Merge heretic/v_video.c to common code.

Subversion-branch: /branches/raven-branch
Subversion-revision: 1252

29 files changed, 154 insertions, 348 deletions

diff --git a/src/heretic/Makefile.am b/src/heretic/Makefile.am
index 5f6bc865..fa9d2a6f 100644
--- a/src/heretic/Makefile.am
+++ b/src/heretic/Makefile.am
@@ -47,8 +47,7 @@ r_segs.c                                             \
 r_things.c                                           \
 sb_bar.c                                             \
 sounds.c               sounds.h                      \
-s_sound.c              s_sound.h                     \
-v_video.c                                            
+s_sound.c              s_sound.h                     
 
 EXTRA_DIST=                                          \
 i_sound.c              i_sound.h                     \
diff --git a/src/heretic/am_map.c b/src/heretic/am_map.c
index 90807644..44f9b1c9 100644
--- a/src/heretic/am_map.c
+++ b/src/heretic/am_map.c
@@ -31,6 +31,7 @@
 #include "am_data.h"
 
 #include "doomkeys.h"
+#include "v_video.h"
 
 vertex_t KeyPoints[NUMKEYS];
 
diff --git a/src/heretic/ct_chat.c b/src/heretic/ct_chat.c
index 16635ba2..25ebbeae 100644
--- a/src/heretic/ct_chat.c
+++ b/src/heretic/ct_chat.c
@@ -30,6 +30,7 @@
 #include "doomkeys.h"
 #include "p_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 #define QUEUESIZE		128
 #define MESSAGESIZE	128
diff --git a/src/heretic/d_main.c b/src/heretic/d_main.c
index bc1b0899..dc647556 100644
--- a/src/heretic/d_main.c
+++ b/src/heretic/d_main.c
@@ -34,6 +34,7 @@
 #include "doomdef.h"
 #include "p_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 GameMission_t gamemission = heretic;
 GameMode_t gamemode = indetermined;
diff --git a/src/heretic/doomdata.h b/src/heretic/doomdata.h
index ec93ac62..8b56c0ed 100644
--- a/src/heretic/doomdata.h
+++ b/src/heretic/doomdata.h
@@ -168,29 +168,6 @@ typedef struct
 ===============================================================================
 */
 
-// posts are runs of non masked source pixels
-typedef struct
-{
-    byte topdelta;              // -1 is the last post in a column
-    byte length;
-// length data bytes follows
-} post_t;
-
-// column_t is a list of 0 or more post_t, (byte)-1 terminated
-typedef post_t column_t;
-
-// a patch holds one or more columns
-// patches are used for sprites and all masked pictures
-typedef struct
-{
-    short width;                // bounding box size
-    short height;
-    short leftoffset;           // pixels to the left of origin
-    short topoffset;            // pixels below the origin
-    int columnofs[8];           // only [width] used
-    // the [0] is &columnofs[width]
-} patch_t;
-
 // a pic is an unmasked block of pixels
 typedef struct
 {
diff --git a/src/heretic/doomdef.h b/src/heretic/doomdef.h
index 654c1bd8..4505abcd 100644
--- a/src/heretic/doomdef.h
+++ b/src/heretic/doomdef.h
@@ -1005,20 +1005,6 @@ int MN_TextAWidth(char *text);
 void MN_DrTextB(char *text, int x, int y);
 int MN_TextBWidth(char *text);
 
-//------
-// VIDEO
-//------
-
-extern int dirtybox[4];
-extern byte gammatable[5][256];
-extern int usegamma;
-
-void V_Init(void);              // Allocates buffer screens, call before R_Init
-void V_DrawPatch(int x, int y, patch_t * patch);
-void V_DrawFuzzPatch(int x, int y, patch_t * patch);
-void V_DrawShadowedPatch(int x, int y, patch_t * patch);
-void V_DrawRawScreen(byte * raw);
-
 #include "sounds.h"
 
