axmol/scripting/javascript/bindings/js_bindings_chipmunk_manual...

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51 KiB
C++

/*
* JS Bindings: https://github.com/zynga/jsbindings
*
* Copyright (c) 2012 Zynga Inc.
*
* 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.
*/
#include "cocos-ext.h"
#include "js_bindings_config.h"
#ifdef JSB_INCLUDE_CHIPMUNK
#include "jsapi.h"
#include "jsfriendapi.h"
#include "js_bindings_chipmunk_manual.h"
#include "js_manual_conversions.h"
USING_NS_CC_EXT;
// Function declarations
void static freeSpaceChildren(cpSpace *space);
template<class T>
static JSBool dummy_constructor(JSContext *cx, uint32_t argc, jsval *vp) {
TypeTest<T> t;
T* cobj = new T();
cobj->autorelease();
js_type_class_t *p;
uint32_t typeId = t.s_id();
HASH_FIND_INT(_js_global_type_ht, &typeId, p);
assert(p);
JSObject *_tmp = JS_NewObject(cx, p->jsclass, p->proto, p->parentProto);
js_proxy_t *pp = jsb_new_proxy(cobj, _tmp);
JS_AddObjectRoot(cx, &pp->obj);
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(_tmp));
return JS_TRUE;
}
#pragma mark - convertions
/*
* PhysicsSprite
*/
#pragma mark - PhysicsSprite
JSClass* JSPROXY_CCPhysicsSprite_class = NULL;
JSObject* JSPROXY_CCPhysicsSprite_object = NULL;
// Constructor
// Destructor
void JSPROXY_CCPhysicsSprite_finalize(JSFreeOp *fop, JSObject *obj)
{
CCLOGINFO("jsbindings: finalizing JS object %p (PhysicsSprite)", obj);
}
// Arguments:
// Ret value: cpBody* (N/A)
JSBool JSPROXY_CCPhysicsSprite_getCPBody(JSContext *cx, uint32_t argc, jsval *vp) {
JSObject *obj = JS_THIS_OBJECT(cx, vp);
js_proxy_t *proxy = jsb_get_js_proxy(obj);
PhysicsSprite* real = (PhysicsSprite *)(proxy ? proxy->ptr : NULL);
TEST_NATIVE_OBJECT(cx, real)
cpBody* ret_val;
ret_val = real->getCPBody();
jsval ret_jsval = c_class_to_jsval( cx, ret_val, JSB_cpBody_object, JSB_cpBody_class, "cpBody" );
JS_SET_RVAL(cx, vp, ret_jsval);
return JS_TRUE;
}
// Arguments:
// Ret value: BOOL (b)
JSBool JSPROXY_CCPhysicsSprite_ignoreBodyRotation(JSContext *cx, uint32_t argc, jsval *vp) {
JSObject *obj = JS_THIS_OBJECT(cx, vp);
js_proxy_t *proxy = jsb_get_js_proxy(obj);
PhysicsSprite* real = (PhysicsSprite *)(proxy ? proxy->ptr : NULL);
TEST_NATIVE_OBJECT(cx, real)
bool ret_val;
ret_val = real->isIgnoreBodyRotation();
JS_SET_RVAL(cx, vp, BOOLEAN_TO_JSVAL(ret_val));
return JS_TRUE;
}
// Arguments: cpBody*
// Ret value: void (None)
JSBool JSPROXY_CCPhysicsSprite_setCPBody_(JSContext *cx, uint32_t argc, jsval *vp) {
JSObject *obj = JS_THIS_OBJECT(cx, vp);
js_proxy_t *proxy = jsb_get_js_proxy(obj);
PhysicsSprite* real = (PhysicsSprite *)(proxy ? proxy->ptr : NULL);
TEST_NATIVE_OBJECT(cx, real)
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpBody* arg0;
ok &= jsval_to_opaque( cx, *argvp++, (void**)&arg0 );
if( ! ok ) return JS_FALSE;
real->setCPBody((cpBody*)arg0);
JS_SET_RVAL(cx, vp, JSVAL_VOID);
return JS_TRUE;
}
// Arguments: BOOL
// Ret value: void (None)
JSBool JSPROXY_CCPhysicsSprite_setIgnoreBodyRotation_(JSContext *cx, uint32_t argc, jsval *vp) {
JSObject *obj = JS_THIS_OBJECT(cx, vp);
js_proxy_t *proxy = jsb_get_js_proxy(obj);
PhysicsSprite* real = (PhysicsSprite *)(proxy ? proxy->ptr : NULL);
TEST_NATIVE_OBJECT(cx, real)
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
JSBool arg0;
ok &= JS_ValueToBoolean( cx, *argvp++, &arg0 );
if( ! ok ) return JS_FALSE;
real->setIgnoreBodyRotation((bool)arg0);
JS_SET_RVAL(cx, vp, JSVAL_VOID);
return JS_TRUE;
}
/*
* PhysicsDebugNode
*/
//#pragma mark - PhysicsDebugNode
JSClass* JSB_CCPhysicsDebugNode_class = NULL;
JSObject* JSB_CCPhysicsDebugNode_object = NULL;
extern JSObject *js_cocos2dx_CCDrawNode_prototype;
// Constructor
// Destructor
void JSB_CCPhysicsDebugNode_finalize(JSFreeOp *fop, JSObject *obj)
{
CCLOGINFO("jsbindings: finalizing JS object %p (PhysicsDebugNode)", obj);
}
// Arguments: cpSpace*
// Ret value: PhysicsDebugNode* (o)
JSBool JSB_CCPhysicsDebugNode_debugNodeForCPSpace__static(JSContext *cx, uint32_t argc, jsval *vp) {
JSB_PRECONDITION2( argc == 1, cx, JS_FALSE, "Invalid number of arguments" );
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpSpace* arg0;
ok &= jsval_to_opaque( cx, *argvp++, (void**)&arg0 );
JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
PhysicsDebugNode* ret = PhysicsDebugNode::create(arg0);
jsval jsret;
do {
if (ret) {
TypeTest<PhysicsDebugNode> t;
js_type_class_t *typeClass;
uint32_t typeId = t.s_id();
HASH_FIND_INT(_js_global_type_ht, &typeId, typeClass);
assert(typeClass);
JSObject *obj = JS_NewObject(cx, typeClass->jsclass, typeClass->proto, typeClass->parentProto);
jsret = OBJECT_TO_JSVAL(obj);
js_proxy_t *p = jsb_new_proxy(ret, obj);
JS_AddNamedObjectRoot(cx, &p->obj, "CCDebugNode");
} else {
jsret = JSVAL_NULL;
}
} while (0);
JS_SET_RVAL(cx, vp, jsret);
return JS_TRUE;
}
// Arguments: cpSpace*
// Ret value: void (None)
JSBool JSB_CCPhysicsDebugNode_setSpace_(JSContext *cx, uint32_t argc, jsval *vp) {
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
js_proxy_t *proxy = jsb_get_js_proxy(jsthis);
PhysicsDebugNode* real = (PhysicsDebugNode *)(proxy ? proxy->ptr : NULL);
TEST_NATIVE_OBJECT(cx, real)
JSB_PRECONDITION2( argc == 1, cx, JS_FALSE, "Invalid number of arguments" );
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpSpace* arg0;
ok &= jsval_to_opaque( cx, *argvp++, (void**)&arg0 );
JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
real->setSpace(arg0);
JS_SET_RVAL(cx, vp, JSVAL_VOID);
return JS_TRUE;
}
// Arguments:
// Ret value: cpSpace* (N/A)
JSBool JSB_CCPhysicsDebugNode_space(JSContext *cx, uint32_t argc, jsval *vp) {
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
js_proxy_t *proxy = jsb_get_js_proxy(jsthis);
PhysicsDebugNode* real = (PhysicsDebugNode *)(proxy ? proxy->ptr : NULL);
TEST_NATIVE_OBJECT(cx, real)
JSB_PRECONDITION2( argc == 0, cx, JS_FALSE, "Invalid number of arguments" );
cpSpace* ret_val;
ret_val = real->getSpace();
jsval ret_jsval = opaque_to_jsval( cx, ret_val );
