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Biome API: Add per-biome riverbed material and depth

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Mgvalleys: Remove riverbed sand placement from base terrain generation
Riverbed material placement moved to MapgenBasic::generateBiomes()
Document fields and add note that the biome API is still unstable
This commit is contained in:
paramat 2016-06-03 12:58:50 +01:00
parent 7841f1c509
commit d24f384174
6 changed files with 33 additions and 17 deletions
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13
src/mapgen_valleys.cpp
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@ -114,11 +114,6 @@ MapgenValleys::MapgenValleys(int mapgenid, MapgenParams *params, EmergeManager *
// Resolve content to be used
c_lava_source = ndef->getId("mapgen_lava_source");
c_sand = ndef->getId("mapgen_sand");
// Fall back to more basic content if not defined
if (c_sand == CONTENT_IGNORE)
c_sand = c_stone;
}
@ -493,7 +488,6 @@ int MapgenValleys::generateTerrain()
MapNode n_air(CONTENT_AIR);
MapNode n_river_water(c_river_water_source);
MapNode n_sand(c_sand);
MapNode n_stone(c_stone);
MapNode n_water(c_water_source);
@ -537,10 +531,7 @@ int MapgenValleys::generateTerrain()
float surface_delta = (float)y - surface_y;
bool river = y + 1 < river_y;
if (fabs(surface_delta) <= 0.5f && y > water_level && river) {
// river bottom
vm->m_data[index_data] = n_sand;
} else if (slope * fill > surface_delta) {
if (slope * fill > surface_delta) {
// ground
vm->m_data[index_data] = n_stone;
if (y > heightmap[index_2d])
@ -553,7 +544,7 @@ int MapgenValleys::generateTerrain()
} else if (river) {
// river
vm->m_data[index_data] = n_river_water;
} else {
} else { // air
vm->m_data[index_data] = n_air;
}
}