godot/scene/3d/collision_object.cpp

374 lines
12 KiB
C++

/*************************************************************************/
/* collision_object.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 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 "collision_object.h"
#include "servers/physics_server.h"
#include "scene/scene_string_names.h"
void CollisionObject::_update_shapes_from_children() {
shapes.clear();
for(int i=0;i<get_child_count();i++) {
Node* n = get_child(i);
n->call("_add_to_collision_object",this);
}
_update_shapes();
}
void CollisionObject::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_ENTER_WORLD: {
if (area)
PhysicsServer::get_singleton()->area_set_transform(rid,get_global_transform());
else
PhysicsServer::get_singleton()->body_set_state(rid,PhysicsServer::BODY_STATE_TRANSFORM,get_global_transform());
RID space = get_world()->get_space();
if (area) {
PhysicsServer::get_singleton()->area_set_space(rid,space);
} else
PhysicsServer::get_singleton()->body_set_space(rid,space);
_update_pickable();
//get space
};
case NOTIFICATION_TRANSFORM_CHANGED: {
if (area)
PhysicsServer::get_singleton()->area_set_transform(rid,get_global_transform());
else
PhysicsServer::get_singleton()->body_set_state(rid,PhysicsServer::BODY_STATE_TRANSFORM,get_global_transform());
} break;
case NOTIFICATION_VISIBILITY_CHANGED: {
_update_pickable();
} break;
case NOTIFICATION_EXIT_WORLD: {
if (area) {
PhysicsServer::get_singleton()->area_set_space(rid,RID());
} else
PhysicsServer::get_singleton()->body_set_space(rid,RID());
} break;
}
}
void CollisionObject::_update_shapes() {
if (!rid.is_valid())
return;
if (area)
PhysicsServer::get_singleton()->area_clear_shapes(rid);
else
PhysicsServer::get_singleton()->body_clear_shapes(rid);
for(int i=0;i<shapes.size();i++) {
if (shapes[i].shape.is_null())
continue;
if (area)
PhysicsServer::get_singleton()->area_add_shape(rid,shapes[i].shape->get_rid(),shapes[i].xform);
else {
PhysicsServer::get_singleton()->body_add_shape(rid,shapes[i].shape->get_rid(),shapes[i].xform);
if (shapes[i].trigger)
PhysicsServer::get_singleton()->body_set_shape_as_trigger(rid,i,shapes[i].trigger);
}
}
}
bool CollisionObject::_set(const StringName& p_name, const Variant& p_value) {
String name=p_name;
if (name=="shape_count") {
shapes.resize(p_value);
_update_shapes();
_change_notify();
} else if (name.begins_with("shapes/")) {
int idx=name.get_slicec('/',1).to_int();
String what=name.get_slicec('/',2);
if (what=="shape")
set_shape(idx,RefPtr(p_value));
else if (what=="transform")
set_shape_transform(idx,p_value);
else if (what=="trigger")
set_shape_as_trigger(idx,p_value);
} else
return false;
return true;
}
bool CollisionObject::_get(const StringName& p_name,Variant &r_ret) const {
String name=p_name;
if (name=="shape_count") {
r_ret= shapes.size();
} else if (name.begins_with("shapes/")) {
int idx=name.get_slicec('/',1).to_int();
String what=name.get_slicec('/',2);
if (what=="shape")
r_ret= get_shape(idx);
else if (what=="transform")
r_ret= get_shape_transform(idx);
else if (what=="trigger")
r_ret= is_shape_set_as_trigger(idx);
} else
return false;
return true;
}
void CollisionObject::_get_property_list( List<PropertyInfo> *p_list) const {
p_list->push_back( PropertyInfo(Variant::INT,"shape_count",PROPERTY_HINT_RANGE,"0,256,1",PROPERTY_USAGE_NOEDITOR|PROPERTY_USAGE_NO_INSTANCE_STATE) );
