initial importHEADmain

1 files changed, 129 insertions, 0 deletions

diff --git a/src/parsec/d_misc.cpp b/src/parsec/d_misc.cpp
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+++ b/src/parsec/d_misc.cpp
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+/*
+ * PARSEC - Subsystem Independent Miscellaneous Drawing Code
+ *
+ * $Author: uberlinuxguy $ - $Date: 2004/09/15 12:25:21 $
+ *
+ * Orginally written by:
+ *   Copyright (c) Clemens Beer        <cbx@parsec.org>   2001-2002
+ *
+ *  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
+ */ 
+
+// C library
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// compilation flags/debug support
+#include "config.h"
+#include "debug.h"
+
+// general definitions
+#include "general.h"
+#include "objstruc.h"
+
+// global externals
+#include "globals.h"
+
+// subsystem headers
+#include "vid_defs.h"
+
+// drawing subsystem
+#include "d_iter.h"
+#include "d_misc.h"
+
+// mathematics header
+#include "utl_math.h"
+
+// proprietary module headers
+#include "e_color.h"
+#include "ro_api.h"
+#include "ro_supp.h"
+
+
+// draw a line in world space -------------------------------------------------
+//
+void D_LineWorld( const Vector3* start, const Vector3* end, const colrgba_s* color )
+{
+	IterLine3 itline;
+	itline.NumVerts  = 2;
+	
+	itline.flags	 = ITERFLAG_LS_ANTIALIASED | ITERFLAG_Z_DIV_XYZ | ITERFLAG_Z_TO_DEPTH | ITERFLAG_NONDESTRUCTIVE;
+	
+	itline.itertype  = iter_rgba;
+	itline.raststate = rast_zbuffer;
+	itline.rastmask  = rast_nomask;
+	
+	itline.Vtxs[ 0 ].W	   = GEOMV_1;
+	itline.Vtxs[ 0 ].R 	   = color->R;
+	itline.Vtxs[ 0 ].G 	   = color->G;
+	itline.Vtxs[ 0 ].B 	   = color->B;
+	itline.Vtxs[ 0 ].A 	   = color->A;
+	itline.Vtxs[ 0 ].flags = ITERVTXFLAG_NONE;
+	
+	itline.Vtxs[ 1 ].W	   = GEOMV_1;
+	itline.Vtxs[ 1 ].R 	   = color->R;
+	itline.Vtxs[ 1 ].G 	   = color->G;
+	itline.Vtxs[ 1 ].B 	   = color->B;
+	itline.Vtxs[ 1 ].A 	   = color->A;
+	itline.Vtxs[ 1 ].flags = ITERVTXFLAG_NONE;
+
+	MtxVctMUL( ViewCamera, start, (Vertex3*)&itline.Vtxs[ 0 ] );
+	MtxVctMUL( ViewCamera, end,   (Vertex3*)&itline.Vtxs[ 1 ] );
+	
+	// setup transformation matrix
+	D_LoadIterMatrix( NULL );
+
+	D_DrawIterLine3( &itline, 0x00 );
+}
+
+// draw a frame of reference as a axis cross ----------------------------------
+//
+void D_FrameOfReference( const Xmatrx frame, const Vector3* transl )
+{
+	ASSERT( frame != NULL );
+
+	Vector3 orig;
+	Vector3 axis[ 3 ];
+	FetchXVector( frame, &axis[ 0 ] );
+	FetchYVector( frame, &axis[ 1 ] );
+	FetchZVector( frame, &axis[ 2 ] );
+	FetchTVector( frame, &orig );
+
+	// scale axis
+	VECMULS( &axis[ 0 ], &axis[ 0 ], INT_TO_GEOMV( 30 ) );
+	VECMULS( &axis[ 1 ], &axis[ 1 ], INT_TO_GEOMV( 30 ) );
+	VECMULS( &axis[ 2 ], &axis[ 2 ], INT_TO_GEOMV( 30 ) );
+
+	VECADD( &axis[ 0 ], &axis[ 0 ], &orig );
+	VECADD( &axis[ 1 ], &axis[ 1 ], &orig );
+	VECADD( &axis[ 2 ], &axis[ 2 ], &orig );
+	
+	if ( transl != NULL ) {
+		VECADD( &axis[ 0 ], &axis[ 0 ], transl );
+		VECADD( &axis[ 1 ], &axis[ 1 ], transl );
+		VECADD( &axis[ 2 ], &axis[ 2 ], transl );
+		VECADD( &orig, &orig, transl );
+	}
+
+	colrgba_s color;
+	SETRGBA( &color, 255, 0, 0, 255 );
+	D_LineWorld( &orig, &axis[ 0 ], &color );
+	SETRGBA( &color, 0, 255, 0, 255 );
+	D_LineWorld( &orig, &axis[ 1 ], &color );
+	SETRGBA( &color, 0, 0, 255, 255 );
+	D_LineWorld( &orig, &axis[ 2 ], &color );
+}
+