Move m_bbox.[ch], f_wipe.[ch] to doom/

Subversion-branch: /branches/raven-branch
Subversion-revision: 1209

5 files changed, 492 insertions, 0 deletions

diff --git a/src/doom/Makefile.am b/src/doom/Makefile.am
index dfba05a7..4d95266e 100644
--- a/src/doom/Makefile.am
+++ b/src/doom/Makefile.am
@@ -17,10 +17,12 @@ dstrings.c         dstrings.h   \
                    d_textur.h   \
                    d_think.h    \
 f_finale.c         f_finale.h   \
+f_wipe.c           f_wipe.h     \
 g_game.c           g_game.h     \
 hu_lib.c           hu_lib.h     \
 hu_stuff.c         hu_stuff.h   \
 info.c             info.h       \
+m_bbox.c           m_bbox.h     \
 m_menu.c           m_menu.h     \
 p_ceilng.c                      \
 p_doors.c                       \
diff --git a/src/doom/f_wipe.c b/src/doom/f_wipe.c
new file mode 100644
index 00000000..2ab66848
--- /dev/null
+++ b/src/doom/f_wipe.c
@@ -0,0 +1,302 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 2005 Simon Howard
+//
+// 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:
+//	Mission begin melt/wipe screen special effect.
+//
+//-----------------------------------------------------------------------------
+
+#include <string.h>
+
+#include "z_zone.h"
+#include "i_video.h"
+#include "v_video.h"
+#include "m_random.h"
+
+#include "doomtype.h"
+
+#include "f_wipe.h"
+
+//
+//                       SCREEN WIPE PACKAGE
+//
+
+// when zero, stop the wipe
+static boolean	go = 0;
+
+static byte*	wipe_scr_start;
+static byte*	wipe_scr_end;
+static byte*	wipe_scr;
+
+
+void
+wipe_shittyColMajorXform
+( short*	array,
+  int		width,
+  int		height )
+{
+    int		x;
+    int		y;
+    short*	dest;
+
+    dest = (short*) Z_Malloc(width*height*2, PU_STATIC, 0);
+
+    for(y=0;y<height;y++)
+	for(x=0;x<width;x++)
+	    dest[x*height+y] = array[y*width+x];
+
+    memcpy(array, dest, width*height*2);
+
+    Z_Free(dest);
+
+}
+
+int
+wipe_initColorXForm
+( int	width,
+  int	height,
+  int	ticks )
+{
+    memcpy(wipe_scr, wipe_scr_start, width*height);
+    return 0;
+}
+
+int
+wipe_doColorXForm
+( int	width,
+  int	height,
+  int	ticks )
+{
+    boolean	changed;
+    byte*	w;
+    byte*	e;
+    int		newval;
+
+    changed = false;
+    w = wipe_scr;
+    e = wipe_scr_end;
+    
+    while (w!=wipe_scr+width*height)
+    {
+	if (*w != *e)
+	{
+	    if (*w > *e)
+	    {
+		newval = *w - ticks;
+		if (newval < *e)
+		    *w = *e;
+		else
+		    *w = newval;
+		changed = true;
+	    }
+	    else if (*w < *e)
+	    {
+		newval = *w + ticks;
+		if (newval > *e)
+		    *w = *e;
+		else
+		    *w = newval;
+		changed = true;
+	    }
+	}
+	w++;
+	e++;
+    }
+
+    return !changed;
+
+}
+
+int
+wipe_exitColorXForm
+( int	width,
+  int	height,
+  int	ticks )
+{
+    return 0;
+}
+
+
+static int*	y;
+
+int
+wipe_initMelt
+( int	width,
+  int	height,
+  int	ticks )
+{
+    int i, r;
+    
+    // copy start screen to main screen
+    memcpy(wipe_scr, wipe_scr_start, width*height);
+    
+    // makes this wipe faster (in theory)
+    // to have stuff in column-major format
+    wipe_shittyColMajorXform((short*)wipe_scr_start, width/2, height);
+    wipe_shittyColMajorXform((short*)wipe_scr_end, width/2, height);
+    
+    // setup initial column positions
+    // (y<0 => not ready to scroll yet)
+    y = (int *) Z_Malloc(width*sizeof(int), PU_STATIC, 0);
+    y[0] = -(M_Random()%16);
+    for (i=1;i<width;i++)
+    {
+	r = (M_Random()%3) - 1;
+	y[i] = y[i-1] + r;
+	if (y[i] > 0) y[i] = 0;
+	else if (y[i] == -16) y[i] = -15;
+    }
+
+    return 0;
+}
+
+int
+wipe_doMelt
+( int	width,
+  int	height,
+  int	ticks )
+{
+    int		i;
+    int		j;
+    int		dy;
+    int		idx;
+    
+    short*	s;
+    short*	d;
+    boolean	done = true;
+
+    width/=2;
+
+    while (ticks--)
+    {
+	for (i=0;i<width;i++)
+	{
+	    if (y[i]<0)
+	    {
+		y[i]++; done = false;
+	    }
+	    else if (y[i] < height)
+	    {
+		dy = (y[i] < 16) ? y[i]+1 : 8;
+		if (y[i]+dy >= height) dy = height - y[i];
+		s = &((short *)wipe_scr_end)[i*height+y[i]];
+		d = &((short *)wipe_scr)[y[i]*width+i];
+		idx = 0;
+		for (j=dy;j;j--)
+		{
+		    d[idx] = *(s++);
+		    idx += width;
+		}
+		y[i] += dy;
