Translated using Weblate (Czech)

[dragonfireclient.git] / src / biome.cpp

diff --git a/src/biome.cpp b/src/biome.cpp
index e68429effb74c44b506cce86ef9f40785ffd12cc..7e3dcac77da172a70dd8aed4a13d4db506c866dd 100644 (file)
--- a/src/biome.cpp
+++ b/src/biome.cpp
@@ -21,8 +21,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "nodedef.h"
 #include "map.h" //for ManualMapVoxelManipulator
 #include "log.h"
+#include "util/numeric.h"
 #include "main.h"
-
+#include "util/mathconstants.h"
 
 NoiseParams nparams_biome_def_heat =
        {50, 50, v3f(500.0, 500.0, 500.0), 5349, 3, 0.70};
@@ -203,3 +204,54 @@ u8 BiomeDefManager::getBiomeIdByName(const char *name) {
        
        return 0;
 }
+
+
+///////////////////////////// Weather
+
+
+s16 BiomeDefManager::calcBlockHeat(v3s16 p, u64 seed, float timeofday, float totaltime) {
+       //variant 1: full random
+       //f32 heat = NoisePerlin3D(np_heat, p.X, env->getGameTime()/100, p.Z, seed);
+
+       //variant 2: season change based on default heat map
+       const f32 offset = 20; // = np_heat->offset
+       const f32 scale  = 20; // = np_heat->scale
+       const f32 range  = 20;
+       f32 heat = NoisePerlin2D(np_heat, p.X, p.Z, seed); // 0..50..100
+
+       heat -= np_heat->offset; // -50..0..+50
+
+       // normalizing - todo REMOVE after fixed NoiseParams nparams_biome_def_heat = {50, 50, -> 20, 50,
+       if (np_heat->scale)
+               heat /= np_heat->scale / scale; //  -20..0..+20
+
+       f32 seasonv = totaltime;
+       seasonv /= 86400 * g_settings->getS16("year_days"); // season change speed
+       seasonv += (f32)p.X / 3000; // you can walk to area with other season
+       seasonv = sin(seasonv * M_PI);
+       heat += (range * (heat < 0 ? 2 : 0.5)) * seasonv; // -60..0..30
+
+       heat += offset; // -40..0..50
+       heat += p.Y / -333; // upper=colder, lower=hotter, 3c per 1000
+
+       // daily change, hotter at sun +4, colder at night -4
+       heat += 8 * (sin(cycle_shift(timeofday, -0.25) * M_PI) - 0.5); //-44..20..54
+       
+       return heat;
+}
+
+
+s16 BiomeDefManager::calcBlockHumidity(v3s16 p, u64 seed, float timeofday, float totaltime) {
+
+       f32 humidity = NoisePerlin2D(np_humidity, p.X, p.Z, seed);
+
+       f32 seasonv = totaltime;
+       seasonv /= 86400 * 2; // bad weather change speed (2 days)
+       seasonv += (f32)p.Z / 300;
+       humidity += 30 * sin(seasonv * M_PI);
+
+       humidity += -12 * (sin(cycle_shift(timeofday, -0.1) * M_PI) - 0.5);
+       humidity = rangelim(humidity, 0, 100);
+       
+       return humidity;
+}