diff options
Diffstat (limited to 'scene/resources/tile_set.cpp')
| -rw-r--r-- | scene/resources/tile_set.cpp | 626 |
1 files changed, 626 insertions, 0 deletions
diff --git a/scene/resources/tile_set.cpp b/scene/resources/tile_set.cpp index a99102e847..66e1b7bcf9 100644 --- a/scene/resources/tile_set.cpp +++ b/scene/resources/tile_set.cpp @@ -1563,6 +1563,632 @@ void TileSet::draw_tile_shape(CanvasItem *p_canvas_item, Transform2D p_transform } } +Vector2 TileSet::map_to_local(const Vector2i &p_pos) const { + // SHOULD RETURN THE CENTER OF THE CELL. + Vector2 ret = p_pos; + + if (tile_shape == TileSet::TILE_SHAPE_HALF_OFFSET_SQUARE || tile_shape == TileSet::TILE_SHAPE_HEXAGON || tile_shape == TileSet::TILE_SHAPE_ISOMETRIC) { + // Technically, those 3 shapes are equivalent, as they are basically half-offset, but with different levels or overlap. + // square = no overlap, hexagon = 0.25 overlap, isometric = 0.5 overlap. + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL) { + switch (tile_layout) { + case TileSet::TILE_LAYOUT_STACKED: + ret = Vector2(ret.x + (Math::posmod(ret.y, 2) == 0 ? 0.0 : 0.5), ret.y); + break; + case TileSet::TILE_LAYOUT_STACKED_OFFSET: + ret = Vector2(ret.x + (Math::posmod(ret.y, 2) == 1 ? 0.0 : 0.5), ret.y); + break; + case TileSet::TILE_LAYOUT_STAIRS_RIGHT: + ret = Vector2(ret.x + ret.y / 2, ret.y); + break; + case TileSet::TILE_LAYOUT_STAIRS_DOWN: + ret = Vector2(ret.x / 2, ret.y * 2 + ret.x); + break; + case TileSet::TILE_LAYOUT_DIAMOND_RIGHT: + ret = Vector2((ret.x + ret.y) / 2, ret.y - ret.x); + break; + case TileSet::TILE_LAYOUT_DIAMOND_DOWN: + ret = Vector2((ret.x - ret.y) / 2, ret.y + ret.x); + break; + } + } else { // TILE_OFFSET_AXIS_VERTICAL. + switch (tile_layout) { + case TileSet::TILE_LAYOUT_STACKED: + ret = Vector2(ret.x, ret.y + (Math::posmod(ret.x, 2) == 0 ? 0.0 : 0.5)); + break; + case TileSet::TILE_LAYOUT_STACKED_OFFSET: + ret = Vector2(ret.x, ret.y + (Math::posmod(ret.x, 2) == 1 ? 0.0 : 0.5)); + break; + case TileSet::TILE_LAYOUT_STAIRS_RIGHT: + ret = Vector2(ret.x * 2 + ret.y, ret.y / 2); + break; + case TileSet::TILE_LAYOUT_STAIRS_DOWN: + ret = Vector2(ret.x, ret.y + ret.x / 2); + break; + case TileSet::TILE_LAYOUT_DIAMOND_RIGHT: + ret = Vector2(ret.x + ret.y, (ret.y - ret.x) / 2); + break; + case TileSet::TILE_LAYOUT_DIAMOND_DOWN: + ret = Vector2(ret.x - ret.y, (ret.y + ret.x) / 2); + break; + } + } + } + + // Multiply by the overlapping ratio. + double overlapping_ratio = 1.0; + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL) { + if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC) { + overlapping_ratio = 0.5; + } else if (tile_shape == TileSet::TILE_SHAPE_HEXAGON) { + overlapping_ratio = 0.75; + } + ret.y *= overlapping_ratio; + } else { // TILE_OFFSET_AXIS_VERTICAL. + if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC) { + overlapping_ratio = 0.5; + } else if (tile_shape == TileSet::TILE_SHAPE_HEXAGON) { + overlapping_ratio = 0.75; + } + ret.x *= overlapping_ratio; + } + + return (ret + Vector2(0.5, 0.5)) * tile_size; +} + +Vector2i TileSet::local_to_map(const Vector2 &p_local_position) const { + Vector2 ret = p_local_position; + ret /= tile_size; + + // Divide by the overlapping ratio. + double overlapping_ratio = 1.0; + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL) { + if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC) { + overlapping_ratio = 0.5; + } else if (tile_shape == TileSet::TILE_SHAPE_HEXAGON) { + overlapping_ratio = 0.75; + } + ret.y /= overlapping_ratio; + } else { // TILE_OFFSET_AXIS_VERTICAL. + if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC) { + overlapping_ratio = 0.5; + } else if (tile_shape == TileSet::TILE_SHAPE_HEXAGON) { + overlapping_ratio = 0.75; + } + ret.x /= overlapping_ratio; + } + + // For each half-offset shape, we check if we are in the corner of the tile, and thus should correct the local