431 lines
12 KiB
C++
431 lines
12 KiB
C++
/*************************************************************************/
|
|
/* space_sw.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* 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 "globals.h"
|
|
#include "space_sw.h"
|
|
#include "collision_solver_sw.h"
|
|
#include "physics_server_sw.h"
|
|
|
|
|
|
bool PhysicsDirectSpaceStateSW::intersect_ray(const Vector3& p_from, const Vector3& p_to,RayResult &r_result,const Set<RID>& p_exclude,uint32_t p_user_mask) {
|
|
|
|
|
|
ERR_FAIL_COND_V(space->locked,false);
|
|
|
|
Vector3 begin,end;
|
|
Vector3 normal;
|
|
begin=p_from;
|
|
end=p_to;
|
|
normal=(end-begin).normalized();
|
|
|
|
|
|
int amount = space->broadphase->cull_segment(begin,end,space->intersection_query_results,SpaceSW::INTERSECTION_QUERY_MAX,space->intersection_query_subindex_results);
|
|
|
|
|
|
//todo, create another array tha references results, compute AABBs and check closest point to ray origin, sort, and stop evaluating results when beyond first collision
|
|
|
|
bool collided=false;
|
|
Vector3 res_point,res_normal;
|
|
int res_shape;
|
|
const CollisionObjectSW *res_obj;
|
|
real_t min_d=1e10;
|
|
|
|
|
|
for(int i=0;i<amount;i++) {
|
|
|
|
if (space->intersection_query_results[i]->get_type()==CollisionObjectSW::TYPE_AREA)
|
|
continue; //ignore area
|
|
|
|
if (p_exclude.has( space->intersection_query_results[i]->get_self()))
|
|
continue;
|
|
|
|
const CollisionObjectSW *col_obj=space->intersection_query_results[i];
|
|
|
|
int shape_idx=space->intersection_query_subindex_results[i];
|
|
Transform inv_xform = col_obj->get_shape_inv_transform(shape_idx) * col_obj->get_inv_transform();
|
|
|
|
Vector3 local_from = inv_xform.xform(begin);
|
|
Vector3 local_to = inv_xform.xform(end);
|
|
|
|
const ShapeSW *shape = col_obj->get_shape(shape_idx);
|
|
|
|
Vector3 shape_point,shape_normal;
|
|
|
|
if (shape->intersect_segment(local_from,local_to,shape_point,shape_normal)) {
|
|
|
|
Transform xform = col_obj->get_transform() * col_obj->get_shape_transform(shape_idx);
|
|
shape_point=xform.xform(shape_point);
|
|
|
|
real_t ld = normal.dot(shape_point);
|
|
|
|
|
|
if (ld<min_d) {
|
|
|
|
min_d=ld;
|
|
res_point=shape_point;
|
|
res_normal=inv_xform.basis.xform_inv(shape_normal).normalized();
|
|
res_shape=shape_idx;
|
|
res_obj=col_obj;
|
|
collided=true;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
if (!collided)
|
|
return false;
|
|
|
|
|
|
r_result.collider_id=res_obj->get_instance_id();
|
|
if (r_result.collider_id!=0)
|
|
r_result.collider=ObjectDB::get_instance(r_result.collider_id);
|
|
r_result.normal=res_normal;
|
|
r_result.position=res_point;
|
|
r_result.rid=res_obj->get_self();
|
|
r_result.shape=res_shape;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
