godot/editor/plugins/skeleton_editor_plugin.cpp
PouleyKetchoupp f0fdd7de80 Fixed error when creating physical skeleton
An error was systematically triggered on the root bone, when trying to access its parent (the return value wasn't used in this case anyway).

Fixes #23920
2019-11-30 20:27:12 +01:00

195 lines
6.8 KiB
C++

/*************************************************************************/
/* skeleton_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
/* */
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#include "skeleton_editor_plugin.h"
#include "scene/3d/collision_shape.h"
#include "scene/3d/physics_body.h"
#include "scene/3d/physics_joint.h"
#include "scene/resources/capsule_shape.h"
#include "scene/resources/sphere_shape.h"
#include "spatial_editor_plugin.h"
void SkeletonEditor::_on_click_option(int p_option) {
if (!skeleton) {
return;
}
switch (p_option) {
case MENU_OPTION_CREATE_PHYSICAL_SKELETON: {
create_physical_skeleton();
} break;
}
}
void SkeletonEditor::create_physical_skeleton() {
UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
Node *owner = skeleton == get_tree()->get_edited_scene_root() ? skeleton : skeleton->get_owner();
const int bc = skeleton->get_bone_count();
if (!bc) {
return;
}
Vector<BoneInfo> bones_infos;
bones_infos.resize(bc);
for (int bone_id = 0; bc > bone_id; ++bone_id) {
const int parent = skeleton->get_bone_parent(bone_id);
if (parent < 0) {
bones_infos.write[bone_id].relative_rest = skeleton->get_bone_rest(bone_id);
} else {
const int parent_parent = skeleton->get_bone_parent(parent);
bones_infos.write[bone_id].relative_rest = bones_infos[parent].relative_rest * skeleton->get_bone_rest(bone_id);
/// create physical bone on parent
if (!bones_infos[parent].physical_bone) {
bones_infos.write[parent].physical_bone = create_physical_bone(parent, bone_id, bones_infos);
ur->create_action(TTR("Create physical bones"));
ur->add_do_method(skeleton, "add_child", bones_infos[parent].physical_bone);
ur->add_do_reference(bones_infos[parent].physical_bone);
ur->add_undo_method(skeleton, "remove_child", bones_infos[parent].physical_bone);
ur->commit_action();
bones_infos[parent].physical_bone->set_bone_name(skeleton->get_bone_name(parent));
bones_infos[parent].physical_bone->set_owner(owner);
bones_infos[parent].physical_bone->get_child(0)->set_owner(owner); // set shape owner
/// Create joint between parent of parent
if (-1 != parent_parent) {
bones_infos[parent].physical_bone->set_joint_type(PhysicalBone::JOINT_TYPE_PIN);
}
}
}
}
}
PhysicalBone *SkeletonEditor::create_physical_bone(int bone_id, int bone_child_id, const Vector<BoneInfo> &bones_infos) {
real_t half_height(skeleton->get_bone_rest(bone_child_id).origin.length() * 0.5);
real_t radius(half_height * 0.2);
CapsuleShape *bone_shape_capsule = memnew(CapsuleShape);
bone_shape_capsule->set_height((half_height - radius) * 2);
bone_shape_capsule->set_radius(radius);
CollisionShape *bone_shape = memnew(CollisionShape);
bone_shape->set_shape(bone_shape_capsule);
Transform body_transform;
body_transform.origin = Vector3(0, 0, -half_height);
Transform joint_transform;
joint_transform.origin = Vector3(0, 0, half_height);
PhysicalBone *physical_bone = memnew(PhysicalBone);
physical_bone->add_child(bone_shape);
physical_bone->set_name("Physical Bone " + skeleton->get_bone_name(bone_id));
physical_bone->set_body_offset(body_transform);
physical_bone->set_joint_offset(joint_transform);
return physical_bone;
}
void SkeletonEditor::edit(Skeleton *p_node) {
skeleton = p_node;
}
void SkeletonEditor::_notification(int p_what) {
if (p_what == NOTIFICATION_ENTER_TREE) {
get_tree()->connect("node_removed", this, "_node_removed");
}
}
void SkeletonEditor::_node_removed(Node *p_node) {
if (p_node == skeleton) {
skeleton = NULL;
options->hide();
}
}
void SkeletonEditor::_bind_methods() {
ClassDB::bind_method("_on_click_option", &SkeletonEditor::_on_click_option);
ClassDB::bind_method("_node_removed", &SkeletonEditor::_node_removed);
}
SkeletonEditor::SkeletonEditor() {
skeleton = NULL;
options = memnew(MenuButton);
SpatialEditor::get_singleton()->add_control_to_menu_panel(options);
options->set_text(TTR("Skeleton"));
options->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("Skeleton", "EditorIcons"));
options->get_popup()->add_item(TTR("Create physical skeleton"), MENU_OPTION_CREATE_PHYSICAL_SKELETON);
options->get_popup()->connect("id_pressed", this, "_on_click_option");
options->hide();
}
SkeletonEditor::~SkeletonEditor() {}
void SkeletonEditorPlugin::edit(Object *p_object) {
skeleton_editor->edit(Object::cast_to<Skeleton>(p_object));
}
bool SkeletonEditorPlugin::handles(Object *p_object) const {
return p_object->is_class("Skeleton");
}
void SkeletonEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
skeleton_editor->options->show();
} else {
skeleton_editor->options->hide();
skeleton_editor->edit(NULL);
}
}
SkeletonEditorPlugin::SkeletonEditorPlugin(EditorNode *p_node) {
editor = p_node;
skeleton_editor = memnew(SkeletonEditor);
editor->get_viewport()->add_child(skeleton_editor);
}
SkeletonEditorPlugin::~SkeletonEditorPlugin() {}