 #endif // __DOOMDEF__
diff --git a/src/heretic/f_finale.c b/src/heretic/f_finale.c
index 50b28efe..e6053a60 100644
--- a/src/heretic/f_finale.c
+++ b/src/heretic/f_finale.c
@@ -27,6 +27,7 @@
 #include "doomdef.h"
 #include "i_swap.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 int finalestage;                // 0 = text, 1 = art screen
 int finalecount;
diff --git a/src/heretic/g_game.c b/src/heretic/g_game.c
index 602afbf0..87ac8f94 100644
--- a/src/heretic/g_game.c
+++ b/src/heretic/g_game.c
@@ -29,6 +29,7 @@
 #include "doomkeys.h"
 #include "p_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 // Macros
 
diff --git a/src/heretic/i_ibm.c b/src/heretic/i_ibm.c
index 5058bf7e..fba6b599 100644
--- a/src/heretic/i_ibm.c
+++ b/src/heretic/i_ibm.c
@@ -31,6 +31,7 @@
 #include "doomdef.h"
 #include "r_local.h"
 #include "dmx.h"
+#include "v_video.h"
 
 // Macros
 
diff --git a/src/heretic/i_sound.c b/src/heretic/i_sound.c
index 30b63a43..8f0d5f35 100644
--- a/src/heretic/i_sound.c
+++ b/src/heretic/i_sound.c
@@ -28,6 +28,7 @@
 #include "dmx.h"
 #include "sounds.h"
 #include "i_sound.h"
+#include "v_video.h"
 
 /*
 ===============
diff --git a/src/heretic/in_lude.c b/src/heretic/in_lude.c
index 8cd3c5da..7e574570 100644
--- a/src/heretic/in_lude.c
+++ b/src/heretic/in_lude.c
@@ -30,6 +30,7 @@
 
 #include "doomdef.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 typedef enum
 {
diff --git a/src/heretic/m_misc.c b/src/heretic/m_misc.c
index 91642f02..951dce0c 100644
--- a/src/heretic/m_misc.c
+++ b/src/heretic/m_misc.c
@@ -365,6 +365,7 @@ void M_ForceUppercase(char *text)
 int usemouse;
 int usejoystick;
 
+extern int usegamma;
 extern int key_right, key_left, key_up, key_down;
 extern int key_strafeleft, key_straferight;
 extern int key_fire, key_use, key_strafe, key_speed;
diff --git a/src/heretic/mn_menu.c b/src/heretic/mn_menu.c
index 6423ebdf..5a7f2801 100644
--- a/src/heretic/mn_menu.c
+++ b/src/heretic/mn_menu.c
@@ -29,6 +29,7 @@
 #include "p_local.h"
 #include "r_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 // Macros
 
@@ -116,6 +117,7 @@ void MN_LoadSlotText(void);
 
 // External Data
 
+extern int usegamma;
 extern int detailLevel;
 extern int screenblocks;
 
diff --git a/src/heretic/p_ceilng.c b/src/heretic/p_ceilng.c
index cc596500..ba856c63 100644
--- a/src/heretic/p_ceilng.c
+++ b/src/heretic/p_ceilng.c
@@ -24,6 +24,7 @@
 #include "doomdef.h"
 #include "p_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 //==================================================================
 //==================================================================
diff --git a/src/heretic/p_doors.c b/src/heretic/p_doors.c
index 619f6ca6..45f6883d 100644
--- a/src/heretic/p_doors.c
+++ b/src/heretic/p_doors.c
@@ -26,6 +26,7 @@
 #include "doomdef.h"
 #include "p_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 //==================================================================
 //==================================================================
diff --git a/src/heretic/p_enemy.c b/src/heretic/p_enemy.c
index c33f7834..f6782d05 100644
--- a/src/heretic/p_enemy.c
+++ b/src/heretic/p_enemy.c
@@ -27,6 +27,7 @@
 #include "doomdef.h"
 #include "p_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 // Macros
 
diff --git a/src/heretic/p_floor.c b/src/heretic/p_floor.c
index f00447e4..cd043bde 100644
--- a/src/heretic/p_floor.c
+++ b/src/heretic/p_floor.c
@@ -23,6 +23,7 @@
 #include "doomdef.h"
 #include "p_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 //==================================================================
 //==================================================================
diff --git a/src/heretic/p_lights.c b/src/heretic/p_lights.c
index 78ca77d3..fb5942d6 100644
--- a/src/heretic/p_lights.c
+++ b/src/heretic/p_lights.c
@@ -22,6 +22,7 @@
 //-----------------------------------------------------------------------------
 #include "doomdef.h"
 #include "p_local.h"
+#include "v_video.h"
 
