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Code cleanup and documentation

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This commit is contained in:
Jeroen Boxhoorn
2025-10-18 21:35:01 +02:00
parent 6b0e858064
commit e124e3071e
17 changed files with 105 additions and 95 deletions
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92
grid.c
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@@ -1,3 +1,8 @@
/*
* Created by snapshot112 on 2/10/2025
*/
#include "grid.h"
#include <stdlib.h>
@@ -8,12 +13,15 @@
* The grid type this program is build around.
*/
typedef struct grid_data {
char *rost;
char *locations;
int height;
int width;
state state;
} grid;
/*
* Translate x and y coordinates to a location index on the grid.
*/
static int internal_location(const grid *gp, const int x, const int y) {
return y * (gp->width + 1) + x;
}
@@ -48,12 +56,12 @@ grid *grid_create_from_string(const char* input) {
return NULL;
}
gp->rost = malloc(grid_size * sizeof(char));
gp->locations = malloc(grid_size * sizeof(char));
gp->height = height;
gp->width = width;
gp->state = STATE_BEGIN;
strcpy(gp->rost, input);
strcpy(gp->locations, input);
return gp;
}
@@ -62,8 +70,8 @@ grid *grid_create_from_string(const char* input) {
* Sets a grids width and height
*
* Input:
* fh: the stream to read the grid from.
* rost: a grid file to store the width and height in.
* fh: The stream to read the grid from.
* gp: A pointer to the grid whose width and height you want to set.
*
* Side effects:
* the grid gets its width and height set
@@ -72,27 +80,27 @@ grid *grid_create_from_string(const char* input) {
* 1 if the file width and height seem to match with its size
* 0 otherwise
*/
static int get_grid_sizes(FILE *fh, grid *rost) {
static int get_grid_sizes(FILE *fh, grid *gp) {
while (getc(fh) != '\n') {
if (feof(fh)) {
return 0;
}
rost->width++;
gp->width++;
}
if (rost->width == 0) {
if (gp->width == 0) {
return 0;
}
fseek(fh, 0, SEEK_END);
// Get file size (- 1 for the blank newline and EOF at the end)
if (ftell(fh) % (rost->width + 1) != 0) {
if (ftell(fh) % (gp->width + 1) != 0) {
// Not all lines are the same width
return 0;
}
rost->height = (int)ftell(fh) / (int)sizeof(char) / (rost->width + 1);
gp->height = (int)ftell(fh) / (int)sizeof(char) / (gp->width + 1);
fseek(fh, 0, SEEK_SET);
return 1;
@@ -103,7 +111,7 @@ grid *grid_create_from_file(FILE *fh) {
return NULL;
}
grid rost = {
grid temp_grid = {
NULL,
0,
0,
@@ -111,52 +119,52 @@ grid *grid_create_from_file(FILE *fh) {
};
// Sets the width and height of the grid.
if (get_grid_sizes(fh, &rost) != 1) {
if (get_grid_sizes(fh, &temp_grid) != 1) {
// Unlogical file structure.
return NULL;
}
const int grid_size = (rost.width + 1) * rost.height + 1;
const int grid_size = (temp_grid.width + 1) * temp_grid.height + 1;
rost.rost = malloc(grid_size * sizeof(char));
if (rost.rost == NULL) {
temp_grid.locations = malloc(grid_size * sizeof(char));
if (temp_grid.locations == NULL) {
return NULL;
}
// This makes the strncat() work.
rost.rost[0] = '\0';
temp_grid.locations[0] = '\0';
char *line = malloc((rost.width + 2) * sizeof(char));
char *line = malloc((temp_grid.width + 2) * sizeof(char));
if (line == NULL) {
return NULL;
}
for (int i = 0; i < rost.height; i++) {
if (fgets(line, rost.width + 2, fh) == NULL) {
free(rost.rost);
for (int i = 0; i < temp_grid.height; i++) {
if (fgets(line, temp_grid.width + 2, fh) == NULL) {
free(temp_grid.locations);
free(line);
return NULL;
}
