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113 lines
7.1 KiB
C++
113 lines
7.1 KiB
C++
/**************************************************************************/
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/* jolt_custom_double_sided_shape.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 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 "jolt_custom_double_sided_shape.h"
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#include "../jolt_project_settings.h"
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#include "core/error/error_macros.h"
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#include "Jolt/Physics/Collision/CollisionDispatch.h"
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#include "Jolt/Physics/Collision/RayCast.h"
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namespace {
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JPH::Shape *construct_double_sided() {
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return new JoltCustomDoubleSidedShape();
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}
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void collide_double_sided_vs_shape(const JPH::Shape *p_shape1, const JPH::Shape *p_shape2, JPH::Vec3Arg p_scale1, JPH::Vec3Arg p_scale2, JPH::Mat44Arg p_center_of_mass_transform1, JPH::Mat44Arg p_center_of_mass_transform2, const JPH::SubShapeIDCreator &p_sub_shape_id_creator1, const JPH::SubShapeIDCreator &p_sub_shape_id_creator2, const JPH::CollideShapeSettings &p_collide_shape_settings, JPH::CollideShapeCollector &p_collector, const JPH::ShapeFilter &p_shape_filter) {
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ERR_FAIL_COND(p_shape1->GetSubType() != JoltCustomShapeSubType::DOUBLE_SIDED);
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const JoltCustomDoubleSidedShape *shape1 = static_cast<const JoltCustomDoubleSidedShape *>(p_shape1);
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JPH::CollideShapeSettings new_collide_shape_settings = p_collide_shape_settings;
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new_collide_shape_settings.mBackFaceMode = JPH::EBackFaceMode::CollideWithBackFaces;
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JPH::CollisionDispatch::sCollideShapeVsShape(shape1->GetInnerShape(), p_shape2, p_scale1, p_scale2, p_center_of_mass_transform1, p_center_of_mass_transform2, p_sub_shape_id_creator1, p_sub_shape_id_creator2, new_collide_shape_settings, p_collector, p_shape_filter);
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}
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void collide_shape_vs_double_sided(const JPH::Shape *p_shape1, const JPH::Shape *p_shape2, JPH::Vec3Arg p_scale1, JPH::Vec3Arg p_scale2, JPH::Mat44Arg p_center_of_mass_transform1, JPH::Mat44Arg p_center_of_mass_transform2, const JPH::SubShapeIDCreator &p_sub_shape_id_creator1, const JPH::SubShapeIDCreator &p_sub_shape_id_creator2, const JPH::CollideShapeSettings &p_collide_shape_settings, JPH::CollideShapeCollector &p_collector, const JPH::ShapeFilter &p_shape_filter) {
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ERR_FAIL_COND(p_shape2->GetSubType() != JoltCustomShapeSubType::DOUBLE_SIDED);
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const JoltCustomDoubleSidedShape *shape2 = static_cast<const JoltCustomDoubleSidedShape *>(p_shape2);
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JPH::CollideShapeSettings new_collide_shape_settings = p_collide_shape_settings;
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new_collide_shape_settings.mBackFaceMode = JPH::EBackFaceMode::CollideWithBackFaces;
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JPH::CollisionDispatch::sCollideShapeVsShape(p_shape1, shape2->GetInnerShape(), p_scale1, p_scale2, p_center_of_mass_transform1, p_center_of_mass_transform2, p_sub_shape_id_creator1, p_sub_shape_id_creator2, new_collide_shape_settings, p_collector, p_shape_filter);
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}
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void cast_shape_vs_double_sided(const JPH::ShapeCast &p_shape_cast, const JPH::ShapeCastSettings &p_shape_cast_settings, const JPH::Shape *p_shape, JPH::Vec3Arg p_scale, const JPH::ShapeFilter &p_shape_filter, JPH::Mat44Arg p_center_of_mass_transform2, const JPH::SubShapeIDCreator &p_sub_shape_id_creator1, const JPH::SubShapeIDCreator &p_sub_shape_id_creator2, JPH::CastShapeCollector &p_collector) {
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ERR_FAIL_COND(p_shape->GetSubType() != JoltCustomShapeSubType::DOUBLE_SIDED);
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const JoltCustomDoubleSidedShape *shape = static_cast<const JoltCustomDoubleSidedShape *>(p_shape);
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JPH::ShapeCastSettings new_shape_cast_settings = p_shape_cast_settings;
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new_shape_cast_settings.mBackFaceModeTriangles = JPH::EBackFaceMode::CollideWithBackFaces;
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JPH::CollisionDispatch::sCastShapeVsShapeLocalSpace(p_shape_cast, new_shape_cast_settings, shape->GetInnerShape(), p_scale, p_shape_filter, p_center_of_mass_transform2, p_sub_shape_id_creator1, p_sub_shape_id_creator2, p_collector);
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}
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} // namespace
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JPH::ShapeSettings::ShapeResult JoltCustomDoubleSidedShapeSettings::Create() const {
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if (mCachedResult.IsEmpty()) {
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new JoltCustomDoubleSidedShape(*this, mCachedResult);
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}
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return mCachedResult;
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}
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void JoltCustomDoubleSidedShape::register_type() {
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JPH::ShapeFunctions &shape_functions = JPH::ShapeFunctions::sGet(JoltCustomShapeSubType::DOUBLE_SIDED);
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shape_functions.mConstruct = construct_double_sided;
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shape_functions.mColor = JPH::Color::sPurple;
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for (const JPH::EShapeSubType sub_type : JPH::sAllSubShapeTypes) {
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JPH::CollisionDispatch::sRegisterCollideShape(JoltCustomShapeSubType::DOUBLE_SIDED, sub_type, collide_double_sided_vs_shape);
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JPH::CollisionDispatch::sRegisterCollideShape(sub_type, JoltCustomShapeSubType::DOUBLE_SIDED, collide_shape_vs_double_sided);
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}
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for (const JPH::EShapeSubType sub_type : JPH::sConvexSubShapeTypes) {
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JPH::CollisionDispatch::sRegisterCastShape(sub_type, JoltCustomShapeSubType::DOUBLE_SIDED, cast_shape_vs_double_sided);
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}
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}
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void JoltCustomDoubleSidedShape::CastRay(const JPH::RayCast &p_ray, const JPH::RayCastSettings &p_ray_cast_settings, const JPH::SubShapeIDCreator &p_sub_shape_id_creator, JPH::CastRayCollector &p_collector, const JPH::ShapeFilter &p_shape_filter) const {
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JPH::RayCastSettings new_ray_cast_settings = p_ray_cast_settings;
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if (!back_face_collision) {
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new_ray_cast_settings.SetBackFaceMode(JPH::EBackFaceMode::IgnoreBackFaces);
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}
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return mInnerShape->CastRay(p_ray, new_ray_cast_settings, p_sub_shape_id_creator, p_collector, p_shape_filter);
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}
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