool m_selectable_y;
|
|
SelectableBool m_selectable_z;
|
|
SelectableBool m_selectable_screen;
|
|
SelectableBool m_selectable_sphere;
|
|
Pivot2World m_pivot;
|
|
Matrix4 m_local2world_x;
|
|
Matrix4 m_local2world_y;
|
|
Matrix4 m_local2world_z;
|
|
bool m_circle_x_visible;
|
|
bool m_circle_y_visible;
|
|
bool m_circle_z_visible;
|
|
public:
|
|
static Shader* m_state_outer;
|
|
|
|
RotateManipulator(Rotatable& rotatable, std::size_t segments, float radius) :
|
|
m_free(rotatable),
|
|
m_axis(rotatable),
|
|
m_circle_x((segments << 2) + 1),
|
|
m_circle_y((segments << 2) + 1),
|
|
m_circle_z((segments << 2) + 1),
|
|
m_circle_screen(segments<<3),
|
|
m_circle_sphere(segments<<3)
|
|
{
|
|
draw_semicircle(segments, radius, m_circle_x.m_vertices.data(), RemapYZX());
|
|
draw_semicircle(segments, radius, m_circle_y.m_vertices.data(), RemapZXY());
|
|
draw_semicircle(segments, radius, m_circle_z.m_vertices.data(), RemapXYZ());
|
|
|
|
draw_circle(segments, radius * 1.15f, m_circle_screen.m_vertices.data(), RemapXYZ());
|
|
draw_circle(segments, radius, m_circle_sphere.m_vertices.data(), RemapXYZ());
|
|
}
|
|
|
|
|
|
void UpdateColours()
|
|
{
|
|
m_circle_x.setColour(colourSelected(g_colour_x, m_selectable_x.isSelected()));
|
|
m_circle_y.setColour(colourSelected(g_colour_y, m_selectable_y.isSelected()));
|
|
m_circle_z.setColour(colourSelected(g_colour_z, m_selectable_z.isSelected()));
|
|
m_circle_screen.setColour(colourSelected(g_colour_screen, m_selectable_screen.isSelected()));
|
|
m_circle_sphere.setColour(colourSelected(g_colour_sphere, false));
|
|
}
|
|
|
|
void updateCircleTransforms()
|
|
{
|
|
Vector3 localViewpoint(matrix4_transformed_direction(matrix4_transposed(m_pivot.m_worldSpace), vector4_to_vector3(m_pivot.m_viewpointSpace.z())));
|
|
|
|
m_circle_x_visible = !vector3_equal_epsilon(g_vector3_axis_x, localViewpoint, 1e-6f);
|
|
if(m_circle_x_visible)
|
|
{
|
|
m_local2world_x = g_matrix4_identity;
|
|
vector4_to_vector3(m_local2world_x.y()) = normalised_safe(
|
|
vector3_cross(g_vector3_axis_x, localViewpoint)
|
|
);
|
|
vector4_to_vector3(m_local2world_x.z()) = normalised_safe(
|
|
vector3_cross(vector4_to_vector3(m_local2world_x.x()), vector4_to_vector3(m_local2world_x.y()))
|
|
);
|
|
matrix4_premultiply_by_matrix4(m_local2world_x, m_pivot.m_worldSpace);
|
|
}
|
|
|
|
m_circle_y_visible = !vector3_equal_epsilon(g_vector3_axis_y, localViewpoint, 1e-6f);
|
|
if(m_circle_y_visible)
|
|
{
|
|
m_local2world_y = g_matrix4_identity;
|
|
vector4_to_vector3(m_local2world_y.z()) = normalised_safe(
|
|
vector3_cross(g_vector3_axis_y, localViewpoint)
|
|
);
|
|
vector4_to_vector3(m_local2world_y.x()) = normalised_safe(
|
|
vector3_cross(vector4_to_vector3(m_local2world_y.y()), vector4_to_vector3(m_local2world_y.z()))
|
|
);
|
|
matrix4_premultiply_by_matrix4(m_local2world_y, m_pivot.m_worldSpace);
|
|
}
|
|
|
|
m_circle_z_visible = !vector3_equal_epsilon(g_vector3_axis_z, localViewpoint, 1e-6f);
|
|
if(m_circle_z_visible)
|
|
{
|
|
m_local2world_z = g_matrix4_identity;
|
|
vector4_to_vector3(m_local2world_z.x()) = normalised_safe(
|
|
vector3_cross(g_vector3_axis_z, localViewpoint)
|
|
);
|
|
vector4_to_vector3(m_local2world_z.y()) = normalised_safe(
|
|
vector3_cross(vector4_to_vector3(m_local2world_z.z()), vector4_to_vector3(m_local2world_z.x()))
|
|
);
|
|
matrix4_premultiply_by_matrix4(m_local2world_z, m_pivot.m_worldSpace);
|
|
}
|
|
}
|
|
|
|
void render(Renderer& renderer, const VolumeTest& volume, const Matrix4& pivot2world)
|
|
{
|
|
m_pivot.update(pivot2world, volume.GetModelview(), volume.GetProjection(), volume.GetViewport());
|
|
updateCircleTransforms();
|
|
|
|
// temp hack
|
|
UpdateColours();
|
|
|
|
renderer.SetState(m_state_outer, Renderer::eWireframeOnly);
|
|
renderer.SetState(m_state_outer, Renderer::eFullMaterials);
|
|
|
|
renderer.addRenderable(m_circle_screen, m_pivot.m_viewpointSpace);
|
|
renderer.addRenderable(m_circle_sphere, m_pivot.m_viewpointSpace);
|
|
|
|
if(m_circle_x_visible)
|
|
{
|
|
renderer.addRenderable(m_circle_x, m_local2world_x);
|
|
}
|
|
if(m_circle_y_visible)
|
|
{
|
|
renderer.addRenderable(m_circle_y, m_local2world_y);
|
|
}
|
|
if(m_circle_z_visible)
|
|
{
|
|
renderer.addRenderable(m_circle_z, m_local2world_z);
|
|
}
|
|
}
|
|
void testSelect(const View& view, const Matrix4& pivot2world)
|
|
{
|
|
m_pivot.update(pivot2world, view.GetModelview(), view.GetProjection(), view.GetViewport());
|
|
updateCircleTransforms();
|
|
|
|
SelectionPool selector;
|
|
|
|
{
|
|
{
|
|
Matrix4 local2view(matrix4_multiplied_by_matrix4(view.GetViewMatrix(), m_local2world_x));
|
|
|
|
#if defined(DEBUG_SELECTION)
|
|
g_render_clipped.construct(view.GetViewMatrix());
|
|
#endif
|
|
|
|
SelectionIntersection best;
|
|
LineStrip_BestPoint(local2view, m_circle_x.m_vertices.data(), m_circle_x.m_vertices.size(), best);
|
|
selector.addSelectable(best, &m_selectable_x);
|
|
}
|
|
|
|
{
|
|
Matrix4 local2view(matrix4_multiplied_by_matrix4(view.GetViewMatrix(), m_local2world_y));
|
|
|
|
#if defined(DEBUG_SELECTION)
|
|
g_render_clipped.construct(view.GetViewMatrix());
|
|
#endif
|
|
|
|
SelectionIntersection best;
|
|
LineStrip_BestPoint(local2view, m_circle_y.m_vertices.data(), m_circle_y.m_vertices.size(), best);
|
|
selector.addSelectable(best, &m_selectable_y);
|
|
}
|
|
|
|
{
|
|
Matrix4 local2view(matrix4_multiplied_by_matrix4(view.GetViewMatrix(), m_local2world_z));
|
|
|
|
#if defined(DEBUG_SELECTION)
|
|
g_render_clipped.construct(view.GetViewMatrix());
|
|
#endif
|
|
|
|
SelectionIntersection best;
|
|
LineStrip_BestPoint(local2view, m_circle_z.m_vertices.data(), m_circle_z.m_vertices.size(), best);
|
|
selector.addSelectable(best, &m_selectable_z);
|
|
}
|
|
}
|
|
|
|
{
|
|
Matrix4 local2view(matrix4_multiplied_by_matrix4(view.GetViewMatrix(), m_pivot.m_viewpointSpace));
|
|
|
|
{
|
|
SelectionIntersection best;
|
|
LineLoop_BestPoint(local2view, m_circle_screen.m_vertices.data(), m_circle_screen.m_vertices.size(), best);
|
|
selector.addSelectable(best, &m_selectable_screen);
|
|
}
|
|
|
|
{
|
|
SelectionIntersection best;
|
|
Circle_BestPoint(local2view, eClipCullCW, m_circle_sphere.m_vertices.data(), m_circle_sphere.m_vertices.size(), best);
|
|
selector.addSelectable(best, &m_selectable_sphere);
|
|
}
|
|
}
|
|
|
|
m_axis_screen = m_pivot.m_axis_screen;
|
|
|
|
if(!selector.failed())
|
|
{
|
|
(*selector.begin()).second->setSelected(true);
|
|
}
|
|
}
|
|
|
|
Manipulatable* GetManipulatable()
|
|
{
|
|
if(m_selectable_x.isSelected())
|
|
{
|
|
m_axis.SetAxis(g_vector3_axis_x);
|
|
return &m_axis;
|
|
}
|
|
else if(m_selectable_y.isSelected())
|
|
{
|
|
m_axis.SetAxis(g_vector3_axis_y);
|
|
return &m_axis;
|
|
}
|
|
else if(m_selectable_z.isSelected())
|
|
{
|
|
m_axis.SetAxis(g_vector3_axis_z);
|
|
return &m_axis;
|
|
}
|
|
else if(m_selectable_screen.isSelected())
|
|
{
|
|
m_axis.SetAxis(m_axis_screen);
|
|
return &m_axis;
|
|
}
|
|
else
|
|
return &m_free;
|
|
}
|
|
|
|
void setSelected(bool select)
|
|
{
|
|
m_selectable_x.setSelected(select);
|
|
m_selectable_y.setSelected(select);
|
|
m_selectable_z.setSelected(select);
|
|
m_selectable_screen.setSelected(select);
|
|
}
|
|
bool isSelected() const
|
|
{
|
|
return m_selectable_x.isSelected()
|
|
| m_selectable_y.isSelected()
|
|
| m_selectable_z.isSelected()
|
|
| m_selectable_screen.isSelected()
|
|
| m_selectable_sphere.isSelected();
|
|
}
|
|
};
|
|
|
|
Shader* RotateManipulator::m_state_outer;
|
|
|
|
|
|
const float arrowhead_length = 16;
|
|
const float arrowhead_radius = 4;
|
|
|
|
inline void draw_arrowline(const float length, PointVertex* line, const std::size_t axis)
|
|
{
|
|
(*line++).vertex = vertex3f_identity;
|
|
(*line).vertex = vertex3f_identity;
|
|
vertex3f_to_array((*line).vertex)[axis] = length - arrowhead_length;
|
|
}
|
|
|
|
template<typename VertexRemap, typename NormalRemap>
|
|
inline void draw_arrowhead(const std::size_t segments, const float length, FlatShadedVertex* vertices, VertexRemap, NormalRemap)
|
|
{
|
|
std::size_t head_tris = (segments << 3);
|
|
const double head_segment = c_2pi / head_tris;
|
|
for(std::size_t i = 0; i < head_tris; ++i)
|
|
{
|
|
{
|
|
FlatShadedVertex& point = vertices[i*6+0];
|
|
VertexRemap::x(point.vertex) = length - arrowhead_length;
|
|
VertexRemap::y(point.vertex) = arrowhead_radius * static_cast<float>(cos(i * head_segment));
|
|
VertexRemap::z(point.vertex) = arrowhead_radius * static_cast<float>(sin(i * head_segment));
|
|
NormalRemap::x(point.normal) = arrowhead_radius / arrowhead_length;
|
|
NormalRemap::y(point.normal) = static_cast<float>(cos(i * head_segment));
|
|
NormalRemap::z(point.normal) = static_cast<float>(sin(i * head_segment));
|
|
}
|
|
{
|
|
FlatShadedVertex& point = vertices[i*6+1];
|
|
VertexRemap::x(point.vertex) = length;
|
|
VertexRemap::y(point.vertex) = 0;
|
|
VertexRemap::z(point.vertex) = 0;
|
|
NormalRemap::x(point.normal) = arrowhead_radius / arrowhead_length;
|
|
NormalRemap::y(point.normal) = static_cast<float>(cos((i + 0.5) * head_segment));
|
|
NormalRemap::z(point.normal) = static_cast<float>(sin((i + 0.5) * head_segment));
|
|
}
|
|
{
|
|
FlatShadedVertex& point = vertices[i*6+2];
|
|
VertexRemap::x(point.vertex) = length - arrowhead_length;
|
|
VertexRemap::y(point.vertex) = arrowhead_radius * static_cast<float>(cos((i+1) * head_segment));
|
|
VertexRemap::z(point.vertex) = arrowhead_radius * static_cast<float>(sin((i+1) * head_segment));
|
|
NormalRemap::x(point.normal) = arrowhead_radius / arrowhead_length;
|
|
NormalRemap::y(point.normal) = static_cast<float>(cos((i+1) * head_segment));
|
|
NormalRemap::z(point.normal) = static_cast<float>(sin((i+1) * head_segment));
|
|
}
|
|
|
|
{
|
|
FlatShadedVertex& point = vertices[i*6+3];
|
|
VertexRemap::x(point.vertex) = length - arrowhead_length;
|
|
VertexRemap::y(point.vertex) = 0;
|
|
VertexRemap::z(point.vertex) = 0;
|
|
NormalRemap::x(point.normal) = -1;
|
|
NormalRemap::y(point.normal) = 0;
|
|
NormalRemap::z(point.normal) = 0;
|
|
}
|
|
{
|
|
FlatShadedVertex& point = vertices[i*6+4];
|
|
VertexRemap::x(point.vertex) = length - arrowhead_length;
|
|
VertexRemap::y(point.vertex) = arrowhead_radius * static_cast<float>(cos(i * head_segment));
|
|
VertexRemap::z(point.vertex) = arrowhead_radius * static_cast<float>(sin(i * head_segment));
|
|
NormalRemap::x(point.normal) = -1;
|
|
NormalRemap::y(point.normal) = 0;
|
|
NormalRemap::z(point.normal) = 0;
|
|
}
|
|
{
|
|
FlatShadedVertex& point = vertices[i*6+5];
|
|
VertexRemap::x(point.vertex) = length - arrowhead_length;
|
|
