Linux update and new asteroids

Chapter03/Game.cpp

@@ -7,14 +7,14 @@
 // ----------------------------------------------------------------
 
 #include "Game.h"
-#include "SDL/SDL_image.h"
+#include "SDL_image.h"
 #include <algorithm>
 #include "Actor.h"
 #include "SpriteComponent.h"
 #include "Ship.h"
 #include "Asteroid.h"
 #include "Random.h"
-
+#include "NewAsteroid.h"
 Game::Game()
 :mWindow(nullptr)
 ,mRenderer(nullptr)
@@ -171,6 +171,11 @@ void Game::LoadData()
 	{
  new Asteroid(this);
 	}
+	const int numNewAsteroids = 10;
+	for (int i = 0; i < numNewAsteroids; i++)
+	{
+ new NewAsteroid(this);
+	}
 }
 
 void Game::UnloadData()
@@ -238,6 +243,21 @@ void Game::RemoveAsteroid(Asteroid* ast)
 	}
 }
 
+void Game::AddNewAsteroid(NewAsteroid* ast)
+{
+	mNewAsteroids.emplace_back(ast);
+}
+
+void Game::RemoveNewAsteroid(NewAsteroid* ast)
+{
+	auto iter = std::find(mNewAsteroids.begin(),
+ mNewAsteroids.end(), ast);
+	if (iter != mNewAsteroids.end())
+	{
+ mNewAsteroids.erase(iter);
+	}
+}
+
 void Game::Shutdown()
 {
 	UnloadData();

Chapter03/Game.h

@@ -7,11 +7,10 @@
 // ----------------------------------------------------------------
 
 #pragma once
-#include "SDL/SDL.h"
+#include "SDL.h"
 #include <unordered_map>
 #include <string>
 #include <vector>
-
 class Game
 {
 public:
@@ -32,6 +31,10 @@ class Game
 	void AddAsteroid(class Asteroid* ast);
 	void RemoveAsteroid(class Asteroid* ast);
 	std::vector<class Asteroid*>& GetAsteroids() { return mAsteroids; }
+
+	void AddNewAsteroid(class NewAsteroid* ast);
+	void RemoveNewAsteroid(class NewAsteroid* ast);
+	std::vector<class NewAsteroid*>& GetNewAsteroids() { return mNewAsteroids; }
 private:
 	void ProcessInput();
 	void UpdateGame();
@@ -60,4 +63,6 @@ class Game
 	// Game-specific
 	class Ship* mShip; // Player's ship
 	std::vector<class Asteroid*> mAsteroids;
+	std::vector<class NewAsteroid*> mNewAsteroids;
+
 };

Chapter03/Laser.cpp

@@ -1,56 +1,67 @@
-// ----------------------------------------------------------------
-// From Game Programming in C++ by Sanjay Madhav
-// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
-// 
-// Released under the BSD License
-// See LICENSE in root directory for full details.
-// ----------------------------------------------------------------
+// Laser.cpp
 
 #include "Laser.h"
 #include "SpriteComponent.h"
 #include "MoveComponent.h"
 #include "Game.h"
 #include "CircleComponent.h"
 #include "Asteroid.h"
+#include "NewAsteroid.h"
 
 Laser::Laser(Game* game)
-	:Actor(game)
-	,mDeathTimer(1.0f)
+ : Actor(game)
+ , mDeathTimer(1.0f)
 {
-// Create a sprite component
-SpriteComponent* sc = new SpriteComponent(this);
-sc->SetTexture(game->GetTexture("Assets/Laser.png"));
+// Create a sprite component
+SpriteComponent* sc = new SpriteComponent(this);
+sc->SetTexture(game->GetTexture("Assets/Laser.png"));
 
-// Create a move component, and set a forward speed
-MoveComponent* mc = new MoveComponent(this);
-mc->SetForwardSpeed(800.0f);
+// Create a move component, and set a forward speed
+MoveComponent* mc = new MoveComponent(this);
+mc->SetForwardSpeed(800.0f);
 
-// Create a circle component (for collision)
-mCircle = new CircleComponent(this);
-mCircle->SetRadius(11.0f);
+// Create a circle component (for collision)
+mCircle = new CircleComponent(this);
+mCircle->SetRadius(11.0f);
 }
 
 void Laser::UpdateActor(float deltaTime)
 {
-	// If we run out of time, laser is dead
-	mDeathTimer -= deltaTime;
-	if (mDeathTimer <= 0.0f)
-	{
- SetState(EDead);
-	}
-	else
-	{
- // Do we intersect with an asteroid?
- for (auto ast : GetGame()->GetAsteroids())
- {
- if (Intersect(*mCircle, *(ast->GetCircle())))
- {
- // The first asteroid we intersect with,
- // set ourselves and the asteroid to dead
- SetState(EDead);
- ast->SetState(EDead);
- break;
- }
- }
-	}
+ // If we run out of time, laser is dead
+ mDeathTimer -= deltaTime;
+ if (mDeathTimer <= 0.0f)
+ {
+ SetState(EDead);
+ }
+ else
+ {
+ // Do we intersect with an asteroid?
+ for (auto ast : GetGame()->GetAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // The first asteroid we intersect with,
+ // set ourselves and the asteroid to dead
+ SetState(EDead);
+ ast->SetState(EDead);
+ break;
+ }
+ }
+
+ for (auto ast : GetGame()->GetNewAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // Reduce the new asteroid's HP
+ ast->mHp -= 1;
+ if (ast->mHp <= 0)
+ {
+ ast->SetState(EDead);
+ }
+ // Set the laser to dead regardless
+ SetState(EDead);
+ break;
+ }
+ }
+ }
 }

Chapter03/NewAsteroid.cpp

@@ -0,0 +1,46 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#include "NewAsteroid.h"
+#include "SpriteComponent.h"
+#include "MoveComponent.h"
+#include "Game.h"
+#include "Random.h"
+#include "CircleComponent.h"
+NewAsteroid::NewAsteroid(Game* game)
+ : Actor(game)
+ , mCircle(nullptr)
+ , mHp(3) // Initialisiere Lebenspunkte auf 3
+{
+ // Initialize to random position/orientation
+ Vector2 randPos = Random::GetVector(Vector2::Zero,
+ Vector2(1024.0f, 768.0f));
+ SetPosition(randPos);
+
+ SetRotation(Random::GetFloatRange(0.0f, Math::TwoPi));
+
+ // Create a sprite component
+ SpriteComponent* sc = new SpriteComponent(this);
+ sc->SetTexture(game->GetTexture("Assets/NewAsteroid.png"));
+
+ // Create a move component, and set a forward speed
+ MoveComponent* mc = new MoveComponent(this);
+ mc->SetForwardSpeed(250.0f);
+
+ // Create a circle component (for collision)
+ mCircle = new CircleComponent(this);
+ mCircle->SetRadius(15.0f);
+
+ // Add to mNewAsteroids in game
+ game->AddNewAsteroid(this);
+}
+
+NewAsteroid::~NewAsteroid()
+{
+ GetGame()->RemoveNewAsteroid(this);
+}

Chapter03/NewAsteroid.h

@@ -0,0 +1,23 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#pragma once
+#include "Actor.h"
+#include "CircleComponent.h"
+class NewAsteroid : public Actor
+{
+public:
+ NewAsteroid(Game* game);
+ ~NewAsteroid();
+ CircleComponent* GetCircle() { return mCircle; }
+
+private:
+ CircleComponent* mCircle;
+	int mHp; // hp
+ friend class Laser;
+};

Chapter03/SpriteComponent.h

@@ -8,7 +8,7 @@
 
 #pragma once
 #include "Component.h"
-#include "SDL/SDL.h"
+#include "SDL.h"
 class SpriteComponent : public Component
 {
 public:

Chapter03/makefile

@@ -0,0 +1,33 @@
+CC = g++ #GNU C++ Compiler
+CFLAGS = -std=c++17 -Wall #Compiler:c++17 Standard with warnings
+LDFLAGS = -lGLEW -lSDL2 -lSOIL -lglfw -lSDL2_image #Libraries
+
+INCDIR = -I/usr/include/GLFW -I/usr/include/SDL2 #Include directories, Path to header Files.
+
+SRCS = $(wildcard *.cpp) #All .cpp -> SRCS
+OBJS = $(SRCS:.cpp=.o) #.cpp -> .o
+EXEC = spaceship_game
+ASSETDIR = Assets
+TARGETDIR = build
+
+all: assets $(EXEC)
+
+#EXEC depends on OBJS
+$(EXEC): $(OBJS)
+	$(CC) $(OBJS) -o $(TARGETDIR)/$(EXEC) $(LDFLAGS) #-o flag -> place where it will be saved
+
+#.cpp-> .o
+.cpp.o:
+	$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@ #-c flag instructs compiler to compile the source code into object code without linking it -> .o
+
+assets:
+	@echo "Copying assets folder..."
+	@mkdir -p $(TARGETDIR)/Assets #-p flag = parent -> recursive creation of directories
+	@cp -r $(ASSETDIR)/* $(TARGETDIR)/Assets #copies recursively ASSETDIR into Assets
+
+clean:
+	rm -f $(OBJS) $(TARGETDIR)/$(EXEC)
+	@echo "Cleaning up assets folder..."
+	@rm -rf $(TARGETDIR)/Assets
+#.Phony -> no files only executable
+.PHONY: all clean assets

Chapter03/Game.cpp

@@ -7,14 +7,14 @@
 // ----------------------------------------------------------------
 
 #include "Game.h"
-#include "SDL/SDL_image.h"
+#include "SDL_image.h"
 #include <algorithm>
 #include "Actor.h"
 #include "SpriteComponent.h"
 #include "Ship.h"
 #include "Asteroid.h"
 #include "Random.h"
-
+#include "NewAsteroid.h"
 Game::Game()
 :mWindow(nullptr)
 ,mRenderer(nullptr)
@@ -171,6 +171,11 @@ void Game::LoadData()
 	{
  new Asteroid(this);
 	}
+	const int numNewAsteroids = 10;
+	for (int i = 0; i < numNewAsteroids; i++)
+	{
+ new NewAsteroid(this);
+	}
 }
 
 void Game::UnloadData()
@@ -238,6 +243,21 @@ void Game::RemoveAsteroid(Asteroid* ast)
 	}
 }
 
+void Game::AddNewAsteroid(NewAsteroid* ast)
+{
+	mNewAsteroids.emplace_back(ast);
+}
+
+void Game::RemoveNewAsteroid(NewAsteroid* ast)
+{
+	auto iter = std::find(mNewAsteroids.begin(),
+ mNewAsteroids.end(), ast);
+	if (iter != mNewAsteroids.end())
+	{
+ mNewAsteroids.erase(iter);
+	}
+}
+
 void Game::Shutdown()
 {
 	UnloadData();

Chapter03/Game.h

@@ -7,11 +7,10 @@
 // ----------------------------------------------------------------
 
 #pragma once
-#include "SDL/SDL.h"
+#include "SDL.h"
 #include <unordered_map>
 #include <string>
 #include <vector>
-
 class Game
 {
 public:
@@ -32,6 +31,10 @@ class Game
 	void AddAsteroid(class Asteroid* ast);
 	void RemoveAsteroid(class Asteroid* ast);
 	std::vector<class Asteroid*>& GetAsteroids() { return mAsteroids; }
+
+	void AddNewAsteroid(class NewAsteroid* ast);
+	void RemoveNewAsteroid(class NewAsteroid* ast);
+	std::vector<class NewAsteroid*>& GetNewAsteroids() { return mNewAsteroids; }
 private:
 	void ProcessInput();
 	void UpdateGame();
@@ -60,4 +63,6 @@ class Game
 	// Game-specific
 	class Ship* mShip; // Player's ship
 	std::vector<class Asteroid*> mAsteroids;
+	std::vector<class NewAsteroid*> mNewAsteroids;
+
 };

Chapter03/Laser.cpp

@@ -1,56 +1,67 @@
-// ----------------------------------------------------------------
-// From Game Programming in C++ by Sanjay Madhav
-// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
-// 
-// Released under the BSD License
-// See LICENSE in root directory for full details.
-// ----------------------------------------------------------------
+// Laser.cpp
 
 #include "Laser.h"
 #include "SpriteComponent.h"
 #include "MoveComponent.h"
 #include "Game.h"
 #include "CircleComponent.h"
 #include "Asteroid.h"
+#include "NewAsteroid.h"
 
 Laser::Laser(Game* game)
-	:Actor(game)
-	,mDeathTimer(1.0f)
+ : Actor(game)
+ , mDeathTimer(1.0f)
 {
-// Create a sprite component
-SpriteComponent* sc = new SpriteComponent(this);
-sc->SetTexture(game->GetTexture("Assets/Laser.png"));
+// Create a sprite component
+SpriteComponent* sc = new SpriteComponent(this);
+sc->SetTexture(game->GetTexture("Assets/Laser.png"));
 
-// Create a move component, and set a forward speed
-MoveComponent* mc = new MoveComponent(this);
-mc->SetForwardSpeed(800.0f);
+// Create a move component, and set a forward speed
+MoveComponent* mc = new MoveComponent(this);
+mc->SetForwardSpeed(800.0f);
 
-// Create a circle component (for collision)
-mCircle = new CircleComponent(this);
-mCircle->SetRadius(11.0f);
+// Create a circle component (for collision)
+mCircle = new CircleComponent(this);
+mCircle->SetRadius(11.0f);
 }
 
 void Laser::UpdateActor(float deltaTime)
 {
-	// If we run out of time, laser is dead
-	mDeathTimer -= deltaTime;
-	if (mDeathTimer <= 0.0f)
-	{
- SetState(EDead);
-	}
-	else
-	{
- // Do we intersect with an asteroid?
- for (auto ast : GetGame()->GetAsteroids())
- {
- if (Intersect(*mCircle, *(ast->GetCircle())))
- {
- // The first asteroid we intersect with,
- // set ourselves and the asteroid to dead
- SetState(EDead);
- ast->SetState(EDead);
- break;
- }
- }
-	}
+ // If we run out of time, laser is dead
+ mDeathTimer -= deltaTime;
+ if (mDeathTimer <= 0.0f)
+ {
+ SetState(EDead);
+ }
+ else
+ {
+ // Do we intersect with an asteroid?
+ for (auto ast : GetGame()->GetAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // The first asteroid we intersect with,
+ // set ourselves and the asteroid to dead
+ SetState(EDead);
+ ast->SetState(EDead);
+ break;
+ }
+ }
+
+ for (auto ast : GetGame()->GetNewAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // Reduce the new asteroid's HP
+ ast->mHp -= 1;
+ if (ast->mHp <= 0)
+ {
+ ast->SetState(EDead);
+ }
+ // Set the laser to dead regardless
+ SetState(EDead);
+ break;
+ }
+ }
+ }
 }

Chapter03/NewAsteroid.cpp

@@ -0,0 +1,46 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#include "NewAsteroid.h"
+#include "SpriteComponent.h"
+#include "MoveComponent.h"
+#include "Game.h"
+#include "Random.h"
+#include "CircleComponent.h"
+NewAsteroid::NewAsteroid(Game* game)
+ : Actor(game)
+ , mCircle(nullptr)
+ , mHp(3) // Initialisiere Lebenspunkte auf 3
+{
+ // Initialize to random position/orientation
+ Vector2 randPos = Random::GetVector(Vector2::Zero,
+ Vector2(1024.0f, 768.0f));
+ SetPosition(randPos);
+
+ SetRotation(Random::GetFloatRange(0.0f, Math::TwoPi));
+
+ // Create a sprite component
+ SpriteComponent* sc = new SpriteComponent(this);
+ sc->SetTexture(game->GetTexture("Assets/NewAsteroid.png"));
+
+ // Create a move component, and set a forward speed
+ MoveComponent* mc = new MoveComponent(this);
+ mc->SetForwardSpeed(250.0f);
+
+ // Create a circle component (for collision)
+ mCircle = new CircleComponent(this);
+ mCircle->SetRadius(15.0f);
+
+ // Add to mNewAsteroids in game
+ game->AddNewAsteroid(this);
+}
+
+NewAsteroid::~NewAsteroid()
+{
+ GetGame()->RemoveNewAsteroid(this);
+}

