4092 lines
129 KiB
C++
4092 lines
129 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "selection.h"
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#include "globaldefs.h"
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#include "debugging/debugging.h"
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#include <map>
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#include <list>
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#include <set>
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#include "windowobserver.h"
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#include "iundo.h"
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#include "ientity.h"
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#include "cullable.h"
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#include "renderable.h"
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#include "selectable.h"
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#include "editable.h"
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#include "math/frustum.h"
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#include "signal/signal.h"
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#include "generic/object.h"
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#include "selectionlib.h"
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#include "render.h"
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#include "view.h"
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#include "renderer.h"
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#include "stream/stringstream.h"
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#include "eclasslib.h"
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#include "generic/bitfield.h"
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#include "generic/static.h"
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#include "pivot.h"
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#include "stringio.h"
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#include "container/container.h"
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#include "grid.h"
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TextOutputStream &ostream_write(TextOutputStream &t, const Vector4 &v)
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{
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return t << "[ " << v.x() << " " << v.y() << " " << v.z() << " " << v.w() << " ]";
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}
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TextOutputStream &ostream_write(TextOutputStream &t, const Matrix4 &m)
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{
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return t << "[ " << m.x() << " " << m.y() << " " << m.z() << " " << m.t() << " ]";
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}
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struct Pivot2World {
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Matrix4 m_worldSpace;
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Matrix4 m_viewpointSpace;
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Matrix4 m_viewplaneSpace;
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Vector3 m_axis_screen;
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void
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update(const Matrix4 &pivot2world, const Matrix4 &modelview, const Matrix4 &projection, const Matrix4 &viewport)
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{
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Pivot2World_worldSpace(m_worldSpace, pivot2world, modelview, projection, viewport);
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Pivot2World_viewpointSpace(m_viewpointSpace, m_axis_screen, pivot2world, modelview, projection, viewport);
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Pivot2World_viewplaneSpace(m_viewplaneSpace, pivot2world, modelview, projection, viewport);
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}
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};
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void point_for_device_point(Vector3 &point, const Matrix4 &device2object, const float x, const float y, const float z)
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{
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// transform from normalised device coords to object coords
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point = vector4_projected(matrix4_transformed_vector4(device2object, Vector4(x, y, z, 1)));
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}
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void ray_for_device_point(Ray &ray, const Matrix4 &device2object, const float x, const float y)
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{
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// point at x, y, zNear
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point_for_device_point(ray.origin, device2object, x, y, -1);
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// point at x, y, zFar
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point_for_device_point(ray.direction, device2object, x, y, 1);
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// construct ray
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vector3_subtract(ray.direction, ray.origin);
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vector3_normalise(ray.direction);
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}
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bool sphere_intersect_ray(const Vector3 &origin, float radius, const Ray &ray, Vector3 &intersection)
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{
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intersection = vector3_subtracted(origin, ray.origin);
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const double a = vector3_dot(intersection, ray.direction);
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const double d = radius * radius - (vector3_dot(intersection, intersection) - a * a);
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if (d > 0) {
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intersection = vector3_added(ray.origin, vector3_scaled(ray.direction, a - sqrt(d)));
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return true;
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} else {
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intersection = vector3_added(ray.origin, vector3_scaled(ray.direction, a));
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return false;
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}
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}
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void ray_intersect_ray(const Ray &ray, const Ray &other, Vector3 &intersection)
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{
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intersection = vector3_subtracted(ray.origin, other.origin);
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//float a = 1;//vector3_dot(ray.direction, ray.direction); // always >= 0
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double dot = vector3_dot(ray.direction, other.direction);
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//float c = 1;//vector3_dot(other.direction, other.direction); // always >= 0
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double d = vector3_dot(ray.direction, intersection);
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double e = vector3_dot(other.direction, intersection);
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double D = 1 - dot * dot; //a*c - dot*dot; // always >= 0
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if (D < 0.000001) {
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// the lines are almost parallel
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intersection = vector3_added(other.origin, vector3_scaled(other.direction, e));
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} else {
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intersection = vector3_added(other.origin, vector3_scaled(other.direction, (e - dot * d) / D));
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}
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}
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const Vector3 g_origin(0, 0, 0);
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const float g_radius = 64;
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void point_on_sphere(Vector3 &point, const Matrix4 &device2object, const float x, const float y)
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{
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Ray ray;
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ray_for_device_point(ray, device2object, x, y);
