35 lines
876 B
C
35 lines
876 B
C
#ifndef _fencer_asset_h
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#define _fencer_asset_h
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#include "drop.h"
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#include "typeclass_helpers.h"
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#include <SDL2/SDL_render.h>
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typedef uintptr_t asset_id;
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typedef struct {
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asset_id (*const get_id)(void*);
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void (*const set_id)(void*, asset_id);
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} IAsset;
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typedef struct Asset {
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void* data;
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IAsset const* tc;
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IDrop const* drop;
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} Asset;
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#define impl_Asset_for(T, get_id_f, set_id_f)\
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static inline Asset T##_as_Asset(T* x) {\
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TC_FN_TYPECHECK(asset_id, get_id_f, T*);\
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TC_FN_TYPECHECK(void, set_id_f, T*, asset_id);\
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TC_FN_TYPECHECK(Drop, T##_as_Drop, T*);\
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static IAsset const tc = {\
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.get_id = (asset_id(*const)(void*)) get_id_f,\
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.set_id = (void(*const)(void*,asset_id)) set_id_f,\
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};\
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IDrop const* drop = T##_as_Drop(x).tc;\
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return (Asset){.data=x, .tc=&tc, .drop=drop};\
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}
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#endif // !_fencer_asset_h
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