void Stream::loadOgg(const char *filename)
{
sound = filename;
file = fopen(filename, "rb");
if (!file)
throw RubyException(rb_eRuntimeError, "Cannot open the stream file.");
ov_open(file, &stream, NULL, 0);
info = ov_info(&stream, -1);
comment = ov_comment(&stream, -1);
format = SAMPLES_FORMAT;
alGenBuffers(2, buffers);
if (alGetError() != AL_NO_ERROR)
throw RubyException(rb_eRuntimeError, "Cannot generate the buffer.");
generateSource();
if (alGetError() != AL_NO_ERROR)
throw RubyException(rb_eRuntimeError, "Cannot generate sources.");
setPos(0.f, 0.f, 0.f);
setVelocity(0.f, 0.f, 0.f);
setDirection(0.f, 0.f, 0.f);
setPitch(1.f);
setGain(1.f);
}
void Buffer::createFromDrawable(Drawable &obj) {
shouldDelete = true;
if (obj.getW() > 512 || obj.getH() > 512)
throw RubyException(rb_eRuntimeError, "Drawable too big for a buffer.");
int width = obj.getW();
int height = obj.getH();
img = oslCreateImage(width, height, OSL_IN_VRAM, OSL_PF_8888);
if (!img) {
img = oslCreateImage(width, height, OSL_IN_RAM, OSL_PF_8888);
if (!img)
throw RubyException(rb_eRuntimeError, "Buffer could not be created");
}
else {
Buffer::registerInVram(img);
}
OSL_IMAGE *old = oslGetDrawBuffer();
setActual();
obj.clearMove();
obj.setPos(0, 0);
obj.draw();
obj.cancelMove();
oslSetDrawBuffer(old);
}
void Buffer::resize(int w, int h) {
if (!shouldDelete)
throw RubyException(rb_eRuntimeError, "Not allowed to resize this Buffer");
OSL_IMAGE *old_image = img;
OSL_IMAGE *old_buffer = oslGetDrawBuffer();
img = oslCreateImage(w, h, OSL_IN_VRAM, img->pixelFormat);
if (!img) {
img = oslCreateImage(w, h, OSL_IN_RAM, img->pixelFormat);
if (!img)
throw RubyException(rb_eRuntimeError, "Could not recreate the buffer.");
}
else {
Buffer::registerInVram(img);
}
setActual();
oslDrawImageXY(old_image, 0, 0);
oslSetDrawBuffer(old_buffer);
if (old_image->location == OSL_IN_RAM)
oslDeleteImage(old_image);
else
Buffer::removeFromVram(old_image);
}
Buffer::Buffer(int w, int h, int format): shouldDelete(true) {
setClass("Buffer");
if (w > 512 || h > 512)
throw RubyException(rb_eRuntimeError,
"Either width or height is greter than 512.");
img = oslCreateImage(w, h, OSL_IN_VRAM, format);
if (!img)
throw RubyException(rb_eRuntimeError, "Buffer could not be created.");
}
Buffer::Buffer(Sprite &obj): shouldDelete(true) {
setClass("Buffer");
img = oslCreateImageCopy(obj.getImage(), OSL_IN_VRAM);
if (!img)
throw RubyException(rb_eRuntimeError, "Buffer could not be created");
}
Buffer::Buffer(const Buffer &obj): shouldDelete(true) {
setClass("Buffer");
img = oslCreateImageCopy(obj.img, OSL_IN_VRAM);
if (!img)
throw RubyException(rb_eRuntimeError, "Buffer could not be copied.");
}
// evaluate a ruby statement with no return value. If a ruby exception is raised
// the description is translated into a C++ exception, which is thrown as an openstudio::RubyException.
void evalString(const std::string &t_str)
{
VALUE val = rb_str_new2(t_str.c_str());
int error;
// save and restore the current working directory in case the call to ruby upsets it
// QDir cwd = QDir::current();
rb_protect(evaluateSimpleImpl,val,&error);
// QDir::setCurrent(cwd.dirName());
if (error != 0)
{
VALUE errval = rb_eval_string("$!.to_s");
char *str = StringValuePtr(errval);
std::string err(str);
VALUE locval = rb_eval_string("[email protected]_s");
str = StringValuePtr(locval);
std::string loc(str);
throw RubyException(err, loc);
}
}
void Buffer::createFromGeom(int w, int h, int format) {
shouldDelete = true;
if (w > 512 || h > 512)
throw RubyException(rb_eRuntimeError,
"Either width or height is greter than 512.");
img = oslCreateImage(w, h, OSL_IN_VRAM, format);
if (!img) {
img = oslCreateImage(w, h, OSL_IN_RAM, format);
if (!img)
throw RubyException(rb_eRuntimeError, "Buffer could not be created.");
}
else {
Buffer::registerInVram(img);
}
}
void Buffer::createFromBuffer(const Buffer &obj) {
shouldDelete = true;
img = oslCreateImageCopy(obj.img, OSL_IN_VRAM);
if (!img) {
img = oslCreateImageCopy(obj.img, OSL_IN_RAM);
if (!img)
throw RubyException(rb_eRuntimeError, "Buffer could not be copied.");
}
}
Buffer::Buffer(Drawable &obj): shouldDelete(true) {
setClass("Buffer");
if (obj.getW() > 512 || obj.getH() > 512)
throw RubyException(rb_eRuntimeError, "Drawable too big for a buffer.");
img = oslCreateImage(obj.getW(), obj.getH(), OSL_IN_VRAM, OSL_PF_8888);
if (!img)
throw RubyException(rb_eRuntimeError, "Buffer could not be created");
OSL_IMAGE *old = oslGetDrawBuffer();
setActual();
obj.clearMove();
obj.setPos(0, 0);
obj.draw();
obj.cancelMove();
oslSetDrawBuffer(old);
}
void Sound::loadWav(const char *filename)
{
sound = filename;
buffer = Manager::getInstance().getBuffer(filename);
// We create a source, binded to our buffer :
generateSource();
if (alGetError() != AL_NO_ERROR)
throw RubyException(rb_eRuntimeError, "Cannot generator source.");
setBuffer(buffer);
setPos(0.f, 0.f, 0.f);
setVelocity(0.f, 0.f, 0.f);
setDirection(0.f, 0.f, 0.f);
if (alGetError() != AL_NO_ERROR)
throw RubyException(rb_eRuntimeError, "Cannot set buffer.");
}
void Buffer::resize(int w, int h) {
OSL_IMAGE *old_image = img;
OSL_IMAGE *old_buffer = oslGetDrawBuffer();
img = oslCreateImage(w, h, OSL_IN_VRAM, img->pixelFormat);
if (!img)
throw RubyException(rb_eRuntimeError, "Could not recreate the buffer.");
setActual();
oslDrawImageXY(old_image, 0, 0);
oslSetDrawBuffer(old_buffer);
oslDeleteImage(old_image);
}
Buffer::Buffer(OSL_IMAGE *arg, bool copy): img(arg) {
shouldDelete = copy;
if (copy) {
img = oslCreateImageCopy(arg, OSL_IN_VRAM);
if (!img) {
img = oslCreateImageCopy(arg, OSL_IN_RAM);
if (!img)
throw RubyException(rb_eRuntimeError, "Buffer could not be copied.");
}
else {
Buffer::registerInVram(img);
}
}
else
img = arg;
setClass("Buffer");
}
void RubyException::raise(Exception* exception, bool make_backtrace) {
throw RubyException(exception, make_backtrace);
// Not reached.
}