diff options
-rw-r--r-- | src/cavegen.cpp | 4 | ||||
-rw-r--r-- | src/cavegen.h | 6 | ||||
-rw-r--r-- | src/dungeongen.h | 2 | ||||
-rw-r--r-- | src/mapgen.cpp | 20 | ||||
-rw-r--r-- | src/mapgen.h | 6 | ||||
-rw-r--r-- | src/mg_biome.h | 2 | ||||
-rw-r--r-- | src/noise.cpp | 26 | ||||
-rw-r--r-- | src/noise.h | 32 | ||||
-rw-r--r-- | src/script/lua_api/l_env.cpp | 2 | ||||
-rw-r--r-- | src/script/lua_api/l_noise.cpp | 2 | ||||
-rw-r--r-- | src/script/lua_api/l_noise.h | 4 | ||||
-rw-r--r-- | src/treegen.cpp | 8 | ||||
-rw-r--r-- | src/treegen.h | 8 |
13 files changed, 68 insertions, 54 deletions
diff --git a/src/cavegen.cpp b/src/cavegen.cpp index 1c25ce711..dc7355fe0 100644 --- a/src/cavegen.cpp +++ b/src/cavegen.cpp @@ -35,7 +35,7 @@ static NoiseParams nparams_caveliquids(0, 1, v3f(150.0, 150.0, 150.0), 776, 3, 0 CavesNoiseIntersection::CavesNoiseIntersection( INodeDefManager *nodedef, BiomeManager *biomemgr, v3s16 chunksize, - NoiseParams *np_cave1, NoiseParams *np_cave2, int seed, float cave_width) + NoiseParams *np_cave1, NoiseParams *np_cave2, s32 seed, float cave_width) { assert(nodedef); assert(biomemgr); @@ -130,7 +130,7 @@ void CavesNoiseIntersection::generateCaves(MMVManip *vm, CavesRandomWalk::CavesRandomWalk( INodeDefManager *ndef, GenerateNotifier *gennotify, - int seed, + s32 seed, int water_level, content_t water_source, content_t lava_source) diff --git a/src/cavegen.h b/src/cavegen.h index da0894635..2bf503d47 100644 --- a/src/cavegen.h +++ b/src/cavegen.h @@ -41,7 +41,7 @@ class CavesNoiseIntersection { public: CavesNoiseIntersection(INodeDefManager *nodedef, BiomeManager *biomemgr, v3s16 chunksize, NoiseParams *np_cave1, NoiseParams *np_cave2, - int seed, float cave_width); + s32 seed, float cave_width); ~CavesNoiseIntersection(); void generateCaves(MMVManip *vm, v3s16 nmin, v3s16 nmax, u8 *biomemap); @@ -83,7 +83,7 @@ public: s16 *heightmap; // configurable parameters - int seed; + s32 seed; int water_level; int lava_depth; NoiseParams *np_caveliquids; @@ -122,7 +122,7 @@ public: // If gennotify is NULL, generation events are not logged. CavesRandomWalk(INodeDefManager *ndef, GenerateNotifier *gennotify = NULL, - int seed = 0, + s32 seed = 0, int water_level = 1, content_t water_source = CONTENT_IGNORE, content_t lava_source = CONTENT_IGNORE); diff --git a/src/dungeongen.h b/src/dungeongen.h index f0a5e5ba8..898627483 100644 --- a/src/dungeongen.h +++ b/src/dungeongen.h @@ -39,7 +39,7 @@ int dir_to_facedir(v3s16 d); struct DungeonParams { - int seed; + s32 seed; content_t c_water; content_t c_river_water; diff --git a/src/mapgen.cpp b/src/mapgen.cpp index 041356e3d..32f7e29eb 100644 --- a/src/mapgen.cpp +++ b/src/mapgen.cpp @@ -89,11 +89,25 @@ Mapgen::Mapgen(int mapgenid, MapgenParams *params, EmergeManager *emerge) : { generating = false; id = mapgenid; - seed = (int)params->seed; water_level = params->water_level; flags = params->flags; csize = v3s16(1, 1, 1) * (params->chunksize * MAP_BLOCKSIZE); + /* + We are losing half our entropy by doing this, but it is necessary to + preserve reverse compatibility. If the top half of our current 64 bit + seeds ever starts getting used, existing worlds will break due to a + different hash outcome and no way to differentiate between versions. + + A solution could be to add a new bit to designate that the top half of + the seed value should be used, essentially a 1-bit version code, but + this would require increasing the total size of a seed to 9 bytes (yuck) + + It's probably okay if this never gets fixed. 