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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef GUI_SOUND_SET_H
#define GUI_SOUND_SET_H
#include <algorithm>
#include <cstdlib>
#include <string>
#include "Sim/Misc/CommonDefHandler.h"
struct GuiSoundSetData {
GuiSoundSetData() = default;
GuiSoundSetData(const std::string& n, int i, float v): name(n), id(i), volume(v) {}
std::string name;
int id = -1;
float volume = 0.0f;
};
struct GuiSoundSet {
public:
public:
const GuiSoundSetData& GetSoundData(int relDataIdx) const {
if (!ValidIndex(minSoundDataIdx + relDataIdx))
return CommonDefHandler::GetSoundSetData(0);
return CommonDefHandler::GetSoundSetData(minSoundDataIdx + relDataIdx);
}
/// get a (loaded) sound's ID for set-relative index \<relDataIdx\>
int getID(int relDataIdx) const {
if (!ValidIndex(minSoundDataIdx + relDataIdx))
return 0;
GuiSoundSetData& soundSet = CommonDefHandler::GetSoundSetData(minSoundDataIdx + relDataIdx);
if (soundSet.id == -1)
soundSet.id = CommonDefHandler::LoadSoundFile(soundSet.name);
return soundSet.id;
}
/// get a (loaded) sound's volume for set-relative index \<relDataIdx\>
float getVolume(int relDataIdx) const { return (GetSoundData(relDataIdx).volume); }
/// set a (loaded) sound's volume for set-relative index \<relDataIdx\>
void setVolume(int relDataIdx, float volume) {
const_cast<GuiSoundSetData&>(GetSoundData(relDataIdx)).volume = volume;
}
void UpdateIndices(size_t maxDataIdx) {
minSoundDataIdx = std::min(minSoundDataIdx, maxDataIdx);
maxSoundDataIdx = maxDataIdx;
}
size_t NumSounds() const {
return ((maxSoundDataIdx + 1 - minSoundDataIdx) * ValidIndex(minSoundDataIdx + 0));
}
private:
bool ValidIndex(size_t absDataIdx) const { return (absDataIdx >= minSoundDataIdx && absDataIdx <= maxSoundDataIdx); }
private:
// data indices into CommonDefHandler::soundSetData comprising this set
size_t minSoundDataIdx = 1u << 31u;
size_t maxSoundDataIdx = 0;
};
#endif // GUI_SOUND_SET
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