Add 'persistence' alias for Lua noiseparams and validate more vector parameters

3 files changed, 68 insertions, 8 deletions

diff --git a/src/script/common/c_content.cpp b/src/script/common/c_content.cpp
index 8bb22186b..8f82b692a 100644
--- a/src/script/common/c_content.cpp
+++ b/src/script/common/c_content.cpp
@@ -983,14 +983,16 @@ bool read_noiseparams(lua_State *L, int index, NoiseParams *np)
 	if (!lua_istable(L, index))
 		return false;
 
-	np->offset     = getfloatfield_default(L, index, "offset",     0.0);
-	np->scale      = getfloatfield_default(L, index, "scale",      0.0);
-	np->persist    = getfloatfield_default(L, index, "persist",    0.0);
-	np->lacunarity = getfloatfield_default(L, index, "lacunarity", 2.0);
-	np->seed       = getintfield_default(L,   index, "seed",       0);
-	np->octaves    = getintfield_default(L,   index, "octaves",    0);
-
-	u32 flags = 0, flagmask = 0;
+	getfloatfield(L, index, "offset",      np->offset);
+	getfloatfield(L, index, "scale",       np->scale);
+	getfloatfield(L, index, "persist",     np->persist);
+	getfloatfield(L, index, "persistence", np->persist);
+	getfloatfield(L, index, "lacunarity",  np->lacunarity);
+	getintfield(L,   index, "seed",        np->seed);
+	getintfield(L,   index, "octaves",     np->octaves);
+
+	u32 flags    = 0;
+	u32 flagmask = 0;
 	np->flags = getflagsfield(L, index, "flags", flagdesc_noiseparams,
 		&flags, &flagmask) ? flags : NOISE_FLAG_DEFAULTS;
 
diff --git a/src/script/common/c_converter.cpp b/src/script/common/c_converter.cpp
index 5070dca2d..755485ee4 100644
--- a/src/script/common/c_converter.cpp
+++ b/src/script/common/c_converter.cpp
@@ -59,6 +59,19 @@ v2s16 read_v2s16(lua_State *L, int index)
 	return p;
 }
 
+v2s16 check_v2s16(lua_State *L, int index)
+{
+	v2s16 p;
+	luaL_checktype(L, index, LUA_TTABLE);
+	lua_getfield(L, index, "x");
+	p.X = luaL_checknumber(L, -1);
+	lua_pop(L, 1);
+	lua_getfield(L, index, "y");
+	p.Y = luaL_checknumber(L, -1);
+	lua_pop(L, 1);
+	return p;
+}
+
 v2s32 read_v2s32(lua_State *L, int index)
 {
 	v2s32 p;
@@ -85,6 +98,19 @@ v2f read_v2f(lua_State *L, int index)
 	return p;
 }
 
+v2f check_v2f(lua_State *L, int index)
+{
+	v2f p;
+	luaL_checktype(L, index, LUA_TTABLE);
+	lua_getfield(L, index, "x");
+	p.X = luaL_checknumber(L, -1);
+	lua_pop(L, 1);
+	lua_getfield(L, index, "y");
+	p.Y = luaL_checknumber(L, -1);
+	lua_pop(L, 1);
+	return p;
+}
+
 v3f read_v3f(lua_State *L, int index)
 {
 	v3f pos;
@@ -285,6 +311,32 @@ bool getintfield(lua_State *L, int table,
 	return got;
 }
 
+bool getintfield(lua_State *L, int table,
+		const char *fieldname, u16 &result)
+{
+	lua_getfield(L, table, fieldname);
+	bool got = false;
+	if(lua_isnumber(L, -1)){
+		result = lua_tonumber(L, -1);
+		got = true;
+	}
+	lua_pop(L, 1);
+	return got;
+}
+
+bool getintfield(lua_State *L, int table,
+		const char *fieldname, u32 &result)
+{
+	lua_getfield(L, table, fieldname);
+	bool got = false;
+	if(lua_isnumber(L, -1)){
+		result = lua_tonumber(L, -1);
+		got = true;
+	}
+	lua_pop(L, 1);
+	return got;
+}
+
 bool getfloatfield(lua_State *L, int table,
 		const char *fieldname, float &result)
 {
diff --git a/src/script/common/c_converter.h b/src/script/common/c_converter.h
index fdcd0c8fc..1d5be6971 100644
--- a/src/script/common/c_converter.h
+++ b/src/script/common/c_converter.h
@@ -53,6 +53,10 @@ size_t             getstringlistfield(lua_State *L, int table,
                              std::vector<std::string> *result);
 bool               getintfield(lua_State *L, int table,
                              const char *fieldname, int &result);
+bool               getintfield(lua_State *L, int table,
+                             const char *fieldname, u16 &result);
+bool               getintfield(lua_State *L, int table,
+                             const char *fieldname, u32 &result);
 void               read_groups(lua_State *L, int index,
                              std::map<std::string, int> &result);
 bool               getboolfield(lua_State *L, int table,
@@ -72,6 +76,8 @@ void               setboolfield(lua_State *L, int table,
 
 
 v3f                 checkFloatPos       (lua_State *L, int index);
+v2f                 check_v2f           (lua_State *L, int index);
+v2s16               check_v2s16         (lua_State *L, int index);
 v3f                 check_v3f           (lua_State *L, int index);
 v3s16               check_v3s16         (lua_State *L, int index);