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Also use custom sprite sorting for catenary pylons under bridges

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This commit is contained in:
Jonathan G Rennison 2024-02-09 01:30:17 +00:00
parent a484a5eb77
commit e1d629dba3
2 changed files with 8 additions and 3 deletions
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9
src/elrail.cpp
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@ -481,14 +481,19 @@ static void DrawRailCatenaryRailway(const TileInfo *ti)
* Remove those (simply by ANDing with allowed, since these markers are never allowed) */
if ((PPPallowed[i] & PPPpreferred[i]) != 0) PPPallowed[i] &= PPPpreferred[i];
ViewportSortableSpriteSpecialFlags special_flags = VSSF_NONE;
if (IsBridgeAbove(ti->tile)) {
Track bridgetrack = GetBridgeAxis(ti->tile) == AXIS_X ? TRACK_X : TRACK_Y;
int height = GetBridgeHeight(GetNorthernBridgeEnd(ti->tile));
if ((height <= GetTileMaxZ(ti->tile) + 1) &&
int max_z = GetTileMaxZ(ti->tile);
if ((height <= max_z + 1) &&
(i == PCPpositions[bridgetrack][0] || i == PCPpositions[bridgetrack][1])) {
SetBit(OverridePCP, i);
}
if (height <= max_z + 1) special_flags = VSSSF_SORT_SPECIAL | VSSSF_SORT_DIAG_VEH;
}
if (PPPallowed[i] != 0 && HasBit(PCPstatus, i) && !HasBit(OverridePCP, i) &&
@ -508,7 +513,7 @@ static void DrawRailCatenaryRailway(const TileInfo *ti)
}
AddSortableSpriteToDraw(pylon_base + pylon_sprites[temp], PAL_NONE, x, y, 1, 1, BB_HEIGHT_UNDER_BRIDGE,
elevation, IsTransparencySet(TO_CATENARY), -1, -1);
elevation, IsTransparencySet(TO_CATENARY), -1, -1, 0, nullptr, special_flags);
break; // We already have drawn a pylon, bail out
}

2
src/viewport_func.h
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@ -76,7 +76,7 @@ enum ViewportSortableSpriteSpecialFlags : uint8_t {
VSSF_NONE = 0,
VSSSF_SORT_SPECIAL = 0x80, ///< When sorting sprites, if both sprites have this set, special sorting rules apply
VSSSF_SORT_SPECIAL_TYPE_MASK = 1, ///< Mask to use for getting the special type
VSSSF_SORT_DIAG_VEH = 0, ///< This is a vehicle moving diagonally with respect to the tile axes
VSSSF_SORT_DIAG_VEH = 0, ///< This is a vehicle moving diagonally with respect to the tile axes (also used for catenary pylons on diagonal track under bridges for similar reasons)
VSSSF_SORT_SORT_BRIDGE_BB = 1, ///< This is a bridge BB helper sprite
};
DECLARE_ENUM_AS_BIT_SET(ViewportSortableSpriteSpecialFlags);