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am_map.c
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/* 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
* Copyright 2005, 2006 by
* Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
* Copyright 2023-2025 by
* Frenkel Smeijers
*
* 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
*
*-----------------------------------------------------------------------------
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdint.h>
#include "d_player.h"
#include "r_defs.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 "d_englsh.h"
#include "g_game.h"
#include "globdata.h"
enum automapmode_e automapmode; // Mode that the automap is in
#if NR_OF_COLORS == 1
static const uint8_t mapcolor_wall = 0xb0;
static const uint8_t mapcolor_fchg = 0xb1;
static const uint8_t mapcolor_cchg = 0xb1;
static const uint8_t mapcolor_clsd = 0xdb;
static const uint8_t mapcolor_rdor = 0xb2;
static const uint8_t mapcolor_bdor = 0xb2;
static const uint8_t mapcolor_ydor = 0xb2;
static const uint8_t mapcolor_tele = 0xb0;
static const uint8_t mapcolor_secr = 0xb0;
static const uint8_t mapcolor_unsn = 0xb0;
static const uint8_t mapcolor_sngl = 0xdb;
#elif NR_OF_COLORS == 2
#define WHITE (1<<7)
static const uint8_t mapcolor_wall = WHITE;
static const uint8_t mapcolor_fchg = WHITE;
static const uint8_t mapcolor_cchg = WHITE;
static const uint8_t mapcolor_clsd = WHITE;
static const uint8_t mapcolor_rdor = WHITE;
static const uint8_t mapcolor_bdor = WHITE;
static const uint8_t mapcolor_ydor = WHITE;
static const uint8_t mapcolor_tele = WHITE;
static const uint8_t mapcolor_secr = WHITE;
static const uint8_t mapcolor_unsn = WHITE;
static const uint8_t mapcolor_sngl = WHITE;
#elif NR_OF_COLORS == 4
#define CYAN (1<<6)
#define MAGENTA (2<<6)
#define WHITE (3<<6)
static const uint8_t mapcolor_wall = MAGENTA;
static const uint8_t mapcolor_fchg = MAGENTA;
static const uint8_t mapcolor_cchg = MAGENTA;
static const uint8_t mapcolor_clsd = WHITE;
static const uint8_t mapcolor_rdor = MAGENTA;
static const uint8_t mapcolor_bdor = CYAN;
static const uint8_t mapcolor_ydor = WHITE;
static const uint8_t mapcolor_tele = CYAN;
static const uint8_t mapcolor_secr = MAGENTA;
static const uint8_t mapcolor_unsn = WHITE;
static const uint8_t mapcolor_sngl = WHITE;
#elif NR_OF_COLORS == 16
#define BLUE 0x11
#define GREEN 0x22
#define RED 0x44
#define BROWN 0x66
#define DARK_GRAY 0x88
#define LIGHT_RED 0xcc
#define LIGHT_MAGENTA 0xdd
#define YELLOW 0xee
#define WHITE 0xff
static const uint8_t mapcolor_wall = RED;
static const uint8_t mapcolor_fchg = BROWN;
static const uint8_t mapcolor_cchg = BROWN;
static const uint8_t mapcolor_clsd = WHITE;
static const uint8_t mapcolor_rdor = LIGHT_RED;
static const uint8_t mapcolor_bdor = BLUE;
static const uint8_t mapcolor_ydor = YELLOW;
static const uint8_t mapcolor_tele = GREEN;
static const uint8_t mapcolor_secr = LIGHT_MAGENTA;
static const uint8_t mapcolor_unsn = DARK_GRAY;
static const uint8_t mapcolor_sngl = WHITE;
#else
static const uint8_t mapcolor_wall = 23; // normal 1s wall color
static const uint8_t mapcolor_fchg = 55; // line at floor height change color
static const uint8_t mapcolor_cchg = 215; // line at ceiling height change color
static const uint8_t mapcolor_clsd = 208; // line at sector with floor=ceiling color
static const uint8_t mapcolor_rdor = 175; // red door color (diff from keys to allow option)
static const uint8_t mapcolor_bdor = 204; // blue door color (of enabling one but not other )
static const uint8_t mapcolor_ydor = 231; // yellow door color
static const uint8_t mapcolor_tele = 119; // teleporter line color
