Patch #2969 - Doom! Currently only working on the H300.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9312 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 1702 insertions, 0 deletions

diff --git a/apps/plugins/doom/am_map.c b/apps/plugins/doom/am_map.c
new file mode 100644
index 0000000000..9bdd4e4e70
--- /dev/null
+++ b/apps/plugins/doom/am_map.c
@@ -0,0 +1,1702 @@
+/* Emacs style mode select   -*- C++ -*-
+ *-----------------------------------------------------------------------------
+ *
+ *
+ *  PrBoom a Doom port merged with LxDoom and LSDLDoom
+ *  based on BOOM, a modified and improved DOOM engine
+ *  Copyright (C) 1999 by
+ *  id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
+ *  Copyright (C) 1999-2000 by
+ *  Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ *  02111-1307, USA.
+ *
+ * DESCRIPTION:
+ *   the automap code
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+#include "doomstat.h"
+
+#include "st_stuff.h"
+#include "r_main.h"
+#include "p_setup.h"
+#include "p_maputl.h"
+#include "w_wad.h"
+#include "v_video.h"
+#include "p_spec.h"
+#include "am_map.h"
+#include "dstrings.h"
+//#include "d_deh.h"    // Ty 03/27/98 - externalizations
+#include "g_game.h"
+#include "rockmacros.h"
+
+
+//jff 1/7/98 default automap colors added
+int mapcolor_back;    // map background
+int mapcolor_grid;    // grid lines color
+int mapcolor_wall;    // normal 1s wall color
+int mapcolor_fchg;    // line at floor height change color
+int mapcolor_cchg;    // line at ceiling height change color
+int mapcolor_clsd;    // line at sector with floor=ceiling color
+int mapcolor_rkey;    // red key color
+int mapcolor_bkey;    // blue key color
+int mapcolor_ykey;    // yellow key color
+int mapcolor_rdor;    // red door color  (diff from keys to allow option)
+int mapcolor_bdor;    // blue door color (of enabling one but not other )
+int mapcolor_ydor;    // yellow door color
+int mapcolor_tele;    // teleporter line color
+int mapcolor_secr;    // secret sector boundary color
+int mapcolor_exit;    // jff 4/23/98 add exit line color
+int mapcolor_unsn;    // computer map unseen line color
+int mapcolor_flat;    // line with no floor/ceiling changes
+int mapcolor_sprt;    // general sprite color
+int mapcolor_item;    // item sprite color
+int mapcolor_frnd;    // friendly sprite color
+int mapcolor_hair;    // crosshair color
+int mapcolor_sngl;    // single player arrow color
+int mapcolor_plyr[4] = { 112, 88, 64, 176 }; // colors for player arrows in multiplayer
+
+//jff 3/9/98 add option to not show secret sectors until entered
+int map_secret_after=0;
+//jff 4/3/98 add symbols for "no-color" for disable and "black color" for black
+#define NC 0
+#define BC 247
+
+// drawing stuff
+#define FB    0
+
+// scale on entry
+#define INITSCALEMTOF (.2*FRACUNIT)
+// how much the automap moves window per tic in frame-buffer coordinates
+// moves 140 pixels in 1 second
+#define F_PANINC  4
+// how much zoom-in per tic
+// goes to 2x in 1 second
+#define M_ZOOMIN        ((int) (1.02*FRACUNIT))
+// how much zoom-out per tic
+// pulls out to 0.5x in 1 second
+#define M_ZOOMOUT       ((int) (FRACUNIT/1.02))
+
+// translates between frame-buffer and map distances
+#define FTOM(x) FixedMul(((x)<<16),scale_ftom)
+#define MTOF(x) (FixedMul((x),scale_mtof)>>16)
+// translates between frame-buffer and map coordinates
+#define CXMTOF(x)  (f_x + MTOF((x)-m_x))
+#define CYMTOF(y)  (f_y + (f_h - MTOF((y)-m_y)))
+
+typedef struct
+{
+   int x, y;
+} fpoint_t;
+
+typedef struct
+{
+   fpoint_t a, b;
+} fline_t;
+
+typedef struct
+{
+   mpoint_t a, b;
+} mline_t;
+
+typedef struct
+{
+   fixed_t slp, islp;
+} islope_t;
+
+//
+// The vector graphics for the automap.
+//  A line drawing of the player pointing right,
+//   starting from the middle.
+//
+#define R ((8*PLAYERRADIUS)/7)
+mline_t player_arrow[] =
+   {
+      { { -R+R/8, 0 }, { R, 0 } }, // -----
+      { { R, 0 }, { R-R/2, R/4 } },  // ----->
+      { { R, 0 }, { R-R/2, -R/4 } },
+      { { -R+R/8, 0 }, { -R-R/8, R/4 } }, // >---->
+      { { -R+R/8, 0 }, { -R-R/8, -R/4 } },
+      { { -R+3*R/8, 0 }, { -R+R/8, R/4 } }, // >>--->
+      { { -R+3*R/8, 0 }, { -R+R/8, -R/4 } }
+   };
+#undef R
+#define NUMPLYRLINES (sizeof(player_arrow)/sizeof(mline_t))
+
+#define R ((8*PLAYERRADIUS)/7)
+mline_t cheat_player_arrow[] =
+   { // killough 3/22/98: He's alive, Jim :)
+      { { -R+R/8, 0 }, { R, 0 } }, // -----
+      { { R, 0 }, { R-R/2, R/4 } },  // ----->
+      { { R, 0 }, { R-R/2, -R/4 } },
+      { { -R+R/8, 0 }, { -R-R/8, R/4 } }, // >---->
+      { { -R+R/8, 0 }, { -R-R/8, -R/4 } },
+      { { -R+3*R/8, 0 }, { -R+R/8, R/4 } }, // >>--->
+      { { -R+3*R/8, 0 }, { -R+R/8, -R/4 } },
+      { { -R/10-R/6, R/4}, {-R/10-R/6, -R/4} },  // J
+      { { -R/10-R/6, -R/4}, {-R/10-R/6-R/8, -R/4} },
+      { { -R/10-R/6-R/8, -R/4}, {-R/10-R/6-R/8, -R/8} },
+      { { -R/10, R/4}, {-R/10, -R/4}},           // F
+      { { -R/10, R/4}, {-R/10+R/8, R/4}},
+      { { -R/10+R/4, R/4}, {-R/10+R/4, -R/4}},   // F
+      { { -R/10+R/4, R/4}, {-R/10+R/4+R/8, R/4}},
+   };
+#undef R
+#define NUMCHEATPLYRLINES (sizeof(cheat_player_arrow)/sizeof(mline_t))
+
+#define R (FRACUNIT)
+mline_t triangle_guy[] =
+   {
+      { { (fixed_t)(-.867*R), (fixed_t)(-.5*R) }, { (fixed_t)( .867*R), (fixed_t)(-.5*R) } },
