From d50878d608fdea2be890ff75b93212f5bba1d6f8 Mon Sep 17 00:00:00 2001
From: kwolekr <kwolekr@minetest.net>
Date: Tue, 9 Dec 2014 23:44:04 -0500
Subject: [PATCH] Rename and repurpose minetest.set_noiseparam_defaults to
 set_noiseparams

---
 doc/lua_api.txt                 |  8 ++++----
 src/script/lua_api/l_mapgen.cpp | 31 +++++++++----------------------
 src/script/lua_api/l_mapgen.h   |  4 ++--
 3 files changed, 15 insertions(+), 28 deletions(-)

diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index df4b59a05..4e63a02e0 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -1547,10 +1547,10 @@ minetest.set_mapgen_params(MapgenParams)
 ^ Leave field unset to leave that parameter unchanged
 ^ flags contains a comma-delimited string of flags to set, or if the prefix "no" is attached, clears instead.
 ^ flags is in the same format and has the same options as 'mg_flags' in minetest.conf
-minetest.set_noiseparam_defaults({np1=NoiseParams, np2= NoiseParams, ...})
-^ Sets the default value of a noiseparam setting
-^ Takes a table as an argument that maps one or more setting names to NoiseParams structures
-^ Possible setting names consist of any NoiseParams setting exposed through the global settings
+minetest.set_noiseparams(name, noiseparams, set_default)
+^ Sets the noiseparams setting of 'name' to the noiseparams table specified in 'noiseparams'.
+^ 'set_default', is an optional boolean (default of true) that specifies whether the setting
+^ should be applied to the default config or current active config
 minetest.clear_objects()
 ^ clear all objects in the environments
 minetest.line_of_sight(pos1, pos2, stepsize) -> true/false, pos
diff --git a/src/script/lua_api/l_mapgen.cpp b/src/script/lua_api/l_mapgen.cpp
index 78cf389e0..0e3d219a4 100644
--- a/src/script/lua_api/l_mapgen.cpp
+++ b/src/script/lua_api/l_mapgen.cpp
@@ -262,32 +262,19 @@ int ModApiMapgen::l_set_mapgen_params(lua_State *L)
 	return 0;
 }
 
-// set_noiseparam_defaults({np1={noise params}, ...})
-// set default values for noise parameters if not present in global settings
-int ModApiMapgen::l_set_noiseparam_defaults(lua_State *L)
+// set_noiseparams(name, noiseparams, set_default)
+// set global config values for noise parameters
+int ModApiMapgen::l_set_noiseparams(lua_State *L)
 {
-	NoiseParams np;
-	std::string val, name;
+	const char *name = luaL_checkstring(L, 1);
 
-	if (!lua_istable(L, 1))
+	NoiseParams np;
+	if (!read_noiseparams(L, 2, &np))
 		return 0;
 
-	lua_pushnil(L);
-	while (lua_next(L, 1)) {
-		if (read_noiseparams(L, -1, &np)) {
-			/// TODO(hmmmm): Update this for newer noiseparam formats
-			/// Right now this is safe because serializeStructToString() won't
-			/// touch memory outside of what the format string specifies
-			if (!serializeStructToString(&val, NOISEPARAMS_FMT_STR, &np))
-				continue;
-			if (!lua_isstring(L, -2))
-				continue;
+	bool set_default = lua_isboolean(L, 3) ? lua_toboolean(L, 3) : true;
 
-			name = lua_tostring(L, -2);
-			g_settings->setDefault(name, val);
-		}
-		lua_pop(L, 1);
-	}
+	g_settings->setNoiseParams(name, np, set_default);
 
 	return 0;
 }
@@ -682,7 +669,7 @@ void ModApiMapgen::Initialize(lua_State *L, int top)
 	API_FCT(get_mapgen_object);
 
 	API_FCT(set_mapgen_params);
-	API_FCT(set_noiseparam_defaults);
+	API_FCT(set_noiseparams);
 	API_FCT(set_gen_notify);
 
 	API_FCT(register_biome);
diff --git a/src/script/lua_api/l_mapgen.h b/src/script/lua_api/l_mapgen.h
index d76190f27..72bf1f59b 100644
--- a/src/script/lua_api/l_mapgen.h
+++ b/src/script/lua_api/l_mapgen.h
@@ -37,8 +37,8 @@ private:
 	// set mapgen parameters
 	static int l_set_mapgen_params(lua_State *L);
 
-	// set_noiseparam_defaults({np1={noise params}, ...})
-	static int l_set_noiseparam_defaults(lua_State *L);
+	// set_noiseparam_defaults(name, noiseparams, set_default)
+	static int l_set_noiseparams(lua_State *L);
 
 	// set_gen_notify(flagstring)
 	static int l_set_gen_notify(lua_State *L);