VertexRemap::y(point.vertex) = arrowhead_radius * static_cast<float>(cos((i+1) * head_segment));
|
|
VertexRemap::z(point.vertex) = arrowhead_radius * static_cast<float>(sin((i+1) * head_segment));
|
|
NormalRemap::x(point.normal) = -1;
|
|
NormalRemap::y(point.normal) = 0;
|
|
NormalRemap::z(point.normal) = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
template<typename Triple>
|
|
class TripleRemapXYZ
|
|
{
|
|
public:
|
|
static float& x(Triple& triple)
|
|
{
|
|
return triple.x();
|
|
}
|
|
static float& y(Triple& triple)
|
|
{
|
|
return triple.y();
|
|
}
|
|
static float& z(Triple& triple)
|
|
{
|
|
return triple.z();
|
|
}
|
|
};
|
|
|
|
template<typename Triple>
|
|
class TripleRemapYZX
|
|
{
|
|
public:
|
|
static float& x(Triple& triple)
|
|
{
|
|
return triple.y();
|
|
}
|
|
static float& y(Triple& triple)
|
|
{
|
|
return triple.z();
|
|
}
|
|
static float& z(Triple& triple)
|
|
{
|
|
return triple.x();
|
|
}
|
|
};
|
|
|
|
template<typename Triple>
|
|
class TripleRemapZXY
|
|
{
|
|
public:
|
|
static float& x(Triple& triple)
|
|
{
|
|
return triple.z();
|
|
}
|
|
static float& y(Triple& triple)
|
|
{
|
|
return triple.x();
|
|
}
|
|
static float& z(Triple& triple)
|
|
{
|
|
return triple.y();
|
|
}
|
|
};
|
|
|
|
void vector3_print(const Vector3& v)
|
|
{
|
|
globalOutputStream() << "( " << v.x() << " " << v.y() << " " << v.z() << " )";
|
|
}
|
|
|
|
class TranslateManipulator : public Manipulator
|
|
{
|
|
struct RenderableArrowLine : public OpenGLRenderable
|
|
{
|
|
PointVertex m_line[2];
|
|
|
|
RenderableArrowLine()
|
|
{
|
|
}
|
|
void render(RenderStateFlags state) const
|
|
{
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(PointVertex), &m_line[0].colour);
|
|
glVertexPointer(3, GL_FLOAT, sizeof(PointVertex), &m_line[0].vertex);
|
|
glDrawArrays(GL_LINES, 0, 2);
|
|
}
|
|
void setColour(const Colour4b& colour)
|
|
{
|
|
m_line[0].colour = colour;
|
|
m_line[1].colour = colour;
|
|
}
|
|
};
|
|
struct RenderableArrowHead : public OpenGLRenderable
|
|
{
|
|
Array<FlatShadedVertex> m_vertices;
|
|
|
|
RenderableArrowHead(std::size_t size)
|
|
: m_vertices(size)
|
|
{
|
|
}
|
|
void render(RenderStateFlags state) const
|
|
{
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(FlatShadedVertex), &m_vertices.data()->colour);
|
|
glVertexPointer(3, GL_FLOAT, sizeof(FlatShadedVertex), &m_vertices.data()->vertex);
|
|
glNormalPointer(GL_FLOAT, sizeof(FlatShadedVertex), &m_vertices.data()->normal);
|
|
glDrawArrays(GL_TRIANGLES, 0, GLsizei(m_vertices.size()));
|
|
}
|
|
void setColour(const Colour4b& colour)
|
|
{
|
|
for(Array<FlatShadedVertex>::iterator i = m_vertices.begin(); i != m_vertices.end(); ++i)
|
|
{
|
|
(*i).colour = colour;
|
|
}
|
|
}
|
|
};
|
|
struct RenderableQuad : public OpenGLRenderable
|
|
{
|
|
PointVertex m_quad[4];
|
|
void render(RenderStateFlags state) const
|
|
{
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(PointVertex), &m_quad[0].colour);
|
|
glVertexPointer(3, GL_FLOAT, sizeof(PointVertex), &m_quad[0].vertex);
|
|
glDrawArrays(GL_LINE_LOOP, 0, 4);
|
|
}
|
|
void setColour(const Colour4b& colour)
|
|
{
|
|
m_quad[0].colour = colour;
|
|
m_quad[1].colour = colour;
|
|
m_quad[2].colour = colour;
|
|
m_quad[3].colour = colour;
|
|
}
|
|
};
|
|
|
|
TranslateFree m_free;
|
|
TranslateAxis m_axis;
|
|
RenderableArrowLine m_arrow_x;
|
|
RenderableArrowLine m_arrow_y;
|
|
RenderableArrowLine m_arrow_z;
|
|
RenderableArrowHead m_arrow_head_x;
|
|
RenderableArrowHead m_arrow_head_y;
|
|
RenderableArrowHead m_arrow_head_z;
|
|
RenderableQuad m_quad_screen;
|
|
SelectableBool m_selectable_x;
|
|
SelectableBool m_selectable_y;
|
|
SelectableBool m_selectable_z;
|
|
SelectableBool m_selectable_screen;
|
|
Pivot2World m_pivot;
|
|
public:
|
|
static Shader* m_state_wire;
|
|
static Shader* m_state_fill;
|
|
|
|
TranslateManipulator(Translatable& translatable, std::size_t segments, float length) :
|
|
m_free(translatable),
|
|
m_axis(translatable),
|
|
m_arrow_head_x(3 * 2 * (segments << 3)),
|
|
m_arrow_head_y(3 * 2 * (segments << 3)),
|
|
m_arrow_head_z(3 * 2 * (segments << 3))
|
|
{
|
|
draw_arrowline(length, m_arrow_x.m_line, 0);
|
|
draw_arrowhead(segments, length, m_arrow_head_x.m_vertices.data(), TripleRemapXYZ<Vertex3f>(), TripleRemapXYZ<Normal3f>());
|
|
draw_arrowline(length, m_arrow_y.m_line, 1);
|
|
draw_arrowhead(segments, length, m_arrow_head_y.m_vertices.data(), TripleRemapYZX<Vertex3f>(), TripleRemapYZX<Normal3f>());
|
|
draw_arrowline(length, m_arrow_z.m_line, 2);
|
|
draw_arrowhead(segments, length, m_arrow_head_z.m_vertices.data(), TripleRemapZXY<Vertex3f>(), TripleRemapZXY<Normal3f>());
|
|
|
|
draw_quad(16, m_quad_screen.m_quad);
|
|
}
|
|
|
|
void UpdateColours()
|
|
{
|
|
m_arrow_x.setColour(colourSelected(g_colour_x, m_selectable_x.isSelected()));
|
|
m_arrow_head_x.setColour(colourSelected(g_colour_x, m_selectable_x.isSelected()));
|
|
m_arrow_y.setColour(colourSelected(g_colour_y, m_selectable_y.isSelected()));
|
|
m_arrow_head_y.setColour(colourSelected(g_colour_y, m_selectable_y.isSelected()));
|
|
m_arrow_z.setColour(colourSelected(g_colour_z, m_selectable_z.isSelected()));
|
|
m_arrow_head_z.setColour(colourSelected(g_colour_z, m_selectable_z.isSelected()));
|
|
m_quad_screen.setColour(colourSelected(g_colour_screen, m_selectable_screen.isSelected()));
|
|
}
|
|
|
|
bool manipulator_show_axis(const Pivot2World& pivot, const Vector3& axis)
|
|
{
|
|
return fabs(vector3_dot(pivot.m_axis_screen, axis)) < 0.95;
|
|
}
|
|
|
|
void render(Renderer& renderer, const VolumeTest& volume, const Matrix4& pivot2world)
|
|
{
|
|
m_pivot.update(pivot2world, volume.GetModelview(), volume.GetProjection(), volume.GetViewport());
|
|
|
|
// temp hack
|
|
UpdateColours();
|
|
|
|
Vector3 x = vector3_normalised(vector4_to_vector3(m_pivot.m_worldSpace.x()));
|
|
bool show_x = manipulator_show_axis(m_pivot, x);
|
|
|
|
Vector3 y = vector3_normalised(vector4_to_vector3(m_pivot.m_worldSpace.y()));
|
|
bool show_y = manipulator_show_axis(m_pivot, y);
|
|
|
|
Vector3 z = vector3_normalised(vector4_to_vector3(m_pivot.m_worldSpace.z()));
|
|
bool show_z = manipulator_show_axis(m_pivot, z);
|
|
|
|
renderer.SetState(m_state_wire, Renderer::eWireframeOnly);
|
|
renderer.SetState(m_state_wire, Renderer::eFullMaterials);
|
|
|
|
if(show_x)
|
|
{
|
|
renderer.addRenderable(m_arrow_x, m_pivot.m_worldSpace);
|
|
}
|
|
if(show_y)
|
|
{
|
|
renderer.addRenderable(m_arrow_y, m_pivot.m_worldSpace);
|
|
}
|
|
if(show_z)
|
|
{
|
|
renderer.addRenderable(m_arrow_z, m_pivot.m_worldSpace);
|
|
}
|
|
|
|
renderer.addRenderable(m_quad_screen, m_pivot.m_viewplaneSpace);
|
|
|
|
renderer.SetState(m_state_fill, Renderer::eWireframeOnly);
|
|
renderer.SetState(m_state_fill, Renderer::eFullMaterials);
|
|
|
|
if(show_x)
|
|
{
|
|
renderer.addRenderable(m_arrow_head_x, m_pivot.m_worldSpace);
|
|
}
|
|
if(show_y)
|
|
{
|
|
renderer.addRenderable(m_arrow_head_y, m_pivot.m_worldSpace);
|
|
}
|
|
if(show_z)
|
|
{
|
|
renderer.addRenderable(m_arrow_head_z, m_pivot.m_worldSpace);
|
|
}
|
|
}
|
|
void testSelect(const View& view, const Matrix4& pivot2world)
|
|
{
|
|
m_pivot.update(pivot2world, view.GetModelview(), view.GetProjection(), view.GetViewport());
|
|
|
|
SelectionPool selector;
|
|
|
|
Vector3 x = vector3_normalised(vector4_to_vector3(m_pivot.m_worldSpace.x()));
|
|
bool show_x = manipulator_show_axis(m_pivot, x);
|
|
|
|
Vector3 y = vector3_normalised(vector4_to_vector3(m_pivot.m_worldSpace.y()));
|
|
bool show_y = manipulator_show_axis(m_pivot, y);
|
|
|
|
Vector3 z = vector3_normalised(vector4_to_vector3(m_pivot.m_worldSpace.z()));
|
|
bool show_z = manipulator_show_axis(m_pivot, z);
|
|
|
|
{
|
|
Matrix4 local2view(matrix4_multiplied_by_matrix4(view.GetViewMatrix(), m_pivot.m_viewpointSpace));
|
|
|
|
{
|
|
SelectionIntersection best;
|
|
Quad_BestPoint(local2view, eClipCullCW, m_quad_screen.m_quad, best);
|
|
if(best.valid())
|
|
{
|
|
best = SelectionIntersection(0, 0);
|
|
selector.addSelectable(best, &m_selectable_screen);
|
|
}
|
|
}
|
|
}
|
|
|
|
{
|
|
Matrix4 local2view(matrix4_multiplied_by_matrix4(view.GetViewMatrix(), m_pivot.m_worldSpace));
|
|
|
|
#if defined(DEBUG_SELECTION)
|
|
g_render_clipped.construct(view.GetViewMatrix());
|
|
#endif
|
|
|
|
if(show_x)
|
|
{
|
|
SelectionIntersection best;
|
|
Line_BestPoint(local2view, m_arrow_x.m_line, best);
|
|
Triangles_BestPoint(local2view, eClipCullCW, m_arrow_head_x.m_vertices.begin(), m_arrow_head_x.m_vertices.end(), best);
|
|
selector.addSelectable(best, &m_selectable_x);
|
|
}
|
|
|
|
if(show_y)
|
|
{
|
|
SelectionIntersection best;
|
|
Line_BestPoint(local2view, m_arrow_y.m_line, best);
|
|
Triangles_BestPoint(local2view, eClipCullCW, m_arrow_head_y.m_vertices.begin(), m_arrow_head_y.m_vertices.end(), best);
|
|
selector.addSelectable(best, &m_selectable_y);
|
|
}
|
|
|
|
if(show_z)
|
|
{
|
|
SelectionIntersection best;
|
|
Line_BestPoint(local2view, m_arrow_z.m_line, best);
|
|
Triangles_BestPoint(local2view, eClipCullCW, m_arrow_head_z.m_vertices.begin(), m_arrow_head_z.m_vertices.end(), best);
|
|
selector.addSelectable(best, &m_selectable_z);
|
|
}
|
|
}
|
|
|
|
if(!selector.failed())
|
|
{
|
|
(*selector.begin()).second->setSelected(true);
|
|
}
|
|
}
|
|
|
|
Manipulatable* GetManipulatable()
|
|
{
|
|
if(m_selectable_x.isSelected())
|
|
{
|
|
m_axis.SetAxis(g_vector3_axis_x);
|
|
return &m_axis;
|
|
}
|
|
else if(m_selectable_y.isSelected())
|
|
{
|
|
m_axis.SetAxis(g_vector3_axis_y);
|
|
return &m_axis;
|
|
}
|
|
else if(m_selectable_z.isSelected())
|
|
{
|
|
m_axis.SetAxis(g_vector3_axis_z);
|
|
return &m_axis;
|
|
}
|
|
else
|
|
{
|
|
return &m_free;
|
|
}
|
|
}
|
|
|
|
void setSelected(bool select)
|
|
{
|
|
m_selectable_x.setSelected(select);
|
|
m_selectable_y.setSelected(select);
|
|
m_selectable_z.setSelected(select);
|
|
m_selectable_screen.setSelected(select);
|
|
}
|
|
bool isSelected() const
|
|
{
|
|
return m_selectable_x.isSelected()
|
|
| m_selectable_y.isSelected()
|
|
| m_selectable_z.isSelected()
|
|
| m_selectable_screen.isSelected();
|
|
}
|
|
};
|
|
|
|
Shader* TranslateManipulator::m_state_wire;
|
|
Shader* TranslateManipulator::m_state_fill;
|
|
|
|
class ScaleManipulator : public Manipulator
|
|
{
|
|
struct RenderableArrow : public OpenGLRenderable
|
|
{
|
|
PointVertex m_line[2];
|
|
|
|
void render(RenderStateFlags state) const
|
|
{
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(PointVertex), &m_line[0].colour);
|
|
glVertexPointer(3, GL_FLOAT, sizeof(PointVertex), &m_line[0].vertex);
|
|
glDrawArrays(GL_LINES, 0, 2);
|
|
}
|
|
void setColour(const Colour4b& colour)
|
