Resource *Loader::loadModel(const conftree::Node &node, const string &name)
{
Resource *mesh = load(node.at("mesh").value());
if(mesh->type() != Resource::MESH)
throw ResourceException(m_datafile.name(), name, mesh->name() + " is not a mesh!");
Resource *shader = load(node.at("shader").value());
if(shader->type() != Resource::SHADER_PROGRAM)
throw ResourceException(m_datafile.name(), name, shader->name() + " is not a shader program!");
Model::SamplerTextures textures;
conftree::Node texnodes = node.opt("textures");
for(unsigned int i=0;i<texnodes.items();++i) {
const conftree::Node &n = texnodes.at(i);
Resource *tr = load(n.at("texture").value());
if(tr->type() != Resource::TEXTURE)
throw ResourceException(m_datafile.name(), name, shader->name() + " is not a texture!");
textures.push_back(Model::SamplerTexture(
n.at("sampler").value(),
static_cast<Texture*>(tr)
));
}
bool blend = node.opt("blend").value("false") == "true";
return Model::make(
name,
static_cast<Mesh*>(mesh),
static_cast<Program*>(shader),
textures,
blend
);
}
Loader::Loader(fs::DataFile& datafile, const string& filename)
: m_datafile(datafile)
{
// Load configuration file
std::vector<conftree::Node> nodes = conftree::parseMultiDocYAML(datafile, filename);
// Sanity checks
if(nodes.empty())
throw ResourceException(datafile.name(), filename, "Not a YAML file!");
if(nodes.size() > 2)
throw ResourceException(datafile.name(), filename, "Resource file should contain at most two documents!");
if(nodes[0].type() != conftree::Node::MAP)
throw ResourceException(datafile.name(), filename, "Resource file should contain a Map!");
if(nodes.size() > 1) {
// Header present
m_node = nodes[1];
parseHeader(datafile, nodes[0]);
} else {
// No header
m_node = nodes[0];
}
}
GraphPtr loadGraph( const std::string & fileName ) throw ( ResourceException ) {
Resource * rsrc = ResourceManager::getResource( fileName, &Graph::load, Graph::LABEL );
if ( rsrc == 0x0 ) {
logger << Logger::ERR_MSG << "No resource available\n";
throw ResourceException();
}
Graph * graph = dynamic_cast< Graph * >( rsrc );
if ( graph == 0x0 ) {
logger << Logger::ERR_MSG << "Resource with name " << fileName << " is not a Graph\n";
throw ResourceException();
}
return GraphPtr( graph );
}
Resource *Loader::loadMesh(const conftree::Node &node, const string &name)
{
conftree::Node srcnode = node.at("src");
std::unordered_map<string, string> sources;
switch(srcnode.type()) {
case conftree::Node::SCALAR:
sources["0"] = srcnode.value();
break;
case conftree::Node::MAP:
for(const string &mesh : srcnode.itemSet())
sources[mesh] = srcnode.at(mesh).value();
break;
default:
throw ResourceException(m_datafile.name(), name, "src must be a scalar or a map!");
}
glm::vec3 offset = node2vec3(node.opt("offset"));
glm::vec3 scale = node2vec3(node.opt("scale"), glm::vec3(1.0f));
return Mesh::load(
name,
m_datafile,
sources,
offset,
scale
);
}
/**
* Find a given file in the search paths
*
* @param file Filename to find in path
*
* @return The complete file path or the empty string if file is not found in path
*/
string DirectoryManager::FindFileInPath(string file) {
// looking in path cache for file -> fullpath
map<string, string>::iterator thefile = pathcache.find(file);
if (thefile != pathcache.end())
return thefile->second;
// file not found in cache, looking it up!