+      { { (fixed_t)( .867*R), (fixed_t)(-.5*R) }, { (fixed_t)(0      ), (fixed_t)(    R) } },
+      { { (fixed_t)(0      ), (fixed_t)(    R) }, { (fixed_t)(-.867*R), (fixed_t)(-.5*R) } }
+   };
+#undef R
+#define NUMTRIANGLEGUYLINES (sizeof(triangle_guy)/sizeof(mline_t))
+
+//jff 1/5/98 new symbol for keys on automap
+#define R (FRACUNIT)
+mline_t cross_mark[] =
+   {
+      { { -R, 0 }, { R, 0} },
+      { { 0, -R }, { 0, R } },
+   };
+#undef R
+#define NUMCROSSMARKLINES (sizeof(cross_mark)/sizeof(mline_t))
+//jff 1/5/98 end of new symbol
+
+#define R (FRACUNIT)
+mline_t thintriangle_guy[] =
+   {
+      { { (fixed_t)(-.5*R), (fixed_t)(-.7*R) }, { (fixed_t)(    R), (fixed_t)(    0) } },
+      { { (fixed_t)(    R), (fixed_t)(    0) }, { (fixed_t)(-.5*R), (fixed_t)( .7*R) } },
+      { { (fixed_t)(-.5*R), (fixed_t)( .7*R) }, { (fixed_t)(-.5*R), (fixed_t)(-.7*R) } }
+   };
+#undef R
+#define NUMTHINTRIANGLEGUYLINES (sizeof(thintriangle_guy)/sizeof(mline_t))
+
+int ddt_cheating = 0;         // killough 2/7/98: make global, rename to ddt_*
+
+static int leveljuststarted = 1;       // kluge until AM_LevelInit() is called
+
+enum automapmode_e automapmode; // Mode that the automap is in
+
+// location of window on screen
+static int  f_x;
+static int  f_y;
+
+// size of window on screen
+static int  f_w;
+static int  f_h;
+
+static mpoint_t m_paninc;    // how far the window pans each tic (map coords)
+static fixed_t mtof_zoommul; // how far the window zooms each tic (map coords)
+static fixed_t ftom_zoommul; // how far the window zooms each tic (fb coords)
+
+static fixed_t m_x, m_y;     // LL x,y window location on the map (map coords)
+static fixed_t m_x2, m_y2;   // UR x,y window location on the map (map coords)
+
+//
+// width/height of window on map (map coords)
+//
+static fixed_t  m_w;
+static fixed_t  m_h;
+
+// based on level size
+static fixed_t  min_x;
+static fixed_t  min_y;
+static fixed_t  max_x;
+static fixed_t  max_y;
+
+static fixed_t  max_w;          // max_x-min_x,
+static fixed_t  max_h;          // max_y-min_y
+
+// based on player size
+static fixed_t  min_w;
+static fixed_t  min_h;
+
+
+static fixed_t  min_scale_mtof; // used to tell when to stop zooming out
+static fixed_t  max_scale_mtof; // used to tell when to stop zooming in
+
+// old stuff for recovery later
+static fixed_t old_m_w, old_m_h;
+static fixed_t old_m_x, old_m_y;
+
+// old location used by the Follower routine
+static mpoint_t f_oldloc;
+
+// used by MTOF to scale from map-to-frame-buffer coords
+static fixed_t scale_mtof = (fixed_t)INITSCALEMTOF;
+// used by FTOM to scale from frame-buffer-to-map coords (=1/scale_mtof)
+static fixed_t scale_ftom;
+
+static player_t *plr;           // the player represented by an arrow
+
+// killough 2/22/98: Remove limit on automap marks,
+// and make variables external for use in savegames.
+
+mpoint_t *markpoints = NULL;    // where the points are
+int markpointnum = 0; // next point to be assigned (also number of points now)
+int markpointnum_max = 0;       // killough 2/22/98
+
+static boolean stopped = true;
+
+//
+// AM_getIslope()
+//
+// Calculates the slope and slope according to the x-axis of a line
+// segment in map coordinates (with the upright y-axis n' all) so
+// that it can be used with the brain-dead drawing stuff.
+//
+// Passed the line slope is desired for and an islope_t structure for return
+// Returns nothing
+//
+void AM_getIslope
+( mline_t*  ml,
+  islope_t* is )
+{
+   int dx, dy;
+
+   dy = ml->a.y - ml->b.y;
+   dx = ml->b.x - ml->a.x;
+   if (!dy)
+      is->islp = (dx<0?-INT_MAX:INT_MAX);
+   else
+      is->islp = FixedDiv(dx, dy);
+   if (!dx)
+      is->slp = (dy<0?-INT_MAX:INT_MAX);
+   else
+      is->slp = FixedDiv(dy, dx);
+}
+
+//
+// AM_activateNewScale()
+//
+// Changes the map scale after zooming or translating
+//
+// Passed nothing, returns nothing
+//
+void AM_activateNewScale(void)
+{
+   m_x += m_w/2;
+   m_y += m_h/2;
+   m_w = FTOM(f_w);
+   m_h = FTOM(f_h);
+   m_x -= m_w/2;
+   m_y -= m_h/2;
+   m_x2 = m_x + m_w;
+   m_y2 = m_y + m_h;
+}
+
+//
+// AM_saveScaleAndLoc()
+//
+// Saves the current center and zoom
+// Affects the variables that remember old scale and loc
+//
+// Passed nothing, returns nothing
+//
+void AM_saveScaleAndLoc(void)
+{
+   old_m_x = m_x;
+   old_m_y = m_y;
+   old_m_w = m_w;
+   old_m_h = m_h;
+}
+
+//
+// AM_restoreScaleAndLoc()
+//
+// restores the center and zoom from locally saved values
+// Affects global variables for location and scale
+//
+// Passed nothing, returns nothing
+//
+void AM_restoreScaleAndLoc(void)
+{
+   m_w = old_m_w;
+   m_h = old_m_h;
+   if (!(automapmode & am_follow))
+   {
+      m_x = old_m_x;
+      m_y = old_m_y;
+   }
+   else
+   {
+      m_x = plr->mo->x - m_w/2;
+      m_y = plr->mo->y - m_h/2;
+   }
+   m_x2 = m_x + m_w;
+   m_y2 = m_y + m_h;
+
+   // Change the scaling multipliers
+   scale_mtof = FixedDiv(f_w<<FRACBITS, m_w);
+   scale_ftom = FixedDiv(FRACUNIT, scale_mtof);
+}
+
+//
+// AM_addMark()
+//
+// Adds a marker at the current location
+// Affects global variables for marked points
+//
+// Passed nothing, returns nothing
+//
+void AM_addMark(void)
+{
+   // killough 2/22/98:
+   // remove limit on automap marks
+
+   if (markpointnum >= markpointnum_max)
+      markpoints = realloc(markpoints,
+                           (markpointnum_max = markpointnum_max ?
