1 files changed, 112 insertions, 0 deletions
diff --git a/src/doom/r_draw.h b/src/doom/r_draw.h
new file mode 100644
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--- /dev/null
+++ b/src/doom/r_draw.h
@@ -0,0 +1,112 @@
+// 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:
+//	System specific interface stuff.
+//
+//-----------------------------------------------------------------------------
+
+
+#ifndef __R_DRAW__
+#define __R_DRAW__
+
+
+
+
+extern lighttable_t*	dc_colormap;
+extern int		dc_x;
+extern int		dc_yl;
+extern int		dc_yh;
+extern fixed_t		dc_iscale;
+extern fixed_t		dc_texturemid;
+
+// first pixel in a column
+extern byte*		dc_source;		
+
+
+// The span blitting interface.
+// Hook in assembler or system specific BLT
+//  here.
+void 	R_DrawColumn (void);
+void 	R_DrawColumnLow (void);
+
+// The Spectre/Invisibility effect.
+void 	R_DrawFuzzColumn (void);
+void 	R_DrawFuzzColumnLow (void);
+
+// Draw with color translation tables,
+//  for player sprite rendering,
+//  Green/Red/Blue/Indigo shirts.
+void	R_DrawTranslatedColumn (void);
+void	R_DrawTranslatedColumnLow (void);
+
+void
+R_VideoErase
+( unsigned	ofs,
+  int		count );
+
+extern int		ds_y;
+extern int		ds_x1;
+extern int		ds_x2;
+
+extern lighttable_t*	ds_colormap;
+
+extern fixed_t		ds_xfrac;
+extern fixed_t		ds_yfrac;
+extern fixed_t		ds_xstep;
+extern fixed_t		ds_ystep;
+
+// start of a 64*64 tile image
+extern byte*		ds_source;		
+
+extern byte*		translationtables;
+extern byte*		dc_translation;
+
+
+// Span blitting for rows, floor/ceiling.
+// No Sepctre effect needed.
+void 	R_DrawSpan (void);
+
+// Low resolution mode, 160x200?
+void 	R_DrawSpanLow (void);
+
+
+void
+R_InitBuffer
+( int		width,
+  int		height );
+
+
+// Initialize color translation tables,
+//  for player rendering etc.
+void	R_InitTranslationTables (void);
+
+
+
+// Rendering function.
+void R_FillBackScreen (void);
+
+// If the view size is not full screen, draws a border around it.
+void R_DrawViewBorder (void);
+
+
+
+#endif