455 lines
16 KiB
C
455 lines
16 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include "graphicalGame.h"
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#include "raylib.h"
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#define MAX_MESSAGE_LEN 256
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#define MAX_SOLUTION_WORD_LEN 16
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typedef struct
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{
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Vector2 startPosition;
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Vector2 endPosition;
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int isSelected;
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} MouseSelection;
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typedef struct
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{
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Vector2 position;
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char character[2];
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int isMarked;
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} CharSquare;
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typedef struct
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{
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CharSquare *squares;
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unsigned int count;
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unsigned int squareSize;
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unsigned int fontSize;
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Vector2 position;
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Vector2 size;
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} CharSquarePanel;
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typedef struct
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{
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char content[MAX_WORD_LEN];
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char *solution;
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Vector2 position;
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int wasFound;
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} SearchWord;
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typedef struct
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{
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SearchWord *words;
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unsigned int count;
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int fontSize;
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Vector2 position;
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Vector2 size;
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} SearchWordPanel;
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typedef struct
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{
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char content[MAX_MESSAGE_LEN];
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Vector2 position;
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unsigned int size;
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} WinMessage;
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typedef struct
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{
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char text[MAX_MESSAGE_LEN];
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Vector2 position;
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Vector2 size;
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unsigned int fontSize;
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} HelperMessage;
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// Creates a helper message to guide the user
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static HelperMessage createHelperMessage(unsigned int screenWidth)
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{
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const char *text = "Please search below for the words located at the bottom \nand draw a line exactly on the desired characters ...";
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HelperMessage msg = {"", {0, 0}, {screenWidth, 0}, 18};
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// Copy text into msg, ensuring does not exceed max length
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strncpy(msg.text, text, MAX_MESSAGE_LEN);
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msg.text[MAX_MESSAGE_LEN-1] = '\0';
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// Set the vertical size based on font size
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msg.size.y = 3 * msg.fontSize;
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return msg;
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}
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// Creates a winning message when the user wins
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static WinMessage createWinMessage(unsigned int screenSize)
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{
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WinMessage winMsg;
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char *text = "Congratulations! You won!";
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strncpy(winMsg.content, text, MAX_MESSAGE_LEN);
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winMsg.content[MAX_MESSAGE_LEN-1] = '\0';
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winMsg.size = 30; // Set font size
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// Calculate x and y positions for centering the message
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winMsg.position.x = (screenSize - strlen(winMsg.content)*winMsg.size*0.52) / 2;
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winMsg.position.y = screenSize / 2;
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return winMsg;
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}
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// Frees memory associated with a search word panel
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static void freeSearchWordPanel(SearchWordPanel *panel)
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{
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for(int i = 0; panel->words != NULL && i < panel->count; i++)
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free(panel->words[i].solution); // Free solution strings
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free(panel->words); // Free word array
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panel->words = NULL;
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panel->count = 0;
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panel->size.x = 0;
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panel->size.y = 0;
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}
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// Creates a panel to display a list of search words
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static SearchWordPanel createSearchWordPanel(const char words[][MAX_WORD_LEN], unsigned int numberOfWords, unsigned int windowOffset)
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{
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const int maxStringLenInPx = 200; // Max width of each word
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const int fontSize = 18; // Font size for displaying words
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const int rowHeight = fontSize * 1.2 + 5; // Height of each row of words
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SearchWordPanel panel = {NULL, 0, fontSize, {0, windowOffset}, {windowOffset, 0}};
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unsigned int xOffset = 5;
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unsigned int yOffset = 15;
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// Allocate memory for words if any are present
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if(numberOfWords > 0)
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panel.words = (SearchWord *)malloc(sizeof(SearchWord) * numberOfWords);
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// If memory allocation is successful
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if(panel.words != NULL)
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{
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// Loop through and set up the words and their positions
