From 37382f424bcfc92dcb2ef291bcce3aca8aa0772a Mon Sep 17 00:00:00 2001 From: Christian Heller <c.heller@plomlompom.de> Date: Wed, 3 Sep 2014 01:00:19 +0200 Subject: [PATCH] Server: Add explanatory comments to build_fov_map(). --- src/server/field_of_view.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/src/server/field_of_view.c b/src/server/field_of_view.c index b653e3a..9cd52d0 100644 --- a/src/server/field_of_view.c +++ b/src/server/field_of_view.c @@ -323,12 +323,12 @@ extern void build_fov_map(struct Thing * t) for (circle_i = 1, circle_is_on_map = 1; circle_is_on_map; circle_i++) { circle_is_on_map = 0; - if (1 != circle_i) - { - mv_yx_in_dir_legal('c', &test_pos); - } - char dir_char = 'd'; + if (1 < circle_i) /* All circles but the 1st are */ + { /* moved into starting from a */ + mv_yx_in_dir_legal('c', &test_pos);/* previous circle's last hex, */ + } /* i.e. from the upper left. */ uint8_t dir_char_pos_in_circledirs_string = 0; + char dir_char = 'd'; /* Circle's 1st hex is entered by rightward move.*/ uint16_t dist_i, hex_i; for (hex_i = 0, dist_i = 1; hex_i < 6 * circle_i; dist_i++, hex_i++) { @@ -338,11 +338,11 @@ extern void build_fov_map(struct Thing * t) circle_is_on_map = 1; } dir_char = circledirs_string[dir_char_pos_in_circledirs_string]; - if (circle_i == dist_i) - { - dist_i = 0; - dir_char_pos_in_circledirs_string++; - } + if (circle_i == dist_i) /* Number of steps into */ + { /* one direction before */ + dist_i = 0; /* direction change is */ + dir_char_pos_in_circledirs_string++;/* equal to distance to */ + } /* center / circle number.*/ } } mv_yx_in_dir_legal(0, NULL); -- 2.30.2