bool ChannelInternalState::RealChannelPlay() {
assert(is_real());
if (!sound_source_->Play(channel_id_, SoundHandleLoops(handle_))) {
SDL_LogError(SDL_LOG_CATEGORY_ERROR, "Could not play sound %s\n",
Mix_GetError());
return false;
}
return true;
}
Node<T>* min_element(Node<T>* node)
{
if(is_real(node))
{
node = min_node(node, min_element(node->left));
node = min_node(node, min_element(node->right));
}
return node;
}
/*GRAMMAR GET TYPES*/
struct expression_data_t* get_expr_expr_data(struct expression_t *expr,
struct attribute_table_t* attr_hash_table,
struct function_declaration_t *statement_func,
int line_number)
{
if(expr->expr != NULL && expr->expr->type != NULL)
{
return expr->expr; /*we already have type*/
}
else if(expr->se2 == NULL) /* if se2 is null then the expression type is the type of se1 */
{
return get_simple_expr_expr_data(expr->se1, attr_hash_table, statement_func, line_number);
}
else
{
struct expression_data_t *se1_data = get_simple_expr_expr_data(expr->se1, attr_hash_table, statement_func, line_number);
struct expression_data_t *se2_data = get_simple_expr_expr_data(expr->se2, attr_hash_table, statement_func, line_number);
switch(expr->relop)
{
case RELOP_EQUAL:
case RELOP_NOTEQUAL:
if(strcmp(se1_data->type, se2_data->type))
{
error_type_mismatch(line_number, se1_data->type, se2_data->type);
}
break;
case RELOP_LT:
case RELOP_GT:
case RELOP_LE:
case RELOP_GE:
if( !is_integer(se1_data->type) && !is_real(se1_data->type) )
{
error_datatype_is_not(line_number, se1_data->type, "real or integer");
}
if( !is_integer(se2_data->type) && !is_real(se2_data->type) )
{
error_datatype_is_not(line_number, se2_data->type, "real or integer");
}
break;
}
return set_expression_data(EXPRESSION_DATA_BOOLEAN, "boolean");
}
}
void ChannelInternalState::UpdateState() {
switch (channel_state_) {
case kChannelStatePaused:
case kChannelStateStopped: {
break;
}
case kChannelStatePlaying:
if (is_real() && !RealChannelPlaying()) {
channel_state_ = kChannelStateStopped;
}
break;
case kChannelStateFadingOut: {
if (!is_real() || !RealChannelPlaying()) {
channel_state_ = kChannelStateStopped;
}
break;
}
default: { assert(false); }
}
}
bool ChannelInternalState::RealChannelPlaying() const {
assert(is_real());
if (IsStream()) {
#ifdef PINDROP_MULTISTREAM
return Mix_PlayingMusicCh(channel_id_) != 0;
#else
return Mix_PlayingMusic() != 0 && channel_id_ == GetMusicChannel();
#endif // PINDROP_MULTISTREAM
} else {
return Mix_Playing(channel_id_) != 0;
}
}
void ChannelInternalState::RealChannelResume() {
assert(is_real());
if (IsStream()) {
#ifdef PINDROP_MULTISTREAM
Mix_ResumeMusicCh(channel_id_);
#else
Mix_ResumeMusic();
#endif // PINDROP_MULTISTREAM
} else {
Mix_Resume(channel_id_);
}
}
bool ChannelInternalState::RealChannelPaused() const {
assert(is_real());
if (IsStream()) {
#ifdef PINDROP_MULTISTREAM
return Mix_PausedMusicCh(channel_id_) != 0;
#else
return Mix_PausedMusic() != 0;
#endif // PINDROP_MULTISTREAM
} else {
return Mix_Paused(channel_id_) != 0;
}
}
pgsOperand pgsNumber::pgs_plus(const pgsVariable &rhs) const
{
if (rhs.is_number())
{
return pnew pgsNumber(pgsMapm::pgs_mapm_str(num(m_data)
+ num(rhs.value())), is_real() || rhs.is_real());
}
else
{
throw pgsArithmeticException(m_data, rhs.value());
}
}
void ChannelInternalState::SetPan(const mathfu::Vector<float, 2>& pan) {
if (!is_real()) {
return;
}
static const Uint8 kMaxPanValue = 255;
// This formula is explained in the following paper:
// http://www.rs-met.com/documents/tutorials/PanRules.pdf
float p = static_cast<float>(M_PI) * (pan.x() + 1.0f) / 4.0f;
Uint8 left = static_cast<Uint8>(cos(p) * kMaxPanValue);
Uint8 right = static_cast<Uint8>(sin(p) * kMaxPanValue);
Mix_SetPanning(channel_id_, left, right);
}
void ChannelInternalState::SetRealChannelGain(const float gain) {
assert(is_real());
int mix_volume = static_cast<int>(gain * MIX_MAX_VOLUME);
if (IsStream()) {
#ifdef PINDROP_MULTISTREAM
Mix_VolumeMusicCh(channel_id_, mix_volume);
#else
Mix_VolumeMusic(mix_volume);
#endif // PINDROP_MULTISTREAM
} else {
Mix_Volume(channel_id_, mix_volume);
}
}
pgsOperand pgsNumber::pgs_over(const pgsVariable &rhs) const
{
if (rhs.is_number())
{
if (num(rhs.value()) != 0)
{
if (is_real() || rhs.is_real())
return pnew pgsNumber(pgsMapm::pgs_mapm_str(num(m_data)
/ num(rhs.value())), is_real() || rhs.is_real());
else
return pnew pgsNumber(pgsMapm::pgs_mapm_str(num(m_data)
.div(num(rhs.value()))), is_real() || rhs.is_real());
}
else
{
throw pgsArithmeticException(m_data, rhs.value());
}
}
else
{
throw pgsArithmeticException(m_data, rhs.value());
}
}
Node<T>* min_node(Node<T>* node)
{
assert(is_bst(node));
if(is_nil(node))
{
return node;
}
while(is_real(node->left))
{
node = node->left;
}
return node;
}
float ChannelInternalState::RealChannelGain() const {
assert(is_real());
// Special value to query volume rather than set volume.
static const int kQueryVolume = -1;
int volume;
if (IsStream()) {
#ifdef PINDROP_MULTISTREAM
volume = Mix_VolumeMusicCh(channel_id_, kQueryVolume);
#else
volume = Mix_VolumeMusic(kQueryVolume);
#endif // PINDROP_MULTISTREAM
} else {
volume = Mix_Volume(channel_id_, kQueryVolume);
}
return volume / static_cast<float>(MIX_MAX_VOLUME);
}
void ChannelInternalState::RealChannelHalt() {
assert(is_real());
// If this channel loops, we may want to resume it later. If this is a one
// shot sound that does not loop, just halt it now.
// TODO(amablue): What we really want is for one shot sounds to change to the
// stopped state when the sound would have finished. However, SDL mixer does
// not give good visibility into the length of loaded audio, which makes this
// difficult. b/20697050
if (!SoundHandleLoops(handle_)) {
channel_state_ = kChannelStateStopped;
}
if (IsStream()) {
#ifdef PINDROP_MULTISTREAM
Mix_HaltMusicCh(channel_id_);
#else
Mix_HaltMusic();
#endif // PINDROP_MULTISTREAM
} else {
Mix_HaltChannel(channel_id_);
}
}
bool MCVariableValue::coerce_to_real(MCExecPoint& ep)
{
assert(!is_real());
if (is_empty())
{
assign_real(0.0);
return true;
}
if (is_string())
{
if (MCU_stor8(MCString(strnum . svalue . string, strnum . svalue . length), strnum . nvalue, ep . getconvertoctals()) != True)
return false;
set_type(VF_BOTH);
return true;
}
assert(is_array());
assign_real(0.0);
return true;
}
float strtof(FAR const char *str, FAR char **endptr)
{
float number;
int exponent;
int negative;
FAR char *p = (FAR char *) str;
float p10;
int n;
int num_digits;
int num_decimals;
const float infinite = 1.0F/0.0F;
/* Skip leading whitespace */
while (isspace(*p))
{
p++;
}
/* Handle optional sign */
negative = 0;
switch (*p)
{
case '-':
negative = 1; /* Fall through to increment position */
case '+':
p++;
default:
break;
}
number = 0.0F;
exponent = 0;
num_digits = 0;
num_decimals = 0;
/* Process string of digits */
while (isdigit(*p))
{
number = number * 10.0F + (float)(*p - '0');
p++;
num_digits++;
}
/* Process decimal part */
if (*p == '.')
