diff options
Diffstat (limited to 'src/newgrf_commons.cpp')
| -rw-r--r-- | src/newgrf_commons.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/newgrf_commons.cpp b/src/newgrf_commons.cpp index cf8683498..f5be80d3b 100644 --- a/src/newgrf_commons.cpp +++ b/src/newgrf_commons.cpp @@ -19,6 +19,7 @@ #include "newgrf_commons.h" #include "station_map.h" #include "tree_map.h" +#include "viewport_func.h" #include "core/mem_func.hpp" /** Constructor of generic class @@ -322,3 +323,42 @@ uint32 GetNearbyTileInformation(TileIndex tile) byte terrain_type = GetTerrainType(tile) << 2 | (tile_type == MP_WATER ? 1 : 0) << 1; return tile_type << 24 | z << 16 | terrain_type << 8 | tileh; } + +/** + * Draws a building including all subsprites on a tile. + * @param ti The tile to draw on + * @param dts Sprite and subsprites to draw + * @param to The transparancy bit that toggles drawing of these sprites + * @param stage The construction stage (0-3) + * @param default_palette The default recolour sprite to use (typically company colour resp. random industry/house colour) + */ +void DrawTileSeq(const TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, byte stage, SpriteID default_palette) +{ + const DrawTileSeqStruct *dtss; + foreach_draw_tile_seq(dtss, dts->seq) { + if (GB(dtss->image.sprite, 0, SPRITE_WIDTH) == 0) continue; + + SpriteID image = dtss->image.sprite; + SpriteID pal = dtss->image.pal; + + /* Stop drawing sprite sequence once we meet a sprite that doesn't have to be opaque */ + if (IsInvisibilitySet(to) && !HasBit(image, SPRITE_MODIFIER_OPAQUE)) return; + + if (IS_CUSTOM_SPRITE(image)) image += stage; + + pal = SpriteLayoutPaletteTransform(image, pal, default_palette); + + if ((byte)dtss->delta_z != 0x80) { + AddSortableSpriteToDraw( + image, pal, + ti->x + dtss->delta_x, ti->y + dtss->delta_y, + dtss->size_x, dtss->size_y, + dtss->size_z, ti->z + dtss->delta_z, + !HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(to) + ); + } else { + /* For industries and houses delta_x and delta_y are unsigned */ + AddChildSpriteScreen(image, pal, (byte)dtss->delta_x, (byte)dtss->delta_y, !HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(to)); + } + } +} |