position accordingly. + if (tile_shape == TileSet::TILE_SHAPE_HALF_OFFSET_SQUARE || tile_shape == TileSet::TILE_SHAPE_HEXAGON || tile_shape == TileSet::TILE_SHAPE_ISOMETRIC) { + // Technically, those 3 shapes are equivalent, as they are basically half-offset, but with different levels or overlap. + // square = no overlap, hexagon = 0.25 overlap, isometric = 0.5 overlap. + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL) { + // Smart floor of the position + Vector2 raw_pos = ret; + if (Math::posmod(Math::floor(ret.y), 2) ^ (tile_layout == TileSet::TILE_LAYOUT_STACKED_OFFSET)) { + ret = Vector2(Math::floor(ret.x + 0.5) - 0.5, Math::floor(ret.y)); + } else { + ret = ret.floor(); + } + + // Compute the tile offset, and if we might the output for a neighbor top tile. + Vector2 in_tile_pos = raw_pos - ret; + bool in_top_left_triangle = (in_tile_pos - Vector2(0.5, 0.0)).cross(Vector2(-0.5, 1.0 / overlapping_ratio - 1)) <= 0; + bool in_top_right_triangle = (in_tile_pos - Vector2(0.5, 0.0)).cross(Vector2(0.5, 1.0 / overlapping_ratio - 1)) > 0; + + switch (tile_layout) { + case TileSet::TILE_LAYOUT_STACKED: + ret = ret.floor(); + if (in_top_left_triangle) { + ret += Vector2i(Math::posmod(Math::floor(ret.y), 2) ? 0 : -1, -1); + } else if (in_top_right_triangle) { + ret += Vector2i(Math::posmod(Math::floor(ret.y), 2) ? 1 : 0, -1); + } + break; + case TileSet::TILE_LAYOUT_STACKED_OFFSET: + ret = ret.floor(); + if (in_top_left_triangle) { + ret += Vector2i(Math::posmod(Math::floor(ret.y), 2) ? -1 : 0, -1); + } else if (in_top_right_triangle) { + ret += Vector2i(Math::posmod(Math::floor(ret.y), 2) ? 0 : 1, -1); + } + break; + case TileSet::TILE_LAYOUT_STAIRS_RIGHT: + ret = Vector2(ret.x - ret.y / 2, ret.y).floor(); + if (in_top_left_triangle) { + ret += Vector2i(0, -1); + } else if (in_top_right_triangle) { + ret += Vector2i(1, -1); + } + break; + case TileSet::TILE_LAYOUT_STAIRS_DOWN: + ret = Vector2(ret.x * 2, ret.y / 2 - ret.x).floor(); + if (in_top_left_triangle) { + ret += Vector2i(-1, 0); + } else if (in_top_right_triangle) { + ret += Vector2i(1, -1); + } + break; + case TileSet::TILE_LAYOUT_DIAMOND_RIGHT: + ret = Vector2(ret.x - ret.y / 2, ret.y / 2 + ret.x).floor(); + if (in_top_left_triangle) { + ret += Vector2i(0, -1); + } else if (in_top_right_triangle) { + ret += Vector2i(1, 0); + } + break; + case TileSet::TILE_LAYOUT_DIAMOND_DOWN: + ret = Vector2(ret.x + ret.y / 2, ret.y / 2 - ret.x).floor(); + if (in_top_left_triangle) { + ret += Vector2i(-1, 0); + } else if (in_top_right_triangle) { + ret += Vector2i(0, -1); + } + break; + } + } else { // TILE_OFFSET_AXIS_VERTICAL. + // Smart floor of the position. + Vector2 raw_pos = ret; + if (Math::posmod(Math::floor(ret.x), 2) ^ (tile_layout == TileSet::TILE_LAYOUT_STACKED_OFFSET)) { + ret = Vector2(Math::floor(ret.x), Math::floor(ret.y + 0.5) - 0.5); + } else { + ret = ret.floor(); + } + + // Compute the tile offset, and if we might the output for a neighbor top tile. + Vector2 in_tile_pos = raw_pos - ret; + bool in_top_left_triangle = (in_tile_pos - Vector2(0.0, 0.5)).cross(Vector2(1.0 / overlapping_ratio - 1, -0.5)) > 0; + bool in_bottom_left_triangle = (in_tile_pos - Vector2(0.0, 0.5)).cross(Vector2(1.0 / overlapping_ratio - 1, 0.5)) <= 0; + + switch (tile_layout) { + case TileSet::TILE_LAYOUT_STACKED: + ret = ret.floor(); + if (in_top_left_triangle) { + ret += Vector2i(-1, Math::posmod(Math::floor(ret.x), 2) ? 0 : -1); + } else if (in_bottom_left_triangle) { + ret += Vector2i(-1, Math::posmod(Math::floor(ret.x), 2) ? 1 : 0); + } + break; + case TileSet::TILE_LAYOUT_STACKED_OFFSET: + ret = ret.floor(); + if (in_top_left_triangle) { + ret += Vector2i(-1, Math::posmod(Math::floor(ret.x), 2) ? -1 : 0); + } else if (in_bottom_left_triangle) { + ret += Vector2i(-1, Math::posmod(Math::floor(ret.x), 2) ? 