4.2 billion possibilities + ought to be enough for anyone. + */ + seed = (s32)params->seed; + vm = NULL; ndef = emerge->ndef; biomegen = NULL; @@ -107,7 +121,7 @@ Mapgen::~Mapgen() } -u32 Mapgen::getBlockSeed(v3s16 p, int seed) +u32 Mapgen::getBlockSeed(v3s16 p, s32 seed) { return (u32)seed + p.Z * 38134234 + @@ -116,7 +130,7 @@ u32 Mapgen::getBlockSeed(v3s16 p, int seed) } -u32 Mapgen::getBlockSeed2(v3s16 p, int seed) +u32 Mapgen::getBlockSeed2(v3s16 p, s32 seed) { u32 n = 1619 * p.X + 31337 * p.Y + 52591 * p.Z + 1013 * seed; n = (n >> 13) ^ n; diff --git a/src/mapgen.h b/src/mapgen.h index 10595fafc..0342fd46e 100644 --- a/src/mapgen.h +++ b/src/mapgen.h @@ -150,7 +150,7 @@ struct MapgenParams { */ class Mapgen { public: - int seed; + s32 seed; int water_level; u32 flags; bool generating; @@ -171,8 +171,8 @@ public: Mapgen(int mapgenid, MapgenParams *params, EmergeManager *emerge); virtual ~Mapgen(); - static u32 getBlockSeed(v3s16 p, int seed); - static u32 getBlockSeed2(v3s16 p, int seed); + static u32 getBlockSeed(v3s16 p, s32 seed); + static u32 getBlockSeed2(v3s16 p, s32 seed); s16 findGroundLevelFull(v2s16 p2d); s16 findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax); s16 findLiquidSurface(v2s16 p2d, s16 ymin, s16 ymax); diff --git a/src/mg_biome.h b/src/mg_biome.h index e78e90e5f..389b7664f 100644 --- a/src/mg_biome.h +++ b/src/mg_biome.h @@ -80,7 +80,7 @@ struct BiomeParams { virtual void writeParams(Settings *settings) const = 0; virtual ~BiomeParams() {} - int seed; + s32 seed; }; class BiomeGen { diff --git a/src/noise.cpp b/src/noise.cpp index 2ddc3926f..c57c98ccb 100644 --- a/src/noise.cpp +++ b/src/noise.cpp @@ -156,7 +156,7 @@ s32 PcgRandom::randNormalDist(s32 min, s32 max, int num_trials) /////////////////////////////////////////////////////////////////////////////// -float noise2d(int x, int y, int seed) +float noise2d(int x, int y, s32 seed) { unsigned int n = (NOISE_MAGIC_X * x + NOISE_MAGIC_Y * y + NOISE_MAGIC_SEED * seed) & 0x7fffffff; @@ -166,7 +166,7 @@ float noise2d(int x, int y, int seed) } -float noise3d(int x, int y, int z, int seed) +float noise3d(int x, int y, int z, s32 seed) { unsigned int n = (NOISE_MAGIC_X * x + NOISE_MAGIC_Y * y + NOISE_MAGIC_Z * z + NOISE_MAGIC_SEED * seed) & 0x7fffffff; @@ -235,7 +235,7 @@ float triLinearInterpolationNoEase( return linearInterpolation(u, v, z); } -float noise2d_gradient(float x, float y, int seed, bool eased) +float noise2d_gradient(float x, float y, s32 seed, bool eased) { // Calculate the integer coordinates int x0 = myfloor(x); @@ -256,7 +256,7 @@ float noise2d_gradient(float x, float y, int seed, bool eased) } -float noise3d_gradient(float x, float y, float z, int seed, bool eased) +float noise3d_gradient(float x, float y, float z, s32 seed, bool eased) { // Calculate the integer coordinates int x0 = myfloor(x); @@ -290,7 +290,7 @@ float noise3d_gradient(float x, float y, float z, int seed, bool eased) } -float noise2d_perlin(float x, float y, int seed, +float noise2d_perlin(float x, float y, s32 seed, int octaves, float persistence, bool eased) { float a = 0; @@ -306,7 +306,7 @@ float noise2d_perlin(float x, float y, int seed, } -float noise2d_perlin_abs(float x, float y, int seed, +float noise2d_perlin_abs(float x, float y, s32 seed, int octaves, float persistence, bool eased) { float a = 0; @@ -321,7 +321,7 @@ float noise2d_perlin_abs(float x, float y, int seed, } -float noise3d_perlin(float x, float y, float z, int seed, +float noise3d_perlin(float x, float y, float z, s32 seed, int octaves, float persistence, bool eased) { float a = 0; @@ -336,7 +336,7 @@ float noise3d_perlin(float x, float y, float z, int seed, } -float noise3d_perlin_abs(float x, float y, float z, int seed, +float noise3d_perlin_abs(float x, float y, float z, s32 seed, int octaves, float persistence, bool eased) { float a = 0; @@ -363,7 +363,7 @@ float contour(float v) ///////////////////////// [ New noise ] //////////////////////////// -float NoisePerlin2D(NoiseParams *np, float x, float y, int seed) +float NoisePerlin2D(NoiseParams *np, float x, float y, s32 seed) { float a = 0; float f = 1.0; @@ -389,7 +389,7 @@ float