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for(int i = 0; i < numberOfWords; i++)
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{
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strncpy(panel.words[i].content, words[i], MAX_SOLUTION_WORD_LEN);
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panel.words[i].content[MAX_SOLUTION_WORD_LEN-1] = '\0';
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// Truncate word if exceeds max length
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if(strlen(words[i]) > MAX_SOLUTION_WORD_LEN-1)
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strncpy(panel.words[i].content+MAX_SOLUTION_WORD_LEN-4, "...", 4);
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// Allocate memory for solution word
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panel.words[i].solution = (char *)malloc(sizeof(char) * (strlen(words[i]) + 1));
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if(panel.words[i].solution != NULL)
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strcpy(panel.words[i].solution, words[i]);
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else
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{
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freeSearchWordPanel(&panel); // Free memory in case of failure
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numberOfWords = 0;
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break;
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}
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panel.words[i].wasFound = 0; // Initialize "found" flag
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panel.words[i].position.x = xOffset;
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panel.words[i].position.y = yOffset;
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// Move to next position for next word
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xOffset += maxStringLenInPx + 5;
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// Move to next row if needed
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if(xOffset > windowOffset)
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{
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xOffset = 5;
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yOffset += rowHeight;
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}
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}
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panel.count = numberOfWords; // Sets total word count
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// Adjust panel size based on last word's position
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if(numberOfWords > 0)
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panel.size.y = panel.words[numberOfWords - 1].position.y + rowHeight;
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}
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return panel;
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}
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// Creates a square for a character in the search grid
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static CharSquare createSquare(unsigned int rowIdx, unsigned int colIdx, char character, unsigned int squareSize)
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{
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CharSquare square;
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square.position.x = colIdx * squareSize;
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square.position.y = rowIdx * squareSize;
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square.character[0] = character;
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square.character[1] = '\0';
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square.isMarked = 0; // Mark as unmarked initially
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return square;
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}
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// Creates a panel of character squares (the search grid)
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static CharSquarePanel createCharSquarePanel(const char wordSalad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldSizeInChars, int panelSizeInPx)
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{
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CharSquarePanel squarePanel;
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squarePanel.squares = (CharSquare *)malloc(sizeof(CharSquare) * searchFieldSizeInChars * searchFieldSizeInChars);
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squarePanel.count = 0;
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squarePanel.squareSize = (double)panelSizeInPx / searchFieldSizeInChars; // Calculate the square size
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squarePanel.fontSize = squarePanel.squareSize * 0.75; // Set font size relative to square size
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squarePanel.position.x = 0;
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squarePanel.position.y = 0;
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squarePanel.size.x = panelSizeInPx;
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squarePanel.size.y = panelSizeInPx;
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// If memory for squares is allocated successfully loop through grid and create squares for each character
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if(squarePanel.squares != NULL)
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{
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for(int i = 0; i < searchFieldSizeInChars; i++)
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{
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for(int j = 0; j < searchFieldSizeInChars; j++)
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{
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squarePanel.squares[squarePanel.count] = createSquare(i, j, wordSalad[i][j], squarePanel.squareSize);
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squarePanel.count++;
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}
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}
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}
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return squarePanel;
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}
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// Frees memory associated with CharSquarePanel
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static void freeCharSquarePanel(CharSquarePanel *squarePanel)
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{
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free(squarePanel->squares); // Free squares array
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squarePanel->squares = NULL;
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squarePanel->count = 0; // Reset count
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}
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// Draws all squares of CharSquarePanel
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static void drawSquares(const CharSquarePanel squarePanel)
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{
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float fontOffset = squarePanel.squareSize / 4; // Offset for font positioning
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// Loop through all squares and draw them
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for(int i = 0; i < squarePanel.count; i++)
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{
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CharSquare square = squarePanel.squares[i];
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Vector2 squareScreenCoord = {squarePanel.position.x + square.position.x, squarePanel.position.y + square.position.y};
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Color squareColor = DARKBLUE;
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Color fontColor = LIGHTGRAY;
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// Change colors if is marked
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if(square.isMarked)
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{
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squareColor = GREEN;
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fontColor = BLACK;
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}