+                                               markpointnum_max*2 : 16) * sizeof(*markpoints));
+
+   markpoints[markpointnum].x = m_x + m_w/2;
+   markpoints[markpointnum].y = m_y + m_h/2;
+   markpointnum++;
+}
+
+//
+// AM_findMinMaxBoundaries()
+//
+// Determines bounding box of all vertices,
+// sets global variables controlling zoom range.
+//
+// Passed nothing, returns nothing
+//
+void AM_findMinMaxBoundaries(void)
+{
+   int i;
+   fixed_t a;
+   fixed_t b;
+
+   min_x = min_y =  INT_MAX;
+   max_x = max_y = -INT_MAX;
+
+   for (i=0;i<numvertexes;i++)
+   {
+      if (vertexes[i].x < min_x)
+         min_x = vertexes[i].x;
+      else if (vertexes[i].x > max_x)
+         max_x = vertexes[i].x;
+
+      if (vertexes[i].y < min_y)
+         min_y = vertexes[i].y;
+      else if (vertexes[i].y > max_y)
+         max_y = vertexes[i].y;
+   }
+
+   max_w = max_x - min_x;
+   max_h = max_y - min_y;
+
+   min_w = 2*PLAYERRADIUS; // const? never changed?
+   min_h = 2*PLAYERRADIUS;
+
+   a = FixedDiv(f_w<<FRACBITS, max_w);
+   b = FixedDiv(f_h<<FRACBITS, max_h);
+
+   min_scale_mtof = a < b ? a : b;
+   max_scale_mtof = FixedDiv(f_h<<FRACBITS, 2*PLAYERRADIUS);
+}
+
+//
+// AM_changeWindowLoc()
+//
+// Moves the map window by the global variables m_paninc.x, m_paninc.y
+//
+// Passed nothing, returns nothing
+//
+void AM_changeWindowLoc(void)
+{
+   if (m_paninc.x || m_paninc.y)
+   {
+      automapmode &= ~am_follow;
+      f_oldloc.x = INT_MAX;
+   }
+
+   m_x += m_paninc.x;
+   m_y += m_paninc.y;
+
+   if (m_x + m_w/2 > max_x)
+      m_x = max_x - m_w/2;
+   else if (m_x + m_w/2 < min_x)
+      m_x = min_x - m_w/2;
+
+   if (m_y + m_h/2 > max_y)
+      m_y = max_y - m_h/2;
+   else if (m_y + m_h/2 < min_y)
+      m_y = min_y - m_h/2;
+
+   m_x2 = m_x + m_w;
+   m_y2 = m_y + m_h;
+}
+
+
+//
+// AM_initVariables()
+//
+// Initialize the variables for the automap
+//
+// Affects the automap global variables
+// Status bar is notified that the automap has been entered
+// Passed nothing, returns nothing
+//
+void AM_initVariables(void)
+{
+   int pnum;
+   static event_t st_notify = { ev_keyup, AM_MSGENTERED, 0 , 0 };
+
+   automapmode |= am_active;
+
+   f_oldloc.x = INT_MAX;
+
+   m_paninc.x = m_paninc.y = 0;
+   ftom_zoommul = FRACUNIT;
+   mtof_zoommul = FRACUNIT;
+
+   m_w = FTOM(f_w);
+   m_h = FTOM(f_h);
+
+   // find player to center on initially
+   if (!playeringame[pnum = consoleplayer])
+      for (pnum=0;pnum<MAXPLAYERS;pnum++)
+         if (playeringame[pnum])
+            break;
+
+   plr = &players[pnum];
+   m_x = plr->mo->x - m_w/2;
+   m_y = plr->mo->y - m_h/2;
+   AM_changeWindowLoc();
+
+   // for saving & restoring
+   old_m_x = m_x;
+   old_m_y = m_y;
+   old_m_w = m_w;
+   old_m_h = m_h;
+
+   // inform the status bar of the change
+   ST_Responder(&st_notify);
+}
+
+//
+// AM_loadPics()
+//
+void AM_loadPics(void)
+{
+   // cph - mark numbers no longer needed cached
+}
+
+//
+// AM_unloadPics()
+//
+void AM_unloadPics(void)
+{
+   // cph - mark numbers no longer needed cached
+}
+
+//
+// AM_clearMarks()
+//
+// Sets the number of marks to 0, thereby clearing them from the display
+//
+// Affects the global variable markpointnum
+// Passed nothing, returns nothing
+//
+void AM_clearMarks(void)
+{
+   markpointnum = 0;
+}
+
+//
+// AM_LevelInit()
+//
+// Initialize the automap at the start of a new level
+// should be called at the start of every level
+//
+// Passed nothing, returns nothing
+// Affects automap's global variables
+//
+// CPhipps - get status bar height from status bar code
+void AM_LevelInit(void)
+{
+   leveljuststarted = 0;
+
+   f_x = f_y = 0;
+   f_w = SCREENWIDTH;           // killough 2/7/98: get rid of finit_ vars
+   f_h = SCREENHEIGHT-ST_SCALED_HEIGHT;// to allow runtime setting of width/height
+
+   AM_findMinMaxBoundaries();
+   scale_mtof = FixedDiv(min_scale_mtof, (int) (0.7*FRACUNIT));
+   if (scale_mtof > max_scale_mtof)
+      scale_mtof = min_scale_mtof;
+   scale_ftom = FixedDiv(FRACUNIT, scale_mtof);
+}
+
+//
+// AM_Stop()
+//
+// Cease automap operations, unload patches, notify status bar
+//
+// Passed nothing, returns nothing
+//
+void AM_Stop (void)
+{
+   static event_t st_notify = { 0, ev_keyup, AM_MSGEXITED, 0 };
+
+   AM_unloadPics();
+   automapmode &= ~am_active;
+   ST_Responder(&st_notify);
+   stopped = true;
+}
+
+//
+// AM_Start()
+//
+// Start up automap operations,
+//  if a new level, or game start, (re)initialize level variables
+//  init map variables
+//  load mark patches
+//
+// Passed nothing, returns nothing
+//
+void AM_Start()
+{
+   static int lastlevel = -1, lastepisode = -1;
+
+   if (!stopped)
+      AM_Stop();
+   stopped = false;
+   if (lastlevel != gamemap || lastepisode != gameepisode)
+   {
+      AM_LevelInit();
+      lastlevel = gamemap;
+      lastepisode = gameepisode;
+   }
+   AM_initVariables();
+   AM_loadPics();
+}
+
+//
+// AM_minOutWindowScale()
+//
+// Set the window scale to the maximum size
+//
+// Passed nothing, returns nothing
+//
+void AM_minOutWindowScale()
+{
+   scale_mtof = min_scale_mtof;
+   scale_ftom = FixedDiv(FRACUNIT, scale_mtof);
+   AM_activateNewScale();
+}
+
+//
+// AM_maxOutWindowScale(void)
+//
+// Set the window scale to the minimum size
+//
+// Passed nothing, returns nothing
+//
+void AM_maxOutWindowScale(void)
+{
+   scale_mtof = max_scale_mtof;
+   scale_ftom = FixedDiv(FRACUNIT, scale_mtof);
+   AM_activateNewScale();
+}
+
+//
+// AM_Responder()
+//
+// Handle events (user inputs) in automap mode
+//
+// Passed an input event, returns true if its handled
+//
+boolean AM_Responder
+( event_t*  ev )
+{
+   int rc;
+   static int cheatstate=0;
+   static int bigstate=0;
+   static char buffer[20];
+   int ch;                                                       // phares
+
+   rc = false;
+
+   if (!(automapmode & am_active))
+   {
+      if (ev->type == ev_keydown && ev->data1 == key_map)         // phares
+      {