+		s = &((short *)wipe_scr_start)[i*height];
+		d = &((short *)wipe_scr)[y[i]*width+i];
+		idx = 0;
+		for (j=height-y[i];j;j--)
+		{
+		    d[idx] = *(s++);
+		    idx += width;
+		}
+		done = false;
+	    }
+	}
+    }
+
+    return done;
+
+}
+
+int
+wipe_exitMelt
+( int	width,
+  int	height,
+  int	ticks )
+{
+    Z_Free(y);
+    return 0;
+}
+
+int
+wipe_StartScreen
+( int	x,
+  int	y,
+  int	width,
+  int	height )
+{
+    wipe_scr_start = screens[2];
+    I_ReadScreen(wipe_scr_start);
+    return 0;
+}
+
+int
+wipe_EndScreen
+( int	x,
+  int	y,
+  int	width,
+  int	height )
+{
+    wipe_scr_end = screens[3];
+    I_ReadScreen(wipe_scr_end);
+    V_DrawBlock(x, y, 0, width, height, wipe_scr_start); // restore start scr.
+    return 0;
+}
+
+int
+wipe_ScreenWipe
+( int	wipeno,
+  int	x,
+  int	y,
+  int	width,
+  int	height,
+  int	ticks )
+{
+    int rc;
+    static int (*wipes[])(int, int, int) =
+    {
+	wipe_initColorXForm, wipe_doColorXForm, wipe_exitColorXForm,
+	wipe_initMelt, wipe_doMelt, wipe_exitMelt
+    };
+
+    void V_MarkRect(int, int, int, int);
+
+    // initial stuff
+    if (!go)
+    {
+	go = 1;
+	// wipe_scr = (byte *) Z_Malloc(width*height, PU_STATIC, 0); // DEBUG
+	wipe_scr = screens[0];
+	(*wipes[wipeno*3])(width, height, ticks);
+    }
+
+    // do a piece of wipe-in
+    V_MarkRect(0, 0, width, height);
+    rc = (*wipes[wipeno*3+1])(width, height, ticks);
+    //  V_DrawBlock(x, y, 0, width, height, wipe_scr); // DEBUG
+
+    // final stuff
+    if (rc)
+    {
+	go = 0;
+	(*wipes[wipeno*3+2])(width, height, ticks);
+    }
+
+    return !go;
+
+}
diff --git a/src/doom/f_wipe.h b/src/doom/f_wipe.h
new file mode 100644
index 00000000..9045be3f
--- /dev/null
+++ b/src/doom/f_wipe.h
@@ -0,0 +1,71 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 2005 Simon Howard
+//
+// 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:
+//	Mission start screen wipe/melt, special effects.
+//	
+//-----------------------------------------------------------------------------
+
+
+#ifndef __F_WIPE_H__
+#define __F_WIPE_H__
+
+//
+//                       SCREEN WIPE PACKAGE
+//
+
+enum
+{
+    // simple gradual pixel change for 8-bit only
+    wipe_ColorXForm,
+    
+    // weird screen melt
+    wipe_Melt,	
+
+    wipe_NUMWIPES
+};
+
+int
+wipe_StartScreen
+( int		x,
+  int		y,
+  int		width,
+  int		height );
+
+
+int
+wipe_EndScreen
+( int		x,
+  int		y,
+  int		width,
+  int		height );
+
+
+int
+wipe_ScreenWipe
+( int		wipeno,
+  int		x,
+  int		y,
+  int		width,
+  int		height,
+  int		ticks );
+
+#endif
diff --git a/src/doom/m_bbox.c b/src/doom/m_bbox.c
new file mode 100644
index 00000000..02389209
--- /dev/null
+++ b/src/doom/m_bbox.c
@@ -0,0 +1,62 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 2005 Simon Howard
+//
+// 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:
+//	Main loop menu stuff.
+//	Random number LUT.
+//	Default Config File.
+//	PCX Screenshots.
+//
+//-----------------------------------------------------------------------------
+
+
+
+#include "m_bbox.h"
+
+
+
+
+void M_ClearBox (fixed_t *box)
+{
+    box[BOXTOP] = box[BOXRIGHT] = INT_MIN;
+    box[BOXBOTTOM] = box[BOXLEFT] = INT_MAX;
+}
+
+void
+M_AddToBox
+( fixed_t*	box,
+  fixed_t	x,
+  fixed_t	y )
+{
+    if (x<box[BOXLEFT])
+	box[BOXLEFT] = x;
+    else if (x>box[BOXRIGHT])
+	box[BOXRIGHT] = x;
+    if (y<box[BOXBOTTOM])
+	box[BOXBOTTOM] = y;
+    else if (y>box[BOXTOP])
+	box[BOXTOP] = y;
+}
+
+
+
+
+
diff --git a/src/doom/m_bbox.h b/src/doom/m_bbox.h
new file mode 100644
index 00000000..3788044b
--- /dev/null
+++ b/src/doom/m_bbox.h
@@ -0,0 +1,55 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 2005 Simon Howard
+//
+// 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:
+//    Nil.
+//    
+//-----------------------------------------------------------------------------
+
+
+#ifndef __M_BBOX__
+#define __M_BBOX__
+
+#include <limits.h>
+
+#include "m_fixed.h"
+
+
+// Bounding box coordinate storage.
+enum
+{
+    BOXTOP,
+    BOXBOTTOM,
+    BOXLEFT,
+    BOXRIGHT
+};	// bbox coordinates
+
+// Bounding box functions.
+void M_ClearBox (fixed_t*	box);
+
+void
+M_AddToBox
+( fixed_t*	box,
+  fixed_t	x,
+  fixed_t	y );
+
+
+#endif