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// Draw square and its border
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DrawRectangle(squareScreenCoord.x, squareScreenCoord.y, squarePanel.squareSize, squarePanel.squareSize, squareColor);
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for(int i = 1; i <= 3; i++)
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DrawRectangleLines(squareScreenCoord.x, squareScreenCoord.y, squarePanel.squareSize-i, squarePanel.squareSize-i, LIGHTGRAY);
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// Draw character inside the square
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DrawText(square.character, squareScreenCoord.x + fontOffset, squareScreenCoord.y + fontOffset, squarePanel.fontSize, fontColor);
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}
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}
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// Checks if selected word is valid solution
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static int isSolution(const char *solution, SearchWordPanel searchWordPanel)
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{
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for(int i = 0; i < searchWordPanel.count; i++)
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if(strcmp(solution, searchWordPanel.words[i].solution) == 0)
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{
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// Mark word as found and return true if solution matches
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searchWordPanel.words[i].wasFound = 1;
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return 1;
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}
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return 0; // false if not found
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}
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// Updates the marked squares based on user selection
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static void updateSelectedSquares(const MouseSelection selection, CharSquarePanel squarePanel, SearchWordPanel searchWordPanel)
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{
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unsigned int wordIdx = 0;
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char selectedWord[MAX_WORD_LEN];
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unsigned int selectedIdx[squarePanel.count];
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float radius = squarePanel.squareSize / 2;
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// Loop through all squares and check if selected
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for(int i = 0; i < squarePanel.count && wordIdx < MAX_WORD_LEN-1; i++)
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{
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Vector2 center = {squarePanel.squares[i].position.x + squarePanel.position.x, squarePanel.squares[i].position.y + squarePanel.position.y};
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center.x += radius;
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center.y += radius;
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// Check if square is selected by mouse
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if(CheckCollisionCircleLine(center, radius, selection.startPosition, selection.endPosition))
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{
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selectedWord[wordIdx] = squarePanel.squares[i].character[0];
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selectedIdx[wordIdx] = i;
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wordIdx++;
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}
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}
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selectedWord[wordIdx] = '\0';
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// If selected word is a solution, mark it
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if(isSolution(selectedWord, searchWordPanel))
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{
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for(int i = 0; i < wordIdx; i++)
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squarePanel.squares[selectedIdx[i]].isMarked = 1;
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}
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}
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// Handles mouse input for selecting words in grid
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static void handleMouseInput(MouseSelection *selection, CharSquarePanel squarePanel, SearchWordPanel searchWordPanel)
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{
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if(IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) // Start new selection
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{
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selection->startPosition = GetMousePosition();
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selection->endPosition = selection->startPosition;
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selection->isSelected = 1;
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}
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else if(IsMouseButtonReleased(MOUSE_BUTTON_LEFT)) // End selection
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{
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updateSelectedSquares(*selection, squarePanel, searchWordPanel);
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selection->isSelected = 0;
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}
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else if(IsMouseButtonDown(MOUSE_BUTTON_LEFT)) // Update end position while selecting
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{
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selection->endPosition = GetMousePosition();
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}
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}
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// Draws selection line on screen if selection is active
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static void drawSelection(const MouseSelection selection)
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{
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if(selection.isSelected)
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{
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DrawLine(selection.startPosition.x, selection.startPosition.y, selection.endPosition.x, selection.endPosition.y, WHITE);
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}
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}
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// Draws search word panel (list of words to be found)
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static void drawSearchWordPanel(SearchWordPanel searchWordPanel)
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{
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for(int i = 0; i < searchWordPanel.count; i++)
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{
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Vector2 wordScreenCoord = {searchWordPanel.words[i].position.x + searchWordPanel.position.x, searchWordPanel.words[i].position.y + searchWordPanel.position.y};
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DrawText(searchWordPanel.words[i].content, wordScreenCoord.x, wordScreenCoord.y, searchWordPanel.fontSize, WHITE);
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// If word has been found, highlight it
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if(searchWordPanel.words[i].wasFound)
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{
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int xOffset = MeasureText(searchWordPanel.words[i].content, searchWordPanel.fontSize);
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for(int i = 0; i <= 3; i++)
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DrawLine(wordScreenCoord.x - 3, wordScreenCoord.y + 5 + i, wordScreenCoord.x + xOffset + 3, wordScreenCoord.y + 5 + i, GREEN);
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}
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}
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}
