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-rw-r--r--projects/openttd.vcproj9
-rw-r--r--projects/openttd_vs80.vcproj12
-rw-r--r--projects/openttd_vs90.vcproj12
-rw-r--r--source.list3
-rw-r--r--src/core/random_func.cpp930
-rw-r--r--src/core/random_func.hpp234
-rw-r--r--src/functions.h44
-rw-r--r--src/mersenne.cpp76
-rw-r--r--src/misc.cpp51
-rw-r--r--src/os2.cpp2
-rw-r--r--src/unix.cpp3
-rw-r--r--src/win32.cpp4
12 files changed, 1192 insertions, 188 deletions
diff --git a/projects/openttd.vcproj b/projects/openttd.vcproj
index 7ee50b846..cb4270d02 100644
--- a/projects/openttd.vcproj
+++ b/projects/openttd.vcproj
@@ -198,6 +198,9 @@
RelativePath=".\..\src\console_cmds.cpp">
</File>
<File
+ RelativePath=".\..\src\core\random_func.cpp">
+ </File>
+ <File
RelativePath=".\..\src\currency.cpp">
</File>
<File
@@ -258,9 +261,6 @@
RelativePath=".\..\src\md5.cpp">
</File>
<File
- RelativePath=".\..\src\mersenne.cpp">
- </File>
- <File
RelativePath=".\..\src\minilzo.cpp">
</File>
<File
@@ -427,6 +427,9 @@
RelativePath=".\..\src\console.h">
</File>
<File
+ RelativePath=".\..\src\core\random_func.hpp">
+ </File>
+ <File
RelativePath=".\..\src\currency.h">
</File>
<File
diff --git a/projects/openttd_vs80.vcproj b/projects/openttd_vs80.vcproj
index 07ec91eea..62b4019a8 100644
--- a/projects/openttd_vs80.vcproj
+++ b/projects/openttd_vs80.vcproj
@@ -496,6 +496,10 @@
>
</File>
<File
+ RelativePath=".\..\src\core\random_func.cpp"
+ >
+ </File>
+ <File
RelativePath=".\..\src\currency.cpp"
>
</File>
@@ -576,10 +580,6 @@
>
</File>
<File
- RelativePath=".\..\src\mersenne.cpp"
- >
- </File>
- <File
RelativePath=".\..\src\minilzo.cpp"
>
</File>
@@ -800,6 +800,10 @@
>
</File>
<File
+ RelativePath=".\..\src\core\random_func.hpp"
+ >
+ </File>
+ <File
RelativePath=".\..\src\currency.h"
>
</File>
diff --git a/projects/openttd_vs90.vcproj b/projects/openttd_vs90.vcproj
index 9e23cebd3..a997e1682 100644
--- a/projects/openttd_vs90.vcproj
+++ b/projects/openttd_vs90.vcproj
@@ -493,6 +493,10 @@
>
</File>
<File
+ RelativePath=".\..\src\core\random_func.cpp"
+ >
+ </File>
+ <File
RelativePath=".\..\src\currency.cpp"
>
</File>
@@ -573,10 +577,6 @@
>
</File>
<File
- RelativePath=".\..\src\mersenne.cpp"
- >
- </File>
- <File
RelativePath=".\..\src\minilzo.cpp"
>
</File>
@@ -797,6 +797,10 @@
>
</File>
<File
+ RelativePath=".\..\src\core\random_func.hpp"
+ >
+ </File>
+ <File
RelativePath=".\..\src\currency.h"
>
</File>
diff --git a/source.list b/source.list
index a4cc2da0a..71b615a60 100644
--- a/source.list
+++ b/source.list
@@ -10,6 +10,7 @@ cargotype.cpp
command.cpp
console.cpp
console_cmds.cpp
+core/random_func.cpp
currency.cpp
date.cpp
debug.cpp
@@ -30,7 +31,6 @@ helpers.cpp
landscape.cpp
map.cpp
md5.cpp
-mersenne.cpp
minilzo.cpp
misc.cpp
mixer.cpp
@@ -108,6 +108,7 @@ cargopacket.h
cargotype.h
command.h
console.h
+core/random_func.hpp
currency.h
date.h
debug.h
diff --git a/src/core/random_func.cpp b/src/core/random_func.cpp
new file mode 100644
index 000000000..be22e376d
--- /dev/null
+++ b/src/core/random_func.cpp
@@ -0,0 +1,930 @@
+/* $Id$ */
+
+/** @file random_func.cpp */
+
+#include "../stdafx.h"
+#include "../macros.h"
+#include "../variables.h"
+#include "random_func.hpp"
+
+uint32 InteractiveRandom()
+{
+ const uint32 s = _random_seeds[1][0];
+ const uint32 t = _random_seeds[1][1];
+
+ _random_seeds[1][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+ return _random_seeds[1][1] = ROR(s, 3) - 1;
+}
+
+uint InteractiveRandomRange(uint max)
+{
+ return GB(InteractiveRandom(), 0, 16) * max >> 16;
+}
+
+#ifdef MERSENNE_TWISTER
+// Source code for Mersenne Twister.
+// A Random number generator with much higher quality random numbers.
