virtualx-engine/editor/plugins/mesh_instance_editor_plugin.cpp
Jake Young 09bc9eb101
Backport NavigationServer with RVO2 to 3.x
Change the entire navigation system.
Remove editor prefix from nav mesh generator class. It is now used for baking
at runtime as well.
Navigation supports obstacle avoidance now with the RVO2 library.
Nav system will also automatically link all nav meshes together to form one
overall complete nav map.
2022-01-05 16:00:56 +01:00

532 lines
18 KiB
C++

/*************************************************************************/
/* mesh_instance_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "mesh_instance_editor_plugin.h"
#include "editor/editor_scale.h"
#include "scene/3d/collision_shape.h"
#include "scene/3d/navigation_mesh_instance.h"
#include "scene/3d/physics_body.h"
#include "scene/gui/box_container.h"
#include "spatial_editor_plugin.h"
void MeshInstanceEditor::_node_removed(Node *p_node) {
if (p_node == node) {
node = nullptr;
options->hide();
}
}
void MeshInstanceEditor::edit(MeshInstance *p_mesh) {
node = p_mesh;
}
void MeshInstanceEditor::_menu_option(int p_option) {
Ref<Mesh> mesh = node->get_mesh();
if (mesh.is_null()) {
err_dialog->set_text(TTR("Mesh is empty!"));
err_dialog->popup_centered_minsize();
return;
}
switch (p_option) {
case MENU_OPTION_CREATE_STATIC_TRIMESH_BODY: {
EditorSelection *editor_selection = EditorNode::get_singleton()->get_editor_selection();
UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
List<Node *> selection = editor_selection->get_selected_node_list();
if (selection.empty()) {
Ref<Shape> shape = mesh->create_trimesh_shape();
if (shape.is_null()) {
err_dialog->set_text(TTR("Couldn't create a Trimesh collision shape."));
err_dialog->popup_centered_minsize();
return;
}
CollisionShape *cshape = memnew(CollisionShape);
cshape->set_shape(shape);
StaticBody *body = memnew(StaticBody);
body->add_child(cshape);
Node *owner = node == get_tree()->get_edited_scene_root() ? node : node->get_owner();
ur->create_action(TTR("Create Static Trimesh Body"));
ur->add_do_method(node, "add_child", body);
ur->add_do_method(body, "set_owner", owner);
ur->add_do_method(cshape, "set_owner", owner);
ur->add_do_reference(body);
ur->add_undo_method(node, "remove_child", body);
ur->commit_action();
return;
}
ur->create_action(TTR("Create Static Trimesh Body"));
for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
MeshInstance *instance = Object::cast_to<MeshInstance>(E->get());
if (!instance) {
continue;
}
Ref<Mesh> m = instance->get_mesh();
if (m.is_null()) {
continue;
}
Ref<Shape> shape = m->create_trimesh_shape();
if (shape.is_null()) {
continue;
}
CollisionShape *cshape = memnew(CollisionShape);
cshape->set_shape(shape);
StaticBody *body = memnew(StaticBody);
body->add_child(cshape);
Node *owner = instance == get_tree()->get_edited_scene_root() ? instance : instance->get_owner();
ur->add_do_method(instance, "add_child", body);
ur->add_do_method(body, "set_owner", owner);
ur->add_do_method(cshape, "set_owner", owner);
ur->add_do_reference(body);
ur->add_undo_method(instance, "remove_child", body);
}
ur->commit_action();
} break;
case MENU_OPTION_CREATE_TRIMESH_COLLISION_SHAPE: {
if (node == get_tree()->get_edited_scene_root()) {
err_dialog->set_text(TTR("This doesn't work on scene root!"));
