src/tool.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "tool.h"
  21 #include "irrlichttypes.h"
  22 #include "log.h"
  23 #include <ostream>
  24
  25 class CToolDefManager: public IToolDefManager
  26 {
  27 public:
  28         virtual ~CToolDefManager()
  29         {
  30                 for(core::map<std::string, ToolDefinition*>::Iterator
  31                                 i = m_tool_definitions.getIterator();
  32                                 i.atEnd() == false; i++){
  33                         delete i.getNode()->getValue();
  34                 }
  35         }
  36         virtual bool registerTool(std::string toolname, const ToolDefinition &def)
  37         {
  38                 infostream<<"registerTool: registering tool \""<<toolname<<"\""<<std::endl;
  39                 core::map<std::string, ToolDefinition*>::Node *n;
  40                 n = m_tool_definitions.find(toolname);
  41                 if(n != NULL){
  42                         errorstream<<"registerTool: registering tool \""<<toolname
  43                                         <<"\" failed: name is already registered"<<std::endl;
  44                         return false;
  45                 }
  46                 m_tool_definitions[toolname] = new ToolDefinition(def);
  47                 return true;
  48         }
  49         virtual ToolDefinition* getToolDefinition(const std::string &toolname)
  50         {
  51                 core::map<std::string, ToolDefinition*>::Node *n;
  52                 n = m_tool_definitions.find(toolname);
  53                 if(n == NULL)
  54                         return NULL;
  55                 return n->getValue();
  56         }
  57         virtual std::string getImagename(const std::string &toolname)
  58         {
  59                 ToolDefinition *def = getToolDefinition(toolname);
  60                 if(def == NULL)
  61                         return "";
  62                 return def->imagename;
  63         }
  64         virtual ToolDiggingProperties getDiggingProperties(
  65                         const std::string &toolname)
  66         {
  67                 ToolDefinition *def = getToolDefinition(toolname);
  68                 // If tool does not exist, just return an impossible
  69                 if(def == NULL){
  70                         // If tool does not exist, try empty name
  71                         ToolDefinition *def = getToolDefinition("");
  72                         if(def == NULL) // If that doesn't exist either, return default
  73                                 return ToolDiggingProperties();
  74                         return def->properties;
  75                 }
  76                 return def->properties;
  77         }
  78 private:
  79         // Key is name
  80         core::map<std::string, ToolDefinition*> m_tool_definitions;
  81 };
  82
  83 IToolDefManager* createToolDefManager()
  84 {
  85         return new CToolDefManager();
  86 }
  87