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sphere_intersect_ray(g_origin, g_radius, ray, point);
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}
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void point_on_axis(Vector3 &point, const Vector3 &axis, const Matrix4 &device2object, const float x, const float y)
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{
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Ray ray;
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ray_for_device_point(ray, device2object, x, y);
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ray_intersect_ray(ray, Ray(Vector3(0, 0, 0), axis), point);
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}
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void point_on_plane(Vector3 &point, const Matrix4 &device2object, const float x, const float y)
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{
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Matrix4 object2device(matrix4_full_inverse(device2object));
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point = vector4_projected(
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matrix4_transformed_vector4(device2object, Vector4(x, y, object2device[14] / object2device[15], 1)));
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}
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//! a and b are unit vectors .. returns angle in radians
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inline float angle_between(const Vector3 &a, const Vector3 &b)
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{
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return static_cast<float>( 2.0 * atan2(
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vector3_length(vector3_subtracted(a, b)),
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vector3_length(vector3_added(a, b))
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));
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}
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#if GDEF_DEBUG
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class test_quat {
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public:
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test_quat(const Vector3 &from, const Vector3 &to)
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{
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Vector4 quaternion(quaternion_for_unit_vectors(from, to));
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Matrix4 matrix(matrix4_rotation_for_quaternion(
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quaternion_multiplied_by_quaternion(quaternion, c_quaternion_identity)));
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}
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private:
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};
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static test_quat bleh(g_vector3_axis_x, g_vector3_axis_y);
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#endif
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//! axis is a unit vector
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inline void constrain_to_axis(Vector3 &vec, const Vector3 &axis)
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{
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vec = vector3_normalised(vector3_added(vec, vector3_scaled(axis, -vector3_dot(vec, axis))));
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}
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//! a and b are unit vectors .. a and b must be orthogonal to axis .. returns angle in radians
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float angle_for_axis(const Vector3 &a, const Vector3 &b, const Vector3 &axis)
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{
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if (vector3_dot(axis, vector3_cross(a, b)) > 0.0) {
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return angle_between(a, b);
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} else {
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return -angle_between(a, b);
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}
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}
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float distance_for_axis(const Vector3 &a, const Vector3 &b, const Vector3 &axis)
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{
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return static_cast<float>( vector3_dot(b, axis) - vector3_dot(a, axis));
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}
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class Manipulatable {
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public:
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virtual void Construct(const Matrix4 &device2manip, const float x, const float y) = 0;
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virtual void Transform(const Matrix4 &manip2object, const Matrix4 &device2manip, const float x, const float y) = 0;
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};
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void transform_local2object(Matrix4 &object, const Matrix4 &local, const Matrix4 &local2object)
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{
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object = matrix4_multiplied_by_matrix4(
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matrix4_multiplied_by_matrix4(local2object, local),
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matrix4_full_inverse(local2object)
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);
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}
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class Rotatable {
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public:
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virtual ~Rotatable() = default;
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virtual void rotate(const Quaternion &rotation) = 0;
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};
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class RotateFree : public Manipulatable {
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Vector3 m_start;
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Rotatable &m_rotatable;
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public:
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RotateFree(Rotatable &rotatable)
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: m_rotatable(rotatable)
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{
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}
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void Construct(const Matrix4 &device2manip, const float x, const float y)
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{
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point_on_sphere(m_start, device2manip, x, y);
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vector3_normalise(m_start);
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}
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void Transform(const Matrix4 &manip2object, const Matrix4 &device2manip, const float x, const float y)
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{
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Vector3 current;
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point_on_sphere(current, device2manip, x, y);
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vector3_normalise(current);
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m_rotatable.rotate(quaternion_for_unit_vectors(m_start, current));
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}
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};
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class RotateAxis : public Manipulatable {
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Vector3 m_axis;
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Vector3 m_start;
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Rotatable &m_rotatable;
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public:
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RotateAxis(Rotatable &rotatable)
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: m_rotatable(rotatable)
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{
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}
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void Construct(const Matrix4 &device2manip, const float x, const float y)
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{
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point_on_sphere(m_start, device2manip, x, y);
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constrain_to_axis(m_start, m_axis);
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}
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/// \brief Converts current position to a normalised vector orthogonal to axis.
