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Add flags and lacunarity as new noise parameters

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Add 'absolute value' option to noise map functions
Extend persistence modulation to 3D noise
Extend 'eased' option to noise2d_perlin* functions
Some noise.cpp formatting fixups
This commit is contained in:
kwolekr 2014-12-07 21:57:12 -05:00
parent 638f3a8454
commit 2fd3d52020
16 changed files with 306 additions and 214 deletions
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53
src/script/lua_api/l_noise.cpp
View file

@ -31,6 +31,7 @@ int LuaPerlinNoise::gc_object(lua_State *L)
return 0;
}
int LuaPerlinNoise::l_get2d(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
@ -40,6 +41,8 @@ int LuaPerlinNoise::l_get2d(lua_State *L)
lua_pushnumber(L, val);
return 1;
}
int LuaPerlinNoise::l_get3d(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
@ -60,10 +63,12 @@ LuaPerlinNoise::LuaPerlinNoise(int a_seed, int a_octaves, float a_persistence,
{
}
LuaPerlinNoise::~LuaPerlinNoise()
{
}
// LuaPerlinNoise(seed, octaves, persistence, scale)
// Creates an LuaPerlinNoise and leaves it on top of stack
int LuaPerlinNoise::create_object(lua_State *L)
@ -80,15 +85,18 @@ int LuaPerlinNoise::create_object(lua_State *L)
return 1;
}
LuaPerlinNoise* LuaPerlinNoise::checkobject(lua_State *L, int narg)
{
NO_MAP_LOCK_REQUIRED;
luaL_checktype(L, narg, LUA_TUSERDATA);
void *ud = luaL_checkudata(L, narg, className);
if(!ud) luaL_typerror(L, narg, className);
if (!ud)
luaL_typerror(L, narg, className);
return *(LuaPerlinNoise**)ud; // unbox pointer
}
void LuaPerlinNoise::Register(lua_State *L)
{
lua_newtable(L);
@ -117,6 +125,7 @@ void LuaPerlinNoise::Register(lua_State *L)
lua_register(L, className, create_object);
}
const char LuaPerlinNoise::className[] = "PerlinNoise";
const luaL_reg LuaPerlinNoise::methods[] = {
luamethod(LuaPerlinNoise, get2d),
@ -124,11 +133,11 @@ const luaL_reg LuaPerlinNoise::methods[] = {
{0,0}
};
/*
PerlinNoiseMap
*/
int LuaPerlinNoiseMap::gc_object(lua_State *L)
{
LuaPerlinNoiseMap *o = *(LuaPerlinNoiseMap **)(lua_touserdata(L, 1));
@ -136,6 +145,7 @@ int LuaPerlinNoiseMap::gc_object(lua_State *L)
return 0;
}
int LuaPerlinNoiseMap::l_get2dMap(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
@ -160,6 +170,7 @@ int LuaPerlinNoiseMap::l_get2dMap(lua_State *L)
return 1;
}
int LuaPerlinNoiseMap::l_get2dMap_flat(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
@ -181,6 +192,7 @@ int LuaPerlinNoiseMap::l_get2dMap_flat(lua_State *L)
return 1;
}
int LuaPerlinNoiseMap::l_get3dMap(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
@ -190,7 +202,7 @@ int LuaPerlinNoiseMap::l_get3dMap(lua_State *L)
v3f p = read_v3f(L, 2);
Noise *n = o->noise;
n->perlinMap3D(p.X, p.Y, p.Z, n->np->eased);
n->perlinMap3D(p.X, p.Y, p.Z);
lua_newtable(L);
for (int z = 0; z != n->sz; z++) {
@ -208,6 +220,7 @@ int LuaPerlinNoiseMap::l_get3dMap(lua_State *L)
return 1;
}
int LuaPerlinNoiseMap::l_get3dMap_flat(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
@ -216,7 +229,7 @@ int LuaPerlinNoiseMap::l_get3dMap_flat(lua_State *L)