+         AM_Start ();
+         rc = true;
+      }
+   }
+   else if (ev->type == ev_keydown)
+   {
+      rc = true;
+      ch = ev->data1;                                             // phares
+      if (ch == key_map_right)                                    //    |
+         if (!(automapmode & am_follow))                           //    V
+            m_paninc.x = FTOM(F_PANINC);
+         else
+            rc = false;
+      else if (ch == key_map_left)
+         if (!(automapmode & am_follow))
+            m_paninc.x = -FTOM(F_PANINC);
+         else
+            rc = false;
+      else if (ch == key_map_up)
+         if (!(automapmode & am_follow))
+            m_paninc.y = FTOM(F_PANINC);
+         else
+            rc = false;
+      else if (ch == key_map_down)
+         if (!(automapmode & am_follow))
+            m_paninc.y = -FTOM(F_PANINC);
+         else
+            rc = false;
+      else if (ch == key_map_zoomout)
+      {
+         mtof_zoommul = M_ZOOMOUT;
+         ftom_zoommul = M_ZOOMIN;
+      }
+      else if (ch == key_map_zoomin)
+      {
+         mtof_zoommul = M_ZOOMIN;
+         ftom_zoommul = M_ZOOMOUT;
+      }
+      else if (ch == key_map)
+      {
+         bigstate = 0;
+         AM_Stop ();
+      }
+      else if (ch == key_map_gobig)
+      {
+         bigstate = !bigstate;
+         if (bigstate)
+         {
+            AM_saveScaleAndLoc();
+            AM_minOutWindowScale();
+         }
+         else
+            AM_restoreScaleAndLoc();
+      }
+      else if (ch == key_map_follow)
+      {
+         automapmode ^= am_follow;     // CPhipps - put all automap mode stuff into one enum
+         f_oldloc.x = INT_MAX;
+         // Ty 03/27/98 - externalized
+         plr->message = (automapmode & am_follow) ? AMSTR_FOLLOWON : AMSTR_FOLLOWOFF;
+      }
+      else if (ch == key_map_grid)
+      {
+         automapmode ^= am_grid;      // CPhipps
+         // Ty 03/27/98 - *not* externalized
+         plr->message = (automapmode & am_grid) ? AMSTR_GRIDON : AMSTR_GRIDOFF;
+      }
+      else if (ch == key_map_mark)
+      {
+         // Ty 03/27/98 - *not* externalized
+         snprintf(buffer, sizeof(buffer), "%s %d", AMSTR_MARKEDSPOT, markpointnum);
+         plr->message = buffer;
+         AM_addMark();
+      }
+      else if (ch == key_map_clear)
+      {
+         AM_clearMarks();  // Ty 03/27/98 - *not* externalized
+         plr->message = AMSTR_MARKSCLEARED;                      //    ^
+      }                                                           //    |
+      else if (ch == key_map_rotate) {
+         automapmode ^= am_rotate;
+         plr->message = (automapmode & am_rotate) ? AMSTR_ROTATEON : AMSTR_ROTATEOFF;
+      }
+      else if (ch == key_map_overlay) {
+         automapmode ^= am_overlay;
+         plr->message = (automapmode & am_overlay) ? AMSTR_OVERLAYON : AMSTR_OVERLAYOFF;
+      }
+      else                                                        // phares
+      {
+         cheatstate=0;
+         rc = false;
+      }
+   }
+   else if (ev->type == ev_keyup)
+   {
+      rc = false;
+      ch = ev->data1;
+      if (ch == key_map_right)
+      {
+         if (!(automapmode & am_follow))
+            m_paninc.x = 0;
+      }
+      else if (ch == key_map_left)
+      {
+         if (!(automapmode & am_follow))
+            m_paninc.x = 0;
+      }
+      else if (ch == key_map_up)
+      {
+         if (!(automapmode & am_follow))
+            m_paninc.y = 0;
+      }
+      else if (ch == key_map_down)
+      {
+         if (!(automapmode & am_follow))
+            m_paninc.y = 0;
+      }
+      else if ((ch == key_map_zoomout) || (ch == key_map_zoomin))
+      {
+         mtof_zoommul = FRACUNIT;
+         ftom_zoommul = FRACUNIT;
+      }
+   }
+   return rc;
+}
+
+//
+// AM_rotate()
+//
+// Rotation in 2D.
+// Used to rotate player arrow line character.
+//
+// Passed the coordinates of a point, and an angle
+// Returns the coordinates rotated by the angle
+//
+// CPhipps - made static & enhanced for automap rotation
+
+static void AM_rotate(fixed_t* x,  fixed_t* y, angle_t a, fixed_t xorig, fixed_t yorig)
+{
+   fixed_t tmpx;
+
+   tmpx =
+      FixedMul(*x - xorig,finecosine[a>>ANGLETOFINESHIFT])
+      - FixedMul(*y - yorig,finesine[a>>ANGLETOFINESHIFT]);
+
+   *y   = yorig +
+          FixedMul(*x - xorig,finesine[a>>ANGLETOFINESHIFT])
+          + FixedMul(*y - yorig,finecosine[a>>ANGLETOFINESHIFT]);
+
+   *x = tmpx + xorig;
+}
+
+//
+// AM_changeWindowScale()
+//
+// Automap zooming
+//
+// Passed nothing, returns nothing
+//
+void AM_changeWindowScale(void)
+{
+   // Change the scaling multipliers
+   scale_mtof = FixedMul(scale_mtof, mtof_zoommul);
+   scale_ftom = FixedDiv(FRACUNIT, scale_mtof);
+
+   if (scale_mtof < min_scale_mtof)
+      AM_minOutWindowScale();
+   else if (scale_mtof > max_scale_mtof)
+      AM_maxOutWindowScale();
+   else
+      AM_activateNewScale();
+}
+
+//
+// AM_doFollowPlayer()
+//
+// Turn on follow mode - the map scrolls opposite to player motion
+//
+// Passed nothing, returns nothing
+//
+void AM_doFollowPlayer(void)
+{
+   if (f_oldloc.x != plr->mo->x || f_oldloc.y != plr->mo->y)
+   {
+      m_x = FTOM(MTOF(plr->mo->x)) - m_w/2;
+      m_y = FTOM(MTOF(plr->mo->y)) - m_h/2;
+      m_x2 = m_x + m_w;
+      m_y2 = m_y + m_h;
+      f_oldloc.x = plr->mo->x;
+      f_oldloc.y = plr->mo->y;
+   }
+}
+
+//
+// AM_Ticker()
+//
+// Updates on gametic - enter follow mode, zoom, or change map location
+//
+// Passed nothing, returns nothing
+//
+void AM_Ticker (void)
+{
+   if (!(automapmode & am_active))
+      return;
+
+   if (automapmode & am_follow)
+      AM_doFollowPlayer();
+
+   // Change the zoom if necessary
+   if (ftom_zoommul != FRACUNIT)
+      AM_changeWindowScale();
+
+   // Change x,y location
+   if (m_paninc.x || m_paninc.y)
+      AM_changeWindowLoc();
+}
+
+//
+// AM_clipMline()
+//
+// Automap clipping of lines.
