mirror of
https://github.com/godotengine/godot.git
synced 2024-12-21 10:25:24 +08:00
447 lines
15 KiB
C++
447 lines
15 KiB
C++
/**************************************************************************/
|
|
/* path_3d.cpp */
|
|
/**************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/**************************************************************************/
|
|
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/**************************************************************************/
|
|
|
|
#include "path_3d.h"
|
|
|
|
Path3D::Path3D() {
|
|
SceneTree *st = SceneTree::get_singleton();
|
|
if (st && st->is_debugging_paths_hint()) {
|
|
debug_instance = RS::get_singleton()->instance_create();
|
|
set_notify_transform(true);
|
|
_update_debug_mesh();
|
|
}
|
|
}
|
|
|
|
Path3D::~Path3D() {
|
|
if (debug_instance.is_valid()) {
|
|
ERR_FAIL_NULL(RenderingServer::get_singleton());
|
|
RS::get_singleton()->free(debug_instance);
|
|
}
|
|
if (debug_mesh.is_valid()) {
|
|
ERR_FAIL_NULL(RenderingServer::get_singleton());
|
|
RS::get_singleton()->free(debug_mesh->get_rid());
|
|
}
|
|
}
|
|
|
|
void Path3D::_notification(int p_what) {
|
|
switch (p_what) {
|
|
case NOTIFICATION_ENTER_TREE: {
|
|
SceneTree *st = SceneTree::get_singleton();
|
|
if (st && st->is_debugging_paths_hint()) {
|
|
_update_debug_mesh();
|
|
}
|
|
} break;
|
|
|
|
case NOTIFICATION_EXIT_TREE: {
|
|
SceneTree *st = SceneTree::get_singleton();
|
|
if (st && st->is_debugging_paths_hint()) {
|
|
RS::get_singleton()->instance_set_visible(debug_instance, false);
|
|
}
|
|
} break;
|
|
|
|
case NOTIFICATION_TRANSFORM_CHANGED: {
|
|
if (is_inside_tree() && debug_instance.is_valid()) {
|
|
RS::get_singleton()->instance_set_transform(debug_instance, get_global_transform());
|
|
}
|
|
} break;
|
|
}
|
|
}
|
|
|
|
void Path3D::_update_debug_mesh() {
|
|
SceneTree *st = SceneTree::get_singleton();
|
|
if (!(st && st->is_debugging_paths_hint())) {
|
|
return;
|
|
}
|
|
|
|
if (!debug_mesh.is_valid()) {
|
|
debug_mesh = Ref<ArrayMesh>(memnew(ArrayMesh));
|
|
}
|
|
|
|
if (!(curve.is_valid())) {
|
|
RS::get_singleton()->instance_set_visible(debug_instance, false);
|
|
return;
|
|
}
|
|
if (curve->get_point_count() < 2) {
|
|
RS::get_singleton()->instance_set_visible(debug_instance, false);
|
|
return;
|
|
}
|
|
|
|
Vector<Vector3> vertex_array;
|
|
|
|
for (int i = 1; i < curve->get_point_count(); i++) {
|
|
Vector3 line_end = curve->get_point_position(i);
|
|
Vector3 line_start = curve->get_point_position(i - 1);
|
|
vertex_array.push_back(line_start);
|
|
vertex_array.push_back(line_end);
|
|
}
|
|
|
|
Array mesh_array;
|
|
mesh_array.resize(Mesh::ARRAY_MAX);
|
|
mesh_array[Mesh::ARRAY_VERTEX] = vertex_array;
|
|
|
|
debug_mesh->clear_surfaces();
|
|
debug_mesh->add_surface_from_arrays(Mesh::PRIMITIVE_LINES, mesh_array);
|
|
|
|
RS::get_singleton()->instance_set_base(debug_instance, debug_mesh->get_rid());
|
|
RS::get_singleton()->mesh_surface_set_material(debug_mesh->get_rid(), 0, st->get_debug_paths_material()->get_rid());
|
|
if (is_inside_tree()) {
|
|
RS::get_singleton()->instance_set_scenario(debug_instance, get_world_3d()->get_scenario());
|
|
RS::get_singleton()->instance_set_transform(debug_instance, get_global_transform());
|
|
RS::get_singleton()->instance_set_visible(debug_instance, is_visible_in_tree());
|
|
}
|
|
}
|
|
|
|
void Path3D::_curve_changed() {
|
|
if (is_inside_tree() && Engine::get_singleton()->is_editor_hint()) {
|
|
update_gizmos();
|
|
}
|
|
if (is_inside_tree()) {
|
|
emit_signal(SNAME("curve_changed"));
|
|
}
|
|
|
|
// update the configuration warnings of all children of type PathFollow
|
|
// previously used for PathFollowOriented (now enforced orientation is done in PathFollow)
|
|
if (is_inside_tree()) {
|
|
for (int i = 0; i < get_child_count(); i++) {
|
|
PathFollow3D *child = Object::cast_to<PathFollow3D>(get_child(i));
|
|
if (child) {
|
|
child->update_configuration_warnings();
