Add a semi-working bird sprite to the flappyBird game.

.vscode/launch.json

@@ -187,6 +187,35 @@
 			],
 			"avoidWindowsConsoleRedirection": false,
 			"internalConsoleOptions": "openOnSessionStart"
+		},
+		{
+			"name": "(gdb, lxdream-nitro) Launch flappyBird.elf",
+			"type": "cppdbg",
+			"request": "launch",
+			"program": "${workspaceFolder}/build/src/flappyBird.elf",
+			"args": [],
+			"stopAtEntry": false,
+			"cwd": "${workspaceFolder}",
+			"environment": [],
+			"externalConsole": false,
+			"MIMode": "gdb",
+			"miDebuggerPath": "/opt/toolchains/dc/sh-elf/bin/sh-elf-gdb",
+			"miDebuggerServerAddress": "localhost:3263",
+			"debugServerPath": "/home/user/Downloads/lxdream-nitro/builddir/lxdream-nitro",
+			"debugServerArgs": "-d -g 3263 -e ${workspaceFolder}/build/src/flappyBird.elf",
+			"setupCommands": [
+				{
+					"description": "Enable pretty-printing for gdb",
+					"text": "-enable-pretty-printing",
+					"ignoreFailures": true
+				},
+				{
+					"description": "Set SuperH architechture",
+					"text": "set architecture sh4"
+				}
+			],
+			"avoidWindowsConsoleRedirection": false,
+			"internalConsoleOptions": "openOnSessionStart"
 		}
 	]
 }

src/engine/entity.hh

@@ -16,6 +16,7 @@ public:
 	std::vector<Entity*> children = {};
 	virtual void Draw() {};
 	virtual void Update() {};
+	virtual void Start() {};
 	bool b_destroyed = false;
 	Vector3 GetPosition() const;
 	Vector3 GetGlobalPosition() const;

src/flappyBird/Assets.hh

@@ -2,6 +2,11 @@
 #define ASSETS_HH
 #include <vector>
 namespace assets {
-	std::vector<unsigned char> bird();
+	struct Image {
+		int width;
+		int height;
+		std::vector<unsigned char> data;
+	};
+	extern Image bird;
 }
 #endif

src/flappyBird/Bird.cc

@@ -1,22 +1,29 @@
 #include "Bird.hh"
-
+#include "Assets.hh"
+#include <GL/gl.h>
 #include <cstdio>
+#include <vector>
 
 void Bird::Draw() {
 	engine::Vector3 one = {-1.0, -1.0, 0.0};
 	engine::Vector3 two = {0.0, 1.0, 0.0};
 	engine::Vector3 three = {1.0, -1.0, 0.0f};
 
+	glEnable(GL_TEXTURE_2D);
 	glBegin(GL_TRIANGLES);
-	glColor3f(1.0f, 0.0f, 0.0f);
+	// glColor3f(1.0f, 0.0f, 0.0f);
+	glTexCoord2f(0.0f, 0.0f);
 	glVertex3fv((float*)&(one));
 
-	glColor3f(0.0f, 1.0f, 0.0f);
+	// glColor3f(0.0f, 1.0f, 0.0f);
+	glTexCoord2f(1.0f, 0.0f);
 	glVertex3fv((float*)&two);
 
-	glColor3f(0.0f, 0.0f, 1.0f);
+	// glColor3f(0.0f, 0.0f, 1.0f);
+	glTexCoord2f(0.5f, 1.0f);
 	glVertex3fv((float*)&three);
 	glEnd();
+	glDisable(GL_TEXTURE_2D);
 }
 
 void Bird::Update() {
@@ -63,3 +70,17 @@ Bird::Bird(engine::Engine* engie, engine::Entity* parent, PipesContainer* pipes)
 	: Entity(engie, parent) {
 	this->pipes = pipes;
 }
+
+void Bird::Start() {
+	auto bird = assets::bird;
+
+	glGenTextures(1, &ui_birdTexture);
+	glBindTexture(GL_TEXTURE_2D, ui_birdTexture);
+
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bird.width, bird.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, bird.data.data());
+}

src/flappyBird/Bird.hh

@@ -7,6 +7,7 @@ class Bird : public engine::Entity {
    public:
 	void Draw() override;
 	void Update() override;
+	void Start() override;
 	Bird(engine::Engine* engie, engine::Entity* parent, PipesContainer* pipes);
 	bool b_isHit = false;
 
@@ -15,5 +16,6 @@ class Bird : public engine::Entity {
 	static constexpr float JUMP_CONST = 0.5;
 	float f_verticalSpeed = JUMP_CONST;
 	PipesContainer *pipes = nullptr;
+	unsigned int ui_birdTexture = 0;
 };
 #endif

src/flappyBird/FlappyBird.cc

@@ -105,3 +105,7 @@ FlappyBird::~FlappyBird()
 		p_thread->detach();
 	delete p_thread;
 }
+
+void FlappyBird::Start() {
+	p_bird->Start();
+}

src/flappyBird/FlappyBird.hh

@@ -11,6 +11,7 @@
 
 class FlappyBird : public engine::Engine {
 	void GameLoop() override;
+	void Start() override;
 	void SpawnPipes();
 	void MainGameLoop();
 	void MainMenuLoop();

src/flappyBird/generateAssets.py

@@ -3,13 +3,13 @@ from pathlib import Path
 from PIL import Image
 
 parser = argparse.ArgumentParser()
-parser.add_argument("function")
+parser.add_argument("variable")
 parser.add_argument("input")
 parser.add_argument("output")
 
 args = parser.parse_args()
 
-function = args.function
+variable = args.variable
 input = Path(args.input)
 output = Path(args.output)
 
@@ -18,10 +18,14 @@ if not input.exists():
 	raise SystemExit(1)
 
 hexList = list()
+imageWidth = 0
+imageHeight = 0
 
 with Image.open(input) as image:
-	imageBytes = bytes(image.getdata())
+	imageWidth = image.width
-	byteList = list(imageBytes)
+	imageHeight = image.height
+	# flatten a tuple of RGBA bytes into a list of bytes
+	byteList = [item for tup in [*image.getdata()] for item in tup]
 
 	for byte in byteList:
 		hexList.append(f'0x{byte:02x}')
@@ -31,9 +35,11 @@ code = f"""#include <Assets.hh>
 #include <vector>
 
 namespace assets {{
-std::vector<unsigned char> {function}() {{
+Image {variable} = {{
-	return {{ {','.join(hexList)} }};
+	.width = {imageWidth},
-}}
+	.height = {imageHeight},
+	.data = {{ {','.join(hexList)} }}
+}};
 }}
 """