/**
* Draw representation of a station tile for GUI purposes.
* @param x Position x of image.
* @param y Position y of image.
* @param axis Axis.
* @param railtype Rail type.
* @param sclass, station Type of station.
* @param station station ID
* @return True if the tile was drawn (allows for fallback to default graphic)
*/
bool DrawStationTile(int x, int y, RailType railtype, Axis axis, StationClassID sclass, uint station)
{
const DrawTileSprites *sprites = NULL;
const RailtypeInfo *rti = GetRailTypeInfo(railtype);
PaletteID palette = COMPANY_SPRITE_COLOUR(_local_company);
uint tile = 2;
const StationSpec *statspec = StationClass::Get(sclass)->GetSpec(station);
if (statspec == NULL) return false;
if (HasBit(statspec->callback_mask, CBM_STATION_SPRITE_LAYOUT)) {
uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0x2110000, 0, statspec, NULL, INVALID_TILE);
if (callback != CALLBACK_FAILED) tile = callback;
}
uint32 total_offset = rti->GetRailtypeSpriteOffset();
uint32 relocation = 0;
uint32 ground_relocation = 0;
const NewGRFSpriteLayout *layout = NULL;
DrawTileSprites tmp_rail_layout;
if (statspec->renderdata == NULL) {
sprites = GetStationTileLayout(STATION_RAIL, tile + axis);
} else {
layout = &statspec->renderdata[(tile < statspec->tiles) ? tile + axis : (uint)axis];
if (!layout->NeedsPreprocessing()) {
sprites = layout;
layout = NULL;
}
}
if (layout != NULL) {
/* Sprite layout which needs preprocessing */
bool separate_ground = HasBit(statspec->flags, SSF_SEPARATE_GROUND);
uint32 var10_values = layout->PrepareLayout(total_offset, rti->fallback_railtype, 0, 0, separate_ground);
uint8 var10;
FOR_EACH_SET_BIT(var10, var10_values) {
uint32 var10_relocation = GetCustomStationRelocation(statspec, NULL, INVALID_TILE, var10);
layout->ProcessRegisters(var10, var10_relocation, separate_ground);
}
/**
* Draw representation of a station tile for GUI purposes.
* @param x Position x of image.
* @param y Position y of image.
* @param axis Axis.
* @param railtype Rail type.
* @param sclass, station Type of station.
* @param station station ID
* @return True if the tile was drawn (allows for fallback to default graphic)
*/
bool DrawStationTile(int x, int y, RailType railtype, Axis axis, StationClassID sclass, uint station)
{
const StationSpec *statspec;
const DrawTileSprites *sprites;
const RailtypeInfo *rti = GetRailTypeInfo(railtype);
PaletteID palette = COMPANY_SPRITE_COLOUR(_local_company);
uint tile = 2;
statspec = StationClass::Get(sclass, station);
if (statspec == NULL) return false;
uint relocation = GetCustomStationRelocation(statspec, NULL, INVALID_TILE);
if (HasBit(statspec->callback_mask, CBM_STATION_SPRITE_LAYOUT)) {
uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0x2110000, 0, statspec, NULL, INVALID_TILE);
if (callback != CALLBACK_FAILED) tile = callback;
}
if (statspec->renderdata == NULL) {
sprites = GetStationTileLayout(STATION_RAIL, tile + axis);
} else {
sprites = &statspec->renderdata[(tile < statspec->tiles) ? tile + axis : (uint)axis];
}
SpriteID image = sprites->ground.sprite;
PaletteID pal = sprites->ground.pal;
if (HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE)) {
image += GetCustomStationGroundRelocation(statspec, NULL, INVALID_TILE);
image += rti->custom_ground_offset;
} else {
image += rti->total_offset;
}
DrawSprite(image, GroundSpritePaletteTransform(image, pal, palette), x, y);
DrawRailTileSeqInGUI(x, y, sprites, rti->total_offset, relocation, palette);
return true;
}