diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mapgen_v7.cpp | 45 | ||||
| -rw-r--r-- | src/mapgen_v7.h | 14 |
2 files changed, 31 insertions, 28 deletions
diff --git a/src/mapgen_v7.cpp b/src/mapgen_v7.cpp index a111256a4..4eb305dc5 100644 --- a/src/mapgen_v7.cpp +++ b/src/mapgen_v7.cpp @@ -363,10 +363,7 @@ void MapgenV7::calculateNoise() noise_ridge_uwater->perlinMap2D(x, z); } - if ((spflags & MGV7_MOUNTAINS) && node_max.Y >= MOUNTAIN_BASE) { - noise_mountain->perlinMap3D(x, y, z); - noise_mount_height->perlinMap2D(x, z); - } + // Mountain noises are calculated in generateMountainTerrain() noise_filler_depth->perlinMap2D(x, z); noise_heat->perlinMap2D(x, z); @@ -397,7 +394,7 @@ Biome *MapgenV7::getBiomeAtPoint(v3s16 p) } //needs to be updated -float MapgenV7::baseTerrainLevelAtPoint(int x, int z) +float MapgenV7::baseTerrainLevelAtPoint(s16 x, s16 z) { float hselect = NoisePerlin2D(&noise_height_select->np, x, z, seed); hselect = rangelim(hselect, 0.0, 1.0); @@ -430,7 +427,7 @@ float MapgenV7::baseTerrainLevelFromMap(int index) } -bool MapgenV7::getMountainTerrainAtPoint(int x, int y, int z) +bool MapgenV7::getMountainTerrainAtPoint(s16 x, s16 y, s16 z) { float mnt_h_n = NoisePerlin2D(&noise_mount_height->np, x, z, seed); float mnt_n = NoisePerlin3D(&noise_mountain->np, x, y, z, seed); @@ -438,7 +435,7 @@ bool MapgenV7::getMountainTerrainAtPoint(int x, int y, int z) } -bool MapgenV7::getMountainTerrainFromMap(int idx_xyz, int idx_xz, int y) +bool MapgenV7::getMountainTerrainFromMap(int idx_xyz, int idx_xz, s16 y) { float mounthn = noise_mount_height->result[idx_xz]; float mountn = noise_mountain->result[idx_xyz]; @@ -483,26 +480,30 @@ void MapgenV7::carveRivers() { int MapgenV7::generateTerrain() { - int ymax = generateBaseTerrain(); + s16 stone_surface_min_y; + s16 stone_surface_max_y; + + generateBaseTerrain(&stone_surface_min_y, &stone_surface_max_y); - if (spflags & MGV7_MOUNTAINS) - ymax = generateMountainTerrain(ymax); + if ((spflags & MGV7_MOUNTAINS) && stone_surface_min_y < node_max.Y) + stone_surface_max_y = generateMountainTerrain(stone_surface_max_y); if (spflags & MGV7_RIDGES) generateRidgeTerrain(); - return ymax; + return stone_surface_max_y; } -int MapgenV7::generateBaseTerrain() +void MapgenV7::generateBaseTerrain(s16 *stone_surface_min_y, s16 *stone_surface_max_y) { MapNode n_air(CONTENT_AIR); MapNode n_stone(c_stone); MapNode n_water(c_water_source); - int stone_surface_max_y = -MAP_GENERATION_LIMIT; v3s16 em = vm->m_area.getExtent(); + s16 surface_min_y = MAP_GENERATION_LIMIT; + s16 surface_max_y = -MAP_GENERATION_LIMIT; u32 index = 0; for (s16 z = node_min.Z; z <= node_max.Z; z++) @@ -513,8 +514,11 @@ int MapgenV7::generateBaseTerrain() heightmap[index] = surface_y; ridge_heightmap[index] = surface_y; - if (surface_y > stone_surface_max_y) - stone_surface_max_y = surface_y; + if (surface_y < surface_min_y) + surface_min_y = surface_y; + + if (surface_y > surface_max_y) + surface_max_y = surface_y; u32 i = vm->m_area.index(x, node_min.Y - 1, z); for (s16 y = node_min.Y - 1; y <= node_max.Y + 1; y++) { @@ -530,14 +534,15 @@ int MapgenV7::generateBaseTerrain() } } - return stone_surface_max_y; + *stone_surface_min_y = surface_min_y; + *stone_surface_max_y = surface_max_y; } -int MapgenV7::generateMountainTerrain(int ymax) +int MapgenV7::generateMountainTerrain(s16 ymax) { - if (node_max.Y < MOUNTAIN_BASE) - return ymax; + noise_mountain->perlinMap3D(node_min.X, node_min.Y - 1, node_min.Z); + noise_mount_height->perlinMap2D(node_min.X, node_min.Z); MapNode n_stone(c_stone); u32 j = 0; @@ -848,7 +853,7 @@ void MapgenV7::addTopNodes() #endif -void MapgenV7::generateCaves(int max_stone_y) +void MapgenV7::generateCaves(s16 max_stone_y) { if (max_stone_y >= node_min.Y) { u32 index = 0; diff --git a/src/mapgen_v7.h b/src/mapgen_v7.h index 6fa1a0f1c..c0cfa8c77 100644 --- a/src/mapgen_v7.h +++ b/src/mapgen_v7.h @@ -22,8 +22,6 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "mapgen.h" -#define MOUNTAIN_BASE -112 - /////////////////// Mapgen V7 flags #define MGV7_MOUNTAINS 0x01 #define MGV7_RIDGES 0x02 @@ -107,16 +105,16 @@ public: int getGroundLevelAtPoint(v2s16 p); Biome *getBiomeAtPoint(v3s16 p); - float baseTerrainLevelAtPoint(int x, int z); + float baseTerrainLevelAtPoint(s16 x, s16 z); float baseTerrainLevelFromMap(int index); - bool getMountainTerrainAtPoint(int x, int y, int z); - bool getMountainTerrainFromMap(int idx_xyz, int idx_xz, int y); + bool getMountainTerrainAtPoint(s16 x, s16 y, s16 z); + bool getMountainTerrainFromMap(int idx_xyz, int idx_xz, s16 y); void calculateNoise(); virtual int generateTerrain(); - int generateBaseTerrain(); - int generateMountainTerrain(int ymax); + void generateBaseTerrain(s16 *stone_surface_min_y, s16 *stone_surface_max_y); + int generateMountainTerrain(s16 ymax); void generateRidgeTerrain(); MgStoneType generateBiomes(float *heat_map, float *humidity_map); @@ -124,7 +122,7 @@ public: //void addTopNodes(); - void generateCaves(int max_stone_y); + void generateCaves(s16 max_stone_y); }; struct MapgenFactoryV7 : public MapgenFactory { |