Chapter03/NewAsteroid.h

@@ -0,0 +1,23 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#pragma once
+#include "Actor.h"
+#include "CircleComponent.h"
+class NewAsteroid : public Actor
+{
+public:
+ NewAsteroid(Game* game);
+ ~NewAsteroid();
+ CircleComponent* GetCircle() { return mCircle; }
+
+private:
+ CircleComponent* mCircle;
+	int mHp; // hp
+ friend class Laser;
+};

Chapter03/SpriteComponent.h

@@ -8,7 +8,7 @@
 
 #pragma once
 #include "Component.h"
-#include "SDL/SDL.h"
+#include "SDL.h"
 class SpriteComponent : public Component
 {
 public:

Chapter03/makefile

@@ -0,0 +1,33 @@
+CC = g++ #GNU C++ Compiler
+CFLAGS = -std=c++17 -Wall #Compiler:c++17 Standard with warnings
+LDFLAGS = -lGLEW -lSDL2 -lSOIL -lglfw -lSDL2_image #Libraries
+
+INCDIR = -I/usr/include/GLFW -I/usr/include/SDL2 #Include directories, Path to header Files.
+
+SRCS = $(wildcard *.cpp) #All .cpp -> SRCS
+OBJS = $(SRCS:.cpp=.o) #.cpp -> .o
+EXEC = spaceship_game
+ASSETDIR = Assets
+TARGETDIR = build
+
+all: assets $(EXEC)
+
+#EXEC depends on OBJS
+$(EXEC): $(OBJS)
+	$(CC) $(OBJS) -o $(TARGETDIR)/$(EXEC) $(LDFLAGS) #-o flag -> place where it will be saved
+
+#.cpp-> .o
+.cpp.o:
+	$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@ #-c flag instructs compiler to compile the source code into object code without linking it -> .o
+
+assets:
+	@echo "Copying assets folder..."
+	@mkdir -p $(TARGETDIR)/Assets #-p flag = parent -> recursive creation of directories
+	@cp -r $(ASSETDIR)/* $(TARGETDIR)/Assets #copies recursively ASSETDIR into Assets
+
+clean:
+	rm -f $(OBJS) $(TARGETDIR)/$(EXEC)
+	@echo "Cleaning up assets folder..."
+	@rm -rf $(TARGETDIR)/Assets
+#.Phony -> no files only executable
+.PHONY: all clean assets

Chapter03/Game.cpp

@@ -7,14 +7,14 @@
 // ----------------------------------------------------------------
 
 #include "Game.h"
-#include "SDL/SDL_image.h"
+#include "SDL_image.h"
 #include <algorithm>
 #include "Actor.h"
 #include "SpriteComponent.h"
 #include "Ship.h"
 #include "Asteroid.h"
 #include "Random.h"
-
+#include "NewAsteroid.h"
 Game::Game()
 :mWindow(nullptr)
 ,mRenderer(nullptr)
@@ -171,6 +171,11 @@ void Game::LoadData()
 	{
  new Asteroid(this);
 	}
+	const int numNewAsteroids = 10;
+	for (int i = 0; i < numNewAsteroids; i++)
+	{
+ new NewAsteroid(this);
+	}
 }
 
 void Game::UnloadData()
@@ -238,6 +243,21 @@ void Game::RemoveAsteroid(Asteroid* ast)
 	}
 }
 
+void Game::AddNewAsteroid(NewAsteroid* ast)
+{
+	mNewAsteroids.emplace_back(ast);
+}
+
+void Game::RemoveNewAsteroid(NewAsteroid* ast)
+{
+	auto iter = std::find(mNewAsteroids.begin(),
+ mNewAsteroids.end(), ast);
+	if (iter != mNewAsteroids.end())
+	{
+ mNewAsteroids.erase(iter);
+	}
+}
+
 void Game::Shutdown()
 {
 	UnloadData();

Chapter03/Game.h

@@ -7,11 +7,10 @@
 // ----------------------------------------------------------------
 
 #pragma once
-#include "SDL/SDL.h"
+#include "SDL.h"
 #include <unordered_map>
 #include <string>
 #include <vector>
-
 class Game
 {
 public:
@@ -32,6 +31,10 @@ class Game
 	void AddAsteroid(class Asteroid* ast);
 	void RemoveAsteroid(class Asteroid* ast);
 	std::vector<class Asteroid*>& GetAsteroids() { return mAsteroids; }
+
+	void AddNewAsteroid(class NewAsteroid* ast);
+	void RemoveNewAsteroid(class NewAsteroid* ast);
+	std::vector<class NewAsteroid*>& GetNewAsteroids() { return mNewAsteroids; }
 private:
 	void ProcessInput();
 	void UpdateGame();
@@ -60,4 +63,6 @@ class Game
 	// Game-specific
 	class Ship* mShip; // Player's ship
 	std::vector<class Asteroid*> mAsteroids;
+	std::vector<class NewAsteroid*> mNewAsteroids;
+
 };

Chapter03/Laser.cpp

@@ -1,56 +1,67 @@
-// ----------------------------------------------------------------
-// From Game Programming in C++ by Sanjay Madhav
-// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
-// 
-// Released under the BSD License
-// See LICENSE in root directory for full details.
-// ----------------------------------------------------------------
+// Laser.cpp
 
 #include "Laser.h"
 #include "SpriteComponent.h"
 #include "MoveComponent.h"
 #include "Game.h"
 #include "CircleComponent.h"
 #include "Asteroid.h"
+#include "NewAsteroid.h"
 
 Laser::Laser(Game* game)
-	:Actor(game)
-	,mDeathTimer(1.0f)
+ : Actor(game)
+ , mDeathTimer(1.0f)
 {
-// Create a sprite component
-SpriteComponent* sc = new SpriteComponent(this);
-sc->SetTexture(game->GetTexture("Assets/Laser.png"));
+// Create a sprite component
+SpriteComponent* sc = new SpriteComponent(this);
+sc->SetTexture(game->GetTexture("Assets/Laser.png"));
 
-// Create a move component, and set a forward speed
-MoveComponent* mc = new MoveComponent(this);
-mc->SetForwardSpeed(800.0f);
+// Create a move component, and set a forward speed
+MoveComponent* mc = new MoveComponent(this);
+mc->SetForwardSpeed(800.0f);
 
-// Create a circle component (for collision)
-mCircle = new CircleComponent(this);
-mCircle->SetRadius(11.0f);
+// Create a circle component (for collision)
+mCircle = new CircleComponent(this);
+mCircle->SetRadius(11.0f);
 }
 
 void Laser::UpdateActor(float deltaTime)
 {
-	// If we run out of time, laser is dead
-	mDeathTimer -= deltaTime;
-	if (mDeathTimer <= 0.0f)
-	{
- SetState(EDead);
-	}
-	else
-	{
- // Do we intersect with an asteroid?
- for (auto ast : GetGame()->GetAsteroids())
- {
- if (Intersect(*mCircle, *(ast->GetCircle())))
- {
- // The first asteroid we intersect with,
- // set ourselves and the asteroid to dead
- SetState(EDead);
- ast->SetState(EDead);
- break;
- }
- }
-	}
+ // If we run out of time, laser is dead
+ mDeathTimer -= deltaTime;
+ if (mDeathTimer <= 0.0f)
+ {
+ SetState(EDead);
+ }
+ else
+ {
+ // Do we intersect with an asteroid?
+ for (auto ast : GetGame()->GetAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // The first asteroid we intersect with,
+ // set ourselves and the asteroid to dead
+ SetState(EDead);
+ ast->SetState(EDead);
+ break;
+ }
+ }
+
+ for (auto ast : GetGame()->GetNewAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // Reduce the new asteroid's HP
+ ast->mHp -= 1;
+ if (ast->mHp <= 0)
+ {
+ ast->SetState(EDead);
+ }
+ // Set the laser to dead regardless
+ SetState(EDead);
+ break;
+ }
+ }
+ }
 }

