minetest/src/materials.cpp

37 lines
1.0 KiB
C++
Raw Normal View History

2010-12-25 00:54:39 +01:00
#include "materials.h"
#include "mapnode.h"
2011-11-14 20:41:30 +01:00
#include "nodedef.h"
#include "tooldef.h"
2010-12-25 00:54:39 +01:00
2011-11-14 20:41:30 +01:00
DiggingProperties getDiggingProperties(u16 content, ToolDiggingProperties *tp,
INodeDefManager *nodemgr)
2010-12-25 00:54:39 +01:00
{
assert(tp);
2011-11-14 20:41:30 +01:00
const MaterialProperties &mp = nodemgr->get(content).material;
if(mp.diggability == DIGGABLE_NOT)
return DiggingProperties(false, 0, 0);
if(mp.diggability == DIGGABLE_CONSTANT)
return DiggingProperties(true, mp.constant_time, 0);
float time = tp->basetime;
time += tp->dt_weight * mp.weight;
time += tp->dt_crackiness * mp.crackiness;
time += tp->dt_crumbliness * mp.crumbliness;
time += tp->dt_cuttability * mp.cuttability;
if(time < 0.2)
time = 0.2;
float durability = tp->basedurability;
durability += tp->dd_weight * mp.weight;
durability += tp->dd_crackiness * mp.crackiness;
durability += tp->dd_crumbliness * mp.crumbliness;
durability += tp->dd_cuttability * mp.cuttability;
if(durability < 1)
durability = 1;
float wear = 1.0 / durability;
u16 wear_i = wear/65535.;
return DiggingProperties(true, time, wear_i);
2010-12-25 00:54:39 +01:00
}