jaby
/
jabyengine
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 1 Wiki Activity

Support Volume Steps now for easier support of fractions

This commit is contained in:
Jaby 2022-08-31 17:17:17 +02:00
parent fde4ae9c71
commit c63bdb8e3a
2 changed files with 18 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
include/PSX/SPU/SPU_Ports.hpp
View File

@ -22,8 +22,10 @@ namespace SPU {
};
struct __no_align SweepVolume {
static constexpr int16_t VolumeLevelStep100 = (I16_MAX/100);
static constexpr int16_t VolumeLevelStep1000 = (I16_MAX/1000);
typedef int16_t VolumeStep;
static constexpr VolumeStep VolumeMax = 1000;
static constexpr VolumeStep SingleVolumeStep = (I16_MAX >> 1)/VolumeMax;
enum Direction {
Increase = 0,
@ -39,17 +41,22 @@ namespace SPU {
constexpr SweepVolume() = default;
static constexpr int16_t VolumeLevelPercent(double percent) {
return static_cast<int16_t>((I16_MAX/100.0)*percent);
}
constexpr auto& set_volume(int16_t volume) {
this->raw_value = bit::value::set_normalized(this->raw_value, static_cast<int16_t>(volume >> 1), __start_end_bit2_start_length(0, 14));
constexpr auto& set_volume_percent(double percent) {
this->raw_value = bit::value::set_normalized(this->raw_value, static_cast<int16_t>((I16_MAX/100.0)*percent), __start_end_bit2_start_length(0, 14));
return *this;
}
constexpr int16_t get_volume() const {
return bit::cast<int16_t>(bit::value::get_normalized(this->raw_value, __start_end_bit2_start_length(0, 14)));
//A value between 0 and 1000
constexpr auto& set_volume_step(VolumeStep volume_step) {
volume_step *= SingleVolumeStep;
this->raw_value = bit::value::set_normalized(this->raw_value, volume_step, __start_end_bit2_start_length(0, 14));
return *this;
}
//A value between 0 and 1000
constexpr VolumeStep get_volume_step() const {
return (bit::value::get_normalized(this->raw_value, __start_end_bit2_start_length(0, 14))/SingleVolumeStep);
}
io_class__2option_map(volume_mode, sweep_mode, 15);

2
src/Library/src/BootLoader/start.cpp
View File

@ -16,7 +16,7 @@ namespace JabyEngine {
}
static void setup() {
static constexpr auto StartVol = ::SPU::SweepVolume().set_volume_mode().set_volume(::SPU::SweepVolume::VolumeLevelPercent(50.0));
static constexpr auto StartVol = ::SPU::SweepVolume().set_volume_mode().set_volume_percent(50.0);
io_class__volatile_assign(::SPU::MainVolume::Left, StartVol);
io_class__volatile_assign(::SPU::MainVolume::Right, StartVol);