795 lines
20 KiB
C++
795 lines
20 KiB
C++
/*************************************************************************/
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/* spatial.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "spatial.h"
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#include "scene/main/viewport.h"
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#include "message_queue.h"
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#include "scene/scene_string_names.h"
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/*
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possible algorithms:
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Algorithm 1: (current)
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definition of invalidation: global is invalid
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1) If a node sets a LOCAL, it produces an invalidation of everything above
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a) If above is invalid, don't keep invalidating upwards
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2) If a node sets a GLOBAL, it is converted to LOCAL (and forces validation of everything pending below)
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drawback: setting/reading globals is useful and used very very often, and using affine inverses is slow
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---
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Algorithm 2: (no longer current)
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definition of invalidation: NONE dirty, LOCAL dirty, GLOBAL dirty
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1) If a node sets a LOCAL, it must climb the tree and set it as GLOBAL dirty
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a) marking GLOBALs as dirty up all the tree must be done always
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2) If a node sets a GLOBAL, it marks local as dirty, and that's all?
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//is clearing the dirty state correct in this case?
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drawback: setting a local down the tree forces many tree walks often
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--
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future: no idea
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*/
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SpatialGizmo::SpatialGizmo() {
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}
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void Spatial::_notify_dirty() {
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if (!data.ignore_notification && !xform_change.in_list()) {
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get_tree()->xform_change_list.add(&xform_change);
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}
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}
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void Spatial::_update_local_transform() const {
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data.local_transform.basis.set_euler(data.rotation);
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data.local_transform.basis.scale(data.scale);
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data.dirty&=~DIRTY_LOCAL;
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}
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void Spatial::_propagate_transform_changed(Spatial *p_origin) {
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if (!is_inside_tree()) {
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return;
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}
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// if (data.dirty&DIRTY_GLOBAL)
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// return; //already dirty
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data.children_lock++;
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for (List<Spatial*>::Element *E=data.children.front();E;E=E->next()) {
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if (E->get()->data.toplevel_active)
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continue; //don't propagate to a toplevel
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E->get()->_propagate_transform_changed(p_origin);
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}
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if (!data.ignore_notification && !xform_change.in_list()) {
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get_tree()->xform_change_list.add(&xform_change);
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}
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data.dirty|=DIRTY_GLOBAL;
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data.children_lock--;
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}
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void Spatial::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_ENTER_TREE: {
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Node *p = get_parent();
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if (p)
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data.parent=p->cast_to<Spatial>();
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if (data.parent)
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data.C=data.parent->data.children.push_back(this);
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else
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data.C=NULL;
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if (data.toplevel && !get_tree()->is_editor_hint()) {
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if (data.parent) {
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data.local_transform = data.parent->get_global_transform() * get_transform();
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data.dirty=DIRTY_VECTORS; //global is always dirty upon entering a scene
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}
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data.toplevel_active=true;
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}
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data.dirty|=DIRTY_GLOBAL; //global is always dirty upon entering a scene
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_notify_dirty();
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notification(NOTIFICATION_ENTER_WORLD);
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} break;
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case NOTIFICATION_EXIT_TREE: {
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notification(NOTIFICATION_EXIT_WORLD,true);
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if (xform_change.in_list())
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get_tree()->xform_change_list.remove(&xform_change);
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if (data.C)
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data.parent->data.children.erase(data.C);
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data.parent=NULL;
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data.C=NULL;
