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-rw-r--r--src/craftdef.h96
1 files changed, 83 insertions, 13 deletions
diff --git a/src/craftdef.h b/src/craftdef.h
index 7902a2e27..cc7a0619c 100644
--- a/src/craftdef.h
+++ b/src/craftdef.h
@@ -44,6 +44,28 @@ enum CraftMethod
};
/*
+ The type a hash can be. The earlier a type is mentioned in this enum,
+ the earlier it is tried at crafting, and the less likely is a collision.
+ Changing order causes changes in behaviour, so know what you do.
+ */
+enum CraftHashType
+{
+ // Hashes the normalized names of the recipe's elements.
+ // Only recipes without group usage can be found here,
+ // because groups can't be guessed efficiently.
+ CRAFT_HASH_TYPE_ITEM_NAMES,
+
+ // Counts the non-empty slots.
+ CRAFT_HASH_TYPE_COUNT,
+
+ // This layer both spares an extra variable, and helps to retain (albeit rarely used) functionality. Maps to 0.
+ // Before hashes are "initialized", all hashes reside here, after initialisation, none are.
+ CRAFT_HASH_TYPE_UNHASHED
+
+};
+const int craft_hash_type_max = (int) CRAFT_HASH_TYPE_UNHASHED;
+
+/*
Input: The contents of the crafting slots, arranged in matrix form
*/
struct CraftInput
@@ -135,8 +157,13 @@ public:
// Decreases count of every input item
virtual void decrementInput(CraftInput &input, IGameDef *gamedef) const=0;
- virtual std::string dump() const=0;
+ virtual CraftHashType getHashType() const = 0;
+ virtual u64 getHash(CraftHashType type) const = 0;
+
+ // to be called after all mods are loaded, so that we catch all aliases
+ virtual void initHash(IGameDef *gamedef) = 0;
+ virtual std::string dump() const=0;
protected:
virtual void serializeBody(std::ostream &os) const=0;
virtual void deSerializeBody(std::istream &is, int version)=0;
@@ -152,14 +179,15 @@ class CraftDefinitionShaped: public CraftDefinition
{
public:
CraftDefinitionShaped():
- output(""), width(1), recipe(), replacements()
+ output(""), width(1), recipe(), hash_inited(false), replacements()
{}
CraftDefinitionShaped(
const std::string &output_,
unsigned int width_,
const std::vector<std::string> &recipe_,
const CraftReplacements &replacements_):
- output(output_), width(width_), recipe(recipe_), replacements(replacements_)
+ output(output_), width(width_), recipe(recipe_),
+ hash_inited(false), replacements(replacements_)
{}
virtual ~CraftDefinitionShaped(){}
@@ -169,6 +197,11 @@ public:
virtual CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const;
virtual void decrementInput(CraftInput &input, IGameDef *gamedef) const;
+ virtual CraftHashType getHashType() const;
+ virtual u64 getHash(CraftHashType type) const;
+
+ virtual void initHash(IGameDef *gamedef);
+
virtual std::string dump() const;
protected:
@@ -182,6 +215,10 @@ private:
unsigned int width;
// Recipe matrix (itemstrings)
std::vector<std::string> recipe;
+ // Recipe matrix (item names)
+ std::vector<std::string> recipe_names;
+ // bool indicating if initHash has been called already
+ bool hash_inited;
// Replacement items for decrementInput()
CraftReplacements replacements;
};
@@ -195,13 +232,14 @@ class CraftDefinitionShapeless: public CraftDefinition
{
public:
CraftDefinitionShapeless():
- output(""), recipe(), replacements()
+ output(""), recipe(), hash_inited(false), replacements()
{}
CraftDefinitionShapeless(
const std::string &output_,
const std::vector<std::string> &recipe_,
const CraftReplacements &replacements_):
- output(output_), recipe(recipe_), replacements(replacements_)
+ output(output_), recipe(recipe_),
+ hash_inited(false), replacements(replacements_)
{}
virtual ~CraftDefinitionShapeless(){}
@@ -211,6 +249,11 @@ public:
virtual CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const;
virtual void decrementInput(CraftInput &input, IGameDef *gamedef) const;
+ virtual CraftHashType getHashType() const;
+ virtual u64 getHash(CraftHashType type) const;
