EffectRef SoundEngine::loadEffect(InputSourceRef inputSource)
{
FMOD_RESULT result = FMOD_OK;
FMOD::Sound *sound = NULL;
if (inputSource->isFile())
{
result = system->createSound(inputSource->getFilePath().c_str(), FMOD_DEFAULT, NULL, &sound);
}
else
{
auto buffer = inputSource->loadDataSource()->getBuffer();
FMOD_CREATESOUNDEXINFO exinfo;
memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
exinfo.length = buffer.getDataSize();
result = system->createSound(static_cast<const char*>(buffer.getData()), FMOD_DEFAULT | FMOD_OPENMEMORY, &exinfo, &sound);
}
if (result)
{
throw FMODException(result);
}
else
{
return make_shared<Effect>(inputSource, sound);
}
}
void TextureAtlas::init(InputSourceRef inputSource, bool useMipmap)
{
XmlTree doc(inputSource->loadDataSource());
auto texturePath = doc.getChild("TextureAtlas").getAttributeValue<string>("imagePath");
auto textureSource = inputSource->getSubSource(texturePath);
texture = textureManager.getTexture(textureSource, useMipmap);
float width = texture->getWidth();
float height = texture->getHeight();
// ---
for (auto spriteElement = doc.begin("TextureAtlas/sprite"); spriteElement != doc.end(); ++spriteElement)
{
auto spritePath = spriteElement->getAttributeValue<string>("n");
auto x = spriteElement->getAttributeValue<float>("x");
auto y = spriteElement->getAttributeValue<float>("y");
auto w = spriteElement->getAttributeValue<float>("w");
auto h = spriteElement->getAttributeValue<float>("h");
auto rotated = spriteElement->hasAttribute("r");
float ox, oy;
float ow, oh;
if (rotated)
{
oy = spriteElement->getAttributeValue<float>("oX", 0);
ox = spriteElement->getAttributeValue<float>("oY", 0);
ow = spriteElement->getAttributeValue<float>("oW", h);
oh = spriteElement->getAttributeValue<float>("oH", w);
}
else
{
ox = spriteElement->getAttributeValue<float>("oX", 0);
oy = spriteElement->getAttributeValue<float>("oY", 0);
ow = spriteElement->getAttributeValue<float>("oW", w);
oh = spriteElement->getAttributeValue<float>("oH", h);
}
float u1 = x / width;
float v1 = y / height;
float u2 = (x + w) / width;
float v2 = (y + h) / height;
sprites[spritePath] = make_shared<Sprite>(texture, w, h, ox, oy, ow, oh, rotated, u1, v1, u2, v2);
}
}
void XFont::read(InputSourceRef inputSource)
{
if (inputSource->isFile())
{
ifstream in(inputSource->getFilePath().c_str(), ifstream::binary);
readFromStream(in);
in.close();
}
else
{
DataSourceRef resource = inputSource->loadDataSource();
Buffer &buffer = resource->getBuffer();
ReadStreamBuffer tmp(buffer);
istream in(&tmp);
readFromStream(in);
}
}
FollowablePath::FollowablePath(InputSourceRef inputSource, int mode)
:
mode(mode)
{
if (inputSource->isFile())
{
ifstream in(inputSource->getFilePath().c_str(), ifstream::binary);
readFromStream(in);
in.close();
}
else
{
DataSourceRef resource = inputSource->loadDataSource();
Buffer &buffer = resource->getBuffer();
ReadStreamBuffer tmp(buffer);
istream in(&tmp);
readFromStream(in);
}
}
void FontManager::unload(InputSourceRef inputSource)
{
for (auto it = fonts.begin(); it != fonts.end();)
{
if (it->first.first == inputSource->getURI())
{
it = fonts.erase(it);
}
else
{
++it;
}
}
discardUnusedTextures();
}
EffectRef SoundEngine::preloadEffect(InputSourceRef inputSource)
{
