scene previous

4 files changed, 19 insertions, 0 deletions

diff --git a/src/game.c b/src/game.c
index fb7994a..6967a3a 100644
--- a/src/game.c
+++ b/src/game.c
@@ -18,11 +18,21 @@ game_update(Game *this)
 	if (this->queue_next_scene) {
 		if (--this->queue_next_scene == 0) {
 			this->queue_restart_scene = 0;
+			this->queue_previous_scene = 0;
 			map_next();
 			game_restart_scene(this);
 			return;
 		}
 	}
+	if (this->queue_previous_scene) {
+		if (--this->queue_next_scene == 0) {
+			this->queue_restart_scene = 0;
+			this->queue_next_scene = 0;
+			map_previous();
+			game_restart_scene(this);
+			return;
+		}
+	}
 	if (this->queue_restart_scene) {
 		if (--this->queue_restart_scene == 0)
 			game_restart_scene(this);
diff --git a/src/game.h b/src/game.h
index 2d563f0..6883f76 100644
--- a/src/game.h
+++ b/src/game.h
@@ -6,6 +6,7 @@ enum { MAX_ENTITIES = 128 };
 typedef struct Game {
 	unsigned long uuid;
 	int queue_next_scene;
+	int queue_previous_scene;
 	int queue_restart_scene;
 	Entity entities[MAX_ENTITIES];
 } Game;
diff --git a/src/map.c b/src/map.c
index e3fc6d2..babb118 100644
--- a/src/map.c
+++ b/src/map.c
@@ -12,6 +12,13 @@ map_next(void)
 		map_id += 1;
 }
 
+void
+map_previous(void)
+{
+	if (map_id > 0)
+		map_id -= 1;
+}
+
 int
 map_width(void)
 {
diff --git a/src/map.h b/src/map.h
index 325b3bc..812a100 100644
--- a/src/map.h
+++ b/src/map.h
@@ -2,6 +2,7 @@
 #include "../map/tmj2c.h"
 
 void map_next(void);
+void map_previous(void);
 int map_width(void);
 int map_height(void);
 int map_get(int x, int y);