{
p++;
while (isdigit(*p))
{
number = number * 10.0F + (float)(*p - '0');
p++;
num_digits++;
num_decimals++;
}
exponent -= num_decimals;
}
if (num_digits == 0)
{
set_errno(ERANGE);
number = 0.0F;
goto errout;
}
/* Correct for sign */
if (negative)
{
number = -number;
}
/* Process an exponent string */
if (*p == 'e' || *p == 'E')
{
/* Handle optional sign */
negative = 0;
switch (*++p)
{
case '-':
negative = 1; /* Fall through to increment pos */
case '+':
p++;
default:
break;
}
/* Process string of digits */
n = 0;
while (isdigit(*p))
{
n = n * 10 + (*p - '0');
p++;
}
if (negative)
{
exponent -= n;
}
else
{
exponent += n;
}
}
if (exponent < __FLT_MIN_EXP__ ||
exponent > __FLT_MAX_EXP__)
{
set_errno(ERANGE);
number = infinite;
goto errout;
}
/* Scale the result */
p10 = 10.0F;
n = exponent;
if (n < 0)
{
n = -n;
}
while (n)
{
if (n & 1)
{
if (exponent < 0)
{
number /= p10;
}
else
{
number *= p10;
}
}
n >>= 1;
p10 *= p10;
}
if (!is_real(number))
{
set_errno(ERANGE);
}
errout:
if (endptr)
{
*endptr = p;
}
return number;
}
double_t strtod(const char *str, char **endptr)
{
double_t number;
int exponent;
int negative;
char *p = (char *) str;
double p10;
int n;
int num_digits;
int num_decimals;
const double_t infinite = 1.0/0.0;
/* Skip leading whitespace */
while (isspace(*p))
{
p++;
}
/* Handle optional sign */
negative = 0;
switch (*p)
{
case '-':
negative = 1; /* Fall through to increment position */
case '+':
p++;
}
number = 0.;
exponent = 0;
num_digits = 0;
num_decimals = 0;
/* Process string of digits */
while (isdigit(*p))
{
number = number * 10. + (*p - '0');
p++;
num_digits++;
}
/* Process decimal part */
if (*p == '.')
