feat: Adding world::buildScene() method

SFMLEngine/makingAGameTick/Classes/Other/world.cpp

@@ -1,6 +1,9 @@
 #ifndef WORLD_CPP // ZA WARUDO
 #define WORLD_CPP
 
+#include <cstddef> // std::size_t
+#include "../SceneNodeDerrivatives/SpriteNode.hpp"
+
 World::World(sf::RenderWindow& window)
 : mWindow(window)
 , mWorldView(window.getDefaultView())
@@ -20,8 +23,8 @@ World::World(sf::RenderWindow& window)
 , mPlayerAircraft(nullptr)
 {
   loadTextures();
-  // buildScene();
-  // mWorldView.setCenter(mSpawnPosition);
+  buildScene();
+  mWorldView.setCenter(mSpawnPosition);
 }
 
 void World::loadTextures()
@@ -31,4 +34,39 @@ void World::loadTextures()
   mTextures.load(Textures::Desert, PATH_TO_DESERT_TEXTURE);
 }
 
+void World::buildScene()
+{
+  for (std::size_t i = 0; i < LayerCount; i++) // initialization of scene layers, iterate through array of layer node pointers
+  {
+    SceneNode::ScenePointer layer(new SceneNode());
+    mSceneLayers[i] = layer.get(); // initialize elments of this arry
+
+    mSceneGraph.attachChild(std::move(layer)); // attach new node to the scene graph's root node
+  }
+
+  sf::Texture& texture = mTextures.get(Textures::Desert);
+  sf::IntRect textureRect(mWorldBounds);
+  texture.setRepeated(true); // make desert texture repeat itself
+
+  std::unique_ptr<SpriteNode> backgroundSprite(new SpriteNode(texture, textureRect)); // SpriteNode class that links to the desrt texture, our sprite will be as big as the whole world because we passed the texture rectangle
+  backgroundSprite -> setPosition(mWorldBounds.left, mWorldBounds.top);
+  mSceneLayers[Background] -> attachChild(std::move(backgroundSprite));
+
+  // Adding airplanes
+  std::unique_ptr<Aircraft> leader(new Aircraft(Aircraft::Eagle, mTextures)); // we create the player's airplane
+  mPlayerAircraft = leader.get();
+  mPlayerAircraft -> setPosition(mSpawnPosition); // Set player position
+  mPlayerAircraft -> setVelocity(PLAYER_SIDEWARD_VELOCITY, mScrollSpeed); // forward velocity equals scroll speed, sideward velocity equals PLAYER_SIDEWARD_VELOCITY
+  mSceneLayers[Air] -> attachChild(std::move(leader)); // we attach the plane to the Air scene layer
+
+  std::unique_ptr<Aircraft> leftEscort(new Aircraft(Aircraft::Raptor, mTextures)); // create new airplane
+  leftEscort -> setPosition(LEFT_ESCORT_X_POSITION, LEFT_ESCORT_Y_POSITION); // Set new airplane position
+  mPlayerAircraft -> attachChild(std::move(leftEscort)); // leftEscort is now a child of player aircraft and it will folow it!
+
+  std::unique_ptr<Aircraft> rightEscort(new Aircraft(Aircraft::Raptor, mTextures)); // create new airplane
+  rightEscort -> setPosition(RIGHT_ESCORT_X_POSITION, RIGHT_ESCORT_Y_POSITION); // Set new airplane position
+  mPlayerAircraft -> attachChild(std::move(rightEscort)); // leftEscort is now a child of player aircraft and it will folow it!
+
+
+  }
 #endif // WORLD_CPP

SFMLEngine/makingAGameTick/Classes/SceneNodeDerrivatives/SpriteNode.cpp

@@ -1,5 +1,19 @@
 #ifndef SPRITE_NODE_CPP
 #define SPRITE_NODE_CPP
 
+SpriteNode::SpriteNode(const sf::Texture& texture)
+: mSprite(texture)
+{
+}
+
+SpriteNode::SpriteNode(const sf::Texture& texture, const sf::IntRect& textureRect)
+: mSprite(texture, textureRect)
+{
+}
+
+void SpriteNode::drawCurrent(sf::RenderTarget& target, sf::RenderStates states) const
+{
+	target.draw(mSprite, states);
+}
 
 #endif // SPRITE_NODE_CPP

SFMLEngine/makingAGameTick/constants.hpp

@@ -7,16 +7,24 @@
 const std::string PATH_TO_PLAYER_TEXTURE = "Textures/Player.png";
 const std::string PATH_TO_EAGLE_TEXTURE = "Textures/Eagle.png";
 const std::string PATH_TO_RAPTOR_TEXTURE = "Textures/Raptor.png";
-const std::string PATH_TO_DESERT_TEXTURE = "Textures/Desert.png";
+const std::string PATH_TO_DESERT_TEXTURE = "Textures/Desert.jpg";
 
 // Player constants
 const float PLAYER_RADIUS = 40;
 const float PLAYER_X_POSITION = 100;
 const float PLAYER_Y_POSITION = 100;
 const sf::Color PLAYER_COLOR = sf::Color::Cyan;
+const float PLAYER_SIDEWARD_VELOCITY = 40;
+
+// Other sprites constants
+const float LEFT_ESCORT_X_POSITION = -80;
+const float LEFT_ESCORT_Y_POSITION = 50;
+const float RIGHT_ESCORT_X_POSITION = -LEFT_ESCORT_X_POSITION;
+const float RIGHT_ESCORT_Y_POSITION = LEFT_ESCORT_Y_POSITION;
 
 // Movement constants
 // const sf::Vector2f INITIAL_MOVEMENT (0.f, 0.f);
+
 const float MOVING_UP_SPEED = -100;
 const float MOVING_DOWN_SPEED = -MOVING_UP_SPEED;
 const float MOVING_RIGHT_SPEED = 100;

SFMLEngine/makingAGameTick/game.cpp

@@ -132,8 +132,15 @@ void Game::render()
 
 int main()
 {
-  Game game;
-  game.run();
+  try
+  {
+    Game game;
+    game.run();
+  }
+  catch (std::exception& e)
+  {
+    std::cout << "\nEXCEPTION: " << e.what() << std::endl;
+  }
 }
 
 #endif // GAME_CPP