diff options
Diffstat (limited to 'scene/2d/physics_body_2d.cpp')
| -rw-r--r-- | scene/2d/physics_body_2d.cpp | 926 |
1 files changed, 560 insertions, 366 deletions
diff --git a/scene/2d/physics_body_2d.cpp b/scene/2d/physics_body_2d.cpp index a382fb2f1e..30f012c7aa 100644 --- a/scene/2d/physics_body_2d.cpp +++ b/scene/2d/physics_body_2d.cpp @@ -30,17 +30,12 @@ #include "physics_body_2d.h" -#include "core/config/engine.h" #include "core/core_string_names.h" -#include "core/math/math_funcs.h" -#include "core/object/class_db.h" -#include "core/templates/list.h" -#include "core/templates/rid.h" #include "scene/scene_string_names.h" void PhysicsBody2D::_bind_methods() { - ClassDB::bind_method(D_METHOD("move_and_collide", "rel_vec", "infinite_inertia", "exclude_raycast_shapes", "test_only", "safe_margin"), &PhysicsBody2D::_move, DEFVAL(true), DEFVAL(true), DEFVAL(false), DEFVAL(0.08)); - ClassDB::bind_method(D_METHOD("test_move", "from", "rel_vec", "infinite_inertia", "exclude_raycast_shapes", "collision", "safe_margin"), &PhysicsBody2D::test_move, DEFVAL(true), DEFVAL(true), DEFVAL(Variant()), DEFVAL(0.08)); + ClassDB::bind_method(D_METHOD("move_and_collide", "rel_vec", "test_only", "safe_margin"), &PhysicsBody2D::_move, DEFVAL(false), DEFVAL(0.08)); + ClassDB::bind_method(D_METHOD("test_move", "from", "rel_vec", "collision", "safe_margin"), &PhysicsBody2D::test_move, DEFVAL(Variant()), DEFVAL(0.08)); ClassDB::bind_method(D_METHOD("get_collision_exceptions"), &PhysicsBody2D::get_collision_exceptions); ClassDB::bind_method(D_METHOD("add_collision_exception_with", "body"), &PhysicsBody2D::add_collision_exception_with); @@ -59,29 +54,28 @@ PhysicsBody2D::~PhysicsBody2D() { } } -Ref<KinematicCollision2D> PhysicsBody2D::_move(const Vector2 &p_motion, bool p_infinite_inertia, bool p_exclude_raycast_shapes, bool p_test_only, real_t p_margin) { +Ref<KinematicCollision2D> PhysicsBody2D::_move(const Vector2 &p_motion, bool p_test_only, real_t p_margin) { PhysicsServer2D::MotionResult result; - if (move_and_collide(p_motion, p_infinite_inertia, result, p_margin, p_exclude_raycast_shapes, p_test_only)) { + if (move_and_collide(p_motion, result, p_margin, p_test_only)) { if (motion_cache.is_null()) { motion_cache.instantiate(); motion_cache->owner = this; } motion_cache->result = result; - return motion_cache; } return Ref<KinematicCollision2D>(); } -bool PhysicsBody2D::move_and_collide(const Vector2 &p_motion, bool p_infinite_inertia, PhysicsServer2D::MotionResult &r_result, real_t p_margin, bool p_exclude_raycast_shapes, bool p_test_only, bool p_cancel_sliding, const Set<RID> &p_exclude) { +bool PhysicsBody2D::move_and_collide(const Vector2 &p_motion, PhysicsServer2D::MotionResult &r_result, real_t p_margin, bool p_test_only, bool p_cancel_sliding, bool p_collide_separation_ray, const Set<RID> &p_exclude) { if (is_only_update_transform_changes_enabled()) { ERR_PRINT("Move functions do not work together with 'sync to physics' option. Please read the documentation."); } Transform2D gt = get_global_transform(); - bool colliding = PhysicsServer2D::get_singleton()->body_test_motion(get_rid(), gt, p_motion, p_infinite_inertia, p_margin, &r_result, p_exclude_raycast_shapes, p_exclude); + bool colliding = PhysicsServer2D::get_singleton()->body_test_motion(get_rid(), gt, p_motion, p_margin, &r_result, p_collide_separation_ray, p_exclude); // Restore direction of motion to be along original motion, // in order to avoid sliding due to recovery, @@ -108,28 +102,28 @@ bool PhysicsBody2D::move_and_collide(const Vector2 &p_motion, bool p_infinite_in } // Check depth of recovery. - real_t projected_length = r_result.motion.dot(motion_normal); - Vector2 recovery = r_result.motion - motion_normal * projected_length; + real_t projected_length = r_result.travel.dot(motion_normal); + Vector2 recovery = r_result.travel - motion_normal * projected_length; real_t recovery_length = recovery.length(); // Fixes cases where canceling slide causes the motion to go too deep into the ground, // because we're only taking rest information into account and not general recovery. if (recovery_length < (real_t)p_margin + precision) { // Apply adjustment to motion. - r_result.motion = motion_normal * projected_length; - r_result.remainder = p_motion - r_result.motion; + r_result.travel = motion_normal * projected_length; + r_result.remainder = p_motion - r_result.travel; } } } if (!p_test_only) { - gt.elements[2] += r_result.motion; + gt.elements[2] += r_result.travel; set_global_transform(gt); } return colliding; } -bool PhysicsBody2D::test_move(const Transform2D &p_from, const Vector2 &p_motion, bool p_infinite_inertia, bool p_exclude_raycast_shapes, const Ref<KinematicCollision2D> &r_collision, real_t p_margin) { +bool PhysicsBody2D::test_move(const Transform2D &p_from, const Vector2 &p_motion, const Ref<KinematicCollision2D> &r_collision, real_t p_margin) { ERR_FAIL_COND_V(!is_inside_tree(), false); PhysicsServer2D::MotionResult *r = nullptr; @@ -138,7 +132,7 @@ bool PhysicsBody2D::test_move(const Transform2D &p_from, const Vector2 &p_motion r = const_cast<PhysicsServer2D::MotionResult *>(&r_collision->result); } - return PhysicsServer2D::get_singleton()->body_test_motion(get_rid(), p_from, p_motion, p_infinite_inertia, p_margin, r, p_exclude_raycast_shapes); + return PhysicsServer2D::get_singleton()->body_test_motion(get_rid(), p_from, p_motion, p_margin, r); } TypedArray<PhysicsBody2D> PhysicsBody2D::get_collision_exceptions() { @@ -171,21 +165,13 @@ void PhysicsBody2D::remove_collision_exception_with(Node *p_node) { void StaticBody2D::set_constant_linear_velocity(const Vector2 &p_vel) { constant_linear_velocity = p_vel; - if (kinematic_motion) { - _update_kinematic_motion(); - } else { - PhysicsServer2D::get_singleton()->body_set_state(get_rid(), PhysicsServer2D::BODY_STATE_LINEAR_VELOCITY, constant_linear_velocity); - } + PhysicsServer2D::get_singleton()->body_set_state(get_rid(), PhysicsServer2D::BODY_STATE_LINEAR_VELOCITY, constant_linear_velocity); } void StaticBody2D::set_constant_angular_velocity(real_t p_vel) { constant_angular_velocity = p_vel; - if (kinematic_motion) { - _update_kinematic_motion(); - } else { - PhysicsServer2D::get_singleton()->body_set_state(get_rid(), PhysicsServer2D::BODY_STATE_ANGULAR_VELOCITY, constant_angular_velocity); - } + PhysicsServer2D::get_singleton()->body_set_state(get_rid(), PhysicsServer2D::BODY_STATE_ANGULAR_VELOCITY, constant_angular_velocity); } Vector2 StaticBody2D::get_constant_linear_velocity() const { @@ -215,81 +201,83 @@ Ref<PhysicsMaterial> StaticBody2D::get_physics_material_override() const { return physics_material_override; } -void StaticBody2D::set_kinematic_motion_enabled(bool p_enabled) { - if (p_enabled == kinematic_motion) { - return; - } - - kinematic_motion = p_enabled; +void StaticBody2D::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_constant_linear_velocity", "vel"), &StaticBody2D::set_constant_linear_velocity); + ClassDB::bind_method(D_METHOD("set_constant_angular_velocity", "vel"), &StaticBody2D::set_constant_angular_velocity); + ClassDB::bind_method(D_METHOD("get_constant_linear_velocity"), &StaticBody2D::get_constant_linear_velocity); + ClassDB::bind_method(D_METHOD("get_constant_angular_velocity"), &StaticBody2D::get_constant_angular_velocity); - if (kinematic_motion) { - set_body_mode(PhysicsServer2D::BODY_MODE_KINEMATIC); - } else { - set_body_mode(PhysicsServer2D::BODY_MODE_STATIC); - } + ClassDB::bind_method(D_METHOD("set_physics_material_override", "physics_material_override"), &StaticBody2D::set_physics_material_override); + ClassDB::bind_method(D_METHOD("get_physics_material_override"), &StaticBody2D::get_physics_material_override); -#ifdef TOOLS_ENABLED - if (Engine::get_singleton()->is_editor_hint()) { - update_configuration_warnings(); - return; - } -#endif + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "physics_material_override", PROPERTY_HINT_RESOURCE_TYPE, "PhysicsMaterial"), "set_physics_material_override", "get_physics_material_override"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "constant_linear_velocity"), "set_constant_linear_velocity", "get_constant_linear_velocity"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "constant_angular_velocity"), "set_constant_angular_velocity", "get_constant_angular_velocity"); +} - _update_kinematic_motion(); +StaticBody2D::StaticBody2D(PhysicsServer2D::BodyMode p_mode) : + PhysicsBody2D(p_mode) { } -bool StaticBody2D::is_kinematic_motion_enabled() const { - return kinematic_motion; +void StaticBody2D::_reload_physics_characteristics() { + if (physics_material_override.is_null()) { + PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_BOUNCE, 0); + PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_FRICTION, 1); + } else { + PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_BOUNCE, physics_material_override->computed_bounce()); + PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_FRICTION, physics_material_override->computed_friction()); + } } -void StaticBody2D::set_sync_to_physics(bool p_enable) { +void AnimatableBody2D::set_sync_to_physics(bool p_enable) { if (sync_to_physics == p_enable) { return; } sync_to_physics = p_enable; + _update_kinematic_motion(); +} + +bool AnimatableBody2D::is_sync_to_physics_enabled() const { + return sync_to_physics; +} + +void AnimatableBody2D::_update_kinematic_motion() { #ifdef TOOLS_ENABLED if (Engine::get_singleton()->is_editor_hint()) { - update_configuration_warnings(); return; } #endif - if (kinematic_motion) { - _update_kinematic_motion(); + if (sync_to_physics) { + PhysicsServer2D::get_singleton()->body_set_state_sync_callback(get_rid(), this, _body_state_changed_callback); + set_only_update_transform_changes(true); + set_notify_local_transform(true); + } else { + PhysicsServer2D::get_singleton()->body_set_state_sync_callback(get_rid(), nullptr, nullptr); + set_only_update_transform_changes(false); + set_notify_local_transform(false); } } -bool StaticBody2D::is_sync_to_physics_enabled() const { - return sync_to_physics; +void AnimatableBody2D::_body_state_changed_callback(void *p_instance, PhysicsDirectBodyState2D *p_state) { + AnimatableBody2D *body = (AnimatableBody2D *)p_instance; + body->_body_state_changed(p_state); } -void StaticBody2D::_direct_state_changed(Object *p_state) { +void AnimatableBody2D::_body_state_changed(PhysicsDirectBodyState2D *p_state) { if (!sync_to_physics) { return; } - PhysicsDirectBodyState2D *state = Object::cast_to<PhysicsDirectBodyState2D>(p_state); - ERR_FAIL_NULL_MSG(state, "Method '_direct_state_changed' must receive a valid PhysicsDirectBodyState2D object as argument"); - - last_valid_transform = state->get_transform(); + last_valid_transform = p_state->get_transform(); set_notify_local_transform(false); set_global_transform(last_valid_transform); set_notify_local_transform(true); } -TypedArray<String> StaticBody2D::get_configuration_warnings() const { - TypedArray<String> warnings = PhysicsBody2D::get_configuration_warnings(); - - if (sync_to_physics && !kinematic_motion) { - warnings.push_back(TTR("Sync to physics works only when kinematic motion is enabled.")); - } - - return warnings; -} - -void StaticBody2D::_notification(int p_what) { +void AnimatableBody2D::_notification(int p_what) { switch (p_what) { case NOTIFICATION_ENTER_TREE: { last_valid_transform = get_global_transform(); @@ -299,10 +287,6 @@ void StaticBody2D::_notification(int p_what) { // Used by sync to physics, send the new transform to the physics... Transform2D new_transform = get_global_transform(); - real_t delta_time = get_physics_process_delta_time(); - new_transform.translate(constant_linear_velocity * delta_time); - new_transform.set_rotation(new_transform.get_rotation() + constant_angular_velocity * delta_time); - PhysicsServer2D::get_singleton()->body_set_state(get_rid(), PhysicsServer2D::BODY_STATE_TRANSFORM, new_transform); // ... but then revert changes. @@ -310,98 +294,19 @@ void StaticBody2D::_notification(int p_what) { set_global_transform(last_valid_transform); set_notify_local_transform(true); } break; - - case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: { -#ifdef TOOLS_ENABLED - if (Engine::get_singleton()->is_editor_hint()) { - return; - } -#endif - - ERR_FAIL_COND(!kinematic_motion); - - Transform2D new_transform = get_global_transform(); - - real_t delta_time = get_physics_process_delta_time(); - new_transform.translate(constant_linear_velocity * delta_time); - new_transform.set_rotation(new_transform.get_rotation() + constant_angular_velocity * delta_time); - - if (sync_to_physics) { - // Propagate transform change to node. - set_global_transform(new_transform); - } else { - PhysicsServer2D::get_singleton()->body_set_state(get_rid(), PhysicsServer2D::BODY_STATE_TRANSFORM, new_transform); - - // Propagate transform change to node. - set_block_transform_notify(true); - set_global_transform(new_transform); - set_block_transform_notify(false); - } - } break; } } -void StaticBody2D::_bind_methods() { - ClassDB::bind_method(D_METHOD("set_constant_linear_velocity", "vel"), &StaticBody2D::set_constant_linear_velocity); - ClassDB::bind_method(D_METHOD("set_constant_angular_velocity", "vel"), &StaticBody2D::set_constant_angular_velocity); - ClassDB::bind_method(D_METHOD("get_constant_linear_velocity"), &StaticBody2D::get_constant_linear_velocity); - ClassDB::bind_method(D_METHOD("get_constant_angular_velocity"), &StaticBody2D::get_constant_angular_velocity); - - ClassDB::bind_method(D_METHOD("set_kinematic_motion_enabled", "enabled"), &StaticBody2D::set_kinematic_motion_enabled); - ClassDB::bind_method(D_METHOD("is_kinematic_motion_enabled"), &StaticBody2D::is_kinematic_motion_enabled); - - ClassDB::bind_method(D_METHOD("set_physics_material_override", "physics_material_override"), &StaticBody2D::set_physics_material_override); - ClassDB::bind_method(D_METHOD("get_physics_material_override"), &StaticBody2D::get_physics_material_override); - - ClassDB::bind_method(D_METHOD("set_sync_to_physics", "enable"), &StaticBody2D::set_sync_to_physics); - ClassDB::bind_method(D_METHOD("is_sync_to_physics_enabled"), &StaticBody2D::is_sync_to_physics_enabled); +void AnimatableBody2D::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_sync_to_physics", "enable"), &AnimatableBody2D::set_sync_to_physics); + ClassDB::bind_method(D_METHOD("is_sync_to_physics_enabled"), &AnimatableBody2D::is_sync_to_physics_enabled); - ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "physics_material_override", PROPERTY_HINT_RESOURCE_TYPE, "PhysicsMaterial"), "set_physics_material_override", "get_physics_material_override"); - ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "constant_linear_velocity"), "set_constant_linear_velocity", "get_constant_linear_velocity"); - ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "constant_angular_velocity"), "set_constant_angular_velocity", "get_constant_angular_velocity"); - ADD_PROPERTY(PropertyInfo(Variant::BOOL, "kinematic_motion"), "set_kinematic_motion_enabled", "is_kinematic_motion_enabled"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "sync_to_physics"), "set_sync_to_physics", "is_sync_to_physics_enabled"); } -StaticBody2D::StaticBody2D() : - PhysicsBody2D(PhysicsServer2D::BODY_MODE_STATIC) { -} - -void StaticBody2D::_reload_physics_characteristics() { - if (physics_material_override.is_null()) { - PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_BOUNCE, 0); - PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_FRICTION, 1); - } else { - PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_BOUNCE, physics_material_override->computed_bounce()); - PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_FRICTION, physics_material_override->computed_friction()); - } -} - -void StaticBody2D::_update_kinematic_motion() { -#ifdef TOOLS_ENABLED - if (Engine::get_singleton()->is_editor_hint()) { - return; - } -#endif - - if (kinematic_motion && sync_to_physics) { - PhysicsServer2D::get_singleton()->body_set_force_integration_callback(get_rid(), callable_mp(this, &StaticBody2D::_direct_state_changed)); - set_only_update_transform_changes(true); - set_notify_local_transform(true); - } else { - PhysicsServer2D::get_singleton()->body_set_force_integration_callback(get_rid(), Callable()); - set_only_update_transform_changes(false); - set_notify_local_transform(false); - } - - bool needs_physics_process = false; - if (kinematic_motion) { - if (!Math::is_zero_approx(constant_angular_velocity) || !constant_linear_velocity.is_equal_approx(Vector2())) { - needs_physics_process = true; - } - } - - set_physics_process_internal(needs_physics_process); +AnimatableBody2D::AnimatableBody2D() : + StaticBody2D(PhysicsServer2D::BODY_MODE_KINEMATIC) { + _update_kinematic_motion(); } void RigidBody2D::_body_enter_tree(ObjectID p_id) { @@ -517,27 +422,27 @@ struct _RigidBody2DInOut { int local_shape = 0; }; -void RigidBody2D::_direct_state_changed(Object *p_state) { -#ifdef DEBUG_ENABLED - state = Object::cast_to<PhysicsDirectBodyState2D>(p_state); - ERR_FAIL_NULL_MSG(state, "Method '_direct_state_changed' must receive a valid PhysicsDirectBodyState2D object as argument"); -#else - state = (PhysicsDirectBodyState2D *)p_state; //trust it -#endif +void RigidBody2D::_body_state_changed_callback(void *p_instance, PhysicsDirectBodyState2D *p_state) { + RigidBody2D *body = (RigidBody2D *)p_instance; + body->_body_state_changed(p_state); +} +void RigidBody2D::_body_state_changed(PhysicsDirectBodyState2D *p_state) { set_block_transform_notify(true); // don't want notify (would feedback loop) if (mode != MODE_KINEMATIC) { - set_global_transform(state->get_transform()); + set_global_transform(p_state->get_transform()); } - linear_velocity = state->get_linear_velocity(); - angular_velocity = state->get_angular_velocity(); - if (sleeping != state->is_sleeping()) { - sleeping = state->is_sleeping(); + + linear_velocity = p_state->get_linear_velocity(); + angular_velocity = p_state->get_angular_velocity(); + + if (sleeping != p_state->is_sleeping()) { + sleeping = p_state->is_sleeping(); emit_signal(SceneStringNames::get_singleton()->sleeping_state_changed); } - if (get_script_instance()) { - get_script_instance()->call("_integrate_forces", state); - } + + GDVIRTUAL_CALL(_integrate_forces, p_state); + set_block_transform_notify(false); // want it back if (contact_monitor) { @@ -552,20 +457,18 @@ void RigidBody2D::_direct_state_changed(Object *p_state) { } } - _RigidBody2DInOut *toadd = (_RigidBody2DInOut *)alloca(state->get_contact_count() * sizeof(_RigidBody2DInOut)); + _RigidBody2DInOut *toadd = (_RigidBody2DInOut *)alloca(p_state->get_contact_count() * sizeof(_RigidBody2DInOut)); int toadd_count = 0; //state->get_contact_count(); RigidBody2D_RemoveAction *toremove = (RigidBody2D_RemoveAction *)alloca(rc * sizeof(RigidBody2D_RemoveAction)); int toremove_count = 0; //put the ones to add - for (int i = 0; i < state->get_contact_count(); i++) { - RID rid = state->get_contact_collider(i); - ObjectID obj = state->get_contact_collider_id(i); - int local_shape = state->get_contact_local_shape(i); - int shape = state->get_contact_collider_shape(i); - - //bool found=false; + for (int i = 0; i < p_state->get_contact_count(); i++) { + RID rid = p_state->get_contact_collider(i); + ObjectID obj = p_state->get_contact_collider_id(i); + int local_shape = p_state->get_contact_local_shape(i); + int shape = p_state->get_contact_collider_shape(i); Map<ObjectID, BodyState>::Element *E = contact_monitor->body_map.find(obj); if (!E) { @@ -618,8 +521,6 @@ void RigidBody2D::_direct_state_changed(Object *p_state) { contact_monitor->locked = false; } - - state = nullptr; } void RigidBody2D::set_mode(Mode p_mode) { @@ -659,11 +560,53 @@ real_t RigidBody2D::get_mass() const { void RigidBody2D::set_inertia(real_t p_inertia) { ERR_FAIL_COND(p_inertia < 0); - PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_INERTIA, p_inertia); + inertia = p_inertia; + PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_INERTIA, inertia); } real_t RigidBody2D::get_inertia() const { - return PhysicsServer2D::get_singleton()->body_get_param(get_rid(), PhysicsServer2D::BODY_PARAM_INERTIA); + return inertia; +} + +void RigidBody2D::set_center_of_mass_mode(CenterOfMassMode p_mode) { + if (center_of_mass_mode == p_mode) { + return; + } + + center_of_mass_mode = p_mode; + + switch (center_of_mass_mode) { + case CENTER_OF_MASS_MODE_AUTO: { + center_of_mass = Vector2(); + PhysicsServer2D::get_singleton()->body_reset_mass_properties(get_rid()); + if (inertia != 0.0) { + PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_INERTIA, inertia); + } + } break; + + case CENTER_OF_MASS_MODE_CUSTOM: { + PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_CENTER_OF_MASS, center_of_mass); + } break; + } +} + +RigidBody2D::CenterOfMassMode RigidBody2D::get_center_of_mass_mode() const { + return center_of_mass_mode; +} + +void RigidBody2D::set_center_of_mass(const Vector2 &p_center_of_mass) { + if (center_of_mass == p_center_of_mass) { + return; + } + + ERR_FAIL_COND(center_of_mass_mode != CENTER_OF_MASS_MODE_CUSTOM); + center_of_mass = p_center_of_mass; + + PhysicsServer2D::get_singleton()->body_set_param(get_rid(), PhysicsServer2D::BODY_PARAM_CENTER_OF_MASS, center_of_mass); +} + +const Vector2 &RigidBody2D::get_center_of_mass() const { + return center_of_mass; } void RigidBody2D::set_physics_material_override(const Ref<PhysicsMaterial> &p_physics_material_override) { @@ -715,25 +658,15 @@ real_t RigidBody2D::get_angular_damp() const { } void RigidBody2D::set_axis_velocity(const Vector2 &p_axis) { - Vector2 v = state ? state->get_linear_velocity() : linear_velocity; Vector2 axis = p_axis.normalized(); - v -= axis * axis.dot(v); - v += p_axis; - if (state) { - set_linear_velocity(v); - } else { - PhysicsServer2D::get_singleton()->body_set_axis_velocity(get_rid(), p_axis); - linear_velocity = v; - } + linear_velocity -= axis * axis.dot(linear_velocity); + linear_velocity += p_axis; + PhysicsServer2D::get_singleton()->body_set_state(get_rid(), PhysicsServer2D::BODY_STATE_LINEAR_VELOCITY, linear_velocity); } void RigidBody2D::set_linear_velocity(const Vector2 &p_velocity) { linear_velocity = p_velocity; - if (state) { - state->set_linear_velocity(linear_velocity); - } else { - PhysicsServer2D::get_singleton()->body_set_state(get_rid(), PhysicsServer2D::BODY_STATE_LINEAR_VELOCITY, linear_velocity); - } + PhysicsServer2D::get_singleton()->body_set_state(get_rid(), PhysicsServer2D::BODY_STATE_LINEAR_VELOCITY, linear_velocity); } Vector2 RigidBody2D::get_linear_velocity() const { @@ -742,11 +675,7 @@ Vector2 RigidBody2D::get_linear_velocity() const { void RigidBody2D::set_angular_velocity(real_t p_velocity) { angular_velocity = p_velocity; - if (state) { - state->set_angular_velocity(angular_velocity); - } else { - PhysicsServer2D::get_singleton()->body_set_state(get_rid(), PhysicsServer2D::BODY_STATE_ANGULAR_VELOCITY, angular_velocity); - } + PhysicsServer2D::get_singleton()->body_set_state(get_rid(), PhysicsServer2D::BODY_STATE_ANGULAR_VELOCITY, angular_velocity); } real_t RigidBody2D::get_angular_velocity() const { @@ -931,6 +860,12 @@ void RigidBody2D::_bind_methods() { ClassDB::bind_method(D_METHOD("get_inertia"), &RigidBody2D::get_inertia); ClassDB::bind_method(D_METHOD("set_inertia", "inertia"), &RigidBody2D::set_inertia); + ClassDB::bind_method(D_METHOD("set_center_of_mass_mode", "mode"), &RigidBody2D::set_center_of_mass_mode); + ClassDB::bind_method(D_METHOD("get_center_of_mass_mode"), &RigidBody2D::get_center_of_mass_mode); + + ClassDB::bind_method(D_METHOD("set_center_of_mass", "center_of_mass"), &RigidBody2D::set_center_of_mass); + ClassDB::bind_method(D_METHOD("get_center_of_mass"), &RigidBody2D::get_center_of_mass); + ClassDB::bind_method(D_METHOD("set_physics_material_override", "physics_material_override"), &RigidBody2D::set_physics_material_override); ClassDB::bind_method(D_METHOD("get_physics_material_override"), &RigidBody2D::get_physics_material_override); @@ -984,11 +919,14 @@ void RigidBody2D::_bind_methods() { ClassDB::bind_method(D_METHOD("get_colliding_bodies"), &RigidBody2D::get_colliding_bodies); - BIND_VMETHOD(MethodInfo("_integrate_forces", PropertyInfo(Variant::OBJECT, "state", PROPERTY_HINT_RESOURCE_TYPE, "PhysicsDirectBodyState2D"))); + GDVIRTUAL_BIND(_integrate_forces, "state"); ADD_PROPERTY(PropertyInfo(Variant::INT, "mode", PROPERTY_HINT_ENUM, "Dynamic,Static,DynamicLocked,Kinematic"), "set_mode", "get_mode"); - ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "mass", PROPERTY_HINT_RANGE, "0.01,65535,0.01,exp"), "set_mass", "get_mass"); - ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "inertia", PROPERTY_HINT_RANGE, "0.01,65535,0.01,exp", PROPERTY_USAGE_NONE), "set_inertia", "get_inertia"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "mass", PROPERTY_HINT_RANGE, "0.01,1000,0.01,or_greater,exp"), "set_mass", "get_mass"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "inertia", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater,exp"), "set_inertia", "get_inertia"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "center_of_mass_mode", PROPERTY_HINT_ENUM, "Auto,Custom", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), "set_center_of_mass_mode", "get_center_of_mass_mode"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "center_of_mass", PROPERTY_HINT_RANGE, "-10,10,0.01,or_lesser,or_greater"), "set_center_of_mass", "get_center_of_mass"); + ADD_LINKED_PROPERTY("center_of_mass_mode", "center_of_mass"); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "physics_material_override", PROPERTY_HINT_RESOURCE_TYPE, "PhysicsMaterial"), "set_physics_material_override", "get_physics_material_override"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "gravity_scale", PROPERTY_HINT_RANGE, "-128,128,0.01"), "set_gravity_scale", "get_gravity_scale"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "custom_integrator"), "set_use_custom_integrator", "is_using_custom_integrator"); @@ -1018,14 +956,25 @@ void RigidBody2D::_bind_methods() { BIND_ENUM_CONSTANT(MODE_DYNAMIC_LOCKED); BIND_ENUM_CONSTANT(MODE_KINEMATIC); + BIND_ENUM_CONSTANT(CENTER_OF_MASS_MODE_AUTO); + BIND_ENUM_CONSTANT(CENTER_OF_MASS_MODE_CUSTOM); + BIND_ENUM_CONSTANT(CCD_MODE_DISABLED); BIND_ENUM_CONSTANT(CCD_MODE_CAST_RAY); BIND_ENUM_CONSTANT(CCD_MODE_CAST_SHAPE); } +void RigidBody2D::_validate_property(PropertyInfo &property) const { + if (center_of_mass_mode != CENTER_OF_MASS_MODE_CUSTOM) { + if (property.name == "center_of_mass") { + property.usage = PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL; + } + } +} + RigidBody2D::RigidBody2D() : PhysicsBody2D(PhysicsServer2D::BODY_MODE_DYNAMIC) { - PhysicsServer2D::get_singleton()->body_set_force_integration_callback(get_rid(), callable_mp(this, &RigidBody2D::_direct_state_changed)); + PhysicsServer2D::get_singleton()->body_set_state_sync_callback(get_rid(), this, _body_state_changed_callback); } RigidBody2D::~RigidBody2D() { @@ -1046,199 +995,321 @@ void RigidBody2D::_reload_physics_characteristics() { ////////////////////////// -//so, if you pass 45 as limit, avoid numerical precision errors when angle is 45. +// So, if you pass 45 as limit, avoid numerical precision errors when angle is 45. #define FLOOR_ANGLE_THRESHOLD 0.01 -void CharacterBody2D::move_and_slide() { - Vector2 body_velocity_normal = linear_velocity.normalized(); - bool was_on_floor = on_floor; - - // Hack in order to work with calling from _process as well as from _physics_process; calling from thread is risky - float delta = Engine::get_singleton()->is_in_physics_frame() ? get_physics_process_delta_time() : get_process_delta_time(); +bool CharacterBody2D::move_and_slide() { + // Hack in order to work with calling from _process as well as from _physics_process; calling from thread is risky. + double delta = Engine::get_singleton()->is_in_physics_frame() ? get_physics_process_delta_time() : get_process_delta_time(); - Vector2 current_floor_velocity = floor_velocity; + Vector2 current_platform_velocity = platform_velocity; - if ((on_floor || on_wall) && on_floor_body.is_valid()) { - //this approach makes sure there is less delay between the actual body velocity and the one we saved - PhysicsDirectBodyState2D *bs = PhysicsServer2D::get_singleton()->body_get_direct_state(on_floor_body); - if (bs) { - current_floor_velocity = bs->get_linear_velocity(); + if ((on_floor || on_wall) && platform_rid.is_valid()) { + bool excluded = false; + if (on_floor) { + excluded = (moving_platform_floor_layers & platform_layer) == 0; + } else if (on_wall) { + excluded = (moving_platform_wall_layers & platform_layer) == 0; + } + if (!excluded) { + //this approach makes sure there is less delay between the actual body velocity and the one we saved + PhysicsDirectBodyState2D *bs = PhysicsServer2D::get_singleton()->body_get_direct_state(platform_rid); + if (bs) { + Transform2D gt = get_global_transform(); + Vector2 local_position = gt.elements[2] - bs->get_transform().elements[2]; + current_platform_velocity = bs->get_velocity_at_local_position(local_position); + } + } else { + current_platform_velocity = Vector2(); } } motion_results.clear(); + + bool was_on_floor = on_floor; on_floor = false; on_ceiling = false; on_wall = false; - floor_normal = Vector2(); - floor_velocity = Vector2(); - if (current_floor_velocity != Vector2()) { + if (!current_platform_velocity.is_equal_approx(Vector2())) { PhysicsServer2D::MotionResult floor_result; Set<RID> exclude; - exclude.insert(on_floor_body); - if (move_and_collide(current_floor_velocity * delta, infinite_inertia, floor_result, true, false, false, false, exclude)) { + exclude.insert(platform_rid); + if (move_and_collide(current_platform_velocity * delta, floor_result, margin, false, false, false, exclude)) { motion_results.push_back(floor_result); _set_collision_direction(floor_result); } } - on_floor_body = RID(); - Vector2 motion = linear_velocity * delta; + if (motion_mode == MOTION_MODE_GROUNDED) { + _move_and_slide_grounded(delta, was_on_floor, current_platform_velocity); + } else { + _move_and_slide_free(delta); + } + + if (!on_floor && !on_wall) { + // Add last platform velocity when just left a moving platform. + linear_velocity += current_platform_velocity; + } + + return motion_results.size() > 0; +} + +void CharacterBody2D::_move_and_slide_grounded(double p_delta, bool p_was_on_floor, const Vector2 &p_prev_platform_velocity) { + Vector2 motion = linear_velocity * p_delta; + Vector2 motion_slide_up = motion.slide(up_direction); + + Vector2 prev_floor_normal = floor_normal; + RID prev_platform_rid = platform_rid; + int prev_platform_layer = platform_layer; + + platform_rid = RID(); + floor_normal = Vector2(); + platform_velocity = Vector2(); // No sliding on first attempt to keep floor motion stable when possible, - // when stop on slope is enabled. - bool sliding_enabled = !stop_on_slope; + // When stop on slope is enabled or when there is no up direction. + bool sliding_enabled = !floor_stop_on_slope; + // Constant speed can be applied only the first time sliding is enabled. + bool can_apply_constant_speed = sliding_enabled; + bool first_slide = true; + bool vel_dir_facing_up = linear_velocity.dot(up_direction) > 0; + Vector2 last_travel; for (int iteration = 0; iteration < max_slides; ++iteration) { PhysicsServer2D::MotionResult result; - bool found_collision = false; - - for (int i = 0; i < 2; ++i) { - bool collided; - if (i == 0) { //collide - collided = move_and_collide(motion, infinite_inertia, result, margin, true, false, !sliding_enabled); - if (!collided) { - motion = Vector2(); //clear because no collision happened and motion completed - } - } else { //separate raycasts (if any) - collided = separate_raycast_shapes(result); - if (collided) { - result.remainder = motion; //keep - result.motion = Vector2(); + + Vector2 prev_position = get_global_transform().elements[2]; + + bool collided = move_and_collide(motion, result, margin, false, !sliding_enabled); + + if (collided) { + motion_results.push_back(result); + _set_collision_direction(result); + + if (on_floor && floor_stop_on_slope && (linear_velocity.normalized() + up_direction).length() < 0.01) { + Transform2D gt = get_global_transform(); + if (result.travel.length() > margin) { + gt.elements[2] -= result.travel.slide(up_direction); + } else { + gt.elements[2] -= result.travel; } + set_global_transform(gt); + linear_velocity = Vector2(); + motion = Vector2(); + break; } - if (collided) { - found_collision = true; - - motion_results.push_back(result); - _set_collision_direction(result); + if (result.remainder.is_equal_approx(Vector2())) { + motion = Vector2(); + break; + } - if (on_floor && stop_on_slope) { - if ((body_velocity_normal + up_direction).length() < 0.01) { + // Move on floor only checks. + if (floor_block_on_wall && on_wall && motion_slide_up.dot(result.collision_normal) <= 0) { + // Avoid to move forward on a wall if floor_block_on_wall is true. + if (p_was_on_floor && !on_floor && !vel_dir_facing_up) { + // If the movement is large the body can be prevented from reaching the walls. + if (result.travel.length() <= margin) { + // Cancels the motion. Transform2D gt = get_global_transform(); - if (result.motion.length() > margin) { - gt.elements[2] -= result.motion.slide(up_direction); - } else { - gt.elements[2] -= result.motion; - } + gt.elements[2] -= result.travel; set_global_transform(gt); - linear_velocity = Vector2(); - return; } + on_floor = true; + platform_rid = prev_platform_rid; + platform_layer = prev_platform_layer; + platform_velocity = p_prev_platform_velocity; + floor_normal = prev_floor_normal; + linear_velocity = Vector2(); + motion = Vector2(); + break; } - - if (sliding_enabled || !on_floor) { - motion = result.remainder.slide(result.collision_normal); - linear_velocity = linear_velocity.slide(result.collision_normal); + // Prevents the body from being able to climb a slope when it moves forward against the wall. + else if (!on_floor) { + motion = up_direction * up_direction.dot(result.remainder); + motion = motion.slide(result.collision_normal); } else { motion = result.remainder; } } + // Constant Speed when the slope is upward. + else if (floor_constant_speed && is_on_floor_only() && can_apply_constant_speed && p_was_on_floor && motion.dot(result.collision_normal) < 0) { + can_apply_constant_speed = false; + Vector2 motion_slide_norm = result.remainder.slide(result.collision_normal).normalized(); + motion = motion_slide_norm * (motion_slide_up.length() - result.travel.slide(up_direction).length() - last_travel.slide(up_direction).length()); + } + // Regular sliding, the last part of the test handle the case when you don't want to slide on the ceiling. + else if ((sliding_enabled || !on_floor) && (!on_ceiling || slide_on_ceiling || !vel_dir_facing_up)) { + Vector2 slide_motion = result.remainder.slide(result.collision_normal); + if (slide_motion.dot(linear_velocity) > 0.0) { + motion = slide_motion; + } else { + motion = Vector2(); + } + if (slide_on_ceiling && on_ceiling) { + // Apply slide only in the direction of the input motion, otherwise just stop to avoid jittering when moving against a wall. + if (vel_dir_facing_up) { + linear_velocity = linear_velocity.slide(result.collision_normal); + } else { + // Avoid acceleration in slope when falling. + linear_velocity = up_direction * up_direction.dot(linear_velocity); + } + } + } + // No sliding on first attempt to keep floor motion stable when possible. + else { + motion = result.remainder; + if (on_ceiling && !slide_on_ceiling && vel_dir_facing_up) { + linear_velocity = linear_velocity.slide(up_direction); + motion = motion.slide(up_direction); + } + } + last_travel = result.travel; + } + // When you move forward in a downward slope you don’t collide because you will be in the air. + // This test ensures that constant speed is applied, only if the player is still on the ground after the snap is applied. + else if (floor_constant_speed && first_slide && _on_floor_if_snapped(p_was_on_floor, vel_dir_facing_up)) { + can_apply_constant_speed = false; sliding_enabled = true; + Transform2D gt = get_global_transform(); + gt.elements[2] = prev_position; + set_global_transform(gt); + + Vector2 motion_slide_norm = motion.slide(prev_floor_normal).normalized(); + motion = motion_slide_norm * (motion_slide_up.length()); + collided = true; } - if (!found_collision || motion == Vector2()) { + can_apply_constant_speed = !can_apply_constant_speed && !sliding_enabled; + sliding_enabled = true; + first_slide = false; + + if (!collided || motion.is_equal_approx(Vector2())) { break; } } - if (!on_floor && !on_wall) { - // Add last platform velocity when just left a moving platform. - linear_velocity += current_floor_velocity; + _snap_on_floor(p_was_on_floor, vel_dir_facing_up); + + // Reset the gravity accumulation when touching the ground. + if (on_floor && !vel_dir_facing_up) { + linear_velocity = linear_velocity.slide(up_direction); + } +} + +void CharacterBody2D::_move_and_slide_free(double p_delta) { + Vector2 motion = linear_velocity * p_delta; + + platform_rid = RID(); + floor_normal = Vector2(); + platform_velocity = Vector2(); + + bool first_slide = true; + for (int iteration = 0; iteration < max_slides; ++iteration) { + PhysicsServer2D::MotionResult result; + + bool collided = move_and_collide(motion, result, margin, false, false); + + if (collided) { + motion_results.push_back(result); + _set_collision_direction(result); + + if (free_mode_min_slide_angle != 0 && result.get_angle(-linear_velocity.normalized()) < free_mode_min_slide_angle + FLOOR_ANGLE_THRESHOLD) { + motion = Vector2(); + } else if (first_slide) { + Vector2 motion_slide_norm = result.remainder.slide(result.collision_normal).normalized(); + motion = motion_slide_norm * (motion.length() - result.travel.length()); + } else { + motion = result.remainder.slide(result.collision_normal); + } + + if (motion.dot(linear_velocity) <= 0.0) { + motion = Vector2(); + } + } + + first_slide = false; + + if (!collided || motion.is_equal_approx(Vector2())) { + break; + } } +} - if (!was_on_floor || snap == Vector2()) { +void CharacterBody2D::_snap_on_floor(bool was_on_floor, bool vel_dir_facing_up) { + if (Math::is_equal_approx(floor_snap_length, 0) || on_floor || !was_on_floor || vel_dir_facing_up) { return; } - // Apply snap. Transform2D gt = get_global_transform(); PhysicsServer2D::MotionResult result; - if (move_and_collide(snap, infinite_inertia, result, margin, false, true, false)) { + if (move_and_collide(up_direction * -floor_snap_length, result, margin, true, false, true)) { bool apply = true; - if (up_direction != Vector2()) { - if (Math::acos(result.collision_normal.dot(up_direction)) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) { - on_floor = true; - floor_normal = result.collision_normal; - on_floor_body = result.collider; - floor_velocity = result.collider_velocity; - if (stop_on_slope) { - // move and collide may stray the object a bit because of pre un-stucking, - // so only ensure that motion happens on floor direction in this case. - if (result.motion.length() > margin) { - result.motion = up_direction * up_direction.dot(result.motion); - } else { - result.motion = Vector2(); - } + if (result.get_angle(up_direction) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) { + on_floor = true; + floor_normal = result.collision_normal; + _set_platform_data(result); + + if (floor_stop_on_slope) { + // move and collide may stray the object a bit because of pre un-stucking, + // so only ensure that motion happens on floor direction in this case. + if (result.travel.length() > margin) { + result.travel = up_direction * up_direction.dot(result.travel); + } else { + result.travel = Vector2(); } - } else { - apply = false; } + } else { + apply = false; } if (apply) { - gt.elements[2] += result.motion; + gt.elements[2] += result.travel; set_global_transform(gt); } } } -void CharacterBody2D::_set_collision_direction(const PhysicsServer2D::MotionResult &p_result) { - if (up_direction == Vector2()) { - //all is a wall - on_wall = true; - } else { - if (Math::acos(p_result.collision_normal.dot(up_direction)) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) { //floor - on_floor = true; - floor_normal = p_result.collision_normal; - on_floor_body = p_result.collider; - floor_velocity = p_result.collider_velocity; - } else if (Math::acos(p_result.collision_normal.dot(-up_direction)) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) { //ceiling - on_ceiling = true; - } else { - on_wall = true; - on_floor_body = p_result.collider; - floor_velocity = p_result.collider_velocity; - } +bool CharacterBody2D::_on_floor_if_snapped(bool was_on_floor, bool vel_dir_facing_up) { + if (Math::is_equal_approx(floor_snap_length, 0) || up_direction == Vector2() || on_floor || !was_on_floor || vel_dir_facing_up) { + return false; } -} -bool CharacterBody2D::separate_raycast_shapes(PhysicsServer2D::MotionResult &r_result) { - PhysicsServer2D::SeparationResult sep_res[8]; //max 8 rays + PhysicsServer2D::MotionResult result; + if (move_and_collide(up_direction * -floor_snap_length, result, margin, true, false, true)) { + if (result.get_angle(up_direction) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) { + return true; + } + } - Transform2D gt = get_global_transform(); + return false; +} - Vector2 recover; - int hits = PhysicsServer2D::get_singleton()->body_test_ray_separation(get_rid(), gt, infinite_inertia, recover, sep_res, 8, margin); - int deepest = -1; - real_t deepest_depth; - for (int i = 0; i < hits; i++) { - if (deepest == -1 || sep_res[i].collision_depth > deepest_depth) { - deepest = i; - deepest_depth = sep_res[i].collision_depth; +void CharacterBody2D::_set_collision_direction(const PhysicsServer2D::MotionResult &p_result) { + if (motion_mode == MOTION_MODE_GROUNDED && p_result.get_angle(up_direction) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) { //floor + on_floor = true; + floor_normal = p_result.collision_normal; + _set_platform_data(p_result); + } else if (motion_mode == MOTION_MODE_GROUNDED && p_result.get_angle(-up_direction) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) { //ceiling + on_ceiling = true; + } else { + on_wall = true; + // Don't apply wall velocity when the collider is a CharacterBody2D. + if (Object::cast_to<CharacterBody2D>(ObjectDB::get_instance(p_result.collider_id)) == nullptr) { + _set_platform_data(p_result); } } +} - gt.elements[2] += recover; - set_global_transform(gt); - - if (deepest != -1) { - r_result.collider_id = sep_res[deepest].collider_id; - r_result.collider_metadata = sep_res[deepest].collider_metadata; - r_result.collider_shape = sep_res[deepest].collider_shape; - r_result.collider_velocity = sep_res[deepest].collider_velocity; - r_result.collision_point = sep_res[deepest].collision_point; - r_result.collision_normal = sep_res[deepest].collision_normal; - r_result.collision_local_shape = sep_res[deepest].collision_local_shape; - r_result.motion = recover; - r_result.remainder = Vector2(); - - return true; - } else { - return false; +void CharacterBody2D::_set_platform_data(const PhysicsServer2D::MotionResult &p_result) { + platform_rid = p_result.collider; + platform_velocity = p_result.collider_velocity; + platform_layer = 0; + CollisionObject2D *collision_object = Object::cast_to<CollisionObject2D>(ObjectDB::get_instance(p_result.collider_id)); + if (collision_object) { + platform_layer = collision_object->get_collision_layer(); } } @@ -1254,23 +1325,40 @@ bool CharacterBody2D::is_on_floor() const { return on_floor; } +bool CharacterBody2D::is_on_floor_only() const { + return on_floor && !on_wall && !on_ceiling; +} + bool CharacterBody2D::is_on_wall() const { return on_wall; } +bool CharacterBody2D::is_on_wall_only() const { + return on_wall && !on_floor && !on_ceiling; +} + bool CharacterBody2D::is_on_ceiling() const { return on_ceiling; } +bool CharacterBody2D::is_on_ceiling_only() const { + return on_ceiling && !on_floor && !on_wall; +} + Vector2 CharacterBody2D::get_floor_normal() const { return floor_normal; } -Vector2 CharacterBody2D::get_floor_velocity() const { - return floor_velocity; +real_t CharacterBody2D::get_floor_angle(const Vector2 &p_up_direction) const { + ERR_FAIL_COND_V(p_up_direction == Vector2(), 0); + return Math::acos(floor_normal.dot(p_up_direction)); } -int CharacterBody2D::get_slide_count() const { +Vector2 CharacterBody2D::get_platform_velocity() const { + return platform_velocity; +} + +int CharacterBody2D::get_slide_collision_count() const { return motion_results.size(); } @@ -1294,6 +1382,13 @@ Ref<KinematicCollision2D> CharacterBody2D::_get_slide_collision(int p_bounce) { return slide_colliders[p_bounce]; } +Ref<KinematicCollision2D> CharacterBody2D::_get_last_slide_collision() { + if (motion_results.size() == 0) { + return Ref<KinematicCollision2D>(); + } + return _get_slide_collision(motion_results.size() - 1); +} + void CharacterBody2D::set_safe_margin(real_t p_margin) { margin = p_margin; } @@ -1302,19 +1397,60 @@ real_t CharacterBody2D::get_safe_margin() const { return margin; } -bool CharacterBody2D::is_stop_on_slope_enabled() const { - return stop_on_slope; +bool CharacterBody2D::is_floor_stop_on_slope_enabled() const { + return floor_stop_on_slope; } -void CharacterBody2D::set_stop_on_slope_enabled(bool p_enabled) { - stop_on_slope = p_enabled; +void CharacterBody2D::set_floor_stop_on_slope_enabled(bool p_enabled) { + floor_stop_on_slope = p_enabled; } -bool CharacterBody2D::is_infinite_inertia_enabled() const { - return infinite_inertia; +bool CharacterBody2D::is_floor_constant_speed_enabled() const { + return floor_constant_speed; } -void CharacterBody2D::set_infinite_inertia_enabled(bool p_enabled) { - infinite_inertia = p_enabled; + +void CharacterBody2D::set_floor_constant_speed_enabled(bool p_enabled) { + floor_constant_speed = p_enabled; +} + +bool CharacterBody2D::is_floor_block_on_wall_enabled() const { + return floor_block_on_wall; +} + +void CharacterBody2D::set_floor_block_on_wall_enabled(bool p_enabled) { + floor_block_on_wall = p_enabled; +} + +bool CharacterBody2D::is_slide_on_ceiling_enabled() const { + return slide_on_ceiling; +} + +void CharacterBody2D::set_slide_on_ceiling_enabled(bool p_enabled) { + slide_on_ceiling = p_enabled; +} + +uint32_t CharacterBody2D::get_moving_platform_floor_layers() const { + return moving_platform_floor_layers; +} + +void CharacterBody2D::set_moving_platform_floor_layers(uint32_t p_exclude_layers) { + moving_platform_floor_layers = p_exclude_layers; +} + +uint32_t CharacterBody2D::get_moving_platform_wall_layers() const { + return moving_platform_wall_layers; +} + +void CharacterBody2D::set_moving_platform_wall_layers(uint32_t p_exclude_layers) { + moving_platform_wall_layers = p_exclude_layers; +} + +void CharacterBody2D::set_motion_mode(MotionMode p_mode) { + motion_mode = p_mode; +} + +CharacterBody2D::MotionMode CharacterBody2D::get_motion_mode() const { + return motion_mode; } int CharacterBody2D::get_max_slides() const { @@ -1334,12 +1470,21 @@ void CharacterBody2D::set_floor_max_angle(real_t p_radians) { floor_max_angle = p_radians; } -const Vector2 &CharacterBody2D::get_snap() const { - return snap; +real_t CharacterBody2D::get_floor_snap_length() { + return floor_snap_length; +} + +void CharacterBody2D::set_floor_snap_length(real_t p_floor_snap_length) { + ERR_FAIL_COND(p_floor_snap_length < 0); + floor_snap_length = p_floor_snap_length; } -void CharacterBody2D::set_snap(const Vector2 &p_snap) { - snap = p_snap; +real_t CharacterBody2D::get_free_mode_min_slide_angle() const { + return free_mode_min_slide_angle; +} + +void CharacterBody2D::set_free_mode_min_slide_angle(real_t p_radians) { + free_mode_min_slide_angle = p_radians; } const Vector2 &CharacterBody2D::get_up_direction() const { @@ -1347,6 +1492,7 @@ const Vector2 &CharacterBody2D::get_up_direction() const { } void CharacterBody2D::set_up_direction(const Vector2 &p_up_direction) { + ERR_FAIL_COND_MSG(p_up_direction == Vector2(), "up_direction can't be equal to Vector2.ZERO, consider using Free motion mode instead."); up_direction = p_up_direction.normalized(); } @@ -1355,11 +1501,11 @@ void CharacterBody2D::_notification(int p_what) { case NOTIFICATION_ENTER_TREE: { // Reset move_and_slide() data. on_floor = false; - on_floor_body = RID(); + platform_rid = RID(); on_ceiling = false; on_wall = false; motion_results.clear(); - floor_velocity = Vector2(); + platform_velocity = Vector2(); } break; } } @@ -1372,36 +1518,78 @@ void CharacterBody2D::_bind_methods() { ClassDB::bind_method(D_METHOD("set_safe_margin", "pixels"), &CharacterBody2D::set_safe_margin); ClassDB::bind_method(D_METHOD("get_safe_margin"), &CharacterBody2D::get_safe_margin); - ClassDB::bind_method(D_METHOD("is_stop_on_slope_enabled"), &CharacterBody2D::is_stop_on_slope_enabled); - ClassDB::bind_method(D_METHOD("set_stop_on_slope_enabled", "enabled"), &CharacterBody2D::set_stop_on_slope_enabled); - ClassDB::bind_method(D_METHOD("is_infinite_inertia_enabled"), &CharacterBody2D::is_infinite_inertia_enabled); - ClassDB::bind_method(D_METHOD("set_infinite_inertia_enabled", "enabled"), &CharacterBody2D::set_infinite_inertia_enabled); + ClassDB::bind_method(D_METHOD("is_floor_stop_on_slope_enabled"), &CharacterBody2D::is_floor_stop_on_slope_enabled); + ClassDB::bind_method(D_METHOD("set_floor_stop_on_slope_enabled", "enabled"), &CharacterBody2D::set_floor_stop_on_slope_enabled); + ClassDB::bind_method(D_METHOD("set_floor_constant_speed_enabled", "enabled"), &CharacterBody2D::set_floor_constant_speed_enabled); + ClassDB::bind_method(D_METHOD("is_floor_constant_speed_enabled"), &CharacterBody2D::is_floor_constant_speed_enabled); + ClassDB::bind_method(D_METHOD("set_floor_block_on_wall_enabled", "enabled"), &CharacterBody2D::set_floor_block_on_wall_enabled); + ClassDB::bind_method(D_METHOD("is_floor_block_on_wall_enabled"), &CharacterBody2D::is_floor_block_on_wall_enabled); + ClassDB::bind_method(D_METHOD("set_slide_on_ceiling_enabled", "enabled"), &CharacterBody2D::set_slide_on_ceiling_enabled); + ClassDB::bind_method(D_METHOD("is_slide_on_ceiling_enabled"), &CharacterBody2D::is_slide_on_ceiling_enabled); + + ClassDB::bind_method(D_METHOD("set_moving_platform_floor_layers", "exclude_layer"), &CharacterBody2D::set_moving_platform_floor_layers); + ClassDB::bind_method(D_METHOD("get_moving_platform_floor_layers"), &CharacterBody2D::get_moving_platform_floor_layers); + ClassDB::bind_method(D_METHOD("set_moving_platform_wall_layers", "exclude_layer"), &CharacterBody2D::set_moving_platform_wall_layers); + ClassDB::bind_method(D_METHOD("get_moving_platform_wall_layers"), &CharacterBody2D::get_moving_platform_wall_layers); + ClassDB::bind_method(D_METHOD("get_max_slides"), &CharacterBody2D::get_max_slides); ClassDB::bind_method(D_METHOD("set_max_slides", "max_slides"), &CharacterBody2D::set_max