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void Transform(const Matrix4 &manip2object, const Matrix4 &device2manip, const float x, const float y)
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{
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Vector3 current;
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point_on_sphere(current, device2manip, x, y);
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constrain_to_axis(current, m_axis);
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m_rotatable.rotate(quaternion_for_axisangle(m_axis, angle_for_axis(m_start, current, m_axis)));
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}
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void SetAxis(const Vector3 &axis)
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{
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m_axis = axis;
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}
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};
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void translation_local2object(Vector3 &object, const Vector3 &local, const Matrix4 &local2object)
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{
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object = matrix4_get_translation_vec3(
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matrix4_multiplied_by_matrix4(
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matrix4_translated_by_vec3(local2object, local),
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matrix4_full_inverse(local2object)
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)
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);
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}
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class Translatable {
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public:
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virtual ~Translatable() = default;
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virtual void translate(const Vector3 &translation) = 0;
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};
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class TranslateAxis : public Manipulatable {
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Vector3 m_start;
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Vector3 m_axis;
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Translatable &m_translatable;
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public:
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TranslateAxis(Translatable &translatable)
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: m_translatable(translatable)
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{
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}
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void Construct(const Matrix4 &device2manip, const float x, const float y)
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{
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point_on_axis(m_start, m_axis, device2manip, x, y);
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}
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void Transform(const Matrix4 &manip2object, const Matrix4 &device2manip, const float x, const float y)
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{
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Vector3 current;
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point_on_axis(current, m_axis, device2manip, x, y);
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current = vector3_scaled(m_axis, distance_for_axis(m_start, current, m_axis));
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translation_local2object(current, current, manip2object);
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vector3_snap(current, GetSnapGridSize());
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m_translatable.translate(current);
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}
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void SetAxis(const Vector3 &axis)
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{
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m_axis = axis;
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}
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};
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class TranslateFree : public Manipulatable {
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private:
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Vector3 m_start;
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Translatable &m_translatable;
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public:
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TranslateFree(Translatable &translatable)
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: m_translatable(translatable)
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{
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}
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void Construct(const Matrix4 &device2manip, const float x, const float y)
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{
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point_on_plane(m_start, device2manip, x, y);
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}
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void Transform(const Matrix4 &manip2object, const Matrix4 &device2manip, const float x, const float y)
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{
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Vector3 current;
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point_on_plane(current, device2manip, x, y);
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current = vector3_subtracted(current, m_start);
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translation_local2object(current, current, manip2object);
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vector3_snap(current, GetSnapGridSize());
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m_translatable.translate(current);
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}
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};
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class Scalable {
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public:
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virtual ~Scalable() = default;
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virtual void scale(const Vector3 &scaling) = 0;
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};
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class ScaleAxis : public Manipulatable {
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private:
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Vector3 m_start;
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Vector3 m_axis;
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Scalable &m_scalable;
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public:
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ScaleAxis(Scalable &scalable)
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: m_scalable(scalable)
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{
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}
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void Construct(const Matrix4 &device2manip, const float x, const float y)
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{
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point_on_axis(m_start, m_axis, device2manip, x, y);
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}
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void Transform(const Matrix4 &manip2object, const Matrix4 &device2manip, const float x, const float y)
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{
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Vector3 current;
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point_on_axis(current, m_axis, device2manip, x, y);
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Vector3 delta = vector3_subtracted(current, m_start);
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translation_local2object(delta, delta, manip2object);
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vector3_snap(delta, GetSnapGridSize());
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Vector3 start(vector3_snapped(m_start, GetSnapGridSize()));
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Vector3 scale(
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start[0] == 0 ? 1 : 1 + delta[0] / start[0],
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start[1] == 0 ? 1 : 1 + delta[1] / start[1],
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start[2] == 0 ? 1 : 1 + delta[2] / start[2]
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);
