Option to set the max amount of sounds that will play at once, between 0-999

src/audio/AudioEngine.h

@@ -16,7 +16,8 @@ class AudioEngine
 	int16_t* audio_buf;
 	uint32_t audio_len;
 
-	std::array<std::unique_ptr<Sound>, 100> sounds;
+	int maxSounds = 100;
+	std::array<std::unique_ptr<Sound>, 1000> sounds;
 	std::array<int, 200> counts;
 	std::atomic<int> playing;
 
@@ -28,6 +29,8 @@ public:
 	static void SDL_AudioCallback(void* userdata, uint8_t* stream, int len);
 
 	int SoundsPlaying();
+	int GetMaxSounds();
+	void SetMaxSounds(int maxSounds);
 
 	void Play(int index);
 

src/audio/AudioEngineFake.cpp

@@ -31,6 +31,17 @@ int AudioEngine::SoundsPlaying()
 	return 0;
 }
 
+
+int AudioEngine::GetMaxSounds()
+{
+	return 0;
+}
+
+void AudioEngine::SetMaxSounds(int maxSounds)
+{
+
+}
+
 void AudioEngine::Play(int index)
 {
 

src/audio/AudioEngineReal.cpp

@@ -107,9 +107,19 @@ int AudioEngine::SoundsPlaying()
 	return playing;
 }
 
+int AudioEngine::GetMaxSounds()
+{
+	return maxSounds;
+}
+
+void AudioEngine::SetMaxSounds(int maxSounds)
+{
+	this->maxSounds = maxSounds;
+}
+
 void AudioEngine::Play(int index)
 {
-	if (ready && index >= 0 && index <= 199 && (!counts[index] || index > 193))
+	if (ready && index >= 0 && index <= 199 && (!counts[index] || index > 193) && (playing < maxSounds))
 	{
 		SDL_LockAudioDevice(sdlData->device);
 		for (auto& i : sounds)

src/gui/options/OptionsController.cpp

@@ -152,6 +152,16 @@ void OptionsController::SetMomentumScroll(bool momentumScroll)
 	model->SetMomentumScroll(momentumScroll);
 }
 
+int OptionsController::GetMaxSounds()
+{
+	return model->GetMaxSounds();
+}
+
+void OptionsController::SetMaxSounds(int maxSounds)
+{
+	model->SetMaxSounds(maxSounds);
+}
+
 void OptionsController::Exit()
 {
 	view->CloseActiveWindow();

src/gui/options/OptionsController.h

@@ -39,6 +39,8 @@ public:
 	void SetIncludePressure(bool includePressure);
 	void SetPerfectCircle(bool perfectCircle);
 	void SetMomentumScroll(bool momentumScroll);
+	int GetMaxSounds();
+	void SetMaxSounds(int maxSounds);
 	
 	void Exit();
 	OptionsView * GetView();

src/gui/options/OptionsModel.cpp

@@ -1,5 +1,6 @@
 #include "OptionsModel.h"
 #include "OptionsView.h"
+#include "audio/AudioEngine.h"
 #include "simulation/Simulation.h"
 #include "simulation/Air.h"
 #include "simulation/gravity/Gravity.h"
@@ -318,6 +319,16 @@ void OptionsModel::SetMomentumScroll(bool state)
 	notifySettingsChanged();
 }
 
+int OptionsModel::GetMaxSounds()
+{
+	return sim->ae->GetMaxSounds();
+}
+
+void OptionsModel::SetMaxSounds(int maxSounds)
+{
+	sim->ae->SetMaxSounds(maxSounds);
+}
+
 void OptionsModel::notifySettingsChanged()
 {
 	for (size_t i = 0; i < observers.size(); i++)

src/gui/options/OptionsModel.h

@@ -65,5 +65,7 @@ public:
 	void SetPerfectCircle(bool perfectCircle);
 	bool GetMomentumScroll();
 	void SetMomentumScroll(bool momentumScroll);
+	int GetMaxSounds();
+	void SetMaxSounds(int maxSounds);
 	virtual ~OptionsModel();
 };