 //==================================================================
 //==================================================================
diff --git a/src/heretic/p_plats.c b/src/heretic/p_plats.c
index 7c68233f..9d3b99e6 100644
--- a/src/heretic/p_plats.c
+++ b/src/heretic/p_plats.c
@@ -26,6 +26,7 @@
 #include "doomdef.h"
 #include "p_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 plat_t *activeplats[MAXPLATS];
 
diff --git a/src/heretic/p_spec.c b/src/heretic/p_spec.c
index 5be43eae..469937c1 100644
--- a/src/heretic/p_spec.c
+++ b/src/heretic/p_spec.c
@@ -26,6 +26,7 @@
 #include "doomdef.h"
 #include "p_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 // Macros
 
diff --git a/src/heretic/p_switch.c b/src/heretic/p_switch.c
index 7c4f8c02..82951718 100644
--- a/src/heretic/p_switch.c
+++ b/src/heretic/p_switch.c
@@ -24,6 +24,7 @@
 #include "doomdef.h"
 #include "p_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 //==================================================================
 //
diff --git a/src/heretic/p_telept.c b/src/heretic/p_telept.c
index 287814f3..f8030337 100644
--- a/src/heretic/p_telept.c
+++ b/src/heretic/p_telept.c
@@ -26,6 +26,7 @@
 #include "doomdef.h"
 #include "p_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 //----------------------------------------------------------------------------
 //
diff --git a/src/heretic/p_tick.c b/src/heretic/p_tick.c
index ea0a8e7a..8a2b2577 100644
--- a/src/heretic/p_tick.c
+++ b/src/heretic/p_tick.c
@@ -25,6 +25,7 @@
 
 #include "doomdef.h"
 #include "p_local.h"
+#include "v_video.h"
 
 int leveltime;
 int TimerGame;
diff --git a/src/heretic/r_draw.c b/src/heretic/r_draw.c
index aac9e88d..1266187b 100644
--- a/src/heretic/r_draw.c
+++ b/src/heretic/r_draw.c
@@ -24,6 +24,7 @@
 
 #include "doomdef.h"
 #include "r_local.h"
+#include "v_video.h"
 
 /*
 
diff --git a/src/heretic/r_local.h b/src/heretic/r_local.h
index fa0efacd..e7b7c531 100644
--- a/src/heretic/r_local.h
+++ b/src/heretic/r_local.h
@@ -25,6 +25,8 @@
 #ifndef __R_LOCAL__
 #define __R_LOCAL__
 
+#include "v_patch.h"
+
 #define	ANGLETOSKYSHIFT		22      // sky map is 256*128*4 maps
 
 #define	BASEYCENTER			100
diff --git a/src/heretic/sb_bar.c b/src/heretic/sb_bar.c
index 3b6434b3..57db3560 100644
--- a/src/heretic/sb_bar.c
+++ b/src/heretic/sb_bar.c
@@ -26,6 +26,7 @@
 #include "doomdef.h"
 #include "p_local.h"
 #include "s_sound.h"
+#include "v_video.h"
 
