Grid Update

Grid System
Rotation and Updateing Cells
Game Manager Base

Cell.hpp

@@ -0,0 +1,65 @@
+#include "SynEngine.hpp"
+
+class Cell : public Drawable
+{
+    private:
+        unsigned int spriteIndex;
+        sf::Vector2f position;
+        sf::Sprite sprite;
+
+        bool CreateSprite();
+    public:
+        Cell();
+        Cell(unsigned int, unsigned int, unsigned int = 1);
+        void Set(unsigned int, unsigned int, unsigned int = 1);
+        void UpdateSprite(unsigned int);
+        void UpdateRotation(unsigned);
+        void Draw(sf::RenderWindow *);
+        ~Cell();
+};
+
+Cell::Cell()
+{
+    spriteIndex = 0;
+    position = sf::Vector2f(0, 0);
+}
+
+Cell::Cell(unsigned int x, unsigned int y, unsigned int index)
+{
+    Set(x, y, index);
+}
+
+void Cell::Set(unsigned int x, unsigned int y, unsigned int index)
+{
+    spriteIndex = index;
+    position = sf::Vector2f(x, y);
+    CreateSprite();
+}
+
+bool Cell::CreateSprite()
+{
+    GameConfiguration *config = GameManager::GetConfig();
+    if(!config) return false;
+    sprite = config -> GetSprite(spriteIndex, position);
+    return true;
+}
+
+void Cell::UpdateSprite(unsigned int index)
+{
+    if(index == spriteIndex) return;
+    sprite.setTextureRect(GameManager::GetConfig() -> GetSpriteRect(index));
+}
+
+void Cell::UpdateRotation(unsigned direction)
+{
+    sprite.setRotation(direction * 90.0);
+}
+
+void Cell::Draw(sf::RenderWindow *window)
+{
+    window -> draw(sprite);
+}
+
+Cell::~Cell()
+{
+}

Drawable.hpp

@@ -0,0 +1,7 @@
+#include "SynEngine.hpp"
+
+class Drawable
+{
+    public:
+        virtual void Draw(sf::RenderWindow *) = 0;
+};

GameConfiguration.hpp

@@ -4,7 +4,6 @@ class GameConfiguration
 {
     private:
         sf::Vector2i windowDimensions;
-        sf::Vector2f canvasSizeMultiplierRatio;
         sf::Color backgroundColor;
         sf::Texture spriteSheet;
         std::string spriteSheetPath;
@@ -22,7 +21,7 @@ class GameConfiguration
         void LoadDefaultValues();
         void LoadValuesFromFile(std::string);
         void WriteValuesToFile(std::string);
-        void CalculateSprites();
+        void CalculateCommonValues();
         std::istringstream GetNextNonCommentLine(std::istream &);
         bool LoadSpriteSheet(std::string);
         bool IsFileExists(std::string);
@@ -35,6 +34,8 @@ class GameConfiguration
         sf::Vector2i GetScreenDimensions();
         sf::Vector2i GetGridSize();
         sf::Vector2i GetGridOffset();
+        sf::Vector2i GetSpriteCellSize();
+        sf::IntRect GetSpriteRect(unsigned int);
         sf::Sprite GetSprite(unsigned int, sf::Vector2f = sf::Vector2f(0, 0), float = 0.0);
         ~GameConfiguration();
 };
@@ -42,7 +43,7 @@ class GameConfiguration
 GameConfiguration::GameConfiguration()
 {
     LoadDefaultValues();
-    CalculateSprites();
+    CalculateCommonValues();
 }
 
 GameConfiguration::GameConfiguration(std::string configurationPath)
@@ -58,10 +59,10 @@ GameConfiguration::GameConfiguration(std::string configurationPath)
     else
         LoadDefaultValues();
 
-    CalculateSprites();
+    CalculateCommonValues();
 }
 
-void GameConfiguration::CalculateSprites()
+void GameConfiguration::CalculateCommonValues()
 {
     float offset;
     sf::Vector2i gridDimensions = sf::Vector2i
@@ -69,29 +70,33 @@ void GameConfiguration::CalculateSprites()
         gridSize.x * spriteSheetCellSize.x,
         gridSize.y * spriteSheetCellSize.y
     );
-
-    canvasSizeMultiplierRatio = sf::Vector2f
+    sf::Vector2f canvasSizeMultiplierRatio = sf::Vector2f
     (
         (float)windowDimensions.x / (float)gridDimensions.x, 
         (float)windowDimensions.y / (float)gridDimensions.y
     );
 