|
{
|
|
m_line[0].colour = colour;
|
|
m_line[1].colour = colour;
|
|
}
|
|
};
|
|
struct RenderableQuad : public OpenGLRenderable
|
|
{
|
|
PointVertex m_quad[4];
|
|
void render(RenderStateFlags state) const
|
|
{
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(PointVertex), &m_quad[0].colour);
|
|
glVertexPointer(3, GL_FLOAT, sizeof(PointVertex), &m_quad[0].vertex);
|
|
glDrawArrays(GL_QUADS, 0, 4);
|
|
}
|
|
void setColour(const Colour4b& colour)
|
|
{
|
|
m_quad[0].colour = colour;
|
|
m_quad[1].colour = colour;
|
|
m_quad[2].colour = colour;
|
|
m_quad[3].colour = colour;
|
|
}
|
|
};
|
|
|
|
ScaleFree m_free;
|
|
ScaleAxis m_axis;
|
|
RenderableArrow m_arrow_x;
|
|
RenderableArrow m_arrow_y;
|
|
RenderableArrow m_arrow_z;
|
|
RenderableQuad m_quad_screen;
|
|
SelectableBool m_selectable_x;
|
|
SelectableBool m_selectable_y;
|
|
SelectableBool m_selectable_z;
|
|
SelectableBool m_selectable_screen;
|
|
Pivot2World m_pivot;
|
|
public:
|
|
ScaleManipulator(Scalable& scalable, std::size_t segments, float length) :
|
|
m_free(scalable),
|
|
m_axis(scalable)
|
|
{
|
|
draw_arrowline(length, m_arrow_x.m_line, 0);
|
|
draw_arrowline(length, m_arrow_y.m_line, 1);
|
|
draw_arrowline(length, m_arrow_z.m_line, 2);
|
|
|
|
draw_quad(16, m_quad_screen.m_quad);
|
|
}
|
|
|
|
Pivot2World& getPivot()
|
|
{
|
|
return m_pivot;
|
|
}
|
|
|
|
void UpdateColours()
|
|
{
|
|
m_arrow_x.setColour(colourSelected(g_colour_x, m_selectable_x.isSelected()));
|
|
m_arrow_y.setColour(colourSelected(g_colour_y, m_selectable_y.isSelected()));
|
|
m_arrow_z.setColour(colourSelected(g_colour_z, m_selectable_z.isSelected()));
|
|
m_quad_screen.setColour(colourSelected(g_colour_screen, m_selectable_screen.isSelected()));
|
|
}
|
|
|
|
void render(Renderer& renderer, const VolumeTest& volume, const Matrix4& pivot2world)
|
|
{
|
|
m_pivot.update(pivot2world, volume.GetModelview(), volume.GetProjection(), volume.GetViewport());
|
|
|
|
// temp hack
|
|
UpdateColours();
|
|
|
|
renderer.addRenderable(m_arrow_x, m_pivot.m_worldSpace);
|
|
renderer.addRenderable(m_arrow_y, m_pivot.m_worldSpace);
|
|
renderer.addRenderable(m_arrow_z, m_pivot.m_worldSpace);
|
|
|
|
renderer.addRenderable(m_quad_screen, m_pivot.m_viewpointSpace);
|
|
}
|
|
void testSelect(const View& view, const Matrix4& pivot2world)
|
|
{
|
|
m_pivot.update(pivot2world, view.GetModelview(), view.GetProjection(), view.GetViewport());
|
|
|
|
SelectionPool selector;
|
|
|
|
{
|
|
Matrix4 local2view(matrix4_multiplied_by_matrix4(view.GetViewMatrix(), m_pivot.m_worldSpace));
|
|
|
|
#if defined(DEBUG_SELECTION)
|
|
g_render_clipped.construct(view.GetViewMatrix());
|
|
#endif
|
|
|
|
{
|
|
SelectionIntersection best;
|
|
Line_BestPoint(local2view, m_arrow_x.m_line, best);
|
|
selector.addSelectable(best, &m_selectable_x);
|
|
}
|
|
|
|
{
|
|
SelectionIntersection best;
|
|
Line_BestPoint(local2view, m_arrow_y.m_line, best);
|
|
selector.addSelectable(best, &m_selectable_y);
|
|
}
|
|
|
|
{
|
|
SelectionIntersection best;
|
|
Line_BestPoint(local2view, m_arrow_z.m_line, best);
|
|
selector.addSelectable(best, &m_selectable_z);
|
|
}
|
|
}
|
|
|
|
{
|
|
Matrix4 local2view(matrix4_multiplied_by_matrix4(view.GetViewMatrix(), m_pivot.m_viewpointSpace));
|
|
|
|
{
|
|
SelectionIntersection best;
|
|
Quad_BestPoint(local2view, eClipCullCW, m_quad_screen.m_quad, best);
|
|
selector.addSelectable(best, &m_selectable_screen);
|
|
}
|
|
}
|
|
|
|
if(!selector.failed())
|
|
{
|
|
(*selector.begin()).second->setSelected(true);
|
|
}
|
|
}
|
|
|
|
Manipulatable* GetManipulatable()
|
|
{
|
|
if(m_selectable_x.isSelected())
|
|
{
|
|
m_axis.SetAxis(g_vector3_axis_x);
|
|
return &m_axis;
|
|
}
|
|
else if(m_selectable_y.isSelected())
|
|
{
|
|
m_axis.SetAxis(g_vector3_axis_y);
|
|
return &m_axis;
|
|
}
|
|
else if(m_selectable_z.isSelected())
|
|
{
|
|
m_axis.SetAxis(g_vector3_axis_z);
|
|
return &m_axis;
|
|
}
|
|
else
|
|
return &m_free;
|
|
}
|
|
|
|
void setSelected(bool select)
|
|
{
|
|
m_selectable_x.setSelected(select);
|
|
m_selectable_y.setSelected(select);
|
|
m_selectable_z.setSelected(select);
|
|
m_selectable_screen.setSelected(select);
|
|
}
|
|
bool isSelected() const
|
|
{
|
|
return m_selectable_x.isSelected()
|
|
| m_selectable_y.isSelected()
|
|
| m_selectable_z.isSelected()
|
|
| m_selectable_screen.isSelected();
|
|
}
|
|
};
|
|
|
|
|
|
inline PlaneSelectable* Instance_getPlaneSelectable(scene::Instance& instance)
|
|
{
|
|
return InstanceTypeCast<PlaneSelectable>::cast(instance);
|
|
}
|
|
|
|
class PlaneSelectableSelectPlanes : public scene::Graph::Walker
|
|
{
|
|
Selector& m_selector;
|
|
SelectionTest& m_test;
|
|
PlaneCallback m_selectedPlaneCallback;
|
|
public:
|
|
PlaneSelectableSelectPlanes(Selector& selector, SelectionTest& test, const PlaneCallback& selectedPlaneCallback)
|
|
: m_selector(selector), m_test(test), m_selectedPlaneCallback(selectedPlaneCallback)
|
|
{
|
|
}
|
|
bool pre(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
if(path.top().get().visible())
|
|
{
|
|
Selectable* selectable = Instance_getSelectable(instance);
|
|
if(selectable != 0 && selectable->isSelected())
|
|
{
|
|
PlaneSelectable* planeSelectable = Instance_getPlaneSelectable(instance);
|
|
if(planeSelectable != 0)
|
|
{
|
|
planeSelectable->selectPlanes(m_selector, m_test, m_selectedPlaneCallback);
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
class PlaneSelectableSelectReversedPlanes : public scene::Graph::Walker
|
|
{
|
|
Selector& m_selector;
|
|
const SelectedPlanes& m_selectedPlanes;
|
|
public:
|
|
PlaneSelectableSelectReversedPlanes(Selector& selector, const SelectedPlanes& selectedPlanes)
|
|
: m_selector(selector), m_selectedPlanes(selectedPlanes)
|
|
{
|
|
}
|
|
bool pre(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
if(path.top().get().visible())
|
|
{
|
|
Selectable* selectable = Instance_getSelectable(instance);
|
|
if(selectable != 0 && selectable->isSelected())
|
|
{
|
|
PlaneSelectable* planeSelectable = Instance_getPlaneSelectable(instance);
|
|
if(planeSelectable != 0)
|
|
{
|
|
planeSelectable->selectReversedPlanes(m_selector, m_selectedPlanes);
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
void Scene_forEachPlaneSelectable_selectPlanes(scene::Graph& graph, Selector& selector, SelectionTest& test, const PlaneCallback& selectedPlaneCallback)
|
|
{
|
|
graph.traverse(PlaneSelectableSelectPlanes(selector, test, selectedPlaneCallback));
|
|
}
|
|
|
|
void Scene_forEachPlaneSelectable_selectReversedPlanes(scene::Graph& graph, Selector& selector, const SelectedPlanes& selectedPlanes)
|
|
{
|
|
graph.traverse(PlaneSelectableSelectReversedPlanes(selector, selectedPlanes));
|
|
}
|
|
|
|
|
|
class PlaneLess
|
|
{
|
|
public:
|
|
bool operator()(const Plane3& plane, const Plane3& other) const
|
|
{
|
|
if(plane.a < other.a)
|
|
{
|
|
return true;
|
|
}
|
|
if(other.a < plane.a)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(plane.b < other.b)
|
|
{
|
|
return true;
|
|
}
|
|
if(other.b < plane.b)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(plane.c < other.c)
|
|
{
|
|
return true;
|
|
}
|
|
if(other.c < plane.c)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(plane.d < other.d)
|
|
{
|
|
return true;
|
|
}
|
|
if(other.d < plane.d)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
};
|
|
|
|
typedef std::set<Plane3, PlaneLess> PlaneSet;
|
|
|
|
inline void PlaneSet_insert(PlaneSet& self, const Plane3& plane)
|
|
{
|
|
self.insert(plane);
|
|
}
|
|
|
|
inline bool PlaneSet_contains(const PlaneSet& self, const Plane3& plane)
|
|
{
|
|
return self.find(plane) != self.end();
|
|
}
|
|
|
|
|
|
class SelectedPlaneSet : public SelectedPlanes
|
|
{
|
|
PlaneSet m_selectedPlanes;
|
|
public:
|
|
bool empty() const
|
|
{
|
|
return m_selectedPlanes.empty();
|
|
}
|
|
|
|
void insert(const Plane3& plane)
|
|
{
|
|
PlaneSet_insert(m_selectedPlanes, plane);
|
|
}
|
|
bool contains(const Plane3& plane) const
|
|
{
|
|
return PlaneSet_contains(m_selectedPlanes, plane);
|
|
}
|
|
typedef MemberCaller1<SelectedPlaneSet, const Plane3&, &SelectedPlaneSet::insert> InsertCaller;
|
|
};
|
|
|
|
|
|
bool Scene_forEachPlaneSelectable_selectPlanes(scene::Graph& graph, Selector& selector, SelectionTest& test)
|
|
{
|
|
SelectedPlaneSet selectedPlanes;
|
|
|
|
Scene_forEachPlaneSelectable_selectPlanes(graph, selector, test, SelectedPlaneSet::InsertCaller(selectedPlanes));
|
|
Scene_forEachPlaneSelectable_selectReversedPlanes(graph, selector, selectedPlanes);
|
|
|
|
return !selectedPlanes.empty();
|
|
}
|
|
|
|
void Scene_Translate_Component_Selected(scene::Graph& graph, const Vector3& translation);
|
|
void Scene_Translate_Selected(scene::Graph& graph, const Vector3& translation);
|
|
void Scene_TestSelect_Primitive(Selector& selector, SelectionTest& test, const VolumeTest& volume);
|
|
void Scene_TestSelect_Component(Selector& selector, SelectionTest& test, const VolumeTest& volume, SelectionSystem::EComponentMode componentMode);
|
|
void Scene_TestSelect_Component_Selected(Selector& selector, SelectionTest& test, const VolumeTest& volume, SelectionSystem::EComponentMode componentMode);
|
|
void Scene_SelectAll_Component(bool select, SelectionSystem::EComponentMode componentMode);
|
|
|
|
class ResizeTranslatable : public Translatable
|
|
{
|
|
void translate(const Vector3& translation)
|
|
{
|
|
Scene_Translate_Component_Selected(GlobalSceneGraph(), translation);
|
|
}
|
|
};
|
|
|
|
class DragTranslatable : public Translatable
|
|
{
|
|
void translate(const Vector3& translation)
|
|
{
|
|
if(GlobalSelectionSystem().Mode() == SelectionSystem::eComponent)
|
|
{
|
|
Scene_Translate_Component_Selected(GlobalSceneGraph(), translation);
|
|
}
|
|
else
|
|
{
|
|
Scene_Translate_Selected(GlobalSceneGraph(), translation);
|
|
}
|
|
}
|
|
};
|
|
|
|
class SelectionVolume : public SelectionTest
|
|
{
|
|
Matrix4 m_local2view;
|
|
const View& m_view;
|
|
clipcull_t m_cull;
|
|
Vector3 m_near;
|
|
Vector3 m_far;
|
|
public:
|
|
SelectionVolume(const View& view)
|
|
: m_view(view)
|
|
{
|
|
}
|
|
|
|
const VolumeTest& getVolume() const
|
|
{
|
|
return m_view;
|
|
}
|
|
|
|
const Vector3& getNear() const
|
|
{
|
|
return m_near;
|
|
}
|
|
const Vector3& getFar() const
|
|
{
|
|
return m_far;
|
|
}
|
|
|
|
void BeginMesh(const Matrix4& localToWorld, bool twoSided)
|
|
{
|
|
m_local2view = matrix4_multiplied_by_matrix4(m_view.GetViewMatrix(), localToWorld);
|
|
|
|
// Cull back-facing polygons based on winding being clockwise or counter-clockwise.
|
|
// Don't cull if the view is wireframe and the polygons are two-sided.