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// Draws helper message (instructions or tips for user)
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static void drawHelperMessage(const HelperMessage msg)
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{
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DrawRectangle(msg.position.x, msg.position.y, msg.size.x, msg.size.y, BLACK); // Background for message
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DrawText(msg.text, msg.position.x + 5, msg.position.y + 5, msg.fontSize, WHITE); // Display message text
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}
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// Draws the entire game content, including helper message, squares, and search words
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static void drawGameContent(const HelperMessage helperMsg, const CharSquarePanel squarePanel, const MouseSelection selection, const SearchWordPanel searchWordPanel)
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{
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drawHelperMessage(helperMsg);
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drawSquares(squarePanel);
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drawSearchWordPanel(searchWordPanel);
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drawSelection(selection);
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}
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// Draws success message when player wins
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static void drawSuccessContent(WinMessage msg)
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{
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unsigned int textWidth = MeasureText(msg.content, msg.size);
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DrawRectangle(msg.position.x-20, msg.position.y-20, textWidth+40, msg.size+40, GREEN); // Background for success message
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for(int i = 0; i < 5; i++) // Draw borders around success message
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DrawRectangleLines(msg.position.x-20+i, msg.position.y-20+i, textWidth+40-i*2, msg.size+40-i*2, WHITE);
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DrawText(msg.content, msg.position.x, msg.position.y, msg.size, WHITE); // Display success text
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}
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// Draws entire game screen, including game content and success message if applicable
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static void drawAll(const CharSquarePanel squarePanel, const MouseSelection selection, const SearchWordPanel searchWordPanel, const HelperMessage helperMsg, const WinMessage msg, int hasWon)
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{
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BeginDrawing();
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ClearBackground(BLACK); // Clear screen with a black background
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drawGameContent(helperMsg, squarePanel, selection, searchWordPanel); // Draw game content
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if(hasWon) // If player has won, draw success message
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drawSuccessContent(msg);
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EndDrawing();
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}
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// Checks if all words in the search word panel have been found
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static int allWordsFound(SearchWordPanel searchWordPanel)
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{
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// Loop through all words and check if any is not found
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for(int i = 0; i < searchWordPanel.count; i++)
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if(!searchWordPanel.words[i].wasFound)
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return 0; // Return false if any word is not found
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return 1; // Return true if all words are found
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}
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// Main game loop where game is run and updated
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static void gameLoop(const Vector2 screenSize, MouseSelection mouseSelection, CharSquarePanel squarePanel, SearchWordPanel searchWordPanel, const HelperMessage helperMsg, const WinMessage winMsg)
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{
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InitWindow(screenSize.x, screenSize.y, "Word Salad"); // Initialize game window
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SetTargetFPS(60);
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while (!WindowShouldClose()) // Keep running until window is closed
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{
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handleMouseInput(&mouseSelection, squarePanel, searchWordPanel); // Handle mouse input (selection)
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// Draw all game content including helper message, squares, and search word panel
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drawAll(squarePanel, mouseSelection, searchWordPanel, helperMsg, winMsg, allWordsFound(searchWordPanel));
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}
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CloseWindow();
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}
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// Initializes and starts game, setting up necessary elements and entering game loop
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void startGame(const char wordSalad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldSize, char words[][MAX_WORD_LEN], unsigned int numberOfWords, unsigned int windowSize)
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{
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const int windowWidth = windowSize;
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Vector2 screenSize;
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// Create necessary game elements like helper message, square panel, and search word panel
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HelperMessage helperMsg = createHelperMessage(windowWidth);
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CharSquarePanel squarePanel = createCharSquarePanel(wordSalad, searchFieldSize, windowWidth);
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SearchWordPanel searchWordPanel = createSearchWordPanel(words, numberOfWords, windowWidth);
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WinMessage winMsg = createWinMessage(windowWidth);
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MouseSelection mouseSelection;
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mouseSelection.isSelected = 0; // Initialize mouse selection to not be active
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// Adjust panel positions
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squarePanel.position.y = helperMsg.size.y;
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searchWordPanel.position.y = helperMsg.size.y + squarePanel.size.y;
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// Set screen size based on the panels' sizes
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screenSize.x = squarePanel.size.x;
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screenSize.y = helperMsg.size.y + squarePanel.size.y + searchWordPanel.size.y;
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// Start game loop
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gameLoop(screenSize, mouseSelection, squarePanel, searchWordPanel, helperMsg, winMsg);
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// Free up allocated memory when game is done
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freeCharSquarePanel(&squarePanel);
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freeSearchWordPanel(&searchWordPanel);
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}
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/*gcc -fPIC -c input.c game.c graphicalGame.c main.c
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gcc -shared -o libwortsalat.a input.o game.o graphicalGame.o main.o*/ |