int PhysicsDirectSpaceStateSW::intersect_shape(const RID& p_shape, const Transform& p_xform,ShapeResult *r_results,int p_result_max,const Set<RID>& p_exclude,uint32_t p_user_mask) {
|
|
|
|
if (p_result_max<=0)
|
|
return 0;
|
|
|
|
ShapeSW *shape = static_cast<PhysicsServerSW*>(PhysicsServer::get_singleton())->shape_owner.get(p_shape);
|
|
ERR_FAIL_COND_V(!shape,0);
|
|
|
|
AABB aabb = p_xform.xform(shape->get_aabb());
|
|
|
|
int amount = space->broadphase->cull_aabb(aabb,space->intersection_query_results,SpaceSW::INTERSECTION_QUERY_MAX,space->intersection_query_subindex_results);
|
|
|
|
bool collided=false;
|
|
int cc=0;
|
|
|
|
//Transform ai = p_xform.affine_inverse();
|
|
|
|
for(int i=0;i<amount;i++) {
|
|
|
|
if (cc>=p_result_max)
|
|
break;
|
|
|
|
if (space->intersection_query_results[i]->get_type()==CollisionObjectSW::TYPE_AREA)
|
|
continue; //ignore area
|
|
|
|
if (p_exclude.has( space->intersection_query_results[i]->get_self()))
|
|
continue;
|
|
|
|
|
|
const CollisionObjectSW *col_obj=space->intersection_query_results[i];
|
|
int shape_idx=space->intersection_query_subindex_results[i];
|
|
|
|
if (!CollisionSolverSW::solve_static(shape,p_xform,col_obj->get_shape(shape_idx),col_obj->get_transform() * col_obj->get_shape_transform(shape_idx), NULL,NULL,NULL))
|
|
continue;
|
|
|
|
r_results[cc].collider_id=col_obj->get_instance_id();
|
|
if (r_results[cc].collider_id!=0)
|
|
r_results[cc].collider=ObjectDB::get_instance(r_results[cc].collider_id);
|
|
r_results[cc].rid=col_obj->get_self();
|
|
r_results[cc].shape=shape_idx;
|
|
|
|
cc++;
|
|
|
|
}
|
|
|
|
return cc;
|
|
|
|
}
|
|
|
|
PhysicsDirectSpaceStateSW::PhysicsDirectSpaceStateSW() {
|
|
|
|
|
|
space=NULL;
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void* SpaceSW::_broadphase_pair(CollisionObjectSW *A,int p_subindex_A,CollisionObjectSW *B,int p_subindex_B,void *p_self) {
|
|
|
|
CollisionObjectSW::Type type_A=A->get_type();
|
|
CollisionObjectSW::Type type_B=B->get_type();
|
|
if (type_A>type_B) {
|
|
|
|
SWAP(A,B);
|
|
SWAP(p_subindex_A,p_subindex_B);
|
|
SWAP(type_A,type_B);
|
|
}
|
|
|
|
SpaceSW *self = (SpaceSW*)p_self;
|
|
|
|
if (type_A==CollisionObjectSW::TYPE_AREA) {
|
|
|
|
|
|
ERR_FAIL_COND_V(type_B!=CollisionObjectSW::TYPE_BODY,NULL);
|
|
AreaSW *area=static_cast<AreaSW*>(A);
|
|
BodySW *body=static_cast<BodySW*>(B);
|
|
|
|
|
|
AreaPairSW *area_pair = memnew(AreaPairSW(body,p_subindex_B,area,p_subindex_A) );
|
|
|
|
return area_pair;
|
|
} else {
|
|
|
|
|
|
BodyPairSW *b = memnew( BodyPairSW((BodySW*)A,p_subindex_A,(BodySW*)B,p_subindex_B) );
|
|
return b;
|
|
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void SpaceSW::_broadphase_unpair(CollisionObjectSW *A,int p_subindex_A,CollisionObjectSW *B,int p_subindex_B,void *p_data,void *p_self) {
|
|
|
|
|
|
|
|
SpaceSW *self = (SpaceSW*)p_self;
|
|
ConstraintSW *c = (ConstraintSW*)p_data;
|
|
memdelete(c);
|
|
}
|
|
|
|
|
|
const SelfList<BodySW>::List& SpaceSW::get_active_body_list() const {