|
|
m_cull = twoSided && !m_view.fill() ? eClipCullNone : (matrix4_handedness(localToWorld) == MATRIX4_RIGHTHANDED) ? eClipCullCW : eClipCullCCW;
|
|
|
|
{
|
|
Matrix4 screen2world(matrix4_full_inverse(m_local2view));
|
|
|
|
m_near = vector4_projected(
|
|
matrix4_transformed_vector4(
|
|
screen2world,
|
|
Vector4(0, 0, -1, 1)
|
|
)
|
|
);
|
|
|
|
m_far = vector4_projected(
|
|
matrix4_transformed_vector4(
|
|
screen2world,
|
|
Vector4(0, 0, 1, 1)
|
|
)
|
|
);
|
|
}
|
|
|
|
#if defined(DEBUG_SELECTION)
|
|
g_render_clipped.construct(m_view.GetViewMatrix());
|
|
#endif
|
|
}
|
|
void TestPoint(const Vector3& point, SelectionIntersection& best)
|
|
{
|
|
Vector4 clipped;
|
|
if(matrix4_clip_point(m_local2view, point, clipped) == c_CLIP_PASS)
|
|
{
|
|
best = select_point_from_clipped(clipped);
|
|
}
|
|
}
|
|
void TestPolygon(const VertexPointer& vertices, std::size_t count, SelectionIntersection& best)
|
|
{
|
|
Vector4 clipped[9];
|
|
for(std::size_t i=0; i+2<count; ++i)
|
|
{
|
|
BestPoint(
|
|
matrix4_clip_triangle(
|
|
m_local2view,
|
|
reinterpret_cast<const Vector3&>(vertices[0]),
|
|
reinterpret_cast<const Vector3&>(vertices[i+1]),
|
|
reinterpret_cast<const Vector3&>(vertices[i+2]),
|
|
clipped
|
|
),
|
|
clipped,
|
|
best,
|
|
m_cull
|
|
);
|
|
}
|
|
}
|
|
void TestLineLoop(const VertexPointer& vertices, std::size_t count, SelectionIntersection& best)
|
|
{
|
|
if(count == 0)
|
|
return;
|
|
Vector4 clipped[9];
|
|
for(VertexPointer::iterator i = vertices.begin(), end = i + count, prev = i + (count-1); i != end; prev = i, ++i)
|
|
{
|
|
BestPoint(
|
|
matrix4_clip_line(
|
|
m_local2view,
|
|
reinterpret_cast<const Vector3&>((*prev)),
|
|
reinterpret_cast<const Vector3&>((*i)),
|
|
clipped
|
|
),
|
|
clipped,
|
|
best,
|
|
m_cull
|
|
);
|
|
}
|
|
}
|
|
void TestLineStrip(const VertexPointer& vertices, std::size_t count, SelectionIntersection& best)
|
|
{
|
|
if(count == 0)
|
|
return;
|
|
Vector4 clipped[9];
|
|
for(VertexPointer::iterator i = vertices.begin(), end = i + count, next = i + 1; next != end; i = next, ++next)
|
|
{
|
|
BestPoint(
|
|
matrix4_clip_line(
|
|
m_local2view,
|
|
reinterpret_cast<const Vector3&>((*i)),
|
|
reinterpret_cast<const Vector3&>((*next)),
|
|
clipped
|
|
),
|
|
clipped,
|
|
best,
|
|
m_cull
|
|
);
|
|
}
|
|
}
|
|
void TestLines(const VertexPointer& vertices, std::size_t count, SelectionIntersection& best)
|
|
{
|
|
if(count == 0)
|
|
return;
|
|
Vector4 clipped[9];
|
|
for(VertexPointer::iterator i = vertices.begin(), end = i + count; i != end; i += 2)
|
|
{
|
|
BestPoint(
|
|
matrix4_clip_line(
|
|
m_local2view,
|
|
reinterpret_cast<const Vector3&>((*i)),
|
|
reinterpret_cast<const Vector3&>((*(i+1))),
|
|
clipped
|
|
),
|
|
clipped,
|
|
best,
|
|
m_cull
|
|
);
|
|
}
|
|
}
|
|
void TestTriangles(const VertexPointer& vertices, const IndexPointer& indices, SelectionIntersection& best)
|
|
{
|
|
Vector4 clipped[9];
|
|
for(IndexPointer::iterator i(indices.begin()); i != indices.end(); i += 3)
|
|
{
|
|
BestPoint(
|
|
matrix4_clip_triangle(
|
|
m_local2view,
|
|
reinterpret_cast<const Vector3&>(vertices[*i]),
|
|
reinterpret_cast<const Vector3&>(vertices[*(i+1)]),
|
|
reinterpret_cast<const Vector3&>(vertices[*(i+2)]),
|
|
clipped
|
|
),
|
|
clipped,
|
|
best,
|
|
m_cull
|
|
);
|
|
}
|
|
}
|
|
void TestQuads(const VertexPointer& vertices, const IndexPointer& indices, SelectionIntersection& best)
|
|
{
|
|
Vector4 clipped[9];
|
|
for(IndexPointer::iterator i(indices.begin()); i != indices.end(); i += 4)
|
|
{
|
|
BestPoint(
|
|
matrix4_clip_triangle(
|
|
m_local2view,
|
|
reinterpret_cast<const Vector3&>(vertices[*i]),
|
|
reinterpret_cast<const Vector3&>(vertices[*(i+1)]),
|
|
reinterpret_cast<const Vector3&>(vertices[*(i+3)]),
|
|
clipped
|
|
),
|
|
clipped,
|
|
best,
|
|
m_cull
|
|
);
|
|
BestPoint(
|
|
matrix4_clip_triangle(
|
|
m_local2view,
|
|
reinterpret_cast<const Vector3&>(vertices[*(i+1)]),
|
|
reinterpret_cast<const Vector3&>(vertices[*(i+2)]),
|
|
reinterpret_cast<const Vector3&>(vertices[*(i+3)]),
|
|
clipped
|
|
),
|
|
clipped,
|
|
best,
|
|
m_cull
|
|
);
|
|
}
|
|
}
|
|
void TestQuadStrip(const VertexPointer& vertices, const IndexPointer& indices, SelectionIntersection& best)
|
|
{
|
|
Vector4 clipped[9];
|
|
for(IndexPointer::iterator i(indices.begin()); i+2 != indices.end(); i += 2)
|
|
{
|
|
BestPoint(
|
|
matrix4_clip_triangle(
|
|
m_local2view,
|
|
reinterpret_cast<const Vector3&>(vertices[*i]),
|
|
reinterpret_cast<const Vector3&>(vertices[*(i+1)]),
|
|
reinterpret_cast<const Vector3&>(vertices[*(i+2)]),
|
|
clipped
|
|
),
|
|
clipped,
|
|
best,
|
|
m_cull
|
|
);
|
|
BestPoint(
|
|
matrix4_clip_triangle(
|
|
m_local2view,
|
|
reinterpret_cast<const Vector3&>(vertices[*(i+2)]),
|
|
reinterpret_cast<const Vector3&>(vertices[*(i+1)]),
|
|
reinterpret_cast<const Vector3&>(vertices[*(i+3)]),
|
|
clipped
|
|
),
|
|
clipped,
|
|
best,
|
|
m_cull
|
|
);
|
|
}
|
|
}
|
|
};
|
|
|
|
class SelectionCounter
|
|
{
|
|
public:
|
|
typedef const Selectable& first_argument_type;
|
|
|
|
SelectionCounter(const SelectionChangeCallback& onchanged)
|
|
: m_count(0), m_onchanged(onchanged)
|
|
{
|
|
}
|
|
void operator()(const Selectable& selectable)
|
|
{
|
|
if(selectable.isSelected())
|
|
{
|
|
++m_count;
|
|
}
|
|
else
|
|
{
|
|
ASSERT_MESSAGE(m_count != 0, "selection counter underflow");
|
|
--m_count;
|
|
}
|
|
|
|
m_onchanged(selectable);
|
|
}
|
|
bool empty() const
|
|
{
|
|
return m_count == 0;
|
|
}
|
|
std::size_t size() const
|
|
{
|
|
return m_count;
|
|
}
|
|
private:
|
|
std::size_t m_count;
|
|
SelectionChangeCallback m_onchanged;
|
|
};
|
|
|
|
inline void ConstructSelectionTest(View& view, const rect_t selection_box)
|
|
{
|
|
view.EnableScissor(selection_box.min[0], selection_box.max[0], selection_box.min[1], selection_box.max[1]);
|
|
}
|
|
|
|
inline const rect_t SelectionBoxForPoint(const float device_point[2], const float device_epsilon[2])
|
|
{
|
|
rect_t selection_box;
|
|
selection_box.min[0] = device_point[0] - device_epsilon[0];
|
|
selection_box.min[1] = device_point[1] - device_epsilon[1];
|
|
selection_box.max[0] = device_point[0] + device_epsilon[0];
|
|
selection_box.max[1] = device_point[1] + device_epsilon[1];
|
|
return selection_box;
|
|
}
|
|
|
|
inline const rect_t SelectionBoxForArea(const float device_point[2], const float device_delta[2])
|
|
{
|
|
rect_t selection_box;
|
|
selection_box.min[0] = (device_delta[0] < 0) ? (device_point[0] + device_delta[0]) : (device_point[0]);
|
|
selection_box.min[1] = (device_delta[1] < 0) ? (device_point[1] + device_delta[1]) : (device_point[1]);
|
|
selection_box.max[0] = (device_delta[0] > 0) ? (device_point[0] + device_delta[0]) : (device_point[0]);
|
|
selection_box.max[1] = (device_delta[1] > 0) ? (device_point[1] + device_delta[1]) : (device_point[1]);
|
|
return selection_box;
|
|
}
|
|
|
|
Quaternion construct_local_rotation(const Quaternion& world, const Quaternion& localToWorld)
|
|
{
|
|
return quaternion_normalised(quaternion_multiplied_by_quaternion(
|
|
quaternion_normalised(quaternion_multiplied_by_quaternion(
|
|
quaternion_inverse(localToWorld),
|
|
world
|
|
)),
|
|
localToWorld
|
|
));
|
|
}
|
|
|
|
inline void matrix4_assign_rotation(Matrix4& matrix, const Matrix4& other)
|
|
{
|
|
matrix[0] = other[0];
|
|
matrix[1] = other[1];
|
|
matrix[2] = other[2];
|
|
matrix[4] = other[4];
|
|
matrix[5] = other[5];
|
|
matrix[6] = other[6];
|
|
matrix[8] = other[8];
|
|
matrix[9] = other[9];
|
|
matrix[10] = other[10];
|
|
}
|
|
|
|
void matrix4_assign_rotation_for_pivot(Matrix4& matrix, scene::Instance& instance)
|
|
{
|
|
Editable* editable = Node_getEditable(instance.path().top());
|
|
if(editable != 0)
|
|
{
|
|
matrix4_assign_rotation(matrix, matrix4_multiplied_by_matrix4(instance.localToWorld(), editable->getLocalPivot()));
|
|
}
|
|
else
|
|
{
|
|
matrix4_assign_rotation(matrix, instance.localToWorld());
|
|
}
|
|
}
|
|
|
|
inline bool Instance_isSelectedComponents(scene::Instance& instance)
|
|
{
|
|
ComponentSelectionTestable* componentSelectionTestable = Instance_getComponentSelectionTestable(instance);
|
|
return componentSelectionTestable != 0
|
|
&& componentSelectionTestable->isSelectedComponents();
|
|
}
|
|
|
|
class TranslateSelected : public SelectionSystem::Visitor
|
|
{
|
|
const Vector3& m_translate;
|
|
public:
|
|
TranslateSelected(const Vector3& translate)
|
|
: m_translate(translate)
|
|
{
|
|
}
|
|
void visit(scene::Instance& instance) const
|
|
{
|
|
Transformable* transform = Instance_getTransformable(instance);
|
|
if(transform != 0)
|
|
{
|
|
transform->setType(TRANSFORM_PRIMITIVE);
|
|
transform->setTranslation(m_translate);
|
|
}
|
|
}
|
|
};
|
|
|
|
void Scene_Translate_Selected(scene::Graph& graph, const Vector3& translation)
|
|
{
|
|
if(GlobalSelectionSystem().countSelected() != 0)
|
|
{
|
|
GlobalSelectionSystem().foreachSelected(TranslateSelected(translation));
|
|
}
|
|
}
|
|
|
|
Vector3 get_local_pivot(const Vector3& world_pivot, const Matrix4& localToWorld)
|
|
{
|
|
return Vector3(
|
|
matrix4_transformed_point(
|
|
matrix4_full_inverse(localToWorld),
|
|
world_pivot
|
|
)
|
|
);
|
|
}
|
|
|
|
void translation_for_pivoted_rotation(Vector3& parent_translation, const Quaternion& local_rotation, const Vector3& world_pivot, const Matrix4& localToWorld, const Matrix4& localToParent)
|
|
{
|
|
Vector3 local_pivot(get_local_pivot(world_pivot, localToWorld));
|
|
|
|
Vector3 translation(
|
|
vector3_added(
|
|
local_pivot,
|
|
matrix4_transformed_point(
|
|
matrix4_rotation_for_quaternion_quantised(local_rotation),
|
|
vector3_negated(local_pivot)
|
|
)
|
|
)
|
|
);
|
|
|
|
//globalOutputStream() << "translation: " << translation << "\n";
|
|
|
|
translation_local2object(parent_translation, translation, localToParent);
|
|
|
|
//globalOutputStream() << "parent_translation: " << parent_translation << "\n";
|
|
}
|
|
|
|
void translation_for_pivoted_scale(Vector3& parent_translation, const Vector3& local_scale, const Vector3& world_pivot, const Matrix4& localToWorld, const Matrix4& localToParent)
|
|
{
|
|
Vector3 local_pivot(get_local_pivot(world_pivot, localToWorld));
|
|
|
|
Vector3 translation(
|
|
vector3_added(
|
|
local_pivot,
|
|
vector3_scaled(
|
|
vector3_negated(local_pivot),
|
|
local_scale
|
|
)
|
|
)
|
|
);
|
|
|
|
translation_local2object(parent_translation, translation, localToParent);
|
|
}
|
|
|
|
class rotate_selected : public SelectionSystem::Visitor
|
|
{
|
|
const Quaternion& m_rotate;
|
|
const Vector3& m_world_pivot;
|
|
public:
|
|
rotate_selected(const Quaternion& rotation, const Vector3& world_pivot)
|
|
: m_rotate(rotation), m_world_pivot(world_pivot)
|
|
{
|
|
}
|
|
void visit(scene::Instance& instance) const
|
|
{
|
|
TransformNode* transformNode = Node_getTransformNode(instance.path().top());
|
|
if(transformNode != 0)
|
|
{
|
|
Transformable* transform = Instance_getTransformable(instance);
|
|
if(transform != 0)
|
|
{
|
|
transform->setType(TRANSFORM_PRIMITIVE);
|
|
transform->setScale(c_scale_identity);
|
|
transform->setTranslation(c_translation_identity);
|
|
|
|
transform->setType(TRANSFORM_PRIMITIVE);
|
|
transform->setRotation(m_rotate);
|
|
|
|
{
|
|
Editable* editable = Node_getEditable(instance.path().top());
|
|
const Matrix4& localPivot = editable != 0 ? editable->getLocalPivot() : g_matrix4_identity;
|
|
|
|
Vector3 parent_translation;
|
|
translation_for_pivoted_rotation(
|
|
parent_translation,
|
|
m_rotate,
|
|
m_world_pivot,
|
|
matrix4_multiplied_by_matrix4(instance.localToWorld(), localPivot),
|
|
matrix4_multiplied_by_matrix4(transformNode->localToParent(), localPivot)
|
|
);
|
|
|
|
transform->setTranslation(parent_translation);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
void Scene_Rotate_Selected(scene::Graph& graph, const Quaternion& rotation, const Vector3& world_pivot)
|
|
{
|
|
if(GlobalSelectionSystem().countSelected() != 0)
|
|
{
|
|
