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Optimize minetest.get_(all)_craft_recipe(s) 

Signed off by: ShadowNinja, kwolekr
This commit is contained in:
gregorycu 2015-01-27 00:46:55 +11:00 committed by kwolekr
parent 1e4fb80d46
commit 03e0dd33a8
3 changed files with 107 additions and 180 deletions
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103
src/craftdef.cpp
View File

@ -27,6 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "gamedef.h"
#include "inventory.h"
#include "util/serialize.h"
#include "util/numeric.h"
#include "strfnd.h"
#include "exceptions.h"
@ -931,85 +932,30 @@ public:
}
return false;
}
virtual bool getCraftRecipe(CraftInput &input, CraftOutput &output,
IGameDef *gamedef) const
{
CraftOutput tmpout;
tmpout.item = "";
tmpout.time = 0;
// If output item is empty, abort.
if(output.item.empty())
return false;
// Walk crafting definitions from back to front, so that later
// definitions can override earlier ones.
for(std::vector<CraftDefinition*>::const_reverse_iterator
i = m_craft_definitions.rbegin();
i != m_craft_definitions.rend(); i++)
{
CraftDefinition *def = *i;
/*infostream<<"Checking "<<input.dump()<<std::endl
<<" against "<<def->dump()<<std::endl;*/
try {
tmpout = def->getOutput(input, gamedef);
if((tmpout.item.substr(0,output.item.length()) == output.item) &&
((tmpout.item[output.item.length()] == 0) ||
(tmpout.item[output.item.length()] == ' ')))
{
// Get output, then decrement input (if requested)
input = def->getInput(output, gamedef);
return true;
}
}
catch(SerializationError &e)
{
errorstream<<"getCraftResult: ERROR: "
<<"Serialization error in recipe "
<<def->dump()<<std::endl;
// then go on with the next craft definition
}
}
return false;
}
virtual std::vector<CraftDefinition*> getCraftRecipes(CraftOutput &output,
IGameDef *gamedef) const
IGameDef *gamedef, unsigned limit=0) const
{
std::vector<CraftDefinition*> recipes_list;
CraftInput input;
CraftOutput tmpout;
tmpout.item = "";
tmpout.time = 0;
std::vector<CraftDefinition*> recipes;
for(std::vector<CraftDefinition*>::const_reverse_iterator
i = m_craft_definitions.rbegin();
i != m_craft_definitions.rend(); i++)
{
CraftDefinition *def = *i;
std::map<std::string, std::vector<CraftDefinition*> >::const_iterator
vec_iter = m_output_craft_definitions.find(output.item);
/*infostream<<"Checking "<<input.dump()<<std::endl
<<" against "<<def->dump()<<std::endl;*/
if (vec_iter == m_output_craft_definitions.end())
return recipes;
try {
tmpout = def->getOutput(input, gamedef);
if(tmpout.item.substr(0,output.item.length()) == output.item)
{
// Get output, then decrement input (if requested)
input = def->getInput(output, gamedef);
recipes_list.push_back(*i);
}
}
catch(SerializationError &e)
{
errorstream<<"getCraftResult: ERROR: "
<<"Serialization error in recipe "
<<def->dump()<<std::endl;
// then go on with the next craft definition
}
const std::vector<CraftDefinition*> &vec = vec_iter->second;
recipes.reserve(limit ? MYMIN(limit, vec.size()) : vec.size());
for (std::vector<CraftDefinition*>::const_reverse_iterator
it = vec.rbegin(); it != vec.rend(); ++it) {
if (limit && recipes.size() >= limit)
break;
recipes.push_back(*it);
}
return recipes_list;
return recipes;
}
virtual std::string dump() const
{
@ -1023,11 +969,16 @@ public:
}
return os.str();
}
virtual void registerCraft(CraftDefinition *def)
virtual void registerCraft(CraftDefinition *def, IGameDef *gamedef)
{
verbosestream<<"registerCraft: registering craft definition: "
<<def->dump()<<std::endl;
m_craft_definitions.push_back(def);
CraftInput input;
std::string output_name = craftGetItemName(
def->getOutput(input, gamedef).item, gamedef);
m_output_craft_definitions[output_name].push_back(def);
}
virtual void clear()
{
@ -1037,6 +988,7 @@ public:
delete *i;
}
m_craft_definitions.clear();
m_output_craft_definitions.clear();
}
virtual void serialize(std::ostream &os) const
{
@ -1053,7 +1005,7 @@ public:
os<<serializeString(tmp_os.str());
}
}
virtual void deSerialize(std::istream &is)
virtual void deSerialize(std::istream &is, IGameDef *gamedef)
{
// Clear everything
clear();
@ -1067,11 +1019,12 @@ public:
std::istringstream tmp_is(deSerializeString(is), std::ios::binary);
CraftDefinition *def = CraftDefinition::deSerialize(tmp_is);
// Register
registerCraft(def);
registerCraft(def, gamedef);
}
}
private:
std::vector<CraftDefinition*> m_craft_definitions;
std::map<std::string, std::vector<CraftDefinition*> > m_output_craft_definitions;
};
IWritableCraftDefManager* createCraftDefManager()

