src/materials.cpp

   1 #include "materials.h"
   2 #include "mapnode.h"
   3 #include "mapnode_contentfeatures.h"
   4 #include "tool.h"
   5
   6 DiggingProperties getDiggingProperties(u16 material, ToolDiggingProperties *tp)
   7 {
   8         assert(tp);
   9         MaterialProperties &mp = content_features(material).material;
  10         if(mp.diggability == DIGGABLE_NOT)
  11                 return DiggingProperties(false, 0, 0);
  12         if(mp.diggability == DIGGABLE_CONSTANT)
  13                 return DiggingProperties(true, mp.constant_time, 0);
  14
  15         float time = tp->basetime;
  16         time += tp->dt_weight * mp.weight;
  17         time += tp->dt_crackiness * mp.crackiness;
  18         time += tp->dt_crumbliness * mp.crumbliness;
  19         time += tp->dt_cuttability * mp.cuttability;
  20         if(time < 0.2)
  21                 time = 0.2;
  22
  23         float durability = tp->basedurability;
  24         durability += tp->dd_weight * mp.weight;
  25         durability += tp->dd_crackiness * mp.crackiness;
  26         durability += tp->dd_crumbliness * mp.crumbliness;
  27         durability += tp->dd_cuttability * mp.cuttability;
  28         if(durability < 1)
  29                 durability = 1;
  30
  31         float wear = 1.0 / durability;
  32         u16 wear_i = wear/65535.;
  33         return DiggingProperties(true, time, wear_i);
  34 }
  35