GlobalSelectionSystem().foreachSelected(rotate_selected(rotation, world_pivot));
|
|
}
|
|
}
|
|
|
|
class scale_selected : public SelectionSystem::Visitor
|
|
{
|
|
const Vector3& m_scale;
|
|
const Vector3& m_world_pivot;
|
|
public:
|
|
scale_selected(const Vector3& scaling, const Vector3& world_pivot)
|
|
: m_scale(scaling), m_world_pivot(world_pivot)
|
|
{
|
|
}
|
|
void visit(scene::Instance& instance) const
|
|
{
|
|
TransformNode* transformNode = Node_getTransformNode(instance.path().top());
|
|
if(transformNode != 0)
|
|
{
|
|
Transformable* transform = Instance_getTransformable(instance);
|
|
if(transform != 0)
|
|
{
|
|
transform->setType(TRANSFORM_PRIMITIVE);
|
|
transform->setScale(c_scale_identity);
|
|
transform->setTranslation(c_translation_identity);
|
|
|
|
transform->setType(TRANSFORM_PRIMITIVE);
|
|
transform->setScale(m_scale);
|
|
{
|
|
Editable* editable = Node_getEditable(instance.path().top());
|
|
const Matrix4& localPivot = editable != 0 ? editable->getLocalPivot() : g_matrix4_identity;
|
|
|
|
Vector3 parent_translation;
|
|
translation_for_pivoted_scale(
|
|
parent_translation,
|
|
m_scale,
|
|
m_world_pivot,
|
|
matrix4_multiplied_by_matrix4(instance.localToWorld(), localPivot),
|
|
matrix4_multiplied_by_matrix4(transformNode->localToParent(), localPivot)
|
|
);
|
|
|
|
transform->setTranslation(parent_translation);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
void Scene_Scale_Selected(scene::Graph& graph, const Vector3& scaling, const Vector3& world_pivot)
|
|
{
|
|
if(GlobalSelectionSystem().countSelected() != 0)
|
|
{
|
|
GlobalSelectionSystem().foreachSelected(scale_selected(scaling, world_pivot));
|
|
}
|
|
}
|
|
|
|
|
|
class translate_component_selected : public SelectionSystem::Visitor
|
|
{
|
|
const Vector3& m_translate;
|
|
public:
|
|
translate_component_selected(const Vector3& translate)
|
|
: m_translate(translate)
|
|
{
|
|
}
|
|
void visit(scene::Instance& instance) const
|
|
{
|
|
Transformable* transform = Instance_getTransformable(instance);
|
|
if(transform != 0)
|
|
{
|
|
transform->setType(TRANSFORM_COMPONENT);
|
|
transform->setTranslation(m_translate);
|
|
}
|
|
}
|
|
};
|
|
|
|
void Scene_Translate_Component_Selected(scene::Graph& graph, const Vector3& translation)
|
|
{
|
|
if(GlobalSelectionSystem().countSelected() != 0)
|
|
{
|
|
GlobalSelectionSystem().foreachSelectedComponent(translate_component_selected(translation));
|
|
}
|
|
}
|
|
|
|
class rotate_component_selected : public SelectionSystem::Visitor
|
|
{
|
|
const Quaternion& m_rotate;
|
|
const Vector3& m_world_pivot;
|
|
public:
|
|
rotate_component_selected(const Quaternion& rotation, const Vector3& world_pivot)
|
|
: m_rotate(rotation), m_world_pivot(world_pivot)
|
|
{
|
|
}
|
|
void visit(scene::Instance& instance) const
|
|
{
|
|
Transformable* transform = Instance_getTransformable(instance);
|
|
if(transform != 0)
|
|
{
|
|
Vector3 parent_translation;
|
|
translation_for_pivoted_rotation(parent_translation, m_rotate, m_world_pivot, instance.localToWorld(), Node_getTransformNode(instance.path().top())->localToParent());
|
|
|
|
transform->setType(TRANSFORM_COMPONENT);
|
|
transform->setRotation(m_rotate);
|
|
transform->setTranslation(parent_translation);
|
|
}
|
|
}
|
|
};
|
|
|
|
void Scene_Rotate_Component_Selected(scene::Graph& graph, const Quaternion& rotation, const Vector3& world_pivot)
|
|
{
|
|
if(GlobalSelectionSystem().countSelectedComponents() != 0)
|
|
{
|
|
GlobalSelectionSystem().foreachSelectedComponent(rotate_component_selected(rotation, world_pivot));
|
|
}
|
|
}
|
|
|
|
class scale_component_selected : public SelectionSystem::Visitor
|
|
{
|
|
const Vector3& m_scale;
|
|
const Vector3& m_world_pivot;
|
|
public:
|
|
scale_component_selected(const Vector3& scaling, const Vector3& world_pivot)
|
|
: m_scale(scaling), m_world_pivot(world_pivot)
|
|
{
|
|
}
|
|
void visit(scene::Instance& instance) const
|
|
{
|
|
Transformable* transform = Instance_getTransformable(instance);
|
|
if(transform != 0)
|
|
{
|
|
Vector3 parent_translation;
|
|
translation_for_pivoted_scale(parent_translation, m_scale, m_world_pivot, instance.localToWorld(), Node_getTransformNode(instance.path().top())->localToParent());
|
|
|
|
transform->setType(TRANSFORM_COMPONENT);
|
|
transform->setScale(m_scale);
|
|
transform->setTranslation(parent_translation);
|
|
}
|
|
}
|
|
};
|
|
|
|
void Scene_Scale_Component_Selected(scene::Graph& graph, const Vector3& scaling, const Vector3& world_pivot)
|
|
{
|
|
if(GlobalSelectionSystem().countSelectedComponents() != 0)
|
|
{
|
|
GlobalSelectionSystem().foreachSelectedComponent(scale_component_selected(scaling, world_pivot));
|
|
}
|
|
}
|
|
|
|
|
|
class BooleanSelector : public Selector
|
|
{
|
|
bool m_selected;
|
|
SelectionIntersection m_intersection;
|
|
Selectable* m_selectable;
|
|
public:
|
|
BooleanSelector() : m_selected(false)
|
|
{
|
|
}
|
|
|
|
void pushSelectable(Selectable& selectable)
|
|
{
|
|
m_intersection = SelectionIntersection();
|
|
m_selectable = &selectable;
|
|
}
|
|
void popSelectable()
|
|
{
|
|
if(m_intersection.valid())
|
|
{
|
|
m_selected = true;
|
|
}
|
|
m_intersection = SelectionIntersection();
|
|
}
|
|
void addIntersection(const SelectionIntersection& intersection)
|
|
{
|
|
if(m_selectable->isSelected())
|
|
{
|
|
assign_if_closer(m_intersection, intersection);
|
|
}
|
|
}
|
|
|
|
bool isSelected()
|
|
{
|
|
return m_selected;
|
|
}
|
|
};
|
|
|
|
class BestSelector : public Selector
|
|
{
|
|
SelectionIntersection m_intersection;
|
|
Selectable* m_selectable;
|
|
SelectionIntersection m_bestIntersection;
|
|
std::list<Selectable*> m_bestSelectable;
|
|
public:
|
|
BestSelector() : m_bestIntersection(SelectionIntersection()), m_bestSelectable(0)
|
|
{
|
|
}
|
|
|
|
void pushSelectable(Selectable& selectable)
|
|
{
|
|
m_intersection = SelectionIntersection();
|
|
m_selectable = &selectable;
|
|
}
|
|
void popSelectable()
|
|
{
|
|
if(m_intersection.equalEpsilon(m_bestIntersection, 0.25f, 0.001f))
|
|
{
|
|
m_bestSelectable.push_back(m_selectable);
|
|
m_bestIntersection = m_intersection;
|
|
}
|
|
else if(m_intersection < m_bestIntersection)
|
|
{
|
|
m_bestSelectable.clear();
|
|
m_bestSelectable.push_back(m_selectable);
|
|
m_bestIntersection = m_intersection;
|
|
}
|
|
m_intersection = SelectionIntersection();
|
|
}
|
|
void addIntersection(const SelectionIntersection& intersection)
|
|
{
|
|
assign_if_closer(m_intersection, intersection);
|
|
}
|
|
|
|
std::list<Selectable*>& best()
|
|
{
|
|
return m_bestSelectable;
|
|
}
|
|
};
|
|
|
|
class DragManipulator : public Manipulator
|
|
{
|
|
TranslateFree m_freeResize;
|
|
TranslateFree m_freeDrag;
|
|
ResizeTranslatable m_resize;
|
|
DragTranslatable m_drag;
|
|
SelectableBool m_dragSelectable;
|
|
public:
|
|
|
|
bool m_selected;
|
|
|
|
DragManipulator() : m_freeResize(m_resize), m_freeDrag(m_drag), m_selected(false)
|
|
{
|
|
}
|
|
|
|
Manipulatable* GetManipulatable()
|
|
{
|
|
return m_dragSelectable.isSelected() ? &m_freeDrag : &m_freeResize;
|
|
}
|
|
|
|
void testSelect(const View& view, const Matrix4& pivot2world)
|
|
{
|
|
SelectionPool selector;
|
|
|
|
SelectionVolume test(view);
|
|
|
|
if(GlobalSelectionSystem().Mode() == SelectionSystem::ePrimitive)
|
|
{
|
|
BooleanSelector booleanSelector;
|
|
|
|
Scene_TestSelect_Primitive(booleanSelector, test, view);
|
|
|
|
if(booleanSelector.isSelected())
|
|
{
|
|
selector.addSelectable(SelectionIntersection(0, 0), &m_dragSelectable);
|
|
m_selected = false;
|
|
}
|
|
else
|
|
{
|
|
m_selected = Scene_forEachPlaneSelectable_selectPlanes(GlobalSceneGraph(), selector, test);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
BestSelector bestSelector;
|
|
Scene_TestSelect_Component_Selected(bestSelector, test, view, GlobalSelectionSystem().ComponentMode());
|
|
for(std::list<Selectable*>::iterator i = bestSelector.best().begin(); i != bestSelector.best().end(); ++i)
|
|
{
|
|
if(!(*i)->isSelected())
|
|
{
|
|
GlobalSelectionSystem().setSelectedAllComponents(false);
|
|
}
|
|
m_selected = false;
|
|
selector.addSelectable(SelectionIntersection(0, 0), (*i));
|
|
m_dragSelectable.setSelected(true);
|
|
}
|
|
}
|
|
|
|
for(SelectionPool::iterator i = selector.begin(); i != selector.end(); ++i)
|
|
{
|
|
(*i).second->setSelected(true);
|
|
}
|
|
}
|
|
|
|
void setSelected(bool select)
|
|
{
|
|
m_selected = select;
|
|
m_dragSelectable.setSelected(select);
|
|
}
|
|
bool isSelected() const
|
|
{
|
|
return m_selected || m_dragSelectable.isSelected();
|
|
}
|
|
};
|
|
|
|
class ClipManipulator : public Manipulator
|
|
{
|
|
public:
|
|
|
|
Manipulatable* GetManipulatable()
|
|
{
|
|
ERROR_MESSAGE("clipper is not manipulatable");
|
|
return 0;
|
|
}
|
|
|
|
void setSelected(bool select)
|
|
{
|
|
}
|
|
bool isSelected() const
|
|
{
|
|
return false;
|
|
}
|
|
};
|
|
|
|
class select_all : public scene::Graph::Walker
|
|
{
|
|
bool m_select;
|
|
public:
|
|
select_all(bool select)
|
|
: m_select(select)
|
|
{
|
|
}
|
|
bool pre(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
Selectable* selectable = Instance_getSelectable(instance);
|
|
if(selectable != 0)
|
|
{
|
|
selectable->setSelected(m_select);
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
class select_all_component : public scene::Graph::Walker
|
|
{
|
|
bool m_select;
|
|
SelectionSystem::EComponentMode m_mode;
|
|
public:
|
|
select_all_component(bool select, SelectionSystem::EComponentMode mode)
|
|
: m_select(select), m_mode(mode)
|
|
{
|
|
}
|
|
bool pre(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
ComponentSelectionTestable* componentSelectionTestable = Instance_getComponentSelectionTestable(instance);
|
|
if(componentSelectionTestable)
|
|
{
|
|
componentSelectionTestable->setSelectedComponents(m_select, m_mode);
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
void Scene_SelectAll_Component(bool select, SelectionSystem::EComponentMode componentMode)
|
|
{
|
|
GlobalSceneGraph().traverse(select_all_component(select, componentMode));
|
|
}
|
|
|
|
|
|
// RadiantSelectionSystem
|
|
class RadiantSelectionSystem :
|
|
public SelectionSystem,
|
|
public Translatable,
|
|
public Rotatable,
|
|
public Scalable,
|
|
public Renderable
|
|
{
|
|
mutable Matrix4 m_pivot2world;
|
|
Matrix4 m_pivot2world_start;
|
|
Matrix4 m_manip2pivot_start;
|
|
Translation m_translation;
|
|
Rotation m_rotation;
|
|
Scale m_scale;
|
|
public:
|
|
static Shader* m_state;
|
|
private:
|
|
EManipulatorMode m_manipulator_mode;
|
|
Manipulator* m_manipulator;
|
|
|
|
// state
|
|
bool m_undo_begun;
|
|
EMode m_mode;
|
|
EComponentMode m_componentmode;
|
|
|
|
SelectionCounter m_count_primitive;
|
|
SelectionCounter m_count_component;
|
|
|
|
TranslateManipulator m_translate_manipulator;
|
|
RotateManipulator m_rotate_manipulator;
|
|
ScaleManipulator m_scale_manipulator;
|
|
DragManipulator m_drag_manipulator;
|
|
ClipManipulator m_clip_manipulator;
|
|
|
|
typedef SelectionList<scene::Instance> selection_t;
|
|
selection_t m_selection;
|
|
selection_t m_component_selection;
|
|
|
|
Signal1<const Selectable&> m_selectionChanged_callbacks;
|
|
|
|
void ConstructPivot() const;
|
|
mutable bool m_pivotChanged;
|
|
bool m_pivot_moving;
|
|
|
|
void Scene_TestSelect(Selector& selector, SelectionTest& test, const View& view, SelectionSystem::EMode mode, SelectionSystem::EComponentMode componentMode);
|
|
|
|
bool nothingSelected() const
|
|
{
|
|
return (Mode() == eComponent && m_count_component.empty())
|
|
|| (Mode() == ePrimitive && m_count_primitive.empty());
|
|
}
|
|
|
|
|
|
public:
|
|
enum EModifier
|
|
{
|
|
eManipulator,
|
|
eToggle,
|
|
eReplace,
|
|
eCycle,
|
|
};
|
|
|
|
RadiantSelectionSystem() :
|
|
m_undo_begun(false),
|
|
m_mode(ePrimitive),
|
|
m_componentmode(eDefault),
|
|
m_count_primitive(SelectionChangedCaller(*this)),
|
|
m_count_component(SelectionChangedCaller(*this)),
|
|
m_translate_manipulator(*this, 2, 64),