+
+#define N (624) // length of _mt_state vector
+#define M (397) // a period parameter
+#define K (0x9908B0DFU) // a magic constant
+#define hiBit(u) ((u) & 0x80000000U) // mask all but highest bit of u
+#define loBit(u) ((u) & 0x00000001U) // mask all but lowest bit of u
+#define loBits(u) ((u) & 0x7FFFFFFFU) // mask the highest bit of u
+#define mixBits(u, v) (hiBit(u)|loBits(v)) // move hi bit of u to hi bit of v
+
+static uint32 _mt_state[N+1]; // _mt_state vector + 1 extra to not violate ANSI C
+static uint32 *_mt_next; // _mt_next random value is computed from here
+static int _mt_left = -1; // can *_mt_next++ this many times before reloading
+
+void SetRandomSeed(register uint32 seed)
+{
+ register uint32 *s = _mt_state;
+ _mt_left = 0;
+
+ seed |= 1U;
+ seed &= 0xFFFFFFFFU;
+
+ *s = seed;
+
+ for (register uint i = N; i != 0; i--) {
+ seed *= 69069U;
+ *s++;
+ *s = seed & 0xFFFFFFFFU;
+ }
+}
+
+static uint32 ReloadRandom()
+{
+ if (_mt_left < -1) SetRandomSeed(4357U);
+
+ _mt_left = N - 1;
+ _mt_next = _mt_state + 1;
+
+ register uint32 *p0 = _mt_state;
+ register uint32 *p2 = _mt_state + 2;
+ register uint32 *pM = _mt_state + M;
+
+ register uint32 s0 = _mt_state[0];
+ register uint32 s1 = _mt_state[1];
+
+ register uint i = 0;
+
+ for (i = (N - M + 1); i != 0; i--) {
+ s0 = s1;
+ s1 = *p2;
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ *p0++;
+ *p2++;
+ *pM++;
+ }
+
+ pM = _mt_state;
+
+ for (i = M; i != 0; i--) {
+ s0 = s1;
+ s1 = *p2;
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ *p0++;
+ *p2++;
+ *pM++;
+ }
+
+ s1 = _mt_state[0];
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+
+ s1 ^= (s1 >> 11);
+ s1 ^= (s1 << 7) & 0x9D2C5680U;
+ s1 ^= (s1 << 15) & 0xEFC60000U;
+ s1 ^= (s1 >> 18);
+ return s1;
+}
+
+uint32 Random()
+{
+ _mt_left--;
+ if (_mt_left < 0) return ReloadRandom();
+
+ uint32 y = *_mt_next;
+ *_mt_next++;
+
+ y ^= (y >> 11);
+ y ^= (y << 7) & 0x9D2C5680U;
+ y ^= (y << 15) & 0xEFC60000U;
+ y ^= (y >> 18);
+ return y;
+}
+
+#else /* MERSENNE_TWISTER */
+void SetRandomSeed(uint32 seed)
+{
+ _random_seeds[0][0] = seed;
+ _random_seeds[0][1] = seed;
+ _random_seeds[1][0] = seed * 0x1234567;
+ _random_seeds[1][1] = _random_seeds[1][0];
+}
+
+#ifdef RANDOM_DEBUG
+#include "network/network_data.h"
+uint32 DoRandom(int line, const char *file)
+{
+ if (_networking && (DEREF_CLIENT(0)->status != STATUS_INACTIVE || !_network_server))
+ printf("Random [%d/%d] %s:%d\n",_frame_counter, (byte)_current_player, file, line);
+#else /* RANDOM_DEBUG */
+uint32 Random()
+{
+#endif /* RANDOM_DEBUG */
+ const uint32 s = _random_seeds[0][0];
+ const uint32 t = _random_seeds[0][1];
+
+ _random_seeds[0][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+ return _random_seeds[0][1] = ROR(s, 3) - 1;
+}
+#endif /* MERSENNE_TWISTER */
+
+#if defined(RANDOM_DEBUG) && !defined(MERSENNE_TWISTER)
+uint DoRandomRange(uint max, int line, const char *file)
+{
+ return GB(DoRandom(line, file), 0, 16) * max >> 16;
+}
+#else /* RANDOM_DEBUG & !MERSENNE_TWISTER */
+uint RandomRange(uint max)
+{
+ return GB(Random(), 0, 16) * max >> 16;
+}
+#endif /* RANDOM_DEBUG & !MERSENNE_TWISTER */
+/* $Id$ */
+
+/** @file random_func.cpp */
+
+#include "../stdafx.h"
+#include "../macros.h"
+#include "../variables.h"
+#include "random_func.hpp"
+
+uint32 InteractiveRandom()
+{
+ const uint32 s = _random_seeds[1][0];
+ const uint32 t = _random_seeds[1][1];
+
+ _random_seeds[1][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+ return _random_seeds[1][1] = ROR(s, 3) - 1;
+}
+
+uint InteractiveRandomRange(uint max)
+{
+ return GB(InteractiveRandom(), 0, 16) * max >> 16;
+}
+
+#ifdef MERSENNE_TWISTER
+// Source code for Mersenne Twister.
+// A Random number generator with much higher quality random numbers.
+
+#define N (624) // length of _mt_state vector
+#define M (397) // a period parameter
+#define K (0x9908B0DFU) // a magic constant
+#define hiBit(u) ((u) & 0x80000000U) // mask all but highest bit of u
+#define loBit(u) ((u) & 0x00000001U) // mask all but lowest bit of u
+#define loBits(u) ((u) & 0x7FFFFFFFU) // mask the highest bit of u
+#define mixBits(u, v) (hiBit(u)|loBits(v)) // move hi bit of u to hi bit of v
+
+static uint32 _mt_state[N+1]; // _mt_state vector + 1 extra to not violate ANSI C
+static uint32 *_mt_next; // _mt_next random value is computed from here
+static int _mt_left = -1; // can *_mt_next++ this many times before reloading
+
+void SetRandomSeed(register uint32 seed)
+{
+ register uint32 *s = _mt_state;
+ _mt_left = 0;
+
+ seed |= 1U;
+ seed &= 0xFFFFFFFFU;
+
+ *s = seed;
+
+ for (register uint i = N; i != 0; i--) {
+ seed *= 69069U;
+ *s++;
+ *s = seed & 0xFFFFFFFFU;
+ }
+}
+
+static uint32 ReloadRandom()
+{
+ if (_mt_left < -1) SetRandomSeed(4357U);
+
+ _mt_left = N - 1;
+ _mt_next = _mt_state + 1;
+
+ register uint32 *p0 = _mt_state;
+ register uint32 *p2 = _mt_state + 2;
+ register uint32 *pM = _mt_state + M;
+
+ register uint32 s0 = _mt_state[0];
+ register uint32 s1 = _mt_state[1];
+
+ register uint i = 0;
+
+ for (i = (N - M + 1); i != 0; i--) {
+ s0 = s1;
+ s1 = *p2;
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ *p0++;
+ *p2++;
+ *pM++;
+ }
+
+ pM = _mt_state;
+
+ for (i = M; i != 0; i--) {
+ s0 = s1;
+ s1 = *p2;
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ *p0++;
+ *p2++;
+ *pM++;
+ }
+
+ s1 = _mt_state[0];
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+
+ s1 ^= (s1 >> 11);
+ s1 ^= (s1 << 7) & 0x9D2C5680U;
+ s1 ^= (s1 << 15) & 0xEFC60000U;
+ s1 ^= (s1 >> 18);
+ return s1;
+}
+
+uint32 Random()
+{
+ _mt_left--;
+ if (_mt_left < 0) return ReloadRandom();
+