Chapter03/NewAsteroid.cpp

@@ -0,0 +1,46 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#include "NewAsteroid.h"
+#include "SpriteComponent.h"
+#include "MoveComponent.h"
+#include "Game.h"
+#include "Random.h"
+#include "CircleComponent.h"
+NewAsteroid::NewAsteroid(Game* game)
+ : Actor(game)
+ , mCircle(nullptr)
+ , mHp(3) // Initialisiere Lebenspunkte auf 3
+{
+ // Initialize to random position/orientation
+ Vector2 randPos = Random::GetVector(Vector2::Zero,
+ Vector2(1024.0f, 768.0f));
+ SetPosition(randPos);
+
+ SetRotation(Random::GetFloatRange(0.0f, Math::TwoPi));
+
+ // Create a sprite component
+ SpriteComponent* sc = new SpriteComponent(this);
+ sc->SetTexture(game->GetTexture("Assets/NewAsteroid.png"));
+
+ // Create a move component, and set a forward speed
+ MoveComponent* mc = new MoveComponent(this);
+ mc->SetForwardSpeed(250.0f);
+
+ // Create a circle component (for collision)
+ mCircle = new CircleComponent(this);
+ mCircle->SetRadius(15.0f);
+
+ // Add to mNewAsteroids in game
+ game->AddNewAsteroid(this);
+}
+
+NewAsteroid::~NewAsteroid()
+{
+ GetGame()->RemoveNewAsteroid(this);
+}

Chapter03/NewAsteroid.h

@@ -0,0 +1,23 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#pragma once
+#include "Actor.h"
+#include "CircleComponent.h"
+class NewAsteroid : public Actor
+{
+public:
+ NewAsteroid(Game* game);
+ ~NewAsteroid();
+ CircleComponent* GetCircle() { return mCircle; }
+
+private:
+ CircleComponent* mCircle;
+	int mHp; // hp
+ friend class Laser;
+};

Chapter03/SpriteComponent.h

@@ -8,7 +8,7 @@
 
 #pragma once
 #include "Component.h"
-#include "SDL/SDL.h"
+#include "SDL.h"
 class SpriteComponent : public Component
 {
 public:

Chapter03/makefile

@@ -0,0 +1,33 @@
+CC = g++ #GNU C++ Compiler
+CFLAGS = -std=c++17 -Wall #Compiler:c++17 Standard with warnings
+LDFLAGS = -lGLEW -lSDL2 -lSOIL -lglfw -lSDL2_image #Libraries
+
+INCDIR = -I/usr/include/GLFW -I/usr/include/SDL2 #Include directories, Path to header Files.
+
+SRCS = $(wildcard *.cpp) #All .cpp -> SRCS
+OBJS = $(SRCS:.cpp=.o) #.cpp -> .o
+EXEC = spaceship_game
+ASSETDIR = Assets
+TARGETDIR = build
+
+all: assets $(EXEC)
+
+#EXEC depends on OBJS
+$(EXEC): $(OBJS)
+	$(CC) $(OBJS) -o $(TARGETDIR)/$(EXEC) $(LDFLAGS) #-o flag -> place where it will be saved
+
+#.cpp-> .o
+.cpp.o:
+	$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@ #-c flag instructs compiler to compile the source code into object code without linking it -> .o
+
+assets:
+	@echo "Copying assets folder..."
+	@mkdir -p $(TARGETDIR)/Assets #-p flag = parent -> recursive creation of directories
+	@cp -r $(ASSETDIR)/* $(TARGETDIR)/Assets #copies recursively ASSETDIR into Assets
+
+clean:
+	rm -f $(OBJS) $(TARGETDIR)/$(EXEC)
+	@echo "Cleaning up assets folder..."
+	@rm -rf $(TARGETDIR)/Assets
+#.Phony -> no files only executable
+.PHONY: all clean assets

Chapter03/Game.cpp

@@ -7,14 +7,14 @@
 // ----------------------------------------------------------------
 
 #include "Game.h"
-#include "SDL/SDL_image.h"
+#include "SDL_image.h"
 #include <algorithm>
 #include "Actor.h"
 #include "SpriteComponent.h"
 #include "Ship.h"
 #include "Asteroid.h"
 #include "Random.h"
-
+#include "NewAsteroid.h"
 Game::Game()
 :mWindow(nullptr)
 ,mRenderer(nullptr)
@@ -171,6 +171,11 @@ void Game::LoadData()
 	{
  new Asteroid(this);
 	}
+	const int numNewAsteroids = 10;
+	for (int i = 0; i < numNewAsteroids; i++)
+	{
+ new NewAsteroid(this);
+	}
 }
 
 void Game::UnloadData()
@@ -238,6 +243,21 @@ void Game::RemoveAsteroid(Asteroid* ast)
 	}
 }
 
+void Game::AddNewAsteroid(NewAsteroid* ast)
+{
+	mNewAsteroids.emplace_back(ast);
+}
+
+void Game::RemoveNewAsteroid(NewAsteroid* ast)
+{
+	auto iter = std::find(mNewAsteroids.begin(),
+ mNewAsteroids.end(), ast);
+	if (iter != mNewAsteroids.end())
+	{
+ mNewAsteroids.erase(iter);
+	}
+}
+
 void Game::Shutdown()
 {
 	UnloadData();

Chapter03/Game.h

@@ -7,11 +7,10 @@
 // ----------------------------------------------------------------
 
 #pragma once
-#include "SDL/SDL.h"
+#include "SDL.h"
 #include <unordered_map>
 #include <string>
 #include <vector>
-
 class Game
 {
 public:
@@ -32,6 +31,10 @@ class Game
 	void AddAsteroid(class Asteroid* ast);
 	void RemoveAsteroid(class Asteroid* ast);
 	std::vector<class Asteroid*>& GetAsteroids() { return mAsteroids; }
+
+	void AddNewAsteroid(class NewAsteroid* ast);
+	void RemoveNewAsteroid(class NewAsteroid* ast);
+	std::vector<class NewAsteroid*>& GetNewAsteroids() { return mNewAsteroids; }
 private:
 	void ProcessInput();
 	void UpdateGame();
@@ -60,4 +63,6 @@ class Game
 	// Game-specific
 	class Ship* mShip; // Player's ship
 	std::vector<class Asteroid*> mAsteroids;
+	std::vector<class NewAsteroid*> mNewAsteroids;
+
 };

Chapter03/Laser.cpp

@@ -1,56 +1,67 @@
-// ----------------------------------------------------------------
-// From Game Programming in C++ by Sanjay Madhav
-// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
-// 
-// Released under the BSD License
-// See LICENSE in root directory for full details.
-// ----------------------------------------------------------------
+// Laser.cpp
 
 #include "Laser.h"
 #include "SpriteComponent.h"
 #include "MoveComponent.h"
 #include "Game.h"
 #include "CircleComponent.h"
 #include "Asteroid.h"
+#include "NewAsteroid.h"
 
 Laser::Laser(Game* game)
-	:Actor(game)
-	,mDeathTimer(1.0f)
+ : Actor(game)
+ , mDeathTimer(1.0f)
 {
-// Create a sprite component
-SpriteComponent* sc = new SpriteComponent(this);
-sc->SetTexture(game->GetTexture("Assets/Laser.png"));
+// Create a sprite component
+SpriteComponent* sc = new SpriteComponent(this);
+sc->SetTexture(game->GetTexture("Assets/Laser.png"));
 
-// Create a move component, and set a forward speed
-MoveComponent* mc = new MoveComponent(this);
-mc->SetForwardSpeed(800.0f);
+// Create a move component, and set a forward speed
+MoveComponent* mc = new MoveComponent(this);
+mc->SetForwardSpeed(800.0f);
 
-// Create a circle component (for collision)
-mCircle = new CircleComponent(this);
-mCircle->SetRadius(11.0f);
+// Create a circle component (for collision)
+mCircle = new CircleComponent(this);
+mCircle->SetRadius(11.0f);
 }
 
 void Laser::UpdateActor(float deltaTime)
 {
-	// If we run out of time, laser is dead
-	mDeathTimer -= deltaTime;
-	if (mDeathTimer <= 0.0f)
-	{
- SetState(EDead);
-	}
-	else
-	{
- // Do we intersect with an asteroid?
- for (auto ast : GetGame()->GetAsteroids())
- {
- if (Intersect(*mCircle, *(ast->GetCircle())))
- {
- // The first asteroid we intersect with,
- // set ourselves and the asteroid to dead
- SetState(EDead);
- ast->SetState(EDead);
- break;
- }
- }
-	}
+ // If we run out of time, laser is dead
+ mDeathTimer -= deltaTime;
+ if (mDeathTimer <= 0.0f)
+ {
+ SetState(EDead);
+ }
+ else
+ {
+ // Do we intersect with an asteroid?
+ for (auto ast : GetGame()->GetAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // The first asteroid we intersect with,
+ // set ourselves and the asteroid to dead
+ SetState(EDead);
+ ast->SetState(EDead);
+ break;
+ }
+ }
+
+ for (auto ast : GetGame()->GetNewAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // Reduce the new asteroid's HP
+ ast->mHp -= 1;
+ if (ast->mHp <= 0)
+ {
+ ast->SetState(EDead);
+ }
+ // Set the laser to dead regardless
+ SetState(EDead);
+ break;
+ }
+ }
+ }
 }

