1 /* Copyright (c) 2013 Scott Lembcke and Howling Moon Software
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 #include "chipmunk/chipmunk_private.h"
25 cpSpatialIndexFree(cpSpatialIndex *index)
28 cpSpatialIndexDestroy(index);
34 cpSpatialIndexInit(cpSpatialIndex *index, cpSpatialIndexClass *klass, cpSpatialIndexBBFunc bbfunc, cpSpatialIndex *staticIndex)
37 index->bbfunc = bbfunc;
38 index->staticIndex = staticIndex;
41 cpAssertHard(!staticIndex->dynamicIndex, "This static index is already associated with a dynamic index.");
42 staticIndex->dynamicIndex = index;
48 typedef struct dynamicToStaticContext {
49 cpSpatialIndexBBFunc bbfunc;
50 cpSpatialIndex *staticIndex;
51 cpSpatialIndexQueryFunc queryFunc;
53 } dynamicToStaticContext;
56 dynamicToStaticIter(void *obj, dynamicToStaticContext *context)
58 cpSpatialIndexQuery(context->staticIndex, obj, context->bbfunc(obj), context->queryFunc, context->data);
62 cpSpatialIndexCollideStatic(cpSpatialIndex *dynamicIndex, cpSpatialIndex *staticIndex, cpSpatialIndexQueryFunc func, void *data)
64 if(staticIndex && cpSpatialIndexCount(staticIndex) > 0){
65 dynamicToStaticContext context = {dynamicIndex->bbfunc, staticIndex, func, data};
66 cpSpatialIndexEach(dynamicIndex, (cpSpatialIndexIteratorFunc)dynamicToStaticIter, &context);