+ uint32 y = *_mt_next;
+ *_mt_next++;
+
+ y ^= (y >> 11);
+ y ^= (y << 7) & 0x9D2C5680U;
+ y ^= (y << 15) & 0xEFC60000U;
+ y ^= (y >> 18);
+ return y;
+}
+
+#else /* MERSENNE_TWISTER */
+void SetRandomSeed(uint32 seed)
+{
+ _random_seeds[0][0] = seed;
+ _random_seeds[0][1] = seed;
+ _random_seeds[1][0] = seed * 0x1234567;
+ _random_seeds[1][1] = _random_seeds[1][0];
+}
+
+#ifdef RANDOM_DEBUG
+#include "network/network_data.h"
+uint32 DoRandom(int line, const char *file)
+{
+ if (_networking && (DEREF_CLIENT(0)->status != STATUS_INACTIVE || !_network_server))
+ printf("Random [%d/%d] %s:%d\n",_frame_counter, (byte)_current_player, file, line);
+#else /* RANDOM_DEBUG */
+uint32 Random()
+{
+#endif /* RANDOM_DEBUG */
+ const uint32 s = _random_seeds[0][0];
+ const uint32 t = _random_seeds[0][1];
+
+ _random_seeds[0][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+ return _random_seeds[0][1] = ROR(s, 3) - 1;
+}
+#endif /* MERSENNE_TWISTER */
+
+#if defined(RANDOM_DEBUG) && !defined(MERSENNE_TWISTER)
+uint DoRandomRange(uint max, int line, const char *file)
+{
+ return GB(DoRandom(line, file), 0, 16) * max >> 16;
+}
+#else /* RANDOM_DEBUG & !MERSENNE_TWISTER */
+uint RandomRange(uint max)
+{
+ return GB(Random(), 0, 16) * max >> 16;
+}
+#endif /* RANDOM_DEBUG & !MERSENNE_TWISTER */
+/* $Id$ */
+
+/** @file random_func.cpp */
+
+#include "../stdafx.h"
+#include "../macros.h"
+#include "../variables.h"
+#include "random_func.hpp"
+
+uint32 InteractiveRandom()
+{
+ const uint32 s = _random_seeds[1][0];
+ const uint32 t = _random_seeds[1][1];
+
+ _random_seeds[1][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+ return _random_seeds[1][1] = ROR(s, 3) - 1;
+}
+
+uint InteractiveRandomRange(uint max)
+{
+ return GB(InteractiveRandom(), 0, 16) * max >> 16;
+}
+
+#ifdef MERSENNE_TWISTER
+// Source code for Mersenne Twister.
+// A Random number generator with much higher quality random numbers.
+
+#define N (624) // length of _mt_state vector
+#define M (397) // a period parameter
+#define K (0x9908B0DFU) // a magic constant
+#define hiBit(u) ((u) & 0x80000000U) // mask all but highest bit of u
+#define loBit(u) ((u) & 0x00000001U) // mask all but lowest bit of u
+#define loBits(u) ((u) & 0x7FFFFFFFU) // mask the highest bit of u
+#define mixBits(u, v) (hiBit(u)|loBits(v)) // move hi bit of u to hi bit of v
+
+static uint32 _mt_state[N+1]; // _mt_state vector + 1 extra to not violate ANSI C
+static uint32 *_mt_next; // _mt_next random value is computed from here
+static int _mt_left = -1; // can *_mt_next++ this many times before reloading
+
+void SetRandomSeed(register uint32 seed)
+{
+ register uint32 *s = _mt_state;
+ _mt_left = 0;
+
+ seed |= 1U;
+ seed &= 0xFFFFFFFFU;
+
+ *s = seed;
+
+ for (register uint i = N; i != 0; i--) {
+ seed *= 69069U;
+ *s++;
+ *s = seed & 0xFFFFFFFFU;
+ }
+}
+
+static uint32 ReloadRandom()
+{
+ if (_mt_left < -1) SetRandomSeed(4357U);
+
+ _mt_left = N - 1;
+ _mt_next = _mt_state + 1;
+
+ register uint32 *p0 = _mt_state;
+ register uint32 *p2 = _mt_state + 2;
+ register uint32 *pM = _mt_state + M;
+
+ register uint32 s0 = _mt_state[0];
+ register uint32 s1 = _mt_state[1];
+
+ register uint i = 0;
+
+ for (i = (N - M + 1); i != 0; i--) {
+ s0 = s1;
+ s1 = *p2;
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ *p0++;
+ *p2++;
+ *pM++;
+ }
+
+ pM = _mt_state;
+
+ for (i = M; i != 0; i--) {
+ s0 = s1;
+ s1 = *p2;
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ *p0++;
+ *p2++;
+ *pM++;
+ }
+
+ s1 = _mt_state[0];
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+
+ s1 ^= (s1 >> 11);
+ s1 ^= (s1 << 7) & 0x9D2C5680U;
+ s1 ^= (s1 << 15) & 0xEFC60000U;
+ s1 ^= (s1 >> 18);
+ return s1;
+}
+
+uint32 Random()
+{
+ _mt_left--;
+ if (_mt_left < 0) return ReloadRandom();
+
+ uint32 y = *_mt_next;
+ *_mt_next++;
+
+ y ^= (y >> 11);
+ y ^= (y << 7) & 0x9D2C5680U;
+ y ^= (y << 15) & 0xEFC60000U;
+ y ^= (y >> 18);
+ return y;
+}
+
+#else /* MERSENNE_TWISTER */
+void SetRandomSeed(uint32 seed)
+{
+ _random_seeds[0][0] = seed;
+ _random_seeds[0][1] = seed;
+ _random_seeds[1][0] = seed * 0x1234567;
+ _random_seeds[1][1] = _random_seeds[1][0];
+}
+
+#ifdef RANDOM_DEBUG
+#include "network/network_data.h"
+uint32 DoRandom(int line, const char *file)
+{
+ if (_networking && (DEREF_CLIENT(0)->status != STATUS_INACTIVE || !_network_server))
+ printf("Random [%d/%d] %s:%d\n",_frame_counter, (byte)_current_player, file, line);
+#else /* RANDOM_DEBUG */
+uint32 Random()
+{
+#endif /* RANDOM_DEBUG */
+ const uint32 s = _random_seeds[0][0];
+ const uint32 t = _random_seeds[0][1];
+
+ _random_seeds[0][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+ return _random_seeds[0][1] = ROR(s, 3) - 1;
+}
+#endif /* MERSENNE_TWISTER */
+
+#if defined(RANDOM_DEBUG) && !defined(MERSENNE_TWISTER)
+uint DoRandomRange(uint max, int line, const char *file)
+{
+ return GB(DoRandom(line, file), 0, 16) * max >> 16;
+}
+#else /* RANDOM_DEBUG & !MERSENNE_TWISTER */
+uint RandomRange(uint max)
+{
+ return GB(Random(), 0, 16) * max >> 16;
+}
+#endif /* RANDOM_DEBUG & !MERSENNE_TWISTER */
+/* $Id$ */
+
+/** @file random_func.cpp */
+
+#include "../stdafx.h"
+#include "../macros.h"
+#include "../variables.h"
+#include "random_func.hpp"
+
+uint32 InteractiveRandom()
+{
+ const uint32 s = _random_seeds[1][0];
+ const uint32 t = _random_seeds[1][1];
+
+ _random_seeds[1][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+ return _random_seeds[1][1] = ROR(s, 3) - 1;
+}
+
+uint InteractiveRandomRange(uint max)
+{
+ return GB(InteractiveRandom(), 0, 16) * max >> 16;
+}
+
+#ifdef MERSENNE_TWISTER
+// Source code for Mersenne Twister.
