1 files changed, 109 insertions, 0 deletions

diff --git a/apps/plugins/xrick/e_box.c b/apps/plugins/xrick/e_box.c
new file mode 100644
index 0000000000..25884b1a12
--- /dev/null
+++ b/apps/plugins/xrick/e_box.c
@@ -0,0 +1,109 @@
+/*
+ * xrick/e_box.c
+ *
+ * Copyright (C) 1998-2002 BigOrno (bigorno@bigorno.net).
+ * Copyright (C) 2008-2014 Pierluigi Vicinanza.
+ * All rights reserved.
+ *
+ * The use and distribution terms for this software are contained in the file
+ * named README, which can be found in the root of this distribution. By
+ * using this software in any fashion, you are agreeing to be bound by the
+ * terms of this license.
+ *
+ * You must not remove this notice, or any other, from this software.
+ */
+
+#include "xrick/e_box.h"
+
+#include "xrick/game.h"
+#include "xrick/ents.h"
+#include "xrick/e_bullet.h"
+#include "xrick/e_bomb.h"
+#include "xrick/e_rick.h"
+#include "xrick/maps.h"
+#include "xrick/util.h"
+
+/*
+ * FIXME this is because the same structure is used
+ * for all entities. Need to replace this w/ an inheritance
+ * solution.
+ */
+#define cnt c1
+
+/*
+ * Constants
+ */
+#define SEQ_INIT 0x0A
+
+/*
+ * Prototypes
+ */
+static void explode(U8);
+
+/*
+ * Entity action
+ *
+ * ASM 245A
+ */
+void
+e_box_action(U8 e)
+{
+    static U8 sp[] = {0x24, 0x25, 0x26, 0x27, 0x28};  /* explosion sprites sequence */
+
+    if (ent_ents[e].n & ENT_LETHAL) {
+        /*
+         * box is lethal i.e. exploding
+         * play sprites sequence then stop
+         */
+        ent_ents[e].sprite = sp[ent_ents[e].cnt >> 1];
+        if (--ent_ents[e].cnt == 0) {
+            ent_ents[e].n = 0;
+            map_marks[ent_ents[e].mark].ent |= MAP_MARK_NACT;
+        }
+    } else {
+        /*
+         * not lethal: check to see if triggered
+         */
+        if (e_rick_boxtest(e)) {
+            /* rick: collect bombs or bullets and stop */
+#ifdef ENABLE_SOUND
+            syssnd_play(soundBox, 1);
+#endif
+            if (ent_ents[e].n == 0x10)
+                game_bombs = GAME_BOMBS_INIT;
+            else  /* 0x11 */
+                game_bullets = GAME_BULLETS_INIT;
+            ent_ents[e].n = 0;
+            map_marks[ent_ents[e].mark].ent |= MAP_MARK_NACT;
+        }
+        else if (e_rick_state_test(E_RICK_STSTOP) &&
+                u_fboxtest(e, e_rick_stop_x, e_rick_stop_y)) {
+            /* rick's stick: explode */
+            explode(e);
+        }
+        else if (E_BULLET_ENT.n && u_fboxtest(e, e_bullet_xc, e_bullet_yc)) {
+            /* bullet: explode (and stop bullet) */
+            E_BULLET_ENT.n = 0;
+            explode(e);
+        }
+        else if (e_bomb_lethal && e_bomb_hit(e)) {
+            /* bomb: explode */
+            explode(e);
+        }
+    }
+}
+
+
+/*
+ * Explode when
+ */
+static void explode(U8 e)
+{
+    ent_ents[e].cnt = SEQ_INIT;
+    ent_ents[e].n |= ENT_LETHAL;
+#ifdef ENABLE_SOUND
+    syssnd_play(soundExplode, 1);
+#endif
+}
+
+/* eof */