|
|
m_rotate_manipulator(*this, 8, 64),
|
|
m_scale_manipulator(*this, 0, 64),
|
|
m_pivotChanged(false),
|
|
m_pivot_moving(false)
|
|
{
|
|
SetManipulatorMode(eTranslate);
|
|
pivotChanged();
|
|
addSelectionChangeCallback(PivotChangedSelectionCaller(*this));
|
|
AddGridChangeCallback(PivotChangedCaller(*this));
|
|
}
|
|
void pivotChanged() const
|
|
{
|
|
m_pivotChanged = true;
|
|
SceneChangeNotify();
|
|
}
|
|
typedef ConstMemberCaller<RadiantSelectionSystem, &RadiantSelectionSystem::pivotChanged> PivotChangedCaller;
|
|
void pivotChangedSelection(const Selectable& selectable)
|
|
{
|
|
pivotChanged();
|
|
}
|
|
typedef MemberCaller1<RadiantSelectionSystem, const Selectable&, &RadiantSelectionSystem::pivotChangedSelection> PivotChangedSelectionCaller;
|
|
|
|
void SetMode(EMode mode)
|
|
{
|
|
if(m_mode != mode)
|
|
{
|
|
m_mode = mode;
|
|
pivotChanged();
|
|
}
|
|
}
|
|
EMode Mode() const
|
|
{
|
|
return m_mode;
|
|
}
|
|
void SetComponentMode(EComponentMode mode)
|
|
{
|
|
m_componentmode = mode;
|
|
}
|
|
EComponentMode ComponentMode() const
|
|
{
|
|
return m_componentmode;
|
|
}
|
|
void SetManipulatorMode(EManipulatorMode mode)
|
|
{
|
|
m_manipulator_mode = mode;
|
|
switch(m_manipulator_mode)
|
|
{
|
|
case eTranslate: m_manipulator = &m_translate_manipulator; break;
|
|
case eRotate: m_manipulator = &m_rotate_manipulator; break;
|
|
case eScale: m_manipulator = &m_scale_manipulator; break;
|
|
case eDrag: m_manipulator = &m_drag_manipulator; break;
|
|
case eClip: m_manipulator = &m_clip_manipulator; break;
|
|
}
|
|
pivotChanged();
|
|
}
|
|
EManipulatorMode ManipulatorMode() const
|
|
{
|
|
return m_manipulator_mode;
|
|
}
|
|
|
|
SelectionChangeCallback getObserver(EMode mode)
|
|
{
|
|
if(mode == ePrimitive)
|
|
{
|
|
return makeCallback1(m_count_primitive);
|
|
}
|
|
else
|
|
{
|
|
return makeCallback1(m_count_component);
|
|
}
|
|
}
|
|
std::size_t countSelected() const
|
|
{
|
|
return m_count_primitive.size();
|
|
}
|
|
std::size_t countSelectedComponents() const
|
|
{
|
|
return m_count_component.size();
|
|
}
|
|
void onSelectedChanged(scene::Instance& instance, const Selectable& selectable)
|
|
{
|
|
if(selectable.isSelected())
|
|
{
|
|
m_selection.append(instance);
|
|
}
|
|
else
|
|
{
|
|
m_selection.erase(instance);
|
|
}
|
|
|
|
ASSERT_MESSAGE(m_selection.size() == m_count_primitive.size(), "selection-tracking error");
|
|
}
|
|
void onComponentSelection(scene::Instance& instance, const Selectable& selectable)
|
|
{
|
|
if(selectable.isSelected())
|
|
{
|
|
m_component_selection.append(instance);
|
|
}
|
|
else
|
|
{
|
|
m_component_selection.erase(instance);
|
|
}
|
|
|
|
ASSERT_MESSAGE(m_component_selection.size() == m_count_component.size(), "selection-tracking error");
|
|
}
|
|
scene::Instance& ultimateSelected() const
|
|
{
|
|
ASSERT_MESSAGE(m_selection.size() > 0, "no instance selected");
|
|
return m_selection.back();
|
|
}
|
|
scene::Instance& penultimateSelected() const
|
|
{
|
|
ASSERT_MESSAGE(m_selection.size() > 1, "only one instance selected");
|
|
return *(*(--(--m_selection.end())));
|
|
}
|
|
void setSelectedAll(bool selected)
|
|
{
|
|
GlobalSceneGraph().traverse(select_all(selected));
|
|
|
|
m_manipulator->setSelected(selected);
|
|
}
|
|
void setSelectedAllComponents(bool selected)
|
|
{
|
|
Scene_SelectAll_Component(selected, SelectionSystem::eVertex);
|
|
Scene_SelectAll_Component(selected, SelectionSystem::eEdge);
|
|
Scene_SelectAll_Component(selected, SelectionSystem::eFace);
|
|
|
|
m_manipulator->setSelected(selected);
|
|
}
|
|
|
|
void foreachSelected(const Visitor& visitor) const
|
|
{
|
|
selection_t::const_iterator i = m_selection.begin();
|
|
while(i != m_selection.end())
|
|
{
|
|
visitor.visit(*(*(i++)));
|
|
}
|
|
}
|
|
void foreachSelectedComponent(const Visitor& visitor) const
|
|
{
|
|
selection_t::const_iterator i = m_component_selection.begin();
|
|
while(i != m_component_selection.end())
|
|
{
|
|
visitor.visit(*(*(i++)));
|
|
}
|
|
}
|
|
|
|
void addSelectionChangeCallback(const SelectionChangeHandler& handler)
|
|
{
|
|
m_selectionChanged_callbacks.connectLast(handler);
|
|
}
|
|
void selectionChanged(const Selectable& selectable)
|
|
{
|
|
m_selectionChanged_callbacks(selectable);
|
|
}
|
|
typedef MemberCaller1<RadiantSelectionSystem, const Selectable&, &RadiantSelectionSystem::selectionChanged> SelectionChangedCaller;
|
|
|
|
|
|
void startMove()
|
|
{
|
|
m_pivot2world_start = GetPivot2World();
|
|
}
|
|
|
|
bool SelectManipulator(const View& view, const float device_point[2], const float device_epsilon[2])
|
|
{
|
|
if(!nothingSelected() || (ManipulatorMode() == eDrag && Mode() == eComponent))
|
|
{
|
|
#if defined (DEBUG_SELECTION)
|
|
g_render_clipped.destroy();
|
|
#endif
|
|
|
|
m_manipulator->setSelected(false);
|
|
|
|
if(!nothingSelected() || (ManipulatorMode() == eDrag && Mode() == eComponent))
|
|
{
|
|
View scissored(view);
|
|
ConstructSelectionTest(scissored, SelectionBoxForPoint(device_point, device_epsilon));
|
|
m_manipulator->testSelect(scissored, GetPivot2World());
|
|
}
|
|
|
|
startMove();
|
|
|
|
m_pivot_moving = m_manipulator->isSelected();
|
|
|
|
if(m_pivot_moving)
|
|
{
|
|
Pivot2World pivot;
|
|
pivot.update(GetPivot2World(), view.GetModelview(), view.GetProjection(), view.GetViewport());
|
|
|
|
m_manip2pivot_start = matrix4_multiplied_by_matrix4(matrix4_full_inverse(m_pivot2world_start), pivot.m_worldSpace);
|
|
|
|
Matrix4 device2manip;
|
|
ConstructDevice2Manip(device2manip, m_pivot2world_start, view.GetModelview(), view.GetProjection(), view.GetViewport());
|
|
m_manipulator->GetManipulatable()->Construct(device2manip, device_point[0], device_point[1]);
|
|
|
|
m_undo_begun = false;
|
|
}
|
|
|
|
SceneChangeNotify();
|
|
}
|
|
|
|
return m_pivot_moving;
|
|
}
|
|
|
|
void deselectAll()
|
|
{
|
|
if(Mode() == eComponent)
|
|
{
|
|
setSelectedAllComponents(false);
|
|
}
|
|
else
|
|
{
|
|
setSelectedAll(false);
|
|
}
|
|
}
|
|
|
|
void SelectPoint(const View& view, const float device_point[2], const float device_epsilon[2], RadiantSelectionSystem::EModifier modifier, bool face)
|
|
{
|
|
ASSERT_MESSAGE(fabs(device_point[0]) <= 1.0f && fabs(device_point[1]) <= 1.0f, "point-selection error");
|
|
if(modifier == eReplace)
|
|
{
|
|
if(face)
|
|
{
|
|
setSelectedAllComponents(false);
|
|
}
|
|
else
|
|
{
|
|
deselectAll();
|
|
}
|
|
}
|
|
|
|
#if defined (DEBUG_SELECTION)
|
|
g_render_clipped.destroy();
|
|
#endif
|
|
|
|
{
|
|
View scissored(view);
|
|
ConstructSelectionTest(scissored, SelectionBoxForPoint(device_point, device_epsilon));
|
|
|
|
SelectionVolume volume(scissored);
|
|
SelectionPool selector;
|
|
if(face)
|
|
{
|
|
Scene_TestSelect_Component(selector, volume, scissored, eFace);
|
|
}
|
|
else
|
|
{
|
|
Scene_TestSelect(selector, volume, scissored, Mode(), ComponentMode());
|
|
}
|
|
|
|
if(!selector.failed())
|
|
{
|
|
switch(modifier)
|
|
{
|
|
case RadiantSelectionSystem::eToggle:
|
|
{
|
|
SelectableSortedSet::iterator best = selector.begin();
|
|
// toggle selection of the object with least depth
|
|
if((*best).second->isSelected())
|
|
(*best).second->setSelected(false);
|
|
else
|
|
(*best).second->setSelected(true);
|
|
}
|
|
break;
|
|
// if cycle mode not enabled, enable it
|
|
case RadiantSelectionSystem::eReplace:
|
|
{
|
|
// select closest
|
|
(*selector.begin()).second->setSelected(true);
|
|
}
|
|
break;
|
|
// select the next object in the list from the one already selected
|
|
case RadiantSelectionSystem::eCycle:
|
|
{
|
|
SelectionPool::iterator i = selector.begin();
|
|
while(i != selector.end())
|
|
{
|
|
if((*i).second->isSelected())
|
|
{
|
|
(*i).second->setSelected(false);
|
|
++i;
|
|
if(i != selector.end())
|
|
{
|
|
i->second->setSelected(true);
|
|
}
|
|
else
|
|
{
|
|
selector.begin()->second->setSelected(true);
|
|
}
|
|
break;
|
|
}
|
|
++i;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void SelectArea(const View& view, const float device_point[2], const float device_delta[2], RadiantSelectionSystem::EModifier modifier, bool face)
|
|
{
|
|
if(modifier == eReplace)
|
|
{
|
|
if(face)
|
|
{
|
|
setSelectedAllComponents(false);
|
|
}
|
|
else
|
|
{
|
|
deselectAll();
|
|
}
|
|
}
|
|
|
|
#if defined (DEBUG_SELECTION)
|
|
g_render_clipped.destroy();
|
|
#endif
|
|
|
|
{
|
|
View scissored(view);
|
|
ConstructSelectionTest(scissored, SelectionBoxForArea(device_point, device_delta));
|
|
|
|
SelectionVolume volume(scissored);
|
|
SelectionPool pool;
|
|
if(face)
|
|
{
|
|
Scene_TestSelect_Component(pool, volume, scissored, eFace);
|
|
}
|
|
else
|
|
{
|
|
Scene_TestSelect(pool, volume, scissored, Mode(), ComponentMode());
|
|
}
|
|
|
|
for(SelectionPool::iterator i = pool.begin(); i != pool.end(); ++i)
|
|
{
|
|
(*i).second->setSelected(!(modifier == RadiantSelectionSystem::eToggle && (*i).second->isSelected()));
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void translate(const Vector3& translation)
|
|
{
|
|
if(!nothingSelected())
|
|
{
|
|
//ASSERT_MESSAGE(!m_pivotChanged, "pivot is invalid");
|
|
|
|
m_translation = translation;
|
|
|
|
m_pivot2world = m_pivot2world_start;
|
|
matrix4_translate_by_vec3(m_pivot2world, translation);
|
|
|
|
if(Mode() == eComponent)
|
|
{
|
|
Scene_Translate_Component_Selected(GlobalSceneGraph(), m_translation);
|
|
}
|
|
else
|
|
{
|
|
Scene_Translate_Selected(GlobalSceneGraph(), m_translation);
|
|
}
|
|
|
|
SceneChangeNotify();
|
|
}
|
|
}
|
|
void outputTranslation(TextOutputStream& ostream)
|
|
{
|
|
ostream << " -xyz " << m_translation.x() << " " << m_translation.y() << " " << m_translation.z();
|
|
}
|
|
void rotate(const Quaternion& rotation)
|
|
{
|
|
if(!nothingSelected())
|
|
{
|
|
//ASSERT_MESSAGE(!m_pivotChanged, "pivot is invalid");
|
|
|
|
m_rotation = rotation;
|
|
|
|
if(Mode() == eComponent)
|
|
{
|
|
Scene_Rotate_Component_Selected(GlobalSceneGraph(), m_rotation, vector4_to_vector3(m_pivot2world.t()));
|
|
|
|
matrix4_assign_rotation_for_pivot(m_pivot2world, m_component_selection.back());
|
|
}
|
|
else
|
|
{
|
|
Scene_Rotate_Selected(GlobalSceneGraph(), m_rotation, vector4_to_vector3(m_pivot2world.t()));
|
|
|
|
matrix4_assign_rotation_for_pivot(m_pivot2world, m_selection.back());
|
|
}
|
|
|
|
SceneChangeNotify();
|
|
}
|
|
}
|
|
void outputRotation(TextOutputStream& ostream)
|
|
{
|
|
ostream << " -eulerXYZ " << m_rotation.x() << " " << m_rotation.y() << " " << m_rotation.z();
|
|
}
|
|
void scale(const Vector3& scaling)
|
|
{
|
|
if(!nothingSelected())
|
|
{
|
|
m_scale = scaling;
|
|
|
|
if(Mode() == eComponent)
|
|
{
|
|
Scene_Scale_Component_Selected(GlobalSceneGraph(), m_scale, vector4_to_vector3(m_pivot2world.t()));
|
|
}
|
|
else
|
|
{
|
|
Scene_Scale_Selected(GlobalSceneGraph(), m_scale, vector4_to_vector3(m_pivot2world.t()));
|
|
}
|
|
|
|
SceneChangeNotify();
|
|
}
|
|
}
|
|
void outputScale(TextOutputStream& ostream)
|
|
{
|
|
ostream << " -scale " << m_scale.x() << " " << m_scale.y() << " " << m_scale.z();
|
|
}
|
|
|
|
void rotateSelected(const Quaternion& rotation)
|
|
{
|
|
startMove();
|
|
rotate(rotation);
|
|
freezeTransforms();
|
|
}
|
|
void translateSelected(const Vector3& translation)
|
|
{
|
|
startMove();
|
|
translate(translation);
|
|
freezeTransforms();
|
|
}
|
|
void scaleSelected(const Vector3& scaling)
|
|
{
|
|
startMove();
|
|
scale(scaling);
|
|
freezeTransforms();
|
|
}
|
|
|
|
void MoveSelected(const View& view, const float device_point[2])
|
|
{
|
|
if(m_manipulator->isSelected())
|
|
{
|
|
if(!m_undo_begun)
|
|
{
|
|
m_undo_begun = true;
|
|
GlobalUndoSystem().start();
|
|
}
|
|
|
|
Matrix4 device2manip;
|
|
ConstructDevice2Manip(device2manip, m_pivot2world_start, view.GetModelview(), view.GetProjection(), view.GetViewport());
|
|
m_manipulator->GetManipulatable()->Transform(m_manip2pivot_start, device2manip, device_point[0], device_point[1]);
|
|
}
|
|
}
|
|
|
|
/// \todo Support view-dependent nudge.