list<string> possibles;
// check for a global path as well
if (File::Exists(file))
possibles.push_back(file);
for (list<string>::iterator itr = paths.begin(); itr != paths.end(); itr++) {
string p = (*itr) + file;
if (File::Exists(p)) {
possibles.push_back(p);
}
}
if (possibles.size() == 1) {
pathcache[file] = *possibles.begin();
return *possibles.begin();
} else if (possibles.size() > 1) {
string s = *possibles.begin();
logger.warning << "Found more then one file matching the name given: " << file << logger.end;
for (list<string>::iterator itr = possibles.begin(); itr != possibles.end(); itr++) {
logger.warning << (*itr) << logger.end;
}
pathcache[file] = s;
return s;
}
throw ResourceException("Could not locate: " + file);
}
Font *Font::load(
const string& name,
fs::DataFile &datafile,
const string &descfile,
Texture *texture,
Program *program)
{
// Load font description
string fontdesc;
{
fs::DataStream ds(datafile, descfile);
fontdesc = string(
(std::istreambuf_iterator<char>(ds)),
std::istreambuf_iterator<char>());
}
CharMap charmap;
try {
charmap = parseFontDescription(fontdesc);
} catch(const ResourceException &ex) {
throw ResourceException(datafile.name(), descfile, ex.error());
}
// Private implementation class handles the rest
FontImpl *impl = new FontImpl(charmap, texture, program);
Font *res = new Font(name, impl);
Resources::getInstance().registerResource(res);
return res;
}
Resource *Loader::loadFont(const conftree::Node &node, const string &name)
{
Resource *texture = load(node.at("texture").value());
if(texture->type() != Resource::TEXTURE)
throw ResourceException(m_datafile.name(), name, texture->name() + " is not a texture!");
Resource *shader = load(node.at("shader").value());
if(shader->type() != Resource::SHADER_PROGRAM)
throw ResourceException(m_datafile.name(), name, shader->name() + " is not a shader program!");
return Font::load(
name,
m_datafile,
node.at("description").value(),
static_cast<Texture*>(texture),
static_cast<Program*>(shader));
}
void CEffect::Load()
{
EffectParser parser;
if(!parser.Parse(mUrl.Name.c_str(), &mDesc, &mEffectFile))
{
ASSERT_SOFT(false);
LogErrorAlways("Failed to load effect: %s", mUrl.Name.c_str());
throw ResourceException("Failed to load effect");
}
}
Resource *Loader::load(const string& name)
{
// First step: see if the resource has already been loaded
try {
return Resources::getInstance().getResource(name);
} catch(const NotFound &ex) {
// not loaded yet
}
conftree::Node resnode;
try {
resnode = m_node.at(name);
} catch(const conftree::BadNode &ex) {
throw NotFound(m_datafile.name(), name);
}
// Check resource type and dispatch to relevant handler
string type;
try {
type = resnode.at("type").value();
} catch(const conftree::BadNode &ex) {
throw ResourceException(m_datafile.name(), name, "missing resource type!");
}
if(type=="program")
return loadProgram(resnode, name);
else if(type=="shader")
return loadShader(resnode, name);
else if(type=="texture")
return loadTexture(resnode, name);
else if(type=="mesh")
return loadMesh(resnode, name);
else if(type=="model")
return loadModel(resnode, name);
else if(type=="font")
return loadFont(resnode, name);
else
throw ResourceException(m_datafile.name(), name, "Unknown resource type: " + type);
}
void SampleResourceManager::loadWAVMemory(const ubyte* memory, ALenum& format, ubyte*& data,
uint& size, uint& freq)
{
WaveHeader wavHeader;
std::memcpy(&wavHeader, memory, sizeof(WaveHeader));
// check vital fields of WAV file for validation
if(wavHeader.fmt.format != 1)
{
throw ResourceException("Error loading WAV: Non-PCM format WAV");
}
if(wavHeader.riff.chunkID != WaveHeader::RIFF)
{
throw ResourceException("Error loading WAV: Invalid RIFF chunk.");
}
if(wavHeader.riff.format != WaveHeader::WAVE)
{
throw ResourceException("Error loading WAV: Invalid WAVE header.");
}
if(wavHeader.fmt.chunkID != WaveHeader::FMT)
{
throw ResourceException("Error loading WAV: Invalid FMT chunk.");
}
if(wavHeader.chunkID != WaveHeader::DATA)
{
throw ResourceException("Error loading WAV: Invalid DATA chunk.");
}
// set OpenAL format based on channels & bitsPerSample
if(wavHeader.fmt.numChannels == 1 && wavHeader.fmt.bitsPerSample == 8)
{
format = AL_FORMAT_MONO8;
}
else if(wavHeader.fmt.numChannels == 1 && wavHeader.fmt.bitsPerSample == 16)
{
format = AL_FORMAT_MONO16;
}
else if(wavHeader.fmt.numChannels == 2 && wavHeader.fmt.bitsPerSample == 8)
{
format = AL_FORMAT_STEREO8;
}
else if(wavHeader.fmt.numChannels == 2 && wavHeader.fmt.bitsPerSample == 16)
{
format = AL_FORMAT_STEREO16;
}
else
{
throw ResourceException("Error loading WAV: Invalid audio format.");
}
// copy size and frequency
size = wavHeader.dataSize;
freq = wavHeader.fmt.sampleRate;
// allocate space and copy data
data = new ubyte[size];
std::memcpy(data, memory+sizeof(WaveHeader), size);
}
void MeshResource::_remove_resource(const std::string& fileName)
{
if (_resources.find(fileName) == _resources.end())
{
throw ResourceException("No mesh resource named " + fileName + " found.");
}
_resources.at(fileName).get()->decreaseRefCout();
if (_resources.at(fileName).get()->hasNoReference())
{
_resources.erase(fileName);
}
}
/**
* Run init script.
