static void DrawClearLandFence(const TileInfo *ti)
{
/* combine fences into one sprite object */
StartSpriteCombine();
int maxz = GetSlopeMaxPixelZ(ti->tileh);
bool fence_nw = GetFenceNW(ti->tile) != 0;
if (fence_nw) {
int z = GetSlopePixelZInCorner(ti->tileh, CORNER_W);
SpriteID sprite = _clear_land_fence_sprites[GetFenceNW(ti->tile) - 1] + _fence_mod_by_tileh_nw[ti->tileh];
AddSortableSpriteToDraw(sprite, PAL_NONE, ti->x, ti->y - 15, 16, 31, maxz - z + 4, ti->z + z, false, 0, 15, -z);
}
bool fence_ne = GetFenceNE(ti->tile) != 0;
if (fence_ne) {
int z = GetSlopePixelZInCorner(ti->tileh, CORNER_E);
SpriteID sprite = _clear_land_fence_sprites[GetFenceNE(ti->tile) - 1] + _fence_mod_by_tileh_ne[ti->tileh];
AddSortableSpriteToDraw(sprite, PAL_NONE, ti->x - 15, ti->y, 31, 16, maxz - z + 4, ti->z + z, false, 15, 0, -z);
}
bool fence_sw = GetFenceSW(ti->tile) != 0;
bool fence_se = GetFenceSE(ti->tile) != 0;
if (fence_sw || fence_se) {
int z = GetSlopePixelZInCorner(ti->tileh, CORNER_S);
if (fence_sw) {
SpriteID sprite = _clear_land_fence_sprites[GetFenceSW(ti->tile) - 1] + _fence_mod_by_tileh_sw[ti->tileh];
AddSortableSpriteToDraw(sprite, PAL_NONE, ti->x, ti->y, 16, 16, maxz - z + 4, ti->z + z, false, 0, 0, -z);
}
if (fence_se) {
SpriteID sprite = _clear_land_fence_sprites[GetFenceSE(ti->tile) - 1] + _fence_mod_by_tileh_se[ti->tileh];
AddSortableSpriteToDraw(sprite, PAL_NONE, ti->x, ti->y, 16, 16, maxz - z + 4, ti->z + z, false, 0, 0, -z);
}
}
EndSpriteCombine();
}
static void DrawClearLandFence(const TileInfo *ti)
{
/* combine fences into one sprite object */
StartSpriteCombine();
int maxz = GetSlopeMaxPixelZ(ti->tileh);
uint fence_nw = GetFence(ti->tile, DIAGDIR_NW);
if (fence_nw != 0) {
int z = GetSlopePixelZInCorner(ti->tileh, CORNER_W);
SpriteID sprite = _clear_land_fence_sprites[fence_nw - 1] + _fence_mod_by_tileh_nw[ti->tileh];
AddSortableSpriteToDraw(sprite, PAL_NONE, ti->x, ti->y - 15, 16, 31, maxz - z + 4, ti->z + z, false, 0, 15, -z);
}
uint fence_ne = GetFence(ti->tile, DIAGDIR_NE);
if (fence_ne != 0) {
int z = GetSlopePixelZInCorner(ti->tileh, CORNER_E);
SpriteID sprite = _clear_land_fence_sprites[fence_ne - 1] + _fence_mod_by_tileh_ne[ti->tileh];
AddSortableSpriteToDraw(sprite, PAL_NONE, ti->x - 15, ti->y, 31, 16, maxz - z + 4, ti->z + z, false, 15, 0, -z);
}
uint fence_sw = GetFence(ti->tile, DIAGDIR_SW);
uint fence_se = GetFence(ti->tile, DIAGDIR_SE);
if (fence_sw != 0 || fence_se != 0) {
int z = GetSlopePixelZInCorner(ti->tileh, CORNER_S);
if (fence_sw != 0) {
SpriteID sprite = _clear_land_fence_sprites[fence_sw - 1] + _fence_mod_by_tileh_sw[ti->tileh];
AddSortableSpriteToDraw(sprite, PAL_NONE, ti->x, ti->y, 16, 16, maxz - z + 4, ti->z + z, false, 0, 0, -z);
}
if (fence_se != 0) {
SpriteID sprite = _clear_land_fence_sprites[fence_se - 1] + _fence_mod_by_tileh_se[ti->tileh];
AddSortableSpriteToDraw(sprite, PAL_NONE, ti->x, ti->y, 16, 16, maxz - z + 4, ti->z + z, false, 0, 0, -z);
}
}
EndSpriteCombine();
}
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();
}