for(int i=0;i<shapes.size();i++) {
String path="shapes/"+itos(i)+"/";
p_list->push_back( PropertyInfo(Variant::OBJECT,path+"shape",PROPERTY_HINT_RESOURCE_TYPE,"Shape",PROPERTY_USAGE_NOEDITOR|PROPERTY_USAGE_NO_INSTANCE_STATE) );
p_list->push_back( PropertyInfo(Variant::TRANSFORM,path+"transform",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR|PROPERTY_USAGE_NO_INSTANCE_STATE) );
p_list->push_back( PropertyInfo(Variant::BOOL,path+"trigger",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR|PROPERTY_USAGE_NO_INSTANCE_STATE) );
}
}
void CollisionObject::_input_event(Node *p_camera, const InputEvent& p_input_event, const Vector3& p_pos, const Vector3& p_normal, int p_shape) {
if (get_script_instance()) {
get_script_instance()->call(SceneStringNames::get_singleton()->_input_event,p_camera,p_input_event,p_pos,p_normal,p_shape);
}
emit_signal(SceneStringNames::get_singleton()->input_event,p_camera,p_input_event,p_pos,p_normal,p_shape);
}
void CollisionObject::_mouse_enter() {
if (get_script_instance()) {
get_script_instance()->call(SceneStringNames::get_singleton()->_mouse_enter);
}
emit_signal(SceneStringNames::get_singleton()->mouse_entered);
}
void CollisionObject::_mouse_exit() {
if (get_script_instance()) {
get_script_instance()->call(SceneStringNames::get_singleton()->_mouse_exit);
}
emit_signal(SceneStringNames::get_singleton()->mouse_exited);
}
void CollisionObject::_update_pickable() {
if (!is_inside_tree())
return;
bool pickable = ray_pickable && is_inside_tree() && is_visible_in_tree();
if (area)
PhysicsServer::get_singleton()->area_set_ray_pickable(rid,pickable);
else
PhysicsServer::get_singleton()->body_set_ray_pickable(rid,pickable);
}
void CollisionObject::set_ray_pickable(bool p_ray_pickable) {
ray_pickable=p_ray_pickable;
_update_pickable();
}
bool CollisionObject::is_ray_pickable() const {
return ray_pickable;
}
void CollisionObject::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_shape","shape:Shape","transform"),&CollisionObject::add_shape,DEFVAL(Transform()));
ClassDB::bind_method(D_METHOD("get_shape_count"),&CollisionObject::get_shape_count);
ClassDB::bind_method(D_METHOD("set_shape","shape_idx","shape:Shape"),&CollisionObject::set_shape);
ClassDB::bind_method(D_METHOD("set_shape_transform","shape_idx","transform"),&CollisionObject::set_shape_transform);
// ClassDB::bind_method(D_METHOD("set_shape_transform","shape_idx","transform"),&CollisionObject::set_shape_transform);
ClassDB::bind_method(D_METHOD("set_shape_as_trigger","shape_idx","enable"),&CollisionObject::set_shape_as_trigger);
ClassDB::bind_method(D_METHOD("is_shape_set_as_trigger","shape_idx"),&CollisionObject::is_shape_set_as_trigger);
ClassDB::bind_method(D_METHOD("get_shape:Shape","shape_idx"),&CollisionObject::get_shape);
ClassDB::bind_method(D_METHOD("get_shape_transform","shape_idx"),&CollisionObject::get_shape_transform);
ClassDB::bind_method(D_METHOD("remove_shape","shape_idx"),&CollisionObject::remove_shape);
ClassDB::bind_method(D_METHOD("clear_shapes"),&CollisionObject::clear_shapes);
ClassDB::bind_method(D_METHOD("set_ray_pickable","ray_pickable"),&CollisionObject::set_ray_pickable);
ClassDB::bind_method(D_METHOD("is_ray_pickable"),&CollisionObject::is_ray_pickable);
ClassDB::bind_method(D_METHOD("set_capture_input_on_drag","enable"),&CollisionObject::set_capture_input_on_drag);
ClassDB::bind_method(D_METHOD("get_capture_input_on_drag"),&CollisionObject::get_capture_input_on_drag);
