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662a9e99f5
- remove cocos2dx folder - change all include paths in cocos2d to be relative
145 lines
5.9 KiB
C++
Vendored
145 lines
5.9 KiB
C++
Vendored
/*******************************************************************************
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* Copyright (c) 2013, Esoteric Software
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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******************************************************************************/
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/*
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Implementation notes:
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- An OOP style is used where each "class" is made up of a struct and a number of functions prefixed with the struct name.
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- struct fields that are const are readonly. Either they are set in a create function and can never be changed, or they can only
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be changed by calling a function.
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- Inheritance is done using a struct field named "super" as the first field, allowing the struct to be cast to its "super class".
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This works because a pointer to a struct is guaranteed to be a pointer to the first struct field.
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- Classes intended for inheritance provide init/deinit functions which subclasses must call in their create/dispose functions.
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- Polymorphism is done by a base class providing function pointers in its init function. The public API delegates to this
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function.
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- Subclasses do not provide a dispose function, instead the base class' dispose function should be used, which will delegate to
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a dispose function.
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- Classes not designed for inheritance cannot be extended. They may use an internal subclass to hide private data and don't
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expose function pointers.
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- The public API hides implementation details such init/deinit functions. An internal API is exposed in extension.h to allow
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classes to be extended. Internal functions begin with underscore (_).
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- OOP in C tends to lose type safety. Macros are provided in extension.h to give context for why a cast is being done.
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*/
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#ifndef SPINE_EXTENSION_H_
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#define SPINE_EXTENSION_H_
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/* All allocation uses these. */
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#define MALLOC(TYPE,COUNT) ((TYPE*)_malloc(sizeof(TYPE) * COUNT))
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#define CALLOC(TYPE,COUNT) ((TYPE*)_calloc(1, sizeof(TYPE) * COUNT))
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#define NEW(TYPE) CALLOC(TYPE,1)
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/* Gets the direct super class. Type safe. */
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#define SUPER(VALUE) (&VALUE->super)
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/* Cast to a super class. Not type safe, use with care. Prefer SUPER() where possible. */
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#define SUPER_CAST(TYPE,VALUE) ((TYPE*)VALUE)
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/* Cast to a sub class. Not type safe, use with care. */
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#define SUB_CAST(TYPE,VALUE) ((TYPE*)VALUE)
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/* Casts away const. Can be used as an lvalue. Not type safe, use with care. */
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#define CONST_CAST(TYPE,VALUE) (*(TYPE*)&VALUE)
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/* Gets the vtable for the specified type. Not type safe, use with care. */
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#define VTABLE(TYPE,VALUE) ((_##TYPE##Vtable*)((TYPE*)VALUE)->vtable)
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/* Frees memory. Can be used on const types. */
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#define FREE(VALUE) _free((void*)VALUE)
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/* Allocates a new char[], assigns it to TO, and copies FROM to it. Can be used on const types. */
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#define MALLOC_STR(TO,FROM) strcpy(CONST_CAST(char*, TO) = (char*)malloc(strlen(FROM) + 1), FROM)
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#include <stdlib.h>
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#include <string.h>
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#include "Skeleton.h"
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#include "RegionAttachment.h"
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#include "Animation.h"
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#include "Atlas.h"
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#include "AttachmentLoader.h"
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namespace cocos2d { namespace extension {
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/*
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* Functions that must be implemented:
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*/
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void _AtlasPage_createTexture (AtlasPage* self, const char* path);
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void _AtlasPage_disposeTexture (AtlasPage* self);
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char* _Util_readFile (const char* path, int* length);
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/*
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* Internal API available for extension:
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*/
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void* _malloc (size_t size);
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void* _calloc (size_t num, size_t size);
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void _free (void* ptr);
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void _setMalloc (void* (*_malloc) (size_t size));
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void _setFree (void (*_free) (void* ptr));
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char* _readFile (const char* path, int* length);
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/**/
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void _AttachmentLoader_init (AttachmentLoader* self, /**/
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void (*dispose) (AttachmentLoader* self), /**/
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Attachment* (*newAttachment) (AttachmentLoader* self, Skin* skin, AttachmentType type, const char* name));
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void _AttachmentLoader_deinit (AttachmentLoader* self);
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void _AttachmentLoader_setError (AttachmentLoader* self, const char* error1, const char* error2);
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void _AttachmentLoader_setUnknownTypeError (AttachmentLoader* self, AttachmentType type);
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/**/
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void _Attachment_init (Attachment* self, const char* name, AttachmentType type, /**/
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void (*dispose) (Attachment* self));
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void _Attachment_deinit (Attachment* self);
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/**/
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void _Timeline_init (Timeline* self, /**/
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void (*dispose) (Timeline* self), /**/
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void (*apply) (const Timeline* self, Skeleton* skeleton, float time, float alpha));
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void _Timeline_deinit (Timeline* self);
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/**/
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void _CurveTimeline_init (CurveTimeline* self, int frameCount, /**/
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void (*dispose) (Timeline* self), /**/
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void (*apply) (const Timeline* self, Skeleton* skeleton, float time, float alpha));
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void _CurveTimeline_deinit (CurveTimeline* self);
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}} // namespace cocos2d { namespace extension {
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#endif /* SPINE_EXTENSION_H_ */
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