JS_SET_RVAL(cx, vp, ret_jsval);
return JS_TRUE;
}
void JSB_CCPhysicsDebugNode_createClass(JSContext *cx, JSObject* globalObj, const char* name )
{
JSB_CCPhysicsDebugNode_class = (JSClass *)calloc(1, sizeof(JSClass));
JSB_CCPhysicsDebugNode_class->name = name;
JSB_CCPhysicsDebugNode_class->addProperty = JS_PropertyStub;
JSB_CCPhysicsDebugNode_class->delProperty = JS_PropertyStub;
JSB_CCPhysicsDebugNode_class->getProperty = JS_PropertyStub;
JSB_CCPhysicsDebugNode_class->setProperty = JS_StrictPropertyStub;
JSB_CCPhysicsDebugNode_class->enumerate = JS_EnumerateStub;
JSB_CCPhysicsDebugNode_class->resolve = JS_ResolveStub;
JSB_CCPhysicsDebugNode_class->convert = JS_ConvertStub;
JSB_CCPhysicsDebugNode_class->finalize = JSB_CCPhysicsDebugNode_finalize;
JSB_CCPhysicsDebugNode_class->flags = 0;
static JSPropertySpec properties[] = {
{0, 0, 0, 0, 0}
};
static JSFunctionSpec funcs[] = {
JS_FN("_setSpace", JSB_CCPhysicsDebugNode_setSpace_, 1, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FN("getSpace", JSB_CCPhysicsDebugNode_space, 0, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FS_END
};
static JSFunctionSpec st_funcs[] = {
JS_FN("_create", JSB_CCPhysicsDebugNode_debugNodeForCPSpace__static, 1, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FS_END
};
TypeTest<cocos2d::DrawNode> t1;
js_type_class_t *typeClass;
uint32_t typeId = t1.s_id();
HASH_FIND_INT(_js_global_type_ht, &typeId, typeClass);
assert(typeClass);
JSB_CCPhysicsDebugNode_object = JS_InitClass(cx, globalObj, typeClass->proto, JSB_CCPhysicsDebugNode_class, dummy_constructor<PhysicsDebugNode>, 0,properties,funcs,NULL,st_funcs);
TypeTest<PhysicsDebugNode> t;
js_type_class_t *p;
typeId = t.s_id();
HASH_FIND_INT(_js_global_type_ht, &typeId, p);
if (!p) {
p = (js_type_class_t *)malloc(sizeof(js_type_class_t));
p->type = typeId;
p->jsclass = JSB_CCPhysicsDebugNode_class;
p->proto = JSB_CCPhysicsDebugNode_object;
p->parentProto = typeClass->proto;
HASH_ADD_INT(_js_global_type_ht, type, p);
}
}
// Arguments: NSString*, CGRect
// Ret value: PhysicsSprite* (o)
JSBool JSPROXY_CCPhysicsSprite_spriteWithFile_rect__static(JSContext *cx, uint32_t argc, jsval *vp) {
jsval *argv = JS_ARGV(cx, vp);
JSBool ok = JS_TRUE;
if (argc == 2) {
const char* arg0;
std::string arg0_tmp; ok &= jsval_to_std_string(cx, argv[0], &arg0_tmp); arg0 = arg0_tmp.c_str();
cocos2d::Rect arg1;
ok &= jsval_to_ccrect(cx, argv[1], &arg1);
JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
PhysicsSprite* ret = PhysicsSprite::create(arg0, arg1);
jsval jsret;
do {
if (ret) {
TypeTest<PhysicsSprite> t;
js_type_class_t *typeClass;
uint32_t typeId = t.s_id();
HASH_FIND_INT(_js_global_type_ht, &typeId, typeClass);
assert(typeClass);
JSObject *obj = JS_NewObject(cx, typeClass->jsclass, typeClass->proto, typeClass->parentProto);
jsret = OBJECT_TO_JSVAL(obj);
js_proxy_t *p = jsb_new_proxy(ret, obj);
JS_AddNamedObjectRoot(cx, &p->obj, "CCPhysicsSprite");
} else {
jsret = JSVAL_NULL;
}
} while (0);
JS_SET_RVAL(cx, vp, jsret);
return JS_TRUE;
}
if (argc == 1) {
const char* arg0;
std::string arg0_tmp; ok &= jsval_to_std_string(cx, argv[0], &arg0_tmp); arg0 = arg0_tmp.c_str();
JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error processing arguments");
PhysicsSprite* ret = PhysicsSprite::create(arg0);
jsval jsret;
do {
if (ret) {
TypeTest<PhysicsSprite> t;
js_type_class_t *typeClass;
uint32_t typeId = t.s_id();
HASH_FIND_INT(_js_global_type_ht, &typeId, typeClass);
assert(typeClass);
JSObject *obj = JS_NewObject(cx, typeClass->jsclass, typeClass->proto, typeClass->parentProto);
jsret = OBJECT_TO_JSVAL(obj);
js_proxy_t *p = jsb_new_proxy(ret, obj);
JS_AddNamedObjectRoot(cx, &p->obj, "CCPhysicsSprite");
} else {
jsret = JSVAL_NULL;
}
} while (0);
JS_SET_RVAL(cx, vp, jsret);
return JS_TRUE;
}
return JS_FALSE;
}
// Arguments: SpriteFrame*
// Ret value: PhysicsSprite* (o)
JSBool JSPROXY_CCPhysicsSprite_spriteWithSpriteFrame__static(JSContext *cx, uint32_t argc, jsval *vp) {
jsval *argv = JS_ARGV(cx, vp);
cocos2d::SpriteFrame* arg0;
if (argc >= 1) {
do {
js_proxy_t *proxy;
JSObject *tmpObj = JSVAL_TO_OBJECT(argv[0]);
proxy = jsb_get_js_proxy(tmpObj);
arg0 = (cocos2d::SpriteFrame*)(proxy ? proxy->ptr : NULL);
TEST_NATIVE_OBJECT(cx, arg0)
} while (0);
}
PhysicsSprite* ret = PhysicsSprite::createWithSpriteFrame(arg0);
jsval jsret;
do {
if (ret) {
TypeTest<PhysicsSprite> t;
js_type_class_t *typeClass;
uint32_t typeId = t.s_id();
HASH_FIND_INT(_js_global_type_ht, &typeId, typeClass);
assert(typeClass);
JSObject *obj = JS_NewObject(cx, typeClass->jsclass, typeClass->proto, typeClass->parentProto);
jsret = OBJECT_TO_JSVAL(obj);
js_proxy_t *p = jsb_new_proxy(ret, obj);
JS_AddNamedObjectRoot(cx, &p->obj, "CCPhysicsSprite");
} else {
jsret = JSVAL_NULL;
}
} while (0);
JS_SET_RVAL(cx, vp, jsret);
return JS_TRUE;
}
// Arguments: NSString*
// Ret value: PhysicsSprite* (o)
JSBool JSPROXY_CCPhysicsSprite_spriteWithSpriteFrameName__static(JSContext *cx, uint32_t argc, jsval *vp) {
jsval *argv = JS_ARGV(cx, vp);
JSBool ok = JS_TRUE;
const char* arg0;
std::string arg0_tmp;
if (argc >= 1) {
ok &= jsval_to_std_string(cx, argv[0], &arg0_tmp); arg0 = arg0_tmp.c_str();
}
PhysicsSprite* ret = PhysicsSprite::createWithSpriteFrameName(arg0);
jsval jsret;
do {
if (ret) {
TypeTest<PhysicsSprite> t;
js_type_class_t *typeClass;
uint32_t typeId = t.s_id();
HASH_FIND_INT(_js_global_type_ht, &typeId, typeClass);
assert(typeClass);
JSObject *obj = JS_NewObject(cx, typeClass->jsclass, typeClass->proto, typeClass->parentProto);
jsret = OBJECT_TO_JSVAL(obj);
js_proxy_t *p = jsb_new_proxy(ret, obj);
JS_AddNamedObjectRoot(cx, &p->obj, "CCPhysicsSprite");
} else {
jsret = JSVAL_NULL;
}
} while (0);
JS_SET_RVAL(cx, vp, jsret);
return JS_TRUE;
}
void JSPROXY_CCPhysicsSprite_createClass(JSContext *cx, JSObject* globalObj)
{
JSPROXY_CCPhysicsSprite_class = (JSClass *)calloc(1, sizeof(JSClass));
