From 5a95c997d19552ee8d9ab568890621b9856977f6 Mon Sep 17 00:00:00 2001
From: Randy Heit <rheit@zdoom.fake>
Date: Sun, 12 Feb 2012 02:45:48 +0000
Subject: [PATCH] - Added keys on the automap for Heretic in easy mode,
 courtesy of Gez.

SVN r3356 (trunk)
---
 src/am_map.cpp                       | 55 +++++++++++++++++++++++++++-
 src/g_level.h                        |  4 +-
 src/g_skill.cpp                      |  9 +++++
 wadsrc/static/maparrows/ravenkey.txt |  9 +++++
 wadsrc/static/mapinfo/heretic.txt    |  1 +
 5 files changed, 76 insertions(+), 2 deletions(-)
 create mode 100644 wadsrc/static/maparrows/ravenkey.txt

diff --git a/src/am_map.cpp b/src/am_map.cpp
index 1c5415a992..44b6da619b 100644
--- a/src/am_map.cpp
+++ b/src/am_map.cpp
@@ -308,6 +308,7 @@ struct islope_t
 static TArray<mline_t> MapArrow;
 static TArray<mline_t> CheatMapArrow;
 static TArray<mline_t> CheatKey;
+static TArray<mline_t> EasyKey;
 
 #define R (MAPUNIT)
 // [RH] Avoid lots of warnings without compiler-specific #pragmas
@@ -536,10 +537,12 @@ void AM_StaticInit()
 	MapArrow.Clear();
 	CheatMapArrow.Clear();
 	CheatKey.Clear();
+	EasyKey.Clear();
 
 	if (gameinfo.mMapArrow.IsNotEmpty()) AM_ParseArrow(MapArrow, gameinfo.mMapArrow);
 	if (gameinfo.mCheatMapArrow.IsNotEmpty()) AM_ParseArrow(CheatMapArrow, gameinfo.mCheatMapArrow);
 	AM_ParseArrow(CheatKey, "maparrows/key.txt");
+	AM_ParseArrow(EasyKey, "maparrows/ravenkey.txt");
 	if (MapArrow.Size() == 0) I_FatalError("No automap arrow defined");
 
 	char namebuf[9];
@@ -2261,6 +2264,49 @@ void AM_drawPlayers ()
 //
 //=============================================================================
 
+void AM_drawKeys ()
+{
+	AMColor color;
+	mpoint_t p;
+	angle_t	 angle;
+
+	TThinkerIterator<AKey> it;
+	AKey *key;
+
+	while ((key = it.Next()) != NULL)
+	{
+		p.x = key->x >> FRACTOMAPBITS;
+		p.y = key->y >> FRACTOMAPBITS;
+		angle = key->angle;
+
+		if (am_rotate == 1 || (am_rotate == 2 && viewactive))
+		{
+			AM_rotatePoint (&p.x, &p.y);
+			angle += ANG90 - players[consoleplayer].camera->angle;
+		}
+
+		color = ThingColor;
+		if (key->flags & MF_SPECIAL)
+		{
+			// Find the key's own color.
+			// Only works correctly if single-key locks have lower numbers than any-key locks.
+			// That is the case for all default keys, however.
+			int P_GetMapColorForKey (AInventory * key);
+			int c = P_GetMapColorForKey(key);
+
+			if (c >= 0)	color.FromRGB(RPART(c), GPART(c), BPART(c));
+			else color = ThingColor_CountItem;
+			AM_drawLineCharacter(&EasyKey[0], EasyKey.Size(), 0, 0, color, p.x, p.y);
+		}
+	}
+}
+
+//=============================================================================
+//
+//
+//
+//=============================================================================
+
 void AM_drawThings ()
 {
 	AMColor color;
@@ -2299,7 +2345,12 @@ void AM_drawThings ()
 				// That is the case for all default keys, however.
 				if (t->IsKindOf(RUNTIME_CLASS(AKey)))
 				{
-					if (am_showkeys)
+					if (G_SkillProperty(SKILLP_EasyKey))
+					{
+						// Already drawn by AM_drawKeys(), so don't draw again
+						color.Index = -1;
+					}
+					else if (am_showkeys)
 					{
 						int P_GetMapColorForKey (AInventory * key);
 						int c = P_GetMapColorForKey(static_cast<AKey *>(t));
@@ -2521,6 +2572,8 @@ void AM_Drawer ()
 