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data.toplevel_active=false;
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} break;
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case NOTIFICATION_ENTER_WORLD: {
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data.inside_world=true;
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data.viewport=NULL;
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Node *parent = get_parent();
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while(parent && !data.viewport) {
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data.viewport=parent->cast_to<Viewport>();
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parent=parent->get_parent();
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}
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ERR_FAIL_COND(!data.viewport);
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if (get_script_instance()) {
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Variant::CallError err;
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get_script_instance()->call_multilevel(SceneStringNames::get_singleton()->_enter_world,NULL,0);
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}
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#ifdef TOOLS_ENABLED
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if (get_tree()->is_editor_hint()) {
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// get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,SceneStringNames::get_singleton()->_spatial_editor_group,SceneStringNames::get_singleton()->_request_gizmo,this);
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get_tree()->call_group(0,SceneStringNames::get_singleton()->_spatial_editor_group,SceneStringNames::get_singleton()->_request_gizmo,this);
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if (!data.gizmo_disabled) {
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if (data.gizmo.is_valid())
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data.gizmo->create();
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}
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}
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#endif
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} break;
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case NOTIFICATION_EXIT_WORLD: {
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#ifdef TOOLS_ENABLED
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if (data.gizmo.is_valid()) {
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data.gizmo->free();
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}
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#endif
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if (get_script_instance()) {
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Variant::CallError err;
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get_script_instance()->call_multilevel(SceneStringNames::get_singleton()->_exit_world,NULL,0);
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}
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data.viewport=NULL;
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data.inside_world=false;
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} break;
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case NOTIFICATION_TRANSFORM_CHANGED: {
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#ifdef TOOLS_ENABLED
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if (data.gizmo.is_valid()) {
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data.gizmo->transform();
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}
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#endif
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} break;
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default: {}
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}
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}
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void Spatial::set_transform(const Transform& p_transform) {
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data.local_transform=p_transform;
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data.dirty|=DIRTY_VECTORS;
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_change_notify("transform/translation");
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_change_notify("transform/rotation");
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_change_notify("transform/scale");
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_propagate_transform_changed(this);
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}
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void Spatial::set_global_transform(const Transform& p_transform) {
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Transform xform =
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(data.parent && !data.toplevel_active) ?
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data.parent->get_global_transform().affine_inverse() * p_transform :
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p_transform;
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set_transform(xform);
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}
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Transform Spatial::get_transform() const {
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if (data.dirty & DIRTY_LOCAL) {
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_update_local_transform();
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}
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return data.local_transform;
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}
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Transform Spatial::get_global_transform() const {
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ERR_FAIL_COND_V(!is_inside_tree(), Transform());
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if (data.dirty & DIRTY_GLOBAL) {
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if (data.dirty & DIRTY_LOCAL) {
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_update_local_transform();
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}
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if (data.parent && !data.toplevel_active) {
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data.global_transform=data.parent->get_global_transform() * data.local_transform;
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} else {
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data.global_transform=data.local_transform;
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}
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data.dirty&=~DIRTY_GLOBAL;
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}
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return data.global_transform;
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}
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#if 0
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void Spatial::add_child_notify(Node *p_child) {
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/*
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Spatial *s=p_child->cast_to<Spatial>();