JSPROXY_CCPhysicsSprite_class->name = "PhysicsSprite";
JSPROXY_CCPhysicsSprite_class->addProperty = JS_PropertyStub;
JSPROXY_CCPhysicsSprite_class->delProperty = JS_PropertyStub;
JSPROXY_CCPhysicsSprite_class->getProperty = JS_PropertyStub;
JSPROXY_CCPhysicsSprite_class->setProperty = JS_StrictPropertyStub;
JSPROXY_CCPhysicsSprite_class->enumerate = JS_EnumerateStub;
JSPROXY_CCPhysicsSprite_class->resolve = JS_ResolveStub;
JSPROXY_CCPhysicsSprite_class->convert = JS_ConvertStub;
JSPROXY_CCPhysicsSprite_class->finalize = JSPROXY_CCPhysicsSprite_finalize;
JSPROXY_CCPhysicsSprite_class->flags = 0;
static JSPropertySpec properties[] = {
{0, 0, 0, 0, 0}
};
static JSFunctionSpec funcs[] = {
JS_FN("getCPBody", JSPROXY_CCPhysicsSprite_getCPBody, 0, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FN("getIgnoreBodyRotation", JSPROXY_CCPhysicsSprite_ignoreBodyRotation, 0, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FN("_setCPBody", JSPROXY_CCPhysicsSprite_setCPBody_, 1, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FN("setIgnoreBodyRotation", JSPROXY_CCPhysicsSprite_setIgnoreBodyRotation_, 1, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FS_END
};
static JSFunctionSpec st_funcs[] = {
JS_FN("create", JSPROXY_CCPhysicsSprite_spriteWithFile_rect__static, 2, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FN("createWithSpriteFrame", JSPROXY_CCPhysicsSprite_spriteWithSpriteFrame__static, 1, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FN("createWithSpriteFrameName", JSPROXY_CCPhysicsSprite_spriteWithSpriteFrameName__static, 1, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FS_END
};
TypeTest<cocos2d::Sprite> t1;
js_type_class_t *typeClass;
uint32_t typeId = t1.s_id();
HASH_FIND_INT(_js_global_type_ht, &typeId, typeClass);
assert(typeClass);
JSPROXY_CCPhysicsSprite_object = JS_InitClass(cx, globalObj, typeClass->proto, JSPROXY_CCPhysicsSprite_class, dummy_constructor<PhysicsSprite>, 0,properties,funcs,NULL,st_funcs);
TypeTest<PhysicsSprite> t;
js_type_class_t *p;
typeId = t.s_id();
HASH_FIND_INT(_js_global_type_ht, &typeId, p);
if (!p) {
p = (js_type_class_t *)malloc(sizeof(js_type_class_t));
p->type = typeId;
p->jsclass = JSPROXY_CCPhysicsSprite_class;
p->proto = JSPROXY_CCPhysicsSprite_object;
p->parentProto = typeClass->proto;
HASH_ADD_INT(_js_global_type_ht, type, p);
}
}
void register_CCPhysicsSprite(JSContext *cx, JSObject *obj) {
jsval nsval;
JSObject *ns;
JS_GetProperty(cx, obj, "cc", &nsval);
if (nsval == JSVAL_VOID) {
ns = JS_NewObject(cx, NULL, NULL, NULL);
nsval = OBJECT_TO_JSVAL(ns);
JS_SetProperty(cx, obj, "cc", &nsval);
} else {
JS_ValueToObject(cx, nsval, &ns);
}
obj = ns;
JSPROXY_CCPhysicsSprite_createClass(cx, obj);
}
void register_CCPhysicsDebugNode(JSContext *cx, JSObject *obj) {
jsval nsval;
JSObject *ns;
JS_GetProperty(cx, obj, "cc", &nsval);
if (nsval == JSVAL_VOID) {
ns = JS_NewObject(cx, NULL, NULL, NULL);
nsval = OBJECT_TO_JSVAL(ns);
JS_SetProperty(cx, obj, "cc", &nsval);
} else {
JS_ValueToObject(cx, nsval, &ns);
}
obj = ns;
JSB_CCPhysicsDebugNode_createClass(cx, obj, "PhysicsDebugNode");
}
JSBool jsval_to_cpBB( JSContext *cx, jsval vp, cpBB *ret )
{
JSObject *jsobj;
JSBool ok = JS_ValueToObject( cx, vp, &jsobj );
JSB_PRECONDITION( ok, "Error converting value to object");
JSB_PRECONDITION( jsobj, "Not a valid JS object");
jsval vall, valb, valr, valt;
ok = JS_TRUE;
ok &= JS_GetProperty(cx, jsobj, "l", &vall);
ok &= JS_GetProperty(cx, jsobj, "b", &valb);
ok &= JS_GetProperty(cx, jsobj, "r", &valr);
ok &= JS_GetProperty(cx, jsobj, "t", &valt);
JSB_PRECONDITION( ok, "Error obtaining point properties");
double l, b, r, t;
ok &= JS_ValueToNumber(cx, vall, &l);
ok &= JS_ValueToNumber(cx, valb, &b);
ok &= JS_ValueToNumber(cx, valr, &r);
ok &= JS_ValueToNumber(cx, valt, &t);
JSB_PRECONDITION( ok, "Error converting value to numbers");
ret->l = l;
ret->b = b;
ret->r = r;
ret->t = t;
return JS_TRUE;
}
jsval cpBB_to_jsval(JSContext *cx, cpBB bb )
{
JSObject *object = JS_NewObject(cx, NULL, NULL, NULL );
if (!object)
return JSVAL_VOID;
if (!JS_DefineProperty(cx, object, "l", DOUBLE_TO_JSVAL(bb.l), NULL, NULL, JSPROP_ENUMERATE | JSPROP_PERMANENT) ||
!JS_DefineProperty(cx, object, "b", DOUBLE_TO_JSVAL(bb.b), NULL, NULL, JSPROP_ENUMERATE | JSPROP_PERMANENT) ||
!JS_DefineProperty(cx, object, "r", DOUBLE_TO_JSVAL(bb.r), NULL, NULL, JSPROP_ENUMERATE | JSPROP_PERMANENT) ||
!JS_DefineProperty(cx, object, "t", DOUBLE_TO_JSVAL(bb.t), NULL, NULL, JSPROP_ENUMERATE | JSPROP_PERMANENT) )
return JSVAL_VOID;
return OBJECT_TO_JSVAL(object);
}
// In order to be compatible with Chipmunk-JS API,
// this function expect to receive an array of numbers, and not an array of vects
// OK: [1,2, 3,4, 5,6] <- expected
// BAD: [{x:1, y:2}, {x:3,y:4}, {x:5, y:6}] <- not expected
JSBool jsval_to_array_of_cpvect( JSContext *cx, jsval vp, cpVect**verts, int *numVerts)
{
// Parsing sequence
JSObject *jsobj;
JSBool ok = JS_ValueToObject( cx, vp, &jsobj );
JSB_PRECONDITION( ok, "Error converting value to object");
JSB_PRECONDITION( jsobj && JS_IsArrayObject( cx, jsobj), "Object must be an array");
uint32_t len;
JS_GetArrayLength(cx, jsobj, &len);
JSB_PRECONDITION( len%2==0, "Array lenght should be even");
cpVect *array = (cpVect*)malloc( sizeof(cpVect) * len/2);
for( uint32_t i=0; i< len;i++ ) {
jsval valarg;
JS_GetElement(cx, jsobj, i, &valarg);
double value;
ok = JS_ValueToNumber(cx, valarg, &value);
JSB_PRECONDITION( ok, "Error converting value to nsobject");
if(i%2==0)
array[i/2].x = value;
else
array[i/2].y = value;
}
*numVerts = len/2;
*verts = array;
return JS_TRUE;
}
#pragma mark - Collision Handler
struct collision_handler {
cpCollisionType typeA;
cpCollisionType typeB;
JSObject *begin;
JSObject *pre;
JSObject *post;
JSObject *separate;
JSObject *jsthis;
JSContext *cx;
// "owner" of the collision handler
// Needed when the space goes out of scope, it will remove all the allocated collision handlers for him.