* @throws ResourceException when data are not available
*/
void
Application::customizeGame()
{
Path initfile = Path::dataReadPath("script/init.lua");
if (initfile.exists()) {
ScriptAgent::agent()->scriptInclude(initfile);
}
else {
throw ResourceException(ExInfo("init file not found")
.addInfo("path", initfile.getNative())
.addInfo("systemdir",
OptionAgent::agent()->getParam("systemdir"))
.addInfo("userdir",
OptionAgent::agent()->getParam("userdir"))
.addInfo("hint",
"try command line option \"systemdir=path/to/data\""));
}
}
Resource *Loader::loadShader(const conftree::Node &node, const string &name)
{
string stype = node.at("subtype").value();
Resource::Type type;
if(stype == "vertex")
type = Resource::VERTEX_SHADER;
else if(stype == "fragment")
type = Resource::FRAGMENT_SHADER;
else if(stype == "geometry")
type = Resource::GEOMETRY_SHADER;
else
throw ResourceException(m_datafile.name(), name, "Unrecognized shader type: " + stype);
return Shader::load(
name,
m_datafile,
node.at("src").value(),
type
);
}
void CCubeTexture::Load()
{
IDirect3DCubeTexture9* tex;
if(D3DXCreateCubeTextureFromFileA(((CD3DRenderer*)g_Renderer)->GetDevice(), mUrl.Name.c_str(), &tex) != S_OK)
{
LogErrorAlways("Failed to load cube texture data from %s", mUrl.Name.c_str());
throw ResourceException("Resource loading failed");
}
mTexture = tex;
// Reload params
D3DSURFACE_DESC desc;
memset(&desc, 0, sizeof(D3DSURFACE_DESC));
HR(tex->GetLevelDesc(0, &desc));
mSurfaceDesc.Width = desc.Width;
mSurfaceDesc.Height = desc.Height;
mSurfaceDesc.Format = FromDXFormat(desc.Format);
mSurfaceDesc.Type = SFC_CUBETEXTURE;
}
void ResourceManager::LoadMesh(const std::string& fileName, Mesh& mesh)
{
std::vector<std::string> splits;
int split_length = 0;
split_length = _split_string(fileName, std::string("."), splits);
IndexedModel *model;
if (splits[split_length - 1] == "obj")
{
model = new ObjModel(fileName);
model->loadToMesh(&mesh);
delete model;
}
else
{
throw ResourceException("Mesh loading for file type " + splits[split_length - 1] + " not implemented yet");
}
}
void ResourceManager::loadAudio(const std::string& fileName, AudioResource *resource)
{
std::vector<std::string> splits;
int split_length = 0;
split_length = _split_string(fileName, std::string("."), splits);
AudioModel *model;
if (splits[split_length - 1] == "wav")
{
// Parse
model = new WavModel(std::string(fileName));
model->loadToAudio(resource);
delete model;
}
else
{
throw ResourceException("Audio loading for file " + fileName + " not implemented yet.");
}
}
void ResourceManager::LoadShader(const std::string& fileName, std::string& shader_string)
{
shader_string.clear();
// Find path of the file - for later use
std::string path;
_get_path(fileName, path);
std::ifstream file;
file.open(fileName.c_str());
std::string line;
if (file.is_open())
{
while (file.good())
{
std::getline(file, line);
if (line.find(INCLUDE_KEYWORD) != std::string::npos)
{
// Parse included files
std::vector<std::string> include_file;
_split_string(line, " ", include_file);
std::string included_file_string;
LoadShader(path + include_file[1].substr(1, include_file[1].length() - 2), included_file_string);
shader_string.append(included_file_string + "\n");
}
else
{
shader_string.append(line + "\n");
}
}
}
else
{
throw ResourceException("Unable to load shader: " + fileName);
}
}
Resource *Loader::loadProgram(const conftree::Node &node, const string &name)
{
Program *pr = Program::make(name);
const conftree::Node &shaders = node.at("shaders");
for(unsigned int i=0;i<shaders.items();++i) {
const conftree:: Node &n = shaders.at(i);
Resource *sr = load(n.value());
if(!sr) {
Resources::getInstance().unloadResource(pr->name());
return nullptr;
} else if(!dynamic_cast<Shader*>(sr)) {
throw ResourceException(m_datafile.name(), sr->name(), "resource is not a shader!");
}
pr->addShader(static_cast<Shader*>(sr));
}
pr->link();
return pr;
}
ImageReader::ImageHandle ImageReader::getImage(text::string_hash id)
{
if (hasProduct(id))
return getProduct(id);
// Image is not in cache, load it.
