rainbow

app/src/main/java/gui/ColorGenerator.java

@@ -0,0 +1,70 @@
+package gui;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ColorGenerator {
+
+	public static class Color {
+		public float r, g, b;
+
+		public Color(float r, float g, float b) {
+			this.r = r;
+			this.g = g;
+			this.b = b;
+		}
+
+	}
+
+	public static List<Color> greatPalette(int colorCount) {
+		List<Color> colors = greatScheme(colorCount);
+		List<Color> newOrder = new ArrayList<>();
+		int newIndex = 0;
+		while (!colors.isEmpty()) {
+			int randomIndex = newIndex % colors.size();
+			newOrder.add(colors.get(randomIndex));
+			colors.remove(randomIndex);
+			newIndex += Math.sqrt(colorCount) + 1;
+		}
+		return newOrder;
+	}
+
+	public static List<Color> greatScheme(int colorCount) {
+		List<Color> colors = new ArrayList<>();
+		for (int i = 0; i < colorCount; i++) {
+			colors.add(hslToRgb((float) (i) / (float) colorCount, 0.9f, 0.4f));
+		}
+		return colors;
+	}
+
+	public static Color hslToRgb(float h, float s, float l){
+		float r, g, b;
+	
+		if (s == 0f) {
+			r = g = b = l; // achromatic
+		} else {
+			float q = l < 0.5f ? l * (1 + s) : l + s - l * s;
+			float p = 2 * l - q;
+			r = hueToRgb(p, q, h + 1f/3f);
+			g = hueToRgb(p, q, h);
+			b = hueToRgb(p, q, h - 1f/3f);
+		}
+		return new Color(r, g, b);
+	}
+
+	/** Helper method that converts hue to rgb */
+	public static float hueToRgb(float p, float q, float t) {
+		if (t < 0f)
+			t += 1f;
+		if (t > 1f)
+			t -= 1f;
+		if (t < 1f / 6f)
+			return p + (q - p) * 6f * t;
+		if (t < 1f / 2f)
+			return q;
+		if (t < 2f / 3f)
+			return p + (q - p) * (2f / 3f - t) * 6f;
+		return p;
+	}
+
+}

app/src/main/java/gui/Main.java

@@ -1,46 +1,91 @@
 package gui;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
 import java.util.Random;
 
+import gui.ColorGenerator.Color;
 import imgui.ImGui;
 import imgui.ImVec2;
+import imgui.ImVec4;
 import imgui.app.Application;
 import imgui.app.Configuration;
+import imgui.flag.ImGuiCol;
+import sudoku.Block;
+import sudoku.Cell;
+import sudoku.MultiDoku;
+import sudoku.Sudoku;
+import sudoku.SudokuFactory;
 
 public class Main extends Application {
 
     // temp thing
-    private static int[] values = new int[9 * 9];
+    private Sudoku sudoku;
+    private int currentIndex = -1;
+    private Map<Block, Color> colorPalette = new HashMap<>();
+    private static final int SUDOKU_SIZE = 5;
 
     @Override
     protected void configure(Configuration config) {
         config.setTitle("Let's play sudoku!");
     }
 
+    private void initColors() {
+        List<Color> colors = ColorGenerator.greatPalette(sudoku.getSize());
+        int index = 0;
+        for (Block block : sudoku.getBlocks()) {
+            colorPalette.put(block, colors.get(index));
+            index++;
+        }
+    }
+
     @Override
     protected void initImGui(Configuration config) {
         super.initImGui(config);
         ImGui.getIO().getFonts().addFontFromFileTTF("comic.ttf", 50.0f);
-        Random r = new Random();
-        for (int i = 0; i < 9 * 9; i++) {
-            values[i] = r.nextInt(9) + 1;
+        MultiDoku doku = SudokuFactory.createBasicEmptySquareSudoku(SUDOKU_SIZE);
+        sudoku = doku.getSubGrid(0);
+        initColors();
+    }
+
+    private void renderPopup() {
+        if (ImGui.beginPopup("editPopup")) {
+            for (int i = 1; i < sudoku.getSize() + 1; i++) {
+                if(i % (int) (Math.sqrt(sudoku.getSize())) != 1)
+                    ImGui.sameLine();
+                if(ImGui.button(Integer.toString(i), new ImVec2(50, 50))){
+                    this.sudoku.setCellSymbol(currentIndex % sudoku.getSize(), currentIndex / sudoku.getSize(), i - 1);
+                    ImGui.closeCurrentPopup();
+                }
+            }
+            ImGui.endPopup();
         }
     }
 