+//
+// Based on Cohen-Sutherland clipping algorithm but with a slightly
+// faster reject and precalculated slopes. If the speed is needed,
+// use a hash algorithm to handle the common cases.
+//
+// Passed the line's coordinates on map and in the frame buffer performs
+// clipping on them in the lines frame coordinates.
+// Returns true if any part of line was not clipped
+//
+boolean AM_clipMline
+( mline_t*  ml,
+  fline_t*  fl )
+{
+   enum
+   {
+      LEFT    =1,
+      RIGHT   =2,
+      BOTTOM  =4,
+      TOP     =8
+   };
+
+   register int outcode1 = 0;
+   register int outcode2 = 0;
+   register int outside;
+
+   fpoint_t  tmp;
+   int   dx;
+   int   dy;
+
+
+#define DOOUTCODE(oc, mx, my) \
+  (oc) = 0; \
+  if ((my) < 0) (oc) |= TOP; \
+  else if ((my) >= f_h) (oc) |= BOTTOM; \
+  if ((mx) < 0) (oc) |= LEFT; \
+  else if ((mx) >= f_w) (oc) |= RIGHT;
+
+
+   // do trivial rejects and outcodes
+   if (ml->a.y > m_y2)
+      outcode1 = TOP;
+   else if (ml->a.y < m_y)
+      outcode1 = BOTTOM;
+
+   if (ml->b.y > m_y2)
+      outcode2 = TOP;
+   else if (ml->b.y < m_y)
+      outcode2 = BOTTOM;
+
+   if (outcode1 & outcode2)
+      return false; // trivially outside
+
+   if (ml->a.x < m_x)
+      outcode1 |= LEFT;
+   else if (ml->a.x > m_x2)
+      outcode1 |= RIGHT;
+
+   if (ml->b.x < m_x)
+      outcode2 |= LEFT;
+   else if (ml->b.x > m_x2)
+      outcode2 |= RIGHT;
+
+   if (outcode1 & outcode2)
+      return false; // trivially outside
+
+   // transform to frame-buffer coordinates.
+   fl->a.x = CXMTOF(ml->a.x);
+   fl->a.y = CYMTOF(ml->a.y);
+   fl->b.x = CXMTOF(ml->b.x);
+   fl->b.y = CYMTOF(ml->b.y);
+
+   DOOUTCODE(outcode1, fl->a.x, fl->a.y);
+   DOOUTCODE(outcode2, fl->b.x, fl->b.y);
+
+   if (outcode1 & outcode2)
+      return false;
+
+   while (outcode1 | outcode2)
+   {
+      // may be partially inside box
+      // find an outside point
+      if (outcode1)
+         outside = outcode1;
+      else
+         outside = outcode2;
+
+      // clip to each side
+      if (outside & TOP)
+      {
+         dy = fl->a.y - fl->b.y;
+         dx = fl->b.x - fl->a.x;
+         tmp.x = fl->a.x + (dx*(fl->a.y))/dy;
+         tmp.y = 0;
+      }
+      else if (outside & BOTTOM)
+      {
+         dy = fl->a.y - fl->b.y;
+         dx = fl->b.x - fl->a.x;
+         tmp.x = fl->a.x + (dx*(fl->a.y-f_h))/dy;
+         tmp.y = f_h-1;
+      }
+      else if (outside & RIGHT)
+      {
+         dy = fl->b.y - fl->a.y;
+         dx = fl->b.x - fl->a.x;
+         tmp.y = fl->a.y + (dy*(f_w-1 - fl->a.x))/dx;
+         tmp.x = f_w-1;
+      }
+      else if (outside & LEFT)
+      {
+         dy = fl->b.y - fl->a.y;
+         dx = fl->b.x - fl->a.x;
+         tmp.y = fl->a.y + (dy*(-fl->a.x))/dx;
+         tmp.x = 0;
+      }
+
+      if (outside == outcode1)
+      {
+         fl->a = tmp;
+         DOOUTCODE(outcode1, fl->a.x, fl->a.y);
+      }
+      else
+      {
+         fl->b = tmp;
+         DOOUTCODE(outcode2, fl->b.x, fl->b.y);
+      }
+
+      if (outcode1 & outcode2)
+         return false; // trivially outside
+   }
+
+   return true;
+}
+#undef DOOUTCODE
+
+//
+// AM_drawFline()
+//
+// Draw a line in the frame buffer.
+// Classic Bresenham w/ whatever optimizations needed for speed
+//
+// Passed the frame coordinates of line, and the color to be drawn
+// Returns nothing
+//
+
+void AM_drawFline
+( fline_t*  fl,
+  int   color )
+{
+   register int x;
+   register int y;
+   register int dx;
+   register int dy;
+   register int sx;
+   register int sy;
+   register int ax;
+   register int ay;
+   register int d;
+
+#ifdef RANGECHECK         // killough 2/22/98
+   static int fuck = 0;
+
+   // For debugging only
+   if
+   (
+      fl->a.x < 0 || fl->a.x >= f_w
+      || fl->a.y < 0 || fl->a.y >= f_h
+      || fl->b.x < 0 || fl->b.x >= f_w
+      || fl->b.y < 0 || fl->b.y >= f_h
+   )
+   {
+      //jff 8/3/98 use logical output routine
+      printf("fuck %d \r", fuck++);
+      return;
+   }
+#endif
+
+#define PUTDOT(xx,yy,cc) V_PlotPixel(FB,xx,yy,(byte)cc)
+
+   dx = fl->b.x - fl->a.x;
+   ax = 2 * (dx<0 ? -dx : dx);
+   sx = dx<0 ? -1 : 1;
+
+   dy = fl->b.y - fl->a.y;
+   ay = 2 * (dy<0 ? -dy : dy);
+   sy = dy<0 ? -1 : 1;
+
+   x = fl->a.x;
+   y = fl->a.y;
+
+   if (ax > ay)
+   {
+      d = ay - ax/2;
+      while (1)
+      {
+         PUTDOT(x,y,color);
+         if (x == fl->b.x) return;
+         if (d>=0)
+         {
+            y += sy;
+            d -= ax;
+         }
+         x += sx;
+         d += ay;
+      }
+   }
+   else
+   {
+      d = ax - ay/2;
+      while (1)
+      {
+         PUTDOT(x, y, color);
+         if (y == fl->b.y) return;
+         if (d >= 0)
+         {
+            x += sx;
+            d -= ay;
+         }
+         y += sy;
+         d += ax;
+      }
+   }
+}
+
+
+//
+// AM_drawMline()
+//
+// Clip lines, draw visible parts of lines.