const std::string& url = text::get(id);
INFO_OUT(TAG, "Loading image %s", url.c_str());
FILE* fp = fopen(url.c_str(), "rb");
if (fp == NULL)
throw ResourceException("Cannot open file.");
if ( !isPNGFile(fp) )
{
fclose(fp);
throw ResourceException("File is not PNG.");
}
png_structp pngStruct = png_create_read_struct(PNG_LIBPNG_VER_STRING, nullptr, nullptr, nullptr);
if (!pngStruct)
{
fclose(fp);
throw ResourceException("[LIBPNG] Error creating read struct.");
}
png_infop pngInfo = png_create_info_struct(pngStruct);
if (!pngInfo)
{
png_destroy_read_struct(&pngStruct, nullptr, nullptr);
fclose(fp);
throw ResourceException("[LIBPNG] Error creating info struct.");
}
if ( setjmp(png_jmpbuf(pngStruct)) )
{
png_destroy_read_struct(&pngStruct, &pngInfo, nullptr);
fclose(fp);
throw ResourceException("Error while reading file.");
}
png_init_io(pngStruct, fp);
png_set_sig_bytes(pngStruct, pngHeaderCheckSize);
// FIXME Write directly to buffer, don't copy.
png_read_png(pngStruct,
pngInfo,
PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_PACKING | PNG_TRANSFORM_EXPAND,
NULL);
struct
{
png_uint_32 width;
png_uint_32 height;
png_byte bitsPerPixel;
png_byte colorType;
png_size_t rowSize;
} imageData;
imageData.width = png_get_image_width(pngStruct, pngInfo);
imageData.height = png_get_image_height(pngStruct, pngInfo);
imageData.bitsPerPixel = png_get_bit_depth(pngStruct, pngInfo);
imageData.colorType = png_get_color_type(pngStruct, pngInfo);
imageData.rowSize = png_get_rowbytes(pngStruct, pngInfo);
// FIXME Let PixelFormat decide what format is suitable.
gr::PixelFormat fmt;
if (imageData.colorType == PNG_COLOR_TYPE_RGBA)
fmt = gr::PixelFormat::R8G8B8A8;
else
fmt = gr::PixelFormat::R8G8B8;
unsigned char* pixels = new unsigned char[imageData.rowSize * imageData.height];
png_bytepp rowPointers = png_get_rows(pngStruct, pngInfo);
for (unsigned int i = 0; i < imageData.height; i++)
memcpy(pixels + (imageData.rowSize * (imageData.height - 1 - i)),
rowPointers[i],
imageData.rowSize);
png_destroy_read_struct(&pngStruct, &pngInfo, NULL);
fclose(fp);
return addProduct(id, gr::Image((unsigned int) imageData.width,
(unsigned int) imageData.height,
fmt,
1u,
pixels));
}
void TextureResourceManager::loadResourceData(TextureResource &res,
const ResourceDescriptor& path)
{
corona::Image *image(0);
util::FileBuffer buf(path.path);
corona::File *file;
// load via FileBuffer to allow loading of archived content
std::vector<ubyte> data = buf.getData();
file = corona::CreateMemoryFile((ubyte*)&data[0],data.size());
if(!file)
{
throw APIError("corona::CreateMemoryFile failed");
}
image = corona::OpenImage(file,corona::PF_R8G8B8A8);
delete file;
if(!image)
{
throw ResourceException("Invalid image format.");
}
res.width = image->getWidth();
res.height = image->getHeight();
//size to allocate = w*h*4 = size of bitmap * bytes per pixel
res.pixels = new ubyte[res.width*res.height*4];
std::memcpy(res.pixels,image->getPixels(),res.width*res.height*4);
delete image; //no longer need image
// implementation of the color key
if(colorKey_.alpha == 0) //ck alpha == 0, means colorkey on
{
ubyte r,g,b;
ubyte *pxl=res.pixels;
// go through all pixels (width*height = numPixels)
for(uint i=0; i < res.width*res.height; ++i)
{
r = *pxl++; // get red component
g = *pxl++; // get green component
b = *pxl++; // get blue component
//set current pixel alpha = 0 if each component matches the colorKey
if(r == colorKey_.red &&
g == colorKey_.green &&
b == colorKey_.blue)
{
*pxl = 0; // make transparent
}
*pxl++; // go to next pixel
}
}
// actually bind the OpenGL texture
glGenTextures(1,&res.texID);
glBindTexture(GL_TEXTURE_2D,res.texID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_NEAREST_MIPMAP_LINEAR);
gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, res.width, res.height, GL_RGBA,
GL_UNSIGNED_BYTE, res.pixels);
}
void FontLoader::onAsset(Ptr<Font> font) {
// Load either an SDF font (no appended size) or a true-type rendered font
// for a specific size (appended size) after the #.