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if (!s)
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return;
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ERR_FAIL_COND(data.children_lock>0);
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s->data.dirty=DIRTY_GLOBAL; // don't allow global transform to be valid
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s->data.parent=this;
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data.children.push_back(s);
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s->data.C=data.children.back();
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*/
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}
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void Spatial::remove_child_notify(Node *p_child) {
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/*
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Spatial *s=p_child->cast_to<Spatial>();
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if (!s)
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return;
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ERR_FAIL_COND(data.children_lock>0);
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if (s->data.C)
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data.children.erase(s->data.C);
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s->data.parent=NULL;
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s->data.C=NULL;
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*/
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}
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#endif
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Spatial *Spatial::get_parent_spatial() const {
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return data.parent;
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}
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Transform Spatial::get_relative_transform(const Node *p_parent) const {
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if (p_parent==this)
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return Transform();
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ERR_FAIL_COND_V(!data.parent,Transform());
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if (p_parent==data.parent)
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return get_transform();
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else
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return data.parent->get_relative_transform(p_parent) * get_transform();
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}
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void Spatial::set_translation(const Vector3& p_translation) {
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data.local_transform.origin=p_translation;
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_propagate_transform_changed(this);
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}
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void Spatial::set_rotation(const Vector3& p_euler){
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if (data.dirty&DIRTY_VECTORS) {
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data.scale=data.local_transform.basis.get_scale();
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data.dirty&=~DIRTY_VECTORS;
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}
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data.rotation=p_euler;
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data.dirty|=DIRTY_LOCAL;
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_propagate_transform_changed(this);
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}
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void Spatial::set_scale(const Vector3& p_scale){
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if (data.dirty&DIRTY_VECTORS) {
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data.rotation=data.local_transform.basis.get_euler();
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data.dirty&=~DIRTY_VECTORS;
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}
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data.scale=p_scale;
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data.dirty|=DIRTY_LOCAL;
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_propagate_transform_changed(this);
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}
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Vector3 Spatial::get_translation() const{
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return data.local_transform.origin;
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}
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Vector3 Spatial::get_rotation() const{
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if (data.dirty&DIRTY_VECTORS) {
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data.scale=data.local_transform.basis.get_scale();
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data.rotation=data.local_transform.basis.get_euler();
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data.dirty&=~DIRTY_VECTORS;
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}
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return data.rotation;
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}
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Vector3 Spatial::get_scale() const{
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if (data.dirty&DIRTY_VECTORS) {
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data.scale=data.local_transform.basis.get_scale();
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data.rotation=data.local_transform.basis.get_euler();
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data.dirty&=~DIRTY_VECTORS;
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}
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return data.scale;
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}
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void Spatial::update_gizmo() {
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#ifdef TOOLS_ENABLED
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if (!is_inside_world())
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return;
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if (!data.gizmo.is_valid())
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return;
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if (data.gizmo_dirty)
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return;
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data.gizmo_dirty=true;
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MessageQueue::get_singleton()->push_call(this,"_update_gizmo");
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#endif
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}
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void Spatial::set_gizmo(const Ref<SpatialGizmo>& p_gizmo) {
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#ifdef TOOLS_ENABLED
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if (data.gizmo_disabled)
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return;