cpSpace *space;
unsigned long hash_key;
unsigned int is_oo; // Objected oriented API ?
UT_hash_handle hh;
};
// hash
struct collision_handler* collision_handler_hash = NULL;
// helper pair
static unsigned long pair_ints( unsigned long A, unsigned long B )
{
// order is not important
unsigned long k1 = MIN(A, B );
unsigned long k2 = MAX(A, B );
return (k1 + k2) * (k1 + k2 + 1) /2 + k2;
}
static cpBool myCollisionBegin(cpArbiter *arb, cpSpace *space, void *data)
{
struct collision_handler *handler = (struct collision_handler*) data;
jsval args[2];
if( handler->is_oo ) {
args[0] = c_class_to_jsval(handler->cx, arb, JSB_cpArbiter_object, JSB_cpArbiter_class, "cpArbiter");
args[1] = c_class_to_jsval(handler->cx, space, JSB_cpSpace_object, JSB_cpSpace_class, "cpArbiter");
} else {
args[0] = opaque_to_jsval( handler->cx, arb);
args[1] = opaque_to_jsval( handler->cx, space );
}
jsval rval;
JSBool ok = JS_CallFunctionValue( handler->cx, handler->jsthis, OBJECT_TO_JSVAL(handler->begin), 2, args, &rval);
JSB_PRECONDITION2(ok, handler->cx, cpFalse, "Error calling collision callback: begin");
if( JSVAL_IS_BOOLEAN(rval) ) {
JSBool ret = JSVAL_TO_BOOLEAN(rval);
return (cpBool)ret;
}
return cpTrue;
}
static cpBool myCollisionPre(cpArbiter *arb, cpSpace *space, void *data)
{
struct collision_handler *handler = (struct collision_handler*) data;
jsval args[2];
if( handler->is_oo ) {
args[0] = c_class_to_jsval(handler->cx, arb, JSB_cpArbiter_object, JSB_cpArbiter_class, "cpArbiter");
args[1] = c_class_to_jsval(handler->cx, space, JSB_cpSpace_object, JSB_cpSpace_class, "cpArbiter");
} else {
args[0] = opaque_to_jsval( handler->cx, arb);
args[1] = opaque_to_jsval( handler->cx, space );
}
jsval rval;
JSBool ok = JS_CallFunctionValue( handler->cx, handler->jsthis, OBJECT_TO_JSVAL(handler->pre), 2, args, &rval);
JSB_PRECONDITION2(ok, handler->cx, JS_FALSE, "Error calling collision callback: pre");
if( JSVAL_IS_BOOLEAN(rval) ) {
JSBool ret = JSVAL_TO_BOOLEAN(rval);
return (cpBool)ret;
}
return cpTrue;
}
static void myCollisionPost(cpArbiter *arb, cpSpace *space, void *data)
{
struct collision_handler *handler = (struct collision_handler*) data;
jsval args[2];
if( handler->is_oo ) {
args[0] = c_class_to_jsval(handler->cx, arb, JSB_cpArbiter_object, JSB_cpArbiter_class, "cpArbiter");
args[1] = c_class_to_jsval(handler->cx, space, JSB_cpSpace_object, JSB_cpSpace_class, "cpArbiter");
} else {
args[0] = opaque_to_jsval( handler->cx, arb);
args[1] = opaque_to_jsval( handler->cx, space );
}
jsval ignore;
JSBool ok = JS_CallFunctionValue( handler->cx, handler->jsthis, OBJECT_TO_JSVAL(handler->post), 2, args, &ignore);
JSB_PRECONDITION2(ok, handler->cx, , "Error calling collision callback: Post");
}
static void myCollisionSeparate(cpArbiter *arb, cpSpace *space, void *data)
{
struct collision_handler *handler = (struct collision_handler*) data;
jsval args[2];
if( handler->is_oo ) {
args[0] = c_class_to_jsval(handler->cx, arb, JSB_cpArbiter_object, JSB_cpArbiter_class, "cpArbiter");
args[1] = c_class_to_jsval(handler->cx, space, JSB_cpSpace_object, JSB_cpSpace_class, "cpArbiter");
} else {
args[0] = opaque_to_jsval( handler->cx, arb);
args[1] = opaque_to_jsval( handler->cx, space );
}
jsval ignore;
JSBool ok = JS_CallFunctionValue( handler->cx, handler->jsthis, OBJECT_TO_JSVAL(handler->separate), 2, args, &ignore);
JSB_PRECONDITION2(ok, handler->cx, , "Error calling collision callback: Separate");}
#pragma mark - cpSpace
#pragma mark constructor / destructor
void JSB_cpSpace_finalize(JSFreeOp *fop, JSObject *jsthis)
{
struct jsb_c_proxy_s *proxy = jsb_get_c_proxy_for_jsobject(jsthis);
if( proxy ) {
CCLOGINFO("jsbindings: finalizing JS object %p (cpSpace), handle: %p", jsthis, proxy->handle);
// space
cpSpace *space = (cpSpace*) proxy->handle;
// Remove collision handlers, since the user might have forgotten to manually remove them
struct collision_handler *current, *tmp;
HASH_ITER(hh, collision_handler_hash, current, tmp) {
if( current->space == space ) {
JSContext *cx = current->cx;
// unroot it
if( current->begin ) {
JS_RemoveObjectRoot(cx, &current->begin);
}
if( current->pre )
JS_RemoveObjectRoot(cx, &current->pre);
if( current->post )
JS_RemoveObjectRoot(cx, &current->post);
if( current->separate )
JS_RemoveObjectRoot(cx, &current->separate);
HASH_DEL(collision_handler_hash,current); /* delete; users advances to next */
free(current); /* optional- if you want to free */
}
}
// Free Space Children
freeSpaceChildren(space);
jsb_del_jsobject_for_proxy(space);
if(proxy->flags == JSB_C_FLAG_CALL_FREE)
cpSpaceFree(space);
jsb_del_c_proxy_for_jsobject(jsthis);
}
}
#pragma mark addCollisionHandler
static
JSBool __jsb_cpSpace_addCollisionHandler(JSContext *cx, jsval *vp, jsval *argvp, cpSpace *space, unsigned int is_oo)
{
struct collision_handler *handler = (struct collision_handler*) malloc( sizeof(*handler) );
JSB_PRECONDITION(handler, "Error allocating memory");
JSBool ok = JS_TRUE;
// args
ok &= jsval_to_int(cx, *argvp++, (int32_t*) &handler->typeA );
ok &= jsval_to_int(cx, *argvp++, (int32_t*) &handler->typeB );
// this is no longer passed, so "this" is going to be "this".