// Validate that the line length is correct
if ((int)strcspn(line, "\n") != rost.width) {
free(rost.rost);
if ((int)strcspn(line, "\n") != temp_grid.width) {
free(temp_grid.locations);
free(line);
return NULL;
}
// Width is without the newline at the end.
strncat(rost.rost, line, rost.width + 1);
strncat(temp_grid.locations, line, temp_grid.width + 1);
}
free(line);
grid *return_grid = malloc(sizeof(rost));
grid *return_grid = malloc(sizeof(temp_grid));
if (return_grid == NULL) {
return NULL;
}
memcpy(return_grid, &rost, sizeof(rost));
memcpy(return_grid, &temp_grid, sizeof(temp_grid));
return return_grid;
}
@@ -192,9 +200,9 @@ void grid_put_state(grid *gp, const state t) {
void grid_cleanup(grid *gp) {
if (gp != NULL) {
if (gp->rost != NULL)
if (gp->locations != NULL)
{
free(gp->rost);
free(gp->locations);
}
free(gp);
}
@@ -215,7 +223,7 @@ int grid_height(const grid *gp) {
}
int grid_contains(const grid *gp, const int x, const int y) {
if (gp != NULL && gp->rost != NULL) {
if (gp != NULL && gp->locations != NULL) {
if (x >= 0 && y >= 0 && x < gp->width && y < gp->height)
{
return 1;
@@ -225,25 +233,25 @@ int grid_contains(const grid *gp, const int x, const int y) {
}
char grid_fetch(const grid *gp, const int x, const int y) {
if (gp != NULL && gp->rost != NULL && grid_contains(gp, x, y) == 1) {
return gp->rost[internal_location(gp, x, y)];
if (gp != NULL && gp->locations != NULL && grid_contains(gp, x, y) == 1) {
return gp->locations[internal_location(gp, x, y)];
}
return '\0';
}
int grid_put(grid *gp, const int x, const int y, const char c) {
if (gp != NULL && gp->rost != NULL && grid_contains(gp, x, y) == 1) {
gp->rost[internal_location(gp, x, y)] = c;
if (gp != NULL && gp->locations != NULL && grid_contains(gp, x, y) == 1) {
gp->locations[internal_location(gp, x, y)] = c;
return 1;
}
return 0;
}
char *grid_fetch_row(const grid *gp, const int y) {
if (gp != NULL && gp->rost != NULL && grid_contains(gp, 0, y) == 1) {
if (gp != NULL && gp->locations != NULL && grid_contains(gp, 0, y) == 1) {
// we're going to remove the newline so this is long enough
char *row = malloc((gp->width + 1) * sizeof(char));
memcpy(row, &gp->rost[internal_location(gp, 0, y)], gp->width * sizeof(char));
memcpy(row, &gp->locations[internal_location(gp, 0, y)], gp->width * sizeof(char));
row[gp->width] = '\0';
return row;
}
@@ -251,11 +259,11 @@ char *grid_fetch_row(const grid *gp, const int y) {
}
grid *grid_copy(const grid *gp) {
if (gp != NULL && gp->rost != NULL) {
if (gp != NULL && gp->locations != NULL) {
const size_t grid_memory = ((gp->width + 1) * gp->height + 1) * sizeof(char);
char *rost = malloc(grid_memory);
if (rost == NULL) {
char *locations = malloc(grid_memory);
if (locations == NULL) {
return NULL;
}
@@ -264,18 +272,18 @@ grid *grid_copy(const grid *gp) {
return NULL;
}
memcpy(rost, gp->rost, grid_memory);
memcpy(locations, gp->locations, grid_memory);
memcpy(new_grid, gp, sizeof(*gp));
new_grid->rost = rost;
new_grid->locations = locations;
return new_grid;
}
return NULL;
}
void grid_find(const grid *gp, const char c, int *x, int *y) {
if (gp == NULL || gp->rost == NULL) {
if (gp == NULL || gp->locations == NULL) {
*x = -1;
*y = -1;
return;
@@ -283,9 +291,9 @@ void grid_find(const grid *gp, const char c, int *x, int *y) {
const char search[2] = {c};
const int char_index = (int)strcspn(gp->rost, search);
const int char_index = (int)strcspn(gp->locations, search);
if (gp->rost[char_index] == '\0')
if (gp->locations[char_index] == '\0')
{
*x = -1;
*y = -1;

