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Core/Maps: restored a hack in gridmap liquid status code to solve precision issues (#29544)

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Port From (https://github.com/TrinityCore/TrinityCore/commit/bfb9fd8a2c777651c99568ba9c6a2d4a3a468955)
This commit is contained in:
hondacrx
2024-02-05 13:37:54 -05:00
parent 3deec204bf
commit 34457719bc
1 changed files with 4 additions and 2 deletions
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Source/Game/Maps/GridMap.cs
+4 -2
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@@ -513,6 +513,8 @@ namespace Game.Maps
return _liquidMap[cx_int * _liquidWidth + cy_int];
}
static float GROUND_LEVEL_OFFSET_HACK = 0.02f; // due to floating point precision issues, we have to resort to a small hack to fix inconsistencies in liquids
// Get water state on map
public ZLiquidStatus GetLiquidStatus(float x, float y, float z, LiquidHeaderTypeFlags? reqLiquidType, LiquidData data, float collisionHeight)
{
@@ -577,11 +579,11 @@ namespace Game.Maps
// Get water level
float liquid_level = _liquidMap != null ? _liquidMap[lx_int * _liquidWidth + ly_int] : _liquidLevel;
// Get ground level (sub 0.2 for fix some errors)
// Get ground level (sub 0.02 for fix some errors)
float ground_level = GetHeight(x, y);
// Check water level and ground level
if (liquid_level < ground_level || z < ground_level)
if (liquid_level < (ground_level - GROUND_LEVEL_OFFSET_HACK) || z < (ground_level - GROUND_LEVEL_OFFSET_HACK))
return ZLiquidStatus.NoWater;
// All ok in water . store data