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Add: Slope-aware and roadtype-specific one-way sprites. (#10282)

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This commit is contained in:
Francis Herne
2022-12-26 21:06:21 +01:00
committed by GitHub
parent 7a18631291
commit 6caed5f15e
7 changed files with 46 additions and 11 deletions
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10
src/newgrf.cpp
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@@ -6274,9 +6274,17 @@ static void GraphicsNew(ByteReader *buf)
if (offset <= depot_no_track_offset && offset + num > depot_no_track_offset) _loaded_newgrf_features.tram = TRAMWAY_REPLACE_DEPOT_NO_TRACK;
}
/* If the baseset or grf only provides sprites for flat tiles (pre #10282), duplicate those for use on slopes. */
bool dup_oneway_sprites = ((type == 0x09) && (offset + num <= SPR_ONEWAY_SLOPE_N_OFFSET));
for (; num > 0; num--) {
_cur.nfo_line++;
LoadNextSprite(replace == 0 ? _cur.spriteid++ : replace++, *_cur.file, _cur.nfo_line);
int load_index = (replace == 0 ? _cur.spriteid++ : replace++);
LoadNextSprite(load_index, *_cur.file, _cur.nfo_line);
if (dup_oneway_sprites) {
DupSprite(load_index, load_index + SPR_ONEWAY_SLOPE_N_OFFSET);
DupSprite(load_index, load_index + SPR_ONEWAY_SLOPE_S_OFFSET);
}
}
_cur.skip_sprites = skip_num;

1
src/road.h
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@@ -66,6 +66,7 @@ enum RoadTypeSpriteGroup {
ROTSG_DEPOT, ///< Optional: Depot images
ROTSG_reserved3, ///< Placeholder, if we add road fences (for highways).
ROTSG_ROADSTOP, ///< Required: Drive-in stop surface
ROTSG_ONEWAY, ///< Optional: One-way indicator images
ROTSG_END,
};

12
src/road_cmd.cpp
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@@ -1606,7 +1606,17 @@ static void DrawRoadBits(TileInfo *ti)
if (road_rti != nullptr) {
DisallowedRoadDirections drd = GetDisallowedRoadDirections(ti->tile);
if (drd != DRD_NONE) {
DrawGroundSpriteAt(SPR_ONEWAY_BASE + drd - 1 + ((road == ROAD_X) ? 0 : 3), PAL_NONE, 8, 8, GetPartialPixelZ(8, 8, ti->tileh));
SpriteID oneway = GetCustomRoadSprite(road_rti, ti->tile, ROTSG_ONEWAY);
if (oneway == 0) oneway = SPR_ONEWAY_BASE;
if ((ti->tileh == SLOPE_NE) || (ti->tileh == SLOPE_NW)) {
oneway += SPR_ONEWAY_SLOPE_N_OFFSET;
} else if ((ti->tileh == SLOPE_SE) || (ti->tileh == SLOPE_SW)) {
oneway += SPR_ONEWAY_SLOPE_S_OFFSET;
}
DrawGroundSpriteAt(oneway + drd - 1 + ((road == ROAD_X) ? 0 : 3), PAL_NONE, 8, 8, GetPartialPixelZ(8, 8, ti->tileh));
}
}

6
src/table/sprites.h
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@@ -290,8 +290,10 @@ static const SpriteID SPR_TRAMWAY_DEPOT_NO_TRACK = SPR_TRAMWAY_BASE + 113;
static const uint16 TRAMWAY_SPRITE_COUNT = 119;
/** One way road sprites */
static const SpriteID SPR_ONEWAY_BASE = SPR_TRAMWAY_BASE + TRAMWAY_SPRITE_COUNT;
static const uint16 ONEWAY_SPRITE_COUNT = 6;
static const SpriteID SPR_ONEWAY_BASE = SPR_TRAMWAY_BASE + TRAMWAY_SPRITE_COUNT;
static const SpriteID SPR_ONEWAY_SLOPE_N_OFFSET = 6;
static const SpriteID SPR_ONEWAY_SLOPE_S_OFFSET = 12;
static const uint16 ONEWAY_SPRITE_COUNT = 18;
/** Tunnel sprites with grass only for custom railtype tunnel. */
static const SpriteID SPR_RAILTYPE_TUNNEL_BASE = SPR_ONEWAY_BASE + ONEWAY_SPRITE_COUNT;