 // Macros
 
diff --git a/src/heretic/v_video.c b/src/heretic/v_video.c
deleted file mode 100644
index 28d2f476..00000000
--- a/src/heretic/v_video.c
+++ /dev/null
@@ -1,306 +0,0 @@
-// Emacs style mode select   -*- C++ -*- 
-//-----------------------------------------------------------------------------
-//
-// Copyright(C) 1993-1996 Id Software, Inc.
-// Copyright(C) 1993-2008 Raven Software
-//
-// 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.
-//
-//-----------------------------------------------------------------------------
-
-// V_video.c
-
-#include "doomdef.h"
-
-#include "i_swap.h"
-
-#define SC_INDEX 0x3c4
-
-byte *screen;
-int dirtybox[4];
-int usegamma;
-
-byte gammatable[5][256] = {
-    {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
-     21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
-     39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56,
-     57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
-     75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92,
-     93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108,
-     109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122,
-     123, 124, 125, 126, 127, 128, 128, 129, 130, 131, 132, 133, 134, 135,
-     136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
-     150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163,
-     164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177,
-     178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
-     192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205,
-     206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
-     220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233,
-     234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247,
-     248, 249, 250, 251, 252, 253, 254, 255},
-
-    {2, 4, 5, 7, 8, 10, 11, 12, 14, 15, 16, 18, 19, 20, 21, 23, 24, 25, 26,
-     27, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 42, 44, 45, 46, 47,
-     48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66,
-     67, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85,
-     86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102,
-     103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116,
-     117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 129,
-     130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143,
-     144, 145, 146, 147, 148, 148, 149, 150, 151, 152, 153, 154, 155, 156,
-     157, 158, 159, 160, 161, 162, 163, 163, 164, 165, 166, 167, 168, 169,
-     170, 171, 172, 173, 174, 175, 175, 176, 177, 178, 179, 180, 181, 182,
-     183, 184, 185, 186, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195,
-     196, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 205, 206, 207,
-     208, 209, 210, 211, 212, 213, 214, 214, 215, 216, 217, 218, 219, 220,
-     221, 222, 222, 223, 224, 225, 226, 227, 228, 229, 230, 230, 231, 232,
-     233, 234, 235, 236, 237, 237, 238, 239, 240, 241, 242, 243, 244, 245,
-     245, 246, 247, 248, 249, 250, 251, 252, 252, 253, 254, 255},
-
-    {4, 7, 9, 11, 13, 15, 17, 19, 21, 22, 24, 26, 27, 29, 30, 32, 33, 35, 36,
-     38, 39, 40, 42, 43, 45, 46, 47, 48, 50, 51, 52, 54, 55, 56, 57, 59, 60,
-     61, 62, 63, 65, 66, 67, 68, 69, 70, 72, 73, 74, 75, 76, 77, 78, 79, 80,
-     82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 100,
-     101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114,
-     114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
-     128, 129, 130, 131, 132, 133, 133, 134, 135, 136, 137, 138, 139, 140,
-     141, 142, 143, 144, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153,
-     153, 154, 155, 156, 157, 158, 159, 160, 160, 161, 162, 163, 164, 165,
-     166, 166, 167, 168, 169, 170, 171, 172, 172, 173, 174, 175, 176, 177,
-     178, 178, 179, 180, 181, 182, 183, 183, 184, 185, 186, 187, 188, 188,
-     189, 190, 191, 192, 193, 193, 194, 195, 196, 197, 197, 198, 199, 200,