12
src/craftdef.h
View File

@ -356,10 +356,8 @@ public:
// The main crafting function
virtual bool getCraftResult(CraftInput &input, CraftOutput &output,
bool decrementInput, IGameDef *gamedef) const=0;
virtual bool getCraftRecipe(CraftInput &input, CraftOutput &output,
IGameDef *gamedef) const=0;
virtual std::vector<CraftDefinition*> getCraftRecipes(CraftOutput &output,
IGameDef *gamedef) const=0;
IGameDef *gamedef, unsigned limit=0) const=0;
// Print crafting recipes for debugging
virtual std::string dump() const=0;
@ -376,22 +374,20 @@ public:
// The main crafting function
virtual bool getCraftResult(CraftInput &input, CraftOutput &output,
bool decrementInput, IGameDef *gamedef) const=0;
virtual bool getCraftRecipe(CraftInput &input, CraftOutput &output,
IGameDef *gamedef) const=0;
virtual std::vector<CraftDefinition*> getCraftRecipes(CraftOutput &output,
IGameDef *gamedef) const=0;
IGameDef *gamedef, unsigned limit=0) const=0;
// Print crafting recipes for debugging
virtual std::string dump() const=0;
// Add a crafting definition.
// After calling this, the pointer belongs to the manager.
virtual void registerCraft(CraftDefinition *def)=0;
virtual void registerCraft(CraftDefinition *def, IGameDef *gamedef) = 0;
// Delete all crafting definitions
virtual void clear()=0;
virtual void serialize(std::ostream &os) const=0;
virtual void deSerialize(std::istream &is)=0;
virtual void deSerialize(std::istream &is, IGameDef *gamedef) = 0;
};
IWritableCraftDefManager* createCraftDefManager();