+// A Random number generator with much higher quality random numbers.
+
+#define N (624) // length of _mt_state vector
+#define M (397) // a period parameter
+#define K (0x9908B0DFU) // a magic constant
+#define hiBit(u) ((u) & 0x80000000U) // mask all but highest bit of u
+#define loBit(u) ((u) & 0x00000001U) // mask all but lowest bit of u
+#define loBits(u) ((u) & 0x7FFFFFFFU) // mask the highest bit of u
+#define mixBits(u, v) (hiBit(u)|loBits(v)) // move hi bit of u to hi bit of v
+
+static uint32 _mt_state[N+1]; // _mt_state vector + 1 extra to not violate ANSI C
+static uint32 *_mt_next; // _mt_next random value is computed from here
+static int _mt_left = -1; // can *_mt_next++ this many times before reloading
+
+void SetRandomSeed(register uint32 seed)
+{
+ register uint32 *s = _mt_state;
+ _mt_left = 0;
+
+ seed |= 1U;
+ seed &= 0xFFFFFFFFU;
+
+ *s = seed;
+
+ for (register uint i = N; i != 0; i--) {
+ seed *= 69069U;
+ *s++;
+ *s = seed & 0xFFFFFFFFU;
+ }
+}
+
+static uint32 ReloadRandom()
+{
+ if (_mt_left < -1) SetRandomSeed(4357U);
+
+ _mt_left = N - 1;
+ _mt_next = _mt_state + 1;
+
+ register uint32 *p0 = _mt_state;
+ register uint32 *p2 = _mt_state + 2;
+ register uint32 *pM = _mt_state + M;
+
+ register uint32 s0 = _mt_state[0];
+ register uint32 s1 = _mt_state[1];
+
+ register uint i = 0;
+
+ for (i = (N - M + 1); i != 0; i--) {
+ s0 = s1;
+ s1 = *p2;
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ *p0++;
+ *p2++;
+ *pM++;
+ }
+
+ pM = _mt_state;
+
+ for (i = M; i != 0; i--) {
+ s0 = s1;
+ s1 = *p2;
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ *p0++;
+ *p2++;
+ *pM++;
+ }
+
+ s1 = _mt_state[0];
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+
+ s1 ^= (s1 >> 11);
+ s1 ^= (s1 << 7) & 0x9D2C5680U;
+ s1 ^= (s1 << 15) & 0xEFC60000U;
+ s1 ^= (s1 >> 18);
+ return s1;
+}
+
+uint32 Random()
+{
+ _mt_left--;
+ if (_mt_left < 0) return ReloadRandom();
+
+ uint32 y = *_mt_next;
+ *_mt_next++;
+
+ y ^= (y >> 11);
+ y ^= (y << 7) & 0x9D2C5680U;
+ y ^= (y << 15) & 0xEFC60000U;
+ y ^= (y >> 18);
+ return y;
+}
+
+#else /* MERSENNE_TWISTER */
+void SetRandomSeed(uint32 seed)
+{
+ _random_seeds[0][0] = seed;
+ _random_seeds[0][1] = seed;
+ _random_seeds[1][0] = seed * 0x1234567;
+ _random_seeds[1][1] = _random_seeds[1][0];
+}
+
+#ifdef RANDOM_DEBUG
+#include "network/network_data.h"
+uint32 DoRandom(int line, const char *file)
+{
+ if (_networking && (DEREF_CLIENT(0)->status != STATUS_INACTIVE || !_network_server))
+ printf("Random [%d/%d] %s:%d\n",_frame_counter, (byte)_current_player, file, line);
+#else /* RANDOM_DEBUG */
+uint32 Random()
+{
+#endif /* RANDOM_DEBUG */
+ const uint32 s = _random_seeds[0][0];
+ const uint32 t = _random_seeds[0][1];
+
+ _random_seeds[0][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+ return _random_seeds[0][1] = ROR(s, 3) - 1;
+}
+#endif /* MERSENNE_TWISTER */
+
+#if defined(RANDOM_DEBUG) && !defined(MERSENNE_TWISTER)
+uint DoRandomRange(uint max, int line, const char *file)
+{
+ return GB(DoRandom(line, file), 0, 16) * max >> 16;
+}
+#else /* RANDOM_DEBUG & !MERSENNE_TWISTER */
+uint RandomRange(uint max)
+{
+ return GB(Random(), 0, 16) * max >> 16;
+}
+#endif /* RANDOM_DEBUG & !MERSENNE_TWISTER */
+/* $Id$ */
+
+/** @file random_func.cpp */
+
+#include "../stdafx.h"
+#include "../macros.h"
+#include "../variables.h"
+#include "random_func.hpp"
+
+uint32 InteractiveRandom()
+{
+ const uint32 s = _random_seeds[1][0];
+ const uint32 t = _random_seeds[1][1];
+
+ _random_seeds[1][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+ return _random_seeds[1][1] = ROR(s, 3) - 1;
+}
+
+uint InteractiveRandomRange(uint max)
+{
+ return GB(InteractiveRandom(), 0, 16) * max >> 16;
+}
+
+#ifdef MERSENNE_TWISTER
+// Source code for Mersenne Twister.
+// A Random number generator with much higher quality random numbers.
