added config.c generator

Makefile

@@ -26,8 +26,20 @@ rules.txt:
 			15-15=0.3333 21-21=0.3333 26-26=0.3333 > rules.txt ; \
 	fi
 
-config.c: system/config.c.example
-	if [ -f config.c ] ; then echo "config.c exists, not overriding" ; touch config.c ; else echo "config.c does not exist, create from system/config.c.example" ; cp system/config.c.example config.c ; fi
+config.c:
+	if [ -f config.c ] ; \
+		then echo "config.c exists, not overriding" ; \
+		touch config.c ; \
+	else echo "config.c does not exist, create" ; \
+		WIDTH=500 HEIGHT=500 ITERS=501 \
+		SAVE_PERIOD=50 AVERAGING_RADIUS=1 ENSEMBLE_SIZE=2 \
+		INIT1=0.7 INIT2=0.7 INIT4=0.7 INIT8=0.7 \
+		INIT16=0.25 INIT32=0 INIT64=0 INIT128=0 \
+		SOURCE_WIDTH=20 \
+		SRC1=1 SRC2=1 SRC4=1 SRC8=1 \
+		SRC16=0.75 SRC32=0 SRC64=0 SRC128=0 \
+		python system/gen_config_flatwave.py > config.c ; \
+	fi
 
 density/density.avi:
 	system/image_gen.sh density density/density.avi

system/gen_config_flatwave.py

+#!/usr/bin/python
+
+KEYS='WIDTH HEIGHT ITERS SAVE_PERIOD AVERAGING_RADIUS ENSEMBLE_SIZE INIT1 INIT2 INIT4 INIT8 INIT16 INIT32 INIT64 INIT128 SOURCE_WIDTH SRC1 SRC2 SRC4 SRC8 SRC16 SRC32 SRC64 SRC128'
+
+import sys, os
+
+KEYS=KEYS.split(' ')
+failed=False
+for key in KEYS:
+	if key not in os.environ:
+		failed=True
+		print "ERROR: undefined environment variable:", key
+assert not failed
+
+
+
+print '// Generated by', sys.argv[0]
+print '#define THREADS 8'
+print '#define WIDTH', os.environ['WIDTH']
+print '#define HEIGHT', os.environ['HEIGHT']
+print '#define ITERS', os.environ['ITERS']
+print '#define SAVE_PERIOD', os.environ['SAVE_PERIOD']
+print '#define AVERAGING_RADIUS', os.environ['AVERAGING_RADIUS']
+print '#define ENSEMBLE_SIZE', os.environ['ENSEMBLE_SIZE']
+print '#define SOURCE_WIDTH', os.environ['SOURCE_WIDTH']
+
+print '''
+// Field initialization
+void init()
+{
+	fill(0, 0, HEIGHT, WIDTH, ''' + \
+	', '.join([os.environ[key] for key in [
+		'INIT1', 'INIT2', 'INIT4', 'INIT8', 
+		'INIT16', 'INIT32', 'INIT64', 'INIT128'
+	]]) + ''');
+}
+
+// Sources rules
+void sources(int iter)
+{
+	if (iter==0) {
+		fill(0, WIDTH/2-SOURCE_WIDTH/2, HEIGHT, WIDTH/2+SOURCE_WIDTH/2, ''' + \
+			', '.join([os.environ[key] for key in [
+				'SRC1', 'SRC2', 'SRC4', 'SRC8',
+				'SRC16', 'SRC32', 'SRC64', 'SRC128'
+			]]) +''');
+	}
+}
+'''