X-Git-Url: https://plomlompom.com/repos/foo.html?a=blobdiff_plain;f=src%2Fserver%2Ffield_of_view.c;h=440c84c2d6bea8a050673b30a7f3ff4a1321a5fc;hb=bfcf7850e4f5aa11ae5a33d78e153075032ff76d;hp=1a9acd588654f6d44b523ff18180a2201493fab9;hpb=61d2bf27904c05c2bb6dd68bd83cab9bba9c9385;p=plomrogue
diff --git a/src/server/field_of_view.c b/src/server/field_of_view.c
index 1a9acd5..440c84c 100644
--- a/src/server/field_of_view.c
+++ b/src/server/field_of_view.c
@@ -327,12 +327,12 @@ static void eval_position(uint16_t dist, uint16_t hex_i, uint8_t * fov_map,
-extern uint8_t * build_fov_map(struct Thing * eye)
+extern void build_fov_map(struct Thing * t)
{
uint32_t map_size = world.map.length * world.map.length;
- uint8_t * fov_map = try_malloc(map_size, __func__);
- memset(fov_map, VISIBLE, map_size);
- struct yx_uint8 test_pos = eye->pos;
+ t->fov_map = t->fov_map ? t->fov_map : try_malloc(map_size, __func__);
+ memset(t->fov_map, VISIBLE, map_size);
+ struct yx_uint8 test_pos = t->pos;
struct shadow_angle * shadows = NULL;
char * circle_dirs = "xswedc";
uint16_t dist;
@@ -350,7 +350,7 @@ extern uint8_t * build_fov_map(struct Thing * eye)
{
if (mv_yx_in_dir_legal(dir, &test_pos))
{
- eval_position(dist, hex_i, fov_map, &test_pos, &shadows);
+ eval_position(dist, hex_i, t->fov_map, &test_pos, &shadows);
circle_on_map = 1;
}
dir = circle_dirs[i_dir];
@@ -363,5 +363,4 @@ extern uint8_t * build_fov_map(struct Thing * eye)
}
mv_yx_in_dir_wrap(0, NULL, 1);
free_angles(shadows);
- return fov_map;
}