+/*
+Minetest-c55
+Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
#include "materials.h"
-#include "mapnode.h"
+#include "utility.h"
+
+void MaterialProperties::serialize(std::ostream &os)
+{
+ writeU8(os, 0); // version
+ writeU8(os, diggability);
+ writeF1000(os, constant_time);
+ writeF1000(os, weight);
+ writeF1000(os, crackiness);
+ writeF1000(os, crumbliness);
+ writeF1000(os, cuttability);
+ writeF1000(os, flammability);
+}
-// NOTE: DEPRECATED
+void MaterialProperties::deSerialize(std::istream &is)
+{
+ int version = readU8(is);
+ if(version != 0)
+ throw SerializationError("unsupported MaterialProperties version");
+ diggability = (enum Diggability)readU8(is);
+ constant_time = readF1000(is);
+ weight = readF1000(is);
+ crackiness = readF1000(is);
+ crumbliness = readF1000(is);
+ cuttability = readF1000(is);
+ flammability = readF1000(is);
+}
-DiggingPropertiesList * getDiggingPropertiesList(u16 content)
+ToolDiggingProperties::ToolDiggingProperties(float full_punch_interval_,
+ float a, float b, float c, float d, float e,
+ float f, float g, float h, float i, float j):
+ full_punch_interval(full_punch_interval_),
+ basetime(a),
+ dt_weight(b),
+ dt_crackiness(c),
+ dt_crumbliness(d),
+ dt_cuttability(e),
+ basedurability(f),
+ dd_weight(g),
+ dd_crackiness(h),
+ dd_crumbliness(i),
+ dd_cuttability(j)
+{}
+
+void ToolDiggingProperties::serialize(std::ostream &os)
{
- return &content_features(content).digging_properties;
+ writeU8(os, 0); // version
+ writeF1000(os, full_punch_interval);
+ writeF1000(os, basetime);
+ writeF1000(os, dt_weight);
+ writeF1000(os, dt_crackiness);
+ writeF1000(os, dt_crumbliness);
+ writeF1000(os, dt_cuttability);
+ writeF1000(os, basedurability);
+ writeF1000(os, dd_weight);
+ writeF1000(os, dd_crackiness);
+ writeF1000(os, dd_crumbliness);
+ writeF1000(os, dd_cuttability);
}
-DiggingProperties getDiggingProperties(u16 content, const std::string &tool)
+void ToolDiggingProperties::deSerialize(std::istream &is)
{
- DiggingPropertiesList *mprop = getDiggingPropertiesList(content);
- if(mprop == NULL)
- // Not diggable
- return DiggingProperties();
+ int version = readU8(is);
+ if(version != 0) throw SerializationError(
+ "unsupported ToolDiggingProperties version");
+ full_punch_interval = readF1000(is);
+ basetime = readF1000(is);
+ dt_weight = readF1000(is);
+ dt_crackiness = readF1000(is);
+ dt_crumbliness = readF1000(is);
+ dt_cuttability = readF1000(is);
+ basedurability = readF1000(is);
+ dd_weight = readF1000(is);
+ dd_crackiness = readF1000(is);
+ dd_crumbliness = readF1000(is);
+ dd_cuttability = readF1000(is);
+}
+
+DiggingProperties getDiggingProperties(const MaterialProperties *mp,
+ const ToolDiggingProperties *tp, float time_from_last_punch)
+{
+ 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;
- return mprop->get(tool);
+ if(time_from_last_punch < tp->full_punch_interval){
+ float f = time_from_last_punch / tp->full_punch_interval;
+ time /= f;
+ durability /= f;
+ }
+
+ float wear = 1.0 / durability;
+ u16 wear_i = 65535.*wear;
+ return DiggingProperties(true, time, wear_i);
+}
+
+DiggingProperties getDiggingProperties(const MaterialProperties *mp,
+ const ToolDiggingProperties *tp)
+{
+ return getDiggingProperties(mp, tp, 1000000);
+}
+
+HittingProperties getHittingProperties(const MaterialProperties *mp,
+ const ToolDiggingProperties *tp, float time_from_last_punch)
+{
+ DiggingProperties digprop = getDiggingProperties(mp, tp,
+ time_from_last_punch);
+
+ // If digging time would be 1 second, 2 hearts go in 1 second.
+ s16 hp = 2.0 * 2.0 / digprop.time;
+ // Wear is the same as for digging a single node
+ s16 wear = (float)digprop.wear;
+
+ return HittingProperties(hp, wear);
+}
+
+HittingProperties getHittingProperties(const MaterialProperties *mp,
+ const ToolDiggingProperties *tp)
+{
+ return getHittingProperties(mp, tp, 1000000);
}