     @Override
     public void process() {
         ImGui.begin("Sudoku Window");
-        for (int y = 0; y < 9; y++) {
-            for (int x = 0; x < 9; x++) {
+        for (int y = 0; y < sudoku.getSize(); y++) {
+            for (int x = 0; x < sudoku.getSize(); x++) {
                 if (x > 0)
                     ImGui.sameLine();
-                ImGui.pushID(y * 9 + x);
-                ImGui.selectable(Integer.toString(values[y * 9 + x]), false, 0, new ImVec2(50, 50));
-                ImGui.popID();
+                int index = y * sudoku.getSize() + x;
+                Cell cell = sudoku.getCell(x, y);
+                int symbol = cell.getSymbolIndex();
+                Color blockColor = colorPalette.get(cell.getBlock());
+                ImGui.pushStyleColor(ImGuiCol.Header, new ImVec4(blockColor.r, blockColor.g, blockColor.b, 1.0f));
+                if (ImGui.selectable(Integer.toString(symbol + 1) + "##" + index, true, 0, new ImVec2(50, 50))) {
+                    ImGui.openPopup("editPopup");
+                    currentIndex = index;
+                }
+                ImGui.popStyleColor();
             }
         }
+        renderPopup();
         ImGui.end();
-        // ImGui.showDemoWindow();
+        ImGui.showDemoWindow();
     }
 
     public static void main(String[] args) {

app/src/main/java/sudoku/Main.java

@@ -3,15 +3,9 @@
  */
 package sudoku;
 
-import sudoku.constraint.BlockConstraint;
-import sudoku.constraint.ColumnConstraint;
-import sudoku.constraint.IConstraint;
-import sudoku.constraint.LineConstraint;
-import sudoku.io.SudokuPrinter;
-import sudoku.io.SudokuSerializer;
-import sudoku.solver.Solver;
+import java.util.Arrays;
 
-import java.util.ArrayList;
+import sudoku.io.SudokuPrinter;
 
 public class Main {
     public String getGreeting() {
@@ -20,41 +14,20 @@ public class Main {
 
     public static void main(String[] args) {
         System.out.println(new Main().getGreeting());
+
         int blockWidth = 2;
         int blockHeight = 2;
         var multidoku = SudokuFactory.createBasicEmptyRectangleSudoku(blockWidth, blockHeight);
         var sudoku = multidoku.getSubGrid(0);
-        //SudokuPrinter.printRectangleSudoku(sudoku, blockWidth , blockHeight);
-        //Line 1:
-        ((MutableCell)sudoku.getCell(0)).setSymbolIndex(0);
-        ((MutableCell)sudoku.getCell(1)).setSymbolIndex(1);
-        ((MutableCell)sudoku.getCell(2)).setSymbolIndex(2);
-        ((MutableCell)sudoku.getCell(3)).setSymbolIndex(3);
-        //Line 2:
-        ((MutableCell)sudoku.getCell(4)).setSymbolIndex(2);
-        ((MutableCell)sudoku.getCell(5)).setSymbolIndex(3);
-        ((MutableCell)sudoku.getCell(6)).setSymbolIndex(0);
-        ((MutableCell)sudoku.getCell(7)).setSymbolIndex(1);
-        //Line 3:
-        ((MutableCell)sudoku.getCell(8)).setSymbolIndex(1);
-        ((MutableCell)sudoku.getCell(9)).setSymbolIndex(0);
-        ((MutableCell)sudoku.getCell(10)).setSymbolIndex(3);
-        ((MutableCell)sudoku.getCell(11)).setSymbolIndex(2);
-        // Line 4
-        ((MutableCell)sudoku.getCell(12)).setSymbolIndex(3);
-        ((MutableCell)sudoku.getCell(13)).setSymbolIndex(2);
-        ((MutableCell)sudoku.getCell(14)).setSymbolIndex(1);
-        ((MutableCell)sudoku.getCell(15)).setSymbolIndex(0);
+        if(!sudoku.setCellsSymbol(Arrays.asList(0,1,2,3, 2,3,1,1, 1,0,3,2, 3,2,1,1))){
+            System.out.println("At least one of those values does not respect the constraints.");
+        }
+
+
+        //sudoku.setCellSymbol(8,3,0);
 
         SudokuPrinter.printRectangleSudoku(multidoku.getSubGrid(0), blockWidth , blockHeight);
 
