76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/*
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Copyright (c) 2014, Matthias Schiffer <mschiffer@universe-factory.net>
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All rights reserved.
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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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1. Redistributions of source code must retain the above copyright notice,
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this 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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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <SDL.h>
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namespace RPGEdit {
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namespace View {
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class SpriteCache {
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private:
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struct SDL_Surface_deleter {
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void operator()(SDL_Surface *surface) const {
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SDL_FreeSurface(surface);
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}
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};
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typedef std::pair<std::string, int> sprite_key;
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typedef std::unique_ptr<SDL_Surface, SDL_Surface_deleter> sprite_value;
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struct sprite_key_hash {
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size_t operator()(const sprite_key &k) const {
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std::hash<std::string> string_hash;
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std::hash<int> int_hash;
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return string_hash(k.first) ^ int_hash(k.second);
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}
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};
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std::unordered_map<sprite_key, sprite_value, sprite_key_hash> sprites;
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sprite_value load(const std::string &id);
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sprite_value load(const std::string &id, unsigned rotation);
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sprite_value & get(const std::string &id, unsigned rotation);
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public:
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SDL_Surface * get(const std::string &type, const std::string &name, unsigned rotation = 0);
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void clear() {
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sprites.clear();
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}
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};
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}
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}
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