From 3b3ed255a05eb0a0a3ed2886c010b952c1b1bd8c Mon Sep 17 00:00:00 2001
From: Olivier Gayot <og@satcom1.com>
Date: Sun, 4 Sep 2016 17:59:59 +0200
Subject: create a structure battle and make use of it

Signed-off-by: Olivier Gayot <og@satcom1.com>
---
 battle.c | 26 +++++++++++++++++++++++---
 battle.h | 17 +++++++++++++++++
 map.c    | 15 ++++++++++++---
 3 files changed, 52 insertions(+), 6 deletions(-)
 create mode 100644 battle.h

diff --git a/battle.c b/battle.c
index 874d27a..44764b7 100644
--- a/battle.c
+++ b/battle.c
@@ -1,3 +1,5 @@
+#include "battle.h"
+
 #include "rpg.h"
 
 #include "structures.h"
@@ -462,11 +464,29 @@ static bool is_battle_over(const struct team_t *t1, const struct team_t *t2)
     return get_first_alive_character(t2) == NULL;
 }
 
-int battle(struct team_t *t1, struct team_t *t2)
+int battle_init(struct battle_t *battle, struct team_t *t1, struct team_t *t2)
 {
+    battle->t1 = t1;
+    battle->t2 = t2;
+
+    battle->background = rpg_g.surfaces.background;
+
+    return 0;
+}
+
+void battle_close(struct battle_t *battle)
+{
+    (void) battle;
+}
+
+int battle_run(struct battle_t *battle)
+{
+    struct team_t *t1 = battle->t1;
+    struct team_t *t2 = battle->t2;
+
     struct team_t *playing_team;
 
-    SDL_BlitSurface(rpg_g.surfaces.background, NULL, rpg_g.screen, NULL);
+    SDL_BlitSurface(battle->background, NULL, rpg_g.screen, NULL);
 
     /* compute whether the allies or the enemies should begin */
     playing_team = (rand() % 2) ? t1 : t2;
@@ -498,7 +518,7 @@ int battle(struct team_t *t1, struct team_t *t2)
 
                 SDL_Delay(1000);
 
-                SDL_BlitSurface(rpg_g.surfaces.background, &rpg_g.positions.degats,
+                SDL_BlitSurface(battle->background, &rpg_g.positions.degats,
                         rpg_g.screen, &rpg_g.positions.degats);
 
                 SDL_Flip(rpg_g.screen);
diff --git a/battle.h b/battle.h
new file mode 100644
index 0000000..962f4b3
--- /dev/null
+++ b/battle.h
@@ -0,0 +1,17 @@
+#ifndef BATTLE_H
+#define BATTLE_H
+
+#include "players.h"
+
+struct battle_t {
+    struct team_t *t1;
+    struct team_t *t2;
+
+    SDL_Surface *background;
+};
+
+int battle_init(struct battle_t *battle, struct team_t *t1, struct team_t *t2);
+int battle_run(struct battle_t *battle);
+void battle_close(struct battle_t *battle);
+
+#endif /* BATTLE_H */
diff --git a/map.c b/map.c
index 6783873..d2e2c30 100644
--- a/map.c
+++ b/map.c
@@ -1,7 +1,8 @@
-#include <stdio.h>
-#include <stdlib.h>
 #include <SDL/SDL.h>
 #include <SDL/SDL_image.h>
+
+#include "battle.h"
+
 #include "constantes.h"
 #include "structures.h"
 #include "prototypes.h"
@@ -46,7 +47,15 @@ void Fmap (SURFACES*surfaces, POSITIONS* positions,
     (void) surfaces;
     (void) positions;
 
-    battle(t1, t2);
+    struct battle_t battle;
+
+    if (battle_init(&battle, t1, t2) < 0) {
+        return;
+    }
+
+    battle_run(&battle);
+
+    battle_close(&battle);
 #endif
 }
 
-- 
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