string key = inputSource->getURI();
auto it = effects.find(key);
if (it == effects.end())
{
EffectRef effect = loadEffect(inputSource);
effects[key] = effect;
return effect;
}
else
{
return it->second;
}
}
std::shared_ptr<Font> FontManager::getCachedFont(InputSourceRef inputSource, const Font::Properties &properties)
{
auto uri = inputSource->getURI();
auto key = make_pair(uri, properties);
auto it1 = fonts.find(key);
if (it1 != fonts.end())
{
return it1->second;
}
else
{
FontData *data;
FontTexture *texture;
auto it2 = fontDataAndTextures.find(uri);
if (it2 == fontDataAndTextures.end())
{
FontAtlas *atlas;
tie(data, atlas) = fetchFontDataAndAtlas(inputSource); // CAN THROW
texture = new FontTexture(atlas, inputSource);
delete atlas;
fontDataAndTextures[uri] = make_pair(unique_ptr<FontData>(data), unique_ptr<FontTexture>(texture));
}
else
{
data = it2->second.first.get();
texture = it2->second.second.get();
}
auto font = shared_ptr<Font>(new Font(*this, data, texture, properties)); // make_shared WON'T WORK WITH A PROTECTED CONSTRUCTOR
fonts[key] = font;
return font;
}
}
std::pair<FontData*, FontAtlas*> FontManager::fetchFontDataAndAtlas(InputSourceRef source)
{
auto in = source->loadDataSource()->createStream(); // CAN THROW
string version;
in->readFixedString(&version, 10);
if (version != "XFONT.003")
{
throw runtime_error("Font: WRONG FORMAT");
}
// ---
int glyphCount;
in->readLittle(&glyphCount);
auto data = new FontData(glyphCount);
in->readLittle(&data->baseSize);
in->readLittle(&data->height);
in->readLittle(&data->ascent);
in->readLittle(&data->descent);
in->readLittle(&data->spaceAdvance);
in->readLittle(&data->strikethroughFactor);
in->readLittle(&data->underlineOffset);
in->readLittle(&data->lineThickness);
int atlasWidth;
int atlasHeight;
int atlasPadding;
int unitMargin;
int unitPadding;
in->readLittle(&atlasWidth);
in->readLittle(&atlasHeight);
in->readLittle(&atlasPadding);
in->readLittle(&unitMargin);
in->readLittle(&unitPadding);
auto atlas = new FontAtlas(atlasWidth, atlasHeight);
for (int i = 0; i < glyphCount; i++)
{
int glyphChar;
int glyphWidth;
int glyphHeight;
int glyphLeftExtent;
int glyphTopExtent;
int glyphAtlasX;
int glyphAtlasY;
in->readLittle(&glyphChar);
data->glyphs[(wchar_t)glyphChar] = i;
in->readLittle(&data->advance[i]);
in->readLittle(&glyphWidth);
in->readLittle(&glyphHeight);
in->readLittle(&glyphLeftExtent);
in->readLittle(&glyphTopExtent);
in->readLittle(&glyphAtlasX);
in->readLittle(&glyphAtlasY);
auto glyphData = new unsigned char[glyphWidth * glyphHeight];
in->readData(glyphData, glyphWidth * glyphHeight);
atlas->addGlyph(glyphData, glyphAtlasX + atlasPadding + unitMargin, glyphAtlasY + atlasPadding + unitMargin, glyphWidth, glyphHeight);
delete[] glyphData;
data->w[i] = glyphWidth + unitPadding * 2;
data->h[i] = glyphHeight + unitPadding * 2;
data->le[i] = glyphLeftExtent - unitPadding;
data->te[i] = glyphTopExtent + unitPadding;
int x = glyphAtlasX + atlasPadding + unitMargin - unitPadding;
int y = glyphAtlasY + atlasPadding + unitMargin - unitPadding;
data->u1[i] = x / (float)atlasWidth;
data->v1[i] = y / (float)atlasHeight;
data->u2[i] = (x + data->w[i]) / (float)atlasWidth;
data->v2[i] = (y + data->h[i]) / (float)atlasHeight;
}
return make_pair(data, atlas);
}