172
src/script/lua_api/l_craft.cpp
View File

@ -173,7 +173,7 @@ int ModApiCraft::l_register_craft(lua_State *L)
CraftDefinition *def = new CraftDefinitionShaped(
output, width, recipe, replacements);
craftdef->registerCraft(def);
craftdef->registerCraft(def, getServer(L));
}
/*
CraftDefinitionShapeless
@ -205,7 +205,7 @@ int ModApiCraft::l_register_craft(lua_State *L)
CraftDefinition *def = new CraftDefinitionShapeless(
output, recipe, replacements);
craftdef->registerCraft(def);
craftdef->registerCraft(def, getServer(L));
}
/*
CraftDefinitionToolRepair
@ -216,7 +216,7 @@ int ModApiCraft::l_register_craft(lua_State *L)
CraftDefinition *def = new CraftDefinitionToolRepair(
additional_wear);
craftdef->registerCraft(def);
craftdef->registerCraft(def, getServer(L));
}
/*
CraftDefinitionCooking
@ -246,7 +246,7 @@ int ModApiCraft::l_register_craft(lua_State *L)
CraftDefinition *def = new CraftDefinitionCooking(
output, recipe, cooktime, replacements);
craftdef->registerCraft(def);
craftdef->registerCraft(def, getServer(L));
}
/*
CraftDefinitionFuel
@ -270,7 +270,7 @@ int ModApiCraft::l_register_craft(lua_State *L)
CraftDefinition *def = new CraftDefinitionFuel(
recipe, burntime, replacements);
craftdef->registerCraft(def);
craftdef->registerCraft(def, getServer(L));
}
else
{
@ -326,56 +326,80 @@ int ModApiCraft::l_get_craft_result(lua_State *L)
return 2;
}
void push_craft_recipe(lua_State *L, IGameDef *gdef,
const CraftDefinition *recipe,
const CraftOutput &tmpout)
{
CraftInput input = recipe->getInput(tmpout, gdef);
CraftOutput output = recipe->getOutput(input, gdef);
lua_newtable(L); // items
std::vector<ItemStack>::const_iterator iter = input.items.begin();
for (u16 j = 1; iter != input.items.end(); iter++, j++) {
if (iter->empty())
continue;
lua_pushstring(L, iter->name.c_str());
lua_rawseti(L, -2, j);
}
lua_setfield(L, -2, "items");
setintfield(L, -1, "width", input.width);
switch (input.method) {
case CRAFT_METHOD_NORMAL:
lua_pushstring(L, "normal");
break;
case CRAFT_METHOD_COOKING:
lua_pushstring(L, "cooking");
break;
case CRAFT_METHOD_FUEL:
lua_pushstring(L, "fuel");
break;
default:
lua_pushstring(L, "unknown");
}
lua_setfield(L, -2, "type");
lua_pushstring(L, tmpout.item.c_str());
lua_setfield(L, -2, "output");
}
void push_craft_recipes(lua_State *L, IGameDef *gdef,
const std::vector<CraftDefinition*> &recipes,
const CraftOutput &output)
{
lua_createtable(L, recipes.size(), 0);
if (recipes.empty()) {
lua_pushnil(L);
return;
}
std::vector<CraftDefinition*>::const_iterator it = recipes.begin();
for (unsigned i = 0; it != recipes.end(); ++it) {
lua_newtable(L);
push_craft_recipe(L, gdef, *it, output);
lua_rawseti(L, -2, ++i);
}
}
// get_craft_recipe(result item)
int ModApiCraft::l_get_craft_recipe(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
int k = 1;
int input_i = 1;
std::string o_item = luaL_checkstring(L,input_i);
std::string item = luaL_checkstring(L, 1);
Server *server = getServer(L);
CraftOutput output(item, 0);
std::vector<CraftDefinition*> recipes = server->cdef()
->getCraftRecipes(output, server, 1);
IGameDef *gdef = getServer(L);
ICraftDefManager *cdef = gdef->cdef();
CraftInput input;
CraftOutput output(o_item,0);
bool got = cdef->getCraftRecipe(input, output, gdef);
lua_newtable(L); // output table
if(got){
lua_newtable(L);
for(std::vector<ItemStack>::const_iterator
i = input.items.begin();
i != input.items.end(); i++, k++)
{
if (i->empty())
{
continue;
}
lua_pushinteger(L,k);
lua_pushstring(L,i->name.c_str());
lua_settable(L, -3);
}
lua_setfield(L, -2, "items");
setintfield(L, -1, "width", input.width);
switch (input.method) {
case CRAFT_METHOD_NORMAL:
lua_pushstring(L,"normal");
break;
case CRAFT_METHOD_COOKING:
lua_pushstring(L,"cooking");
break;
case CRAFT_METHOD_FUEL:
lua_pushstring(L,"fuel");
break;
default:
lua_pushstring(L,"unknown");
}
lua_setfield(L, -2, "type");
} else {
if (recipes.empty()) {
lua_pushnil(L);
lua_setfield(L, -2, "items");
setintfield(L, -1, "width", 0);
return 1;
}
push_craft_recipe(L, server, recipes[0], output);
return 1;
}
@ -384,59 +408,13 @@ int ModApiCraft::l_get_all_craft_recipes(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
std::string o_item = luaL_checkstring(L,1);
IGameDef *gdef = getServer(L);
ICraftDefManager *cdef = gdef->cdef();
CraftInput input;
CraftOutput output(o_item,0);
std::vector<CraftDefinition*> recipes_list;
recipes_list = cdef->getCraftRecipes(output, gdef);
if (recipes_list.empty()) {
lua_pushnil(L);
return 1;
}
std::string item = luaL_checkstring(L, 1);
Server *server = getServer(L);
CraftOutput output(item, 0);
std::vector<CraftDefinition*> recipes = server->cdef()
->getCraftRecipes(output, server);
lua_createtable(L, recipes_list.size(), 0);
std::vector<CraftDefinition*>::const_iterator iter = recipes_list.begin();
for (u16 i = 0; iter != recipes_list.end(); iter++) {
CraftOutput tmpout;
tmpout.item = "";
tmpout.time = 0;
tmpout = (*iter)->getOutput(input, gdef);
std::string query = tmpout.item;
char *fmtpos, *fmt = &query[0];
if (strtok_r(fmt, " ", &fmtpos) == output.item) {
input = (*iter)->getInput(output, gdef);
lua_newtable(L);
lua_newtable(L); // items
std::vector<ItemStack>::const_iterator iter = input.items.begin();
for (u16 j = 1; iter != input.items.end(); iter++, j++) {
if (iter->empty())
continue;
lua_pushstring(L, iter->name.c_str());
lua_rawseti(L, -2, j);
}
lua_setfield(L, -2, "items");
setintfield(L, -1, "width", input.width);
switch (input.method) {
case CRAFT_METHOD_NORMAL:
lua_pushstring(L, "normal");
break;
case CRAFT_METHOD_COOKING:
lua_pushstring(L, "cooking");
break;
case CRAFT_METHOD_FUEL:
lua_pushstring(L, "fuel");
break;
default:
lua_pushstring(L, "unknown");
}
lua_setfield(L, -2, "type");
lua_pushstring(L, &tmpout.item[0]);
lua_setfield(L, -2, "output");
lua_rawseti(L, -2, ++i);
}
}
push_craft_recipes(L, server, recipes, output);
return 1;
}