static void DrawTile_Clear(TileInfo *ti)
{
switch (GetClearGround(ti->tile)) {
case CLEAR_GRASS:
DrawClearLandTile(ti, GetClearDensity(ti->tile));
break;
case CLEAR_ROUGH:
DrawHillyLandTile(ti);
break;
case CLEAR_ROCKS:
DrawGroundSprite((HasGrfMiscBit(GMB_SECOND_ROCKY_TILE_SET) && (TileHash(ti->x, ti->y) & 1) ? SPR_FLAT_ROCKY_LAND_2 : SPR_FLAT_ROCKY_LAND_1) + SlopeToSpriteOffset(ti->tileh), PAL_NONE);
break;
case CLEAR_FIELDS:
DrawGroundSprite(_clear_land_sprites_farmland[GetFieldType(ti->tile)] + SlopeToSpriteOffset(ti->tileh), PAL_NONE);
DrawClearLandFence(ti);
break;
case CLEAR_SNOW:
case CLEAR_DESERT:
DrawGroundSprite(_clear_land_sprites_snow_desert[GetClearDensity(ti->tile)] + SlopeToSpriteOffset(ti->tileh), PAL_NONE);
break;
}
DrawBridgeMiddle(ti);
}
void DrawHillyLandTile(const TileInfo *ti)
{
if (ti->tileh != SLOPE_FLAT) {
DrawGroundSprite(SPR_FLAT_ROUGH_LAND + SlopeToSpriteOffset(ti->tileh), PAL_NONE);
} else {
DrawGroundSprite(_landscape_clear_sprites_rough[GB(TileHash(ti->x, ti->y), 0, 3)], PAL_NONE);
}
}
static void DrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *group, byte stage, HouseID house_id)
{
const DrawTileSprites *dts = group->ProcessRegisters(&stage);
const HouseSpec *hs = HouseSpec::Get(house_id);
PaletteID palette = hs->random_colour[TileHash2Bit(ti->x, ti->y)] + PALETTE_RECOLOUR_START;
if (HasBit(hs->callback_mask, CBM_HOUSE_COLOUR)) {
uint16 callback = GetHouseCallback(CBID_HOUSE_COLOUR, 0, 0, house_id, Town::GetByTile(ti->tile), ti->tile);
if (callback != CALLBACK_FAILED) {
/* If bit 14 is set, we should use a 2cc colour map, else use the callback value. */
palette = HasBit(callback, 14) ? GB(callback, 0, 8) + SPR_2CCMAP_BASE : callback;
}
}
SpriteID image = dts->ground.sprite;
PaletteID pal = dts->ground.pal;
if (HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE)) image += stage;
if (HasBit(pal, SPRITE_MODIFIER_CUSTOM_SPRITE)) pal += stage;
if (GB(image, 0, SPRITE_WIDTH) != 0) {
DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette));
}
DrawNewGRFTileSeq(ti, dts, TO_HOUSES, stage, palette);
}
static void DrawTile_Void(TileInfo *ti)
{
DrawGroundSprite(SPR_SHADOW_CELL, PAL_NONE);
}
void DrawClearLandTile(const TileInfo *ti, byte set)
{
DrawGroundSprite(SPR_FLAT_BARE_LAND + SlopeToSpriteOffset(ti->tileh) + set * 19, PAL_NONE);
}
static void DrawTile_Void(TileInfo *ti)
{
DrawGroundSprite(SPR_FLAT_BARE_LAND + SlopeToSpriteOffset(ti->tileh), PALETTE_ALL_BLACK);
}
static void DrawTile_Trees(TileInfo *ti)
{
switch (GetTreeGround(ti->tile)) {
case TREE_GROUND_SHORE: DrawShoreTile(ti->tileh); break;
case TREE_GROUND_GRASS: DrawClearLandTile(ti, GetTreeDensity(ti->tile)); break;
case TREE_GROUND_ROUGH: DrawHillyLandTile(ti); break;
default: DrawGroundSprite(_clear_land_sprites_snow_desert[GetTreeDensity(ti->tile)] + SlopeToSpriteOffset(ti->tileh), PAL_NONE); break;
}
DrawClearLandFence(ti);
/* Do not draw trees when the invisible trees setting is set */
if (IsInvisibilitySet(TO_TREES)) return;
uint tmp = CountBits(ti->tile + ti->x + ti->y);
uint index = GB(tmp, 0, 2) + (GetTreeType(ti->tile) << 2);
/* different tree styles above one of the grounds */
if ((GetTreeGround(ti->tile) == TREE_GROUND_SNOW_DESERT || GetTreeGround(ti->tile) == TREE_GROUND_ROUGH_SNOW) &&
GetTreeDensity(ti->tile) >= 2 &&
IsInsideMM(index, TREE_SUB_ARCTIC << 2, TREE_RAINFOREST << 2)) {
index += 164 - (TREE_SUB_ARCTIC << 2);
}
assert(index < lengthof(_tree_layout_sprite));
const PalSpriteID *s = _tree_layout_sprite[index];
const TreePos *d = _tree_layout_xy[GB(tmp, 2, 2)];
/* combine trees into one sprite object */
StartSpriteCombine();
TreeListEnt te[4];
/* put the trees to draw in a list */
uint trees = GetTreeCount(ti->tile);
for (uint i = 0; i < trees; i++) {
SpriteID sprite = s[0].sprite + (i == trees - 1 ? GetTreeGrowth(ti->tile) : 3);
PaletteID pal = s[0].pal;
te[i].sprite = sprite;
te[i].pal = pal;
te[i].x = d->x;
te[i].y = d->y;
s++;
d++;
}
/* draw them in a sorted way */
byte z = ti->z + GetSlopeMaxZ(ti->tileh) / 2;
for (; trees > 0; trees--) {
uint min = te[0].x + te[0].y;
uint mi = 0;
for (uint i = 1; i < trees; i++) {
if ((uint)(te[i].x + te[i].y) < min) {
min = te[i].x + te[i].y;
mi = i;
}
}
AddSortableSpriteToDraw(te[mi].sprite, te[mi].pal, ti->x + te[mi].x, ti->y + te[mi].y, 16 - te[mi].x, 16 - te[mi].y, 0x30, z, IsTransparencySet(TO_TREES), -te[mi].x, -te[mi].y);
/* replace the removed one with the last one */
te[mi] = te[trees - 1];
}
EndSpriteCombine();
}