Merge pull request #38 from dumganhar/jsb2.0-box2d

Hack box2d for jsb2.0
cocos · Aug 18, 2017 · 4ea54c1 · 4ea54c1
2 parents cd9b2c7 + 3064023
commit 4ea54c1
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Showing 7 changed files with 49 additions and 0 deletions.
diff --git a/sources/Box2D/Box2D.h b/sources/Box2D/Box2D.h
@@ -65,4 +65,6 @@ For discussion please visit http://box2d.org/forum
 #include <Box2D/Dynamics/Joints/b2WeldJoint.h>
 #include <Box2D/Dynamics/Joints/b2WheelJoint.h>
 
+#include <Box2D/b2ObjectDestroyNotifier.h>
+
 #endif
diff --git a/sources/Box2D/Dynamics/Contacts/b2Contact.cpp b/sources/Box2D/Dynamics/Contacts/b2Contact.cpp
@@ -33,6 +33,7 @@
 #include <Box2D/Dynamics/b2Body.h>
 #include <Box2D/Dynamics/b2Fixture.h>
 #include <Box2D/Dynamics/b2World.h>
+#include <Box2D/b2ObjectDestroyNotifier.h>
 
 b2ContactRegister b2Contact::s_registers[b2Shape::e_typeCount][b2Shape::e_typeCount];
 bool b2Contact::s_initialized = false;
@@ -119,6 +120,7 @@ void b2Contact::Destroy(b2Contact* contact, b2BlockAllocator* allocator)
 	b2Assert(0 <= typeA && typeB < b2Shape::e_typeCount);
 	b2Assert(0 <= typeA && typeB < b2Shape::e_typeCount);
 
+    b2NotifyObjectDestroyed(contact, b2ObjectType::CONTACT, typeid(*contact).name());
 	b2ContactDestroyFcn* destroyFcn = s_registers[typeA][typeB].destroyFcn;
 	destroyFcn(contact, allocator);
 }

diff --git a/sources/Box2D/Dynamics/Joints/b2Joint.cpp b/sources/Box2D/Dynamics/Joints/b2Joint.cpp
@@ -31,6 +31,7 @@
 #include <Box2D/Dynamics/b2Body.h>
 #include <Box2D/Dynamics/b2World.h>
 #include <Box2D/Common/b2BlockAllocator.h>
+#include <Box2D/b2ObjectDestroyNotifier.h>
 
 #include <new>
 
@@ -127,6 +128,7 @@ b2Joint* b2Joint::Create(const b2JointDef* def, b2BlockAllocator* allocator)
 
 void b2Joint::Destroy(b2Joint* joint, b2BlockAllocator* allocator)
 {
+    b2NotifyObjectDestroyed(joint, b2ObjectType::JOIN, typeid(*joint).name());
 	joint->~b2Joint();
 	switch (joint->m_type)
 	{

diff --git a/sources/Box2D/Dynamics/b2Fixture.cpp b/sources/Box2D/Dynamics/b2Fixture.cpp
@@ -26,6 +26,7 @@
 #include <Box2D/Collision/b2BroadPhase.h>
 #include <Box2D/Collision/b2Collision.h>
 #include <Box2D/Common/b2BlockAllocator.h>
+#include <Box2D/b2ObjectDestroyNotifier.h>
 