-     201, 201, 202, 203, 204, 205, 206, 206, 207, 208, 209, 210, 210, 211,
-     212, 213, 213, 214, 215, 216, 217, 217, 218, 219, 220, 221, 221, 222,
-     223, 224, 224, 225, 226, 227, 228, 228, 229, 230, 231, 231, 232, 233,
-     234, 235, 235, 236, 237, 238, 238, 239, 240, 241, 241, 242, 243, 244,
-     244, 245, 246, 247, 247, 248, 249, 250, 251, 251, 252, 253, 254, 254,
-     255},
-
-    {8, 12, 16, 19, 22, 24, 27, 29, 31, 34, 36, 38, 40, 41, 43, 45, 47, 49,
-     50, 52, 53, 55, 57, 58, 60, 61, 63, 64, 65, 67, 68, 70, 71, 72, 74, 75,
-     76, 77, 79, 80, 81, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96,
-     98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112,
-     113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126,
-     127, 128, 129, 130, 131, 132, 133, 134, 135, 135, 136, 137, 138, 139,
-     140, 141, 142, 143, 143, 144, 145, 146, 147, 148, 149, 150, 150, 151,
-     152, 153, 154, 155, 155, 156, 157, 158, 159, 160, 160, 161, 162, 163,
-     164, 165, 165, 166, 167, 168, 169, 169, 170, 171, 172, 173, 173, 174,
-     175, 176, 176, 177, 178, 179, 180, 180, 181, 182, 183, 183, 184, 185,
-     186, 186, 187, 188, 189, 189, 190, 191, 192, 192, 193, 194, 195, 195,
-     196, 197, 197, 198, 199, 200, 200, 201, 202, 202, 203, 204, 205, 205,
-     206, 207, 207, 208, 209, 210, 210, 211, 212, 212, 213, 214, 214, 215,
-     216, 216, 217, 218, 219, 219, 220, 221, 221, 222, 223, 223, 224, 225,
-     225, 226, 227, 227, 228, 229, 229, 230, 231, 231, 232, 233, 233, 234,
-     235, 235, 236, 237, 237, 238, 238, 239, 240, 240, 241, 242, 242, 243,
-     244, 244, 245, 246, 246, 247, 247, 248, 249, 249, 250, 251, 251, 252,
-     253, 253, 254, 254, 255},
-
-    {16, 23, 28, 32, 36, 39, 42, 45, 48, 50, 53, 55, 57, 60, 62, 64, 66, 68,
-     69, 71, 73, 75, 76, 78, 80, 81, 83, 84, 86, 87, 89, 90, 92, 93, 94, 96,
-     97, 98, 100, 101, 102, 103, 105, 106, 107, 108, 109, 110, 112, 113, 114,
-     115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 128, 128,
-     129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
-     143, 143, 144, 145, 146, 147, 148, 149, 150, 150, 151, 152, 153, 154,
-     155, 155, 156, 157, 158, 159, 159, 160, 161, 162, 163, 163, 164, 165,
-     166, 166, 167, 168, 169, 169, 170, 171, 172, 172, 173, 174, 175, 175,
-     176, 177, 177, 178, 179, 180, 180, 181, 182, 182, 183, 184, 184, 185,
-     186, 187, 187, 188, 189, 189, 190, 191, 191, 192, 193, 193, 194, 195,
-     195, 196, 196, 197, 198, 198, 199, 200, 200, 201, 202, 202, 203, 203,
-     204, 205, 205, 206, 207, 207, 208, 208, 209, 210, 210, 211, 211, 212,
-     213, 213, 214, 214, 215, 216, 216, 217, 217, 218, 219, 219, 220, 220,
-     221, 221, 222, 223, 223, 224, 224, 225, 225, 226, 227, 227, 228, 228,
-     229, 229, 230, 230, 231, 232, 232, 233, 233, 234, 234, 235, 235, 236,
-     236, 237, 237, 238, 239, 239, 240, 240, 241, 241, 242, 242, 243, 243,
-     244, 244, 245, 245, 246, 246, 247, 247, 248, 248, 249, 249, 250, 250,
-     251, 251, 252, 252, 253, 254, 254, 255, 255}
-};
-
-//---------------------------------------------------------------------------
-//
-// PROC V_DrawPatch
-//
-// Draws a column based masked pic to the screen.
-//
-//---------------------------------------------------------------------------
-
-void V_DrawPatch(int x, int y, patch_t * patch)
-{
-    int count;
-    int col;
-    column_t *column;
-    byte *desttop;
-    byte *dest;
-    byte *source;
-    int w;
-
-    y -= SHORT(patch->topoffset);
-    x -= SHORT(patch->leftoffset);
-    if (x < 0 || x + SHORT(patch->width) > SCREENWIDTH || y < 0
-        || y + SHORT(patch->height) > SCREENHEIGHT)
-    {
-        I_Error("Bad V_DrawPatch");
-    }
-    col = 0;
-    desttop = screen + y * SCREENWIDTH + x;
-    w = SHORT(patch->width);
-    for (; col < w; x++, col++, desttop++)
-    {
-        column = (column_t *) ((byte *) patch + LONG(patch->columnofs[col]));
-        // Step through the posts in a column