0 : 1); + } + break; + case TileSet::TILE_LAYOUT_STAIRS_RIGHT: + ret = Vector2(ret.x / 2 - ret.y, ret.y * 2).floor(); + if (in_top_left_triangle) { + ret += Vector2i(0, -1); + } else if (in_bottom_left_triangle) { + ret += Vector2i(-1, 1); + } + break; + case TileSet::TILE_LAYOUT_STAIRS_DOWN: + ret = Vector2(ret.x, ret.y - ret.x / 2).floor(); + if (in_top_left_triangle) { + ret += Vector2i(-1, 0); + } else if (in_bottom_left_triangle) { + ret += Vector2i(-1, 1); + } + break; + case TileSet::TILE_LAYOUT_DIAMOND_RIGHT: + ret = Vector2(ret.x / 2 - ret.y, ret.y + ret.x / 2).floor(); + if (in_top_left_triangle) { + ret += Vector2i(0, -1); + } else if (in_bottom_left_triangle) { + ret += Vector2i(-1, 0); + } + break; + case TileSet::TILE_LAYOUT_DIAMOND_DOWN: + ret = Vector2(ret.x / 2 + ret.y, ret.y - ret.x / 2).floor(); + if (in_top_left_triangle) { + ret += Vector2i(-1, 0); + } else if (in_bottom_left_triangle) { + ret += Vector2i(0, 1); + } + break; + } + } + } else { + ret = (ret + Vector2(0.00005, 0.00005)).floor(); + } + return Vector2i(ret); +} + +bool TileSet::is_existing_neighbor(TileSet::CellNeighbor p_cell_neighbor) const { + if (tile_shape == TileSet::TILE_SHAPE_SQUARE) { + return p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_CORNER || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_CORNER || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_CORNER || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_CORNER; + + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC) { + return p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE; + } else { + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL) { + return p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE; + } else { + return p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_SIDE || + p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE; + } + } +} + +Vector2i TileSet::get_neighbor_cell(const Vector2i &p_coords, TileSet::CellNeighbor p_cell_neighbor) const { + if (tile_shape == TileSet::TILE_SHAPE_SQUARE) { + switch (p_cell_neighbor) { + case TileSet::CELL_NEIGHBOR_RIGHT_SIDE: + return p_coords + Vector2i(1, 0); + case TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_CORNER: + return p_coords + Vector2i(1, 1); + case TileSet::CELL_NEIGHBOR_BOTTOM_SIDE: + return p_coords + Vector2i(0, 1); + case TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_CORNER: + return p_coords + Vector2i(-1, 1); + case TileSet::CELL_NEIGHBOR_LEFT_SIDE: + return p_coords + Vector2i(-1, 0); + case TileSet::CELL_NEIGHBOR_TOP_LEFT_CORNER: + return p_coords + Vector2i(-1, -1); + case TileSet::CELL_NEIGHBOR_TOP_SIDE: + return p_coords + Vector2i(0, -1); + case TileSet::CELL_NEIGHBOR_TOP_RIGHT_CORNER: + return p_coords + Vector2i(1, -1); + default: + ERR_FAIL_V(p_coords); + } + } else { // Half-offset shapes (square and hexagon). + switch (tile_layout) { + case TileSet::TILE_LAYOUT_STACKED: { + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL) { + bool is_offset = p_coords.y % 2; + if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_SIDE)) { + return p_coords + Vector2i(1, 0); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE) { + return p_coords + Vector2i(is_offset ? 1 : 0, 1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER) { + return p_coords + Vector2i(0, 2); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE) { + return p_coords + Vector2i(is_offset ? 0 : -1, 1); + } else if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_SIDE)) { + return p_coords + Vector2i(-1, 0); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE) { + return p_coords + Vector2i(is_offset ? 0 : -1, -1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER) { + return p_coords + Vector2i(0, -2); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE) { + return p_coords + Vector2i(is_offset ? 