+//
+// Passed the map coordinates of the line, and the color to draw it
+// Color -1 is special and prevents drawing. Color 247 is special and
+// is translated to black, allowing Color 0 to represent feature disable
+// in the defaults file.
+// Returns nothing.
+//
+void AM_drawMline
+( mline_t*  ml,
+  int   color )
+{
+   static fline_t fl;
+
+   if (color==-1)  // jff 4/3/98 allow not drawing any sort of line
+      return;       // by setting its color to -1
+   if (color==247) // jff 4/3/98 if color is 247 (xparent), use black
+      color=0;
+
+   if (AM_clipMline(ml, &fl))
+      AM_drawFline(&fl, color); // draws it on frame buffer using fb coords
+}
+
+//
+// AM_drawGrid()
+//
+// Draws blockmap aligned grid lines.
+//
+// Passed the color to draw the grid lines
+// Returns nothing
+//
+void AM_drawGrid(int color)
+{
+   fixed_t x, y;
+   fixed_t start, end;
+   mline_t ml;
+
+   // Figure out start of vertical gridlines
+   start = m_x;
+   if ((start-bmaporgx)%(MAPBLOCKUNITS<<FRACBITS))
+      start += (MAPBLOCKUNITS<<FRACBITS)
+               - ((start-bmaporgx)%(MAPBLOCKUNITS<<FRACBITS));
+   end = m_x + m_w;
+
+   // draw vertical gridlines
+   ml.a.y = m_y;
+   ml.b.y = m_y+m_h;
+   for (x=start; x<end; x+=(MAPBLOCKUNITS<<FRACBITS))
+   {
+      ml.a.x = x;
+      ml.b.x = x;
+      AM_drawMline(&ml, color);
+   }
+
+   // Figure out start of horizontal gridlines
+   start = m_y;
+   if ((start-bmaporgy)%(MAPBLOCKUNITS<<FRACBITS))
+      start += (MAPBLOCKUNITS<<FRACBITS)
+               - ((start-bmaporgy)%(MAPBLOCKUNITS<<FRACBITS));
+   end = m_y + m_h;
+
+   // draw horizontal gridlines
+   ml.a.x = m_x;
+   ml.b.x = m_x + m_w;
+   for (y=start; y<end; y+=(MAPBLOCKUNITS<<FRACBITS))
+   {
+      ml.a.y = y;
+      ml.b.y = y;
+      AM_drawMline(&ml, color);
+   }
+}
+
+//
+// AM_DoorColor()
+//
+// Returns the 'color' or key needed for a door linedef type
+//
+// Passed the type of linedef, returns:
+//   -1 if not a keyed door
+//    0 if a red key required
+//    1 if a blue key required
+//    2 if a yellow key required
+//    3 if a multiple keys required
+//
+// jff 4/3/98 add routine to get color of generalized keyed door
+//
+int AM_DoorColor(int type)
+{
+   if (GenLockedBase <= type && type< GenDoorBase)
+   {
+      type -= GenLockedBase;
+      type = (type & LockedKey) >> LockedKeyShift;
+      if (!type || type==7)
+         return 3;  //any or all keys
+      else return (type-1)%3;
+   }
+   switch (type)  // closed keyed door
+   {
+case 26: case 32: case 99: case 133:
+      /*bluekey*/
+      return 1;
+case 27: case 34: case 136: case 137:
+      /*yellowkey*/
+      return 2;
+case 28: case 33: case 134: case 135:
+      /*redkey*/
+      return 0;
+   default:
+      return -1; //not a keyed door
+   }
+   return -1;     //not a keyed door
+}
+
+//
+// Determines visible lines, draws them.
+// This is LineDef based, not LineSeg based.
+//
+// jff 1/5/98 many changes in this routine
+// backward compatibility not needed, so just changes, no ifs
+// addition of clauses for:
+//    doors opening, keyed door id, secret sectors,
+//    teleports, exit lines, key things
+// ability to suppress any of added features or lines with no height changes
+//
+// support for gamma correction in automap abandoned
+//
+// jff 4/3/98 changed mapcolor_xxxx=0 as control to disable feature
+// jff 4/3/98 changed mapcolor_xxxx=-1 to disable drawing line completely
+//
+void AM_drawWalls(void)
+{
+   int i;
+   static mline_t l;
+
+   // draw the unclipped visible portions of all lines
+   for (i=0;i<numlines;i++)
+   {
+      l.a.x = lines[i].v1->x;
+      l.a.y = lines[i].v1->y;
+      l.b.x = lines[i].v2->x;
+      l.b.y = lines[i].v2->y;
+
+      if (automapmode & am_rotate) {
+         AM_rotate(&l.a.x, &l.a.y, ANG90-plr->mo->angle, plr->mo->x, plr->mo->y);
+         AM_rotate(&l.b.x, &l.b.y, ANG90-plr->mo->angle, plr->mo->x, plr->mo->y);
+      }
+
+      // if line has been seen or IDDT has been used
+      if (ddt_cheating || (lines[i].flags & ML_MAPPED))
+      {
+         if ((lines[i].flags & ML_DONTDRAW) && !ddt_cheating)
+            continue;
+         {
+            /* cph - show keyed doors and lines */
+            int amd;
+            if ((mapcolor_bdor || mapcolor_ydor || mapcolor_rdor) &&
+                  !(lines[i].flags & ML_SECRET) &&    /* non-secret */
+                  (amd = AM_DoorColor(lines[i].special)) != -1
+               )
+            {
+               {
+                  switch (amd) /* closed keyed door */
+                  {
+                  case 1:
+                     /*bluekey*/
+                     AM_drawMline(&l,
+                                  mapcolor_bdor? mapcolor_bdor : mapcolor_cchg);
+                     continue;
+                  case 2:
+                     /*yellowkey*/
+                     AM_drawMline(&l,
+                                  mapcolor_ydor? mapcolor_ydor : mapcolor_cchg);
+                     continue;
+                  case 0:
+                     /*redkey*/
+                     AM_drawMline(&l,
+                                  mapcolor_rdor? mapcolor_rdor : mapcolor_cchg);
+                     continue;
+                  case 3:
+                     /*any or all*/
+                     AM_drawMline(&l,
+                                  mapcolor_clsd? mapcolor_clsd : mapcolor_cchg);
+                     continue;
+                  }
+               }
+            }
+         }
+         if /* jff 4/23/98 add exit lines to automap */
+         (
+            mapcolor_exit &&
+            (
+               lines[i].special==11 ||
+               lines[i].special==52 ||
+               lines[i].special==197 ||
+               lines[i].special==51  ||
+               lines[i].special==124 ||
+               lines[i].special==198
