boxdd-sys 0.4.0

Low-level FFI bindings for Box2D built from upstream via submodule
Documentation 
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// SPDX-FileCopyrightText: 2023 Erin Catto
// SPDX-License-Identifier: MIT

#pragma once

#include "array.h"
#include "bitset.h"

typedef struct b2Shape b2Shape;
typedef struct b2World b2World;

// Used to track shapes that hit sensors using time of impact
typedef struct b2SensorHit
{
	int sensorId;
	int visitorId;
} b2SensorHit;

typedef struct b2Visitor
{
	int shapeId;
	uint16_t generation;
} b2Visitor;

typedef struct b2Sensor
{
	// todo find a way to pool these
	b2VisitorArray hits;
	b2VisitorArray overlaps1;
	b2VisitorArray overlaps2;
	int shapeId;
} b2Sensor;

typedef struct b2SensorTaskContext
{
	b2BitSet eventBits;
} b2SensorTaskContext;

void b2OverlapSensors( b2World* world );

void b2DestroySensor( b2World* world, b2Shape* sensorShape );

B2_ARRAY_INLINE( b2Sensor, b2Sensor )
B2_ARRAY_INLINE( b2SensorHit, b2SensorHit )
B2_ARRAY_INLINE( b2SensorTaskContext, b2SensorTaskContext )
B2_ARRAY_INLINE( b2Visitor, b2Visitor )