NoisePerlin2D(NoiseParams *np, float x, float y, int seed) } -float NoisePerlin3D(NoiseParams *np, float x, float y, float z, int seed) +float NoisePerlin3D(NoiseParams *np, float x, float y, float z, s32 seed) { float a = 0; float f = 1.0; @@ -416,7 +416,7 @@ float NoisePerlin3D(NoiseParams *np, float x, float y, float z, int seed) } -Noise::Noise(NoiseParams *np_, int seed, u32 sx, u32 sy, u32 sz) +Noise::Noise(NoiseParams *np_, s32 seed, u32 sx, u32 sy, u32 sz) { memcpy(&np, np_, sizeof(np)); this->seed = seed; @@ -543,7 +543,7 @@ void Noise::resizeNoiseBuf(bool is3d) void Noise::gradientMap2D( float x, float y, float step_x, float step_y, - int seed) + s32 seed) { float v00, v01, v10, v11, u, v, orig_u; u32 index, i, j, noisex, noisey; @@ -607,7 +607,7 @@ void Noise::gradientMap2D( void Noise::gradientMap3D( float x, float y, float z, float step_x, float step_y, float step_z, - int seed) + s32 seed) { float v000, v010, v100, v110; float v001, v011, v101, v111; diff --git a/src/noise.h b/src/noise.h index 0e4252dd4..41b93ae01 100644 --- a/src/noise.h +++ b/src/noise.h @@ -148,7 +148,7 @@ struct NoiseParams { class Noise { public: NoiseParams np; - int seed; + s32 seed; u32 sx; u32 sy; u32 sz; @@ -157,7 +157,7 @@ public: float *persist_buf; float *result; - Noise(NoiseParams *np, int seed, u32 sx, u32 sy, u32 sz=1); + Noise(NoiseParams *np, s32 seed, u32 sx, u32 sy, u32 sz=1); ~Noise(); void setSize(u32 sx, u32 sy, u32 sz=1); @@ -167,11 +167,11 @@ public: void gradientMap2D( float x, float y, float step_x, float step_y, - int seed); + s32 seed); void gradientMap3D( float x, float y, float z, float step_x, float step_y, float step_z, - int seed); + s32 seed); float *perlinMap2D(float x, float y, float *persistence_map=NULL); float *perlinMap3D(float x, float y, float z, float *persistence_map=NULL); @@ -202,11 +202,11 @@ private: }; -float NoisePerlin2D(NoiseParams *np, float x, float y, int seed); -float NoisePerlin3D(NoiseParams *np, float x, float y, float z, int seed); +float NoisePerlin2D(NoiseParams *np, float x, float y, s32 seed); +float NoisePerlin3D(NoiseParams *np, float x, float y, float z, s32 seed); inline float NoisePerlin2D_PO(NoiseParams *np, float x, float xoff, - float y, float yoff, int seed) + float y, float yoff, s32 seed) { return NoisePerlin2D(np, x + xoff * np->spread.X, @@ -215,7 +215,7 @@ inline float NoisePerlin2D_PO(NoiseParams *np, float x, float xoff, } inline float NoisePerlin3D_PO(NoiseParams *np, float x, float xoff, - float y, float yoff, float z, float zoff, int seed) + float y, float yoff, float z, float zoff, s32 seed) { return NoisePerlin3D(np, x + xoff * np->spread.X, @@ -225,22 +225,22 @@ inline float NoisePerlin3D_PO(NoiseParams *np, float x, float xoff, } // Return value: -1 ... 1 -float noise2d(int x, int y, int seed); -float noise3d(int x, int y, int z, int seed); +float noise2d(int x, int y, s32 seed); +float noise3d(int x, int y, int z, s32 seed); -float noise2d_gradient(float x, float y, int seed, bool eased=true); -float noise3d_gradient(float x, float y, float z, int seed, bool eased=false); +float noise2d_gradient(float x, float y, s32 seed, bool eased=true); +float noise3d_gradient(float x, float y, float z, s32 seed, bool eased=false); -float noise2d_perlin(float x, float y, int seed, +float noise2d_perlin(float x, float y, s32 seed, int octaves, float persistence, bool eased=true); -float noise2d_perlin_abs(float x, float y, int seed, +float noise2d_perlin_abs(float x, float y, s32 seed, int octaves, float persistence, bool eased=true); -float noise3d_perlin(float x, float y, float z, int seed, +float noise3d_perlin(float x, float y, float z, s32 seed, int octaves, float persistence, bool eased=false); -float noise3d_perlin_abs(float x, float y, float z, int seed, +float noise3d_perlin_abs(float x, float y, float z, s32 seed, int