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authorJacob Janzen <jacob.a.s.janzen@gmail.com>2024-02-14 12:01:03 -0600
committerJacob Janzen <jacob.a.s.janzen@gmail.com>2024-02-14 12:01:03 -0600
commitb5b4a5d66deefa3858bedf7bc58e6c96340e829b (patch)
tree4aa42f746be3c6ce409938796ca95175dfd1da86 /cavegen.c
parent8bd664e467f760db6f689eb9d30c3d685abe6de5 (diff)
major refactor
Diffstat (limited to 'cavegen.c')
-rw-r--r--cavegen.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/cavegen.c b/cavegen.c
deleted file mode 100644
index 1365e9d..0000000
--- a/cavegen.c
+++ /dev/null
@@ -1,92 +0,0 @@
-#include "cavegen.h"
-
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#define MAX_STEPS 200
-#define NUM_WALKERS 100
-
-enum direction {
- UP,
- LEFT,
- RIGHT,
- DOWN,
- NUM_DIRS,
-};
-
-void create_cave(struct map *map)
-{
- map->width = WIDTH;
- map->height = HEIGHT;
-
- // create a map consisting entirely of walls
- map->map = malloc(sizeof(enum tile_type) * HEIGHT * WIDTH);
- for (int i = 0; i < HEIGHT; ++i) {
- for (int j = 0; j < WIDTH; ++j) {
- map->map[i * WIDTH + j] = WALL;
- }
- }
-
- // start in the middle of the screen
- int start_x = WIDTH / 2;
- int start_y = HEIGHT / 2;
-
- // make the starting point GROUND
- map->map[start_y * WIDTH + start_x] = GROUND;
-
- // setup the open tiles
- struct point *open_tiles = malloc(sizeof(struct point) * HEIGHT * WIDTH);
-
- int num_open_tiles = 1;
- open_tiles[0].x = start_x;
- open_tiles[0].y = start_y;
-
- for (int i = 0; i < NUM_WALKERS; ++i) {
- // get a random open point
- struct point curr_point = open_tiles[rand() % num_open_tiles];
-
- int x_pos = curr_point.x;
- int y_pos = curr_point.y;
-
- // iterate until the walk exits the array or MAX_STEPS is reached
- for (int j = 1; j < MAX_STEPS - 1 && x_pos < WIDTH - 1 && x_pos >= 1 &&
- y_pos < HEIGHT - 1 && y_pos >= 1;
- ++j) {
- // add new open point if the current point is still a wall
- if (map->map[y_pos * WIDTH + x_pos] == WALL) {
- open_tiles[num_open_tiles].x = x_pos;
- open_tiles[num_open_tiles].y = y_pos;
- ++num_open_tiles;
- }
-
- map->map[y_pos * WIDTH + x_pos] = GROUND; // assign ground
-
- // move in a random direction
- enum direction dir = rand() % NUM_DIRS;
- switch (dir) {
- case UP : --y_pos; break;
- case LEFT : --x_pos; break;
- case RIGHT : ++x_pos; break;
- case DOWN : ++y_pos; break;
- default : exit(EXIT_FAILURE); // should not occur
- }
- }
- }
-
- // assign the up stair and remove from open tiles
- int in = rand() % num_open_tiles;
- map->entry_point = open_tiles[in];
- open_tiles[in] = open_tiles[num_open_tiles - 1];
- --num_open_tiles;
- map->map[map->entry_point.y * WIDTH + map->entry_point.x] = UP_STAIR;
-
- // assign the down stair and remove from open tiles
- in = rand() % num_open_tiles;
- struct point down = open_tiles[in];
- open_tiles[in] = open_tiles[num_open_tiles - 1];
- --num_open_tiles;
- map->map[down.y * WIDTH + down.x] = DOWN_STAIR;
-
- free(open_tiles);
-}