2
grid.h
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@@ -1,5 +1,5 @@
/*
* grid.h
* Created by snapshot112 on 2/10/2025
*
* This module provides a grid api.
*

7
grid_game_engine.c
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@@ -1,7 +1,5 @@
/*
* Created by snapshot112 on 10/15/25.
*
* A game engine that can run and display games in square grids.
* Created by snapshot112 on 8/10/2025
*/
#include "grid_game_engine.h"
@@ -84,14 +82,13 @@ static void display_hackerman(const coordinate location) {
}
void graceful_exit(const coordinate message_location) {
mvaddstr(message_location.y, message_location.x, "Press ENTER or SPACE to exit.");
mvaddstr(message_location.y, message_location.x, "Press ENTER to exit.");
while (1) {
switch (getch()) {
case KEY_BACKSPACE:
case KEY_ESCAPE:
case KEY_ENTER:
case '\n':
case ' ':
return;
}
}

9
grid_game_engine.h
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@@ -1,8 +1,7 @@
/*
* Created by snapshot112 on 10/15/25.
* Created by snapshot112 on 15/10/2025.
*
* A game engine that uses the can run and display games in rectangular grids.
* The graphics are made using ncurses.
* A game engine build on top of a grid api to run and display games using ncurses.
*
* Please make sure to initialize the game engine before running any games.
*/
@@ -133,12 +132,12 @@ void update_grid(grid *gp, char c, int x, int y);
void game_exit_message(const grid *gp, coordinate location);
/*
* Waits for you to press ENTER or SPACE before exiting the game.
* Waits for you to press ENTER before exiting the game.
*
* Input:
* coordinate: The location to show the message.
*
* Side effect: Prints "Press ENTER or SPACE to exit." game to the console.
* Side effect: Prints "Press ENTER to exit." game to the console.
*/
void graceful_exit(coordinate message_location);

9
manual.c
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@@ -1,6 +1,7 @@
//
// Created by snapshot112 on 10/17/25.
//
/*
* Created by snapshot112 on 10/17/2025
*/
#include "manual.h"
@@ -26,7 +27,7 @@ void manual(const coordinate display_location) {
// Wait until ESCAPE or BACKSPACE is pressed.
timeout(200);
for (int ch = getch(); ch != KEY_ESCAPE && ch != KEY_BACKSPACE && ch != ' '; ch = getch()) {
for (int ch = getch(); ch != KEY_ESCAPE && ch != KEY_BACKSPACE; ch = getch()) {
// Update the screen in the meantime to accommodate windows resizes.
show_grid_on_offset(grid, display_location.x, display_location.y);
}

8
manual.h
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@@ -1,7 +1,7 @@
/*
* Created by snapshot112 on 10/15/25.
* Created by snapshot112 on 10/17/2025
*
* Display the manual for the minigames
* Provides a way to display the minigame manual in the assets in game.
*/
#ifndef MINIGAME_MENU_MANUAL_H
@@ -9,7 +9,7 @@
#include "grid_game_engine.h"
/*
* A game manual for the minigames menu.
* An in game manual for the minigames menu.
*
* Please make sure to include and initialize the game engine before opening the manual
*
@@ -20,7 +20,7 @@
* Clears the console and uses it to display the manual.
*
* Controls:
* Press ESCAPE or ENTER to exit the manual.
* Press ESCAPE or BACKSPACE to exit the manual.
*/
void manual(coordinate display_location);

6
maze_runner.c
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@@ -1,6 +1,6 @@
//
// Created by snapshot112 on 10/15/25.
//
/*
* Created by snapshot112 on 6/10/2025
*/
#include "maze_runner.h"

10
maze_runner.h
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@@ -1,9 +1,11 @@
/*
* Created by snapshot112 on 6/10/2025
*
* Naam: Jeroen Boxhoorn
* UvAnetID: 16333969
* Studie: BSc Informatica
* Studie: BSC Informatica
*
* A game of maze runner configured to run on the grid game engine.
* A game of maze runner build on the grid game engine.
*
* Please make sure to include and initialize the game engine before calling maze_runner();
*
@@ -23,7 +25,7 @@
#define MINIGAME_MENU_MAZE_RUNNER_H
/*
* A game of maze runner configured to run on the grid game engine.
* A game of maze runner build on the grid game engine.
*
* Please make sure to include and initialize the game engine before calling maze_runner();
*
@@ -32,7 +34,7 @@
*
* Controls:
* use WSAD or arrow keys to move through the maze.
* Use BACKSPACE to exit the game early.
* Use BACKSPACE or ESCAPE to exit the game early.
*/
void maze_runner(void);