static const uint8_t mapcolor_secr = 252; // secret sector boundary color
static const uint8_t mapcolor_unsn = 104; // computer map unseen line color
static const uint8_t mapcolor_sngl = 208; // single player arrow color
#endif
#if !defined MAPWIDTH
#define MAPWIDTH SCREENWIDTH
#endif
static const int16_t f_w = MAPWIDTH;
static const int16_t f_h = VIEWWINDOWHEIGHT;// to allow runtime setting of width/height
typedef struct
{
fixed_t x,y;
} mpoint_t;
typedef struct
{
mpoint_t a, b;
} mline_t;
typedef struct
{
int16_t x, y;
} fpoint_t;
typedef struct
{
fpoint_t a, b;
} fline_t;
static mpoint_t m_paninc; // how far the window pans each tic (map 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
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 location used by the Follower routine
static mpoint_t f_oldloc;
// scale on entry
#define INITSCALEMTOF (.2*FRACUNIT)
// 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 boolean stopped = true;
static fixed_t mtof_zoommul = FRACUNIT; // how far the window zooms each tic (map coords)
static fixed_t ftom_zoommul = FRACUNIT; // how far the window zooms each tic (fb coords)
// 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 ((int32_t) (1.02*FRACUNIT))
// how much zoom-out per tic
// pulls out to 0.5x in 1 second
#define M_ZOOMOUT ((int32_t) (FRACUNIT/1.02))
#define MAPBITS 12
#define FRACTOMAPBITS (FRACBITS-MAPBITS)
#define PLAYERRADIUS (16L*(1<<MAPBITS)) // e6y
// translates between frame-buffer and map distances
#define FTOM(x) ((x)*scale_ftom)
#define MTOF(x) (FixedMul((x),scale_mtof)>>16)
// translates between frame-buffer and map coordinates
#define CXMTOF(x) (MTOF((x)- m_x))
#define CYMTOF(y) ((f_h - MTOF((y)- m_y)))
//
// The vector graphics for the automap.
// A line drawing of the player pointing right,
// starting from the middle.
//
#define R ((8*PLAYERRADIUS)/7)
static const 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))
//
// AM_activateNewScale()
//
// Changes the map scale after zooming or translating
//
// Passed nothing, returns nothing
//
static 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_findMinMaxBoundaries()
//
// Determines bounding box of all vertices,
// sets global variables controlling zoom range.
//
// Passed nothing, returns nothing
//
static void AM_findMinMaxBoundaries(void)
{
int16_t i;
fixed_t a;
fixed_t b;
int16_t min16_x, min16_y, max16_x, max16_y;
min16_x = min16_y = INT16_MAX;
max16_x = max16_y = -INT16_MAX;
for (i=0;i<_g_numlines;i++)
{
if (_g_lines[i].v1.x < min16_x)
min16_x = _g_lines[i].v1.x;
else if (_g_lines[i].v1.x > max16_x)
max16_x = _g_lines[i].v1.x;
if (_g_lines[i].v2.x < min16_x)
min16_x = _g_lines[i].v2.x;
else if (_g_lines[i].v2.x > max16_x)
max16_x = _g_lines[i].v2.x;
if (_g_lines[i].v1.y < min16_y)
min16_y = _g_lines[i].v1.y;
else if (_g_lines[i].v1.y > max16_y)
max16_y = _g_lines[i].v1.y;
if (_g_lines[i].v2.y < min16_y)
min16_y = _g_lines[i].v2.y;
else if (_g_lines[i].v2.y > max16_y)
max16_y = _g_lines[i].v2.y;
}
min_x = (fixed_t)min16_x << MAPBITS;
min_y = (fixed_t)min16_y << MAPBITS;
max_x = (fixed_t)max16_x << MAPBITS;
max_y = (fixed_t)max16_y << MAPBITS;
max_w = max_x - min_x;
max_h = max_y - min_y;
a = FixedApproxDiv((int32_t)f_w<<FRACBITS, max_w);
b = FixedApproxDiv((int32_t)f_h<<FRACBITS, max_h);
min_scale_mtof = a < b ? a : b;
max_scale_mtof = FixedApproxDiv((int32_t)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
//
static void AM_changeWindowLoc(void)
{
if (m_paninc.x || m_paninc.y)
{
automapmode &= ~am_follow;
f_oldloc.x = INT32_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
//
static void AM_initVariables(void)
{
automapmode |= (am_active | am_follow);
