So. A while ago, while trying to prevent hogs blowtorching getting turned around, unc0rr altered the old range of blowtorch from 1/8th of 180° up or down, to a 4° gain in upwards and a -4° loss in downwards. He also made it so that starting tunnels could fail to erase sufficient terrain, trapping hogs. Here are a couple of workarounds to more closely approximate old behaviour (do some initial erasure, adjust min/max angles)
/***************************************************************************/
/* */
/* cffobjs.h */
/* */
/* OpenType objects manager (specification). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2008 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#ifndef __CFFOBJS_H__
#define __CFFOBJS_H__
#include <ft2build.h>
#include FT_INTERNAL_OBJECTS_H
#include "cfftypes.h"
#include FT_INTERNAL_TRUETYPE_TYPES_H
#include FT_SERVICE_POSTSCRIPT_CMAPS_H
#include FT_INTERNAL_POSTSCRIPT_HINTS_H
FT_BEGIN_HEADER
/*************************************************************************/
/* */
/* <Type> */
/* CFF_Driver */
/* */
/* <Description> */
/* A handle to an OpenType driver object. */
/* */
typedef struct CFF_DriverRec_* CFF_Driver;
typedef TT_Face CFF_Face;
/*************************************************************************/
/* */
/* <Type> */
/* CFF_Size */
/* */
/* <Description> */
/* A handle to an OpenType size object. */
/* */
typedef struct CFF_SizeRec_
{
FT_SizeRec root;
FT_ULong strike_index; /* 0xFFFFFFFF to indicate invalid */
} CFF_SizeRec, *CFF_Size;
/*************************************************************************/
/* */
/* <Type> */
/* CFF_GlyphSlot */
/* */
/* <Description> */
/* A handle to an OpenType glyph slot object. */
/* */
typedef struct CFF_GlyphSlotRec_
{
FT_GlyphSlotRec root;
FT_Bool hint;
FT_Bool scaled;
FT_Fixed x_scale;
FT_Fixed y_scale;
} CFF_GlyphSlotRec, *CFF_GlyphSlot;
/*************************************************************************/
/* */
/* <Type> */
/* CFF_Internal */
/* */
/* <Description> */
/* The interface to the `internal' field of `FT_Size'. */
/* */
typedef struct CFF_InternalRec_
{
PSH_Globals topfont;
PSH_Globals subfonts[CFF_MAX_CID_FONTS];
} CFF_InternalRec, *CFF_Internal;
/*************************************************************************/
/* */
/* Subglyph transformation record. */
/* */
typedef struct CFF_Transform_
{
FT_Fixed xx, xy; /* transformation matrix coefficients */
FT_Fixed yx, yy;
FT_F26Dot6 ox, oy; /* offsets */
} CFF_Transform;
/***********************************************************************/
/* */
/* TrueType driver class. */
/* */
typedef struct CFF_DriverRec_
{
FT_DriverRec root;
void* extension_component;
} CFF_DriverRec;
FT_LOCAL( FT_Error )
cff_size_init( FT_Size size ); /* CFF_Size */
FT_LOCAL( void )
cff_size_done( FT_Size size ); /* CFF_Size */
FT_LOCAL( FT_Error )
cff_size_request( FT_Size size,
FT_Size_Request req );
#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
FT_LOCAL( FT_Error )
cff_size_select( FT_Size size,
FT_ULong strike_index );
#endif
FT_LOCAL( void )
cff_slot_done( FT_GlyphSlot slot );
FT_LOCAL( FT_Error )
cff_slot_init( FT_GlyphSlot slot );
/*************************************************************************/
/* */
/* Face functions */
/* */
FT_LOCAL( FT_Error )
cff_face_init( FT_Stream stream,
FT_Face face, /* CFF_Face */
FT_Int face_index,
FT_Int num_params,
FT_Parameter* params );
FT_LOCAL( void )
cff_face_done( FT_Face face ); /* CFF_Face */
/*************************************************************************/
/* */
/* Driver functions */
/* */
FT_LOCAL( FT_Error )
cff_driver_init( FT_Module module );
FT_LOCAL( void )
cff_driver_done( FT_Module module );
FT_END_HEADER
#endif /* __CFFOBJS_H__ */
/* END */