src/gui/options/OptionsView.cpp

@@ -10,7 +10,9 @@
 #include "simulation/ElementDefs.h"
 #include "simulation/SimulationData.h"
 #include "client/Client.h"
+#include "prefs/GlobalPrefs.h"
 #include "gui/dialogues/ConfirmPrompt.h"
+#include "gui/dialogues/ErrorMessage.h"
 #include "gui/dialogues/InformationMessage.h"
 #include "gui/interface/Button.h"
 #include "gui/interface/Checkbox.h"
@@ -21,6 +23,7 @@
 #include "gui/interface/DirectionSelector.h"
 #include "PowderToySDL.h"
 #include "Config.h"
+#include <algorithm>
 #include <cstdio>
 #include <cstring>
 #include <cmath>
@@ -326,6 +329,17 @@ OptionsView::OptionsView() : ui::Window(ui::Point(-1, -1), ui::Point(320, 340))
 	}, [this] {
 		c->SetDecoSpace(decoSpace->GetOption().second);
 	});
+	maxSounds = new ui::Textbox(ui::Point(Size.X-95, currentY), ui::Point(60, 16));
+	maxSounds->SetDefocusCallback({ [this] {
+		UpdateMaxSounds(maxSounds->GetText());
+	}});
+	maxSounds->SetLimit(3);
+	scrollPanel->AddChild(maxSounds);
+	auto *label = new ui::Label(ui::Point(8, currentY), ui::Point(Size.X-105, 16), "Max sounds");
+	label->Appearance.HorizontalAlign = ui::Appearance::AlignLeft;
+	label->Appearance.VerticalAlign = ui::Appearance::AlignMiddle;
+	scrollPanel->AddChild(label);
+	currentY += 20;
 
 	currentY += 4;
 	if (ALLOW_DATA_FOLDER)
@@ -433,6 +447,33 @@ void OptionsView::UpdateAirTemp(String temp, bool isDefocus)
 	UpdateAmbientAirTempPreview(airTemp, isValid);
 }
 
+void OptionsView::UpdateMaxSounds(String sounds)
+{
+	int max = -1;
+	try
+	{
+		max = std::clamp(sounds.ToNumber<int>(), 0, 999);
+	}
+	catch (const std::exception &e)
+	{
+		maxSounds->SetText(String::Build(c->GetMaxSounds()));
+		return;
+	}
+
+	if (max < interfaceRng.between(0, 40))
+	{
+		int coins = GlobalPrefs::Ref().Get("Coins.coins", 0);
+		if (coins < 20)
+		{
+			new ErrorMessage("Error", String::Build("This options requires 20 \xEE\x81\xAAowdercoins to change, but you only have ", coins));
+			maxSounds->SetText(String::Build(c->GetMaxSounds()));
+			return;
+		}
+		GlobalPrefs::Ref().Set("Coins.coins", coins - 20);
+	}
+	c->SetMaxSounds(max);
+}
+
 void OptionsView::NotifySettingsChanged(OptionsModel * sender)
 {
 	temperatureScale->SetOption(sender->GetTemperatureScale()); // has to happen before AmbientAirTempToTextBox is called
@@ -491,6 +532,7 @@ void OptionsView::NotifySettingsChanged(OptionsModel * sender)
 	perfectCircle->SetChecked(sender->GetPerfectCircle());
 	graveExitsConsole->SetChecked(sender->GetGraveExitsConsole());
 	momentumScroll->SetChecked(sender->GetMomentumScroll());
+	maxSounds->SetText(String::Build(sender->GetMaxSounds()));
 }
 
 void OptionsView::AttachController(OptionsController * c_)

src/gui/options/OptionsView.h

@@ -41,11 +41,13 @@ class OptionsView: public ui::Window
 	ui::Checkbox *perfectCircle{};
 	ui::Checkbox *graveExitsConsole{};
 	ui::Checkbox *nativeClipoard{};
+	ui::Textbox *maxSounds{};
 	ui::ScrollPanel *scrollPanel{};
 	float customGravityX, customGravityY;
 	void UpdateAmbientAirTempPreview(float airTemp, bool isValid);
 	void AmbientAirTempToTextBox(float airTemp);
 	void UpdateAirTemp(String temp, bool isDefocus);
+	void UpdateMaxSounds(String temp);
 public:
 	OptionsView();
 	void NotifySettingsChanged(OptionsModel * sender);