Move throwing code out of item_use.cc

It really needs to be ripped out and rewritten, with a stress on making the
formulas sane.

1 files changed, 56 insertions, 0 deletions

diff --git a/crawl-ref/source/throw.h b/crawl-ref/source/throw.h
new file mode 100644
index 0000000000..6741076cd1
--- /dev/null
+++ b/crawl-ref/source/throw.h
@@ -0,0 +1,56 @@
+/**
+ * @file
+ * @brief Throwing and launching stuff.
+**/
+
+#ifndef THROW_H
+#define THROW_H
+
+#include <string>
+#include "externs.h"
+#include "enum.h"
+
+struct bolt;
+
+enum fire_type
+{
+    FIRE_NONE      = 0x0000,
+    FIRE_LAUNCHER  = 0x0001,
+    FIRE_DART      = 0x0002,
+    FIRE_STONE     = 0x0004,
+    FIRE_DAGGER    = 0x0008,
+    FIRE_JAVELIN   = 0x0010,
+    FIRE_SPEAR     = 0x0020,
+    FIRE_HAND_AXE  = 0x0040,
+    FIRE_CLUB      = 0x0080,
+    FIRE_ROCK      = 0x0100,
+    FIRE_NET       = 0x0200,
+    FIRE_RETURNING = 0x0400,
+    FIRE_INSCRIBED = 0x0800,   // Only used for _get_fire_order
+};
+
+struct bolt;
+class dist;
+
+bool elemental_missile_beam(int launcher_brand, int ammo_brand);
+bool item_is_quivered(const item_def &item);
+bool fire_warn_if_impossible(bool silent = false);
+int get_next_fire_item(int current, int offset);
+int get_ammo_to_shoot(int item, dist &target, bool teleport = false);
+void fire_thing(int item = -1);
+void throw_item_no_quiver(void);
+
+bool setup_missile_beam(const actor *actor, bolt &beam, item_def &item,
+                        std::string &ammo_name, bool &returning);
+
+void throw_noise(actor* act, const bolt &pbolt, const item_def &ammo);
+
+bool throw_it(bolt &pbolt, int throw_2, bool teleport = false,
+              int acc_bonus = 0, dist *target = NULL);
+
+bool thrown_object_destroyed(item_def *item, const coord_def& where);
+int launcher_final_speed(const item_def &launcher,
+                         const item_def *shield, bool scaled = true);
+
+void merge_ammo_in_inventory(int slot);
+#endif