src/materials.cpp

   1 #include "materials.h"
   2 #include "mapnode.h"
   3 #include "mapnode_contentfeatures.h"
   4
   5
   6 struct ToolProperties
   7 {
   8         // time = basetime + sum(feature here * feature in MaterialProperties)
   9         float basetime;
  10         float dt_weight;
  11         float dt_crackiness;
  12         float dt_crumbliness;
  13         float dt_cuttability;
  14         float basedurability;
  15         float dd_weight;
  16         float dd_crackiness;
  17         float dd_crumbliness;
  18         float dd_cuttability;
  19
  20         ToolProperties(float a=0.75, float b=0, float c=0, float d=0, float e=0,
  21                         float f=50, float g=0, float h=0, float i=0, float j=0):
  22                 basetime(a),
  23                 dt_weight(b),
  24                 dt_crackiness(c),
  25                 dt_crumbliness(d),
  26                 dt_cuttability(e),
  27                 basedurability(f),
  28                 dd_weight(g),
  29                 dd_crackiness(h),
  30                 dd_crumbliness(i),
  31                 dd_cuttability(j)
  32         {}
  33 };
  34
  35 ToolProperties getToolProperties(const std::string &toolname)
  36 {
  37         // weight, crackiness, crumbleness, cuttability
  38         if(toolname == "WPick")
  39                 return ToolProperties(2.0, 0,-1,2,0, 50, 0,0,0,0);
  40         else if(toolname == "STPick")
  41                 return ToolProperties(1.5, 0,-1,2,0, 100, 0,0,0,0);
  42         else if(toolname == "SteelPick")
  43                 return ToolProperties(1.0, 0,-1,2,0, 300, 0,0,0,0);
  44
  45         else if(toolname == "MesePick")
  46                 return ToolProperties(0, 0,0,0,0, 1337, 0,0,0,0);
  47
  48         else if(toolname == "WShovel")
  49                 return ToolProperties(2.0, 0.5,2,-1.5,0.3, 50, 0,0,0,0);
  50         else if(toolname == "STShovel")
  51                 return ToolProperties(1.5, 0.5,2,-1.5,0.1, 100, 0,0,0,0);
  52         else if(toolname == "SteelShovel")
  53                 return ToolProperties(1.0, 0.5,2,-1.5,0.0, 300, 0,0,0,0);
  54
  55         // weight, crackiness, crumbleness, cuttability
  56         else if(toolname == "WAxe")
  57                 return ToolProperties(2.0, 0.5,-0.2,1,-0.5, 50, 0,0,0,0);
  58         else if(toolname == "STAxe")
  59                 return ToolProperties(1.5, 0.5,-0.2,1,-0.5, 100, 0,0,0,0);
  60         else if(toolname == "SteelAxe")
  61                 return ToolProperties(1.0, 0.5,-0.2,1,-0.5, 300, 0,0,0,0);
  62
  63         else if(toolname == "WSword")
  64                 return ToolProperties(3.0, 3,0,1,-1, 50, 0,0,0,0);
  65         else if(toolname == "STSword")
  66                 return ToolProperties(2.5, 3,0,1,-1, 100, 0,0,0,0);
  67         else if(toolname == "SteelSword")
  68                 return ToolProperties(2.0, 3,0,1,-1, 300, 0,0,0,0);
  69
  70         // Properties of hand
  71         return ToolProperties(0.5, 1,0,-1,0, 50, 0,0,0,0);
  72 }
  73
  74 DiggingProperties getDiggingProperties(u16 material, const std::string &tool)
  75 {
  76         MaterialProperties &mp = content_features(material).material;
  77         if(mp.diggability == DIGGABLE_NOT)
  78                 return DiggingProperties(false, 0, 0);
  79         if(mp.diggability == DIGGABLE_CONSTANT)
  80                 return DiggingProperties(true, mp.constant_time, 0);
  81
  82         ToolProperties tp = getToolProperties(tool);
  83
  84         float time = tp.basetime;
  85         time += tp.dt_weight * mp.weight;
  86         time += tp.dt_crackiness * mp.crackiness;
  87         time += tp.dt_crumbliness * mp.crumbliness;
  88         time += tp.dt_cuttability * mp.cuttability;
  89         if(time < 0.2)
  90                 time = 0.2;
  91
  92         float durability = tp.basedurability;
  93         durability += tp.dd_weight * mp.weight;
  94         durability += tp.dd_crackiness * mp.crackiness;
  95         durability += tp.dd_crumbliness * mp.crumbliness;
  96         durability += tp.dd_cuttability * mp.cuttability;
  97         if(durability < 1)
  98                 durability = 1;
  99
 100         float wear = 1.0 / durability;
 101         u16 wear_i = wear/65535.;
 102         return DiggingProperties(true, time, wear_i);
 103 }
 104