ClassDB::bind_method(D_METHOD("get_rid"),&CollisionObject::get_rid);
BIND_VMETHOD( MethodInfo("_input_event",PropertyInfo(Variant::OBJECT,"camera"),PropertyInfo(Variant::INPUT_EVENT,"event"),PropertyInfo(Variant::VECTOR3,"click_pos"),PropertyInfo(Variant::VECTOR3,"click_normal"),PropertyInfo(Variant::INT,"shape_idx")));
ADD_SIGNAL( MethodInfo("input_event",PropertyInfo(Variant::OBJECT,"camera"),PropertyInfo(Variant::INPUT_EVENT,"event"),PropertyInfo(Variant::VECTOR3,"click_pos"),PropertyInfo(Variant::VECTOR3,"click_normal"),PropertyInfo(Variant::INT,"shape_idx")));
ADD_SIGNAL( MethodInfo("mouse_entered"));
ADD_SIGNAL( MethodInfo("mouse_exited"));
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"input_ray_pickable"),"set_ray_pickable","is_ray_pickable");
ADD_PROPERTY(PropertyInfo(Variant::BOOL,"input_capture_on_drag"),"set_capture_input_on_drag","get_capture_input_on_drag");
}
void CollisionObject::add_shape(const Ref<Shape>& p_shape, const Transform& p_transform) {
ShapeData sdata;
sdata.shape=p_shape;
sdata.xform=p_transform;
shapes.push_back(sdata);
_update_shapes();
}
int CollisionObject::get_shape_count() const {
return shapes.size();
}
void CollisionObject::set_shape(int p_shape_idx, const Ref<Shape>& p_shape) {
ERR_FAIL_INDEX(p_shape_idx,shapes.size());
shapes[p_shape_idx].shape=p_shape;
_update_shapes();
}
void CollisionObject::set_shape_transform(int p_shape_idx, const Transform& p_transform) {
ERR_FAIL_INDEX(p_shape_idx,shapes.size());
shapes[p_shape_idx].xform=p_transform;
_update_shapes();
}
Ref<Shape> CollisionObject::get_shape(int p_shape_idx) const {
ERR_FAIL_INDEX_V(p_shape_idx,shapes.size(),Ref<Shape>());
return shapes[p_shape_idx].shape;
}
Transform CollisionObject::get_shape_transform(int p_shape_idx) const {
ERR_FAIL_INDEX_V(p_shape_idx,shapes.size(),Transform());
return shapes[p_shape_idx].xform;
}
void CollisionObject::remove_shape(int p_shape_idx) {
ERR_FAIL_INDEX(p_shape_idx,shapes.size());
shapes.remove(p_shape_idx);
_update_shapes();
}
void CollisionObject::clear_shapes() {
shapes.clear();
_update_shapes();
}
void CollisionObject::set_shape_as_trigger(int p_shape_idx, bool p_trigger) {
ERR_FAIL_INDEX(p_shape_idx,shapes.size());
shapes[p_shape_idx].trigger=p_trigger;
if (!area && rid.is_valid()) {
PhysicsServer::get_singleton()->body_set_shape_as_trigger(rid,p_shape_idx,p_trigger);
}
}
bool CollisionObject::is_shape_set_as_trigger(int p_shape_idx) const {
ERR_FAIL_INDEX_V(p_shape_idx,shapes.size(),false);
return shapes[p_shape_idx].trigger;
}
CollisionObject::CollisionObject(RID p_rid, bool p_area) {
rid=p_rid;
area=p_area;
capture_input_on_drag=false;
ray_pickable=true;
set_notify_transform(true);
if (p_area) {
PhysicsServer::get_singleton()->area_attach_object_instance_ID(rid,get_instance_ID());
} else {
PhysicsServer::get_singleton()->body_attach_object_instance_ID(rid,get_instance_ID());
}
//set_transform_notify(true);
}
void CollisionObject::set_capture_input_on_drag(bool p_capture) {
capture_input_on_drag=p_capture;
}
bool CollisionObject::get_capture_input_on_drag() const {
return capture_input_on_drag;
}
CollisionObject::CollisionObject() {
capture_input_on_drag=false;
ray_pickable=true;
set_notify_transform(true);
//owner=
//set_transform_notify(true);
}
CollisionObject::~CollisionObject() {
PhysicsServer::get_singleton()->free(rid);
}