Crafting definition in scripts

[oweals/minetest.git] / src / scriptapi.cpp

diff --git a/src/scriptapi.cpp b/src/scriptapi.cpp
index b37c50bc072613b7da79ff900a9bb576e0d1090e..cd501060f9127a161f632b07b90d93e76f5cbad2 100644 (file)
--- a/src/scriptapi.cpp
+++ b/src/scriptapi.cpp
@@ -37,6 +37,7 @@ extern "C" {
 #include "content_sao.h" // For LuaEntitySAO
 #include "tooldef.h"
 #include "nodedef.h"
+#include "craftdef.h"
 
 /*
 TODO:
@@ -205,26 +206,6 @@ static int l_register_globalstep(lua_State *L)
        return 0; /* number of results */
 }
 
-#if 0
-// Clear all registered tools
-// deregister_tools()
-static int l_deregister_tools(lua_State *L)
-{
-       infostream<<"deregister_tools"<<std::endl;
-
-       // Get server from registry
-       lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
-       Server *server = (Server*)lua_touserdata(L, -1);
-       // And get the writable tool definition manager from the server
-       IWritableToolDefManager *tooldef =
-                       server->getWritableToolDefManager();
-       
-       tooldef->clear();
-
-       return 0; /* number of results */
-}
-#endif
-
 // register_tool(name, {lots of stuff})
 static int l_register_tool(lua_State *L)
 {
@@ -336,16 +317,90 @@ static int l_register_node(lua_State *L)
                f.tname_inventory = lua_tostring(L, -1);
        lua_pop(L, 1);
 
+       // TODO: Replace with actual parameter reading
+       // Temporarily set some sane parameters to allow digging
+       f.material.diggability = DIGGABLE_NORMAL;
+       f.material.weight = 0;
+       f.material.crackiness = 0;
+       f.material.crumbliness = 0;
+       f.material.cuttability = 0;
+
        nodedef->set(name, f);
        return 0; /* number of results */
 }
 
+// register_craft({output=item, recipe={{item00,item10},{item01,item11}})
+static int l_register_craft(lua_State *L)
+{
+       infostream<<"register_craft"<<std::endl;
+       luaL_checktype(L, 1, LUA_TTABLE);
+       int table0 = 1;
+
+       // Get server from registry
+       lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+       Server *server = (Server*)lua_touserdata(L, -1);
+       // And get the writable craft definition manager from the server
+       IWritableCraftDefManager *craftdef =
+                       server->getWritableCraftDefManager();
+       
+       std::string output;
+       int width = 0;
+       std::vector<std::string> input;
+
+       lua_getfield(L, table0, "output");
+       luaL_checktype(L, -1, LUA_TSTRING);
+       if(lua_isstring(L, -1))
+               output = lua_tostring(L, -1);
+       lua_pop(L, 1);
+
+       lua_getfield(L, table0, "recipe");
+       luaL_checktype(L, -1, LUA_TTABLE);
+       if(lua_istable(L, -1)){
+               int table1 = lua_gettop(L);
+               lua_pushnil(L);
+               int rowcount = 0;
+               while(lua_next(L, table1) != 0){
+                       int colcount = 0;
+                       // key at index -2 and value at index -1
+                       luaL_checktype(L, -1, LUA_TTABLE);
+                       if(lua_istable(L, -1)){
+                               int table2 = lua_gettop(L);
+                               lua_pushnil(L);
+                               while(lua_next(L, table2) != 0){
+                                       // key at index -2 and value at index -1
+                                       luaL_checktype(L, -1, LUA_TSTRING);
+                                       input.push_back(lua_tostring(L, -1));
+                                       // removes value, keeps key for next iteration
+                                       lua_pop(L, 1);
+                                       colcount++;
+                               }
+                       }
+                       if(rowcount == 0){
+                               width = colcount;
+                       } else {
+                               if(colcount != width){
+                                       script_error(L, "error: %s\n", "Invalid crafting recipe");
+                               }
+                       }
+                       // removes value, keeps key for next iteration
+                       lua_pop(L, 1);
+                       rowcount++;
+               }
+       }
+       lua_pop(L, 1);
+
+       CraftDefinition def(output, width, input);
+       craftdef->registerCraft(def);
+
+       return 0; /* number of results */
+}
+
 static const struct luaL_Reg minetest_f [] = {
        {"register_entity", l_register_entity},
        {"register_globalstep", l_register_globalstep},
-       //{"deregister_tools", l_deregister_tools},
        {"register_tool", l_register_tool},
        {"register_node", l_register_node},
+       {"register_craft", l_register_craft},
        {NULL, NULL}
 };