The DOOM sources as originally released on December 23, 1997

linuxdoom-1.10/r_draw.h

@@ -0,0 +1,115 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// $Id:$
+//
+// Copyright (C) 1993-1996 by id Software, Inc.
+//
+// This source is available for distribution and/or modification
+// only under the terms of the DOOM Source Code License as
+// published by id Software. All rights reserved.
+//
+// The source is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
+// for more details.
+//
+// DESCRIPTION:
+//	System specific interface stuff.
+//
+//-----------------------------------------------------------------------------
+
+
+#ifndef __R_DRAW__
+#define __R_DRAW__
+
+
+#ifdef __GNUG__
+#pragma interface
+#endif
+
+
+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
+//-----------------------------------------------------------------------------
+//
+// $Log:$
+//
+//-----------------------------------------------------------------------------