f_oldloc.x = INT32_MAX;
m_paninc.x = m_paninc.y = 0;
m_w = FTOM(f_w);
m_h = FTOM(f_h);
m_x = (_g_player.mo->x >> FRACTOMAPBITS) - m_w/2;//e6y
m_y = (_g_player.mo->y >> FRACTOMAPBITS) - m_h/2;//e6y
AM_changeWindowLoc();
}
//
// 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
static void AM_LevelInit(void)
{
AM_findMinMaxBoundaries();
scale_mtof = FixedApproxDiv(min_scale_mtof, (int32_t) (0.7*FRACUNIT));
if (scale_mtof > max_scale_mtof)
scale_mtof = min_scale_mtof;
scale_ftom = FixedReciprocal(scale_mtof);
}
//
// AM_Stop()
//
// Cease automap operations, unload patches, notify status bar
//
// Passed nothing, returns nothing
//
void AM_Stop (void)
{
automapmode = 0;
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
//
static void AM_Start(void)
{
static int16_t lastlevel = -1;
static int16_t lastepisode = -1;
if (!stopped)
AM_Stop();
stopped = false;
if (lastlevel != _g_gamemap || lastepisode != 1)
{
AM_LevelInit();
lastlevel = _g_gamemap;
lastepisode = 1;
}
AM_initVariables();
}
//
// AM_minOutWindowScale()
//
// Set the window scale to the maximum size
//
// Passed nothing, returns nothing
//
static void AM_minOutWindowScale(void)
{
scale_mtof = min_scale_mtof;
scale_ftom = FixedReciprocal(scale_mtof);
AM_activateNewScale();
}
//
// AM_maxOutWindowScale(void)
//
// Set the window scale to the minimum size
//
// Passed nothing, returns nothing
//
static void AM_maxOutWindowScale(void)
{
scale_mtof = max_scale_mtof;
scale_ftom = FixedReciprocal(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)
{
boolean rc;
int16_t ch;
rc = false;
if (!(automapmode & am_active))
{
if (ev->type == ev_keydown && ev->data1 == key_map)
{
AM_Start ();
rc = true;
}
}
else if (ev->type == ev_keydown)
{
rc = true;
ch = ev->data1;
if (ch == key_map_right)
if (!(automapmode & am_follow))
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)
{
if(automapmode & am_overlay)
AM_Stop ();
else
automapmode |= (am_overlay | am_rotate | am_follow);
}
else if (ch == key_map_follow)
{
automapmode ^= am_follow; // CPhipps - put all automap mode stuff into one enum
f_oldloc.x = INT32_MAX;
_g_player.message = (automapmode & am_follow) ? AMSTR_FOLLOWON : AMSTR_FOLLOWOFF;
}
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
{
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;
//e6y
xorig>>=FRACTOMAPBITS;
yorig>>=FRACTOMAPBITS;
tmpx =
FixedMulAngle(*x - xorig,finecosineapprox(a>>ANGLETOFINESHIFT)) -
FixedMulAngle(*y - yorig,finesineapprox( a>>ANGLETOFINESHIFT));
*y = yorig +
FixedMulAngle(*x - xorig,finesineapprox( a>>ANGLETOFINESHIFT)) +
FixedMulAngle(*y - yorig,finecosineapprox(a>>ANGLETOFINESHIFT));
*x = tmpx + xorig;
}
//
// AM_changeWindowScale()
//
// Automap zooming
//
// Passed nothing, returns nothing
//
static void AM_changeWindowScale(void)
{
// Change the scaling multipliers
scale_mtof = FixedMul(scale_mtof, mtof_zoommul);
scale_ftom = FixedReciprocal(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
//
static void AM_doFollowPlayer(void)
{
if (f_oldloc.x != _g_player.mo->x || f_oldloc.y != _g_player.mo->y)
{
m_x = FTOM(MTOF(_g_player.mo->x >> FRACTOMAPBITS)) - m_w/2;//e6y
m_y = FTOM(MTOF(_g_player.mo->y >> FRACTOMAPBITS)) - m_h/2;//e6y
m_x2 = m_x + m_w;
m_y2 = m_y + m_h;
f_oldloc.x = _g_player.mo->x;
f_oldloc.y = _g_player.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
//
static boolean AM_clipMline(mline_t* ml, fline_t* fl)
{
enum
{
LEFT =1,
RIGHT =2,
BOTTOM =4,
TOP =8
};
int16_t outcode1 = 0;
int16_t outcode2 = 0;
int16_t outside;
fpoint_t tmp;
int16_t dx;
int16_t 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_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.