err_dialog->popup_centered_minsize();
return;
}
Ref<Shape> shape = mesh->create_trimesh_shape();
if (shape.is_null()) {
return;
}
CollisionShape *cshape = memnew(CollisionShape);
cshape->set_shape(shape);
cshape->set_transform(node->get_transform());
Node *owner = node->get_owner();
UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
ur->create_action(TTR("Create Trimesh Static Shape"));
ur->add_do_method(node->get_parent(), "add_child", cshape);
ur->add_do_method(node->get_parent(), "move_child", cshape, node->get_index() + 1);
ur->add_do_method(cshape, "set_owner", owner);
ur->add_do_reference(cshape);
ur->add_undo_method(node->get_parent(), "remove_child", cshape);
ur->commit_action();
} break;
case MENU_OPTION_CREATE_SINGLE_CONVEX_COLLISION_SHAPE:
case MENU_OPTION_CREATE_SIMPLIFIED_CONVEX_COLLISION_SHAPE: {
if (node == get_tree()->get_edited_scene_root()) {
err_dialog->set_text(TTR("Can't create a single convex collision shape for the scene root."));
err_dialog->popup_centered_minsize();
return;
}
bool simplify = (p_option == MENU_OPTION_CREATE_SIMPLIFIED_CONVEX_COLLISION_SHAPE);
Ref<Shape> shape = mesh->create_convex_shape(true, simplify);
if (shape.is_null()) {
err_dialog->set_text(TTR("Couldn't create a single convex collision shape."));
err_dialog->popup_centered_minsize();
return;
}
UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
if (simplify) {
ur->create_action(TTR("Create Simplified Convex Shape"));
} else {
ur->create_action(TTR("Create Single Convex Shape"));
}
CollisionShape *cshape = memnew(CollisionShape);
cshape->set_shape(shape);
cshape->set_transform(node->get_transform());
Node *owner = node->get_owner();
ur->add_do_method(node->get_parent(), "add_child", cshape);
ur->add_do_method(node->get_parent(), "move_child", cshape, node->get_index() + 1);
ur->add_do_method(cshape, "set_owner", owner);
ur->add_do_reference(cshape);
ur->add_undo_method(node->get_parent(), "remove_child", cshape);
ur->commit_action();
} break;
case MENU_OPTION_CREATE_MULTIPLE_CONVEX_COLLISION_SHAPES: {
if (node == get_tree()->get_edited_scene_root()) {
err_dialog->set_text(TTR("Can't create multiple convex collision shapes for the scene root."));
err_dialog->popup_centered_minsize();
return;
}
Vector<Ref<Shape>> shapes = mesh->convex_decompose();
if (!shapes.size()) {
err_dialog->set_text(TTR("Couldn't create any collision shapes."));
err_dialog->popup_centered_minsize();
return;
}
UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
ur->create_action(TTR("Create Multiple Convex Shapes"));
for (int i = 0; i < shapes.size(); i++) {
CollisionShape *cshape = memnew(CollisionShape);
cshape->set_shape(shapes[i]);
cshape->set_transform(node->get_transform());
Node *owner = node->get_owner();
ur->add_do_method(node->get_parent(), "add_child", cshape);
ur->add_do_method(node->get_parent(), "move_child", cshape, node->get_index() + 1);
ur->add_do_method(cshape, "set_owner", owner);
ur->add_do_reference(cshape);
ur->add_undo_method(node->get_parent(), "remove_child", cshape);
}
ur->commit_action();
} break;
case MENU_OPTION_CREATE_NAVMESH: {
Ref<NavigationMesh> nmesh = memnew(NavigationMesh);
if (nmesh.is_null()) {
return;
}
nmesh->create_from_mesh(mesh);
NavigationMeshInstance *nmi = memnew(NavigationMeshInstance);
nmi->set_navigation_mesh(nmesh);