octaves, float persistence, bool eased=false); inline float easeCurve(float t) diff --git a/src/script/lua_api/l_env.cpp b/src/script/lua_api/l_env.cpp index 8284c3fcb..ebdea09e4 100644 --- a/src/script/lua_api/l_env.cpp +++ b/src/script/lua_api/l_env.cpp @@ -758,7 +758,7 @@ int ModApiEnvMod::l_get_perlin_map(lua_State *L) return 0; v3s16 size = read_v3s16(L, 2); - int seed = (int)(env->getServerMap().getSeed()); + s32 seed = (s32)(env->getServerMap().getSeed()); LuaPerlinNoiseMap *n = new LuaPerlinNoiseMap(&np, seed, size); *(void **)(lua_newuserdata(L, sizeof(void *))) = n; luaL_getmetatable(L, "PerlinNoiseMap"); diff --git a/src/script/lua_api/l_noise.cpp b/src/script/lua_api/l_noise.cpp index 04dc6048f..e0039371f 100644 --- a/src/script/lua_api/l_noise.cpp +++ b/src/script/lua_api/l_noise.cpp @@ -146,7 +146,7 @@ const luaL_reg LuaPerlinNoise::methods[] = { LuaPerlinNoiseMap */ -LuaPerlinNoiseMap::LuaPerlinNoiseMap(NoiseParams *params, int seed, v3s16 size) +LuaPerlinNoiseMap::LuaPerlinNoiseMap(NoiseParams *params, s32 seed, v3s16 size) { m_is3d = size.Z > 1; np = *params; diff --git a/src/script/lua_api/l_noise.h b/src/script/lua_api/l_noise.h index 492eb7550..40bfd1315 100644 --- a/src/script/lua_api/l_noise.h +++ b/src/script/lua_api/l_noise.h @@ -79,7 +79,7 @@ class LuaPerlinNoiseMap : public ModApiBase { static int l_getMapSlice(lua_State *L); public: - LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size); + LuaPerlinNoiseMap(NoiseParams *np, s32 seed, v3s16 size); ~LuaPerlinNoiseMap(); @@ -111,7 +111,7 @@ private: static int l_next(lua_State *L); public: - LuaPseudoRandom(int seed) : + LuaPseudoRandom(s32 seed) : m_pseudo(seed) {} // LuaPseudoRandom(seed) diff --git a/src/treegen.cpp b/src/treegen.cpp index 208f34552..36d387c57 100644 --- a/src/treegen.cpp +++ b/src/treegen.cpp @@ -31,7 +31,7 @@ namespace treegen { void make_tree(MMVManip &vmanip, v3s16 p0, - bool is_apple_tree, INodeDefManager *ndef, int seed) + bool is_apple_tree, INodeDefManager *ndef, s32 seed) { /* NOTE: Tree-placing code is currently duplicated in the engine @@ -149,7 +149,7 @@ treegen::error make_ltree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef, TreeDef tree_definition) { MapNode dirtnode(ndef->getId("mapgen_dirt")); - int seed; + s32 seed; if (tree_definition.explicit_seed) seed = tree_definition.seed + 14002; else @@ -649,7 +649,7 @@ v3f transposeMatrix(irr::core::matrix4 M, v3f v) } -void make_jungletree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef, int seed) +void make_jungletree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef, s32 seed) { /* NOTE: Tree-placing code is currently duplicated in the engine @@ -748,7 +748,7 @@ void make_jungletree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef, int seed } -void make_pine_tree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef, int seed) +void make_pine_tree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef, s32 seed) { /* NOTE: Tree-placing code is currently duplicated in the engine diff --git a/src/treegen.h b/src/treegen.h index 4b0089d1e..4e6f95e67 100644 --- a/src/treegen.h +++ b/src/treegen.h @@ -54,19 +54,19 @@ namespace treegen { bool thin_branches; MapNode fruitnode; int fruit_chance; - int seed; + s32 seed; bool explicit_seed; }; // Add default tree void make_tree(MMVManip &vmanip, v3s16 p0, - bool is_apple_tree, INodeDefManager *ndef, int seed); + bool is_apple_tree, INodeDefManager *ndef, s32 seed); // Add jungle tree void make_jungletree(MMVManip &vmanip, v3s16 p0, - INodeDefManager *ndef, int seed); + INodeDefManager *ndef, s32 seed); // Add pine tree void make_pine_tree(MMVManip &vmanip, v3s16 p0, - INodeDefManager *ndef, int seed); + INodeDefManager *ndef, s32 seed); // Add L-Systems tree (used by engine) treegen::error make_ltree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef, |