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m_scalable.scale(scale);
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}
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void SetAxis(const Vector3 &axis)
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{
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m_axis = axis;
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}
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};
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class ScaleFree : public Manipulatable {
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private:
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Vector3 m_start;
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Scalable &m_scalable;
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public:
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ScaleFree(Scalable &scalable)
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: m_scalable(scalable)
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{
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}
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void Construct(const Matrix4 &device2manip, const float x, const float y)
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{
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point_on_plane(m_start, device2manip, x, y);
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}
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void Transform(const Matrix4 &manip2object, const Matrix4 &device2manip, const float x, const float y)
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{
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Vector3 current;
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point_on_plane(current, device2manip, x, y);
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Vector3 delta = vector3_subtracted(current, m_start);
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translation_local2object(delta, delta, manip2object);
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vector3_snap(delta, GetSnapGridSize());
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Vector3 start(vector3_snapped(m_start, GetSnapGridSize()));
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Vector3 scale(
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start[0] == 0 ? 1 : 1 + delta[0] / start[0],
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start[1] == 0 ? 1 : 1 + delta[1] / start[1],
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start[2] == 0 ? 1 : 1 + delta[2] / start[2]
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);
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m_scalable.scale(scale);
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}
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};
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class RenderableClippedPrimitive : public OpenGLRenderable {
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struct primitive_t {
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PointVertex m_points[9];
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std::size_t m_count;
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};
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Matrix4 m_inverse;
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std::vector<primitive_t> m_primitives;
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public:
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Matrix4 m_world;
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void render(RenderStateFlags state) const
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{
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for (std::size_t i = 0; i < m_primitives.size(); ++i) {
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glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(PointVertex), &m_primitives[i].m_points[0].colour);
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glVertexPointer(3, GL_FLOAT, sizeof(PointVertex), &m_primitives[i].m_points[0].vertex);
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switch (m_primitives[i].m_count) {
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case 1:
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break;
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case 2:
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glDrawArrays(GL_LINES, 0, GLsizei(m_primitives[i].m_count));
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break;
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default:
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glDrawArrays(GL_POLYGON, 0, GLsizei(m_primitives[i].m_count));
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break;
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}
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}
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}
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void construct(const Matrix4 &world2device)
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{
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m_inverse = matrix4_full_inverse(world2device);
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m_world = g_matrix4_identity;
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}
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void insert(const Vector4 clipped[9], std::size_t count)
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{
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add_one();
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m_primitives.back().m_count = count;
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for (std::size_t i = 0; i < count; ++i) {
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Vector3 world_point(vector4_projected(matrix4_transformed_vector4(m_inverse, clipped[i])));
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m_primitives.back().m_points[i].vertex = vertex3f_for_vector3(world_point);
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}
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}
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void destroy()
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{
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m_primitives.clear();
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}
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private:
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void add_one()
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{
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m_primitives.push_back(primitive_t());
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const Colour4b colour_clipped(255, 127, 0, 255);
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for (std::size_t i = 0; i < 9; ++i) {
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m_primitives.back().m_points[i].colour = colour_clipped;
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}
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}
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};
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#if GDEF_DEBUG
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//#define DEBUG_SELECTION
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#endif
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|
|
#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 MemberCaller<SelectedPlaneSet, void(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:
|
|
using func = void(const Selectable &);
|
|
|
|
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_matrix_transform(Vector3 &parent_translation, const Matrix4 &local_transform,
|
|
const Vector3 &world_pivot, const Matrix4 &localToWorld,
|
|
const Matrix4 &localToParent)
|
|
{
|
|
// we need a translation inside the parent system to move the origin of this object to the right place
|
|
|
|
// mathematically, it must fulfill:
|
|
//
|
|
// local_translation local_transform local_pivot = local_pivot
|
|
// local_translation = local_pivot - local_transform local_pivot
|
|
//
|
|
// or maybe?
|
|
// local_transform local_translation local_pivot = local_pivot
|
|
// local_translation local_pivot = local_transform^-1 local_pivot
|
|
// local_translation + local_pivot = local_transform^-1 local_pivot
|
|
// local_translation = local_transform^-1 local_pivot - local_pivot
|
|
|
|
Vector3 local_pivot(get_local_pivot(world_pivot, localToWorld));
|
|
|
|
Vector3 local_translation(
|
|
vector3_subtracted(
|
|
local_pivot,
|
|
matrix4_transformed_point(
|
|
local_transform,
|
|
local_pivot
|
|
)
|
|
/*
|
|
matrix4_transformed_point(
|
|
matrix4_full_inverse(local_transform),
|
|
local_pivot
|
|
),
|
|
local_pivot
|
|
*/
|
|
)
|
|
);
|
|
|
|
translation_local2object(parent_translation, local_translation, localToParent);
|
|
|
|
/*
|
|
// verify it!