Chapter03/NewAsteroid.cpp

@@ -0,0 +1,46 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#include "NewAsteroid.h"
+#include "SpriteComponent.h"
+#include "MoveComponent.h"
+#include "Game.h"
+#include "Random.h"
+#include "CircleComponent.h"
+NewAsteroid::NewAsteroid(Game* game)
+ : Actor(game)
+ , mCircle(nullptr)
+ , mHp(3) // Initialisiere Lebenspunkte auf 3
+{
+ // Initialize to random position/orientation
+ Vector2 randPos = Random::GetVector(Vector2::Zero,
+ Vector2(1024.0f, 768.0f));
+ SetPosition(randPos);
+
+ SetRotation(Random::GetFloatRange(0.0f, Math::TwoPi));
+
+ // Create a sprite component
+ SpriteComponent* sc = new SpriteComponent(this);
+ sc->SetTexture(game->GetTexture("Assets/NewAsteroid.png"));
+
+ // Create a move component, and set a forward speed
+ MoveComponent* mc = new MoveComponent(this);
+ mc->SetForwardSpeed(250.0f);
+
+ // Create a circle component (for collision)
+ mCircle = new CircleComponent(this);
+ mCircle->SetRadius(15.0f);
+
+ // Add to mNewAsteroids in game
+ game->AddNewAsteroid(this);
+}
+
+NewAsteroid::~NewAsteroid()
+{
+ GetGame()->RemoveNewAsteroid(this);
+}

Chapter03/NewAsteroid.h

@@ -0,0 +1,23 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#pragma once
+#include "Actor.h"
+#include "CircleComponent.h"
+class NewAsteroid : public Actor
+{
+public:
+ NewAsteroid(Game* game);
+ ~NewAsteroid();
+ CircleComponent* GetCircle() { return mCircle; }
+
+private:
+ CircleComponent* mCircle;
+	int mHp; // hp
+ friend class Laser;
+};

Chapter03/SpriteComponent.h

@@ -8,7 +8,7 @@
 
 #pragma once
 #include "Component.h"
-#include "SDL/SDL.h"
+#include "SDL.h"
 class SpriteComponent : public Component
 {
 public:

Chapter03/makefile

@@ -0,0 +1,33 @@
+CC = g++ #GNU C++ Compiler
+CFLAGS = -std=c++17 -Wall #Compiler:c++17 Standard with warnings
+LDFLAGS = -lGLEW -lSDL2 -lSOIL -lglfw -lSDL2_image #Libraries
+
+INCDIR = -I/usr/include/GLFW -I/usr/include/SDL2 #Include directories, Path to header Files.
+
+SRCS = $(wildcard *.cpp) #All .cpp -> SRCS
+OBJS = $(SRCS:.cpp=.o) #.cpp -> .o
+EXEC = spaceship_game
+ASSETDIR = Assets
+TARGETDIR = build
+
+all: assets $(EXEC)
+
+#EXEC depends on OBJS
+$(EXEC): $(OBJS)
+	$(CC) $(OBJS) -o $(TARGETDIR)/$(EXEC) $(LDFLAGS) #-o flag -> place where it will be saved
+
+#.cpp-> .o
+.cpp.o:
+	$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@ #-c flag instructs compiler to compile the source code into object code without linking it -> .o
+
+assets:
+	@echo "Copying assets folder..."
+	@mkdir -p $(TARGETDIR)/Assets #-p flag = parent -> recursive creation of directories
+	@cp -r $(ASSETDIR)/* $(TARGETDIR)/Assets #copies recursively ASSETDIR into Assets
+
+clean:
+	rm -f $(OBJS) $(TARGETDIR)/$(EXEC)
+	@echo "Cleaning up assets folder..."
+	@rm -rf $(TARGETDIR)/Assets
+#.Phony -> no files only executable
+.PHONY: all clean assets

Chapter03/Game.cpp

@@ -7,14 +7,14 @@
 // ----------------------------------------------------------------
 
 #include "Game.h"
-#include "SDL/SDL_image.h"
+#include "SDL_image.h"
 #include <algorithm>
 #include "Actor.h"
 #include "SpriteComponent.h"
 #include "Ship.h"
 #include "Asteroid.h"
 #include "Random.h"
-
+#include "NewAsteroid.h"
 Game::Game()
 :mWindow(nullptr)
 ,mRenderer(nullptr)
@@ -171,6 +171,11 @@ void Game::LoadData()
 	{
  new Asteroid(this);
 	}
+	const int numNewAsteroids = 10;
+	for (int i = 0; i < numNewAsteroids; i++)
+	{
+ new NewAsteroid(this);
+	}
 }
 
 void Game::UnloadData()
@@ -238,6 +243,21 @@ void Game::RemoveAsteroid(Asteroid* ast)
 	}
 }
 
+void Game::AddNewAsteroid(NewAsteroid* ast)
+{
+	mNewAsteroids.emplace_back(ast);
+}
+
+void Game::RemoveNewAsteroid(NewAsteroid* ast)
+{
+	auto iter = std::find(mNewAsteroids.begin(),
+ mNewAsteroids.end(), ast);
+	if (iter != mNewAsteroids.end())
+	{
+ mNewAsteroids.erase(iter);
+	}
+}
+
 void Game::Shutdown()
 {
 	UnloadData();

Chapter03/Game.h

@@ -7,11 +7,10 @@
 // ----------------------------------------------------------------
 
 #pragma once
-#include "SDL/SDL.h"
+#include "SDL.h"
 #include <unordered_map>
 #include <string>
 #include <vector>
-
 class Game
 {
 public:
@@ -32,6 +31,10 @@ class Game
 	void AddAsteroid(class Asteroid* ast);
 	void RemoveAsteroid(class Asteroid* ast);
 	std::vector<class Asteroid*>& GetAsteroids() { return mAsteroids; }
+
+	void AddNewAsteroid(class NewAsteroid* ast);
+	void RemoveNewAsteroid(class NewAsteroid* ast);
+	std::vector<class NewAsteroid*>& GetNewAsteroids() { return mNewAsteroids; }
 private:
 	void ProcessInput();
 	void UpdateGame();
@@ -60,4 +63,6 @@ class Game
 	// Game-specific
 	class Ship* mShip; // Player's ship
 	std::vector<class Asteroid*> mAsteroids;
+	std::vector<class NewAsteroid*> mNewAsteroids;
+
 };

Chapter03/Laser.cpp

@@ -1,56 +1,67 @@
-// ----------------------------------------------------------------
-// From Game Programming in C++ by Sanjay Madhav
-// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
-// 
-// Released under the BSD License
-// See LICENSE in root directory for full details.
-// ----------------------------------------------------------------
+// Laser.cpp
 
 #include "Laser.h"
 #include "SpriteComponent.h"
 #include "MoveComponent.h"
 #include "Game.h"
 #include "CircleComponent.h"
 #include "Asteroid.h"
+#include "NewAsteroid.h"
 
 Laser::Laser(Game* game)
-	:Actor(game)
-	,mDeathTimer(1.0f)
+ : Actor(game)
+ , mDeathTimer(1.0f)
 {
-// Create a sprite component
-SpriteComponent* sc = new SpriteComponent(this);
-sc->SetTexture(game->GetTexture("Assets/Laser.png"));
+// Create a sprite component
+SpriteComponent* sc = new SpriteComponent(this);
+sc->SetTexture(game->GetTexture("Assets/Laser.png"));
 