+
+#define N (624) // length of _mt_state vector
+#define M (397) // a period parameter
+#define K (0x9908B0DFU) // a magic constant
+#define hiBit(u) ((u) & 0x80000000U) // mask all but highest bit of u
+#define loBit(u) ((u) & 0x00000001U) // mask all but lowest bit of u
+#define loBits(u) ((u) & 0x7FFFFFFFU) // mask the highest bit of u
+#define mixBits(u, v) (hiBit(u)|loBits(v)) // move hi bit of u to hi bit of v
+
+static uint32 _mt_state[N+1]; // _mt_state vector + 1 extra to not violate ANSI C
+static uint32 *_mt_next; // _mt_next random value is computed from here
+static int _mt_left = -1; // can *_mt_next++ this many times before reloading
+
+void SetRandomSeed(register uint32 seed)
+{
+ register uint32 *s = _mt_state;
+ _mt_left = 0;
+
+ seed |= 1U;
+ seed &= 0xFFFFFFFFU;
+
+ *s = seed;
+
+ for (register uint i = N; i != 0; i--) {
+ seed *= 69069U;
+ *s++;
+ *s = seed & 0xFFFFFFFFU;
+ }
+}
+
+static uint32 ReloadRandom()
+{
+ if (_mt_left < -1) SetRandomSeed(4357U);
+
+ _mt_left = N - 1;
+ _mt_next = _mt_state + 1;
+
+ register uint32 *p0 = _mt_state;
+ register uint32 *p2 = _mt_state + 2;
+ register uint32 *pM = _mt_state + M;
+
+ register uint32 s0 = _mt_state[0];
+ register uint32 s1 = _mt_state[1];
+
+ register uint i = 0;
+
+ for (i = (N - M + 1); i != 0; i--) {
+ s0 = s1;
+ s1 = *p2;
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ *p0++;
+ *p2++;
+ *pM++;
+ }
+
+ pM = _mt_state;
+
+ for (i = M; i != 0; i--) {
+ s0 = s1;
+ s1 = *p2;
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ *p0++;
+ *p2++;
+ *pM++;
+ }
+
+ s1 = _mt_state[0];
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+
+ s1 ^= (s1 >> 11);
+ s1 ^= (s1 << 7) & 0x9D2C5680U;
+ s1 ^= (s1 << 15) & 0xEFC60000U;
+ s1 ^= (s1 >> 18);
+ return s1;
+}
+
+uint32 Random()
+{
+ _mt_left--;
+ if (_mt_left < 0) return ReloadRandom();
+
+ uint32 y = *_mt_next;
+ *_mt_next++;
+
+ y ^= (y >> 11);
+ y ^= (y << 7) & 0x9D2C5680U;
+ y ^= (y << 15) & 0xEFC60000U;
+ y ^= (y >> 18);
+ return y;
+}
+
+#else /* MERSENNE_TWISTER */
+void SetRandomSeed(uint32 seed)
+{
+ _random_seeds[0][0] = seed;
+ _random_seeds[0][1] = seed;
+ _random_seeds[1][0] = seed * 0x1234567;
+ _random_seeds[1][1] = _random_seeds[1][0];
+}
+
+#ifdef RANDOM_DEBUG
+#include "network/network_data.h"
+uint32 DoRandom(int line, const char *file)
+{
+ if (_networking && (DEREF_CLIENT(0)->status != STATUS_INACTIVE || !_network_server))
+ printf("Random [%d/%d] %s:%d\n",_frame_counter, (byte)_current_player, file, line);
+#else /* RANDOM_DEBUG */
+uint32 Random()
+{
+#endif /* RANDOM_DEBUG */
+ const uint32 s = _random_seeds[0][0];
+ const uint32 t = _random_seeds[0][1];
+
+ _random_seeds[0][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+ return _random_seeds[0][1] = ROR(s, 3) - 1;
+}
+#endif /* MERSENNE_TWISTER */
+
+#if defined(RANDOM_DEBUG) && !defined(MERSENNE_TWISTER)
+uint DoRandomRange(uint max, int line, const char *file)
+{
+ return GB(DoRandom(line, file), 0, 16) * max >> 16;
+}
+#else /* RANDOM_DEBUG & !MERSENNE_TWISTER */
+uint RandomRange(uint max)
+{
+ return GB(Random(), 0, 16) * max >> 16;
+}
+#endif /* RANDOM_DEBUG & !MERSENNE_TWISTER */
+/* $Id$ */
+
+/** @file random_func.cpp */
+
+#include "../stdafx.h"
+#include "../macros.h"
+#include "../variables.h"
+#include "random_func.hpp"
+
+uint32 InteractiveRandom()
+{
+ const uint32 s = _random_seeds[1][0];
+ const uint32 t = _random_seeds[1][1];
+
+ _random_seeds[1][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+ return _random_seeds[1][1] = ROR(s, 3) - 1;
+}
+
+uint InteractiveRandomRange(uint max)
+{
+ return GB(InteractiveRandom(), 0, 16) * max >> 16;
+}
+
+#ifdef MERSENNE_TWISTER
+// Source code for Mersenne Twister.
+// A Random number generator with much higher quality random numbers.
