? random_value_patch.txt
? projectfiles_vc7/blender/blender.ncb
? projectfiles_vc7/blender/blender.suo
Index: source/blender/blenkernel/BKE_node.h
===================================================================
RCS file: /cvsroot/bf-blender/blender/source/blender/blenkernel/BKE_node.h,v
retrieving revision 1.36
diff -u -r1.36 BKE_node.h
--- source/blender/blenkernel/BKE_node.h	19 Jan 2007 12:43:01 -0000	1.36
+++ source/blender/blenkernel/BKE_node.h	28 Jan 2007 22:45:35 -0000
@@ -252,6 +252,7 @@
 #define CMP_NODE_COMBHSVA		246
 #define CMP_NODE_MATH			247
 #define CMP_NODE_LUMA_MATTE		248
+#define CMP_NODE_RANDOM_VALUE	250
 
 
 /* filter types */
Index: source/blender/blenkernel/intern/node_composite.c
===================================================================
RCS file: /cvsroot/bf-blender/blender/source/blender/blenkernel/intern/node_composite.c,v
retrieving revision 1.101
diff -u -r1.101 node_composite.c
--- source/blender/blenkernel/intern/node_composite.c	19 Jan 2007 12:43:02 -0000	1.101
+++ source/blender/blenkernel/intern/node_composite.c	28 Jan 2007 22:45:07 -0000
@@ -5859,6 +5859,51 @@
 	/* execfunc    */	node_composit_exec_math
 };
 
+/* **************** RAMDOM_VALUE ******************** */
+static bNodeSocketType cmp_node_ramdom_value_in[]= {
+	{	SOCK_VALUE, 1, "Min : ",		0.0, 0.0, 0.0, 0.0, -999999, 999999},
+	{	SOCK_VALUE, 1, "Max : ",		1.0, 0.0, 0.0, 0.0, -999999, 999999},
+	{	-1, 0, ""	}
+};
+
+static bNodeSocketType cmp_node_ramdom_value_out[]= {
+	{	SOCK_VALUE, 0, "Value",		0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
+	{	-1, 0, ""	}
+};
+
+static void node_composit_exec_ramdom_value(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
+{
+	float random_number;
+	float min, max, range;
+
+
+	min = (float)(in[0]->vec[0]);
+	max = (float)(in[1]->vec[0]);
+
+	range = abs(max - min);
+
+	if (range < 1)
+	{
+		range = 1;
+	}
+
+	srand ( time(NULL) * G.scene->r.cfra );
+	random_number = min+((float)rand()*range/(RAND_MAX+1));
+
+	out[0]->vec[0]= random_number;
+}
+
+static bNodeType cmp_node_random_value= {
+	/* type code   */	CMP_NODE_RANDOM_VALUE,
+	/* name        */	"Random Value",
+	/* width+range */	160, 40, 200,
+	/* class+opts  */	NODE_CLASS_INPUT, NODE_OPTIONS,
+	/* input sock  */	cmp_node_ramdom_value_in,
+	/* output sock */	cmp_node_ramdom_value_out,
+	/* storage     */	"", 
+	/* execfunc    */	node_composit_exec_ramdom_value
+};
+
 /* ****************** types array for all shaders ****************** */
 
 bNodeType *node_all_composit[]= {
@@ -5870,6 +5915,7 @@
 	&cmp_node_value,
 	&cmp_node_rgb,
 	&cmp_node_time,
+	&cmp_node_random_value,
 	
 	&cmp_node_composite,
 	&cmp_node_viewer,