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utils/height2ssbump/height2ssbump.cpp

@@ -0,0 +1,123 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//===========================================================================//
+
+#include "tier0/platform.h"
+#include "tier0/progressbar.h"
+#include "bitmap/float_bm.h"
+#include "mathlib/mathlib.h"
+#include "tier2/tier2.h"
+#include "tier0/memdbgon.h"
+
+static void PrintArgSummaryAndExit( void )
+{
+	printf( "format is 'height2ssbump filename.tga bumpscale'\n" );
+	printf( "options:\n-r NUM\tSet the number of rays (default = 250. more rays take more time).\n");
+	printf( "-n\tGenerate a conventional normal map\n" );
+	printf( "-A\tGenerate ambient occlusion in the alpha channel\n" );
+	printf( "-f NUM\tSet smoothing filter radius (0=no filter, default = 10)\n");
+	printf( "-D\tWrite out the filtered result as filterd.tga\n");
+	exit(1);
+}
+
+void main(int argc,char **argv)
+{
+	InitCommandLineProgram( argc, argv );
+	int nCurArg = 1;
+
+	bool bNormalOnly = false;
+	float flFilterRadius = 10.0;
+	bool bWriteFiltered = false;
+
+	uint32 nSSBumpFlags = 0;
+
+	int nNumRays = 250;
+
+	while ( ( nCurArg < argc ) && ( argv[nCurArg][0] == '-' ) )
+	{
+		switch( argv[nCurArg][1] )
+		{
+			case 'n':										// lighting from normal only
+			{
+				bNormalOnly = true;
+			}
+			break;
+
+			case 'r':										// set # of rays
+			{
+				nNumRays = atoi( argv[++nCurArg] );
+			}
+			break;
+
+			case 'f':										// filter radius
+			{
+				flFilterRadius = atof( argv[++nCurArg] );
+			}
+			break;
+
+			case 'd':										// detail texture
+			{
+				nSSBumpFlags |= SSBUMP_MOD2X_DETAIL_TEXTURE;
+			}
+			break;
+
+			case 'A':										// ambeint occlusion
+			{
+				nSSBumpFlags |= SSBUMP_OPTION_NONDIRECTIONAL;
+			}
+			break;
+
+			case 'D':										// debug - write filtered output
+			{
+				bWriteFiltered = true;
+			}
+			break;
+
+			case '?':										// args
+			{
+				PrintArgSummaryAndExit();
+			}
+			break;
+
+			default:
+				printf("unrecogized option %s\n", argv[nCurArg] );
+				PrintArgSummaryAndExit();
+		}
+		nCurArg++;
+		
+	}
+	argc -= ( nCurArg - 1 );
+	argv += ( nCurArg - 1 );
+
+	if ( argc != 3 )
+	{
+		PrintArgSummaryAndExit();
+	}
+	ReportProgress( "reading src texture", 0, 0);
+	FloatBitMap_t src_texture( argv[1] );
+	src_texture.TileableBilateralFilter( flFilterRadius, 2.0 / 255.0 );
+	if ( bWriteFiltered )
+		src_texture.WriteTGAFile( "filtered.tga" );
+
+	FloatBitMap_t * out;
+
+	if ( bNormalOnly )
+		out = src_texture.ComputeBumpmapFromHeightInAlphaChannel( atof( argv[2] ) );
+	else
+		out = src_texture.ComputeSelfShadowedBumpmapFromHeightInAlphaChannel( 
+			atof( argv[2] ), nNumRays, nSSBumpFlags );
+
+	char oname[1024];
+	strcpy( oname, argv[1] );
+	char * dot = strchr( oname, '.' );
+	if ( ! dot )
+		dot = oname + strlen( oname );
+	if ( bNormalOnly )
+		strcpy( dot, "-bump.tga" );
+	else
+		strcpy( dot, "-ssbump.tga" );
+	out->WriteTGAFile( oname );
+	delete out;
+}

utils/height2ssbump/height2ssbump.vpc

@@ -0,0 +1,48 @@
+//-----------------------------------------------------------------------------
+//	HEIGHT2SSBUMP.VPC
+//
+//	Project Script
+//-----------------------------------------------------------------------------
+
+$Macro SRCDIR		"..\.."
+$Macro OUTBINDIR	"$SRCDIR\..\game\bin"
+
+$Include "$SRCDIR\vpc_scripts\source_exe_con_base.vpc"
+
+$Configuration	"Debug"
+{
+	$Compiler
+	{
+		$AdditionalIncludeDirectories		"$BASE,..\common"
+	}
+
+	$Linker
+	{
+		$DebuggableAssembly					"Runtime tracking and disable optimizations (/ASSEMBLYDEBUG)"
+	}
+}
+
+$Configuration	"Release"
+{
+	$Compiler
+	{
+		$AdditionalIncludeDirectories		"$BASE,..\common"
+	}
+}
+
+$Project "Height2ssbump"
+{
+	$Folder "Source Files"
+	{
+		-$File	"$SRCDIR\public\tier0\memoverride.cpp"
+		$File	"height2ssbump.cpp"
+	}
+	
+	$Folder	"Link Libraries"
+	{
+		$Lib bitmap
+		$Lib mathlib
+		$Lib raytrace
+		$Lib tier2
+	}
+}