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if (data.gizmo.is_valid() && is_inside_world())
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data.gizmo->free();
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data.gizmo=p_gizmo;
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if (data.gizmo.is_valid() && is_inside_world()) {
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data.gizmo->create();
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data.gizmo->redraw();
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data.gizmo->transform();
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}
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#endif
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}
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Ref<SpatialGizmo> Spatial::get_gizmo() const {
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#ifdef TOOLS_ENABLED
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return data.gizmo;
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#else
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return Ref<SpatialGizmo>();
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#endif
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}
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#ifdef TOOLS_ENABLED
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void Spatial::_update_gizmo() {
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data.gizmo_dirty=false;
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if (data.gizmo.is_valid()) {
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if (is_visible())
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data.gizmo->redraw();
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else
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data.gizmo->clear();
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}
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}
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void Spatial::set_disable_gizmo(bool p_enabled) {
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data.gizmo_disabled=p_enabled;
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if (!p_enabled && data.gizmo.is_valid())
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data.gizmo=Ref<SpatialGizmo>();
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}
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#endif
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void Spatial::set_as_toplevel(bool p_enabled) {
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if (data.toplevel==p_enabled)
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return;
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if (is_inside_tree() && !get_tree()->is_editor_hint()) {
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if (p_enabled)
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set_transform(get_global_transform());
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else if (data.parent)
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set_transform(data.parent->get_global_transform().affine_inverse() * get_global_transform());
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data.toplevel=p_enabled;
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data.toplevel_active=p_enabled;
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} else {
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data.toplevel=p_enabled;
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}
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}
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bool Spatial::is_set_as_toplevel() const{
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return data.toplevel;
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}
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void Spatial::_set_rotation_deg(const Vector3& p_deg) {
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set_rotation(p_deg * Math_PI / 180.0);
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}
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Vector3 Spatial::_get_rotation_deg() const {
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return get_rotation() * 180.0 / Math_PI;
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}
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Ref<World> Spatial::get_world() const {
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ERR_FAIL_COND_V(!is_inside_world(),Ref<World>());
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return data.viewport->find_world();
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}
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#ifdef TOOLS_ENABLED
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void Spatial::set_import_transform(const Transform& p_transform) {
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data.import_transform=p_transform;
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}
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Transform Spatial::get_import_transform() const {
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return data.import_transform;
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}
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#endif
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void Spatial::_propagate_visibility_changed() {
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notification(NOTIFICATION_VISIBILITY_CHANGED);
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emit_signal(SceneStringNames::get_singleton()->visibility_changed);
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_change_notify("visibility/visible");
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#ifdef TOOLS_ENABLED
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if (data.gizmo.is_valid())
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_update_gizmo();
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#endif
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for (List<Spatial*>::Element*E=data.children.front();E;E=E->next()) {
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Spatial *c=E->get();
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if (!c || !c->data.visible)
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continue;
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c->_propagate_visibility_changed();
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}
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}
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void Spatial::show() {
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if (data.visible)
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return;
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data.visible=true;
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if (!is_inside_tree())
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return;
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if (!data.parent || is_visible()) {
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_propagate_visibility_changed();
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}
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}