 	AM_drawWalls(allmap);
 	AM_drawPlayers();
+	if (G_SkillProperty(SKILLP_EasyKey))
+		AM_drawKeys();
 	if (am_cheat >= 2 || allthings)
 		AM_drawThings();
 
diff --git a/src/g_level.h b/src/g_level.h
index 4b70f595aa..10dc15eb8c 100644
--- a/src/g_level.h
+++ b/src/g_level.h
@@ -545,7 +545,8 @@ enum ESkillProperty
 	SKILLP_MonsterHealth,
 	SKILLP_FriendlyHealth,
 	SKILLP_NoPain,
-	SKILLP_ArmorFactor
+	SKILLP_ArmorFactor,
+	SKILLP_EasyKey,
 };
 int G_SkillProperty(ESkillProperty prop);
 const char * G_SkillName();
@@ -564,6 +565,7 @@ struct FSkillInfo
 	bool AutoUseHealth;
 
 	bool EasyBossBrain;
+	bool EasyKey;
 	int RespawnCounter;
 	int RespawnLimit;
 	fixed_t Aggressiveness;
diff --git a/src/g_skill.cpp b/src/g_skill.cpp
index cac38563a9..46b9a1702a 100644
--- a/src/g_skill.cpp
+++ b/src/g_skill.cpp
@@ -66,6 +66,7 @@ void FMapInfoParser::ParseSkill ()
 	skill.FastMonsters = false;
 	skill.DisableCheats = false;
 	skill.EasyBossBrain = false;
+	skill.EasyKey = false;
 	skill.AutoUseHealth = false;
 	skill.RespawnCounter = 0;
 	skill.RespawnLimit = 0;
@@ -125,6 +126,10 @@ void FMapInfoParser::ParseSkill ()
 		{
 			skill.EasyBossBrain = true;
 		}
+		else if (sc.Compare ("easykey"))
+		{
+			skill.EasyKey = true;
+		}
 		else if (sc.Compare("autousehealth"))
 		{
 			skill.AutoUseHealth = true;
@@ -351,6 +356,9 @@ int G_SkillProperty(ESkillProperty prop)
 		case SKILLP_EasyBossBrain:
 			return AllSkills[gameskill].EasyBossBrain;
 
+		case SKILLP_EasyKey:
+			return AllSkills[gameskill].EasyKey;
+
 		case SKILLP_SpawnFilter:
 			return AllSkills[gameskill].SpawnFilter;
 
@@ -428,6 +436,7 @@ FSkillInfo &FSkillInfo::operator=(const FSkillInfo &other)
 	DisableCheats = other.DisableCheats;
 	AutoUseHealth = other.AutoUseHealth;
 	EasyBossBrain = other.EasyBossBrain;
+	EasyKey = other.EasyKey;
 	RespawnCounter= other.RespawnCounter;
 	RespawnLimit= other.RespawnLimit;
 	Aggressiveness= other.Aggressiveness;
diff --git a/wadsrc/static/maparrows/ravenkey.txt b/wadsrc/static/maparrows/ravenkey.txt
new file mode 100644
index 0000000000..d66a64345c
--- /dev/null
+++ b/wadsrc/static/maparrows/ravenkey.txt
@@ -0,0 +1,9 @@
+( 0, 0 ), ( 0.25, -0.5 )
+( 0.25, -0.5 ), ( 0.5, -0.5 )
+( 0.5, -0.5 ), ( 0.5, 0.5 )
+( 0.5, 0.5 ), ( 0.25, 0.5 )
+( 0.25, 0.5 ), ( 0, 0 ) // handle part type thing
+( 0, 0 ), ( -1, 0 ) // stem
+( -1, 0 ), ( -1, -0.5 ) // end lockpick part
+( -0.75, 0 ), ( -0.75, -0.25 )
+
diff --git a/wadsrc/static/mapinfo/heretic.txt b/wadsrc/static/mapinfo/heretic.txt
index 84dd4552d4..196e81c502 100644
--- a/wadsrc/static/mapinfo/heretic.txt
+++ b/wadsrc/static/mapinfo/heretic.txt
@@ -75,6 +75,7 @@ skill baby
 	EasyBossBrain
 	SpawnFilter = Baby
 	Name = "$MNU_WETNURSE"
+	EasyKey
 }
 
 skill easy