|
|
void NudgeManipulator(const Vector3& nudge, const Vector3& view)
|
|
{
|
|
if(ManipulatorMode() == eTranslate || ManipulatorMode() == eDrag)
|
|
{
|
|
translateSelected(nudge);
|
|
}
|
|
}
|
|
|
|
void endMove();
|
|
void freezeTransforms();
|
|
|
|
void renderSolid(Renderer& renderer, const VolumeTest& volume) const;
|
|
void renderWireframe(Renderer& renderer, const VolumeTest& volume) const
|
|
{
|
|
renderSolid(renderer, volume);
|
|
}
|
|
|
|
const Matrix4& GetPivot2World() const
|
|
{
|
|
ConstructPivot();
|
|
return m_pivot2world;
|
|
}
|
|
|
|
static void constructStatic()
|
|
{
|
|
m_state = GlobalShaderCache().capture("$POINT");
|
|
#if defined(DEBUG_SELECTION)
|
|
g_state_clipped = GlobalShaderCache().capture("$DEBUG_CLIPPED");
|
|
#endif
|
|
TranslateManipulator::m_state_wire = GlobalShaderCache().capture("$WIRE_OVERLAY");
|
|
TranslateManipulator::m_state_fill = GlobalShaderCache().capture("$FLATSHADE_OVERLAY");
|
|
RotateManipulator::m_state_outer = GlobalShaderCache().capture("$WIRE_OVERLAY");
|
|
}
|
|
|
|
static void destroyStatic()
|
|
{
|
|
#if defined(DEBUG_SELECTION)
|
|
GlobalShaderCache().release("$DEBUG_CLIPPED");
|
|
#endif
|
|
GlobalShaderCache().release("$WIRE_OVERLAY");
|
|
GlobalShaderCache().release("$FLATSHADE_OVERLAY");
|
|
GlobalShaderCache().release("$WIRE_OVERLAY");
|
|
GlobalShaderCache().release("$POINT");
|
|
}
|
|
};
|
|
|
|
Shader* RadiantSelectionSystem::m_state = 0;
|
|
|
|
|
|
namespace
|
|
{
|
|
RadiantSelectionSystem* g_RadiantSelectionSystem;
|
|
|
|
inline RadiantSelectionSystem& getSelectionSystem()
|
|
{
|
|
return *g_RadiantSelectionSystem;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
class testselect_entity_visible : public scene::Graph::Walker
|
|
{
|
|
Selector& m_selector;
|
|
SelectionTest& m_test;
|
|
public:
|
|
testselect_entity_visible(Selector& selector, SelectionTest& test)
|
|
: m_selector(selector), m_test(test)
|
|
{
|
|
}
|
|
bool pre(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
Selectable* selectable = Instance_getSelectable(instance);
|
|
if(selectable != 0
|
|
&& Node_isEntity(path.top()))
|
|
{
|
|
m_selector.pushSelectable(*selectable);
|
|
}
|
|
|
|
SelectionTestable* selectionTestable = Instance_getSelectionTestable(instance);
|
|
if(selectionTestable)
|
|
{
|
|
selectionTestable->testSelect(m_selector, m_test);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
void post(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
Selectable* selectable = Instance_getSelectable(instance);
|
|
if(selectable != 0
|
|
&& Node_isEntity(path.top()))
|
|
{
|
|
m_selector.popSelectable();
|
|
}
|
|
}
|
|
};
|
|
|
|
class testselect_primitive_visible : public scene::Graph::Walker
|
|
{
|
|
Selector& m_selector;
|
|
SelectionTest& m_test;
|
|
public:
|
|
testselect_primitive_visible(Selector& selector, SelectionTest& test)
|
|
: m_selector(selector), m_test(test)
|
|
{
|
|
}
|
|
bool pre(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
Selectable* selectable = Instance_getSelectable(instance);
|
|
if(selectable != 0)
|
|
{
|
|
m_selector.pushSelectable(*selectable);
|
|
}
|
|
|
|
SelectionTestable* selectionTestable = Instance_getSelectionTestable(instance);
|
|
if(selectionTestable)
|
|
{
|
|
selectionTestable->testSelect(m_selector, m_test);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
void post(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
Selectable* selectable = Instance_getSelectable(instance);
|
|
if(selectable != 0)
|
|
{
|
|
m_selector.popSelectable();
|
|
}
|
|
}
|
|
};
|
|
|
|
class testselect_component_visible : public scene::Graph::Walker
|
|
{
|
|
Selector& m_selector;
|
|
SelectionTest& m_test;
|
|
SelectionSystem::EComponentMode m_mode;
|
|
public:
|
|
testselect_component_visible(Selector& selector, SelectionTest& test, SelectionSystem::EComponentMode mode)
|
|
: m_selector(selector), m_test(test), m_mode(mode)
|
|
{
|
|
}
|
|
bool pre(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
ComponentSelectionTestable* componentSelectionTestable = Instance_getComponentSelectionTestable(instance);
|
|
if(componentSelectionTestable)
|
|
{
|
|
componentSelectionTestable->testSelectComponents(m_selector, m_test, m_mode);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
|
|
class testselect_component_visible_selected : public scene::Graph::Walker
|
|
{
|
|
Selector& m_selector;
|
|
SelectionTest& m_test;
|
|
SelectionSystem::EComponentMode m_mode;
|
|
public:
|
|
testselect_component_visible_selected(Selector& selector, SelectionTest& test, SelectionSystem::EComponentMode mode)
|
|
: m_selector(selector), m_test(test), m_mode(mode)
|
|
{
|
|
}
|
|
bool pre(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
Selectable* selectable = Instance_getSelectable(instance);
|
|
if(selectable != 0 && selectable->isSelected())
|
|
{
|
|
ComponentSelectionTestable* componentSelectionTestable = Instance_getComponentSelectionTestable(instance);
|
|
if(componentSelectionTestable)
|
|
{
|
|
componentSelectionTestable->testSelectComponents(m_selector, m_test, m_mode);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
void Scene_TestSelect_Primitive(Selector& selector, SelectionTest& test, const VolumeTest& volume)
|
|
{
|
|
Scene_forEachVisible(GlobalSceneGraph(), volume, testselect_primitive_visible(selector, test));
|
|
}
|
|
|
|
void Scene_TestSelect_Component_Selected(Selector& selector, SelectionTest& test, const VolumeTest& volume, SelectionSystem::EComponentMode componentMode)
|
|
{
|
|
Scene_forEachVisible(GlobalSceneGraph(), volume, testselect_component_visible_selected(selector, test, componentMode));
|
|
}
|
|
|
|
void Scene_TestSelect_Component(Selector& selector, SelectionTest& test, const VolumeTest& volume, SelectionSystem::EComponentMode componentMode)
|
|
{
|
|
Scene_forEachVisible(GlobalSceneGraph(), volume, testselect_component_visible(selector, test, componentMode));
|
|
}
|
|
|
|
void RadiantSelectionSystem::Scene_TestSelect(Selector& selector, SelectionTest& test, const View& view, SelectionSystem::EMode mode, SelectionSystem::EComponentMode componentMode)
|
|
{
|
|
switch(mode)
|
|
{
|
|
case eEntity:
|
|
{
|
|
Scene_forEachVisible(GlobalSceneGraph(), view, testselect_entity_visible(selector, test));
|
|
}
|
|
break;
|
|
case ePrimitive:
|
|
Scene_TestSelect_Primitive(selector, test, view);
|
|
break;
|
|
case eComponent:
|
|
Scene_TestSelect_Component_Selected(selector, test, view, componentMode);
|
|
break;
|
|
}
|
|
}
|
|
|
|
class FreezeTransforms : public scene::Graph::Walker
|
|
{
|
|
public:
|
|
bool pre(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
TransformNode* transformNode = Node_getTransformNode(path.top());
|
|
if(transformNode != 0)
|
|
{
|
|
Transformable* transform = Instance_getTransformable(instance);
|
|
if(transform != 0)
|
|
{
|
|
transform->freezeTransform();
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
void RadiantSelectionSystem::freezeTransforms()
|
|
{
|
|
GlobalSceneGraph().traverse(FreezeTransforms());
|
|
}
|
|
|
|
|
|
void RadiantSelectionSystem::endMove()
|
|
{
|
|
freezeTransforms();
|
|
|
|
if(Mode() == ePrimitive)
|
|
{
|
|
if(ManipulatorMode() == eDrag)
|
|
{
|
|
Scene_SelectAll_Component(false, SelectionSystem::eFace);
|
|
}
|
|
}
|
|
|
|
m_pivot_moving = false;
|
|
pivotChanged();
|
|
|
|
SceneChangeNotify();
|
|
|
|
if(m_undo_begun)
|
|
{
|
|
StringOutputStream command;
|
|
|
|
if(ManipulatorMode() == eTranslate)
|
|
{
|
|
command << "translateTool";
|
|
outputTranslation(command);
|
|
}
|
|
else if(ManipulatorMode() == eRotate)
|
|
{
|
|
command << "rotateTool";
|
|
outputRotation(command);
|
|
}
|
|
else if(ManipulatorMode() == eScale)
|
|
{
|
|
command << "scaleTool";
|
|
outputScale(command);
|
|
}
|
|
else if(ManipulatorMode() == eDrag)
|
|
{
|
|
command << "dragTool";
|
|
}
|
|
|
|
GlobalUndoSystem().finish(command.c_str());
|
|
}
|
|
|
|
}
|
|
|
|
inline AABB Instance_getPivotBounds(scene::Instance& instance)
|
|
{
|
|
Entity* entity = Node_getEntity(instance.path().top());
|
|
if(entity != 0
|
|
&& (entity->getEntityClass().fixedsize
|
|
|| !node_is_group(instance.path().top())))
|
|
{
|
|
Editable* editable = Node_getEditable(instance.path().top());
|
|
if(editable != 0)
|
|
{
|
|
return AABB(vector4_to_vector3(matrix4_multiplied_by_matrix4(instance.localToWorld(), editable->getLocalPivot()).t()), Vector3(0, 0, 0));
|
|
}
|
|
else
|
|
{
|
|
return AABB(vector4_to_vector3(instance.localToWorld().t()), Vector3(0, 0, 0));
|
|
}
|
|
}
|
|
|
|
return instance.worldAABB();
|
|
}
|
|
|
|
class bounds_selected : public scene::Graph::Walker
|
|
{
|
|
AABB& m_bounds;
|
|
public:
|
|
bounds_selected(AABB& bounds)
|
|
: m_bounds(bounds)
|
|
{
|
|
m_bounds = AABB();
|
|
}
|
|
bool pre(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
Selectable* selectable = Instance_getSelectable(instance);
|
|
if(selectable != 0
|
|
&& selectable->isSelected())
|
|
{
|
|
aabb_extend_by_aabb_safe(m_bounds, Instance_getPivotBounds(instance));
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
class bounds_selected_component : public scene::Graph::Walker
|
|
{
|
|
AABB& m_bounds;
|
|
public:
|
|
bounds_selected_component(AABB& bounds)
|
|
: m_bounds(bounds)
|
|
{
|
|
m_bounds = AABB();
|
|
}
|
|
bool pre(const scene::Path& path, scene::Instance& instance) const
|
|
{
|
|
Selectable* selectable = Instance_getSelectable(instance);
|
|
if(selectable != 0
|
|
&& selectable->isSelected())
|
|
{
|
|
ComponentEditable* componentEditable = Instance_getComponentEditable(instance);
|
|
if(componentEditable)
|
|
{
|
|
aabb_extend_by_aabb_safe(m_bounds, aabb_for_oriented_aabb_safe(componentEditable->getSelectedComponentsBounds(), instance.localToWorld()));
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
void Scene_BoundsSelected(scene::Graph& graph, AABB& bounds)
|
|
{
|
|
graph.traverse(bounds_selected(bounds));
|
|
}
|
|
|
|
void Scene_BoundsSelectedComponent(scene::Graph& graph, AABB& bounds)
|
|
{
|
|
graph.traverse(bounds_selected_component(bounds));
|
|
}
|
|
|
|
#if 0
|
|
inline void pivot_for_node(Matrix4& pivot, scene::Node& node, scene::Instance& instance)
|
|
{
|
|
ComponentEditable* componentEditable = Instance_getComponentEditable(instance);
|
|
if(GlobalSelectionSystem().Mode() == SelectionSystem::eComponent
|
|
&& componentEditable != 0)
|
|
{
|
|
pivot = matrix4_translation_for_vec3(componentEditable->getSelectedComponentsBounds().origin);
|
|
}
|
|
else
|
|
{
|
|
Bounded* bounded = Instance_getBounded(instance);
|
|
if(bounded != 0)
|
|
{
|
|
pivot = matrix4_translation_for_vec3(bounded->localAABB().origin);
|
|
}
|
|
else
|
|
{
|
|
pivot = g_matrix4_identity;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void RadiantSelectionSystem::ConstructPivot() const
|
|
{
|
|
if(!m_pivotChanged || m_pivot_moving)
|
|
return;
|
|
m_pivotChanged = false;
|
|
|
|
Vector3 m_object_pivot;
|
|
|
|
if(!nothingSelected())
|
|
{
|
|
{
|
|
AABB bounds;
|
|
if(Mode() == eComponent)
|
|
{
|
|
Scene_BoundsSelectedComponent(GlobalSceneGraph(), bounds);
|
|
}
|
|
else
|
|
{
|
|
Scene_BoundsSelected(GlobalSceneGraph(), bounds);
|
|
}
|
|
m_object_pivot = bounds.origin;
|
|
}
|
|
|
|
vector3_snap(m_object_pivot, GetGridSize());
|
|
m_pivot2world = matrix4_translation_for_vec3(m_object_pivot);
|
|
|
|
switch(m_manipulator_mode)
|
|
{
|
|
case eTranslate:
|
|
break;
|
|
case eRotate:
|
|
if(Mode() == eComponent)
|
|
{
|
|
matrix4_assign_rotation_for_pivot(m_pivot2world, m_component_selection.back());
|
|
}
|
|
else
|
|
{
|
|
matrix4_assign_rotation_for_pivot(m_pivot2world, m_selection.back());
|
|
}
|
|
break;
|
|
case eScale:
|
|
if(Mode() == eComponent)
|
|
{
|
|
matrix4_assign_rotation_for_pivot(m_pivot2world, m_component_selection.back());
|
|
}
|
|
else
|
|
{
|
|
matrix4_assign_rotation_for_pivot(m_pivot2world, m_selection.back());
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void RadiantSelectionSystem::renderSolid(Renderer& renderer, const VolumeTest& volume) const
|
|
{
|
|
