public GLTextureManager() {
final ResourceLoader<Texture> loader = getResourceLoader();
loader.add(
new ResourceDelegate<Texture>() {
public boolean isLoadable(final String _file) {
return true;
}
public Texture load(final String _file, final Settings _settings) {
return loadTextureASync(_file);
}
protected Texture loadTextureASync(final String _file) {
// We want to allocate the key for the resource so the texture
// is not reloaded if another object wishes to use it before
// the texture has fully loaded.
// The Renderer should skip the texture, until it is finally
// available to render/
add(_file, null);
TextureThread load = new TextureThread("LOAD_TEXTURE", _file);
load.start();
return null;
}
});
}
public GLProgramManager() {
final ResourceLoader<GLProgram> loader = getResourceLoader();
loader.add(
new ResourceDelegate<GLProgram>() {
public boolean isLoadable(final String _file) {
return GlobalFileSystem.isExtension(_file, ".jgl", ".JGL");
}
public GLProgram load(final String _file, final Settings _settings) {
final FileStream stream = GlobalFileSystem.getFile(_file);
if (stream.exists() == false) {
System.out.println("Unable to find: " + _file);
return null;
}
add(_file, PLACEHOLDER);
JSONObject.construct(
stream,
new JSONObject.ConstructCallback() {
public void callback(final JSONObject _obj) {
generateGLProgram(_obj);
}
});
return null;
}
private void generateGLProgram(final JSONObject _jGL) {
final List<GLShader> shaders = MalletList.<GLShader>newList();
final List<GLShaderMap> paths = MalletList.<GLShaderMap>newList();
fill(paths, _jGL.getJSONArray("VERTEX"), GLES30.GL_VERTEX_SHADER);
// fill( paths, _jGL.getJSONArray( "GEOMETRY" ), GLES30.GL_GEOMETRY_SHADER ) ;
fill(paths, _jGL.getJSONArray("FRAGMENT"), GLES30.GL_FRAGMENT_SHADER);
final List<Tuple<String, Uniform>> uniforms =
MalletList.<Tuple<String, Uniform>>newList();
final List<String> swivel = MalletList.<String>newList();
fillUniforms(uniforms, _jGL.getJSONArray("UNIFORMS"));
fillAttributes(swivel, _jGL.getJSONArray("SWIVEL"));
readShaders(_jGL.optString("NAME", "undefined"), paths, shaders, uniforms, swivel);
}
private void fill(
final List<GLShaderMap> _toFill, final JSONArray _base, final int _type) {
if (_base == null) {
return;
}
final int length = _base.length();
for (int i = 0; i < length; i++) {
_toFill.add(new GLShaderMap(_base.getString(i), _type));
}
}
private void fillAttributes(final List<String> _toFill, final JSONArray _base) {
if (_base == null) {
return;
}
final int length = _base.length();
for (int i = 0; i < length; i++) {
_toFill.add(_base.getString(i));
}
}
private void fillUniforms(
final List<Tuple<String, Uniform>> _toFill, final JSONArray _base) {
if (_base == null) {
return;
}
final int length = _base.length();
for (int i = 0; i < length; i++) {
final JSONObject obj = _base.getJSONObject(i);
final String name = obj.optString("NAME", null);
final Uniform type = Uniform.valueOf(obj.optString("TYPE", null));
if (name != null && type != null) {
_toFill.add(new Tuple<String, Uniform>(name, type));
}
}
}
/**
* Recusive function. Loop through _jShaders loading the sources into _glShaders, once
* _jShaders is empty construct a GLProgram and add it to the toBind array.
*/
private void readShaders(
final String _name,
final List<GLShaderMap> _jShaders,
final List<GLShader> _glShaders,
final List<Tuple<String, Uniform>> _uniforms,
final List<String> _swivel) {
if (_jShaders.isEmpty() == true) {
if (_glShaders.isEmpty() == true) {
System.out.println("Unable to generate GLProgram, no shaders specified.");
return;
}
synchronized (toBind) {
// We don't want to compile the Shaders now
// as that will take control of the OpenGL context.
toBind.add(new GLProgram(_name, _glShaders, _uniforms, _swivel));
}
return;
}
final GLShaderMap map = _jShaders.remove(0);
final FileStream stream = GlobalFileSystem.getFile(map.path);
if (stream.exists() == false) {
System.out.println("Unable to find: " + map.path);
readShaders(_name, _jShaders, _glShaders, _uniforms, _swivel);
return;
}
stream.getStringInCallback(
new StringInCallback() {
private final StringBuilder source = new StringBuilder();
public int resourceAsString(final String[] _resource, final int _length) {
for (int i = 0; i < _length; i++) {
source.append(_resource[i]);
source.append('\n');
}
return 1;
}
public void start() {}
public void end() {
_glShaders.add(new GLShader(map.type, map.path, source.toString()));
readShaders(_name, _jShaders, _glShaders, _uniforms, _swivel);
}
},
1);
}
});
}