// FreeType measures font size in 1/64ths of pixels. So we multiply the
// height by 64 to get the right size
GLuint const ratio = font->loadSize() / font->size();
GLuint const border = 8; // Border around each glyph in the atlas
GLuint const dpi = 96;
FT_Face face = (FT_Face)font->face();
FT_Set_Char_Size(face, font->loadSize() << 6, font->loadSize() << 6, dpi, dpi);
FT_GlyphSlot glyph = face->glyph;
GLuint atlasHeight = 0;
GLuint atlasWidth = 0;
// Estimate the size of the texture atlas
for (GLubyte i = 32; i < 128; i++) {
if (FT_Load_Char(face, i, FT_LOAD_RENDER)) {
throw ResourceException("could not load font glyph: "+font->name());
}
atlasWidth += glyph->bitmap.width/ratio+2*border;
atlasHeight = std::max(atlasHeight, glyph->bitmap.rows/ratio+2*border);
}
glBindTexture(GL_TEXTURE_2D, font->id());
glTexImage2D(GL_TEXTURE_2D, 0, GL_RED, atlasWidth, atlasHeight, 0, GL_RED, GL_UNSIGNED_BYTE, 0);
// Generate the texture atlas
GLuint x = 0;
for (GLubyte i = 32; i < 128; i++) {
if (FT_Load_Char(face, i, FT_LOAD_RENDER)) {
throw ResourceException("could not load font glyph: "+font->name());
}
FT_Bitmap bitmap = glyph->bitmap;
GLuint const width = bitmap.width / ratio + 2*border;
GLuint const height = bitmap.rows / ratio + 2*border;
Glyph fontGlyph;
fontGlyph.texX = (GLfloat)(x+border)/(GLfloat)atlasWidth;
fontGlyph.texY = (GLfloat)(0+border)/(GLfloat)atlasHeight;
fontGlyph.texWidth = (GLfloat)(width-2*border)/(GLfloat)atlasWidth;
fontGlyph.texHeight = (GLfloat)(height-2*border)/(GLfloat)atlasHeight;
fontGlyph.advanceX = (GLfloat)(glyph->advance.x >> 6)/(GLfloat)font->loadSize();
fontGlyph.advanceY = (GLfloat)(glyph->advance.y >> 6)/(GLfloat)font->loadSize();
fontGlyph.width = (GLfloat)bitmap.width/(GLfloat)font->loadSize(); // ??
fontGlyph.height = (GLfloat)bitmap.rows/(GLfloat)font->loadSize(); // ??
fontGlyph.x = (GLfloat)glyph->bitmap_left/(GLfloat)font->loadSize(); // ??
fontGlyph.y = (GLfloat)(glyph->bitmap_top-bitmap.rows)/(GLfloat)font->loadSize(); // ??
font->glyphIs(i, fontGlyph);
if (font->type() == Font::SDF) {
std::vector<GLubyte> buffer(width * height);
distanceField(bitmap, ratio, border, &buffer[0]);
glTexSubImage2D(GL_TEXTURE_2D, 0, x, 0, width, height, GL_RED, GL_UNSIGNED_BYTE, &buffer[0]);
} else {
glTexSubImage2D(GL_TEXTURE_2D, 0, x+border, border, bitmap.width, bitmap.rows, GL_RED, GL_UNSIGNED_BYTE, bitmap.buffer);
}
if (glyph->advance.y != 0) {
throw ResourceException("invalid font: non-zero y-advance");
}
x += bitmap.width/ratio+2*border;
}
glGenerateMipmap(GL_TEXTURE_2D);
}