+
+#define N (624) // length of _mt_state vector
+#define M (397) // a period parameter
+#define K (0x9908B0DFU) // a magic constant
+#define hiBit(u) ((u) & 0x80000000U) // mask all but highest bit of u
+#define loBit(u) ((u) & 0x00000001U) // mask all but lowest bit of u
+#define loBits(u) ((u) & 0x7FFFFFFFU) // mask the highest bit of u
+#define mixBits(u, v) (hiBit(u)|loBits(v)) // move hi bit of u to hi bit of v
+
+static uint32 _mt_state[N+1]; // _mt_state vector + 1 extra to not violate ANSI C
+static uint32 *_mt_next; // _mt_next random value is computed from here
+static int _mt_left = -1; // can *_mt_next++ this many times before reloading
+
+void SetRandomSeed(register uint32 seed)
+{
+ register uint32 *s = _mt_state;
+ _mt_left = 0;
+
+ seed |= 1U;
+ seed &= 0xFFFFFFFFU;
+
+ *s = seed;
+
+ for (register uint i = N; i != 0; i--) {
+ seed *= 69069U;
+ *s++;
+ *s = seed & 0xFFFFFFFFU;
+ }
+}
+
+static uint32 ReloadRandom()
+{
+ if (_mt_left < -1) SetRandomSeed(4357U);
+
+ _mt_left = N - 1;
+ _mt_next = _mt_state + 1;
+
+ register uint32 *p0 = _mt_state;
+ register uint32 *p2 = _mt_state + 2;
+ register uint32 *pM = _mt_state + M;
+
+ register uint32 s0 = _mt_state[0];
+ register uint32 s1 = _mt_state[1];
+
+ register uint i = 0;
+
+ for (i = (N - M + 1); i != 0; i--) {
+ s0 = s1;
+ s1 = *p2;
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ *p0++;
+ *p2++;
+ *pM++;
+ }
+
+ pM = _mt_state;
+
+ for (i = M; i != 0; i--) {
+ s0 = s1;
+ s1 = *p2;
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+ *p0++;
+ *p2++;
+ *pM++;
+ }
+
+ s1 = _mt_state[0];
+ *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
+
+ s1 ^= (s1 >> 11);
+ s1 ^= (s1 << 7) & 0x9D2C5680U;
+ s1 ^= (s1 << 15) & 0xEFC60000U;
+ s1 ^= (s1 >> 18);
+ return s1;
+}
+
+uint32 Random()
+{
+ _mt_left--;
+ if (_mt_left < 0) return ReloadRandom();
+
+ uint32 y = *_mt_next;
+ *_mt_next++;
+
+ y ^= (y >> 11);
+ y ^= (y << 7) & 0x9D2C5680U;
+ y ^= (y << 15) & 0xEFC60000U;
+ y ^= (y >> 18);
+ return y;
+}
+
+#else /* MERSENNE_TWISTER */
+void SetRandomSeed(uint32 seed)
+{
+ _random_seeds[0][0] = seed;
+ _random_seeds[0][1] = seed;
+ _random_seeds[1][0] = seed * 0x1234567;
+ _random_seeds[1][1] = _random_seeds[1][0];
+}
+
+#ifdef RANDOM_DEBUG
+#include "network/network_data.h"
+uint32 DoRandom(int line, const char *file)
+{
+ if (_networking && (DEREF_CLIENT(0)->status != STATUS_INACTIVE || !_network_server))
+ printf("Random [%d/%d] %s:%d\n",_frame_counter, (byte)_current_player, file, line);
+#else /* RANDOM_DEBUG */
+uint32 Random()
+{
+#endif /* RANDOM_DEBUG */
+ const uint32 s = _random_seeds[0][0];
+ const uint32 t = _random_seeds[0][1];
+
+ _random_seeds[0][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
+ return _random_seeds[0][1] = ROR(s, 3) - 1;
+}
+#endif /* MERSENNE_TWISTER */
+
+#if defined(RANDOM_DEBUG) && !defined(MERSENNE_TWISTER)
+uint DoRandomRange(uint max, int line, const char *file)
+{
+ return GB(DoRandom(line, file), 0, 16) * max >> 16;
+}
+#else /* RANDOM_DEBUG & !MERSENNE_TWISTER */
+uint RandomRange(uint max)
+{
+ return GB(Random(), 0, 16) * max >> 16;
+}
+#endif /* RANDOM_DEBUG & !MERSENNE_TWISTER */
diff --git a/src/core/random_func.hpp b/src/core/random_func.hpp
new file mode 100644
index 000000000..2169c11fb
--- /dev/null
+++ b/src/core/random_func.hpp
@@ -0,0 +1,234 @@
+/* $Id$ */
+
+/** @file random_func.h */
+
+#ifndef RANDOM_FUNC_HPP
+#define RANDOM_FUNC_HPP
+
+/**************
+ * Warning: DO NOT enable this unless you understand what it does
+ *
+ * If enabled, in a network game all randoms will be dumped to the
+ * stdout if the first client joins (or if you are a client). This
+ * is to help finding desync problems.
+ *
+ * Warning: DO NOT enable this unless you understand what it does
+ **************/
+
+//#define RANDOM_DEBUG
+
+
+// Enable this to produce higher quality random numbers.
+// Doesn't work with network yet.
+// #define MERSENNE_TWISTER
+
+void SetRandomSeed(uint32 seed);
+#ifdef RANDOM_DEBUG
+ #define Random() DoRandom(__LINE__, __FILE__)
+ uint32 DoRandom(int line, const char *file);
+ #define RandomRange(max) DoRandomRange(max, __LINE__, __FILE__)
+ uint DoRandomRange(uint max, int line, const char *file);
+#else
+ uint32 Random();
+ uint RandomRange(uint max);
+#endif
+
+uint32 InteractiveRandom(); // Used for random sequences that are not the same on the other end of the multiplayer link
+uint InteractiveRandomRange(uint max);
+
+#endif /* RANDOM_FUNC_HPP */
+/* $Id$ */
+
+/** @file random_func.h */
+
+#ifndef RANDOM_FUNC_HPP
+#define RANDOM_FUNC_HPP
+
+/**************
+ * Warning: DO NOT enable this unless you understand what it does
+ *
+ * If enabled, in a network game all randoms will be dumped to the
+ * stdout if the first client joins (or if you are a client). This
+ * is to help finding desync problems.
+ *
+ * Warning: DO NOT enable this unless you understand what it does
+ **************/
+
+//#define RANDOM_DEBUG
+
+
+// Enable this to produce higher quality random numbers.
+// Doesn't work with network yet.
+// #define MERSENNE_TWISTER
+
+void SetRandomSeed(uint32 seed);
+#ifdef RANDOM_DEBUG
+ #define Random() DoRandom(__LINE__, __FILE__)
+ uint32 DoRandom(int line, const char *file);
+ #define RandomRange(max) DoRandomRange(max, __LINE__, __FILE__)
+ uint DoRandomRange(uint max, int line, const char *file);
+#else
+ uint32 Random();
+ uint RandomRange(uint max);
+#endif
+
+uint32 InteractiveRandom(); // Used for random sequences that are not the same on the other end of the multiplayer link
+uint InteractiveRandomRange(uint max);
+
+#endif /* RANDOM_FUNC_HPP */
+/* $Id$ */
+
+/** @file random_func.h */
+
+#ifndef RANDOM_FUNC_HPP
+#define RANDOM_FUNC_HPP
+
+/**************
+ * Warning: DO NOT enable this unless you understand what it does
+ *
+ * If enabled, in a network game all randoms will be dumped to the
+ * stdout if the first client joins (or if you are a client). This
+ * is to help finding desync problems.
+ *
+ * Warning: DO NOT enable this unless you understand what it does
+ **************/
+
+//#define RANDOM_DEBUG
+
+
+// Enable this to produce higher quality random numbers.
+// Doesn't work with network yet.