// ok &= JS_ValueToObject(cx, *argvp++, &handler->jsthis );
handler->jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
handler->begin = !JSVAL_IS_NULL(*argvp) ? JSVAL_TO_OBJECT(*argvp) : NULL;
argvp++;
handler->pre = !JSVAL_IS_NULL(*argvp) ? JSVAL_TO_OBJECT(*argvp) : NULL;
argvp++;
handler->post = !JSVAL_IS_NULL(*argvp) ? JSVAL_TO_OBJECT(*argvp) : NULL;
argvp++;
handler->separate = !JSVAL_IS_NULL(*argvp) ? JSVAL_TO_OBJECT(*argvp) : NULL;
argvp++;
JSB_PRECONDITION(ok, "Error parsing arguments");
// Object Oriented API ?
handler->is_oo = is_oo;
// owner of the collision handler
handler->space = space;
// Root it
if( handler->begin )
JS_AddNamedObjectRoot(cx, &handler->begin, "begin collision_handler");
if( handler->pre )
JS_AddNamedObjectRoot(cx, &handler->pre, "pre collision_handler");
if( handler->post )
JS_AddNamedObjectRoot(cx, &handler->post, "post collision_handler");
if( handler->separate )
JS_AddNamedObjectRoot(cx, &handler->separate, "separate collision_handler");
handler->cx = cx;
cpSpaceAddCollisionHandler(space, handler->typeA, handler->typeB,
!handler->begin ? NULL : &myCollisionBegin,
!handler->pre ? NULL : &myCollisionPre,
!handler->post ? NULL : &myCollisionPost,
!handler->separate ? NULL : &myCollisionSeparate,
handler );
//
// Already added ? If so, remove it.
// Then add new entry
//
struct collision_handler *hashElement = NULL;
unsigned long paired_key = pair_ints(handler->typeA, handler->typeB );
HASH_FIND_INT(collision_handler_hash, &paired_key, hashElement);
if( hashElement ) {
HASH_DEL( collision_handler_hash, hashElement );
free( hashElement );
}
handler->hash_key = paired_key;
HASH_ADD_INT( collision_handler_hash, hash_key, handler );
JS_SET_RVAL(cx, vp, JSVAL_VOID);
return JS_TRUE;
}
JSBool JSB_cpSpaceAddCollisionHandler(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==7, cx, JS_FALSE, "Invalid number of arguments");
jsval *argvp = JS_ARGV(cx,vp);
// args
cpSpace *space;
JSBool ok = jsval_to_opaque( cx, *argvp++, (void**)&space);
JSB_PRECONDITION(ok, "Error parsing arguments");
return __jsb_cpSpace_addCollisionHandler(cx, vp, argvp, space, 0);
}
// method
JSBool JSB_cpSpace_addCollisionHandler(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==6, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
JSB_PRECONDITION( jsthis, "Invalid jsthis object");
struct jsb_c_proxy_s* proxy = jsb_get_c_proxy_for_jsobject(jsthis);
void *handle = proxy->handle;
return __jsb_cpSpace_addCollisionHandler(cx, vp, JS_ARGV(cx,vp), (cpSpace*)handle, 1);
}
#pragma mark removeCollisionHandler
static
JSBool __jsb_cpSpace_removeCollisionHandler(JSContext *cx, jsval *vp, jsval *argvp, cpSpace *space)
{
JSBool ok = JS_TRUE;
cpCollisionType typeA;
cpCollisionType typeB;
ok &= jsval_to_int(cx, *argvp++, (int32_t*) &typeA );
ok &= jsval_to_int(cx, *argvp++, (int32_t*) &typeB );
JSB_PRECONDITION(ok, "Error parsing arguments");
cpSpaceRemoveCollisionHandler(space, typeA, typeB );
// Remove it
struct collision_handler *hashElement = NULL;
unsigned long key = pair_ints(typeA, typeB );
HASH_FIND_INT(collision_handler_hash, &key, hashElement);
if( hashElement ) {
// unroot it
if( hashElement->begin )
JS_RemoveObjectRoot(cx, &hashElement->begin);
if( hashElement->pre )
JS_RemoveObjectRoot(cx, &hashElement->pre);
if( hashElement->post )
JS_RemoveObjectRoot(cx, &hashElement->post);
if( hashElement->separate )
JS_RemoveObjectRoot(cx, &hashElement->separate);
HASH_DEL( collision_handler_hash, hashElement );
free( hashElement );
}
JS_SET_RVAL(cx, vp, JSVAL_VOID);
return JS_TRUE;
}
// Free function
JSBool JSB_cpSpaceRemoveCollisionHandler(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==3, cx, JS_FALSE, "Invalid number of arguments");
jsval *argvp = JS_ARGV(cx,vp);
cpSpace* space;
JSBool ok = jsval_to_opaque( cx, *argvp++, (void**)&space);
JSB_PRECONDITION(ok, "Error parsing arguments");
return __jsb_cpSpace_removeCollisionHandler(cx, vp, argvp, space);
}
// method
JSBool JSB_cpSpace_removeCollisionHandler(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==2, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
JSB_PRECONDITION( jsthis, "Invalid jsthis object");
struct jsb_c_proxy_s* proxy = jsb_get_c_proxy_for_jsobject(jsthis);
void *handle = proxy->handle;
return __jsb_cpSpace_removeCollisionHandler(cx, vp, JS_ARGV(cx,vp), (cpSpace*)handle);
}
#pragma mark Add functios. Root JSObjects
// Arguments: cpBody*
// Ret value: cpBody*
JSBool JSB_cpSpace_addBody(JSContext *cx, uint32_t argc, jsval *vp) {
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
struct jsb_c_proxy_s *proxy = jsb_get_c_proxy_for_jsobject(jsthis);
cpSpace* arg0 = (cpSpace*) proxy->handle;
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpBody* arg1;
jsval retval = *argvp; struct jsb_c_proxy_s *retproxy;
ok &= jsval_to_c_class( cx, *argvp++, (void**)&arg1, &retproxy );
JSB_PRECONDITION(ok, "Error processing arguments");
cpSpaceAddBody((cpSpace*)arg0 , (cpBody*)arg1 );
// Root it:
JS_AddNamedObjectRoot(cx, &retproxy->jsobj, "cpBody");
// addBody returns the same object that was added, so return it without conversions
JS_SET_RVAL(cx, vp, retval);
return JS_TRUE;
}
// Arguments: cpConstraint*
// Ret value: cpConstraint*
JSBool JSB_cpSpace_addConstraint(JSContext *cx, uint32_t argc, jsval *vp) {
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
struct jsb_c_proxy_s *proxy = jsb_get_c_proxy_for_jsobject(jsthis);
cpSpace* arg0 = (cpSpace*) proxy->handle;
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpConstraint* arg1;
jsval retval = *argvp; struct jsb_c_proxy_s *retproxy;
ok &= jsval_to_c_class( cx, *argvp++, (void**)&arg1, &retproxy );
JSB_PRECONDITION(ok, "Error processing arguments");
cpSpaceAddConstraint((cpSpace*)arg0 , (cpConstraint*)arg1 );
// Root it:
JS_AddNamedObjectRoot(cx, &retproxy->jsobj, "cpConstraint");
// addConstraint returns the same object that was added, so return it without conversions
JS_SET_RVAL(cx, vp, retval);
return JS_TRUE;
}
// Arguments: cpShape*
// Ret value: cpShape*