|
|
}
|
|
}
|
|
}
|
|
SceneTree *st = SceneTree::get_singleton();
|
|
if (st && st->is_debugging_paths_hint()) {
|
|
_update_debug_mesh();
|
|
}
|
|
}
|
|
|
|
void Path3D::set_curve(const Ref<Curve3D> &p_curve) {
|
|
if (curve.is_valid()) {
|
|
curve->disconnect_changed(callable_mp(this, &Path3D::_curve_changed));
|
|
}
|
|
|
|
curve = p_curve;
|
|
|
|
if (curve.is_valid()) {
|
|
curve->connect_changed(callable_mp(this, &Path3D::_curve_changed));
|
|
}
|
|
_curve_changed();
|
|
}
|
|
|
|
Ref<Curve3D> Path3D::get_curve() const {
|
|
return curve;
|
|
}
|
|
|
|
void Path3D::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_curve", "curve"), &Path3D::set_curve);
|
|
ClassDB::bind_method(D_METHOD("get_curve"), &Path3D::get_curve);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve3D", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_EDITOR_INSTANTIATE_OBJECT), "set_curve", "get_curve");
|
|
|
|
ADD_SIGNAL(MethodInfo("curve_changed"));
|
|
}
|
|
|
|
//////////////
|
|
|
|
void PathFollow3D::_update_transform(bool p_update_xyz_rot) {
|
|
if (!path) {
|
|
return;
|
|
}
|
|
|
|
Ref<Curve3D> c = path->get_curve();
|
|
if (!c.is_valid()) {
|
|
return;
|
|
}
|
|
|
|
real_t bl = c->get_baked_length();
|
|
if (bl == 0.0) {
|
|
return;
|
|
}
|
|
|
|
Transform3D t;
|
|
|
|
if (rotation_mode == ROTATION_NONE) {
|
|
Vector3 pos = c->sample_baked(progress, cubic);
|
|
t.origin = pos;
|
|
} else {
|
|
t = c->sample_baked_with_rotation(progress, cubic, false);
|
|
if (use_model_front) {
|
|
t.basis *= Basis::from_scale(Vector3(-1.0, 1.0, -1.0));
|
|
}
|
|
Vector3 forward = t.basis.get_column(2); // Retain tangent for applying tilt
|
|
t = PathFollow3D::correct_posture(t, rotation_mode);
|
|
|
|
// Apply tilt *after* correct_posture
|
|
if (tilt_enabled) {
|
|
const real_t tilt = c->sample_baked_tilt(progress);
|
|
|
|
const Basis twist(forward, tilt);
|
|
t.basis = twist * t.basis;
|
|
}
|
|
}
|
|
|
|
Vector3 scale = get_transform().basis.get_scale();
|
|
|
|
t.translate_local(Vector3(h_offset, v_offset, 0));
|
|
t.basis.scale_local(scale);
|
|
|
|
set_transform(t);
|
|
}
|
|
|
|
void PathFollow3D::_notification(int p_what) {
|
|
switch (p_what) {
|
|
case NOTIFICATION_ENTER_TREE: {
|
|
Node *parent = get_parent();
|
|
if (parent) {
|
|
path = Object::cast_to<Path3D>(parent);
|
|
if (path) {
|
|
_update_transform(false);
|
|
}
|
|
}
|
|
} break;
|
|
|
|
case NOTIFICATION_EXIT_TREE: {
|
|
path = nullptr;
|
|
} break;
|
|
}
|
|
}
|
|
|
|
void PathFollow3D::set_cubic_interpolation_enabled(bool p_enabled) {
|
|
cubic = p_enabled;
|
|
}
|
|
|
|
bool PathFollow3D::is_cubic_interpolation_enabled() const {
|
|
return cubic;
|
|
}
|
|
|
|
void PathFollow3D::_validate_property(PropertyInfo &p_property) const {
|
|
if (p_property.name == "offset") {
|
|
real_t max = 10000;
|
|
if (path && path->get_curve().is_valid()) {
|
|
max = path->get_curve()->get_baked_length();
|
|
}
|
|
|
|
p_property.hint_string = "0," + rtos(max) + ",0.01,or_less,or_greater";
|
|
}
|
|
}
|
|
|
|
PackedStringArray PathFollow3D::get_configuration_warnings() const {
|
|
PackedStringArray warnings = Node::get_configuration_warnings();
|
|
|
|
if (is_visible_in_tree() && is_inside_tree()) {
|
|
if (!Object::cast_to<Path3D>(get_parent())) {
|
|
warnings.push_back(RTR("PathFollow3D only works when set as a child of a Path3D node."));
|
|
} else {
|
|
Path3D *p = Object::cast_to<Path3D>(get_parent());
|
|
if (p->get_curve().is_valid() && !p->get_curve()->is_up_vector_enabled() && rotation_mode == ROTATION_ORIENTED) {
|
|
warnings.push_back(RTR("PathFollow3D's ROTATION_ORIENTED requires \"Up Vector\" to be enabled in its parent Path3D's Curve resource."));
|
|
}
|
|
}
|
|
}
|
|
|
|
return warnings;
|
|
}
|
|
|
|
Transform3D PathFollow3D::correct_posture(Transform3D p_transform, PathFollow3D::RotationMode p_rotation_mode) {
|
|
Transform3D t = p_transform;
|
|
|
|
// Modify frame according to rotation mode.