+// #define MERSENNE_TWISTER
+
+void SetRandomSeed(uint32 seed);
+#ifdef RANDOM_DEBUG
+ #define Random() DoRandom(__LINE__, __FILE__)
+ uint32 DoRandom(int line, const char *file);
+ #define RandomRange(max) DoRandomRange(max, __LINE__, __FILE__)
+ uint DoRandomRange(uint max, int line, const char *file);
+#else
+ uint32 Random();
+ uint RandomRange(uint max);
+#endif
+
+uint32 InteractiveRandom(); // Used for random sequences that are not the same on the other end of the multiplayer link
+uint InteractiveRandomRange(uint max);
+
+#endif /* RANDOM_FUNC_HPP */
+/* $Id$ */
+
+/** @file random_func.h */
+
+#ifndef RANDOM_FUNC_HPP
+#define RANDOM_FUNC_HPP
+
+/**************
+ * Warning: DO NOT enable this unless you understand what it does
+ *
+ * If enabled, in a network game all randoms will be dumped to the
+ * stdout if the first client joins (or if you are a client). This
+ * is to help finding desync problems.
+ *
+ * Warning: DO NOT enable this unless you understand what it does
+ **************/
+
+//#define RANDOM_DEBUG
+
+
+// Enable this to produce higher quality random numbers.
+// Doesn't work with network yet.
+// #define MERSENNE_TWISTER
+
+void SetRandomSeed(uint32 seed);
+#ifdef RANDOM_DEBUG
+ #define Random() DoRandom(__LINE__, __FILE__)
+ uint32 DoRandom(int line, const char *file);
+ #define RandomRange(max) DoRandomRange(max, __LINE__, __FILE__)
+ uint DoRandomRange(uint max, int line, const char *file);
+#else
+ uint32 Random();
+ uint RandomRange(uint max);
+#endif
+
+uint32 InteractiveRandom(); // Used for random sequences that are not the same on the other end of the multiplayer link
+uint InteractiveRandomRange(uint max);
+
+#endif /* RANDOM_FUNC_HPP */
+/* $Id$ */
+
+/** @file random_func.h */
+
+#ifndef RANDOM_FUNC_HPP
+#define RANDOM_FUNC_HPP
+
+/**************
+ * Warning: DO NOT enable this unless you understand what it does
+ *
+ * If enabled, in a network game all randoms will be dumped to the
+ * stdout if the first client joins (or if you are a client). This
+ * is to help finding desync problems.
+ *
+ * Warning: DO NOT enable this unless you understand what it does
+ **************/
+
+//#define RANDOM_DEBUG
+
+
+// Enable this to produce higher quality random numbers.
+// Doesn't work with network yet.
+// #define MERSENNE_TWISTER
+
+void SetRandomSeed(uint32 seed);
+#ifdef RANDOM_DEBUG
+ #define Random() DoRandom(__LINE__, __FILE__)
+ uint32 DoRandom(int line, const char *file);
+ #define RandomRange(max) DoRandomRange(max, __LINE__, __FILE__)
+ uint DoRandomRange(uint max, int line, const char *file);
+#else
+ uint32 Random();
+ uint RandomRange(uint max);
+#endif
+
+uint32 InteractiveRandom(); // Used for random sequences that are not the same on the other end of the multiplayer link
+uint InteractiveRandomRange(uint max);
+
+#endif /* RANDOM_FUNC_HPP */
+/* $Id$ */
+
+/** @file random_func.h */
+
+#ifndef RANDOM_FUNC_HPP
+#define RANDOM_FUNC_HPP
+
+/**************
+ * Warning: DO NOT enable this unless you understand what it does
+ *
+ * If enabled, in a network game all randoms will be dumped to the
+ * stdout if the first client joins (or if you are a client). This
+ * is to help finding desync problems.
+ *
+ * Warning: DO NOT enable this unless you understand what it does
+ **************/
+
+//#define RANDOM_DEBUG
+
+
+// Enable this to produce higher quality random numbers.
+// Doesn't work with network yet.
+// #define MERSENNE_TWISTER
+
+void SetRandomSeed(uint32 seed);
+#ifdef RANDOM_DEBUG
+ #define Random() DoRandom(__LINE__, __FILE__)
+ uint32 DoRandom(int line, const char *file);
+ #define RandomRange(max) DoRandomRange(max, __LINE__, __FILE__)
+ uint DoRandomRange(uint max, int line, const char *file);
+#else
+ uint32 Random();
+ uint RandomRange(uint max);
+#endif
+
+uint32 InteractiveRandom(); // Used for random sequences that are not the same on the other end of the multiplayer link
+uint InteractiveRandomRange(uint max);
+
+#endif /* RANDOM_FUNC_HPP */
diff --git a/src/functions.h b/src/functions.h
index ec680e7e8..191ad7708 100644
--- a/src/functions.h
+++ b/src/functions.h
@@ -7,6 +7,7 @@
#include "gfx.h"
#include "viewport.h"
+#include "core/random_func.hpp"
void UpdateTownMaxPass(Town *t);
@@ -32,52 +33,9 @@ void ShowInfo(const char *str);
void CDECL ShowInfoF(const char *str, ...);
/* openttd.cpp */
-
-/**************
- * Warning: DO NOT enable this unless you understand what it does
- *
- * If enabled, in a network game all randoms will be dumped to the
- * stdout if the first client joins (or if you are a client). This
- * is to help finding desync problems.
- *
- * Warning: DO NOT enable this unless you understand what it does
- **************/
-
-//#define RANDOM_DEBUG
-
-
-// Enable this to produce higher quality random numbers.
-// Doesn't work with network yet.
-//#define MERSENNE_TWISTER
-
-// Mersenne twister functions
-void SeedMT(uint32 seed);
-uint32 RandomMT();
-
-
-#ifdef MERSENNE_TWISTER
- static inline uint32 Random() { return RandomMT(); }
- uint RandomRange(uint max);
-#else
-
-#ifdef RANDOM_DEBUG
- #define Random() DoRandom(__LINE__, __FILE__)
- uint32 DoRandom(int line, const char *file);
- #define RandomRange(max) DoRandomRange(max, __LINE__, __FILE__)
- uint DoRandomRange(uint max, int line, const char *file);
-#else
- uint32 Random();
- uint RandomRange(uint max);
-#endif
-#endif // MERSENNE_TWISTER
-
static inline TileIndex RandomTileSeed(uint32 r) { return TILE_MASK(r); }
static inline TileIndex RandomTile() { return TILE_MASK(Random()); }
-
-uint32 InteractiveRandom(); // Used for random sequences that are not the same on the other end of the multiplayer link
-uint InteractiveRandomRange(uint max);
-
/* texteff.cpp */
void AddAnimatedTile(TileIndex tile);
void DeleteAnimatedTile(TileIndex tile);
diff --git a/src/mersenne.cpp b/src/mersenne.cpp
deleted file mode 100644
index 70a443149..000000000
--- a/src/mersenne.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-/* $Id$ */
-
-/** @file mersenne.cpp */
-
-#include "stdafx.h"
-#include "openttd.h"
-
-#ifdef MERSENNE_TWISTER
-
-// Source code for Mersenne Twister.
