1 files changed, 71 insertions, 0 deletions
diff --git a/scaf/include/pdp_ca.h b/scaf/include/pdp_ca.h
new file mode 100644
index 0000000..acaeea7
--- /dev/null
+++ b/scaf/include/pdp_ca.h
@@ -0,0 +1,71 @@
+/*
+ *   Cellular Automata Extension Module for pdp - Main header file
+ *   Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ *   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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef PDP_CA_H
+#define PDP_CA_H
+
+#include "pdp.h"
+
+
+
+/* 2D CA DATA PACKET */
+typedef struct
+{
+    unsigned int encoding;  /* CA data format */
+    unsigned int width;     /* CA width (in 1 bit cells) */
+    unsigned int height;    /* CA height (in 1 bit cells) */
+    unsigned int offset;    /* bit offset of upper left corner */
+    
+} t_ca;
+
+/* CA encodings */
+#define PDP_CA_STANDARD     1  /* rectangular CA */
+
+/* pdp data packet types */
+#define PDP_CA              2  /* 1bit toroidial shifted scanline encoded cellular automaton */
+
+
+/* all symbols are C-style */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+/* some utility methods for CA */
+int pdp_type_isvalid_ca(int packet);
+int pdp_type_ca2grey(int packet);
+int pdp_type_grey2ca(int packet, short int threshold);
+
+/* returns a pointer to the ca subheader given the pdp header */
+t_ca *pdp_type_ca_info(t_pdp *x);
+
+/* mmx feeder routine */
+unsigned long long scaf_feeder(void *tos, void *reg, void (*ca_rule)(void), void *env);
+
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //PDP_CA_H