-// Create a move component, and set a forward speed
-MoveComponent* mc = new MoveComponent(this);
-mc->SetForwardSpeed(800.0f);
+// Create a move component, and set a forward speed
+MoveComponent* mc = new MoveComponent(this);
+mc->SetForwardSpeed(800.0f);
 
-// Create a circle component (for collision)
-mCircle = new CircleComponent(this);
-mCircle->SetRadius(11.0f);
+// Create a circle component (for collision)
+mCircle = new CircleComponent(this);
+mCircle->SetRadius(11.0f);
 }
 
 void Laser::UpdateActor(float deltaTime)
 {
-	// If we run out of time, laser is dead
-	mDeathTimer -= deltaTime;
-	if (mDeathTimer <= 0.0f)
-	{
- SetState(EDead);
-	}
-	else
-	{
- // Do we intersect with an asteroid?
- for (auto ast : GetGame()->GetAsteroids())
- {
- if (Intersect(*mCircle, *(ast->GetCircle())))
- {
- // The first asteroid we intersect with,
- // set ourselves and the asteroid to dead
- SetState(EDead);
- ast->SetState(EDead);
- break;
- }
- }
-	}
+ // If we run out of time, laser is dead
+ mDeathTimer -= deltaTime;
+ if (mDeathTimer <= 0.0f)
+ {
+ SetState(EDead);
+ }
+ else
+ {
+ // Do we intersect with an asteroid?
+ for (auto ast : GetGame()->GetAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // The first asteroid we intersect with,
+ // set ourselves and the asteroid to dead
+ SetState(EDead);
+ ast->SetState(EDead);
+ break;
+ }
+ }
+
+ for (auto ast : GetGame()->GetNewAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // Reduce the new asteroid's HP
+ ast->mHp -= 1;
+ if (ast->mHp <= 0)
+ {
+ ast->SetState(EDead);
+ }
+ // Set the laser to dead regardless
+ SetState(EDead);
+ break;
+ }
+ }
+ }
 }

Chapter03/NewAsteroid.cpp

@@ -0,0 +1,46 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#include "NewAsteroid.h"
+#include "SpriteComponent.h"
+#include "MoveComponent.h"
+#include "Game.h"
+#include "Random.h"
+#include "CircleComponent.h"
+NewAsteroid::NewAsteroid(Game* game)
+ : Actor(game)
+ , mCircle(nullptr)
+ , mHp(3) // Initialisiere Lebenspunkte auf 3
+{
+ // Initialize to random position/orientation
+ Vector2 randPos = Random::GetVector(Vector2::Zero,
+ Vector2(1024.0f, 768.0f));
+ SetPosition(randPos);
+
+ SetRotation(Random::GetFloatRange(0.0f, Math::TwoPi));
+
+ // Create a sprite component
+ SpriteComponent* sc = new SpriteComponent(this);
+ sc->SetTexture(game->GetTexture("Assets/NewAsteroid.png"));
+
+ // Create a move component, and set a forward speed
+ MoveComponent* mc = new MoveComponent(this);
+ mc->SetForwardSpeed(250.0f);
+
+ // Create a circle component (for collision)
+ mCircle = new CircleComponent(this);
+ mCircle->SetRadius(15.0f);
+
+ // Add to mNewAsteroids in game
+ game->AddNewAsteroid(this);
+}
+
+NewAsteroid::~NewAsteroid()
+{
+ GetGame()->RemoveNewAsteroid(this);
+}

Chapter03/NewAsteroid.h

@@ -0,0 +1,23 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#pragma once
+#include "Actor.h"
+#include "CircleComponent.h"
+class NewAsteroid : public Actor
+{
+public:
+ NewAsteroid(Game* game);
+ ~NewAsteroid();
+ CircleComponent* GetCircle() { return mCircle; }
+
+private:
+ CircleComponent* mCircle;
+	int mHp; // hp
+ friend class Laser;
+};

Chapter03/SpriteComponent.h

@@ -8,7 +8,7 @@
 
 #pragma once
 #include "Component.h"
-#include "SDL/SDL.h"
+#include "SDL.h"
 class SpriteComponent : public Component
 {
 public:

Chapter03/makefile

@@ -0,0 +1,33 @@
+CC = g++ #GNU C++ Compiler
+CFLAGS = -std=c++17 -Wall #Compiler:c++17 Standard with warnings
+LDFLAGS = -lGLEW -lSDL2 -lSOIL -lglfw -lSDL2_image #Libraries
+
+INCDIR = -I/usr/include/GLFW -I/usr/include/SDL2 #Include directories, Path to header Files.
+
+SRCS = $(wildcard *.cpp) #All .cpp -> SRCS
+OBJS = $(SRCS:.cpp=.o) #.cpp -> .o
+EXEC = spaceship_game
+ASSETDIR = Assets
+TARGETDIR = build
+
+all: assets $(EXEC)
+
+#EXEC depends on OBJS
+$(EXEC): $(OBJS)
+	$(CC) $(OBJS) -o $(TARGETDIR)/$(EXEC) $(LDFLAGS) #-o flag -> place where it will be saved
+
+#.cpp-> .o
+.cpp.o:
+	$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@ #-c flag instructs compiler to compile the source code into object code without linking it -> .o
+
+assets:
+	@echo "Copying assets folder..."
+	@mkdir -p $(TARGETDIR)/Assets #-p flag = parent -> recursive creation of directories
+	@cp -r $(ASSETDIR)/* $(TARGETDIR)/Assets #copies recursively ASSETDIR into Assets
+
+clean:
+	rm -f $(OBJS) $(TARGETDIR)/$(EXEC)
+	@echo "Cleaning up assets folder..."
+	@rm -rf $(TARGETDIR)/Assets
+#.Phony -> no files only executable
+.PHONY: all clean assets

Chapter03/Game.cpp

@@ -7,14 +7,14 @@
 // ----------------------------------------------------------------
 
 #include "Game.h"
-#include "SDL/SDL_image.h"
+#include "SDL_image.h"
 #include <algorithm>
 #include "Actor.h"
 #include "SpriteComponent.h"
 #include "Ship.h"
 #include "Asteroid.h"
 #include "Random.h"
-
+#include "NewAsteroid.h"
 Game::Game()
 :mWindow(nullptr)
 ,mRenderer(nullptr)
@@ -171,6 +171,11 @@ void Game::LoadData()
 	{
  new Asteroid(this);
 	}
+	const int numNewAsteroids = 10;
+	for (int i = 0; i < numNewAsteroids; i++)
+	{
+ new NewAsteroid(this);
+	}
 }
 
 void Game::UnloadData()
@@ -238,6 +243,21 @@ void Game::RemoveAsteroid(Asteroid* ast)
 	}
 }
 
+void Game::AddNewAsteroid(NewAsteroid* ast)
+{
+	mNewAsteroids.emplace_back(ast);
+}
+
+void Game::RemoveNewAsteroid(NewAsteroid* ast)
+{
+	auto iter = std::find(mNewAsteroids.begin(),
+ mNewAsteroids.end(), ast);
+	if (iter != mNewAsteroids.end())
+	{
+ mNewAsteroids.erase(iter);
+	}
+}
+
 void Game::Shutdown()
 {
 	UnloadData();

Chapter03/Game.h

@@ -7,11 +7,10 @@
 // ----------------------------------------------------------------
 
 #pragma once
-#include "SDL/SDL.h"
+#include "SDL.h"
 #include <unordered_map>
 #include <string>
 #include <vector>
-
 class Game
 {
 public:
@@ -32,6 +31,10 @@ class Game
 	void AddAsteroid(class Asteroid* ast);
 	void RemoveAsteroid(class Asteroid* ast);
 	std::vector<class Asteroid*>& GetAsteroids() { return mAsteroids; }
+
+	void AddNewAsteroid(class NewAsteroid* ast);
+	void RemoveNewAsteroid(class NewAsteroid* ast);
+	std::vector<class NewAsteroid*>& GetNewAsteroids() { return mNewAsteroids; }
 private:
 	void ProcessInput();
 	void UpdateGame();
@@ -60,4 +63,6 @@ class Game
 	// Game-specific
 	class Ship* mShip; // Player's ship
 	std::vector<class Asteroid*> mAsteroids;
+	std::vector<class NewAsteroid*> mNewAsteroids;
+
 };

