Plays sound, but only in emscripten for now. Something's wrong with ALSA

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

C++/scripts/web.sh

@@ -1,9 +1,9 @@
 #Compiles emscripten instance of this project for the web.
 #C++
 if [ -d "assets" ]; then
-    em++ -std=c++17 -O2 -s ALLOW_MEMORY_GROWTH=1 -s MAX_WEBGL_VERSION=2 -s MIN_WEBGL_VERSION=2 -s USE_LIBPNG=1 $(find . -type f -name "*.cpp") -o ${PROJECT_NAME}.html -I pixelGameEngine.h --preload-file ./assets
+    em++ -std=c++17 -O2 -s ALLOW_MEMORY_GROWTH=1 -s MAX_WEBGL_VERSION=2 -s MIN_WEBGL_VERSION=2 -s USE_SDL_MIXER=2 -s USE_LIBPNG=1 $(find . -type f -name "*.cpp") -o ${PROJECT_NAME}.html -I pixelGameEngine.h --preload-file ./assets
 else
-    em++ -std=c++17 -O2 -s ALLOW_MEMORY_GROWTH=1 -s MAX_WEBGL_VERSION=2 -s MIN_WEBGL_VERSION=2 -s USE_LIBPNG=1 $(find . -type f -name "*.cpp") -o ${PROJECT_NAME}.html -I pixelGameEngine.h
+    em++ -std=c++17 -O2 -s ALLOW_MEMORY_GROWTH=1 -s MAX_WEBGL_VERSION=2 -s MIN_WEBGL_VERSION=2 -s USE_SDL_MIXER=2 -s USE_LIBPNG=1 $(find . -type f -name "*.cpp") -o ${PROJECT_NAME}.html -I pixelGameEngine.h 
 fi
 
 cp buildtemplate.html ${PROJECT_NAME}.html

main.cpp

@@ -1,45 +1,88 @@
 #define OLC_PGE_APPLICATION
 #include "pixelGameEngine.h"
+#define OLC_SOUNDWAVE
+#include "soundExtension.h"
 
 using namespace std;
 
-class Example : public olc::PixelGameEngine
+class EarthboundBattleSim : public olc::PixelGameEngine
 {
 public:
-	Example()
+	EarthboundBattleSim()
 	{
-		sAppName = "Example";
+		sAppName = "EarthboundBattleSim";
 	}
 
 public:
+
+	float accumulatedTime=0;
+	const float UPDATE_RATE=1/60.0F;
+	char partyMemberCount=1;
+	olc::sound::WaveEngine engine;
+	olc::sound::Wave se1;
+
+
 	bool OnUserCreate() override
 	{
 		SetPixelMode(olc::Pixel::ALPHA);
-		ConsoleCaptureStdOut(true);
+		//ConsoleCaptureStdOut(true);
 		// Called once at the start, so create things here
-		for (int x = 0; x < ScreenWidth(); x++)
-			for (int y = 0; y < ScreenHeight(); y++)
-				Draw(x, y, olc::Pixel(rand() % 255, rand() % 255, rand()% 255));	
-		for (int x=0;x<50;x++) {
-			for (int y=0;y<50;y++) {
-				Draw(x, y, olc::Pixel(255, 0, 0, 128));	
-			}
-		}
+		engine.InitialiseAudio();
+		engine.SetOutputVolume(0.1f);
+		se1.LoadAudioWaveform("./assets/sample-9s.wav");
 		return true;
 	}
 
 	bool OnUserUpdate(float fElapsedTime) override
 	{
+		Clear(olc::BLACK);
+		accumulatedTime+=fElapsedTime;
+		while (accumulatedTime>=UPDATE_RATE) {
+			accumulatedTime-=UPDATE_RATE;
+			updateGame(); //DO NOT ADD THINGS HERE. USE updateGame()!
+		}
+
+		if (GetKey(olc::RIGHT).bPressed) {
+			partyMemberCount=min(partyMemberCount+1,4);
+		}
+		if (GetKey(olc::LEFT).bPressed) {
+			partyMemberCount=max(partyMemberCount-1,1);
+		}
+		if (GetMouse(0).bPressed) {
+			engine.PlayWaveform(&se1);
+		}
+		
+		drawGame();
 		// called once per frame
 		return true;
 	}
+
+	void updateGame(){
+	}
+
+	void drawBox(const olc::vi2d &pos, const olc::vi2d &size, olc::Pixel p = olc::WHITE, olc::Pixel p2 = olc::DARK_GREY, olc::Pixel p3 = olc::VERY_DARK_GREY) {
+		DrawRect({pos.x,pos.y},size,p2);
+		DrawRect({pos.x+2,pos.y+2},{size.x-4,size.y-4},p3);
+		DrawRect({pos.x+1,pos.y+1},{size.x-2,size.y-2});
+		Draw({pos.x,pos.y},olc::BLACK);
+		Draw({pos.x+size.x,pos.y+size.y},olc::BLACK);
+		Draw({pos.x+size.x,pos.y},olc::BLACK);
+		Draw({pos.x,pos.y+size.y},olc::BLACK);
+	}
+
+	void drawGame(){
+		drawBox({0,0},{128,32});
+		for (int i=0;i<partyMemberCount;i++) {
+			drawBox({(128-32*partyMemberCount)+i*64,160},{64,64});
+		}
+	}
 };
 
 
 int main()
 {
-	Example demo;
-	if (demo.Construct(256, 240, 4, 4))
+	EarthboundBattleSim demo;
+	if (demo.Construct(256, 224, 4, 4))
 		demo.Start();
 
 	return 0;

sig

@@ -1,9 +1,9 @@
-export AUTO_UPDATE=true
+export AUTO_UPDATE=false
 
 source utils/define.sh
 
 define PROJECT_NAME "C++ProjectTemplate"
-define CUSTOM_PARAMS "-lpng -lGL -lX11"
+define CUSTOM_PARAMS "-lX11 -lGL -lpthread -lpng -lstdc++fs -lasound"
 define LANGUAGE "C++"
 
 source utils/main.sh