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Improve display of non-overlay horizontal dual track types

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Jonathan G Rennison 2019-01-04 11:51:16 +00:00
parent 873a58454d
commit 7f73c36686
1 changed files with 18 additions and 5 deletions
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23
src/rail_cmd.cpp
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@ -2562,6 +2562,12 @@ static const SubSprite _halftile_sub_sprite[4] = {
{ -31 + 33, -INF , INF , INF }, // CORNER_E, clip 33 pixels from left
{ -INF , -INF , INF , 30 - 23 } // CORNER_N, clip 23 pixels from bottom
};
static const SubSprite _dual_track_halftile_sub_sprite[4] = {
{ -INF , -INF , 32 - 33, INF }, // CORNER_W, clip 33 pixels from right
{ -INF , 0 + 15, INF , INF }, // CORNER_S, clip 15 pixels from top
{ -31 + 33, -INF , INF , INF }, // CORNER_E, clip 33 pixels from left
{ -INF , -INF , INF , 30 - 15 } // CORNER_N, clip 15 pixels from bottom
};
static inline void DrawTrackSprite(SpriteID sprite, PaletteID pal, const TileInfo *ti, Slope s)
{
@ -2578,8 +2584,6 @@ static RailGroundType GetRailOrBridgeGroundType(TileInfo *ti) {
static void DrawTrackBitsOverlay(TileInfo *ti, TrackBits track, const RailtypeInfo *rti, RailGroundType rgt, bool is_bridge, Corner halftile_corner, Corner draw_half_tile)
{
const SubSprite *sub = NULL;
if (draw_half_tile != CORNER_INVALID) sub = &(_halftile_sub_sprite[draw_half_tile]);
if (halftile_corner != CORNER_INVALID) track &= ~CornerToTrackBits(halftile_corner);
if (halftile_corner != CORNER_INVALID || draw_half_tile == CORNER_INVALID) {
@ -2603,6 +2607,8 @@ static void DrawTrackBitsOverlay(TileInfo *ti, TrackBits track, const RailtypeIn
image += SlopeToSpriteOffset(ti->tileh);
const SubSprite *sub = NULL;
if (draw_half_tile != CORNER_INVALID) sub = &(_halftile_sub_sprite[draw_half_tile]);
DrawGroundSprite(image, PAL_NONE, sub);
}
}
@ -2738,9 +2744,16 @@ void DrawTrackBits(TileInfo *ti, TrackBits track, RailType rt, RailGroundType rg
const SubSprite *sub = NULL;
bool junction = false;
if (halftile_corner != CORNER_INVALID) track &= ~CornerToTrackBits(halftile_corner);
if (draw_half_tile != CORNER_INVALID) sub = &(_halftile_sub_sprite[draw_half_tile]);
if (halftile_corner != CORNER_INVALID) {
track &= ~CornerToTrackBits(halftile_corner);
if (draw_half_tile != CORNER_INVALID) {
sub = &(_halftile_sub_sprite[draw_half_tile]);
}
} else {
if (draw_half_tile != CORNER_INVALID) {
sub = &(_dual_track_halftile_sub_sprite[draw_half_tile]);
}
}
/* Select the sprite to use. */
if (track == 0 && draw_half_tile != CORNER_INVALID) {