-    spriteSheetRect = sf::IntRect(sf::Vector2i(0, 0), spriteSheetCellSize);
-    
     if(canvasSizeMultiplierRatio.x < canvasSizeMultiplierRatio.y)
     {
         spriteSizeMultiplier = canvasSizeMultiplierRatio.x;
         offset = gridDimensions.y * spriteSizeMultiplier - windowDimensions.y;
         if(offset < 0) offset = -offset;
-        gridOffset = sf::Vector2i(0, offset / 2);
+        offset /= 2;
+        gridOffset = sf::Vector2i(0, offset);
     }
     else
     {
         spriteSizeMultiplier = canvasSizeMultiplierRatio.y;
         offset = gridDimensions.x * spriteSizeMultiplier - windowDimensions.x;
         if(offset < 0) offset = -offset;
-        gridOffset = sf::Vector2i(offset / 2, 0);
+        offset /= 2;
+        gridOffset = sf::Vector2i(offset, 0);
     }
+    // Center Origin Offset
+    gridOffset.x += spriteSheetCellSize.x / 2;
+    gridOffset.y += spriteSheetCellSize.y / 2;
+
+    spriteSheetRect = sf::IntRect(sf::Vector2i(0, 0), spriteSheetCellSize);
 }
 
 void GameConfiguration::NormalizeVector2f(sf::Vector2f &vector)
@@ -130,8 +135,8 @@ void GameConfiguration::LoadValuesFromFile(std::string path)
     GetNextNonCommentLine(stream) >> bgColor[0] >> coma >> bgColor[1] >> coma >> bgColor[2];
 
     Clamp(audioVolume);
-    Clamp(gridSize.x, 10, 100);
-    Clamp(gridSize.y, 10, 100);
+    Clamp(gridSize.x, 5, 100);
+    Clamp(gridSize.y, 5, 100);
     backgroundColor.r = Clamp(bgColor[0], 0, 255);
     backgroundColor.g = Clamp(bgColor[1], 0, 255);
     backgroundColor.b = Clamp(bgColor[2], 0, 255);
@@ -186,7 +191,6 @@ void GameConfiguration::LoadDefaultValues()
 {
     windowDimensions = sf::Vector2i(800, 600);
     // !! Placeholder values! Change after real sprites are added! !!
-    canvasSizeMultiplierRatio = sf::Vector2f(0.0, 1.0f);
     spriteSizeMultiplier = 1.0;
     
     backgroundColor = sf::Color::White;
@@ -208,20 +212,26 @@ bool GameConfiguration::LoadSpriteSheet(std::string path)
 }
 
 sf::Sprite GameConfiguration::GetSprite(unsigned int index, sf::Vector2f position, float rotation)
+{
+    sf::Sprite sprite;
+    
+    sprite.setTexture(spriteSheet);
+    sprite.setTextureRect(GetSpriteRect(index));
+    sprite.setPosition(position);
+    sprite.setRotation(rotation);
+    sprite.setOrigin(spriteSheetCellSize.x / 2, spriteSheetCellSize.y / 2);
+    sprite.setScale(spriteSizeMultiplier, spriteSizeMultiplier);
+    return sprite;
+}
+
+sf::IntRect GameConfiguration::GetSpriteRect(unsigned int index)
 {
     int offset = spriteSheetRect.width * index;
     int xSize = spriteSheet.getSize().x;
-    sf::Sprite sprite;
 
     spriteSheetRect.left = offset % xSize;
     spriteSheetRect.top  = offset / xSize * spriteSheetCellSize.y;
-    
-    sprite.setTexture(spriteSheet);
-    sprite.setTextureRect(spriteSheetRect);
-    sprite.setPosition(position);
-    sprite.setRotation(rotation);
-    sprite.setScale(spriteSizeMultiplier, spriteSizeMultiplier);
-    return sprite;
+    return spriteSheetRect;
 }
 
 sf::Vector2i GameConfiguration::GetGridSize()
@@ -234,6 +244,11 @@ sf::Vector2i GameConfiguration::GetGridOffset()
     return gridOffset;
 }
 
+sf::Vector2i GameConfiguration::GetSpriteCellSize()
+{
+    return spriteSheetCellSize;
+}
+
 sf::Vector2i GameConfiguration::GetScreenDimensions()
 {
     return windowDimensions;

GameManager.hpp

@@ -0,0 +1,25 @@
+#include "SynEngine.hpp"
+class GameConfiguration;
+
+class GameManager
+{
+    private:
+        static GameConfiguration *config;
+
+    public:
+        static void SetConfig(GameConfiguration &);
+        static GameConfiguration *GetConfig();
+};
+
+GameConfiguration *GameManager::config = NULL;
+
+void GameManager::SetConfig(GameConfiguration &config)
+{
+    GameManager::config = &config;
+}
+
+
+GameConfiguration *GameManager::GetConfig()
+{
+    return GameManager::config;
+}