|
|
globalOutputStream() << "World pivot is at " << world_pivot << "\n";
|
|
globalOutputStream() << "Local pivot is at " << local_pivot << "\n";
|
|
globalOutputStream() << "Transformation " << local_transform << " moves it to: " << matrix4_transformed_point(local_transform, local_pivot) << "\n";
|
|
globalOutputStream() << "Must move by " << local_translation << " in the local system" << "\n";
|
|
globalOutputStream() << "Must move by " << parent_translation << " in the parent system" << "\n";
|
|
*/
|
|
}
|
|
|
|
void translation_for_pivoted_rotation(Vector3 &parent_translation, const Quaternion &local_rotation,
|
|
const Vector3 &world_pivot, const Matrix4 &localToWorld,
|
|
const Matrix4 &localToParent)
|
|
{
|
|
translation_for_pivoted_matrix_transform(parent_translation,
|
|
matrix4_rotation_for_quaternion_quantised(local_rotation), world_pivot,
|
|
localToWorld, localToParent);
|
|
}
|
|
|
|
void translation_for_pivoted_scale(Vector3 &parent_translation, const Vector3 &world_scale, const Vector3 &world_pivot,
|
|
const Matrix4 &localToWorld, const Matrix4 &localToParent)
|
|
{
|
|
Matrix4 local_transform(
|
|
matrix4_multiplied_by_matrix4(
|
|
matrix4_full_inverse(localToWorld),
|
|
matrix4_multiplied_by_matrix4(
|
|
matrix4_scale_for_vec3(world_scale),
|
|
localToWorld
|
|
)
|
|
)
|
|
);
|
|
local_transform.tx() = local_transform.ty() = local_transform.tz() = 0; // cancel translation parts
|
|
translation_for_pivoted_matrix_transform(parent_translation, local_transform, world_pivot, localToWorld,
|
|
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));
|
|
}
|
|
extern bool g_expansion_enabled;
|
|
|
|
void Scene_ExpandSelectionToEntities();
|
|
|
|
// 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, void(), &RadiantSelectionSystem::pivotChanged> PivotChangedCaller;
|
|
|
|
void pivotChangedSelection(const Selectable &selectable)
|
|
{
|
|
pivotChanged();
|
|
}
|
|
|
|
typedef MemberCaller<RadiantSelectionSystem, void(
|
|
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 makeCallback(m_count_primitive);
|
|
} else {
|
|
return makeCallback(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 MemberCaller<RadiantSelectionSystem, void(
|
|
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);
|
|
|
|
if (modifier == eToggle && g_expansion_enabled == true) { /* eukara: hack? */
|
|
Scene_ExpandSelectionToEntities();
|
|
}
|
|
}
|
|
}
|
|
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, GetSnapGridSize());
|
|
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<void(), 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 Callback<void(DeviceVector)> MouseEventCallback;
|
|
|
|
Single<MouseEventCallback> g_mouseMovedCallback;
|
|
Single<MouseEventCallback> g_mouseUpCallback;
|
|
|
|
|
|
const ButtonIdentifier c_button_select = c_buttonLeft;
|
|
const ButtonIdentifier c_button_texture = c_buttonMiddle;
|
|
const ModifierFlags c_modifier_manipulator = c_modifierNone;
|
|
const ModifierFlags c_modifier_toggle = c_modifierShift;
|
|
const ModifierFlags c_modifier_toggle_face = c_modifierShift | c_modifierControl;
|
|
const ModifierFlags c_modifier_face = c_modifierControl;
|
|
const ModifierFlags c_modifier_replace = c_modifierShift | c_modifierAlt;
|
|
const ModifierFlags c_modifier_replace_face = c_modifier_replace | c_modifier_face;
|
|
const ModifierFlags c_modifier_apply_texture1 = c_modifierControl | c_modifierShift;
|
|
const ModifierFlags c_modifier_apply_texture2 = c_modifierControl;
|
|
const ModifierFlags c_modifier_apply_texture3 = 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 MemberCaller<Selector_, void(DeviceVector), &Selector_::mouseMoved> MouseMovedCaller;
|
|
|
|
void mouseUp(DeviceVector position)
|
|
{
|
|
testSelect(device_constrained(position));
|
|
|
|
g_mouseMovedCallback.clear();
|
|
g_mouseUpCallback.clear();
|
|
}
|
|
|
|
typedef MemberCaller<Selector_, void(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 MemberCaller<Manipulator_, void(DeviceVector), &Manipulator_::mouseMoved> MouseMovedCaller;
|
|
|
|
void mouseUp(DeviceVector position)
|
|
{
|
|
getSelectionSystem().endMove();
|
|
g_mouseMovedCallback.clear();
|
|
g_mouseUpCallback.clear();
|
|
}
|
|
|
|
typedef MemberCaller<Manipulator_, void(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_texture1 || modifiers == c_modifier_apply_texture2 ||
|
|
modifiers == c_modifier_apply_texture3) {
|
|
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());
|