-        while (column->topdelta != 0xff)
-        {
-            source = (byte *) column + 3;
-            dest = desttop + column->topdelta * SCREENWIDTH;
-            count = column->length;
-            while (count--)
-            {
-                *dest = *source++;
-                dest += SCREENWIDTH;
-            }
-            column = (column_t *) ((byte *) column + column->length + 4);
-        }
-    }
-}
-
-/*
-==================
-=
-= V_DrawFuzzPatch
-=
-= Masks a column based translucent masked pic to the screen.
-=
-==================
-*/
-extern byte *tinttable;
-
-void V_DrawFuzzPatch(int x, int y, patch_t * patch)
-{
-    int count, col;
-    column_t *column;
-    byte *desttop, *dest, *source;
-    int w;
-
-    y -= SHORT(patch->topoffset);
-    x -= SHORT(patch->leftoffset);
-
-    if (x < 0 || x + SHORT(patch->width) > SCREENWIDTH || y < 0
-        || y + SHORT(patch->height) > SCREENHEIGHT)
-        I_Error("Bad V_DrawPatch");
-
-    col = 0;
-    desttop = screen + y * SCREENWIDTH + x;
-
-    w = SHORT(patch->width);
-    for (; col < w; x++, col++, desttop++)
-    {
-        column = (column_t *) ((byte *) patch + LONG(patch->columnofs[col]));
-
-// step through the posts in a column
-
-        while (column->topdelta != 0xff)
-        {
-            source = (byte *) column + 3;
-            dest = desttop + column->topdelta * SCREENWIDTH;
-            count = column->length;
-
-            while (count--)
-            {
-                *dest = tinttable[((*dest) << 8) + *source++];
-                dest += SCREENWIDTH;
-            }
-            column = (column_t *) ((byte *) column + column->length + 4);
-        }
-    }
-}
-
-/*
-==================
-=
-= V_DrawShadowedPatch
-=
-= Masks a column based masked pic to the screen.
-=
-==================
-*/
-
-void V_DrawShadowedPatch(int x, int y, patch_t * patch)
-{
-    int count, col;
-    column_t *column;
-    byte *desttop, *dest, *source;
-    byte *desttop2, *dest2;
-    int w;
-
-    y -= SHORT(patch->topoffset);
-    x -= SHORT(patch->leftoffset);
-
-    if (x < 0 || x + SHORT(patch->width) > SCREENWIDTH || y < 0
-        || y + SHORT(patch->height) > SCREENHEIGHT)
-        I_Error("Bad V_DrawPatch");
-
-    col = 0;
-    desttop = screen + y * SCREENWIDTH + x;
-    desttop2 = screen + (y + 2) * SCREENWIDTH + x + 2;
-
-    w = SHORT(patch->width);
-    for (; col < w; x++, col++, desttop++, desttop2++)
-    {
-        column = (column_t *) ((byte *) patch + LONG(patch->columnofs[col]));
-
-// step through the posts in a column
-
-        while (column->topdelta != 0xff)
-        {
-            source = (byte *) column + 3;
-            dest = desttop + column->topdelta * SCREENWIDTH;
-            dest2 = desttop2 + column->topdelta * SCREENWIDTH;
-            count = column->length;
-
-            while (count--)
-            {
-                *dest2 = tinttable[((*dest2) << 8)];
-                dest2 += SCREENWIDTH;
-                *dest = *source++;
-                dest += SCREENWIDTH;
-
-            }
-            column = (column_t *) ((byte *) column + column->length + 4);
-        }
-    }
-}
-
-//---------------------------------------------------------------------------
-//
-// PROC V_DrawRawScreen
-//
-//---------------------------------------------------------------------------
-
-void V_DrawRawScreen(byte * raw)
-{
-    memcpy(screen, raw, SCREENWIDTH * SCREENHEIGHT);
-}
-
-//---------------------------------------------------------------------------
-//
-// PROC V_Init
-//
-//---------------------------------------------------------------------------
-
-void V_Init(void)
-{
-    // I_AllocLow will put screen in low dos memory on PCs.
-    screen = I_AllocLow(SCREENWIDTH * SCREENHEIGHT);
-}
diff --git a/src/v_video.c b/src/v_video.c
index e2fc7eea..db2779c2 100644
--- a/src/v_video.c
+++ b/src/v_video.c
@@ -26,9 +26,6 @@
 //
 //-----------------------------------------------------------------------------
 