|
|
if (p_rotation_mode == PathFollow3D::ROTATION_NONE) {
|
|
// Clear rotation.
|
|
t.basis = Basis();
|
|
} else if (p_rotation_mode == PathFollow3D::ROTATION_ORIENTED) {
|
|
// Y-axis always straight up.
|
|
Vector3 up(0.0, 1.0, 0.0);
|
|
Vector3 forward = t.basis.get_column(2);
|
|
|
|
t.basis = Basis::looking_at(-forward, up);
|
|
} else {
|
|
// Lock some euler axes.
|
|
Vector3 euler = t.basis.get_euler_normalized(EulerOrder::YXZ);
|
|
if (p_rotation_mode == PathFollow3D::ROTATION_Y) {
|
|
// Only Y-axis allowed.
|
|
euler[0] = 0;
|
|
euler[2] = 0;
|
|
} else if (p_rotation_mode == PathFollow3D::ROTATION_XY) {
|
|
// XY allowed.
|
|
euler[2] = 0;
|
|
}
|
|
|
|
Basis locked = Basis::from_euler(euler, EulerOrder::YXZ);
|
|
t.basis = locked;
|
|
}
|
|
|
|
return t;
|
|
}
|
|
|
|
void PathFollow3D::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_progress", "progress"), &PathFollow3D::set_progress);
|
|
ClassDB::bind_method(D_METHOD("get_progress"), &PathFollow3D::get_progress);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_h_offset", "h_offset"), &PathFollow3D::set_h_offset);
|
|
ClassDB::bind_method(D_METHOD("get_h_offset"), &PathFollow3D::get_h_offset);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_v_offset", "v_offset"), &PathFollow3D::set_v_offset);
|
|
ClassDB::bind_method(D_METHOD("get_v_offset"), &PathFollow3D::get_v_offset);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_progress_ratio", "ratio"), &PathFollow3D::set_progress_ratio);
|
|
ClassDB::bind_method(D_METHOD("get_progress_ratio"), &PathFollow3D::get_progress_ratio);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_rotation_mode", "rotation_mode"), &PathFollow3D::set_rotation_mode);
|
|
ClassDB::bind_method(D_METHOD("get_rotation_mode"), &PathFollow3D::get_rotation_mode);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_cubic_interpolation", "enabled"), &PathFollow3D::set_cubic_interpolation_enabled);
|
|
ClassDB::bind_method(D_METHOD("get_cubic_interpolation"), &PathFollow3D::is_cubic_interpolation_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_use_model_front", "enabled"), &PathFollow3D::set_use_model_front);
|
|
ClassDB::bind_method(D_METHOD("is_using_model_front"), &PathFollow3D::is_using_model_front);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_loop", "loop"), &PathFollow3D::set_loop);
|
|
ClassDB::bind_method(D_METHOD("has_loop"), &PathFollow3D::has_loop);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_tilt_enabled", "enabled"), &PathFollow3D::set_tilt_enabled);
|
|
ClassDB::bind_method(D_METHOD("is_tilt_enabled"), &PathFollow3D::is_tilt_enabled);
|
|
|
|
ClassDB::bind_static_method("PathFollow3D", D_METHOD("correct_posture", "transform", "rotation_mode"), &PathFollow3D::correct_posture);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "progress", PROPERTY_HINT_RANGE, "0,10000,0.01,or_less,or_greater,suffix:m"), "set_progress", "get_progress");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "progress_ratio", PROPERTY_HINT_RANGE, "0,1,0.0001,or_less,or_greater", PROPERTY_USAGE_EDITOR), "set_progress_ratio", "get_progress_ratio");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "h_offset", PROPERTY_HINT_NONE, "suffix:m"), "set_h_offset", "get_h_offset");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "v_offset", PROPERTY_HINT_NONE, "suffix:m"), "set_v_offset", "get_v_offset");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "rotation_mode", PROPERTY_HINT_ENUM, "None,Y,XY,XYZ,Oriented"), "set_rotation_mode", "get_rotation_mode");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_model_front"), "set_use_model_front", "is_using_model_front");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "cubic_interp"), "set_cubic_interpolation", "get_cubic_interpolation");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "loop"), "set_loop", "has_loop");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "tilt_enabled"), "set_tilt_enabled", "is_tilt_enabled");
|
|
|
|
BIND_ENUM_CONSTANT(ROTATION_NONE);
|
|
BIND_ENUM_CONSTANT(ROTATION_Y);
|
|
BIND_ENUM_CONSTANT(ROTATION_XY);
|
|
BIND_ENUM_CONSTANT(ROTATION_XYZ);
|
|
BIND_ENUM_CONSTANT(ROTATION_ORIENTED);
|
|
}
|
|
|
|
void PathFollow3D::set_progress(real_t p_progress) {
|
|
ERR_FAIL_COND(!isfinite(p_progress));
|
|
progress = p_progress;
|
|
|
|
if (path) {
|
|
if (path->get_curve().is_valid()) {
|
|
real_t path_length = path->get_curve()->get_baked_length();
|
|
|
|
if (loop && path_length) {
|
|
progress = Math::fposmod(progress, path_length);
|
|
if (!Math::is_zero_approx(p_progress) && Math::is_zero_approx(progress)) {
|
|
progress = path_length;
|
|
}
|
|
} else {
|
|
progress = CLAMP(progress, 0, path_length);
|
|
}
|
|
}
|
|
|
|
_update_transform();
|
|
}
|
|
}
|
|
|
|
void PathFollow3D::set_h_offset(real_t p_h_offset) {
|
|
h_offset = p_h_offset;
|
|
if (path) {
|
|
_update_transform();
|
|
}
|
|
}
|
|
|
|
real_t PathFollow3D::get_h_offset() const {
|
|
return h_offset;
|
|
}
|
|
|
|
void PathFollow3D::set_v_offset(real_t p_v_offset) {
|
|
v_offset = p_v_offset;
|
|
if (path) {
|
|
_update_transform();
|
|
}
|
|
}
|
|
|
|
real_t PathFollow3D::get_v_offset() const {
|
|
return v_offset;
|
|
}
|
|
|
|
real_t PathFollow3D::get_progress() const {
|
|
return progress;
|
|
}
|
|
|
|
void PathFollow3D::set_progress_ratio(real_t p_ratio) {
|
|
if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length()) {
|
|
set_progress(p_ratio * path->get_curve()->get_baked_length());
|
|
}
|
|
}
|
|
|
|
real_t PathFollow3D::get_progress_ratio() const {
|
|
if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length()) {
|
|
return get_progress() / path->get_curve()->get_baked_length();
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void PathFollow3D::set_rotation_mode(RotationMode p_rotation_mode) {
|
|
rotation_mode = p_rotation_mode;
|
|
|
|
update_configuration_warnings();
|
|
_update_transform();
|
|
}
|
|
|
|
PathFollow3D::RotationMode PathFollow3D::get_rotation_mode() const {
|
|
return rotation_mode;
|
|
}
|
|
|
|
void PathFollow3D::set_use_model_front(bool p_use_model_front) {
|
|
use_model_front = p_use_model_front;
|
|
}
|
|
|
|
bool PathFollow3D::is_using_model_front() const {
|
|
return use_model_front;
|
|
}
|
|
|
|
void PathFollow3D::set_loop(bool p_loop) {
|
|
loop = p_loop;
|
|
}
|
|
|
|
bool PathFollow3D::has_loop() const {
|
|
return loop;
|
|
}
|
|
|
|
void PathFollow3D::set_tilt_enabled(bool p_enabled) {
|
|
tilt_enabled = p_enabled;
|
|
}
|
|
|
|
bool PathFollow3D::is_tilt_enabled() const {
|
|
return tilt_enabled;
|
|
}
|