-        ArrayList<IConstraint> constraints = new ArrayList<>();
-        constraints.add(new LineConstraint());
-        constraints.add(new ColumnConstraint());
-        constraints.add(new BlockConstraint());
-
-        System.out.println(sudoku.isValid(constraints));
-
         /*
         Solver solver = new Solver();
         ArrayList<IConstraint> constraints = new ArrayList<>();

app/src/main/java/sudoku/MultiDoku.java

@@ -26,14 +26,6 @@ public class MultiDoku {
 		return subGrids.get(i);
 	}
 
-	public boolean isValid(List<IConstraint> constraints){
-		for (Sudoku sudoku : subGrids){
-			if (!sudoku.isValid(constraints))
-				return false;
-		}
-		return true;
-	}
-
 	public List<MutableCell> getMutableCells(){
 		List<MutableCell> mutableCells = new ArrayList<>();
 		for (Sudoku sudoku : subGrids){

app/src/main/java/sudoku/Sudoku.java

@@ -21,9 +21,52 @@ public class Sudoku {
 		this.constraints = constraints;
 	}
 
+	/**
+	 * @return wether the coords are in the sudoku
+	 */
+	public boolean isValidCoords(int x, int y) {
+		int index = y * getSize() + x;
+		return index < getSize() * getSize();
+	}
+
+	/**
+	 * Try to place a cell at the given coordinate
+	 *
+	 * @return false if it can't be done
+	 */
+	public boolean setCellSymbol(int x, int y, int value) {
+		assert (isValidCoords(x, y));
+		for (IConstraint constraint : this.constraints) {
+			if (!constraint.canBePlaced(this, x, y, value)) {
+				return false;
+			}
+		}
+		Cell cell = getCell(x, y);
+		if (cell instanceof MutableCell mCell) {
+			mCell.setSymbolIndex(value);
+			return true;
+		}
+		return false;
+	}
+
+	public boolean setCellsSymbol(List<Integer> values) {
+		if (values.size() > this.cells.size()) {
+			return false;
+		}
+		for (int i = 0; i < values.size(); i++) {
+			int x = i % this.blocks.size();
+			int y = (i - x) / this.blocks.size();
+			int value = values.get(i);
+			if (!this.setCellSymbol(x, y, value)) {
+				return false;
+			}
+		}
+		return true;
+	}
+
 	public Cell getCell(int x, int y) {
 		int index = y * getSize() + x;
-		assert(index < getSize() * getSize());
+		assert (isValidCoords(x, y));
 		return this.cells.get(index);
 	}
 
@@ -40,8 +83,8 @@ public class Sudoku {
 	}
 
 	public boolean isValid(List<IConstraint> constraints) {
-		//not implemented
-		//for eachcase check contraintes
+		// not implemented
+		// for eachcase check contraintes
 		return false;
 	}
 
@@ -56,7 +99,7 @@ public class Sudoku {
 	public List<MutableCell> getMutableCells() {
 		List<MutableCell> mutableCells = new ArrayList<>();
 		for (Cell cell : this.cells) {
-			if (cell instanceof MutableCell){
+			if (cell instanceof MutableCell) {
 				mutableCells.add((MutableCell) cell);
 			}
 		}
@@ -68,7 +111,7 @@ public class Sudoku {
 	}
 
 	private Coordinate getCoordinateCell(Cell c) throws Exception {
-		int x=0, y=0;
+		int x = 0, y = 0;
 		int size = this.getSize();
 
 		if (!this.contains(c)) {
@@ -76,15 +119,14 @@ public class Sudoku {
 		}
 
 		for (Cell cell : this.cells) {
-			if (cell == c){
+			if (cell == c) {
 				return new Coordinate(x, y);
 			}
-			if (x == size - 1){
-				y+=1;
-				x=0;
-			}
-			else {
-				x+=1;
+			if (x == size - 1) {
+				y += 1;
+				x = 0;
+			} else {
+				x += 1;
 			}
 		}
 		return new Coordinate(x, y);
@@ -105,14 +147,15 @@ public class Sudoku {
 
 				cell.setPossibleSymbols(newPossibleSymbols);
 
-				if (cell.getPossibleSymbols().isEmpty()){
+				if (cell.getPossibleSymbols().isEmpty()) {
 					throw new Exception("Rollback bitch");
 				}
 			}
 		}
 	}
 
-	public String toString () {
+	@Override
+	public String toString() {
 		StringBuilder sb = new StringBuilder();
 		sb.append("Sudoku {");
 		for (int i = 0; i < getSize(); i++) {

app/src/main/java/sudoku/solver/Solver.java

@@ -19,9 +19,6 @@ public class Solver {
     }
 
     public MultiDoku solve(MultiDoku doku, List<IConstraint> constraints) throws Exception {
-        if (!doku.isValid(constraints)) {
-            throw new Exception("Invalid doku");
-        }
         List<MutableCell> allMutableCells = doku.getMutableCells();
         List<MutableCell> remainingCellsToCheck = new ArrayList<>(allMutableCells);
         Random rand = new Random();

imgui.ini

@@ -0,0 +1,10 @@
+[Window][Debug##Default]
+Pos=60,60
+Size=400,400
+Collapsed=0
+
+[Window][Window]
+Pos=32,164
+Size=1096,529
+Collapsed=1
+