Node *owner = node == get_tree()->get_edited_scene_root() ? node : node->get_owner();
UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
ur->create_action(TTR("Create Navigation Mesh"));
ur->add_do_method(node, "add_child", nmi);
ur->add_do_method(nmi, "set_owner", owner);
ur->add_do_reference(nmi);
ur->add_undo_method(node, "remove_child", nmi);
ur->commit_action();
} break;
case MENU_OPTION_CREATE_OUTLINE_MESH: {
outline_dialog->popup_centered(Vector2(200, 90));
} break;
case MENU_OPTION_CREATE_UV2: {
Ref<ArrayMesh> mesh2 = node->get_mesh();
if (!mesh2.is_valid()) {
err_dialog->set_text(TTR("Contained Mesh is not of type ArrayMesh."));
err_dialog->popup_centered_minsize();
return;
}
Error err = mesh2->lightmap_unwrap(node->get_global_transform());
if (err != OK) {
err_dialog->set_text(TTR("UV Unwrap failed, mesh may not be manifold?"));
err_dialog->popup_centered_minsize();
return;
}
} break;
case MENU_OPTION_DEBUG_UV1: {
Ref<Mesh> mesh2 = node->get_mesh();
if (!mesh2.is_valid()) {
err_dialog->set_text(TTR("No mesh to debug."));
err_dialog->popup_centered_minsize();
return;
}
_create_uv_lines(0);
} break;
case MENU_OPTION_DEBUG_UV2: {
Ref<Mesh> mesh2 = node->get_mesh();
if (!mesh2.is_valid()) {
err_dialog->set_text(TTR("No mesh to debug."));
err_dialog->popup_centered_minsize();
return;
}
_create_uv_lines(1);
} break;
}
}
struct MeshInstanceEditorEdgeSort {
Vector2 a;
Vector2 b;
bool operator<(const MeshInstanceEditorEdgeSort &p_b) const {
if (a == p_b.a) {
return b < p_b.b;
} else {
return a < p_b.a;
}
}
MeshInstanceEditorEdgeSort() {}
MeshInstanceEditorEdgeSort(const Vector2 &p_a, const Vector2 &p_b) {
if (p_a < p_b) {
a = p_a;
b = p_b;
} else {
b = p_a;
a = p_b;
}
}
};
void MeshInstanceEditor::_create_uv_lines(int p_layer) {
Ref<Mesh> mesh = node->get_mesh();
ERR_FAIL_COND(!mesh.is_valid());
Set<MeshInstanceEditorEdgeSort> edges;
uv_lines.clear();
for (int i = 0; i < mesh->get_surface_count(); i++) {
if (mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES) {
continue;
}
Array a = mesh->surface_get_arrays(i);
PoolVector<Vector2> uv = a[p_layer == 0 ? Mesh::ARRAY_TEX_UV : Mesh::ARRAY_TEX_UV2];
if (uv.size() == 0) {
err_dialog->set_text(vformat(TTR("Mesh has no UV in layer %d."), p_layer + 1));
err_dialog->popup_centered_minsize();
return;
}
PoolVector<Vector2>::Read r = uv.read();
PoolVector<int> indices = a[Mesh::ARRAY_INDEX];
PoolVector<int>::Read ri;
int ic;
bool use_indices;
if (indices.size()) {
ic = indices.size();
ri = indices.read();
use_indices = true;
} else {
ic = uv.size();
use_indices = false;
}
for (int j = 0; j < ic; j += 3) {
for (int k = 0; k < 3; k++) {
MeshInstanceEditorEdgeSort edge;
if (use_indices) {
edge.a = r[ri[j + k]];
edge.b = r[ri[j + ((k + 1) % 3)]];
} else {
edge.a = r[j + k];
edge.b = r[j + ((k + 1) % 3)];
}
if (edges.has(edge)) {
continue;
}
uv_lines.push_back(edge.a);
uv_lines.push_back(edge.b);
edges.insert(edge);
}
}
}
debug_uv_dialog->popup_centered_minsize();
}
void MeshInstanceEditor::_debug_uv_draw() {
if (uv_lines.size() == 0) {
return;
}
debug_uv->set_clip_contents(true);
debug_uv->draw_rect(Rect2(Vector2(), debug_uv->get_size()), get_color("dark_color_3", "Editor"));
debug_uv->draw_set_transform(Vector2(), 0, debug_uv->get_size());
// Use a translucent color to allow overlapping triangles to be visible.