Chapter03/Laser.cpp

@@ -1,56 +1,67 @@
-// ----------------------------------------------------------------
-// From Game Programming in C++ by Sanjay Madhav
-// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
-// 
-// Released under the BSD License
-// See LICENSE in root directory for full details.
-// ----------------------------------------------------------------
+// Laser.cpp
 
 #include "Laser.h"
 #include "SpriteComponent.h"
 #include "MoveComponent.h"
 #include "Game.h"
 #include "CircleComponent.h"
 #include "Asteroid.h"
+#include "NewAsteroid.h"
 
 Laser::Laser(Game* game)
-	:Actor(game)
-	,mDeathTimer(1.0f)
+ : Actor(game)
+ , mDeathTimer(1.0f)
 {
-// Create a sprite component
-SpriteComponent* sc = new SpriteComponent(this);
-sc->SetTexture(game->GetTexture("Assets/Laser.png"));
+// Create a sprite component
+SpriteComponent* sc = new SpriteComponent(this);
+sc->SetTexture(game->GetTexture("Assets/Laser.png"));
 
-// Create a move component, and set a forward speed
-MoveComponent* mc = new MoveComponent(this);
-mc->SetForwardSpeed(800.0f);
+// Create a move component, and set a forward speed
+MoveComponent* mc = new MoveComponent(this);
+mc->SetForwardSpeed(800.0f);
 
-// Create a circle component (for collision)
-mCircle = new CircleComponent(this);
-mCircle->SetRadius(11.0f);
+// Create a circle component (for collision)
+mCircle = new CircleComponent(this);
+mCircle->SetRadius(11.0f);
 }
 
 void Laser::UpdateActor(float deltaTime)
 {
-	// If we run out of time, laser is dead
-	mDeathTimer -= deltaTime;
-	if (mDeathTimer <= 0.0f)
-	{
- SetState(EDead);
-	}
-	else
-	{
- // Do we intersect with an asteroid?
- for (auto ast : GetGame()->GetAsteroids())
- {
- if (Intersect(*mCircle, *(ast->GetCircle())))
- {
- // The first asteroid we intersect with,
- // set ourselves and the asteroid to dead
- SetState(EDead);
- ast->SetState(EDead);
- break;
- }
- }
-	}
+ // If we run out of time, laser is dead
+ mDeathTimer -= deltaTime;
+ if (mDeathTimer <= 0.0f)
+ {
+ SetState(EDead);
+ }
+ else
+ {
+ // Do we intersect with an asteroid?
+ for (auto ast : GetGame()->GetAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // The first asteroid we intersect with,
+ // set ourselves and the asteroid to dead
+ SetState(EDead);
+ ast->SetState(EDead);
+ break;
+ }
+ }
+
+ for (auto ast : GetGame()->GetNewAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // Reduce the new asteroid's HP
+ ast->mHp -= 1;
+ if (ast->mHp <= 0)
+ {
+ ast->SetState(EDead);
+ }
+ // Set the laser to dead regardless
+ SetState(EDead);
+ break;
+ }
+ }
+ }
 }

Chapter03/NewAsteroid.cpp

@@ -0,0 +1,46 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#include "NewAsteroid.h"
+#include "SpriteComponent.h"
+#include "MoveComponent.h"
+#include "Game.h"
+#include "Random.h"
+#include "CircleComponent.h"
+NewAsteroid::NewAsteroid(Game* game)
+ : Actor(game)
+ , mCircle(nullptr)
+ , mHp(3) // Initialisiere Lebenspunkte auf 3
+{
+ // Initialize to random position/orientation
+ Vector2 randPos = Random::GetVector(Vector2::Zero,
+ Vector2(1024.0f, 768.0f));
+ SetPosition(randPos);
+
+ SetRotation(Random::GetFloatRange(0.0f, Math::TwoPi));
+
+ // Create a sprite component
+ SpriteComponent* sc = new SpriteComponent(this);
+ sc->SetTexture(game->GetTexture("Assets/NewAsteroid.png"));
+
+ // Create a move component, and set a forward speed
+ MoveComponent* mc = new MoveComponent(this);
+ mc->SetForwardSpeed(250.0f);
+
+ // Create a circle component (for collision)
+ mCircle = new CircleComponent(this);
+ mCircle->SetRadius(15.0f);
+
+ // Add to mNewAsteroids in game
+ game->AddNewAsteroid(this);
+}
+
+NewAsteroid::~NewAsteroid()
+{
+ GetGame()->RemoveNewAsteroid(this);
+}

Chapter03/NewAsteroid.h

@@ -0,0 +1,23 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#pragma once
+#include "Actor.h"
+#include "CircleComponent.h"
+class NewAsteroid : public Actor
+{
+public:
+ NewAsteroid(Game* game);
+ ~NewAsteroid();
+ CircleComponent* GetCircle() { return mCircle; }
+
+private:
+ CircleComponent* mCircle;
+	int mHp; // hp
+ friend class Laser;
+};

Chapter03/SpriteComponent.h

@@ -8,7 +8,7 @@
 
 #pragma once
 #include "Component.h"
-#include "SDL/SDL.h"
+#include "SDL.h"
 class SpriteComponent : public Component
 {
 public:

Chapter03/makefile

@@ -0,0 +1,33 @@
+CC = g++ #GNU C++ Compiler
+CFLAGS = -std=c++17 -Wall #Compiler:c++17 Standard with warnings
+LDFLAGS = -lGLEW -lSDL2 -lSOIL -lglfw -lSDL2_image #Libraries
+
+INCDIR = -I/usr/include/GLFW -I/usr/include/SDL2 #Include directories, Path to header Files.
+
+SRCS = $(wildcard *.cpp) #All .cpp -> SRCS
+OBJS = $(SRCS:.cpp=.o) #.cpp -> .o
+EXEC = spaceship_game
+ASSETDIR = Assets
+TARGETDIR = build
+
+all: assets $(EXEC)
+
+#EXEC depends on OBJS
+$(EXEC): $(OBJS)
+	$(CC) $(OBJS) -o $(TARGETDIR)/$(EXEC) $(LDFLAGS) #-o flag -> place where it will be saved
+
+#.cpp-> .o
+.cpp.o:
+	$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@ #-c flag instructs compiler to compile the source code into object code without linking it -> .o
+
+assets:
+	@echo "Copying assets folder..."
+	@mkdir -p $(TARGETDIR)/Assets #-p flag = parent -> recursive creation of directories
+	@cp -r $(ASSETDIR)/* $(TARGETDIR)/Assets #copies recursively ASSETDIR into Assets
+
+clean:
+	rm -f $(OBJS) $(TARGETDIR)/$(EXEC)
+	@echo "Cleaning up assets folder..."
+	@rm -rf $(TARGETDIR)/Assets
+#.Phony -> no files only executable
+.PHONY: all clean assets

Chapter03/Game.cpp

@@ -7,14 +7,14 @@
 // ----------------------------------------------------------------
 
 #include "Game.h"
-#include "SDL/SDL_image.h"
+#include "SDL_image.h"
 #include <algorithm>
 #include "Actor.h"
 #include "SpriteComponent.h"
 #include "Ship.h"
 #include "Asteroid.h"
 #include "Random.h"
-
+#include "NewAsteroid.h"
 Game::Game()
 :mWindow(nullptr)
 ,mRenderer(nullptr)
@@ -171,6 +171,11 @@ void Game::LoadData()
 	{
  new Asteroid(this);
 	}
+	const int numNewAsteroids = 10;
+	for (int i = 0; i < numNewAsteroids; i++)
+	{
+ new NewAsteroid(this);
+	}
 }
 
 void Game::UnloadData()
@@ -238,6 +243,21 @@ void Game::RemoveAsteroid(Asteroid* ast)
 	}
 }
 
+void Game::AddNewAsteroid(NewAsteroid* ast)
+{
+	mNewAsteroids.emplace_back(ast);
+}
+
+void Game::RemoveNewAsteroid(NewAsteroid* ast)
+{
+	auto iter = std::find(mNewAsteroids.begin(),
+ mNewAsteroids.end(), ast);
+	if (iter != mNewAsteroids.end())
+	{
+ mNewAsteroids.erase(iter);
+	}
+}
+
 void Game::Shutdown()
 {
 	UnloadData();

