Initial commit of Command & Conquer Renegade source code.

Code/Tools/ASF_IMP/read_asf.h

@@ -0,0 +1,194 @@
+/*
+**	Command & Conquer Renegade(tm)
+**	Copyright 2025 Electronic Arts Inc.
+**
+**	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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+//----------------------------------------------------------------------------
+// File_Class
+//----------------------------------------------------------------------------
+
+class File_Class
+{
+public:
+
+	FILE * fp;
+
+	File_Class ( const char * filename, const char * mode )
+	{
+		fp = fopen ( filename, mode );
+	}
+
+	~File_Class ()
+	{
+		if ( fp != NULL )
+			fclose ( fp );
+		fp = NULL;
+	}
+};
+
+//----------------------------------------------------------------------------
+// ASF_Lexeme_Type
+//----------------------------------------------------------------------------
+
+enum ASF_Lexeme_Type
+{
+	EOF_MARKER,
+	TOKEN,
+	NEWLINE
+};
+
+//----------------------------------------------------------------------------
+// ASF_Lexer
+//----------------------------------------------------------------------------
+
+#define MAX_TOKEN_LENGTH 512
+
+class ASF_Lexer
+{
+public:
+
+	ASF_Lexer ( const char * file_name );
+
+	ASF_Lexeme_Type	type () const { return Current_type; }
+	const char *	text () const { return Current_text; }
+
+	void			advance ();
+
+protected:
+
+	void			skip_whitespace ();
+
+	File_Class		Input_file;
+	int				Current_char;
+
+	ASF_Lexeme_Type	Current_type;
+	char 			Current_text [ MAX_TOKEN_LENGTH ];
+};
+
+//----------------------------------------------------------------------------
+// Bone_Class
+//----------------------------------------------------------------------------
+
+class Bone_Class
+{
+public:
+
+	Bone_Class ():
+		Name (""),
+		Direction (Point3 (0,0,0)),
+		Parent_bone (NULL),
+		Next_bone (NULL),
+		Length (0.0f)
+	{
+		Axis_tm.IdentityMatrix ();
+	}
+
+	~Bone_Class () { delete [] Name; }
+
+	void set_name ( const char * name )
+	{
+		Name = new char [ strlen (name) + 1 ];
+		strcpy ( Name, name );
+	}
+
+	void set_next_bone ( Bone_Class * next_bone )
+	{
+		Next_bone = next_bone;
+	}
+
+	void set_length ( float length ) { Length = length; }
+	void set_direction ( Point3 direction ) { Direction = direction; }
+	void set_axis_tm ( const Matrix3 & axis_tm ) { Axis_tm = axis_tm; }
+
+	void add_axis ( Axis_Names axis ) { Active_axes.add_axis ( axis ); }
+
+	void set_parent ( Bone_Class * parent_bone );
+
+	const char * name () const { return Name; }
+	Bone_Class * next_bone () const { return Next_bone; }
+
+	void create_node
+	(
+		ImpInterface *	import_interface,
+		Interface *		max_interface
+	);
+
+	void add_app_data ( int chunk_id, void * data, int data_size );
+
+private:
+
+	char *			Name;
+
+	Point3			Direction;
+	Matrix3			Axis_tm;
+
+	Bone_Class *	Parent_bone;
+	Bone_Class *	Next_bone;
+
+	ImpNode *		Node;
+
+	float			Length;
+
+	ASF_Data_Chunk	Active_axes;
+};
+
+//----------------------------------------------------------------------------
+// Skeleton_Class
+//----------------------------------------------------------------------------
+
+#define DEGREES_TO_RADIANS 1.7453293e-2f
+
+class Skeleton_Class
+{
+public:
+
+	Skeleton_Class
+	(
+		const char *	file_name,
+		ImpInterface *,
+		Interface *
+	);
+
+	~Skeleton_Class ();
+
+protected:
+
+	void add_bone_to_list ( Bone_Class * new_bone );
+
+	Bone_Class * find_bone ( const char * name );
+
+	void				parse_units_block ( ASF_Lexer & );
+	void				parse_root_block ( ASF_Lexer & );
+	void				parse_bonedata_block ( ASF_Lexer & );
+	void				parse_hierarchy_block ( ASF_Lexer & );
+	void				parse_hierarchy_line ( ASF_Lexer & );
+	void				parse_bone ( ASF_Lexer & );
+	void				skip_unrecognized_blocks ( ASF_Lexer & );
+	void				skip_to_next_line ( ASF_Lexer & );
+	void				match_newline ( ASF_Lexer & );
+	void				match_token ( ASF_Lexer &, const char * );
+	void				skip_token ( ASF_Lexer & );
+	void				verify_token ( ASF_Lexer & );
+	float				float_token ( ASF_Lexer & );
+
+	float				Angle_multiplier; // Converts angle to radians.
+	float				Length_multiplier;
+
+	ImpInterface *		Import_interface;
+	Interface *			Max_interface;
+
+	Bone_Class *		First_bone;
+};