C++ (Cpp) SetClearGroundDensity Examples

Example #1

File: clear_cmd.cpp Project: deep-42-thought/openttd

static void TileLoopClearDesert(TileIndex tile)
{
	/* Current desert level - 0 if it is not desert */
	uint current = 0;
	if (IsClearGround(tile, CLEAR_DESERT)) current = GetClearDensity(tile);

	/* Expected desert level - 0 if it shouldn't be desert */
	uint expected = 0;
	if (GetTropicZone(tile) == TROPICZONE_DESERT) {
		expected = 3;
	} else if (NeighbourIsDesert(tile)) {
		expected = 1;
	}

	if (current == expected) return;

	if (expected == 0) {
		SetClearGroundDensity(tile, CLEAR_GRASS, 3);
	} else {
		/* Transition from clear to desert is not smooth (after clearing desert tile) */
		SetClearGroundDensity(tile, CLEAR_DESERT, expected);
	}

	MarkTileDirtyByTile(tile);
}

Example #2

File: clear_cmd.cpp Project: M3Henry/openttd

void GenerateClearTile()
{
	uint i, gi;
	TileIndex tile;

	/* add rough tiles */
	i = ScaleByMapSize(GB(Random(), 0, 10) + 0x400);
	gi = ScaleByMapSize(GB(Random(), 0, 7) + 0x80);

	SetGeneratingWorldProgress(GWP_ROUGH_ROCKY, gi + i);
	do {
		IncreaseGeneratingWorldProgress(GWP_ROUGH_ROCKY);
		tile = RandomTile();
		if (IsTileType(tile, MP_CLEAR) && !IsClearGround(tile, CLEAR_DESERT)) SetClearGroundDensity(tile, CLEAR_ROUGH, 3);
	} while (--i);

	/* add rocky tiles */
	i = gi;
	do {
		uint32 r = Random();
		tile = RandomTileSeed(r);

		IncreaseGeneratingWorldProgress(GWP_ROUGH_ROCKY);
		if (IsTileType(tile, MP_CLEAR) && !IsClearGround(tile, CLEAR_DESERT)) {
			uint j = GB(r, 16, 4) + 5;
			for (;;) {
				TileIndex tile_new;

				SetClearGroundDensity(tile, CLEAR_ROCKS, 3);
				do {
					if (--j == 0) goto get_out;
					tile_new = tile + TileOffsByDiagDir((DiagDirection)GB(Random(), 0, 2));
				} while (!IsTileType(tile_new, MP_CLEAR) || IsClearGround(tile_new, CLEAR_DESERT));
				tile = tile_new;
			}
get_out:;
		}
	} while (--i);
}

Example #3

File: clear_cmd.cpp Project: M3Henry/openttd

static void TileLoop_Clear(TileIndex tile)
{
	/* If the tile is at any edge flood it to prevent maps without water. */
	if (_settings_game.construction.freeform_edges && DistanceFromEdge(tile) == 1) {
		int z;
		if (IsTileFlat(tile, &z) && z == 0) {
			DoFloodTile(tile);
			MarkTileDirtyByTile(tile);
			return;
		}
	}
	AmbientSoundEffect(tile);

	switch (_settings_game.game_creation.landscape) {
		case LT_TROPIC: TileLoopClearDesert(tile); break;
		case LT_ARCTIC: TileLoopClearAlps(tile);   break;
	}

	switch (GetClearGround(tile)) {
		case CLEAR_GRASS:
			if (GetClearDensity(tile) == 3) return;

			if (_game_mode != GM_EDITOR) {
				if (GetClearCounter(tile) < 7) {
					AddClearCounter(tile, 1);
					return;
				} else {
					SetClearCounter(tile, 0);
					AddClearDensity(tile, 1);
				}
			} else {
				SetClearGroundDensity(tile, GB(Random(), 0, 8) > 21 ? CLEAR_GRASS : CLEAR_ROUGH, 3);
			}
			break;

		case CLEAR_FIELDS:
			UpdateFences(tile);

			if (_game_mode == GM_EDITOR) return;

			if (GetClearCounter(tile) < 7) {
				AddClearCounter(tile, 1);
				return;
			} else {
				SetClearCounter(tile, 0);
			}

			if (GetIndustryIndexOfField(tile) == INVALID_INDUSTRY && GetFieldType(tile) >= 7) {
				/* This farmfield is no longer farmfield, so make it grass again */
				MakeClear(tile, CLEAR_GRASS, 2);
			} else {
				uint field_type = GetFieldType(tile);
				field_type = (field_type < 8) ? field_type + 1 : 0;
				SetFieldType(tile, field_type);
			}
			break;

		default:
			return;
	}

	MarkTileDirtyByTile(tile);
}