-
-
-
 #include "i_system.h"
 
 #include "doomtype.h"
@@ -42,6 +39,11 @@
 #include "w_wad.h"
 #include "z_zone.h"
 
+// Blending table used for fuzzpatch, etc.
+// Only used in Heretic/Hexen
+
+byte *tinttable = NULL;
+
 // The screen buffer that the v_video.c code draws to.
 
 static byte *dest_screen = NULL;
@@ -312,6 +314,114 @@ void V_DrawPatchDirect(int x, int y, patch_t *patch)
 {
     V_DrawPatch(x, y, patch); 
 } 
+
+//
+// V_DrawFuzzPatch
+//
+// Masks a column based translucent masked pic to the screen.
+//
+
+void V_DrawFuzzPatch(int x, int y, patch_t * patch)
+{
+    int count, col;
+    column_t *column;
+    byte *desttop, *dest, *source;
+    int w;
+
+    y -= SHORT(patch->topoffset);
+    x -= SHORT(patch->leftoffset);
+
+    if (x < 0
+     || x + SHORT(patch->width) > SCREENWIDTH 
+     || y < 0
+     || y + SHORT(patch->height) > SCREENHEIGHT)
+    {
+        I_Error("Bad V_DrawFuzzPatch");
+    }
+
+    col = 0;
+    desttop = dest_screen + y * SCREENWIDTH + x;
+
+    w = SHORT(patch->width);
+    for (; col < w; x++, col++, desttop++)
+    {
+        column = (column_t *) ((byte *) patch + LONG(patch->columnofs[col]));
+
+        // step through the posts in a column
+
+        while (column->topdelta != 0xff)
+        {
+            source = (byte *) column + 3;
+            dest = desttop + column->topdelta * SCREENWIDTH;
+            count = column->length;
+
+            while (count--)
+            {
+                *dest = tinttable[((*dest) << 8) + *source++];
+                dest += SCREENWIDTH;
+            }
+            column = (column_t *) ((byte *) column + column->length + 4);
+        }
+    }
+}
+
+//
+// V_DrawShadowedPatch
+//
+// Masks a column based masked pic to the screen.
+//
+
+void V_DrawShadowedPatch(int x, int y, patch_t *patch)
+{
+    int count, col;
+    column_t *column;
+    byte *desttop, *dest, *source;
+    byte *desttop2, *dest2;
+    int w;
+
+    y -= SHORT(patch->topoffset);
+    x -= SHORT(patch->leftoffset);
+
+    if (x < 0
+     || x + SHORT(patch->width) > SCREENWIDTH
+     || y < 0
+     || y + SHORT(patch->height) > SCREENHEIGHT)
+    {
+        I_Error("Bad V_DrawShadowedPatch");
+    }
+
+    col = 0;
+    desttop = dest_screen + y * SCREENWIDTH + x;
+    desttop2 = dest_screen + (y + 2) * SCREENWIDTH + x + 2;
+
+    w = SHORT(patch->width);
+    for (; col < w; x++, col++, desttop++, desttop2++)
+    {
+        column = (column_t *) ((byte *) patch + LONG(patch->columnofs[col]));
+
+        // step through the posts in a column
+
+        while (column->topdelta != 0xff)
+        {
+            source = (byte *) column + 3;
+            dest = desttop + column->topdelta * SCREENWIDTH;
+            dest2 = desttop2 + column->topdelta * SCREENWIDTH;
+            count = column->length;
+
+            while (count--)
+            {
+                *dest2 = tinttable[((*dest2) << 8)];
+                dest2 += SCREENWIDTH;
+                *dest = *source++;
+                dest += SCREENWIDTH;
+
+            }
+            column = (column_t *) ((byte *) column + column->length + 4);
+        }
+    }
+}
+
+
  
 
 
@@ -345,7 +455,16 @@ void V_DrawBlock(int x, int y, int width, int height, byte *src)
 	dest += SCREENWIDTH; 
     } 
 } 
+
+//
+// Draw a "raw" screen (lump containing raw data to blit directly
+// to the screen)
+//
  
+void V_DrawRawScreen(byte *raw)
+{
+    memcpy(dest_screen, raw, SCREENWIDTH * SCREENHEIGHT);
+}
 
 //
 // V_Init
diff --git a/src/v_video.h b/src/v_video.h
index d304f8f8..033633fc 100644
--- a/src/v_video.h
+++ b/src/v_video.h
@@ -57,6 +57,8 @@ void V_CopyRect(int srcx, int srcy, byte *source,
 
 void V_DrawPatch(int x, int y, patch_t *patch);
 void V_DrawPatchFlipped(int x, int y, patch_t *patch);
+void V_DrawFuzzPatch(int x, int y, patch_t *patch);
+void V_DrawShadowedPatch(int x, int y, patch_t *patch);
 
 void V_DrawPatchDirect(int x, int y, patch_t *patch);
 
@@ -66,6 +68,10 @@ void V_DrawBlock(int x, int y, int width, int height, byte *src);
 
 void V_MarkRect(int x, int y, int width, int height);
 
+// Draw a raw screen lump
+
+void V_DrawRawScreen(byte *raw);
+
 // Temporarily switch to using a different buffer to draw graphics, etc.
 
 void V_UseBuffer(byte *buffer);