1 files changed, 100 insertions, 0 deletions
diff --git a/Client/ThirdParty/Box2D/src/dynamics/b2_contact_solver.h b/Client/ThirdParty/Box2D/src/dynamics/b2_contact_solver.h
new file mode 100644
index 0000000..1064738
--- /dev/null
+++ b/Client/ThirdParty/Box2D/src/dynamics/b2_contact_solver.h
@@ -0,0 +1,100 @@
+// MIT License
+
+// Copyright (c) 2019 Erin Catto
+
+// 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.
+
+#ifndef B2_CONTACT_SOLVER_H
+#define B2_CONTACT_SOLVER_H
+
+#include "box2d/b2_collision.h"
+#include "box2d/b2_math.h"
+#include "box2d/b2_time_step.h"
+
+class b2Contact;
+class b2Body;
+class b2StackAllocator;
+struct b2ContactPositionConstraint;
+
+struct b2VelocityConstraintPoint
+{
+	b2Vec2 rA;
+	b2Vec2 rB;
+	float normalImpulse;
+	float tangentImpulse;
+	float normalMass;
+	float tangentMass;
+	float velocityBias;
+};
+
+struct b2ContactVelocityConstraint
+{
+	b2VelocityConstraintPoint points[b2_maxManifoldPoints];
+	b2Vec2 normal;
+	b2Mat22 normalMass;
+	b2Mat22 K;
+	int32 indexA;
+	int32 indexB;
+	float invMassA, invMassB;
+	float invIA, invIB;
+	float friction;
+	float restitution;
+	float threshold;
+	float tangentSpeed;
+	int32 pointCount;
+	int32 contactIndex;
+};
+
+struct b2ContactSolverDef
+{
+	b2TimeStep step;
+	b2Contact** contacts;
+	int32 count;
+	b2Position* positions;
+	b2Velocity* velocities;
+	b2StackAllocator* allocator;
+};
+
+class b2ContactSolver
+{
+public:
+	b2ContactSolver(b2ContactSolverDef* def);
+	~b2ContactSolver();
+
+	void InitializeVelocityConstraints();
+
+	void WarmStart();
+	void SolveVelocityConstraints();
+	void StoreImpulses();
+
+	bool SolvePositionConstraints();
+	bool SolveTOIPositionConstraints(int32 toiIndexA, int32 toiIndexB);
+
+	b2TimeStep m_step;
+	b2Position* m_positions;
+	b2Velocity* m_velocities;
+	b2StackAllocator* m_allocator;
+	b2ContactPositionConstraint* m_positionConstraints;
+	b2ContactVelocityConstraint* m_velocityConstraints;
+	b2Contact** m_contacts;
+	int m_count;
+};
+
+#endif
+