|
|
|
|
return active_list;
|
|
}
|
|
void SpaceSW::body_add_to_active_list(SelfList<BodySW>* p_body) {
|
|
|
|
active_list.add(p_body);
|
|
}
|
|
void SpaceSW::body_remove_from_active_list(SelfList<BodySW>* p_body) {
|
|
|
|
active_list.remove(p_body);
|
|
|
|
}
|
|
|
|
void SpaceSW::body_add_to_inertia_update_list(SelfList<BodySW>* p_body) {
|
|
|
|
|
|
inertia_update_list.add(p_body);
|
|
}
|
|
|
|
void SpaceSW::body_remove_from_inertia_update_list(SelfList<BodySW>* p_body) {
|
|
|
|
inertia_update_list.remove(p_body);
|
|
}
|
|
|
|
BroadPhaseSW *SpaceSW::get_broadphase() {
|
|
|
|
return broadphase;
|
|
}
|
|
|
|
void SpaceSW::add_object(CollisionObjectSW *p_object) {
|
|
|
|
ERR_FAIL_COND( objects.has(p_object) );
|
|
objects.insert(p_object);
|
|
}
|
|
|
|
void SpaceSW::remove_object(CollisionObjectSW *p_object) {
|
|
|
|
ERR_FAIL_COND( !objects.has(p_object) );
|
|
objects.erase(p_object);
|
|
}
|
|
|
|
const Set<CollisionObjectSW*> &SpaceSW::get_objects() const {
|
|
|
|
return objects;
|
|
}
|
|
|
|
void SpaceSW::body_add_to_state_query_list(SelfList<BodySW>* p_body) {
|
|
|
|
state_query_list.add(p_body);
|
|
}
|
|
void SpaceSW::body_remove_from_state_query_list(SelfList<BodySW>* p_body) {
|
|
|
|
state_query_list.remove(p_body);
|
|
}
|
|
|
|
void SpaceSW::area_add_to_monitor_query_list(SelfList<AreaSW>* p_area) {
|
|
|
|
monitor_query_list.add(p_area);
|
|
}
|
|
void SpaceSW::area_remove_from_monitor_query_list(SelfList<AreaSW>* p_area) {
|
|
|
|
monitor_query_list.remove(p_area);
|
|
}
|
|
|
|
void SpaceSW::area_add_to_moved_list(SelfList<AreaSW>* p_area) {
|
|
|
|
area_moved_list.add(p_area);
|
|
}
|
|
|
|
void SpaceSW::area_remove_from_moved_list(SelfList<AreaSW>* p_area) {
|
|
|
|
area_moved_list.remove(p_area);
|
|
}
|
|
|
|
const SelfList<AreaSW>::List& SpaceSW::get_moved_area_list() const {
|
|
|
|
return area_moved_list;
|
|
}
|
|
|
|
|
|
|
|
|
|
void SpaceSW::call_queries() {
|
|
|
|
while(state_query_list.first()) {
|
|
|
|
BodySW * b = state_query_list.first()->self();
|
|
b->call_queries();
|
|
state_query_list.remove(state_query_list.first());
|
|
}
|
|
|
|
while(monitor_query_list.first()) {
|
|
|
|
AreaSW * a = monitor_query_list.first()->self();
|
|
a->call_queries();
|
|
monitor_query_list.remove(monitor_query_list.first());
|
|
}
|
|
|
|
}
|
|
|
|
void SpaceSW::setup() {
|
|
|
|
|
|
while(inertia_update_list.first()) {
|
|
inertia_update_list.first()->self()->update_inertias();
|
|
inertia_update_list.remove(inertia_update_list.first());
|
|
}
|
|
|
|
|
|
}
|
|
|
|
void SpaceSW::update() {
|
|
|
|
broadphase->update();
|
|
|
|
}
|
|
|
|
|
|
void SpaceSW::set_param(PhysicsServer::SpaceParameter p_param, real_t p_value) {
|
|
|
|
switch(p_param) {
|
|
|
|
case PhysicsServer::SPACE_PARAM_CONTACT_RECYCLE_RADIUS: contact_recycle_radius=p_value; break;
|
|