JSBool JSB_cpSpace_addShape(JSContext *cx, uint32_t argc, jsval *vp) {
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
struct jsb_c_proxy_s *proxy = jsb_get_c_proxy_for_jsobject(jsthis);
cpSpace* arg0 = (cpSpace*) proxy->handle;
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpShape* arg1;
jsval retval = *argvp; struct jsb_c_proxy_s *retproxy;
ok &= jsval_to_c_class( cx, *argvp++, (void**)&arg1, &retproxy );
JSB_PRECONDITION(ok, "Error processing arguments");
cpSpaceAddShape((cpSpace*)arg0 , (cpShape*)arg1 );
// Root it:
JS_AddNamedObjectRoot(cx, &retproxy->jsobj, "cpShape");
// addShape returns the same object that was added, so return it without conversions
JS_SET_RVAL(cx, vp, retval);
return JS_TRUE;
}
// Arguments: cpShape*
// Ret value: cpShape*
JSBool JSB_cpSpace_addStaticShape(JSContext *cx, uint32_t argc, jsval *vp) {
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
struct jsb_c_proxy_s *proxy = jsb_get_c_proxy_for_jsobject(jsthis);
cpSpace* arg0 = (cpSpace*) proxy->handle;
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpShape* arg1;
jsval retval = *argvp; struct jsb_c_proxy_s *retproxy;
ok &= jsval_to_c_class( cx, *argvp++, (void**)&arg1, &retproxy );
JSB_PRECONDITION(ok, "Error processing arguments");
cpSpaceAddStaticShape((cpSpace*)arg0 , (cpShape*)arg1 );
// Root it:
JS_AddNamedObjectRoot(cx, &retproxy->jsobj, "cpShape (static)");
// addStaticShape returns the same object that was added, so return it without conversions
JS_SET_RVAL(cx, vp, retval);
return JS_TRUE;
}
#pragma mark Remove functios. Untoot JSObjects
// Arguments: cpBody*
// Ret value: void
JSBool JSB_cpSpace_removeBody(JSContext *cx, uint32_t argc, jsval *vp) {
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
struct jsb_c_proxy_s *proxy = jsb_get_c_proxy_for_jsobject(jsthis);
cpSpace* arg0 = (cpSpace*) proxy->handle;
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpBody* arg1;
struct jsb_c_proxy_s *retproxy;
ok &= jsval_to_c_class( cx, *argvp++, (void**)&arg1, &retproxy );
JSB_PRECONDITION(ok, "Error processing arguments");
cpSpaceRemoveBody((cpSpace*)arg0 , (cpBody*)arg1 );
JS_RemoveObjectRoot(cx, &retproxy->jsobj);
JS_SET_RVAL(cx, vp, JSVAL_VOID);
return JS_TRUE;
}
// Arguments: cpConstraint*
// Ret value: void
JSBool JSB_cpSpace_removeConstraint(JSContext *cx, uint32_t argc, jsval *vp) {
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
struct jsb_c_proxy_s *proxy = jsb_get_c_proxy_for_jsobject(jsthis);
cpSpace* arg0 = (cpSpace*) proxy->handle;
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpConstraint* arg1;
struct jsb_c_proxy_s *retproxy;
ok &= jsval_to_c_class( cx, *argvp++, (void**)&arg1, &retproxy );
JSB_PRECONDITION(ok, "Error processing arguments");
cpSpaceRemoveConstraint((cpSpace*)arg0 , (cpConstraint*)arg1 );
JS_RemoveObjectRoot(cx, &retproxy->jsobj);
JS_SET_RVAL(cx, vp, JSVAL_VOID);
return JS_TRUE;
}
// Arguments: cpShape*
// Ret value: void
JSBool JSB_cpSpace_removeShape(JSContext *cx, uint32_t argc, jsval *vp) {
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
struct jsb_c_proxy_s *proxy = jsb_get_c_proxy_for_jsobject(jsthis);
cpSpace* arg0 = (cpSpace*) proxy->handle;
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpShape* arg1;
struct jsb_c_proxy_s *retproxy;
ok &= jsval_to_c_class( cx, *argvp++, (void**)&arg1, &retproxy );
JSB_PRECONDITION(ok, "Error processing arguments");
cpSpaceRemoveShape((cpSpace*)arg0 , (cpShape*)arg1 );
JS_RemoveObjectRoot(cx, &retproxy->jsobj);
JS_SET_RVAL(cx, vp, JSVAL_VOID);
return JS_TRUE;
}
// Arguments: cpShape*
// Ret value: void
JSBool JSB_cpSpace_removeStaticShape(JSContext *cx, uint32_t argc, jsval *vp) {
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
struct jsb_c_proxy_s *proxy = jsb_get_c_proxy_for_jsobject(jsthis);
cpSpace* arg0 = (cpSpace*) proxy->handle;
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpShape* arg1;
struct jsb_c_proxy_s *retproxy;
ok &= jsval_to_c_class( cx, *argvp++, (void**)&arg1, &retproxy );
JSB_PRECONDITION(ok, "Error processing arguments");
cpSpaceRemoveStaticShape((cpSpace*)arg0 , (cpShape*)arg1 );
JS_RemoveObjectRoot(cx, &retproxy->jsobj);
JS_SET_RVAL(cx, vp, JSVAL_VOID);
return JS_TRUE;
}
#pragma mark - Arbiter
#pragma mark getBodies
static
JSBool __jsb_cpArbiter_getBodies(JSContext *cx, jsval *vp, jsval *argvp, cpArbiter *arbiter, unsigned int is_oo)
{
cpBody *bodyA;
cpBody *bodyB;
cpArbiterGetBodies(arbiter, &bodyA, &bodyB);
jsval valA, valB;
if( is_oo ) {
valA = c_class_to_jsval(cx, bodyA, JSB_cpBody_object, JSB_cpBody_class, "cpArbiter");
valB = c_class_to_jsval(cx, bodyB, JSB_cpBody_object, JSB_cpBody_class, "cpArbiter");
} else {
valA = opaque_to_jsval(cx, bodyA);
valB = opaque_to_jsval(cx, bodyB);
}
JSObject *jsobj = JS_NewArrayObject(cx, 2, NULL);
JS_SetElement(cx, jsobj, 0, &valA);
JS_SetElement(cx, jsobj, 1, &valB);
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(jsobj));
return JS_TRUE;
}
// Free function
JSBool JSB_cpArbiterGetBodies(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
jsval *argvp = JS_ARGV(cx,vp);
cpArbiter* arbiter;
if( ! jsval_to_opaque( cx, *argvp++, (void**)&arbiter ) )
return JS_FALSE;
return __jsb_cpArbiter_getBodies(cx, vp, argvp, arbiter, 0);
}
// Method
JSBool JSB_cpArbiter_getBodies(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==0, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
JSB_PRECONDITION( jsthis, "Invalid jsthis object");
struct jsb_c_proxy_s* proxy = jsb_get_c_proxy_for_jsobject(jsthis);
JSB_PRECONDITION( proxy, "Invalid private object");
void *handle = proxy->handle;
return __jsb_cpArbiter_getBodies(cx, vp, JS_ARGV(cx,vp), (cpArbiter*)handle, 1);
}
#pragma mark getShapes
static
JSBool __jsb_cpArbiter_getShapes(JSContext *cx, jsval *vp, jsval *argvp, cpArbiter *arbiter, unsigned int is_oo)
{
cpShape *shapeA;
cpShape *shapeB;
cpArbiterGetShapes(arbiter, &shapeA, &shapeB);
jsval valA, valB;
if( is_oo ) {
valA = c_class_to_jsval(cx, shapeA, JSB_cpShape_object, JSB_cpShape_class, "cpShape");
valB = c_class_to_jsval(cx, shapeB, JSB_cpShape_object, JSB_cpShape_class, "cpShape");