debug_uv->draw_multiline(uv_lines, get_color("mono_color", "Editor") * Color(1, 1, 1, 0.5), Math::round(EDSCALE));
}
void MeshInstanceEditor::_create_outline_mesh() {
Ref<Mesh> mesh = node->get_mesh();
if (mesh.is_null()) {
err_dialog->set_text(TTR("MeshInstance lacks a Mesh!"));
err_dialog->popup_centered_minsize();
return;
}
if (mesh->get_surface_count() == 0) {
err_dialog->set_text(TTR("Mesh has not surface to create outlines from!"));
err_dialog->popup_centered_minsize();
return;
} else if (mesh->get_surface_count() == 1 && mesh->surface_get_primitive_type(0) != Mesh::PRIMITIVE_TRIANGLES) {
err_dialog->set_text(TTR("Mesh primitive type is not PRIMITIVE_TRIANGLES!"));
err_dialog->popup_centered_minsize();
return;
}
Ref<Mesh> mesho = mesh->create_outline(outline_size->get_value());
if (mesho.is_null()) {
err_dialog->set_text(TTR("Could not create outline!"));
err_dialog->popup_centered_minsize();
return;
}
MeshInstance *mi = memnew(MeshInstance);
mi->set_mesh(mesho);
Node *owner = node->get_owner();
if (get_tree()->get_edited_scene_root() == node) {
owner = node;
}
UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
ur->create_action(TTR("Create Outline"));
ur->add_do_method(node, "add_child", mi);
ur->add_do_method(mi, "set_owner", owner);
ur->add_do_reference(mi);
ur->add_undo_method(node, "remove_child", mi);
ur->commit_action();
}
void MeshInstanceEditor::_bind_methods() {
ClassDB::bind_method("_menu_option", &MeshInstanceEditor::_menu_option);
ClassDB::bind_method("_create_outline_mesh", &MeshInstanceEditor::_create_outline_mesh);
ClassDB::bind_method("_debug_uv_draw", &MeshInstanceEditor::_debug_uv_draw);
}
MeshInstanceEditor::MeshInstanceEditor() {
options = memnew(MenuButton);
options->set_switch_on_hover(true);
SpatialEditor::get_singleton()->add_control_to_menu_panel(options);
options->set_text(TTR("Mesh"));
options->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("MeshInstance", "EditorIcons"));
options->get_popup()->add_item(TTR("Create Trimesh Static Body"), MENU_OPTION_CREATE_STATIC_TRIMESH_BODY);
options->get_popup()->set_item_tooltip(options->get_popup()->get_item_count() - 1, TTR("Creates a StaticBody and assigns a polygon-based collision shape to it automatically.\nThis is the most accurate (but slowest) option for collision detection."));
options->get_popup()->add_separator();
options->get_popup()->add_item(TTR("Create Trimesh Collision Sibling"), MENU_OPTION_CREATE_TRIMESH_COLLISION_SHAPE);
options->get_popup()->set_item_tooltip(options->get_popup()->get_item_count() - 1, TTR("Creates a polygon-based collision shape.\nThis is the most accurate (but slowest) option for collision detection."));
options->get_popup()->add_item(TTR("Create Single Convex Collision Sibling"), MENU_OPTION_CREATE_SINGLE_CONVEX_COLLISION_SHAPE);
options->get_popup()->set_item_tooltip(options->get_popup()->get_item_count() - 1, TTR("Creates a single convex collision shape.\nThis is the fastest (but least accurate) option for collision detection."));
options->get_popup()->add_item(TTR("Create Simplified Convex Collision Sibling"), MENU_OPTION_CREATE_SIMPLIFIED_CONVEX_COLLISION_SHAPE);