{
p++;
while (isdigit(*p))
{
number = number * 10. + (*p - '0');
p++;
num_digits++;
num_decimals++;
}
exponent -= num_decimals;
}
if (num_digits == 0)
{
set_errno(ERANGE);
return 0.0;
}
/* Correct for sign */
if (negative)
{
number = -number;
}
/* Process an exponent string */
if (*p == 'e' || *p == 'E')
{
/* Handle optional sign */
negative = 0;
switch(*++p)
{
case '-':
negative = 1; /* Fall through to increment pos */
case '+':
p++;
}
/* Process string of digits */
n = 0;
while (isdigit(*p))
{
n = n * 10 + (*p - '0');
p++;
}
if (negative)
{
exponent -= n;
}
else
{
exponent += n;
}
}
if (exponent < __DBL_MIN_EXP__ ||
exponent > __DBL_MAX_EXP__)
{
set_errno(ERANGE);
return infinite;
}
/* Scale the result */
p10 = 10.;
n = exponent;
if (n < 0) n = -n;
while (n)
{
if (n & 1)
{
if (exponent < 0)
{
number /= p10;
}
else
{
number *= p10;
}
}
n >>= 1;
p10 *= p10;
}
if (!is_real(number))
{
set_errno(ERANGE);
}
if (endptr)
{
*endptr = p;
}
return number;
}
void corr_matrix(Data_Obj *dpto,Data_Obj *dpfr)
{
int had_err=0;
float *op1, *op2;
float *dest, *dest2;
dimension_t i,j;
Vec_Args args;
if( ! is_real(dpto,"corr_matrix") ) return;
if( ! is_real(dpfr,"corr_matrix") ) return;
if( OBJ_COLS(dpto) != OBJ_ROWS(dpto) ){
sprintf(ERROR_STRING,"target matrix %s (%dx%d) must be square",OBJ_NAME(dpto),
OBJ_ROWS(dpto),OBJ_COLS(dpto));
WARN(ERROR_STRING);
had_err++;
}
if( OBJ_COLS(dpto) != OBJ_ROWS(dpfr) ){
sprintf(ERROR_STRING,
"target matrix %s size %d not equal to source matrix %s rows (%d)",
OBJ_NAME(dpto),OBJ_COLS(dpto),OBJ_NAME(dpfr),OBJ_ROWS(dpfr));
WARN(ERROR_STRING);
had_err++;
}
if( had_err ) return;
if( IS_COMPLEX(dpto) )
args.arg_argstype = COMPLEX_ARGS;
else
args.arg_argstype = REAL_ARGS;
args.arg_inc1 = OBJ_PXL_INC(dpfr);
args.arg_inc2 = OBJ_PXL_INC(dpfr);
args.arg_n1 = OBJ_COLS(dpfr);
args.arg_n2 = OBJ_COLS(dpfr);
args.arg_prec1 = OBJ_PREC(dpfr);
args.arg_prec2 = OBJ_PREC(dpfr);
op1 = OBJ_DATA_PTR(dpfr);
for(i=0;i<OBJ_ROWS(dpfr);i++){
dest = dest2 = OBJ_DATA_PTR(dpto);
dest += i*OBJ_ROW_INC(dpto);
dest += i*OBJ_PXL_INC(dpto);
dest2 += i*OBJ_PXL_INC(dpto);
dest2 += i*OBJ_ROW_INC(dpto);
op2 = OBJ_DATA_PTR(dpfr);
op2 += i*OBJ_ROW_INC(dpfr);
for(j=i;j<OBJ_ROWS(dpfr);j++){
args.arg_v1 = op1;
args.arg_v2 = op2;
vdot(&args);
*dest2 = *dest; /* symmetric matrix */
op2 += OBJ_ROW_INC(dpfr);
dest += OBJ_PXL_INC(dpto);
dest2 += OBJ_ROW_INC(dpto);
}
op1 += OBJ_ROW_INC(dpfr);
}
} /* end corr_matrix() */
const char& trans(const t & a = 1)const{
return *details::lapack_option(transa_ ? (!is_real(a)? 'c':'t') :'n');
}
bool pgsVariable::is_number() const
{
return is_integer() || is_real();
}
void ChannelInternalState::Halt() {
if (is_real()) {
RealChannelHalt();
}
channel_state_ = kChannelStateStopped;
}
bool pgsNumber::is_valid() const
{
pgsTypes type = num_type(m_data);
return (type == pgsTInt) || (type == pgsTReal && is_real());
}
bool Cell::isReal() const
{
return m_value && is_real(m_value);
}
void ChannelInternalState::Pause() {
if (is_real()) {
RealChannelPause();
}
channel_state_ = kChannelStatePaused;
}
void ChannelInternalState::Resume() {
if (is_real()) {
RealChannelResume();
}
channel_state_ = kChannelStatePlaying;
}
bool ChannelInternalState::Play(SoundHandle handle) {
handle_ = handle;
sound_source_ = handle->Select();
channel_state_ = kChannelStatePlaying;
return is_real() ? RealChannelPlay() : true;
}