 b2Fixture::b2Fixture()
 {
@@ -82,6 +83,7 @@ void b2Fixture::Destroy(b2BlockAllocator* allocator)
 	case b2Shape::e_circle:
 		{
 			b2CircleShape* s = (b2CircleShape*)m_shape;
+            b2NotifyObjectDestroyed(s, b2ObjectType::CIRCLE_SHAPE, "b2CircleShape");
 			s->~b2CircleShape();
 			allocator->Free(s, sizeof(b2CircleShape));
 		}
@@ -90,6 +92,7 @@ void b2Fixture::Destroy(b2BlockAllocator* allocator)
 	case b2Shape::e_edge:
 		{
 			b2EdgeShape* s = (b2EdgeShape*)m_shape;
+            b2NotifyObjectDestroyed(s, b2ObjectType::EDGE_SHAPE, "b2EdgeShape");
 			s->~b2EdgeShape();
 			allocator->Free(s, sizeof(b2EdgeShape));
 		}
@@ -98,6 +101,7 @@ void b2Fixture::Destroy(b2BlockAllocator* allocator)
 	case b2Shape::e_polygon:
 		{
 			b2PolygonShape* s = (b2PolygonShape*)m_shape;
+            b2NotifyObjectDestroyed(s, b2ObjectType::POLYGON_SHAPE, "b2PolygonShape");
 			s->~b2PolygonShape();
 			allocator->Free(s, sizeof(b2PolygonShape));
 		}
@@ -106,6 +110,7 @@ void b2Fixture::Destroy(b2BlockAllocator* allocator)
 	case b2Shape::e_chain:
 		{
 			b2ChainShape* s = (b2ChainShape*)m_shape;
+            b2NotifyObjectDestroyed(s, b2ObjectType::CHAIN_SHAPE, "b2ChainShape");
 			s->~b2ChainShape();
 			allocator->Free(s, sizeof(b2ChainShape));
 		}
@@ -117,6 +122,8 @@ void b2Fixture::Destroy(b2BlockAllocator* allocator)
 	}
 
 	m_shape = NULL;
+
+    b2NotifyObjectDestroyed(this, b2ObjectType::FIXTURE, "b2Fixture");
 }
 
 void b2Fixture::CreateProxies(b2BroadPhase* broadPhase, const b2Transform& xf)

diff --git a/sources/Box2D/Dynamics/b2World.cpp b/sources/Box2D/Dynamics/b2World.cpp
@@ -32,6 +32,7 @@
 #include <Box2D/Collision/b2TimeOfImpact.h>
 #include <Box2D/Common/b2Draw.h>
 #include <Box2D/Common/b2Timer.h>
+#include <Box2D/b2ObjectDestroyNotifier.h>
 #include <new>
 
 b2World::b2World(const b2Vec2& gravity)
@@ -205,6 +206,7 @@ void b2World::DestroyBody(b2Body* b)
 	}
 
 	--m_bodyCount;
+    b2NotifyObjectDestroyed(b, b2ObjectType::BODY, "b2Body");
 	b->~b2Body();
 	m_blockAllocator.Free(b, sizeof(b2Body));
 }

diff --git a/sources/Box2D/b2ObjectDestroyNotifier.cpp b/sources/Box2D/b2ObjectDestroyNotifier.cpp
@@ -0,0 +1,16 @@
+#include "b2ObjectDestroyNotifier.h"
+
+static b2ObjectDestroyNotifer __objectDestroyNotifier = nullptr;
+
+void b2SetObjectDestroyNotifier(b2ObjectDestroyNotifer notifier)
+{
+    __objectDestroyNotifier = notifier;
+}
+
+void b2NotifyObjectDestroyed(void* obj, b2ObjectType type, const char* typeName)
+{
+    if (__objectDestroyNotifier != nullptr)
+    {
+        __objectDestroyNotifier(obj, type, typeName);
+    }
+}
diff --git a/sources/Box2D/b2ObjectDestroyNotifier.h b/sources/Box2D/b2ObjectDestroyNotifier.h
@@ -0,0 +1,18 @@
+#pragma once
+
+enum class b2ObjectType
+{
+    CONTACT,
+    CIRCLE_SHAPE,
+    EDGE_SHAPE,
+    POLYGON_SHAPE,
+    CHAIN_SHAPE,
+    FIXTURE,
+    JOIN,
+    BODY
+};
+
+typedef void (*b2ObjectDestroyNotifer)(void*, b2ObjectType, const char*);
+
+void b2SetObjectDestroyNotifier(b2ObjectDestroyNotifer notifier);
+void b2NotifyObjectDestroyed(void* obj, b2ObjectType type, const char* typeName);