map_generator.h File Reference

Exposes functions for generating the game map. More...

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Functions
void	generate_map ()
	Generate the map and populate it with keys, enemies, and the exit.

Detailed Description

Exposes functions for generating the game map.

Definition in file map_generator.h.

Function Documentation

generate_map()

void generate_map

(

)

Generate the map and populate it with keys, enemies, and the exit.

Definition at line 317 of file map_generator.c.

                    {
    // Better random seed using a combination of time and process info
    unsigned int seed = (unsigned int) time(NULL);
    // XOR with address of a stack variable to add more entropy
    int stack_var;
    seed ^= (uintptr_t) &stack_var;
    srand(seed);
 
    // Initialize the map with walls
    initialize_map();
 
    int start_x = 0;
    int start_y = 0;
    int start_edge = 0;
    if (!exit_x && !exit_y) {
        // No exit yet, so this is the first time generating the map
        // Generate map with a random start position (at the start_edge)
        // Start position must be an odd coordinate (for dfs) and should be at least 3 cells away from other edges (not start_edge)
        start_edge = rand() % 4;
        set_start_position(start_edge, &start_x, &start_y);
    } else {
        make_exit_into_start(&start_edge, &start_x, &start_y);
    }
 
    generate_maze(start_x, start_y);
 
    place_exit(start_edge);
 
    populate_map();
 
    set_player_start_pos(start_x, start_y);
}