Merge pull request #11 from 956MB/fix/illegal-move

fix/illegal-move

Author: xtruan

.gitignore

@@ -50,3 +50,13 @@ modules.order
 Module.symvers
 Mkfile.old
 dkms.conf
+
+.DS_Store
+dist/*
+.vscode
+.nvim
+.clang-format
+.clangd
+.editorconfig
+.env
+.ufbt

views/flipchess_scene_1.c

@@ -228,13 +228,26 @@ uint8_t flipchess_turn(FlipChessScene1Model* model) {
             //     break;
 
             if(model->turnState == 0 && model->squareSelected != 255) {
-                model->squareFrom = model->squareSelected;
-                model->turnState = 1;
+                // Color check before allowing piece selection
+                char piece = model->game.board[model->squareSelected];
+                if(piece != '.' &&
+                SCL_pieceIsWhite(piece) == SCL_boardWhitesTurn(model->game.board)) {
+                    model->squareFrom = model->squareSelected;
+                    model->turnState = 1;
+                }
             } else if(model->turnState == 1 && model->squareSelected != 255) {
-                model->squareTo = model->squareSelected;
-                model->turnState = 2;
-                model->squareSelectedLast = model->squareSelected;
-                //model->squareSelected = 255;
+                // Validate before executing
+                if(SCL_boardMoveIsLegal(model->game.board,
+                                    model->squareFrom,
+                                    model->squareSelected)) {
+                    model->squareTo = model->squareSelected;
+                    model->turnState = 2;
+                    model->squareSelectedLast = model->squareSelected;
+                } else {
+                    // Invalid move, reset state
+                    model->turnState = 0;
+                    SCL_squareSetClear(model->moveHighlight);
+                }
             }
 
             if(model->turnState == 1 && model->squareFrom != 255) {