6
minesweeper.c
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@@ -1,6 +1,6 @@
//
// Created by snapshot112 on 10/15/25.
//
/*
* Created by snapshot112 on 15/10/2025
*/
#include "minesweeper.h"

10
minesweeper.h
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@@ -1,18 +1,18 @@
/*
* Created by snapshot112 on 10/15/25.
* Created by snapshot112 on 15/10/2025
*
* A game of minesweeper runner configured to run on the grid game engine.
* A game of minesweeper build on the grid game engine.
*
* Please make sure to include and initialize the game engine before calling snake();
* Please make sure to include and initialize the game engine before calling minesweeper();
*/
#ifndef MINIGAME_MENU_MINESWEEPER_H
#define MINIGAME_MENU_MINESWEEPER_H
/*
* A game of minesweeper configured to run on the grid game engine.
* A game of minesweeper build on the grid game engine.
*
* Please make sure to include and initialize the game engine before calling snake();
* Please make sure to include and initialize the game engine before calling minesweeper();
*
* Side Effects:
* Clears the console and uses it to play a game of minesweeper.

7
minigame_menu.c
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@@ -1,6 +1,6 @@
//
// Created by snapshot112 on 10/15/25.
//
/*
* Created by snapshot112 on 15/10/2025
*/
#include "minigame_menu.h"
@@ -152,7 +152,6 @@ static int navigate_menu(void) {
}
launch_game(SELECTED_GAME);
break;
case 'p':
case KEY_BACKSPACE:
case KEY_ESCAPE:
return 1;

12
minigame_menu.h
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@@ -1,7 +1,7 @@
/*
* Created by snapshot112 on 10/15/25.
* Created by snapshot112 on 15/10/2025
*
* A minigame menu for games configured to run on the grid game engine.
* A minigame menu for games build on the grid game engine.
*
* Please make sure to include and initialize the game engine before calling menu();
*/
@@ -10,7 +10,7 @@
#define MINIGAME_MENU_MINIGAME_MENU_H
/*
* A minigame menu for games configured to run on the grid game engine.
* A minigame menu for games build on the grid game engine.
*
* Please make sure to include and initialize the game engine before calling menu();
*
@@ -18,10 +18,10 @@
* Clears the console and uses it to display a minigame menu.
*
* Controls:
* 'w'/'arr_up: Next menu item.
* 'w'/'arr_up': Next menu item.
* 's'/'arr_down': Previous menu item.
* 'f': Select current menu item.
* 'BACKSPACE': Exit the menu.
* 'f'/'ENTER': Select current menu item.
* 'BACKSPACE'/'ESC': Exit the menu.
*/
void minigame_menu(void);

6
snake.c
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@@ -1,6 +1,6 @@
//
// Created by snapshot112 on 10/15/25.
//
/*
* Created by snapshot112 on 15/10/2025
*/
#define _POSIX_C_SOURCE 199309

8
snake.h
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@@ -1,7 +1,7 @@
/*
* Created by snapshot112 on 10/15/25.
* Created by snapshot112 on 15/10/2025
*
* A game of maze runner configured to run on the grid game engine.
* A game of maze runner build on the grid game engine.
*
* Please make sure to include and initialize the game engine before calling snake();
*/
@@ -10,7 +10,7 @@
#define MINIGAME_MENU_SNAKE_H
/*
* A game of snake configured to run on the grid game engine.
* A game of snake build on the grid game engine.
*
* Please make sure to include and initialize the game engine before calling snake();
*
@@ -19,7 +19,7 @@
*
* Controls:
* Use WSAD or arrow keys to redirect the snake.
* Use BACKSPACE to exit the game early.
* Use BACKSPACE or ESCAPE to exit the game early.
*/
void snake(void);

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spel
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spel.c
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@@ -1,7 +1,9 @@
/*
* Created by snapshot112 on 15/10/2025
*
* Naam: Jeroen Boxhoorn
* UvAnetID: 16333969
* Studie: BSc Informatica
* Studie: BSC Informatica
*
* A minigame menu that lets you play games on the grid game engine.
*
@@ -9,6 +11,8 @@
* - maze runner
* - snake
* - minesweeper
*
* A user manual can be found in the assets or by selected it in the menu using ENTER or 'f'.
*/
#include "grid_game_engine.h"