case PhysicsServer::SPACE_PARAM_CONTACT_MAX_SEPARATION: contact_max_separation=p_value; break;
|
|
case PhysicsServer::SPACE_PARAM_BODY_MAX_ALLOWED_PENETRATION: contact_max_allowed_penetration=p_value; break;
|
|
case PhysicsServer::SPACE_PARAM_BODY_LINEAR_VELOCITY_SLEEP_TRESHOLD: body_linear_velocity_sleep_threshold=p_value; break;
|
|
case PhysicsServer::SPACE_PARAM_BODY_ANGULAR_VELOCITY_SLEEP_TRESHOLD: body_angular_velocity_sleep_threshold=p_value; break;
|
|
case PhysicsServer::SPACE_PARAM_BODY_TIME_TO_SLEEP: body_time_to_sleep=p_value; break;
|
|
case PhysicsServer::SPACE_PARAM_BODY_ANGULAR_VELOCITY_DAMP_RATIO: body_angular_velocity_damp_ratio=p_value; break;
|
|
case PhysicsServer::SPACE_PARAM_CONSTRAINT_DEFAULT_BIAS: constraint_bias=p_value; break;
|
|
}
|
|
}
|
|
|
|
real_t SpaceSW::get_param(PhysicsServer::SpaceParameter p_param) const {
|
|
|
|
switch(p_param) {
|
|
|
|
case PhysicsServer::SPACE_PARAM_CONTACT_RECYCLE_RADIUS: return contact_recycle_radius;
|
|
case PhysicsServer::SPACE_PARAM_CONTACT_MAX_SEPARATION: return contact_max_separation;
|
|
case PhysicsServer::SPACE_PARAM_BODY_MAX_ALLOWED_PENETRATION: return contact_max_allowed_penetration;
|
|
case PhysicsServer::SPACE_PARAM_BODY_LINEAR_VELOCITY_SLEEP_TRESHOLD: return body_linear_velocity_sleep_threshold;
|
|
case PhysicsServer::SPACE_PARAM_BODY_ANGULAR_VELOCITY_SLEEP_TRESHOLD: return body_angular_velocity_sleep_threshold;
|
|
case PhysicsServer::SPACE_PARAM_BODY_TIME_TO_SLEEP: return body_time_to_sleep;
|
|
case PhysicsServer::SPACE_PARAM_BODY_ANGULAR_VELOCITY_DAMP_RATIO: return body_angular_velocity_damp_ratio;
|
|
case PhysicsServer::SPACE_PARAM_CONSTRAINT_DEFAULT_BIAS: return constraint_bias;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void SpaceSW::lock() {
|
|
|
|
locked=true;
|
|
}
|
|
|
|
void SpaceSW::unlock() {
|
|
|
|
locked=false;
|
|
}
|
|
|
|
bool SpaceSW::is_locked() const {
|
|
|
|
return locked;
|
|
}
|
|
|
|
PhysicsDirectSpaceStateSW *SpaceSW::get_direct_state() {
|
|
|
|
return direct_access;
|
|
}
|
|
|
|
SpaceSW::SpaceSW() {
|
|
|
|
|
|
locked=false;
|
|
contact_recycle_radius=0.01;
|
|
contact_max_separation=0.05;
|
|
contact_max_allowed_penetration= 0.01;
|
|
|
|
constraint_bias = 0.01;
|
|
body_linear_velocity_sleep_threshold=GLOBAL_DEF("physics/sleep_threshold_linear",0.1);
|
|
body_angular_velocity_sleep_threshold=GLOBAL_DEF("physics/sleep_threshold_angular", (8.0 / 180.0 * Math_PI) );
|
|
body_time_to_sleep=0.5;
|
|
body_angular_velocity_damp_ratio=10;
|
|
|
|
|
|
broadphase = BroadPhaseSW::create_func();
|
|
broadphase->set_pair_callback(_broadphase_pair,this);
|
|
broadphase->set_unpair_callback(_broadphase_unpair,this);
|
|
area=NULL;
|
|
|
|
direct_access = memnew( PhysicsDirectSpaceStateSW );
|
|
direct_access->space=this;
|
|
}
|
|
|
|
SpaceSW::~SpaceSW() {
|
|
|
|
memdelete(broadphase);
|
|
memdelete( direct_access );
|
|
}
|
|
|
|
|
|
|