Grid.hpp

@@ -1,36 +1,87 @@
 #include "SynEngine.hpp"
 
-class Grid
+class Grid : public Drawable
 {
     private:
         sf::Vector2i offset;
         sf::Vector2i gridSize;
-        GameConfiguration *config;
+        Cell *cellArray;
+        unsigned int cellCount;
 
+        Cell *CreateCellArray(sf::Vector2i);
     public:
         Grid();
-        bool SetGrid(GameConfiguration &);
+        bool SetGrid();
+        void UpdateCell(unsigned int, unsigned int, unsigned int, int = -1);
+        void Draw(sf::RenderWindow *);
         ~Grid();
 };
 
 Grid::Grid()
 {
-    config = NULL;
+    cellArray = NULL;
 }
 
-bool Grid::SetGrid(GameConfiguration &config)
+Cell *Grid::CreateCellArray(sf::Vector2i)
 {
-    this -> config = &config;
+    cellCount = gridSize.x *gridSize.y;
+    Cell *array = new Cell[cellCount];
 
-    if(!this -> config) return false;
+    if(!array) return NULL;
 
-    sf::Vector2i screenDimensions = config.GetScreenDimensions();
-    gridSize = config.GetGridSize();
-    offset = config.GetGridOffset();
+    GameConfiguration *config = GameManager::GetConfig();
+
+    sf::Vector2i cellSize = config -> GetSpriteCellSize();
+    float sizeMultiplier = config -> GetSpriteSizeMultiplier();
+    int xPos;
+    int yPos;
+    int i;
+
+    for (i = 0; i < cellCount; i++)
+    {
+        xPos = (i % gridSize.x) * cellSize.x * sizeMultiplier + offset.x;
+        yPos = (i / gridSize.x) * cellSize.y * sizeMultiplier + offset.y;
+
+        (array + i) -> Set(xPos, yPos);
+    }
+    
+    return array;
+}
+
+bool Grid::SetGrid()
+{
+    GameConfiguration *config = GameManager::GetConfig();
+
+    if(!config) return false;
+
+    sf::Vector2i screenDimensions = config -> GetScreenDimensions();
+    gridSize = config -> GetGridSize();
+    offset = config -> GetGridOffset();
+
+    cellArray = CreateCellArray(gridSize);
 
     return true;
 }
 
+void Grid::UpdateCell(unsigned int x, unsigned int y, unsigned int spriteIndex, int direction)
+{
+    int index = x + gridSize.x * y;
+    Cell *cell = cellArray + index;
+
+    cell -> UpdateSprite(spriteIndex);
+    if(direction >= 0)
+       cell -> UpdateRotation(direction);
+}
+
+
+void Grid::Draw(sf::RenderWindow *window)
+{
+    int i;
+    for (i = 0; i < cellCount; i++)
+        (cellArray + i) -> Draw(window);
+}
+
 Grid::~Grid()
 {
+    delete[] cellArray;
 }

SynEngine.hpp

@@ -5,7 +5,10 @@
     #include <fstream>
     #include <cmath>
     #include <SFML/Graphics.hpp>
+    #include "GameManager.hpp"
     #include "GameConfiguration.hpp"
+    #include "Drawable.hpp"
+    #include "Cell.hpp"
     #include "Grid.hpp"
     #include "GameWindow.hpp"
 #endif

main.cpp

@@ -3,20 +3,18 @@
 int main(int argc, char const *argv[])
 {
     GameConfiguration config = GameConfiguration("Configurations");
+    GameManager::SetConfig(config);
     Grid grid = Grid();
-    grid.SetGrid(config);
+    grid.SetGrid();
 
     sf::RenderWindow render(sf::VideoMode(800, 600), "Test");
 
     if (render.isOpen()) // Quick Test
     {
-        float multiplier = config.GetSpriteSizeMultiplier();
-        int count = config.GetGridSize().x * config.GetGridSize().y;
-        sf::Vector2i offset = config.GetGridOffset();
-
         render.clear(config.GetBackgroundColor());
-        for (int i = 0; i < count; i++) 
-            render.draw(config.GetSprite(i % 6, sf::Vector2f(i % config.GetGridSize().x * 50 * multiplier + offset.x, i / config.GetGridSize().x * 50 * multiplier + offset.y)));
+        grid.UpdateCell(0, 0, 2);
+        grid.UpdateCell(0, 1, 2, 1);
+        grid.Draw(&render);
         render.display();
         sf::sleep(sf::milliseconds(5000));
     }