Chapter03/Game.h

@@ -7,11 +7,10 @@
 // ----------------------------------------------------------------
 
 #pragma once
-#include "SDL/SDL.h"
+#include "SDL.h"
 #include <unordered_map>
 #include <string>
 #include <vector>
-
 class Game
 {
 public:
@@ -32,6 +31,10 @@ class Game
 	void AddAsteroid(class Asteroid* ast);
 	void RemoveAsteroid(class Asteroid* ast);
 	std::vector<class Asteroid*>& GetAsteroids() { return mAsteroids; }
+
+	void AddNewAsteroid(class NewAsteroid* ast);
+	void RemoveNewAsteroid(class NewAsteroid* ast);
+	std::vector<class NewAsteroid*>& GetNewAsteroids() { return mNewAsteroids; }
 private:
 	void ProcessInput();
 	void UpdateGame();
@@ -60,4 +63,6 @@ class Game
 	// Game-specific
 	class Ship* mShip; // Player's ship
 	std::vector<class Asteroid*> mAsteroids;
+	std::vector<class NewAsteroid*> mNewAsteroids;
+
 };

Chapter03/Laser.cpp

@@ -1,56 +1,67 @@
-// ----------------------------------------------------------------
-// From Game Programming in C++ by Sanjay Madhav
-// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
-// 
-// Released under the BSD License
-// See LICENSE in root directory for full details.
-// ----------------------------------------------------------------
+// Laser.cpp
 
 #include "Laser.h"
 #include "SpriteComponent.h"
 #include "MoveComponent.h"
 #include "Game.h"
 #include "CircleComponent.h"
 #include "Asteroid.h"
+#include "NewAsteroid.h"
 
 Laser::Laser(Game* game)
-	:Actor(game)
-	,mDeathTimer(1.0f)
+ : Actor(game)
+ , mDeathTimer(1.0f)
 {
-// Create a sprite component
-SpriteComponent* sc = new SpriteComponent(this);
-sc->SetTexture(game->GetTexture("Assets/Laser.png"));
+// Create a sprite component
+SpriteComponent* sc = new SpriteComponent(this);
+sc->SetTexture(game->GetTexture("Assets/Laser.png"));
 
-// Create a move component, and set a forward speed
-MoveComponent* mc = new MoveComponent(this);
-mc->SetForwardSpeed(800.0f);
+// Create a move component, and set a forward speed
+MoveComponent* mc = new MoveComponent(this);
+mc->SetForwardSpeed(800.0f);
 
-// Create a circle component (for collision)
-mCircle = new CircleComponent(this);
-mCircle->SetRadius(11.0f);
+// Create a circle component (for collision)
+mCircle = new CircleComponent(this);
+mCircle->SetRadius(11.0f);
 }
 
 void Laser::UpdateActor(float deltaTime)
 {
-	// If we run out of time, laser is dead
-	mDeathTimer -= deltaTime;
-	if (mDeathTimer <= 0.0f)
-	{
- SetState(EDead);
-	}
-	else
-	{
- // Do we intersect with an asteroid?
- for (auto ast : GetGame()->GetAsteroids())
- {
- if (Intersect(*mCircle, *(ast->GetCircle())))
- {
- // The first asteroid we intersect with,
- // set ourselves and the asteroid to dead
- SetState(EDead);
- ast->SetState(EDead);
- break;
- }
- }
-	}
+ // If we run out of time, laser is dead
+ mDeathTimer -= deltaTime;
+ if (mDeathTimer <= 0.0f)
+ {
+ SetState(EDead);
+ }
+ else
+ {
+ // Do we intersect with an asteroid?
+ for (auto ast : GetGame()->GetAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // The first asteroid we intersect with,
+ // set ourselves and the asteroid to dead
+ SetState(EDead);
+ ast->SetState(EDead);
+ break;
+ }
+ }
+
+ for (auto ast : GetGame()->GetNewAsteroids())
+ {
+ if (Intersect(*mCircle, *(ast->GetCircle())))
+ {
+ // Reduce the new asteroid's HP
+ ast->mHp -= 1;
+ if (ast->mHp <= 0)
+ {
+ ast->SetState(EDead);
+ }
+ // Set the laser to dead regardless
+ SetState(EDead);
+ break;
+ }
+ }
+ }
 }

Chapter03/NewAsteroid.cpp

@@ -0,0 +1,46 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#include "NewAsteroid.h"
+#include "SpriteComponent.h"
+#include "MoveComponent.h"
+#include "Game.h"
+#include "Random.h"
+#include "CircleComponent.h"
+NewAsteroid::NewAsteroid(Game* game)
+ : Actor(game)
+ , mCircle(nullptr)
+ , mHp(3) // Initialisiere Lebenspunkte auf 3
+{
+ // Initialize to random position/orientation
+ Vector2 randPos = Random::GetVector(Vector2::Zero,
+ Vector2(1024.0f, 768.0f));
+ SetPosition(randPos);
+
+ SetRotation(Random::GetFloatRange(0.0f, Math::TwoPi));
+
+ // Create a sprite component
+ SpriteComponent* sc = new SpriteComponent(this);
+ sc->SetTexture(game->GetTexture("Assets/NewAsteroid.png"));
+
+ // Create a move component, and set a forward speed
+ MoveComponent* mc = new MoveComponent(this);
+ mc->SetForwardSpeed(250.0f);
+
+ // Create a circle component (for collision)
+ mCircle = new CircleComponent(this);
+ mCircle->SetRadius(15.0f);
+
+ // Add to mNewAsteroids in game
+ game->AddNewAsteroid(this);
+}
+
+NewAsteroid::~NewAsteroid()
+{
+ GetGame()->RemoveNewAsteroid(this);
+}

Chapter03/NewAsteroid.h

@@ -0,0 +1,23 @@
+// ----------------------------------------------------------------
+// From Game Programming in C++ by Sanjay Madhav
+// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
+// 
+// Released under the BSD License
+// See LICENSE in root directory for full details.
+// ----------------------------------------------------------------
+
+#pragma once
+#include "Actor.h"
+#include "CircleComponent.h"
+class NewAsteroid : public Actor
+{
+public:
+ NewAsteroid(Game* game);
+ ~NewAsteroid();
+ CircleComponent* GetCircle() { return mCircle; }
+
+private:
+ CircleComponent* mCircle;
+	int mHp; // hp
+ friend class Laser;
+};

Chapter03/SpriteComponent.h

@@ -8,7 +8,7 @@
 
 #pragma once
 #include "Component.h"
-#include "SDL/SDL.h"
+#include "SDL.h"
 class SpriteComponent : public Component
 {
 public:

Chapter03/makefile

@@ -0,0 +1,33 @@
+CC = g++ #GNU C++ Compiler
+CFLAGS = -std=c++17 -Wall #Compiler:c++17 Standard with warnings
+LDFLAGS = -lGLEW -lSDL2 -lSOIL -lglfw -lSDL2_image #Libraries
+
+INCDIR = -I/usr/include/GLFW -I/usr/include/SDL2 #Include directories, Path to header Files.
+
+SRCS = $(wildcard *.cpp) #All .cpp -> SRCS
+OBJS = $(SRCS:.cpp=.o) #.cpp -> .o
+EXEC = spaceship_game
+ASSETDIR = Assets
+TARGETDIR = build
+
+all: assets $(EXEC)
+
+#EXEC depends on OBJS
+$(EXEC): $(OBJS)
+	$(CC) $(OBJS) -o $(TARGETDIR)/$(EXEC) $(LDFLAGS) #-o flag -> place where it will be saved
+
+#.cpp-> .o
+.cpp.o:
+	$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@ #-c flag instructs compiler to compile the source code into object code without linking it -> .o
+
+assets:
+	@echo "Copying assets folder..."
+	@mkdir -p $(TARGETDIR)/Assets #-p flag = parent -> recursive creation of directories
+	@cp -r $(ASSETDIR)/* $(TARGETDIR)/Assets #copies recursively ASSETDIR into Assets
+
+clean:
+	rm -f $(OBJS) $(TARGETDIR)/$(EXEC)
+	@echo "Cleaning up assets folder..."
+	@rm -rf $(TARGETDIR)/Assets
+#.Phony -> no files only executable
+.PHONY: all clean assets