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-rw-r--r--src/Enchantments.cpp32
-rw-r--r--src/Enchantments.h5
-rw-r--r--src/FastRandom.cpp11
-rw-r--r--src/FastRandom.h2
-rw-r--r--src/ItemGrid.cpp2
5 files changed, 36 insertions, 16 deletions
diff --git a/src/Enchantments.cpp b/src/Enchantments.cpp
index e106ef398..3cddf37ae 100644
--- a/src/Enchantments.cpp
+++ b/src/Enchantments.cpp
@@ -6,6 +6,7 @@
#include "Enchantments.h"
#include "WorldStorage/FastNBT.h"
#include "FastRandom.h"
+#include "Noise.h"
@@ -994,20 +995,43 @@ void cEnchantments::CheckEnchantmentConflictsFromVector(cWeightedEnchantments &
-cEnchantments cEnchantments::GetRandomEnchantmentFromVector(cWeightedEnchantments & a_Enchantments, int a_Seed)
+cEnchantments cEnchantments::GetRandomEnchantmentFromVector(cWeightedEnchantments & a_Enchantments)
{
cFastRandom Random;
- if (a_Seed != -1)
+
+ int AllWeights = 0;
+ for (cWeightedEnchantments::iterator it = a_Enchantments.begin(); it != a_Enchantments.end(); ++it)
+ {
+ AllWeights += (*it).m_Weight;
+ }
+ int RandomNumber = Random.GenerateRandomInteger(0, AllWeights - 1);
+ for (cWeightedEnchantments::iterator it = a_Enchantments.begin(); it != a_Enchantments.end(); ++it)
{
- Random = cFastRandom(a_Seed);
+ RandomNumber -= (*it).m_Weight;
+ if (RandomNumber < 0)
+ {
+ return (*it).m_Enchantments;
+ }
}
+ return cEnchantments();
+}
+
+
+
+
+
+cEnchantments cEnchantments::GenerateEnchantmentFromVector(cWeightedEnchantments & a_Enchantments, int a_Seed)
+{
int AllWeights = 0;
for (cWeightedEnchantments::iterator it = a_Enchantments.begin(); it != a_Enchantments.end(); ++it)
{
AllWeights += (*it).m_Weight;
}
- int RandomNumber = Random.GenerateRandomInteger(0, AllWeights - 1);
+
+ cNoise Noise(a_Seed);
+ int RandomNumber = Noise.IntNoise1DInt(AllWeights) % AllWeights;
+
for (cWeightedEnchantments::iterator it = a_Enchantments.begin(); it != a_Enchantments.end(); ++it)
{
RandomNumber -= (*it).m_Weight;
diff --git a/src/Enchantments.h b/src/Enchantments.h
index 798d3bf61..e4390a5f2 100644
--- a/src/Enchantments.h
+++ b/src/Enchantments.h
@@ -126,7 +126,10 @@ public:
static void CheckEnchantmentConflictsFromVector(cWeightedEnchantments & a_Enchantments, cEnchantments a_FirstEnchantment);
/** Gets random enchantment from Vector and returns it */
- static cEnchantments GetRandomEnchantmentFromVector(cWeightedEnchantments & a_Enchantments, int a_Seed = -1);
+ static cEnchantments GetRandomEnchantmentFromVector(cWeightedEnchantments & a_Enchantments);
+
+ /** Returns an enchantment from a Vector using cNoise. Mostly used for generators.*/
+ static cEnchantments GenerateEnchantmentFromVector(cWeightedEnchantments & a_Enchantments, int a_Seed);
/** Returns true if a_Other doesn't contain exactly the same enchantments and levels */
bool operator !=(const cEnchantments & a_Other) const;
diff --git a/src/FastRandom.cpp b/src/FastRandom.cpp
index 052d976da..42bf5f3f9 100644
--- a/src/FastRandom.cpp
+++ b/src/FastRandom.cpp
@@ -90,17 +90,10 @@ int cFastRandom::m_SeedCounter = 0;
-cFastRandom::cFastRandom(int a_Seed) :
+cFastRandom::cFastRandom(void) :
+ m_Seed(m_SeedCounter++),
m_Counter(0)
{
- if (a_Seed == -1)
- {
- m_Seed = m_SeedCounter++;
- }
- else
- {
- m_Seed = a_Seed;
- }
}
diff --git a/src/FastRandom.h b/src/FastRandom.h
index 5a8ac097a..cebebad96 100644
--- a/src/FastRandom.h
+++ b/src/FastRandom.h
@@ -30,7 +30,7 @@ salts, the values they get will be different.
class cFastRandom
{
public:
- cFastRandom(int a_Seed = -1);
+ cFastRandom(void);
/// Returns a random int in the range [0 .. a_Range - 1]; a_Range must be less than 1M
int NextInt(int a_Range);
diff --git a/src/ItemGrid.cpp b/src/ItemGrid.cpp
index 68e753e08..a5273c6da 100644
--- a/src/ItemGrid.cpp
+++ b/src/ItemGrid.cpp
@@ -646,7 +646,7 @@ void cItemGrid::GenerateRandomLootWithBooks(const cLootProbab * a_LootProbabs, s
for (int I = 0; I <= NumEnchantments; I++)
{
- cEnchantments Enchantment = cEnchantments::GetRandomEnchantmentFromVector(Enchantments, a_Seed);
+ cEnchantments Enchantment = cEnchantments::GenerateEnchantmentFromVector(Enchantments, Noise.IntNoise2DInt(NumEnchantments, i));
CurrentLoot.m_Enchantments.AddFromString(Enchantment.ToString());
cEnchantments::RemoveEnchantmentWeightFromVector(Enchantments, Enchantment);
}