generated from freudenreichan/info2Praktikum-Wortsalat
update todo.md with comprehensive implementation tasks and testing guidelines for the Word Salad Game
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todo.md
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todo.md
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## Todo
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# Word Salad Game - Comprehensive TODO List
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#### game.c
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_Vorgegebene Anweisung:_
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## Project Overview
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Wörter aus der Wortliste zufällig horizontal oder vertikal plazieren, restliche Felder mit zufälligen Buchstaben füllen
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A word search puzzle game where words are randomly placed in a grid (horizontally or vertically), and players must find them by drawing lines over the letters. Built with C and Raylib graphics library.
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#### input.c
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_Vorgegebene Anweisung:_
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---
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eine Funktion implementierenm die ein einzelnes Wort aus einer Textdatei (words.txt) einliest und als C-String zurückgibt
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#### main.c
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## 📋 Core Implementation Tasks
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_Vorgegebene Anweisung:_
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Check if all words were successfully placed
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### 🔴 CRITICAL - Must be implemented for basic functionality
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start the game if successfull
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error message if some words couldn't be placed
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#### 1. **input.c - Word Reading Function** ⚠️ HIGH PRIORITY
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**Function:** `readWords()`
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**Requirements:**
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- [ ] Read words from file (`words.txt`) line by line
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- [ ] Handle multiple delimiters: comma (`,`), semicolon (`;`), space (` `), newline (`\n`)
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- [ ] Convert all words to uppercase for consistency
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- [ ] Store words in the provided `words[][]` array
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- [ ] Return the total count of words read
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- [ ] Handle empty files gracefully (return 0)
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- [ ] Validate max word count limit (`maxWordCount`)
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- [ ] Trim whitespace from words
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- [ ] Skip empty words/lines
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**Implementation Notes:**
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- Use `fgets()` to read lines (max `MAX_LINE_LEN`)
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- Use `strtok()` for tokenizing with multiple delimiters: `", ;\n\t\r"`
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- Use `toupper()` to convert characters to uppercase
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- Use `isalpha()` to validate word characters
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- Handle buffer overflow protection
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**Test Coverage:**
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- `test_readWords_simple()` - Basic newline-separated words
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- `test_readWords_with_delimiters()` - Multiple delimiter types
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- `test_readWords_empty_file()` - Empty file handling
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---
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#### 2. **game.c - Word Salad Creation** ⚠️ HIGH PRIORITY
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**Function:** `createWordSalad()`
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**Requirements:**
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- [ ] Initialize the grid with `EMPTY_CHAR` (0)
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- [ ] Seed random number generator with `srand(time(NULL))`
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- [ ] For each word, attempt placement:
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- [ ] Try random positions and orientations (horizontal/vertical)
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- [ ] Max attempts: `MAX_RAND_TRIES_PER_WORD` (10)
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- [ ] Check if word fits without overlapping incorrectly
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- [ ] Place word character by character
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- [ ] Fill remaining empty cells with random uppercase letters (A-Z)
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- [ ] Return count of successfully placed words
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**Placement Algorithm:**
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1. Random orientation: 0 = horizontal, 1 = vertical
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2. Random starting position within valid bounds
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3. Check if entire word fits
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4. Check for conflicts (can overwrite same letter, not different letters)
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5. Place word if valid
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6. Increment placed counter
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**Edge Cases:**
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- Words too long for grid size
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- Grid too small for multiple words
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- All positions occupied
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**Test Coverage:**
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- `test_createWordSalad_all_fit()` - All words fit in large grid
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- `test_createWordSalad_too_small()` - Grid too small for some words
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- `test_createWordSalad_allWordsPlaced()` - Verify words are actually in grid
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---
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#### 3. **game.c - Display Function** 🟡 MEDIUM PRIORITY
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**Function:** `showWordSalad()`
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**Requirements:**
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- [ ] Print grid to console in readable format
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- [ ] Add spacing between characters for clarity
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- [ ] Optional: Add row/column numbers for debugging
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- [ ] Format: Each row on separate line
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**Example Output:**
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```
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0 1 2 3 4
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0 Y E T I X
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1 N A B C D
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2 M O N S T E R
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3 O G H I J
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```
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---
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#### 4. **main.c - Game Validation & Launch** ⚠️ HIGH PRIORITY
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**Requirements:**
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- [ ] Compare `placedWords` with `wordCount`
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- [ ] If all words placed successfully:
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- [ ] Call `startGame()` with word salad and parameters
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- [ ] Pass `SALAD_SIZE` as search field size
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- [ ] Use appropriate window size (e.g., 800)
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- [ ] If some words couldn't be placed:
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- [ ] Print error message to stderr
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- [ ] Indicate how many words failed
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- [ ] Set `exitCode = EXIT_FAILURE`
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- [ ] Don't start the game
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**Implementation:**
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```c
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// TODO: Complete this section
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if (placedWords == wordCount) {
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// All words successfully placed - start the game
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showWordSalad(wordSalad, SALAD_SIZE); // Optional: show in console
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startGame(wordSalad, SALAD_SIZE, words, wordCount, 800);
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} else {
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// Error: Not all words could be placed
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fprintf(stderr, "Error: Only %u out of %u words could be placed in the grid.\n",