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void Spatial::hide(){
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if (!data.visible)
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return;
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bool was_visible = is_visible();
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data.visible=false;
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if (!data.parent || was_visible) {
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_propagate_visibility_changed();
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}
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}
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bool Spatial::is_visible() const{
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const Spatial *s=this;
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while(s) {
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if (!s->data.visible) {
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return false;
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}
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s=s->data.parent;
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}
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return true;
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}
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bool Spatial::is_hidden() const{
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return !data.visible;
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}
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void Spatial::_set_visible_(bool p_visible) {
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if (p_visible)
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show();
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else
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hide();
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}
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bool Spatial::_is_visible_() const {
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return !is_hidden();
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}
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void Spatial::rotate(const Vector3& p_normal,float p_radians) {
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Transform t =get_transform();
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t.basis.rotate(p_normal,p_radians);
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set_transform(t);
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}
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void Spatial::rotate_x(float p_radians) {
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Transform t =get_transform();
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t.basis.rotate(Vector3(1,0,0),p_radians);
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set_transform(t);
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}
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void Spatial::rotate_y(float p_radians){
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Transform t =get_transform();
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t.basis.rotate(Vector3(0,1,0),p_radians);
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set_transform(t);
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}
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void Spatial::rotate_z(float p_radians){
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Transform t =get_transform();
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t.basis.rotate(Vector3(0,0,1),p_radians);
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set_transform(t);
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}
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void Spatial::translate(const Vector3& p_offset){
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Transform t =get_transform();
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t.origin+=p_offset;
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set_transform(t);
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}
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void Spatial::scale(const Vector3& p_ratio){
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Transform t =get_transform();
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t.basis.scale(p_ratio);
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set_transform(t);
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}
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void Spatial::global_rotate(const Vector3& p_normal,float p_radians){
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Matrix3 rotation(p_normal,p_radians);
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Transform t = get_global_transform();
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t.basis= rotation * t.basis;
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set_global_transform(t);
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}
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void Spatial::global_translate(const Vector3& p_offset){
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Transform t = get_global_transform();
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t.origin+=p_offset;
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set_global_transform(t);
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}
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void Spatial::orthonormalize() {
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Transform t = get_transform();
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t.orthonormalize();
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set_transform(t);
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}
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void Spatial::set_identity() {
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set_transform(Transform());
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}
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void Spatial::look_at(const Vector3& p_target, const Vector3& p_up_normal) {
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Transform lookat;
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lookat.origin=get_global_transform().origin;
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lookat=lookat.looking_at(p_target,p_up_normal);
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set_global_transform(lookat);
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}
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void Spatial::look_at_from_pos(const Vector3& p_pos,const Vector3& p_target, const Vector3& p_up_normal) {
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Transform lookat;
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lookat.origin=p_pos;
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lookat=lookat.looking_at(p_target,p_up_normal);
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set_global_transform(lookat);
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}
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void Spatial::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("set_transform","local"), &Spatial::set_transform);
