From 2b214aa07350746941caddf337ab4cd5bc82203d Mon Sep 17 00:00:00 2001
From: mtitus_613 <mtitus_613@c06c8d41-db1a-0410-9941-cceddc491573>
Date: Tue, 6 Mar 2007 20:10:31 +0000
Subject: Add LOW MAGIC WARNING.  This involved creating a channel, modifying
 init.txt, and the crawl_options.txt docs. Message will trigger when player's
 magic drops below the percentage set in init.txt (default 10%). Nice for
 making sure casters don't run around with low magic amounts.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@988 c06c8d41-db1a-0410-9941-cceddc491573
---
 crawl-ref/source/enum.h      |  1 +
 crawl-ref/source/externs.h   |  1 +
 crawl-ref/source/initfile.cc | 14 +++++++++++++-
 crawl-ref/source/message.cc  |  4 ++++
 crawl-ref/source/player.cc   |  6 ++++++
 5 files changed, 25 insertions(+), 1 deletion(-)

(limited to 'crawl-ref/source')

diff --git a/crawl-ref/source/enum.h b/crawl-ref/source/enum.h
index 16d0e95be6..9e49de664e 100644
--- a/crawl-ref/source/enum.h
+++ b/crawl-ref/source/enum.h
@@ -1751,6 +1751,7 @@ enum msg_channel_type
     MSGCH_MULTITURN_ACTION,  // delayed action messages
     MSGCH_DIAGNOSTICS,    // various diagnostic messages 
     MSGCH_TUTORIAL,		  // messages for tutorial
+	MSGCH_DANGER_MAGIC,   // low magic warning
     NUM_MESSAGE_CHANNELS  // always last
 };
 
diff --git a/crawl-ref/source/externs.h b/crawl-ref/source/externs.h
index a80061df10..1a96da890f 100644
--- a/crawl-ref/source/externs.h
+++ b/crawl-ref/source/externs.h
@@ -1130,6 +1130,7 @@ public:
     int         priest;         // choice of god for priests (Zin/Yred)
     bool        random_pick;    // randomly generate character
     int         hp_warning;     // percentage hp for danger warning
+    int         magic_point_warning;    // percentage mp for danger warning
     char        race;           // preselected race
     char        cls;            // preselected class
     bool        terse_hand;     // use terse description for wielded item
diff --git a/crawl-ref/source/initfile.cc b/crawl-ref/source/initfile.cc
index 19296c5644..790bfbfcd5 100644
--- a/crawl-ref/source/initfile.cc
+++ b/crawl-ref/source/initfile.cc
@@ -148,7 +148,8 @@ static const std::string message_channel_names[ NUM_MESSAGE_CHANNELS ] =
     "plain", "prompt", "god", "pray", "duration", "danger", "warning", "food",
     "recovery", "sound", "talk", "intrinsic_gain", "mutation", "monster_spell",
     "monster_enchant", "monster_damage", "monster_target", 
-    "rotten_meat", "equipment", "floor", "multiturn", "diagnostic",
+    "rotten_meat", "equipment", "floor", "multiturn", "diagnostic","tutorial",
+    "magic_warning",
 };
 
 // returns -1 if unmatched else returns 0--(NUM_MESSAGE_CHANNELS-1)
@@ -591,6 +592,7 @@ void game_options::reset_options()
     easy_confirm           = CONFIRM_SAFE_EASY;
     easy_quit_item_prompts = true;
     hp_warning             = 10;
+    magic_point_warning    = 10;
     confirm_self_target    = true;
     default_target         = false;
     safe_autopickup        = true;
@@ -1672,6 +1674,16 @@ void game_options::read_option_line(const std::string &str, bool runscript)
                      field.c_str() );
         }
     }
+    else if (key == "mp_warning")
+    {
+        magic_point_warning = atoi( field.c_str() );
+        if (magic_point_warning < 0 || magic_point_warning > 100)
+        {
+            magic_point_warning = 0;
+            fprintf( stderr, "Bad MP warning percentage -- %s\n",
+                     field.c_str() );
+        }
+    }
     else if (key == "ood_interesting")
     {
         ood_interesting = atoi( field.c_str() );
diff --git a/crawl-ref/source/message.cc b/crawl-ref/source/message.cc
index 6e2f1aa12a..62fa88ea1c 100644
--- a/crawl-ref/source/message.cc
+++ b/crawl-ref/source/message.cc
@@ -190,6 +190,10 @@ int channel_to_colour( int channel, int param )
             ret = CYAN;
             break;
 
+        case MSGCH_DANGER_MAGIC:
+            ret = LIGHTCYAN;
+            break;
+
         case MSGCH_DIAGNOSTICS:
         case MSGCH_MULTITURN_ACTION:
             ret = DARKGREY;     // makes it easier to ignore at times -- bwr
diff --git a/crawl-ref/source/player.cc b/crawl-ref/source/player.cc
index 08a4d1cd98..1cf91f9dd8 100644
--- a/crawl-ref/source/player.cc
+++ b/crawl-ref/source/player.cc
@@ -3790,6 +3790,12 @@ void dec_mp(int mp_loss)
     if (you.magic_points < 0)
         you.magic_points = 0;
 
+    if (you.magic_points > 0 && Options.magic_point_warning
+            && you.magic_points <= (you.max_magic_points * Options.magic_point_warning) / 100)
+        {
+            mpr( "* * * LOW MAGIC WARNING * * *", MSGCH_DANGER_MAGIC );
+        }
+
     take_note(Note(NOTE_MP_CHANGE, you.magic_points, you.max_magic_points));
     you.redraw_magic_points = 1;
 
-- 
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