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placedWords, wordCount);
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exitCode = EXIT_FAILURE;
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}
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```
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---
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## 🧪 Testing & Validation
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### Unit Tests
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- [ ] Run all unit tests: `./unit_tests` or `make test`
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- [ ] Ensure all 6 tests pass:
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- [ ] `test_readWords_simple`
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- [ ] `test_readWords_with_delimiters`
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- [ ] `test_readWords_empty_file`
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- [ ] `test_createWordSalad_all_fit`
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- [ ] `test_createWordSalad_too_small`
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- [ ] `test_createWordSalad_allWordsPlaced`
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### Integration Testing
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- [ ] Test with provided `words.txt` file
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- [ ] Test with custom word lists
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- [ ] Test with edge cases:
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- [ ] Empty file
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- [ ] Single word
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- [ ] Very long words
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- [ ] Maximum word count
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- [ ] Special characters/numbers (should be filtered)
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---
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## 🔧 Build & Compilation
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### Prerequisites
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- [ ] GCC compiler installed
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- [ ] Make utility available
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- [ ] Raylib library (already included in project)
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- [ ] Unity test framework (already included)
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### Build Commands
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```bash
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# Build main executable
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make
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# Build and run unit tests
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make test
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# Clean build artifacts
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make clean
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```
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### Platform-Specific Notes
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- **Windows:** Use `Start_Windows/` directory
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- **Linux:** Use `Start_Linux/` directory
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- **macOS:** Use `Start_Mac/` directory
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---
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## 📦 Additional Enhancements (Optional)
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### Nice-to-Have Features
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- [ ] Add diagonal word placement
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- [ ] Add backward word placement (reverse strings)
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- [ ] Difficulty levels (grid size, word count)
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- [ ] Save/load game state
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- [ ] High score tracking
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- [ ] Time-based gameplay
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- [ ] Hint system
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- [ ] Multiple language support
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### Code Quality
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- [ ] Add comprehensive comments
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- [ ] Follow consistent naming conventions
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- [ ] Memory leak detection with Valgrind
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- [ ] Static analysis with cppcheck
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- [ ] Code formatting with clang-format
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### Documentation
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- [ ] Update README.md with:
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- [ ] Build instructions
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- [ ] How to play
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- [ ] Screenshots
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- [ ] System requirements
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- [ ] Add inline code documentation
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- [ ] Create developer guide
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---
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## 🐛 Known Issues & Debugging
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### Common Problems
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- [ ] **Segmentation fault:** Check array bounds, null pointers
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- [ ] **Words not found:** Ensure uppercase conversion in both placement and search
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- [ ] **Random seed:** Call `srand(time(NULL))` only once
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- [ ] **File not found:** Check relative paths, working directory
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### Debugging Tips
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- Use `printf()` to trace execution
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- Test functions individually
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- Use debugger (gdb/lldb) for complex issues
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- Enable compiler warnings: `-Wall -Wextra`
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---
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## ✅ Definition of Done
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A task is considered complete when:
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- [ ] Code compiles without warnings
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- [ ] All relevant unit tests pass
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- [ ] Function meets specification requirements
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- [ ] Edge cases are handled
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- [ ] Code is properly commented
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- [ ] No memory leaks (verified with Valgrind on Linux/Mac)
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- [ ] Integrated and tested with other components
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---
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## 📅 Suggested Implementation Order
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1. ✅ **Week 1:** Implement `readWords()` in `input.c`
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- Start with simple parsing
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- Add delimiter handling
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- Test with unit tests
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2. ✅ **Week 2:** Implement `createWordSalad()` in `game.c`
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- Grid initialization
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- Word placement algorithm
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- Random fill
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- Test with unit tests
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3. ✅ **Week 3:** Implement `showWordSalad()` and complete `main.c`
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- Console display
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- Game validation logic
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- Integration testing
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4. ✅ **Week 4:** Testing, debugging, and polish
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- Fix all unit test failures
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- Test with various word lists
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- Optimize performance
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- Code cleanup
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---
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## 📝 Notes
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- The graphical interface (`graphicalGame.c`) is already implemented
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- Raylib library handles all graphics rendering
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- Focus on the core game logic implementation
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- Test frequently to catch bugs early
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- Use the provided Unity test framework
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---
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**Last Updated:** November 5, 2025
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**Project:** Word Salad Game (Wortsalat)
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**Course:** Informatik 2 - Programmierung (3. Semester)
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