]> git.lizzy.rs Git - minetest.git/blobdiff - src/tool.cpp
Shaders: Remove special handling for liquids. (#4670)
[minetest.git] / src / tool.cpp
index d45556269743d6d878b83e93ec5a27877f94f2bf..20b71fb316faf8e635dd9ef6fb1b41a5f4d4ee4c 100644 (file)
 /*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 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
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 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.
+GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser 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 "tool.h"
-#include "irrlichttypes.h"
+#include "itemgroup.h"
 #include "log.h"
-#include <ostream>
+#include "inventory.h"
+#include "exceptions.h"
+#include "util/serialize.h"
+#include "util/numeric.h"
 
-class CToolDefManager: public IToolDefManager
+void ToolCapabilities::serialize(std::ostream &os, u16 protocol_version) const
 {
-public:
-       virtual ~CToolDefManager()
-       {
-               for(core::map<std::string, ToolDefinition*>::Iterator
-                               i = m_tool_definitions.getIterator();
-                               i.atEnd() == false; i++){
-                       delete i.getNode()->getValue();
+       if(protocol_version <= 17)
+               writeU8(os, 1); // version
+       else
+               writeU8(os, 2); // version
+       writeF1000(os, full_punch_interval);
+       writeS16(os, max_drop_level);
+       writeU32(os, groupcaps.size());
+       for (ToolGCMap::const_iterator i = groupcaps.begin(); i != groupcaps.end(); ++i) {
+               const std::string *name = &i->first;
+               const ToolGroupCap *cap = &i->second;
+               os<<serializeString(*name);
+               writeS16(os, cap->uses);
+               writeS16(os, cap->maxlevel);
+               writeU32(os, cap->times.size());
+               for (UNORDERED_MAP<int, float>::const_iterator
+                               i = cap->times.begin(); i != cap->times.end(); ++i) {
+                       writeS16(os, i->first);
+                       writeF1000(os, i->second);
                }
        }
-       virtual bool registerTool(std::string toolname, const ToolDefinition &def)
-       {
-               infostream<<"registerTool: registering tool \""<<toolname<<"\""<<std::endl;
-               core::map<std::string, ToolDefinition*>::Node *n;
-               n = m_tool_definitions.find(toolname);
-               if(n != NULL){
-                       errorstream<<"registerTool: registering tool \""<<toolname
-                                       <<"\" failed: name is already registered"<<std::endl;
-                       return false;
+       if(protocol_version > 17){
+               writeU32(os, damageGroups.size());
+               for (DamageGroup::const_iterator i = damageGroups.begin();
+                               i != damageGroups.end(); ++i) {
+                       os<<serializeString(i->first);
+                       writeS16(os, i->second);
                }
-               m_tool_definitions[toolname] = new ToolDefinition(def);
-               return true;
        }
-       virtual ToolDefinition* getToolDefinition(const std::string &toolname)
-       {
-               core::map<std::string, ToolDefinition*>::Node *n;
-               n = m_tool_definitions.find(toolname);
-               if(n == NULL)
-                       return NULL;
-               return n->getValue();
+}
+
+void ToolCapabilities::deSerialize(std::istream &is)
+{
+       int version = readU8(is);
+       if(version != 1 && version != 2) throw SerializationError(
+                       "unsupported ToolCapabilities version");
+       full_punch_interval = readF1000(is);
+       max_drop_level = readS16(is);
+       groupcaps.clear();
+       u32 groupcaps_size = readU32(is);
+       for(u32 i=0; i<groupcaps_size; i++){
+               std::string name = deSerializeString(is);
+               ToolGroupCap cap;
+               cap.uses = readS16(is);
+               cap.maxlevel = readS16(is);
+               u32 times_size = readU32(is);
+               for(u32 i=0; i<times_size; i++){
+                       int level = readS16(is);
+                       float time = readF1000(is);
+                       cap.times[level] = time;
+               }
+               groupcaps[name] = cap;
        }
-       virtual std::string getImagename(const std::string &toolname)
+       if(version == 2)
        {
-               ToolDefinition *def = getToolDefinition(toolname);
-               if(def == NULL)
-                       return "";
-               return def->imagename;
+               u32 damage_groups_size = readU32(is);
+               for(u32 i=0; i<damage_groups_size; i++){
+                       std::string name = deSerializeString(is);
+                       s16 rating = readS16(is);
+                       damageGroups[name] = rating;
+               }
        }
-       virtual ToolDiggingProperties getDiggingProperties(
-                       const std::string &toolname)
-       {
-               ToolDefinition *def = getToolDefinition(toolname);
-               // If tool does not exist, just return an impossible
-               if(def == NULL){
-                       // If tool does not exist, try empty name
-                       ToolDefinition *def = getToolDefinition("");
-                       if(def == NULL) // If that doesn't exist either, return default
-                               return ToolDiggingProperties();
-                       return def->properties;
+}
+
+DigParams getDigParams(const ItemGroupList &groups,
+               const ToolCapabilities *tp, float time_from_last_punch)
+{
+       //infostream<<"getDigParams"<<std::endl;
+       /* Check group dig_immediate */
+       switch(itemgroup_get(groups, "dig_immediate")){
+       case 2:
+               //infostream<<"dig_immediate=2"<<std::endl;
+               return DigParams(true, 0.5, 0, "dig_immediate");
+       case 3:
+               //infostream<<"dig_immediate=3"<<std::endl;
+               return DigParams(true, 0.0, 0, "dig_immediate");
+       default:
+               break;
+       }
+
+       // Values to be returned (with a bit of conversion)
+       bool result_diggable = false;
+       float result_time = 0.0;
+       float result_wear = 0.0;
+       std::string result_main_group = "";
+
+       int level = itemgroup_get(groups, "level");
+       //infostream<<"level="<<level<<std::endl;
+       for (ToolGCMap::const_iterator i = tp->groupcaps.begin();
+                       i != tp->groupcaps.end(); ++i) {
+               const std::string &name = i->first;
+               //infostream<<"group="<<name<<std::endl;
+               const ToolGroupCap &cap = i->second;
+               int rating = itemgroup_get(groups, name);
+               float time = 0;
+               bool time_exists = cap.getTime(rating, &time);
+               if(!result_diggable || time < result_time){
+                       if(cap.maxlevel >= level && time_exists){
+                               result_diggable = true;
+                               int leveldiff = cap.maxlevel - level;
+                               result_time = time / MYMAX(1, leveldiff);
+                               if(cap.uses != 0)
+                                       result_wear = 1.0 / cap.uses / pow(3.0, (double)leveldiff);
+                               else
+                                       result_wear = 0;
+                               result_main_group = name;
+                       }
                }
-               return def->properties;
        }
-private:
-       // Key is name
-       core::map<std::string, ToolDefinition*> m_tool_definitions;
-};
+       //infostream<<"result_diggable="<<result_diggable<<std::endl;
+       //infostream<<"result_time="<<result_time<<std::endl;
+       //infostream<<"result_wear="<<result_wear<<std::endl;
 