} else {
valA = opaque_to_jsval(cx, shapeA);
valB = opaque_to_jsval(cx, shapeB);
}
JSObject *jsobj = JS_NewArrayObject(cx, 2, NULL);
JS_SetElement(cx, jsobj, 0, &valA);
JS_SetElement(cx, jsobj, 1, &valB);
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(jsobj));
return JS_TRUE;
}
// function
JSBool JSB_cpArbiterGetShapes(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
jsval *argvp = JS_ARGV(cx,vp);
cpArbiter* arbiter;
if( ! jsval_to_opaque( cx, *argvp++, (void**) &arbiter ) )
return JS_FALSE;
return __jsb_cpArbiter_getShapes(cx, vp, argvp, arbiter, 0);
}
// method
JSBool JSB_cpArbiter_getShapes(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==0, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
JSB_PRECONDITION( jsthis, "Invalid jsthis object");
struct jsb_c_proxy_s* proxy = jsb_get_c_proxy_for_jsobject(jsthis);
void *handle = proxy->handle;
return __jsb_cpArbiter_getShapes(cx, vp, JS_ARGV(cx,vp), (cpArbiter*)handle, 1);
}
#pragma mark - Body
#pragma mark constructor
// Manually added to identify static vs dynamic bodies
JSBool JSB_cpBody_constructor(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==2, cx, JS_FALSE, "Invalid number of arguments");
JSObject *jsobj = JS_NewObject(cx, JSB_cpBody_class, JSB_cpBody_object, NULL);
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
double m; double i;
ok &= JS_ValueToNumber( cx, *argvp++, &m );
ok &= JS_ValueToNumber( cx, *argvp++, &i );
JSB_PRECONDITION(ok, "Error processing arguments");
cpBody *ret_body = NULL;
if( m == INFINITY && i == INFINITY) {
ret_body = cpBodyNewStatic();
// XXX: Hack. IT WILL LEAK "rogue" objects., But at least it prevents a crash.
// The thing is that "rogue" bodies needs to be freed after the its shape, and I am not sure
// how to do it in a "js" way.
jsb_set_c_proxy_for_jsobject(jsobj, ret_body, JSB_C_FLAG_DO_NOT_CALL_FREE);
} else {
ret_body = cpBodyNew((cpFloat)m , (cpFloat)i );
jsb_set_c_proxy_for_jsobject(jsobj, ret_body, JSB_C_FLAG_CALL_FREE);
}
jsb_set_jsobject_for_proxy(jsobj, ret_body);
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(jsobj));
return JS_TRUE;
}
#pragma mark getUserData
static
JSBool __jsb_cpBody_getUserData(JSContext *cx, jsval *vp, jsval *argvp, cpBody *body)
{
JSObject *data = (JSObject*) cpBodyGetUserData(body);
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(data));
return JS_TRUE;
}
// free function
JSBool JSB_cpBodyGetUserData(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
jsval *argvp = JS_ARGV(cx,vp);
cpBody *body;
if( ! jsval_to_opaque( cx, *argvp++, (void**) &body ) )
return JS_FALSE;
return __jsb_cpBody_getUserData(cx, vp, argvp, body);
}
// method
JSBool JSB_cpBody_getUserData(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==0, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
JSB_PRECONDITION( jsthis, "Invalid jsthis object");
struct jsb_c_proxy_s* proxy = jsb_get_c_proxy_for_jsobject(jsthis);
void *handle = proxy->handle;
return __jsb_cpBody_getUserData(cx, vp, JS_ARGV(cx,vp), (cpBody*)handle);
}
#pragma mark setUserData
static
JSBool __jsb_cpBody_setUserData(JSContext *cx, jsval *vp, jsval *argvp, cpBody *body)
{
JSObject *jsobj;
JSBool ok = JS_ValueToObject(cx, *argvp++, &jsobj);
JSB_PRECONDITION(ok, "Error parsing arguments");
cpBodySetUserData(body, jsobj);
JS_SET_RVAL(cx, vp, JSVAL_VOID);
return JS_TRUE;
}
// free function
JSBool JSB_cpBodySetUserData(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==2, cx, JS_FALSE, "Invalid number of arguments");
jsval *argvp = JS_ARGV(cx,vp);
cpBody *body;
JSBool ok = jsval_to_opaque( cx, *argvp++, (void**) &body );
JSB_PRECONDITION(ok, "Error parsing arguments");
return __jsb_cpBody_setUserData(cx, vp, argvp, body);
}
// method
JSBool JSB_cpBody_setUserData(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
JSB_PRECONDITION( jsthis, "Invalid jsthis object");
struct jsb_c_proxy_s* proxy = jsb_get_c_proxy_for_jsobject(jsthis);
void *handle = proxy->handle;
return __jsb_cpBody_setUserData(cx, vp, JS_ARGV(cx,vp), (cpBody*)handle);
}
#pragma mark - Poly related
// cpFloat cpAreaForPoly(const int numVerts, const cpVect *verts);
JSBool JSB_cpAreaForPoly(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpVect *verts;
int numVerts;
ok &= jsval_to_array_of_cpvect( cx, *argvp++, &verts, &numVerts);
JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error parsing array");
cpFloat area = cpAreaForPoly(numVerts, verts);
free(verts);
JS_SET_RVAL(cx, vp, DOUBLE_TO_JSVAL(area));
return JS_TRUE;
}
// cpFloat cpMomentForPoly(cpFloat m, int numVerts, const cpVect *verts, cpVect offset);
JSBool JSB_cpMomentForPoly(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==3, cx, JS_FALSE, "Invalid number of arguments");
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpVect *verts; cpVect offset;
int numVerts;
double m;
ok &= JS_ValueToNumber(cx, *argvp++, &m);
ok &= jsval_to_array_of_cpvect( cx, *argvp++, &verts, &numVerts);
ok &= jsval_to_cpVect( cx, *argvp++, (cpVect*) &offset );
JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error parsing args");
cpFloat moment = cpMomentForPoly((cpFloat)m, numVerts, verts, offset);
free(verts);
JS_SET_RVAL(cx, vp, DOUBLE_TO_JSVAL(moment));
return JS_TRUE;
}
// cpVect cpCentroidForPoly(const int numVerts, const cpVect *verts);
JSBool JSB_cpCentroidForPoly(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpVect *verts;
int numVerts;
ok &= jsval_to_array_of_cpvect( cx, *argvp++, &verts, &numVerts);
JSB_PRECONDITION2(ok, cx, JS_FALSE, "Error parsing args");
cpVect centroid = cpCentroidForPoly(numVerts, verts);
free(verts);
JS_SET_RVAL(cx, vp, cpVect_to_jsval(cx, (cpVect)centroid));
return JS_TRUE;
}
// void cpRecenterPoly(const int numVerts, cpVect *verts);
JSBool JSB_cpRecenterPoly(JSContext *cx, uint32_t argc, jsval *vp)
{
CCAssert(false, "NOT IMPLEMENTED");
return JS_FALSE;
}
#pragma mark - Object Oriented Chipmunk
/*
* Chipmunk Base Object
*/
JSClass* JSB_cpBase_class = NULL;
JSObject* JSB_cpBase_object = NULL;