+            )
+         ) {
+            AM_drawMline(&l, mapcolor_exit); /* exit line */
+            continue;
+         }
+
+         if (!lines[i].backsector)
+         {
+            // jff 1/10/98 add new color for 1S secret sector boundary
+            if (mapcolor_secr && //jff 4/3/98 0 is disable
+                  (
+                     (
+                        map_secret_after &&
+                        P_WasSecret(lines[i].frontsector) &&
+                        !P_IsSecret(lines[i].frontsector)
+                     )
+                     ||
+                     (
+                        !map_secret_after &&
+                        P_WasSecret(lines[i].frontsector)
+                     )
+                  )
+               )
+               AM_drawMline(&l, mapcolor_secr); // line bounding secret sector
+            else                               //jff 2/16/98 fixed bug
+               AM_drawMline(&l, mapcolor_wall); // special was cleared
+         }
+         else /* now for 2S lines */
+         {
+            // jff 1/10/98 add color change for all teleporter types
+            if
+            (
+               mapcolor_tele && !(lines[i].flags & ML_SECRET) &&
+               (lines[i].special == 39 || lines[i].special == 97 ||
+                lines[i].special == 125 || lines[i].special == 126)
+            )
+            { // teleporters
+               AM_drawMline(&l, mapcolor_tele);
+            }
+            else if (lines[i].flags & ML_SECRET)    // secret door
+            {
+               AM_drawMline(&l, mapcolor_wall);      // wall color
+            }
+            else if
+            (
+               mapcolor_clsd &&
+               !(lines[i].flags & ML_SECRET) &&    // non-secret closed door
+               ((lines[i].backsector->floorheight==lines[i].backsector->ceilingheight) ||
+                (lines[i].frontsector->floorheight==lines[i].frontsector->ceilingheight))
+            )
+            {
+               AM_drawMline(&l, mapcolor_clsd);      // non-secret closed door
+            } //jff 1/6/98 show secret sector 2S lines
+            else if
+            (
+               mapcolor_secr && //jff 2/16/98 fixed bug
+               (                    // special was cleared after getting it
+                  (map_secret_after &&
+                   (
+                      (P_WasSecret(lines[i].frontsector)
+                       && !P_IsSecret(lines[i].frontsector)) ||
+                      (P_WasSecret(lines[i].backsector)
+                       && !P_IsSecret(lines[i].backsector))
+                   )
+                  )
+                  ||  //jff 3/9/98 add logic to not show secret til after entered
+                  (   // if map_secret_after is true
+                     !map_secret_after &&
+                     (P_WasSecret(lines[i].frontsector) ||
+                      P_WasSecret(lines[i].backsector))
+                  )
+               )
+            )
+            {
+               AM_drawMline(&l, mapcolor_secr); // line bounding secret sector
+            } //jff 1/6/98 end secret sector line change
+            else if (lines[i].backsector->floorheight !=
+                     lines[i].frontsector->floorheight)
+            {
+               AM_drawMline(&l, mapcolor_fchg); // floor level change
+            }
+            else if (lines[i].backsector->ceilingheight !=
+                     lines[i].frontsector->ceilingheight)
+            {
+               AM_drawMline(&l, mapcolor_cchg); // ceiling level change
+            }
+            else if (mapcolor_flat && ddt_cheating)
+            {
+               AM_drawMline(&l, mapcolor_flat); //2S lines that appear only in IDDT
+            }
+         }
+      } // now draw the lines only visible because the player has computermap
+      else if (plr->powers[pw_allmap]) // computermap visible lines
+      {
+         if (!(lines[i].flags & ML_DONTDRAW)) // invisible flag lines do not show
+         {
+            if
+            (
+               mapcolor_flat
+               ||
+               !lines[i].backsector
+               ||
+               lines[i].backsector->floorheight
+               != lines[i].frontsector->floorheight
+               ||
+               lines[i].backsector->ceilingheight
+               != lines[i].frontsector->ceilingheight
+            )
+               AM_drawMline(&l, mapcolor_unsn);
+         }
+      }
+   }
+}
+
+//
+// AM_drawLineCharacter()
+//
+// Draws a vector graphic according to numerous parameters
+//
+// Passed the structure defining the vector graphic shape, the number
+// of vectors in it, the scale to draw it at, the angle to draw it at,
+// the color to draw it with, and the map coordinates to draw it at.
+// Returns nothing
+//
+void AM_drawLineCharacter
+( mline_t*  lineguy,
+  int   lineguylines,
+  fixed_t scale,
+  angle_t angle,
+  int   color,
+  fixed_t x,
+  fixed_t y )
+{
+   int   i;
+   mline_t l;
+
+   if (automapmode & am_rotate) angle -= plr->mo->angle - ANG90; // cph
+
+   for (i=0;i<lineguylines;i++)
+   {
+      l.a.x = lineguy[i].a.x;
+      l.a.y = lineguy[i].a.y;
+
+      if (scale)
+      {
+         l.a.x = FixedMul(scale, l.a.x);
+         l.a.y = FixedMul(scale, l.a.y);
+      }
+
+      if (angle)
+         AM_rotate(&l.a.x, &l.a.y, angle, 0, 0);
+
+      l.a.x += x;
+      l.a.y += y;
+
+      l.b.x = lineguy[i].b.x;
+      l.b.y = lineguy[i].b.y;
+
+      if (scale)
+      {
+         l.b.x = FixedMul(scale, l.b.x);
+         l.b.y = FixedMul(scale, l.b.y);
+      }
+
+      if (angle)
+         AM_rotate(&l.b.x, &l.b.y, angle, 0, 0);
+
+      l.b.x += x;
+      l.b.y += y;
+
+      AM_drawMline(&l, color);
+   }
+}
+
+//
+// AM_drawPlayers()
+//
+// Draws the player arrow in single player,
+// or all the player arrows in a netgame.
