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authorP. J. McDermott <pj@pehjota.net>2021-08-09 01:07:40 (EDT)
committer P. J. McDermott <pj@pehjota.net>2021-08-09 01:07:40 (EDT)
commit016c9daf3e46d08204f24b6da7d7820c64414a34 (patch)
tree695d2f1bd975b2085a9cb09b2de363c5d9d71e2b /src/char
parent21781ba0436d134409a965cceeda05dc00acef85 (diff)
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char: Add a step method
Diffstat (limited to 'src/char')
-rw-r--r--src/char/char.c9
-rw-r--r--src/char/char.h4
-rw-r--r--src/char/enemy.c14
-rw-r--r--src/char/player.c8
4 files changed, 22 insertions, 13 deletions
diff --git a/src/char/char.c b/src/char/char.c
index 97c3cc4..05ca03a 100644
--- a/src/char/char.c
+++ b/src/char/char.c
@@ -59,7 +59,6 @@ mf_char_get_vector(struct mf_char *c, int *x, int *y, int *travel,
int
mf_char_update(struct mf_char *c)
{
- int stepped = SDL_FALSE;
int dx;
int dy;
@@ -70,7 +69,9 @@ mf_char_update(struct mf_char *c)
/* Reached next cell */
c->cur_x = c->new_x;
c->cur_y = c->new_y;
- stepped = SDL_TRUE;
+ if (c->step(c) < 0) {
+ return -1;
+ }
if (c->cur_dir == c->new_dir) {
/* Want to continue straight */
c->travel -= c->cell_width;
@@ -113,13 +114,11 @@ mf_char_update(struct mf_char *c)
c->new_x = c->cur_x + dx;
c->new_y = c->cur_y + dy;
c->travel += c->speed;
- } else {
- stepped = SDL_TRUE;
}
}
end:
- return c->update(c, stepped);
+ return c->update(c);
}
int
diff --git a/src/char/char.h b/src/char/char.h
index ad0a74d..516974d 100644
--- a/src/char/char.h
+++ b/src/char/char.h
@@ -51,7 +51,8 @@ struct mf_char {
SDL_Color head_color;
SDL_Color smil_color;
SDL_Color eyes_color;
- int (*update)(struct mf_char *, int);
+ int (*update)(struct mf_char *);
+ int (*step)(struct mf_char *);
int (*render)(struct mf_char *, SDL_Renderer *);
void (*destroy)(struct mf_char *);
};
@@ -66,6 +67,7 @@ mf_char_new(size_t size);
return NULL; \
}; \
c->update = &_mf_##name##_update; \
+ c->step = &_mf_##name##_step; \
c->render = &_mf_##name##_render; \
c->destroy = &_mf_##name##_destroy; \
t_c = (struct mf_##name *) c; \
diff --git a/src/char/enemy.c b/src/char/enemy.c
index 3907cf6..edfd5c3 100644
--- a/src/char/enemy.c
+++ b/src/char/enemy.c
@@ -29,7 +29,13 @@ struct mf_enemy {
};
static int
-_mf_enemy_update(struct mf_char *c, int stepped)
+_mf_enemy_update(struct mf_char *c __attribute__((__unused__)))
+{
+ return 0;
+}
+
+static int
+_mf_enemy_step(struct mf_char *c)
{
enum _mf_char_dir dirs[4] = {MF_CHAR_DIR_U_, MF_CHAR_DIR_D_,
MF_CHAR_DIR_L_, MF_CHAR_DIR_R_};
@@ -39,10 +45,6 @@ _mf_enemy_update(struct mf_char *c, int stepped)
int dx;
int dy;
- if (stepped == SDL_FALSE) {
- return 0;
- }
-
/* Shuffle directions */
for (i = 0; i < 4; ++i) {
j = rand() / (RAND_MAX / (i+1));
@@ -125,7 +127,7 @@ mf_enemy_new(struct mf_maze *maze, int cell_width, int maze_size)
}
c->cur_dir = MF_CHAR_DIR_N_;
- _mf_enemy_update(c, SDL_TRUE);
+ _mf_enemy_step(c);
c->cur_dir = c->new_dir;
return c;
diff --git a/src/char/player.c b/src/char/player.c
index 8f44aa2..7d20aad 100644
--- a/src/char/player.c
+++ b/src/char/player.c
@@ -28,7 +28,7 @@ struct mf_player {
};
static int
-_mf_player_update(struct mf_char *c, int stepped __attribute__((__unused__)))
+_mf_player_update(struct mf_char *c)
{
int dx;
int dy;
@@ -55,6 +55,12 @@ _mf_player_update(struct mf_char *c, int stepped __attribute__((__unused__)))
}
static int
+_mf_player_step(struct mf_char *c __attribute__((__unused__)))
+{
+ return 0;
+}
+
+static int
_mf_player_render(struct mf_char *c __attribute__((__unused__)),
SDL_Renderer *renderer __attribute__((__unused__)))
{