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Add a waypoint ground draw flag to NewGRF road stops

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Adjust overlay draw conditions
This commit is contained in:
Jonathan G Rennison
2022-02-24 18:19:57 +00:00
parent 5109083564
commit ad046bdf22
4 changed files with 15 additions and 6 deletions
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1
docs/newgrf-roadstops.html
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@@ -91,6 +91,7 @@
<tr><th>Bit</th><th>Value</th><th>Meaning</th></tr>
<tr><td>0</td><td>1</td><td>Bay stops: Draw road type ground sprite</td></tr>
<tr><td>1</td><td>2</td><td>Drive through stops: Draw road/tram type overlays</td></tr>
<tr><td>4</td><td>4</td><td>Road waypoints: Draw sprite layout ground sprite on top of the underlying road (by default the sprite layout ground sprite is not used)</td></tr>
</table>
The default value is 3 (bits 0 and 1 both set).
</p>

5
src/newgrf_roadstop.cpp
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@@ -275,6 +275,9 @@ void DrawRoadStopTile(int x, int y, RoadType roadtype, const RoadStopSpec *spec,
if (type == STATION_ROADWAYPOINT) {
DrawSprite(SPR_ROAD_PAVED_STRAIGHT_X, PAL_NONE, x, y);
if ((spec->draw_mode & ROADSTOP_DRAW_MODE_WAYP_GROUND) && GB(image, 0, SPRITE_WIDTH) != 0) {
DrawSprite(image, GroundSpritePaletteTransform(image, pal, palette), x, y);
}
} else if (GB(image, 0, SPRITE_WIDTH) != 0) {
DrawSprite(image, GroundSpritePaletteTransform(image, pal, palette), x, y);
}
@@ -284,7 +287,7 @@ void DrawRoadStopTile(int x, int y, RoadType roadtype, const RoadStopSpec *spec,
uint sprite_offset = 5 - view;
/* Road underlay takes precedence over tram */
if (spec->draw_mode & ROADSTOP_DRAW_MODE_OVERLAY) {
if (type == STATION_ROADWAYPOINT || spec->draw_mode & ROADSTOP_DRAW_MODE_OVERLAY) {
if (rti->UsesOverlay()) {
SpriteID ground = GetCustomRoadSprite(rti, INVALID_TILE, ROTSG_GROUND);
DrawSprite(ground + sprite_offset, PAL_NONE, x, y);

5
src/newgrf_roadstop.h
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@@ -57,8 +57,9 @@ enum RoadStopAvailabilityType : byte {
*/
enum RoadStopDrawMode : byte {
ROADSTOP_DRAW_MODE_NONE = 0,
ROADSTOP_DRAW_MODE_ROAD = 1 << 0, ///< 0b01, Draw the road itself
ROADSTOP_DRAW_MODE_OVERLAY = 1 << 1, ///< 0b10, Draw the road overlay for roadstops, e.g. pavement
ROADSTOP_DRAW_MODE_ROAD = 1 << 0, ///< Bay stops: Draw the road itself
ROADSTOP_DRAW_MODE_OVERLAY = 1 << 1, ///< Drive-through stops: Draw the road overlay, e.g. pavement
ROADSTOP_DRAW_MODE_WAYP_GROUND = 1 << 2, ///< Waypoints: Draw the sprite layout ground tile (on top of the road)
};
DECLARE_ENUM_AS_BIT_SET(RoadStopDrawMode)

8
src/station_cmd.cpp
View File

@@ -3503,16 +3503,20 @@ draw_default_foundation:
Axis axis = GetRoadStopDir(ti->tile) == DIAGDIR_NE ? AXIS_X : AXIS_Y;
DiagDirection dir = GetRoadStopDir(ti->tile);
StationType type = GetStationType(ti->tile);
const RoadStopSpec *stopspec = GetRoadStopSpec(ti->tile);
if (stopspec != nullptr) {
int view = dir;
if (IsDriveThroughStopTile(ti->tile)) view += 4;
st = BaseStation::GetByTile(ti->tile);
RoadStopResolverObject object(stopspec, st, ti->tile, INVALID_ROADTYPE, GetStationType(ti->tile), view);
RoadStopResolverObject object(stopspec, st, ti->tile, INVALID_ROADTYPE, type, view);
const SpriteGroup *group = object.Resolve();
const DrawTileSprites *dts = ((const TileLayoutSpriteGroup *)group)->ProcessRegisters(nullptr);
t = dts;
if (type == STATION_ROADWAYPOINT && (stopspec->draw_mode & ROADSTOP_DRAW_MODE_WAYP_GROUND)) {
draw_ground = true;
}
}
/* Draw ground sprite */
@@ -3525,7 +3529,7 @@ draw_default_foundation:
}
if (IsDriveThroughStopTile(ti->tile)) {
if (stopspec == nullptr || (stopspec->draw_mode & ROADSTOP_DRAW_MODE_OVERLAY) != 0) {
if (type != STATION_ROADWAYPOINT && (stopspec == nullptr || (stopspec->draw_mode & ROADSTOP_DRAW_MODE_OVERLAY) != 0)) {
uint sprite_offset = axis == AXIS_X ? 1 : 0;
DrawRoadOverlays(ti, PAL_NONE, road_rti, tram_rti, sprite_offset, sprite_offset);
}