+//
+// Passed nothing, returns nothing
+//
+void AM_drawPlayers(void)
+{
+   int   i;
+
+   if (!netgame)
+   {
+      if (ddt_cheating)
+         AM_drawLineCharacter
+         (
+            cheat_player_arrow,
+            NUMCHEATPLYRLINES,
+            0,
+            plr->mo->angle,
+            mapcolor_sngl,      //jff color
+            plr->mo->x,
+            plr->mo->y
+         );
+      else
+         AM_drawLineCharacter
+         (
+            player_arrow,
+            NUMPLYRLINES,
+            0,
+            plr->mo->angle,
+            mapcolor_sngl,      //jff color
+            plr->mo->x,
+            plr->mo->y);
+      return;
+   }
+
+   for (i=0;i<MAXPLAYERS;i++) {
+      player_t* p = &players[i];
+
+      if ( (deathmatch && !singledemo) && p != plr)
+         continue;
+
+      if (playeringame[i]) {
+         fixed_t x = p->mo->x, y = p->mo->y;
+         if (automapmode & am_rotate)
+            AM_rotate(&x, &y, ANG90-plr->mo->angle, plr->mo->x, plr->mo->y);
+
+         AM_drawLineCharacter (player_arrow, NUMPLYRLINES, 0, p->mo->angle,
+                               p->powers[pw_invisibility] ? 246 /* *close* to black */
+                               : mapcolor_plyr[i], //jff 1/6/98 use default color
+                               x, y);
+      }
+   }
+}
+
+//
+// AM_drawThings()
+//
+// Draws the things on the automap in double IDDT cheat mode
+//
+// Passed colors and colorrange, no longer used
+// Returns nothing
+//
+void AM_drawThings
+( int colors,
+  int  colorrange)
+{
+   (void)colors;
+   (void)colorrange;
+   int   i;
+   mobj_t* t;
+
+   // for all sectors
+   for (i=0;i<numsectors;i++)
+   {
+      t = sectors[i].thinglist;
+      while (t) // for all things in that sector
+      {
+         fixed_t x = t->x, y = t->y;
+
+         if (automapmode & am_rotate)
+            AM_rotate(&x, &y, ANG90-plr->mo->angle, plr->mo->x, plr->mo->y);
+
+         //jff 1/5/98 case over doomednum of thing being drawn
+         if (mapcolor_rkey || mapcolor_ykey || mapcolor_bkey)
+         {
+            switch(t->info->doomednum)
+            {
+               //jff 1/5/98 treat keys special
+         case 38: case 13: //jff  red key
+               AM_drawLineCharacter
+               (
+                  cross_mark,
+                  NUMCROSSMARKLINES,
+                  16<<FRACBITS,
+                  t->angle,
+                  mapcolor_rkey!=-1? mapcolor_rkey : mapcolor_sprt,
+                  x, y
+               );
+               t = t->snext;
+               continue;
+         case 39: case 6: //jff yellow key
+               AM_drawLineCharacter
+               (
+                  cross_mark,
+                  NUMCROSSMARKLINES,
+                  16<<FRACBITS,
+                  t->angle,
+                  mapcolor_ykey!=-1? mapcolor_ykey : mapcolor_sprt,
+                  x, y
+               );
+               t = t->snext;
+               continue;
+         case 40: case 5: //jff blue key
+               AM_drawLineCharacter
+               (
+                  cross_mark,
+                  NUMCROSSMARKLINES,
+                  16<<FRACBITS,
+                  t->angle,
+                  mapcolor_bkey!=-1? mapcolor_bkey : mapcolor_sprt,
+                  x, y
+               );
+               t = t->snext;
+               continue;
+            default:
+               break;
+            }
+         }
+         //jff 1/5/98 end added code for keys
+         //jff previously entire code
+         AM_drawLineCharacter
+         (
+            thintriangle_guy,
+            NUMTHINTRIANGLEGUYLINES,
+            16<<FRACBITS,
+            t->angle,
+            t->flags & MF_FRIEND && !t->player ? mapcolor_frnd :
+            /* bbm 2/28/03 Show countable items in yellow. */
+            t->flags & MF_COUNTITEM ? mapcolor_item : mapcolor_sprt,
+            x, y
+         );
+         t = t->snext;
+      }
+   }
+}
+
+//
+// AM_drawMarks()
+//
+// Draw the marked locations on the automap
+//
+// Passed nothing, returns nothing
+//
+// killough 2/22/98:
+// Rewrote AM_drawMarks(). Removed limit on marks.
+//
+void AM_drawMarks(void)
+{
+   int i;
+   for (i=0;i<markpointnum;i++) // killough 2/22/98: remove automap mark limit
+      if (markpoints[i].x != -1)
+      {
+         int w = 5;
+         int h = 6;
+         int fx = markpoints[i].x;
+         int fy = markpoints[i].y;
+         int j = i;
+
+         if (automapmode & am_rotate)
+            AM_rotate(&fx, &fy, ANG90-plr->mo->angle, plr->mo->x, plr->mo->y);
+
+         fx = CXMTOF(fx); fy = CYMTOF(fy);
+
+         do
+         {
+            int d = j % 10;
+            if (d==1)           // killough 2/22/98: less spacing for '1'
+               fx++;
+
+            if (fx >= f_x && fx < f_w - w && fy >= f_y && fy < f_h - h) {
+               // cph - construct patch name and draw marker
+               char namebuf[] = { 'A', 'M', 'M', 'N', 'U', 'M', '0'+d, 0 };
+
+               V_DrawNamePatch(fx, fy, FB, namebuf, CR_DEFAULT, VPT_NONE);
+            }
+            fx -= w-1;          // killough 2/22/98: 1 space backwards
+            j /= 10;
+         }
+         while (j>0);
+      }
+}
+
+//
+// AM_drawCrosshair()
+//
+// Draw the single point crosshair representing map center
+//
+// Passed the color to draw the pixel with
+// Returns nothing
+//
+// CPhipps - made static inline, and use the general pixel plotter function
+
+inline static void AM_drawCrosshair(int color)
+{
+   // single point for now
+   V_PlotPixel(FB, f_w/2, f_h/2, (byte)color);
+}
+
+//
+// AM_Drawer()
+//
+// Draws the entire automap
+//
+// Passed nothing, returns nothing
+//
+void AM_Drawer (void)
+{
+   // CPhipps - all automap modes put into one enum
+   if (!(automapmode & am_active)) return;
+
+   if (!(automapmode & am_overlay)) // cph - If not overlay mode, clear background for the automap
+      V_FillRect(FB, f_x, f_y, f_w, f_h, (byte)mapcolor_back); //jff 1/5/98 background default color
+   if (automapmode & am_grid)
+      AM_drawGrid(mapcolor_grid);      //jff 1/7/98 grid default color
+   AM_drawWalls();
+   AM_drawPlayers();
+   if (ddt_cheating==2)
+      AM_drawThings(mapcolor_sprt, 0); //jff 1/5/98 default double IDDT sprite
+   AM_drawCrosshair(mapcolor_hair);   //jff 1/7/98 default crosshair color
+
+   AM_drawMarks();
+
+   V_MarkRect(f_x, f_y, f_w, f_h);
+}