v3f p = read_v3f(L, 2);
Noise *n = o->noise;
n->perlinMap3D(p.X, p.Y, p.Z, n->np->eased);
n->perlinMap3D(p.X, p.Y, p.Z);
int maplen = n->sx * n->sy * n->sz;
@ -230,37 +243,42 @@ int LuaPerlinNoiseMap::l_get3dMap_flat(lua_State *L)
return 1;
}
LuaPerlinNoiseMap::LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size) {
LuaPerlinNoiseMap::LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size)
{
memcpy(&m_noise_params, np, sizeof(m_noise_params));
try {
noise = new Noise(np, seed, size.X, size.Y, size.Z);
noise = new Noise(&m_noise_params, seed, size.X, size.Y, size.Z);
} catch (InvalidNoiseParamsException &e) {
throw LuaError(e.what());
}
}
LuaPerlinNoiseMap::~LuaPerlinNoiseMap()
{
delete noise->np;
delete noise;
}
// LuaPerlinNoiseMap(np, size)
// Creates an LuaPerlinNoiseMap and leaves it on top of stack
int LuaPerlinNoiseMap::create_object(lua_State *L)
{
NoiseParams *np = read_noiseparams(L, 1);
if (!np)
NoiseParams np;
if (!read_noiseparams(L, 1, &np))
return 0;
v3s16 size = read_v3s16(L, 2);
LuaPerlinNoiseMap *o = new LuaPerlinNoiseMap(np, 0, size);
LuaPerlinNoiseMap *o = new LuaPerlinNoiseMap(&np, 0, size);
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
return 1;
}
LuaPerlinNoiseMap* LuaPerlinNoiseMap::checkobject(lua_State *L, int narg)
LuaPerlinNoiseMap *LuaPerlinNoiseMap::checkobject(lua_State *L, int narg)
{
luaL_checktype(L, narg, LUA_TUSERDATA);
@ -271,6 +289,7 @@ LuaPerlinNoiseMap* LuaPerlinNoiseMap::checkobject(lua_State *L, int narg)
return *(LuaPerlinNoiseMap **)ud; // unbox pointer
}
void LuaPerlinNoiseMap::Register(lua_State *L)
{
lua_newtable(L);
@ -299,6 +318,7 @@ void LuaPerlinNoiseMap::Register(lua_State *L)
lua_register(L, className, create_object);
}
const char LuaPerlinNoiseMap::className[] = "PerlinNoiseMap";
const luaL_reg LuaPerlinNoiseMap::methods[] = {
luamethod(LuaPerlinNoiseMap, get2dMap),
@ -320,6 +340,7 @@ int LuaPseudoRandom::gc_object(lua_State *L)
return 0;
}
// next(self, min=0, max=32767) -> get next value
int LuaPseudoRandom::l_next(lua_State *L)
{
@ -354,19 +375,23 @@ LuaPseudoRandom::LuaPseudoRandom(int seed):
{
}
LuaPseudoRandom::~LuaPseudoRandom()
{
}
const PseudoRandom& LuaPseudoRandom::getItem() const
{
return m_pseudo;
}
PseudoRandom& LuaPseudoRandom::getItem()
{
return m_pseudo;
}
// LuaPseudoRandom(seed)
// Creates an LuaPseudoRandom and leaves it on top of stack
int LuaPseudoRandom::create_object(lua_State *L)
@ -379,14 +404,17 @@ int LuaPseudoRandom::create_object(lua_State *L)
return 1;
}
LuaPseudoRandom* LuaPseudoRandom::checkobject(lua_State *L, int narg)
{
luaL_checktype(L, narg, LUA_TUSERDATA);
void *ud = luaL_checkudata(L, narg, className);
if(!ud) luaL_typerror(L, narg, className);
if (!ud)
luaL_typerror(L, narg, className);
return *(LuaPseudoRandom**)ud; // unbox pointer
}
void LuaPseudoRandom::Register(lua_State *L)
{
lua_newtable(L);
@ -415,6 +443,7 @@ void LuaPseudoRandom::Register(lua_State *L)
lua_register(L, className, create_object);
}
const char LuaPseudoRandom::className[] = "PseudoRandom";
const luaL_reg LuaPseudoRandom::methods[] = {
luamethod(LuaPseudoRandom, next),