-IToolDefManager* createToolDefManager()
+       if(time_from_last_punch < tp->full_punch_interval){
+               float f = time_from_last_punch / tp->full_punch_interval;
+               //infostream<<"f="<<f<<std::endl;
+               result_time /= f;
+               result_wear /= f;
+       }
+
+       u16 wear_i = 65535.*result_wear;
+       return DigParams(result_diggable, result_time, wear_i, result_main_group);
+}
+
+DigParams getDigParams(const ItemGroupList &groups,
+               const ToolCapabilities *tp)
 {
-       return new CToolDefManager();
+       return getDigParams(groups, tp, 1000000);
 }
 
+HitParams getHitParams(const ItemGroupList &armor_groups,
+               const ToolCapabilities *tp, float time_from_last_punch)
+{
+       s16 damage = 0;
+       float full_punch_interval = tp->full_punch_interval;
+
+       for (DamageGroup::const_iterator i = tp->damageGroups.begin();
+                       i != tp->damageGroups.end(); ++i) {
+               s16 armor = itemgroup_get(armor_groups, i->first);
+               damage += i->second * rangelim(time_from_last_punch / full_punch_interval, 0.0, 1.0)
+                               * armor / 100.0;
+       }
+
+       return HitParams(damage, 0);
+}
+
+HitParams getHitParams(const ItemGroupList &armor_groups,
+               const ToolCapabilities *tp)
+{
+       return getHitParams(armor_groups, tp, 1000000);
+}
+
+PunchDamageResult getPunchDamage(
+               const ItemGroupList &armor_groups,
+               const ToolCapabilities *toolcap,
+               const ItemStack *punchitem,
+               float time_from_last_punch
+){
+       bool do_hit = true;
+       {
+               if(do_hit && punchitem){
+                       if(itemgroup_get(armor_groups, "punch_operable") &&
+                                       (toolcap == NULL || punchitem->name == ""))
+                               do_hit = false;
+               }
+               if(do_hit){
+                       if(itemgroup_get(armor_groups, "immortal"))
+                               do_hit = false;
+               }
+       }
+
+       PunchDamageResult result;
+       if(do_hit)
+       {
+               HitParams hitparams = getHitParams(armor_groups, toolcap,
+                               time_from_last_punch);
+               result.did_punch = true;
+               result.wear = hitparams.wear;
+               result.damage = hitparams.hp;
+       }
+
+       return result;
+}
+
+