Map creation

2 files changed, 69 insertions, 0 deletions

diff --git a/map.c b/map.c
new file mode 100644
index 0000000..3d81c00
--- /dev/null
+++ b/map.c
@@ -0,0 +1,62 @@
+#include "map.h"
+
+#include <stdlib.h>
+
+Map map_new(size_t width, size_t height) {
+    Map map;
+    map.width = 0;
+    map.height = 0;
+
+    map.tiles = malloc(sizeof(Pixel *) * height);
+    if (map.tiles == NULL) return map;
+    for (size_t row = 0; row < height; row++) {
+        map.tiles[row] = malloc(sizeof(Pixel *) * width);
+        if (map.tiles[row] == NULL) {
+            /* FIXME: free prev rows */
+            map.tiles = NULL;
+            return map;
+        }
+        for (size_t col = 0; col < width; col++) {
+            map.tiles[row][col] = P_EMPTY;
+        }
+    }
+
+    map.width = width;
+    map.height = height;
+
+    return map;
+}
+
+void map_free(Map *map) {
+    if (map->tiles == NULL) goto null;
+
+    for (size_t row = 0; row < map->height; row++)
+        free(map->tiles[row]);
+
+null:
+    map->height = 0;
+    map->width = 0;
+    return;
+}
+
+Map map_default(void) {
+    /* haha map map map */
+    Map map = map_new(20, 30);
+
+    /* Boundaries */
+    for (size_t x = 0; x < map.width; x++) { /* Horizontal */
+        map.tiles[0][x] = P_MAGENTA;
+        map.tiles[map.height - 1][x] = P_RED;
+    }
+    for (size_t y = 0; y < map.height; y++) { /* Vertical */
+        map.tiles[y][0] = P_MAGENTA;
+        map.tiles[y][map.width - 1] = P_RED;
+    }
+
+    /* Some random pillars */
+    map.tiles[5][8]  = P_GREEN;
+    map.tiles[20][4] = P_GREEN;
+    map.tiles[9][11] = P_GREEN;
+
+    return map;
+}
diff --git a/map.h b/map.h
index b724c93..141f74c 100644
--- a/map.h
+++ b/map.h
@@ -3,10 +3,17 @@
 
 #include "framebuffer.h"
 
+/* Used to represent an empty tile */
+#define P_EMPTY (Pixel){C_BLACK, C_BLACK, '\0'}
+
 /* A structure representing a map. */
 typedef struct Map_s {
     size_t width, height;
     Pixel **tiles; /* used as tiles[row][col] or tiles[y][x] */
 } Map;
 
+Map map_new(size_t width, size_t height);
+void map_free(Map *map);
+Map map_default(void);
+
 #endif /* MAP_H_ */