_slides); ClassDB::bind_method(D_METHOD("get_floor_max_angle"), &CharacterBody2D::get_floor_max_angle); ClassDB::bind_method(D_METHOD("set_floor_max_angle", "radians"), &CharacterBody2D::set_floor_max_angle); - ClassDB::bind_method(D_METHOD("get_snap"), &CharacterBody2D::get_snap); - ClassDB::bind_method(D_METHOD("set_snap", "snap"), &CharacterBody2D::set_snap); + ClassDB::bind_method(D_METHOD("get_floor_snap_length"), &CharacterBody2D::get_floor_snap_length); + ClassDB::bind_method(D_METHOD("set_floor_snap_length", "floor_snap_length"), &CharacterBody2D::set_floor_snap_length); + ClassDB::bind_method(D_METHOD("get_free_mode_min_slide_angle"), &CharacterBody2D::get_free_mode_min_slide_angle); + ClassDB::bind_method(D_METHOD("set_free_mode_min_slide_angle", "radians"), &CharacterBody2D::set_free_mode_min_slide_angle); ClassDB::bind_method(D_METHOD("get_up_direction"), &CharacterBody2D::get_up_direction); ClassDB::bind_method(D_METHOD("set_up_direction", "up_direction"), &CharacterBody2D::set_up_direction); + ClassDB::bind_method(D_METHOD("set_motion_mode", "mode"), &CharacterBody2D::set_motion_mode); + ClassDB::bind_method(D_METHOD("get_motion_mode"), &CharacterBody2D::get_motion_mode); ClassDB::bind_method(D_METHOD("is_on_floor"), &CharacterBody2D::is_on_floor); + ClassDB::bind_method(D_METHOD("is_on_floor_only"), &CharacterBody2D::is_on_floor_only); ClassDB::bind_method(D_METHOD("is_on_ceiling"), &CharacterBody2D::is_on_ceiling); + ClassDB::bind_method(D_METHOD("is_on_ceiling_only"), &CharacterBody2D::is_on_ceiling_only); ClassDB::bind_method(D_METHOD("is_on_wall"), &CharacterBody2D::is_on_wall); + ClassDB::bind_method(D_METHOD("is_on_wall_only"), &CharacterBody2D::is_on_wall_only); ClassDB::bind_method(D_METHOD("get_floor_normal"), &CharacterBody2D::get_floor_normal); - ClassDB::bind_method(D_METHOD("get_floor_velocity"), &CharacterBody2D::get_floor_velocity); - ClassDB::bind_method(D_METHOD("get_slide_count"), &CharacterBody2D::get_slide_count); + ClassDB::bind_method(D_METHOD("get_floor_angle", "up_direction"), &CharacterBody2D::get_floor_angle, DEFVAL(Vector2(0.0, -1.0))); + ClassDB::bind_method(D_METHOD("get_platform_velocity"), &CharacterBody2D::get_platform_velocity); + ClassDB::bind_method(D_METHOD("get_slide_collision_count"), &CharacterBody2D::get_slide_collision_count); ClassDB::bind_method(D_METHOD("get_slide_collision", "slide_idx"), &CharacterBody2D::_get_slide_collision); + ClassDB::bind_method(D_METHOD("get_last_slide_collision"), &CharacterBody2D::_get_last_slide_collision); + ADD_PROPERTY(PropertyInfo(Variant::INT, "motion_mode", PROPERTY_HINT_ENUM, "Grounded,Free", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), "set_motion_mode", "get_motion_mode"); ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "linear_velocity"), "set_linear_velocity", "get_linear_velocity"); - ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stop_on_slope"), "set_stop_on_slope_enabled", "is_stop_on_slope_enabled"); - ADD_PROPERTY(PropertyInfo(Variant::BOOL, "infinite_inertia"), "set_infinite_inertia_enabled", "is_infinite_inertia_enabled"); - ADD_PROPERTY(PropertyInfo(Variant::INT, "max_slides", PROPERTY_HINT_RANGE, "1,8,1,or_greater"), "set_max_slides", "get_max_slides"); - ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "floor_max_angle", PROPERTY_HINT_RANGE, "0,180,0.1"), "set_floor_max_angle", "get_floor_max_angle"); - ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "snap"), "set_snap", "get_snap"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "slide_on_ceiling"), "set_slide_on_ceiling_enabled", "is_slide_on_ceiling_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "max_slides", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_max_slides", "get_max_slides"); ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "up_direction"), "set_up_direction", "get_up_direction"); - + ADD_GROUP("Free Mode", "free_mode_"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "free_mode_min_slide_angle", PROPERTY_HINT_RANGE, "0,180,0.1,radians", PROPERTY_USAGE_DEFAULT), "set_free_mode_min_slide_angle", "get_free_mode_min_slide_angle"); + ADD_GROUP("Floor", "floor_"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "floor_stop_on_slope"), "set_floor_stop_on_slope_enabled", "is_floor_stop_on_slope_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "floor_constant_speed"), "set_floor_constant_speed_enabled", "is_floor_constant_speed_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "floor_block_on_wall"), "set_floor_block_on_wall_enabled", "is_floor_block_on_wall_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "floor_max_angle", PROPERTY_HINT_RANGE, "0,180,0.1,radians"), "set_floor_max_angle", "get_floor_max_angle"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "floor_snap_length", PROPERTY_HINT_RANGE, "0,1000,0.1"), "set_floor_snap_length", "get_floor_snap_length"); + ADD_GROUP("Moving platform", "moving_platform"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "moving_platform_floor_layers", PROPERTY_HINT_LAYERS_2D_PHYSICS), "set_moving_platform_floor_layers", "get_moving_platform_floor_layers"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "moving_platform_wall_layers", PROPERTY_HINT_LAYERS_2D_PHYSICS), "set_moving_platform_wall_layers", "get_moving_platform_wall_layers"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "collision/safe_margin", PROPERTY_HINT_RANGE, "0.001,256,0.001"), "set_safe_margin", "get_safe_margin"); + + BIND_ENUM_CONSTANT(MOTION_MODE_GROUNDED); + BIND_ENUM_CONSTANT(MOTION_MODE_FREE); +} + +void CharacterBody2D::_validate_property(PropertyInfo &property) const { + if (motion_mode == MOTION_MODE_FREE) { + if (property.name.begins_with("floor_") || property.name == "up_direction" || property.name == "slide_on_ceiling") { + property.usage = PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL; + } + } else { + if (property.name == "free_mode_min_slide_angle") { + property.usage = PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL; + } + } } CharacterBody2D::CharacterBody2D() : @@ -1427,13 +1615,18 @@ Vector2 KinematicCollision2D::get_normal() const { } Vector2 KinematicCollision2D::get_travel() const { - return result.motion; + return result.travel; } Vector2 KinematicCollision2D::get_remainder() const { return result.remainder; } +real_t KinematicCollision2D::get_angle(const Vector2 &p_up_direction) const { + ERR_FAIL_COND_V(p_up_direction == Vector2(), 0); + return result.get_angle(p_up_direction); +} + Object *KinematicCollision2D::get_local_shape() const { if (!owner) { return nullptr; @@ -1488,6 +1681,7 @@ void KinematicCollision2D::_bind_methods() { ClassDB::bind_method(D_METHOD("get_normal"), &KinematicCollision2D::get_normal); ClassDB::bind_method(D_METHOD("get_travel"), &KinematicCollision2D::get_travel); ClassDB::bind_method(D_METHOD("get_remainder"), &KinematicCollision2D::get_remainder); + ClassDB::bind_method(D_METHOD("get_angle", "up_direction"), &KinematicCollision2D::get_angle, DEFVAL(Vector2(0.0, -1.0))); ClassDB::bind_method(D_METHOD("get_local_shape"), &KinematicCollision2D::get_local_shape); ClassDB::bind_method(D_METHOD("get_collider"), &KinematicCollision2D::get_collider); ClassDB::bind_method(D_METHOD("get_collider_id"), &KinematicCollision2D::get_collider_id); |