+
+ virtual void initHash(IGameDef *gamedef);
+
virtual std::string dump() const;
protected:
@@ -222,6 +265,10 @@ private:
std::string output;
// Recipe list (itemstrings)
std::vector<std::string> recipe;
+ // Recipe list (item names)
+ std::vector<std::string> recipe_names;
+ // bool indicating if initHash has been called already
+ bool hash_inited;
// Replacement items for decrementInput()
CraftReplacements replacements;
};
@@ -249,6 +296,11 @@ public:
virtual CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const;
virtual void decrementInput(CraftInput &input, IGameDef *gamedef) const;
+ virtual CraftHashType getHashType() const { return CRAFT_HASH_TYPE_COUNT; }
+ virtual u64 getHash(CraftHashType type) const { return 2; }
+
+ virtual void initHash(IGameDef *gamedef) {}
+
virtual std::string dump() const;
protected:
@@ -272,14 +324,15 @@ class CraftDefinitionCooking: public CraftDefinition
{
public:
CraftDefinitionCooking():
- output(""), recipe(""), cooktime()
+ output(""), recipe(""), hash_inited(false), cooktime()
{}
CraftDefinitionCooking(
const std::string &output_,
const std::string &recipe_,
float cooktime_,
const CraftReplacements &replacements_):
- output(output_), recipe(recipe_), cooktime(cooktime_), replacements(replacements_)
+ output(output_), recipe(recipe_), hash_inited(false),
+ cooktime(cooktime_), replacements(replacements_)
{}
virtual ~CraftDefinitionCooking(){}
@@ -289,6 +342,11 @@ public:
virtual CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const;
virtual void decrementInput(CraftInput &input, IGameDef *gamedef) const;
+ virtual CraftHashType getHashType() const;
+ virtual u64 getHash(CraftHashType type) const;
+
+ virtual void initHash(IGameDef *gamedef);
+
virtual std::string dump() const;
protected:
@@ -300,6 +358,10 @@ private:
std::string output;
// Recipe itemstring
std::string recipe;
+ // Recipe item name
+ std::string recipe_name;
+ // bool indicating if initHash has been called already
+ bool hash_inited;
// Time in seconds
float cooktime;
// Replacement items for decrementInput()
@@ -314,12 +376,12 @@ class CraftDefinitionFuel: public CraftDefinition
{
public:
CraftDefinitionFuel():
- recipe(""), burntime()
+ recipe(""), hash_inited(false), burntime()
{}
CraftDefinitionFuel(std::string recipe_,
float burntime_,
const CraftReplacements &replacements_):
- recipe(recipe_), burntime(burntime_), replacements(replacements_)
+ recipe(recipe_), hash_inited(false), burntime(burntime_), replacements(replacements_)
{}
virtual ~CraftDefinitionFuel(){}
@@ -329,6 +391,11 @@ public:
virtual CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const;
virtual void decrementInput(CraftInput &input, IGameDef *gamedef) const;
+ virtual CraftHashType getHashType() const;
+ virtual u64 getHash(CraftHashType type) const;
+
+ virtual void initHash(IGameDef *gamedef);
+
virtual std::string dump() const;
protected:
@@ -338,6 +405,10 @@ protected:
private:
// Recipe itemstring
std::string recipe;
+ // Recipe item name
+ std::string recipe_name;
+ // bool indicating if initHash has been called already
+ bool hash_inited;
// Time in seconds
float burntime;
// Replacement items for decrementInput()
@@ -361,8 +432,6 @@ public:
// Print crafting recipes for debugging
virtual std::string dump() const=0;
-
- virtual void serialize(std::ostream &os) const=0;
};
class IWritableCraftDefManager : public ICraftDefManager
@@ -383,11 +452,12 @@ public:
// Add a crafting definition.
// After calling this, the pointer belongs to the manager.
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, IGameDef *gamedef) = 0;
+ // To be called after all mods are loaded, so that we catch all aliases
+ virtual void initHashes(IGameDef *gamedef) = 0;
};
IWritableCraftDefManager* createCraftDefManager();
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-13 15:30:02 +0000