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ObjectTypeDB::bind_method(_MD("get_transform"), &Spatial::get_transform);
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ObjectTypeDB::bind_method(_MD("set_translation","translation"), &Spatial::set_translation);
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ObjectTypeDB::bind_method(_MD("get_translation"), &Spatial::get_translation);
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ObjectTypeDB::bind_method(_MD("set_rotation","rotation"), &Spatial::set_rotation);
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ObjectTypeDB::bind_method(_MD("get_rotation"), &Spatial::get_rotation);
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ObjectTypeDB::bind_method(_MD("set_scale","scale"), &Spatial::set_scale);
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ObjectTypeDB::bind_method(_MD("get_scale"), &Spatial::get_scale);
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ObjectTypeDB::bind_method(_MD("set_global_transform","global"), &Spatial::set_global_transform);
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ObjectTypeDB::bind_method(_MD("get_global_transform"), &Spatial::get_global_transform);
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ObjectTypeDB::bind_method(_MD("get_parent_spatial"), &Spatial::get_parent_spatial);
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ObjectTypeDB::bind_method(_MD("set_ignore_transform_notification","enabled"), &Spatial::set_ignore_transform_notification);
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ObjectTypeDB::bind_method(_MD("set_as_toplevel","enable"), &Spatial::set_as_toplevel);
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ObjectTypeDB::bind_method(_MD("is_set_as_toplevel"), &Spatial::is_set_as_toplevel);
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|
ObjectTypeDB::bind_method(_MD("_set_rotation_deg","rotation_deg"), &Spatial::_set_rotation_deg);
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|
ObjectTypeDB::bind_method(_MD("_get_rotation_deg"), &Spatial::_get_rotation_deg);
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|
ObjectTypeDB::bind_method(_MD("get_world:World"), &Spatial::get_world);
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|
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|
#ifdef TOOLS_ENABLED
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ObjectTypeDB::bind_method(_MD("_update_gizmo"), &Spatial::_update_gizmo);
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|
ObjectTypeDB::bind_method(_MD("_set_import_transform"), &Spatial::set_import_transform);
|
|
ObjectTypeDB::bind_method(_MD("_get_import_transform"), &Spatial::get_import_transform);
|
|
ADD_PROPERTY( PropertyInfo(Variant::TRANSFORM,"_import_transform",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_import_transform"),_SCS("_get_import_transform"));
|
|
#endif
|
|
|
|
ObjectTypeDB::bind_method(_MD("update_gizmo"), &Spatial::update_gizmo);
|
|
ObjectTypeDB::bind_method(_MD("set_gizmo","gizmo:SpatialGizmo"), &Spatial::set_gizmo);
|
|
ObjectTypeDB::bind_method(_MD("get_gizmo:SpatialGizmo"), &Spatial::get_gizmo);
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|
|
|
ObjectTypeDB::bind_method(_MD("show"), &Spatial::show);
|
|
ObjectTypeDB::bind_method(_MD("hide"), &Spatial::hide);
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|
ObjectTypeDB::bind_method(_MD("is_visible"), &Spatial::is_visible);
|
|
ObjectTypeDB::bind_method(_MD("is_hidden"), &Spatial::is_hidden);
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|
|
|
ObjectTypeDB::bind_method(_MD("_set_visible_"), &Spatial::_set_visible_);
|
|
ObjectTypeDB::bind_method(_MD("_is_visible_"), &Spatial::_is_visible_);
|
|
|
|
void rotate(const Vector3& p_normal,float p_radians);
|
|
void rotate_x(float p_radians);
|
|
void rotate_y(float p_radians);
|
|
void rotate_z(float p_radians);
|
|
void translate(const Vector3& p_offset);
|
|
void scale(const Vector3& p_ratio);
|
|
void global_rotate(const Vector3& p_normal,float p_radians);
|
|
void global_translate(const Vector3& p_offset);
|
|
|
|
ObjectTypeDB::bind_method( _MD("rotate","normal","radians"),&Spatial::rotate );
|
|
ObjectTypeDB::bind_method( _MD("global_rotate","normal","radians"),&Spatial::global_rotate );
|
|
ObjectTypeDB::bind_method( _MD("rotate_x","radians"),&Spatial::rotate_x );
|
|
ObjectTypeDB::bind_method( _MD("rotate_y","radians"),&Spatial::rotate_y );
|
|
ObjectTypeDB::bind_method( _MD("rotate_z","radians"),&Spatial::rotate_z );
|
|
ObjectTypeDB::bind_method( _MD("translate","offset"),&Spatial::translate );
|
|
ObjectTypeDB::bind_method( _MD("global_translate","offset"),&Spatial::global_translate );
|
|
ObjectTypeDB::bind_method( _MD("orthonormalize"),&Spatial::orthonormalize );
|
|
ObjectTypeDB::bind_method( _MD("set_identity"),&Spatial::set_identity );
|
|
|
|
ObjectTypeDB::bind_method( _MD("look_at","target","up"),&Spatial::look_at );
|
|
ObjectTypeDB::bind_method( _MD("look_at_from_pos","pos","target","up"),&Spatial::look_at_from_pos );
|
|
|
|
BIND_CONSTANT( NOTIFICATION_TRANSFORM_CHANGED );
|
|
BIND_CONSTANT( NOTIFICATION_ENTER_WORLD );
|
|
BIND_CONSTANT( NOTIFICATION_EXIT_WORLD );
|
|
BIND_CONSTANT( NOTIFICATION_VISIBILITY_CHANGED );
|
|
|
|
//ADD_PROPERTY( PropertyInfo(Variant::TRANSFORM,"transform/global",PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR ), _SCS("set_global_transform"), _SCS("get_global_transform") );
|
|
ADD_PROPERTYNZ( PropertyInfo(Variant::TRANSFORM,"transform/local",PROPERTY_HINT_NONE,""), _SCS("set_transform"), _SCS("get_transform") );
|
|
ADD_PROPERTY( PropertyInfo(Variant::VECTOR3,"transform/translation",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_EDITOR), _SCS("set_translation"), _SCS("get_translation") );
|
|
ADD_PROPERTY( PropertyInfo(Variant::VECTOR3,"transform/rotation",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_EDITOR), _SCS("_set_rotation_deg"), _SCS("_get_rotation_deg") );
|
|
ADD_PROPERTY( PropertyInfo(Variant::VECTOR3,"transform/rotation_rad",PROPERTY_HINT_NONE,"",0), _SCS("set_rotation"), _SCS("get_rotation") );
|
|
ADD_PROPERTY( PropertyInfo(Variant::VECTOR3,"transform/scale",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_EDITOR), _SCS("set_scale"), _SCS("get_scale") );
|
|
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"visibility/visible"), _SCS("_set_visible_"), _SCS("_is_visible_") );
|
|
//ADD_PROPERTY( PropertyInfo(Variant::TRANSFORM,"transform/local"), _SCS("set_transform"), _SCS("get_transform") );
|
|
|
|
ADD_SIGNAL( MethodInfo("visibility_changed" ) );
|
|
|
|
}
|
|
|
|
|
|
Spatial::Spatial() : xform_change(this)
|
|
{
|
|
|
|
data.dirty=DIRTY_NONE;
|
|
data.children_lock=0;
|
|
|
|
data.ignore_notification=false;
|
|
data.toplevel=false;
|
|
data.toplevel_active=false;
|
|
data.scale=Vector3(1,1,1);
|
|
data.viewport=NULL;
|
|
data.inside_world=false;
|
|
data.visible=true;
|
|
#ifdef TOOLS_ENABLED
|
|
data.gizmo_disabled=false;
|
|
data.gizmo_dirty=false;
|
|
#endif
|
|
data.parent=NULL;
|
|
data.C=NULL;
|
|
|
|
}
|
|
|
|
|
|
Spatial::~Spatial() {
|
|
|
|
}
|
|
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|
|