1 : 0, -1); + } else { + ERR_FAIL_V(p_coords); + } + } else { + bool is_offset = p_coords.x % 2; + + if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_SIDE)) { + return p_coords + Vector2i(0, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE) { + return p_coords + Vector2i(1, is_offset ? 1 : 0); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER) { + return p_coords + Vector2i(2, 0); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE) { + return p_coords + Vector2i(1, is_offset ? 0 : -1); + } else if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_SIDE)) { + return p_coords + Vector2i(0, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE) { + return p_coords + Vector2i(-1, is_offset ? 0 : -1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER) { + return p_coords + Vector2i(-2, 0); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE) { + return p_coords + Vector2i(-1, is_offset ? 1 : 0); + } else { + ERR_FAIL_V(p_coords); + } + } + } break; + case TileSet::TILE_LAYOUT_STACKED_OFFSET: { + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL) { + bool is_offset = p_coords.y % 2; + + if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_SIDE)) { + return p_coords + Vector2i(1, 0); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE) { + return p_coords + Vector2i(is_offset ? 0 : 1, 1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER) { + return p_coords + Vector2i(0, 2); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE) { + return p_coords + Vector2i(is_offset ? -1 : 0, 1); + } else if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_SIDE)) { + return p_coords + Vector2i(-1, 0); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE) { + return p_coords + Vector2i(is_offset ? -1 : 0, -1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER) { + return p_coords + Vector2i(0, -2); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE) { + return p_coords + Vector2i(is_offset ? 0 : 1, -1); + } else { + ERR_FAIL_V(p_coords); + } + } else { + bool is_offset = p_coords.x % 2; + + if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_SIDE)) { + return p_coords + Vector2i(0, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE) { + return p_coords + Vector2i(1, is_offset ? 0 : 1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER) { + return p_coords + Vector2i(2, 0); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE) { + return p_coords + Vector2i(1, is_offset ? -1 : 0); + } else if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_SIDE)) { + return p_coords + Vector2i(0, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE) { + return p_coords + Vector2i(-1, is_offset ? -1 : 0); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER) { + return p_coords + Vector2i(-2, 0); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE) { + return p_coords + Vector2i(-1, is_offset ? 0 : 1); + } else { + ERR_FAIL_V(p_coords); + } + } + } break; + case TileSet::TILE_LAYOUT_STAIRS_RIGHT: + case TileSet::TILE_LAYOUT_STAIRS_DOWN: { + if ((tile_layout == TileSet::TILE_LAYOUT_STAIRS_RIGHT) ^ (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_VERTICAL)) { + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL) { + if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_SIDE)) { + return p_coords + Vector2i(1, 0); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE) { + return p_coords + Vector2i(0, 1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER) { + return p_coords + Vector2i(-1, 2); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE) { + return p_coords + Vector2i(-1, 1); + } else if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_SIDE)) { + return p_coords + Vector2i(-1, 0); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE) { + return p_coords + Vector2i(0, -1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER) { + return p_coords + Vector2i(1, -2); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE) { + return p_coords + Vector2i(1, -1); + } else { + ERR_FAIL_V(p_coords); + } + + } else { + if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_SIDE)) { + return p_coords + Vector2i(0, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE) { + return p_coords + Vector2i(1, 0); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER) { + return p_coords + Vector2i(2, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE) { + return p_coords + Vector2i(1, -1); + } else if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_SIDE)) { + return p_coords + Vector2i(0, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE) { + return p_coords + Vector2i(-1, 0); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER) { + return p_coords + Vector2i(-2, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE) { + return p_coords + Vector2i(-1, 1); + } else { + ERR_FAIL_V(p_coords); + } + } + } else { + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL) { + if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_SIDE)) { + return p_coords + Vector2i(2, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE) { + return p_coords + Vector2i(1, 0); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER) { + return p_coords + Vector2i(0, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE) { + return p_coords + Vector2i(-1, 1); + } else if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_SIDE)) { + return p_coords + Vector2i(-2, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE) { + return p_coords + Vector2i(-1, 0); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER) { + return p_coords + Vector2i(0, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE) { + return p_coords + Vector2i(1, -1); + } else { + ERR_FAIL_V(p_coords); + } + + } else { + if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_SIDE)) { + return p_coords + Vector2i(-1, 2); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE) { + return p_coords + Vector2i(0, 1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER) { + return p_coords + Vector2i(1, 0); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE) { + return p_coords + Vector2i(1, -1); + } else if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_SIDE)) { + return p_coords + Vector2i(1, -2); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE) { + return p_coords + Vector2i(0, -1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER) { + return p_coords + Vector2i(-1, 0); + + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE) { + return p_coords + Vector2i(-1, 1); + } else { + ERR_FAIL_V(p_coords); + } + } + } + } break; + case TileSet::TILE_LAYOUT_DIAMOND_RIGHT: + case TileSet::TILE_LAYOUT_DIAMOND_DOWN: { + if ((tile_layout == TileSet::TILE_LAYOUT_DIAMOND_RIGHT) ^ (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_VERTICAL)) { + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL) { + if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_SIDE)) { + return p_coords + Vector2i(1, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE) { + return p_coords + Vector2i(0, 1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER) { + return p_coords + Vector2i(-1, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE) { + return p_coords + Vector2i(-1, 0); + } else if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_SIDE)) { + return p_coords + Vector2i(-1, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE) { + return p_coords + Vector2i(0, -1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER) { + return p_coords + Vector2i(1, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE) { + return p_coords + Vector2i(1, 0); + } else { + ERR_FAIL_V(p_coords); + } + + } else { + if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_SIDE)) { + return p_coords + Vector2i(1, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE) { + return p_coords + Vector2i(1, 0); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER) { + return p_coords + Vector2i(1, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE) { + return p_coords + Vector2i(0, -1); + } else if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_SIDE)) { + return p_coords + Vector2i(-1, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE) { + return p_coords + Vector2i(-1, 0); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER) { + return p_coords + Vector2i(-1, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE) { + return p_coords + Vector2i(0, 1); + } else { + ERR_FAIL_V(p_coords); + } + } + } else { + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL) { + if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_SIDE)) { + return p_coords + Vector2i(1, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE) { + return p_coords + Vector2i(1, 0); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER) { + return p_coords + Vector2i(1, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE) { + return p_coords + Vector2i(0, 1); + } else if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_SIDE)) { + return p_coords + Vector2i(-1, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE) { + return p_coords + Vector2i(-1, 0); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER) { + return p_coords + Vector2i(-1, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE) { + return p_coords + Vector2i(0, -1); + } else { + ERR_FAIL_V(p_coords); + } + + } else { + if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_SIDE)) { + return p_coords + Vector2i(-1, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE) { + return p_coords + Vector2i(0, 1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_RIGHT_CORNER) { + return p_coords + Vector2i(1, 1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_RIGHT_SIDE) { + return p_coords + Vector2i(1, 0); + } else if ((tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_CORNER) || + (tile_shape != TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_SIDE)) { + return p_coords + Vector2i(1, -1); + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_TOP_LEFT_SIDE) { + return p_coords + Vector2i(0, -1); + } else if (tile_shape == TileSet::TILE_SHAPE_ISOMETRIC && p_cell_neighbor == TileSet::CELL_NEIGHBOR_LEFT_CORNER) { + return p_coords + Vector2i(-1, -1); + + } else if (p_cell_neighbor == TileSet::CELL_NEIGHBOR_BOTTOM_LEFT_SIDE) { + return p_coords + Vector2i(-1, 0); + } else { + ERR_FAIL_V(p_coords); + } + } + } + } break; + default: + ERR_FAIL_V(p_coords); + } + } +} + +Vector2i TileSet::map_pattern(const Vector2i &p_position_in_tilemap, const Vector2i &p_coords_in_pattern, Ref<TileMapPattern> p_pattern) { + ERR_FAIL_COND_V(p_pattern.is_null(), Vector2i()); + ERR_FAIL_COND_V(!p_pattern->has_cell(p_coords_in_pattern), Vector2i()); + + Vector2i output = p_position_in_tilemap + p_coords_in_pattern; + if (tile_shape != TileSet::TILE_SHAPE_SQUARE) { + if (tile_layout == TileSet::TILE_LAYOUT_STACKED) { + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL && bool(p_position_in_tilemap.y % 2) && bool(p_coords_in_pattern.y % 2)) { + output.x += 1; + } else if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_VERTICAL && bool(p_position_in_tilemap.x % 2) && bool(p_coords_in_pattern.x % 2)) { + output.y += 1; + } + } else if (tile_layout == TileSet::TILE_LAYOUT_STACKED_OFFSET) { + if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_HORIZONTAL && bool(p_position_in_tilemap.y % 2) && bool(p_coords_in_pattern.y % 2)) { + output.x -= 1; + } else if (tile_offset_axis == TileSet::TILE_OFFSET_AXIS_VERTICAL && bool(p_position_in_tilemap.x % 2) && bool(p_coords_in_pattern.x % 2)) { + output.y -= 1; + } + } + } + + return output; +} + Vector<Point2> TileSet::get_terrain_polygon(int p_terrain_set) { if (tile_shape == TileSet::TILE_SHAPE_SQUARE) { return _get_square_terrain_polygon(tile_size); 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