options->get_popup()->set_item_tooltip(options->get_popup()->get_item_count() - 1, TTR("Creates a simplified convex collision shape.\nThis is similar to single collision shape, but can result in a simpler geometry in some cases, at the cost of accuracy."));
options->get_popup()->add_item(TTR("Create Multiple Convex Collision Siblings"), MENU_OPTION_CREATE_MULTIPLE_CONVEX_COLLISION_SHAPES);
options->get_popup()->set_item_tooltip(options->get_popup()->get_item_count() - 1, TTR("Creates a polygon-based collision shape.\nThis is a performance middle-ground between a single convex collision and a polygon-based collision."));
options->get_popup()->add_separator();
options->get_popup()->add_item(TTR("Create Navigation Mesh"), MENU_OPTION_CREATE_NAVMESH);
options->get_popup()->add_separator();
options->get_popup()->add_item(TTR("Create Outline Mesh..."), MENU_OPTION_CREATE_OUTLINE_MESH);
options->get_popup()->set_item_tooltip(options->get_popup()->get_item_count() - 1, TTR("Creates a static outline mesh. The outline mesh will have its normals flipped automatically.\nThis can be used instead of the SpatialMaterial Grow property when using that property isn't possible."));
options->get_popup()->add_separator();
options->get_popup()->add_item(TTR("View UV1"), MENU_OPTION_DEBUG_UV1);
options->get_popup()->add_item(TTR("View UV2"), MENU_OPTION_DEBUG_UV2);
options->get_popup()->add_item(TTR("Unwrap UV2 for Lightmap/AO"), MENU_OPTION_CREATE_UV2);
options->get_popup()->connect("id_pressed", this, "_menu_option");
outline_dialog = memnew(ConfirmationDialog);
outline_dialog->set_title(TTR("Create Outline Mesh"));
outline_dialog->get_ok()->set_text(TTR("Create"));
VBoxContainer *outline_dialog_vbc = memnew(VBoxContainer);
outline_dialog->add_child(outline_dialog_vbc);
//outline_dialog->set_child_rect(outline_dialog_vbc);
outline_size = memnew(SpinBox);
outline_size->set_min(0.001);
outline_size->set_max(1024);
outline_size->set_step(0.001);
outline_size->set_value(0.05);
outline_dialog_vbc->add_margin_child(TTR("Outline Size:"), outline_size);
add_child(outline_dialog);
outline_dialog->connect("confirmed", this, "_create_outline_mesh");
err_dialog = memnew(AcceptDialog);
add_child(err_dialog);
debug_uv_dialog = memnew(AcceptDialog);
debug_uv_dialog->set_title(TTR("UV Channel Debug"));
add_child(debug_uv_dialog);
debug_uv = memnew(Control);
debug_uv->set_custom_minimum_size(Size2(600, 600) * EDSCALE);
debug_uv->connect("draw", this, "_debug_uv_draw");
debug_uv_dialog->add_child(debug_uv);
}
void MeshInstanceEditorPlugin::edit(Object *p_object) {
mesh_editor->edit(Object::cast_to<MeshInstance>(p_object));
}
bool MeshInstanceEditorPlugin::handles(Object *p_object) const {
return p_object->is_class("MeshInstance");
}
void MeshInstanceEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
mesh_editor->options->show();
} else {
mesh_editor->options->hide();
mesh_editor->edit(nullptr);
}
}
MeshInstanceEditorPlugin::MeshInstanceEditorPlugin(EditorNode *p_node) {
editor = p_node;
mesh_editor = memnew(MeshInstanceEditor);
editor->get_viewport()->add_child(mesh_editor);
mesh_editor->options->hide();
}
MeshInstanceEditorPlugin::~MeshInstanceEditorPlugin() {
}