BitmapStore.cpp

#include "BitmapStore.h"
#include <assert.h>

using namespace sf;
using namespace std;

BitmapStore* BitmapStore::m_s_Instance = nullptr;

BitmapStore::BitmapStore()
{
	assert(m_s_Instance == nullptr);
	m_s_Instance = this;
}

void BitmapStore::addBitmap(std::string const& filename)
{
	// Get a reference to m_Textures using m_S_Instance
	auto& bitmapsMap = m_s_Instance->m_BitmapsMap;
	// auto is the equivalent of map<string, Texture>

	// Create an iterator to hold a key-value-pair (kvp)
	// and search for the required kvp
	// using the passed in file name
	auto keyValuePair = bitmapsMap.find(filename);
	// auto is equivalent of map<string, Texture>::iterator

	// No match found so save the texture in the map
	if (keyValuePair == bitmapsMap.end())
	{
		// Create a new key value pair using the filename
		auto& texture = bitmapsMap[filename];
		// Load the texture from file in the usual way
		texture.loadFromFile(filename);
	}

}

sf::Texture& BitmapStore::getBitmap(std::string const& filename)
{
	// Get a reference to m_Textures using m_S_Instance
	auto& m = m_s_Instance->m_BitmapsMap;
	// auto is the equivalent of map<string, Texture>

	// Create an iterator to hold a key-value-pair (kvp)
	// and search for the required kvp
	// using the passed in file name
	auto keyValuePair = m.find(filename);
	// auto is equivalent of map<string, Texture>::iterator	

	// Did we find a match?
	if (keyValuePair != m.end())
	{
		return keyValuePair->second;
	}
	else
	{
#ifdef debuggingOnConsole 		
		cout <<
			"BitmapStore::getBitmap()Texture not found Crrrashh!"
			<< endl;
#endif
		return keyValuePair->second;
	}
}