//if(view->TestPoint(m_object_pivot))
|
|
if(!nothingSelected())
|
|
{
|
|
renderer.Highlight(Renderer::ePrimitive, false);
|
|
renderer.Highlight(Renderer::eFace, false);
|
|
|
|
renderer.SetState(m_state, Renderer::eWireframeOnly);
|
|
renderer.SetState(m_state, Renderer::eFullMaterials);
|
|
|
|
m_manipulator->render(renderer, volume, GetPivot2World());
|
|
}
|
|
|
|
#if defined(DEBUG_SELECTION)
|
|
renderer.SetState(g_state_clipped, Renderer::eWireframeOnly);
|
|
renderer.SetState(g_state_clipped, Renderer::eFullMaterials);
|
|
renderer.addRenderable(g_render_clipped, g_render_clipped.m_world);
|
|
#endif
|
|
}
|
|
|
|
|
|
void SelectionSystem_OnBoundsChanged()
|
|
{
|
|
getSelectionSystem().pivotChanged();
|
|
}
|
|
|
|
|
|
SignalHandlerId SelectionSystem_boundsChanged;
|
|
|
|
void SelectionSystem_Construct()
|
|
{
|
|
RadiantSelectionSystem::constructStatic();
|
|
|
|
g_RadiantSelectionSystem = new RadiantSelectionSystem;
|
|
|
|
SelectionSystem_boundsChanged = GlobalSceneGraph().addBoundsChangedCallback(FreeCaller<SelectionSystem_OnBoundsChanged>());
|
|
|
|
GlobalShaderCache().attachRenderable(getSelectionSystem());
|
|
}
|
|
|
|
void SelectionSystem_Destroy()
|
|
{
|
|
GlobalShaderCache().detachRenderable(getSelectionSystem());
|
|
|
|
GlobalSceneGraph().removeBoundsChangedCallback(SelectionSystem_boundsChanged);
|
|
|
|
delete g_RadiantSelectionSystem;
|
|
|
|
RadiantSelectionSystem::destroyStatic();
|
|
}
|
|
|
|
|
|
|
|
|
|
inline float screen_normalised(float pos, std::size_t size)
|
|
{
|
|
return ((2.0f * pos) / size) - 1.0f;
|
|
}
|
|
|
|
typedef Vector2 DeviceVector;
|
|
|
|
inline DeviceVector window_to_normalised_device(WindowVector window, std::size_t width, std::size_t height)
|
|
{
|
|
return DeviceVector(screen_normalised(window.x(), width), screen_normalised(height - 1 - window.y(), height));
|
|
}
|
|
|
|
inline float device_constrained(float pos)
|
|
{
|
|
return std::min(1.0f, std::max(-1.0f, pos));
|
|
}
|
|
|
|
inline DeviceVector device_constrained(DeviceVector device)
|
|
{
|
|
return DeviceVector(device_constrained(device.x()), device_constrained(device.y()));
|
|
}
|
|
|
|
inline float window_constrained(float pos, std::size_t origin, std::size_t size)
|
|
{
|
|
return std::min(static_cast<float>(origin + size), std::max(static_cast<float>(origin), pos));
|
|
}
|
|
|
|
inline WindowVector window_constrained(WindowVector window, std::size_t x, std::size_t y, std::size_t width, std::size_t height)
|
|
{
|
|
return WindowVector(window_constrained(window.x(), x, width), window_constrained(window.y(), y, height));
|
|
}
|
|
|
|
typedef Callback1<DeviceVector> MouseEventCallback;
|
|
|
|
Single<MouseEventCallback> g_mouseMovedCallback;
|
|
Single<MouseEventCallback> g_mouseUpCallback;
|
|
|
|
#if 1
|
|
const ButtonIdentifier c_button_select = c_buttonLeft;
|
|
const ModifierFlags c_modifier_manipulator = c_modifierNone;
|
|
const ModifierFlags c_modifier_toggle = c_modifierShift;
|
|
const ModifierFlags c_modifier_replace = c_modifierShift | c_modifierAlt;
|
|
const ModifierFlags c_modifier_face = c_modifierControl;
|
|
#else
|
|
const ButtonIdentifier c_button_select = c_buttonLeft;
|
|
const ModifierFlags c_modifier_manipulator = c_modifierNone;
|
|
const ModifierFlags c_modifier_toggle = c_modifierControl;
|
|
const ModifierFlags c_modifier_replace = c_modifierNone;
|
|
const ModifierFlags c_modifier_face = c_modifierShift;
|
|
#endif
|
|
const ModifierFlags c_modifier_toggle_face = c_modifier_toggle | c_modifier_face;
|
|
const ModifierFlags c_modifier_replace_face = c_modifier_replace | c_modifier_face;
|
|
|
|
const ButtonIdentifier c_button_texture = c_buttonMiddle;
|
|
const ModifierFlags c_modifier_apply_texture = c_modifierControl | c_modifierShift;
|
|
const ModifierFlags c_modifier_copy_texture = c_modifierNone;
|
|
|
|
class Selector_
|
|
{
|
|
RadiantSelectionSystem::EModifier modifier_for_state(ModifierFlags state)
|
|
{
|
|
if(state == c_modifier_toggle || state == c_modifier_toggle_face)
|
|
{
|
|
return RadiantSelectionSystem::eToggle;
|
|
}
|
|
if(state == c_modifier_replace || state == c_modifier_replace_face)
|
|
{
|
|
return RadiantSelectionSystem::eReplace;
|
|
}
|
|
return RadiantSelectionSystem::eManipulator;
|
|
}
|
|
|
|
rect_t getDeviceArea() const
|
|
{
|
|
DeviceVector delta(m_current - m_start);
|
|
if(selecting() && fabs(delta.x()) > m_epsilon.x() && fabs(delta.y()) > m_epsilon.y())
|
|
{
|
|
return SelectionBoxForArea(&m_start[0], &delta[0]);
|
|
}
|
|
else
|
|
{
|
|
rect_t default_area = { { 0, 0, }, { 0, 0, }, };
|
|
return default_area;
|
|
}
|
|
}
|
|
|
|
public:
|
|
DeviceVector m_start;
|
|
DeviceVector m_current;
|
|
DeviceVector m_epsilon;
|
|
std::size_t m_unmoved_replaces;
|
|
ModifierFlags m_state;
|
|
const View* m_view;
|
|
RectangleCallback m_window_update;
|
|
|
|
Selector_() : m_start(0.0f, 0.0f), m_current(0.0f, 0.0f), m_unmoved_replaces(0), m_state(c_modifierNone)
|
|
{
|
|
}
|
|
|
|
void draw_area()
|
|
{
|
|
m_window_update(getDeviceArea());
|
|
}
|
|
|
|
void testSelect(DeviceVector position)
|
|
{
|
|
RadiantSelectionSystem::EModifier modifier = modifier_for_state(m_state);
|
|
if(modifier != RadiantSelectionSystem::eManipulator)
|
|
{
|
|
DeviceVector delta(position - m_start);
|
|
if(fabs(delta.x()) > m_epsilon.x() && fabs(delta.y()) > m_epsilon.y())
|
|
{
|
|
DeviceVector delta(position - m_start);
|
|
getSelectionSystem().SelectArea(*m_view, &m_start[0], &delta[0], modifier, (m_state & c_modifier_face) != c_modifierNone);
|
|
}
|
|
else
|
|
{
|
|
if(modifier == RadiantSelectionSystem::eReplace && m_unmoved_replaces++ > 0)
|
|
{
|
|
modifier = RadiantSelectionSystem::eCycle;
|
|
}
|
|
getSelectionSystem().SelectPoint(*m_view, &position[0], &m_epsilon[0], modifier, (m_state & c_modifier_face) != c_modifierNone);
|
|
}
|
|
}
|
|
|
|
m_start = m_current = DeviceVector(0.0f, 0.0f);
|
|
draw_area();
|
|
}
|
|
|
|
bool selecting() const
|
|
{
|
|
return m_state != c_modifier_manipulator;
|
|
}
|
|
|
|
void setState(ModifierFlags state)
|
|
{
|
|
bool was_selecting = selecting();
|
|
m_state = state;
|
|
if(was_selecting ^ selecting())
|
|
{
|
|
draw_area();
|
|
}
|
|
}
|
|
|
|
ModifierFlags getState() const
|
|
{
|
|
return m_state;
|
|
}
|
|
|
|
void modifierEnable(ModifierFlags type)
|
|
{
|
|
setState(bitfield_enable(getState(), type));
|
|
}
|
|
void modifierDisable(ModifierFlags type)
|
|
{
|
|
setState(bitfield_disable(getState(), type));
|
|
}
|
|
|
|
void mouseDown(DeviceVector position)
|
|
{
|
|
m_start = m_current = device_constrained(position);
|
|
}
|
|
|
|
void mouseMoved(DeviceVector position)
|
|
{
|
|
m_current = device_constrained(position);
|
|
draw_area();
|
|
}
|
|
typedef MemberCaller1<Selector_, DeviceVector, &Selector_::mouseMoved> MouseMovedCaller;
|
|
|
|
void mouseUp(DeviceVector position)
|
|
{
|
|
testSelect(device_constrained(position));
|
|
|
|
g_mouseMovedCallback.clear();
|
|
g_mouseUpCallback.clear();
|
|
}
|
|
typedef MemberCaller1<Selector_, DeviceVector, &Selector_::mouseUp> MouseUpCaller;
|
|
};
|
|
|
|
|
|
class Manipulator_
|
|
{
|
|
public:
|
|
DeviceVector m_epsilon;
|
|
const View* m_view;
|
|
|
|
bool mouseDown(DeviceVector position)
|
|
{
|
|
return getSelectionSystem().SelectManipulator(*m_view, &position[0], &m_epsilon[0]);
|
|
}
|
|
|
|
void mouseMoved(DeviceVector position)
|
|
{
|
|
getSelectionSystem().MoveSelected(*m_view, &position[0]);
|
|
}
|
|
typedef MemberCaller1<Manipulator_, DeviceVector, &Manipulator_::mouseMoved> MouseMovedCaller;
|
|
|
|
void mouseUp(DeviceVector position)
|
|
{
|
|
getSelectionSystem().endMove();
|
|
g_mouseMovedCallback.clear();
|
|
g_mouseUpCallback.clear();
|
|
}
|
|
typedef MemberCaller1<Manipulator_, DeviceVector, &Manipulator_::mouseUp> MouseUpCaller;
|
|
};
|
|
|
|
void Scene_copyClosestTexture(SelectionTest& test);
|
|
void Scene_applyClosestTexture(SelectionTest& test);
|
|
|
|
class RadiantWindowObserver : public SelectionSystemWindowObserver
|
|
{
|
|
enum
|
|
{
|
|
SELECT_EPSILON = 8,
|
|
};
|
|
|
|
int m_width;
|
|
int m_height;
|
|
|
|
bool m_mouse_down;
|
|
|
|
public:
|
|
Selector_ m_selector;
|
|
Manipulator_ m_manipulator;
|
|
|
|
RadiantWindowObserver() : m_mouse_down(false)
|
|
{
|
|
}
|
|
void release()
|
|
{
|
|
delete this;
|
|
}
|
|
void setView(const View& view)
|
|
{
|
|
m_selector.m_view = &view;
|
|
m_manipulator.m_view = &view;
|
|
}
|
|
void setRectangleDrawCallback(const RectangleCallback& callback)
|
|
{
|
|
m_selector.m_window_update = callback;
|
|
}
|
|
void onSizeChanged(int width, int height)
|
|
{
|
|
m_width = width;
|
|
m_height = height;
|
|
DeviceVector epsilon(SELECT_EPSILON / static_cast<float>(m_width), SELECT_EPSILON / static_cast<float>(m_height));
|
|
m_selector.m_epsilon = m_manipulator.m_epsilon = epsilon;
|
|
}
|
|
void onMouseDown(const WindowVector& position, ButtonIdentifier button, ModifierFlags modifiers)
|
|
{
|
|
if(button == c_button_select)
|
|
{
|
|
m_mouse_down = true;
|
|
|
|
DeviceVector devicePosition(window_to_normalised_device(position, m_width, m_height));
|
|
if(modifiers == c_modifier_manipulator && m_manipulator.mouseDown(devicePosition))
|
|
{
|
|
g_mouseMovedCallback.insert(MouseEventCallback(Manipulator_::MouseMovedCaller(m_manipulator)));
|
|
g_mouseUpCallback.insert(MouseEventCallback(Manipulator_::MouseUpCaller(m_manipulator)));
|
|
}
|
|
else
|
|
{
|
|
m_selector.mouseDown(devicePosition);
|
|
g_mouseMovedCallback.insert(MouseEventCallback(Selector_::MouseMovedCaller(m_selector)));
|
|
g_mouseUpCallback.insert(MouseEventCallback(Selector_::MouseUpCaller(m_selector)));
|
|
}
|
|
}
|
|
else if(button == c_button_texture)
|
|
{
|
|
DeviceVector devicePosition(device_constrained(window_to_normalised_device(position, m_width, m_height)));
|
|
|
|
View scissored(*m_selector.m_view);
|
|
ConstructSelectionTest(scissored, SelectionBoxForPoint(&devicePosition[0], &m_selector.m_epsilon[0]));
|
|
SelectionVolume volume(scissored);
|
|
|
|
if(modifiers == c_modifier_apply_texture)
|
|
{
|
|
Scene_applyClosestTexture(volume);
|
|
}
|
|
else if(modifiers == c_modifier_copy_texture)
|
|
{
|
|
Scene_copyClosestTexture(volume);
|
|
}
|
|
}
|
|
}
|
|
void onMouseMotion(const WindowVector& position, ModifierFlags modifiers)
|
|
{
|
|
m_selector.m_unmoved_replaces = 0;
|
|
|
|
if(m_mouse_down && !g_mouseMovedCallback.empty())
|
|
{
|
|
g_mouseMovedCallback.get()(window_to_normalised_device(position, m_width, m_height));
|
|
}
|
|
}
|
|
void onMouseUp(const WindowVector& position, ButtonIdentifier button, ModifierFlags modifiers)
|
|
{
|
|
if(button == c_button_select && !g_mouseUpCallback.empty())
|
|
{
|
|
m_mouse_down = false;
|
|
|
|
g_mouseUpCallback.get()(window_to_normalised_device(position, m_width, m_height));
|
|
}
|
|
}
|
|
void onModifierDown(ModifierFlags type)
|
|
{
|
|
m_selector.modifierEnable(type);
|
|
}
|
|
void onModifierUp(ModifierFlags type)
|
|
{
|
|
m_selector.modifierDisable(type);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
SelectionSystemWindowObserver* NewWindowObserver()
|
|
{
|
|
return new RadiantWindowObserver;
|
|
}
|
|
|
|
|
|
|
|
#include "modulesystem/singletonmodule.h"
|
|
#include "modulesystem/moduleregistry.h"
|
|
|
|
class SelectionDependencies :
|
|
public GlobalSceneGraphModuleRef,
|
|
public GlobalShaderCacheModuleRef,
|
|
public GlobalOpenGLModuleRef
|
|
{
|
|
};
|
|
|
|
class SelectionAPI : public TypeSystemRef
|
|
{
|
|
SelectionSystem* m_selection;
|
|
public:
|
|
typedef SelectionSystem Type;
|
|
STRING_CONSTANT(Name, "*");
|
|
|
|
SelectionAPI()
|
|
{
|
|
SelectionSystem_Construct();
|
|
|
|
m_selection = &getSelectionSystem();
|
|
}
|
|
~SelectionAPI()
|
|
{
|
|
SelectionSystem_Destroy();
|
|
}
|
|
SelectionSystem* getTable()
|
|
{
|
|
return m_selection;
|
|
}
|
|
};
|
|
|
|
typedef SingletonModule<SelectionAPI, SelectionDependencies> SelectionModule;
|
|
typedef Static<SelectionModule> StaticSelectionModule;
|
|
StaticRegisterModule staticRegisterSelection(StaticSelectionModule::instance());
|