//
static void AM_drawMline(mline_t* ml, uint8_t color)
{
fline_t fl;
if (AM_clipMline(ml, &fl))
V_DrawLine(fl.a.x, fl.a.y, fl.b.x, fl.b.y, color); // draws it on frame buffer using fb coords
}
//
// 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
static int16_t AM_DoorColor(int16_t type)
{
switch (type) // closed keyed door
{
case 26: case 32:
/*bluekey*/
return 1;
case 27: case 34:
/*yellowkey*/
return 2;
case 28: case 33:
/*redkey*/
return 0;
default:
return -1; //not a keyed door
}
}
//
// P_WasSecret()
//
// Passed a sector, returns if the sector secret type was active, i.e.
// secret type was set and the secret has been obtained already.
//
// jff 3/14/98 added to simplify checks for whether sector is secret
// in automap and other places
//
static boolean PUREFUNC P_WasSecret(const sector_t __far* sec)
{
return sec->oldspecial == 9;
}
//
// 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
//
static void AM_drawWalls(void)
{
int16_t i;
mline_t l;
// draw the unclipped visible portions of all lines
for (i=0;i<_g_numlines;i++)
{
l.a.x = (fixed_t)_g_lines[i].v1.x << MAPBITS;
l.a.y = (fixed_t)_g_lines[i].v1.y << MAPBITS;
l.b.x = (fixed_t)_g_lines[i].v2.x << MAPBITS;
l.b.y = (fixed_t)_g_lines[i].v2.y << MAPBITS;
const sector_t __far* backsector = LN_BACKSECTOR(&_g_lines[i]);
const sector_t __far* frontsector = LN_FRONTSECTOR(&_g_lines[i]);
const int16_t line_special = LN_SPECIAL(&_g_lines[i]);
if (automapmode & am_rotate)
{
AM_rotate(&l.a.x, &l.a.y, ANG90-_g_player.mo->angle, _g_player.mo->x, _g_player.mo->y);
AM_rotate(&l.b.x, &l.b.y, ANG90-_g_player.mo->angle, _g_player.mo->x, _g_player.mo->y);
}
// if line has been seen or IDDT has been used
if (_g_lines[i].r_flags & ML_MAPPED)
{
if (_g_lines[i].flags & ML_DONTDRAW)
continue;
{
/* cph - show keyed doors and lines */
int16_t amd;
if (!(_g_lines[i].flags & ML_SECRET) && (amd = AM_DoorColor(line_special)) != -1)
{
{
switch (amd) /* closed keyed door */
{
case 1:
/*bluekey*/
AM_drawMline(&l,mapcolor_bdor);
continue;
case 2:
/*yellowkey*/
AM_drawMline(&l,mapcolor_ydor);
continue;
case 0:
/*redkey*/
AM_drawMline(&l,mapcolor_rdor);
continue;
}
}
}
}
if(!backsector)
{
// jff 1/10/98 add new color for 1S secret sector boundary
if (P_WasSecret(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 (!(_g_lines[i].flags & ML_SECRET) && (line_special == 97))
{ // teleporters
AM_drawMline(&l, mapcolor_tele);
}
else if (_g_lines[i].flags & ML_SECRET) // secret door
{
AM_drawMline(&l, mapcolor_wall); // wall color
}
else if
(
!(_g_lines[i].flags & ML_SECRET) && // non-secret closed door
((backsector->floorheight==backsector->ceilingheight) ||
(frontsector->floorheight==frontsector->ceilingheight))
)
{
AM_drawMline(&l, mapcolor_clsd); // non-secret closed door
} //jff 1/6/98 show secret sector 2S lines
else if (P_WasSecret(frontsector) || P_WasSecret(backsector))
{
AM_drawMline(&l, mapcolor_secr); // line bounding secret sector
} //jff 1/6/98 end secret sector line change
else if (backsector->floorheight !=
frontsector->floorheight)
{
AM_drawMline(&l, mapcolor_fchg); // floor level change
}
else if (backsector->ceilingheight !=
frontsector->ceilingheight)
{
AM_drawMline(&l, mapcolor_cchg); // ceiling level change
}
}
} // now draw the lines only visible because the player has computermap
else if (_g_player.powers[pw_allmap]) // computermap visible lines
{
if (!(_g_lines[i].flags & ML_DONTDRAW)) // invisible flag lines do not show
{
AM_drawMline(&l, mapcolor_unsn);
}
}
}
}
//