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Biome API: Re-calculate biome at every surface in a mapchunk column

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paramat 2015-02-24 04:06:05 +00:00
parent d65a90a86b
commit 14f7df980b
7 changed files with 43 additions and 61 deletions
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42
src/mapgen_v7.cpp
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@ -239,14 +239,15 @@ void MapgenV7::makeChunk(BlockMakeData *data)
// Generate base terrain, mountains, and ridges with initial heightmaps
s16 stone_surface_max_y = generateTerrain();
// Create heightmap
updateHeightmap(node_min, node_max);
// Calculate biomes
// Create biomemap at heightmap surface
bmgr->calcBiomes(csize.X, csize.Z, noise_heat->result,
noise_humidity->result, heightmap, biomemap);
// Actually place the biome-specific nodes and what not
generateBiomes();
// Actually place the biome-specific nodes
generateBiomes(noise_heat->result, noise_humidity->result);
if (flags & MG_CAVES)
generateCaves(stone_surface_max_y);
@ -534,7 +535,7 @@ void MapgenV7::generateRidgeTerrain()
}
void MapgenV7::generateBiomes()
void MapgenV7::generateBiomes(float *heat_map, float *humidity_map)
{
if (node_max.Y < water_level)
return;
@ -548,12 +549,11 @@ void MapgenV7::generateBiomes()
for (s16 z = node_min.Z; z <= node_max.Z; z++)
for (s16 x = node_min.X; x <= node_max.X; x++, index++) {
Biome *biome = (Biome *)bmgr->get(biomemap[index]);
s16 dfiller = biome->depth_filler + noise_filler_depth->result[index];
s16 y0_top = biome->depth_top;
s16 y0_filler = biome->depth_top + dfiller;
s16 shore_max = water_level + biome->height_shore;
s16 depth_water_top = biome->depth_water_top;
Biome *biome = NULL;
s16 dfiller = 0;
s16 y0_top = 0;
s16 y0_filler = 0;
s16 depth_water_top = 0;
s16 nplaced = 0;
u32 i = vm->m_area.index(x, node_max.Y, z);
@ -574,25 +574,23 @@ void MapgenV7::generateBiomes()
have_air = !getMountainTerrainFromMap(j, index, y);
}
if (c != CONTENT_IGNORE && c != CONTENT_AIR && (y == node_max.Y || have_air)) {
biome = bmgr->getBiome(heat_map[index], humidity_map[index], y);
dfiller = biome->depth_filler + noise_filler_depth->result[index];
y0_top = biome->depth_top;
y0_filler = biome->depth_top + dfiller;
depth_water_top = biome->depth_water_top;
}
if (c == c_stone && have_air) {
content_t c_below = vm->m_data[i - em.X].getContent();
if (c_below != CONTENT_AIR) {
if (nplaced < y0_top) {
if(y < water_level)
vm->m_data[i] = MapNode(biome->c_underwater);
else if(y <= shore_max)
vm->m_data[i] = MapNode(biome->c_shore_top);
else
vm->m_data[i] = MapNode(biome->c_top);
vm->m_data[i] = MapNode(biome->c_top);
nplaced++;
} else if (nplaced < y0_filler && nplaced >= y0_top) {
if(y < water_level)
vm->m_data[i] = MapNode(biome->c_underwater);
else if(y <= shore_max)
vm->m_data[i] = MapNode(biome->c_shore_filler);
else
vm->m_data[i] = MapNode(biome->c_filler);
vm->m_data[i] = MapNode(biome->c_filler);
nplaced++;
} else if (c == c_stone) {
have_air = false;