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image_manager.cpp
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image_manager.cpp
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/* Copyright (c) 2012 Cheese and Bacon Games, LLC */
/* This file is licensed under the MIT License. */
/* See the file docs/LICENSE.txt for the full license text. */
#include "image_manager.h"
#include "file_io.h"
#include "log.h"
#include "vfs.h"
#include <boost/algorithm/string.hpp>
using namespace std;
vector<Image_Data> Image_Manager::images;
vector<string> Image_Manager::image_names;
Image_Data* Image_Manager::error_image = 0;
void Image_Manager::set_error_image () {
error_image = get_image("error");
}
void Image_Manager::add_image (string name, SDL_Surface* surface) {
images.push_back(Image_Data());
images.back().load_image(surface);
image_names.push_back(name);
}
void Image_Manager::remove_image (string name) {
for (int i = 0; i < image_names.size(); i++) {
if (image_names[i] == name) {
image_names.erase(image_names.begin() + i);
images[i].unload_image();
images.erase(images.begin() + i);
break;
}
}
}
void Image_Manager::load_images () {
error_image = 0;
vector<string> file_list = VFS::get_file_list("images");
for (const auto& file : file_list) {
string file_name = file;
boost::algorithm::erase_first(file_name, "images/");
// Only load .png image files
if (boost::algorithm::ends_with(file_name, ".png")) {
image_names.push_back(file_name);
}
}
for (int i = 0; i < image_names.size(); i++) {
images.push_back(Image_Data());
images.back().load_image("images/" + image_names[i]);
image_names[i].erase(image_names[i].end() - 4, image_names[i].end());
}
}
void Image_Manager::unload_images () {
for (int i = 0; i < images.size(); i++) {
images[i].unload_image();
}
images.clear();
image_names.clear();
error_image = 0;
}
Image_Data* Image_Manager::get_image (string name) {
Image_Data* ptr_object = 0;
for (size_t i = 0; i < image_names.size(); i++) {
if (image_names[i] == name) {
ptr_object = &images[i];
break;
}
}
if (ptr_object == 0) {
Log::add_error("Error accessing image '" + name + "'");
ptr_object = error_image;
if (ptr_object == 0) {
Log::add_error("Error accessing error image! Really?!");
}
}
return ptr_object;
}