-// A Random number generator with much higher quality random numbers.
-
-#define N (624) // length of _mt_state vector
-#define M (397) // a period parameter
-#define K (0x9908B0DFU) // a magic constant
-#define hiBit(u) ((u) & 0x80000000U) // mask all but highest bit of u
-#define loBit(u) ((u) & 0x00000001U) // mask all but lowest bit of u
-#define loBits(u) ((u) & 0x7FFFFFFFU) // mask the highest bit of u
-#define mixBits(u, v) (hiBit(u)|loBits(v)) // move hi bit of u to hi bit of v
-
-static uint32 _mt_state[N+1]; // _mt_state vector + 1 extra to not violate ANSI C
-static uint32 *_mt_next; // _mt_next random value is computed from here
-static int _mt_left = -1; // can *_mt_next++ this many times before reloading
-
-void SeedMT(uint32 seed)
-{
- register uint32 x = (seed | 1U) & 0xFFFFFFFFU, *s = _mt_state;
- register int j;
-
- for (_mt_left=0, *s++=x, j=N; --j;
- *s++ = (x*=69069U) & 0xFFFFFFFFU);
- }
-
-
-static uint32 ReloadMT()
- {
- register uint32 *p0=_mt_state, *p2=_mt_state+2, *pM=_mt_state+M, s0, s1;
- register int j;
-
- if (_mt_left < -1)
- SeedMT(4357U);
-
- _mt_left=N-1, _mt_next=_mt_state+1;
-
- for (s0=_mt_state[0], s1=_mt_state[1], j=N-M+1; --j; s0=s1, s1=*p2++)
- *p0++ = *pM++ ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
-
- for (pM=_mt_state, j=M; --j; s0=s1, s1=*p2++)
- *p0++ = *pM++ ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
-
- s1=_mt_state[0], *p0 = *pM ^ (mixBits(s0, s1) >> 1) ^ (loBit(s1) ? K : 0U);
- s1 ^= (s1 >> 11);
- s1 ^= (s1 << 7) & 0x9D2C5680U;
- s1 ^= (s1 << 15) & 0xEFC60000U;
- return(s1 ^ (s1 >> 18));
- }
-
-
-uint32 RandomMT()
-{
- uint32 y;
-
- if (--_mt_left < 0)
- return ReloadMT();
-
- y = *_mt_next++;
- y ^= (y >> 11);
- y ^= (y << 7) & 0x9D2C5680U;
- y ^= (y << 15) & 0xEFC60000U;
- return y ^ (y >> 18);
-}
-#else
-
-void SeedMT(uint32 seed) {}
-
-#endif /* MERSENNE_TWISTER */
diff --git a/src/misc.cpp b/src/misc.cpp
index 10fd76ecf..52cd764e8 100644
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -27,57 +27,6 @@
char _name_array[512][32];
-#ifndef MERSENNE_TWISTER
-
-#ifdef RANDOM_DEBUG
-#include "network/network_data.h"
-uint32 DoRandom(int line, const char *file)
-#else // RANDOM_DEBUG
-uint32 Random()
-#endif // RANDOM_DEBUG
-{
-
-uint32 s;
-uint32 t;
-
-#ifdef RANDOM_DEBUG
- if (_networking && (DEREF_CLIENT(0)->status != STATUS_INACTIVE || !_network_server))
- printf("Random [%d/%d] %s:%d\n",_frame_counter, (byte)_current_player, file, line);
-#endif
-
- s = _random_seeds[0][0];
- t = _random_seeds[0][1];
- _random_seeds[0][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
- return _random_seeds[0][1] = ROR(s, 3) - 1;
-}
-#endif // MERSENNE_TWISTER
-
-#if defined(RANDOM_DEBUG) && !defined(MERSENNE_TWISTER)
-uint DoRandomRange(uint max, int line, const char *file)
-{
- return GB(DoRandom(line, file), 0, 16) * max >> 16;
-}
-#else
-uint RandomRange(uint max)
-{
- return GB(Random(), 0, 16) * max >> 16;
-}
-#endif
-
-
-uint32 InteractiveRandom()
-{
- uint32 t = _random_seeds[1][1];
- uint32 s = _random_seeds[1][0];
- _random_seeds[1][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
- return _random_seeds[1][1] = ROR(s, 3) - 1;
-}
-
-uint InteractiveRandomRange(uint max)
-{
- return GB(InteractiveRandom(), 0, 16) * max >> 16;
-}
-
void InitializeVehicles();
void InitializeWaypoints();
void InitializeDepots();
diff --git a/src/os2.cpp b/src/os2.cpp
index 7f2626587..7ffccf09a 100644
--- a/src/os2.cpp
+++ b/src/os2.cpp
@@ -163,7 +163,7 @@ void ShowOSErrorBox(const char *buf)
int CDECL main(int argc, char* argv[])
{
- _random_seeds[1][1] = _random_seeds[1][0] = _random_seeds[0][1] = _random_seeds[0][0] = time(NULL);
+ SetRandomSeed(time(NULL));
return ttd_main(argc, argv);
}
diff --git a/src/unix.cpp b/src/unix.cpp
index 3933352e6..aa9a361eb 100644
--- a/src/unix.cpp
+++ b/src/unix.cpp
@@ -136,8 +136,7 @@ int CDECL main(int argc, char* argv[])
}
#endif
- _random_seeds[1][1] = _random_seeds[1][0] = _random_seeds[0][1] = _random_seeds[0][0] = time(NULL);
- SeedMT(_random_seeds[0][1]);
+ SetRandomSeed(time(NULL));
signal(SIGPIPE, SIG_IGN);
diff --git a/src/win32.cpp b/src/win32.cpp
index c0479f64a..e0298a0f8 100644
--- a/src/win32.cpp
+++ b/src/win32.cpp
@@ -971,9 +971,7 @@ int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLi
#endif
/* setup random seed to something quite random */
- _random_seeds[1][0] = _random_seeds[0][0] = GetTickCount();
- _random_seeds[1][1] = _random_seeds[0][1] = _random_seeds[0][0] * 0x1234567;
- SeedMT(_random_seeds[0][0]);
+ SetRandomSeed(GetTickCount());
argc = ParseCommandLine(cmdline, argv, lengthof(argv));
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-28 06:26:06 +0000