// Constructor
JSBool JSB_cpBase_constructor(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2( argc==1, cx, JS_FALSE, "Invalid arguments. Expecting 1");
JSObject *jsobj = JS_NewObject(cx, JSB_cpBase_class, JSB_cpBase_object, NULL);
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
void *handle = NULL;
ok = jsval_to_opaque(cx, *argvp++, &handle);
JSB_PRECONDITION(ok, "Error converting arguments for JSB_cpBase_constructor");
jsb_set_c_proxy_for_jsobject(jsobj, handle, JSB_C_FLAG_DO_NOT_CALL_FREE);
jsb_set_jsobject_for_proxy(jsobj, handle);
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(jsobj));
return JS_TRUE;
}
// Destructor
void JSB_cpBase_finalize(JSFreeOp *fop, JSObject *obj)
{
CCLOGINFO("jsbindings: finalizing JS object %p (cpBase)", obj);
// should not delete the handle since it was manually added
}
JSBool JSB_cpBase_getHandle(JSContext *cx, uint32_t argc, jsval *vp)
{
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
JSB_PRECONDITION( jsthis, "Invalid jsthis object");
JSB_PRECONDITION2(argc==0, cx, JS_FALSE, "Invalid number of arguments");
struct jsb_c_proxy_s* proxy = jsb_get_c_proxy_for_jsobject(jsthis);
void *handle = proxy->handle;
jsval ret_val = opaque_to_jsval(cx, handle);
JS_SET_RVAL(cx, vp, ret_val);
return JS_TRUE;
}
JSBool JSB_cpBase_setHandle(JSContext *cx, uint32_t argc, jsval *vp)
{
JSObject* jsthis = (JSObject *)JS_THIS_OBJECT(cx, vp);
JSB_PRECONDITION( jsthis, "Invalid jsthis object");
JSB_PRECONDITION2(argc==1, cx, JS_FALSE, "Invalid number of arguments");
jsval *argvp = JS_ARGV(cx,vp);
void *handle;
JSBool ok = jsval_to_opaque(cx, *argvp++, &handle);
JSB_PRECONDITION( ok, "Invalid parsing arguments");
jsb_set_c_proxy_for_jsobject(jsthis, handle, JSB_C_FLAG_DO_NOT_CALL_FREE);
jsb_set_jsobject_for_proxy(jsthis, handle);
JS_SET_RVAL(cx, vp, JSVAL_VOID);
return JS_TRUE;
}
void JSB_cpBase_createClass(JSContext *cx, JSObject* globalObj, const char* name )
{
JSB_cpBase_class = (JSClass *)calloc(1, sizeof(JSClass));
JSB_cpBase_class->name = name;
JSB_cpBase_class->addProperty = JS_PropertyStub;
JSB_cpBase_class->delProperty = JS_PropertyStub;
JSB_cpBase_class->getProperty = JS_PropertyStub;
JSB_cpBase_class->setProperty = JS_StrictPropertyStub;
JSB_cpBase_class->enumerate = JS_EnumerateStub;
JSB_cpBase_class->resolve = JS_ResolveStub;
JSB_cpBase_class->convert = JS_ConvertStub;
JSB_cpBase_class->finalize = JSB_cpBase_finalize;
JSB_cpBase_class->flags = JSCLASS_HAS_PRIVATE;
static JSPropertySpec properties[] = {
{0, 0, 0, 0, 0}
};
static JSFunctionSpec funcs[] = {
JS_FN("getHandle", JSB_cpBase_getHandle, 0, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FN("setHandle", JSB_cpBase_setHandle, 1, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FS_END
};
static JSFunctionSpec st_funcs[] = {
JS_FS_END
};
JSB_cpBase_object = JS_InitClass(cx, globalObj, NULL, JSB_cpBase_class, JSB_cpBase_constructor,0,properties,funcs,NULL,st_funcs);
JSBool found;
JS_SetPropertyAttributes(cx, globalObj, name, JSPROP_ENUMERATE | JSPROP_READONLY, &found);
}
// Manual "methods"
// Constructor
JSBool JSB_cpPolyShape_constructor(JSContext *cx, uint32_t argc, jsval *vp)
{
JSB_PRECONDITION2(argc==3, cx, JS_FALSE, "Invalid number of arguments");
JSObject *jsobj = JS_NewObject(cx, JSB_cpPolyShape_class, JSB_cpPolyShape_object, NULL);
jsval *argvp = JS_ARGV(cx,vp);
JSBool ok = JS_TRUE;
cpBody* body; cpVect *verts; cpVect offset;
int numVerts;
ok &= jsval_to_c_class( cx, *argvp++, (void**)&body, NULL );
ok &= jsval_to_array_of_cpvect( cx, *argvp++, &verts, &numVerts);
ok &= jsval_to_cpVect( cx, *argvp++, (cpVect*) &offset );
JSB_PRECONDITION(ok, "Error processing arguments");
cpShape *shape = cpPolyShapeNew(body, numVerts, verts, offset);
jsb_set_c_proxy_for_jsobject(jsobj, shape, JSB_C_FLAG_DO_NOT_CALL_FREE);
jsb_set_jsobject_for_proxy(jsobj, shape);
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(jsobj));
free(verts);
return JS_TRUE;
}
#pragma mark Space Free functions
//
// When the space is removed, it should all remove its children. But not "free" them.
// "free" will be performed by the JS Garbage Collector
//
// Functions copied & pasted from ChipmunkDemo.c
// https://github.com/slembcke/Chipmunk-Physics/blob/master/Demo/ChipmunkDemo.c#L89
//
static void unroot_jsobject_from_handle(void *handle)
{
JSObject *jsobj = jsb_get_jsobject_for_proxy(handle);
struct jsb_c_proxy_s *proxy = jsb_get_c_proxy_for_jsobject(jsobj);
// HACK context from global
JSContext *cx = ScriptingCore::getInstance()->getGlobalContext();
JS_RemoveObjectRoot(cx, &proxy->jsobj);
}
static void shapeFreeWrap(cpSpace *space, cpShape *shape, void *unused){
cpSpaceRemoveShape(space, shape);
unroot_jsobject_from_handle(shape);
// cpShapeFree(shape);
}
static void postShapeFree(cpShape *shape, cpSpace *space){
cpSpaceAddPostStepCallback(space, (cpPostStepFunc)shapeFreeWrap, shape, NULL);
}
static void constraintFreeWrap(cpSpace *space, cpConstraint *constraint, void *unused){
cpSpaceRemoveConstraint(space, constraint);
unroot_jsobject_from_handle(constraint);
// cpConstraintFree(constraint);
}
static void postConstraintFree(cpConstraint *constraint, cpSpace *space){
cpSpaceAddPostStepCallback(space, (cpPostStepFunc)constraintFreeWrap, constraint, NULL);
}
static void bodyFreeWrap(cpSpace *space, cpBody *body, void *unused){
cpSpaceRemoveBody(space, body);
unroot_jsobject_from_handle(body);
// cpBodyFree(body);
}
static void postBodyFree(cpBody *body, cpSpace *space){
cpSpaceAddPostStepCallback(space, (cpPostStepFunc)bodyFreeWrap, body, NULL);
}
// Safe and future proof way to remove and free all objects that have been added to the space.
void static freeSpaceChildren(cpSpace *space)
{
// Must remove these BEFORE freeing the body or you will access dangling pointers.
cpSpaceEachShape(space, (cpSpaceShapeIteratorFunc)postShapeFree, space);
cpSpaceEachConstraint(space, (cpSpaceConstraintIteratorFunc)postConstraintFree, space);
cpSpaceEachBody(space, (cpSpaceBodyIteratorFunc)postBodyFree, space);
}
#endif // JSB_INCLUDE_CHIPMUNK