diff options
| -rw-r--r-- | src/landscape.cpp | 7 | ||||
| -rw-r--r-- | src/table/settings.ini | 4 |
2 files changed, 6 insertions, 5 deletions
diff --git a/src/landscape.cpp b/src/landscape.cpp index 4dda8fc11..a19c98db9 100644 --- a/src/landscape.cpp +++ b/src/landscape.cpp @@ -721,12 +721,13 @@ void RunTileLoop() * shift register (LFSR). This allows a deterministic pseudorandom ordering, but * still with minimal state and fast iteration. */ - /* Maximal length LFSR feedback terms, from 12-bit (for 64x64 maps) to 22-bit (for 2048x2048 maps). + /* Maximal length LFSR feedback terms, from 12-bit (for 64x64 maps) to 24-bit (for 4096x4096 maps). * Extracted from http://www.ece.cmu.edu/~koopman/lfsr/ */ static const uint32 feedbacks[] = { - 0xD8F, 0x1296, 0x2496, 0x4357, 0x8679, 0x1030E, 0x206CD, 0x403FE, 0x807B8, 0x1004B2, 0x2006A8 + 0xD8F, 0x1296, 0x2496, 0x4357, 0x8679, 0x1030E, 0x206CD, 0x403FE, 0x807B8, 0x1004B2, 0x2006A8, 0x4004B2, 0x800B87 }; - const uint32 feedback = feedbacks[MapLogX() + MapLogY() - 12]; + assert_compile(lengthof(feedbacks) == 2 * MAX_MAP_SIZE_BITS - 2 * MIN_MAP_SIZE_BITS + 1); + const uint32 feedback = feedbacks[MapLogX() + MapLogY() - 2 * MIN_MAP_SIZE_BITS]; /* We update every tile every 256 ticks, so divide the map size by 2^8 = 256 */ uint count = 1 << (MapLogX() + MapLogY() - 8); diff --git a/src/table/settings.ini b/src/table/settings.ini index 0b723a0ae..7c55ae9ef 100644 --- a/src/table/settings.ini +++ b/src/table/settings.ini @@ -480,7 +480,7 @@ from = 159 guiflags = SGF_NO_NETWORK def = 64 min = 1 -max = 2048 +max = MAX_MAP_SIZE interval = 1 str = STR_CONFIG_SETTING_MAX_BRIDGE_LENGTH strhelp = STR_CONFIG_SETTING_MAX_BRIDGE_LENGTH_HELPTEXT @@ -494,7 +494,7 @@ from = 159 guiflags = SGF_NO_NETWORK def = 64 min = 1 -max = 2048 +max = MAX_MAP_SIZE interval = 1 str = STR_CONFIG_SETTING_MAX_TUNNEL_LENGTH strhelp = STR_CONFIG_SETTING_MAX_TUNNEL_LENGTH_HELPTEXT |