1 files changed, 84 insertions, 0 deletions

diff --git a/apps/plugins/xrick/e_bullet.c b/apps/plugins/xrick/e_bullet.c
new file mode 100644
index 0000000000..86542256e8
--- /dev/null
+++ b/apps/plugins/xrick/e_bullet.c
@@ -0,0 +1,84 @@
+/*
+ * xrick/e_bullet.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_bullet.h"
+
+#include "xrick/system/system.h"
+#include "xrick/game.h"
+#include "xrick/ents.h"
+#include "xrick/maps.h"
+
+/*
+ * public vars (for performance reasons)
+ */
+S8 e_bullet_offsx;
+S16 e_bullet_xc, e_bullet_yc;
+
+/*
+ * Initialize bullet
+ */
+void
+e_bullet_init(U16 x, U16 y)
+{
+  E_BULLET_ENT.n = 0x02;
+  E_BULLET_ENT.x = x;
+  E_BULLET_ENT.y = y + 0x0006;
+  if (game_dir == LEFT) {
+    e_bullet_offsx = -0x08;
+    E_BULLET_ENT.sprite = 0x21;
+  }
+  else {
+    e_bullet_offsx = 0x08;
+    E_BULLET_ENT.sprite = 0x20;
+  }
+#ifdef ENABLE_SOUND
+  syssnd_play(soundBullet, 1);
+#endif
+}
+
+
+/*
+ * Entity action
+ *
+ * ASM 1883, 0F97
+ */
+void
+e_bullet_action(U8 e/*unused*/)
+{
+    (void)e;
+
+    /* move bullet */
+    E_BULLET_ENT.x += e_bullet_offsx;
+
+    if (E_BULLET_ENT.x <= -0x10 || E_BULLET_ENT.x > 0xe8)
+    {
+        /* out: deactivate */
+        E_BULLET_ENT.n = 0;
+    }
+    else
+    {
+        /* update bullet center coordinates */
+        e_bullet_xc = E_BULLET_ENT.x + 0x0c;
+        e_bullet_yc = E_BULLET_ENT.y + 0x05;
+        if (map_eflg[map_map[e_bullet_yc >> 3][e_bullet_xc >> 3]] & MAP_EFLG_SOLID)
+        {
+            /* hit something: deactivate */
+            E_BULLET_ENT.n = 0;
+        }
+    }
+}
+
+
+/* eof */