tron@2186: /* $Id$ */
tron@2186: 
rubidium@10429: /** @file unmovable_cmd.cpp Handling of unmovable tiles. */
belugas@6919: 
truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
rubidium@8615: #include "tile_cmd.h"
maedhros@6949: #include "landscape.h"
rubidium@8612: #include "command_func.h"
rubidium@8720: #include "viewport_func.h"
rubidium@8750: #include "player_func.h"
rubidium@8750: #include "player_base.h"
truelight@0: #include "gui.h"
truelight@0: #include "town.h"
darkvater@405: #include "sprite.h"
maedhros@7698: #include "bridge_map.h"
tron@3310: #include "unmovable_map.h"
tron@2159: #include "variables.h"
truelight@4300: #include "genworld.h"
rubidium@6486: #include "bridge.h"
rubidium@8078: #include "autoslope.h"
belugas@8345: #include "transparency.h"
rubidium@8627: #include "functions.h"
rubidium@8627: #include "window_func.h"
rubidium@8706: #include "vehicle_func.h"
rubidium@8750: #include "player_gui.h"
rubidium@10222: #include "station_type.h"
rubidium@10222: #include "economy_func.h"
rubidium@10225: #include "cheat_func.h"
rubidium@10444: #include "landscape_type.h"
truelight@0: 
rubidium@8760: #include "table/strings.h"
rubidium@8760: #include "table/sprites.h"
rubidium@8760: #include "table/unmovable_land.h"
rubidium@8760: 
Darkvater@1796: /** Destroy a HQ.
Darkvater@1796:  * During normal gameplay you can only implicitely destroy a HQ when you are
Darkvater@1796:  * rebuilding it. Otherwise, only water can destroy it.
belugas@6980:  * @param pid Player requesting the destruction of his HQ
Darkvater@1796:  * @param flags docommand flags of calling function
belugas@6980:  * @return cost of the operation
Darkvater@1796:  */
rubidium@7439: static CommandCost DestroyCompanyHQ(PlayerID pid, uint32 flags)
Darkvater@1796: {
rubidium@10357: 	Player *p = GetPlayer(pid);
Darkvater@1796: 
tron@4060: 	if (flags & DC_EXEC) {
tron@4060: 		TileIndex t = p->location_of_house;
Darkvater@1796: 
tron@4060: 		DoClearSquare(t + TileDiffXY(0, 0));
tron@4060: 		DoClearSquare(t + TileDiffXY(0, 1));
tron@4060: 		DoClearSquare(t + TileDiffXY(1, 0));
tron@4060: 		DoClearSquare(t + TileDiffXY(1, 1));
tron@4060: 		p->location_of_house = 0; // reset HQ position
tron@4060: 		InvalidateWindow(WC_COMPANY, pid);
tron@4060: 	}
Darkvater@1796: 
belugas@6919: 	/* cost of relocating company is 1% of company value */
rubidium@8726: 	return CommandCost(EXPENSES_PROPERTY, CalculateCompanyValue(p) / 100);
Darkvater@1796: }
Darkvater@1796: 
celestar@3386: void UpdateCompanyHQ(Player *p, uint score)
celestar@3386: {
celestar@3386: 	byte val;
celestar@3386: 	TileIndex tile = p->location_of_house;
celestar@3386: 
tron@4077: 	if (tile == 0) return;
celestar@3386: 
celestar@3388: 	(val = 0, score < 170) ||
celestar@3388: 	(val++, score < 350) ||
celestar@3388: 	(val++, score < 520) ||
celestar@3388: 	(val++, score < 720) ||
celestar@3388: 	(val++, true);
celestar@3386: 
celestar@3388: 	EnlargeCompanyHQ(tile, val);
celestar@3386: 
celestar@3386: 	MarkTileDirtyByTile(tile + TileDiffXY(0, 0));
celestar@3386: 	MarkTileDirtyByTile(tile + TileDiffXY(0, 1));
celestar@3386: 	MarkTileDirtyByTile(tile + TileDiffXY(1, 0));
celestar@3386: 	MarkTileDirtyByTile(tile + TileDiffXY(1, 1));
celestar@3386: }
celestar@3386: 
belugas@8291: extern CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, uint flags, uint invalid_dirs, StationID *station, bool check_clear = true);
belugas@6919: 
Darkvater@1796: /** Build or relocate the HQ. This depends if the HQ is already built or not
tron@3491:  * @param tile tile where the HQ will be built or relocated to
belugas@6919:  * @param flags type of operation
tron@2473:  * @param p1 unused
Darkvater@1796:  * @param p2 unused
Darkvater@1796:  */
rubidium@7439: CommandCost CmdBuildCompanyHQ(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
Darkvater@1796: {
celestar@1962: 	Player *p = GetPlayer(_current_player);
rubidium@8726: 	CommandCost cost(EXPENSES_PROPERTY);
Darkvater@1796: 
rubidium@7446: 	cost = CheckFlatLandBelow(tile, 2, 2, flags, 0, NULL);
rubidium@7446: 	if (CmdFailed(cost)) return cost;
Darkvater@1796: 
belugas@6919: 	if (p->location_of_house != 0) { // Moving HQ
rubidium@7446: 		cost.AddCost(DestroyCompanyHQ(_current_player, flags));
Darkvater@1796: 	}
Darkvater@1796: 
Darkvater@1796: 	if (flags & DC_EXEC) {
Darkvater@1796: 		int score = UpdateCompanyRatingAndValue(p, false);
Darkvater@1796: 
Darkvater@1796: 		p->location_of_house = tile;
Darkvater@1796: 
celestar@3385: 		MakeCompanyHQ(tile, _current_player);
celestar@3385: 
celestar@3386: 		UpdateCompanyHQ(p, score);
tron@3017: 		InvalidateWindow(WC_COMPANY, p->index);
Darkvater@1796: 	}
Darkvater@1796: 
Darkvater@1796: 	return cost;
Darkvater@1796: }
Darkvater@1796: 
rubidium@8706: /** Purchase a land area. Actually you only purchase one tile, so
rubidium@8706:  * the name is a bit confusing ;p
rubidium@8706:  * @param tile the tile the player is purchasing
rubidium@8706:  * @param flags for this command type
rubidium@8706:  * @param p1 unused
rubidium@8706:  * @param p2 unused
rubidium@8706:  * @return error of cost of operation
rubidium@8706:  */
rubidium@8706: CommandCost CmdPurchaseLandArea(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
rubidium@8706: {
rubidium@8726: 	CommandCost cost(EXPENSES_CONSTRUCTION);
rubidium@8706: 
rubidium@8706: 	if (IsOwnedLandTile(tile) && IsTileOwner(tile, _current_player)) {
rubidium@8706: 		return_cmd_error(STR_5807_YOU_ALREADY_OWN_IT);
rubidium@8706: 	}
rubidium@8706: 
rubidium@8706: 	cost = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
rubidium@8706: 	if (CmdFailed(cost)) return CMD_ERROR;
rubidium@8706: 
rubidium@8706: 	if (flags & DC_EXEC) {
rubidium@8706: 		MakeOwnedLand(tile, _current_player);
rubidium@8706: 		MarkTileDirtyByTile(tile);
rubidium@8706: 	}
rubidium@8706: 
rubidium@8706: 	return cost.AddCost(_price.clear_roughland * 10);
rubidium@8706: }
rubidium@8706: 
rubidium@8706: /** Sell a land area. Actually you only sell one tile, so
rubidium@8706:  * the name is a bit confusing ;p
rubidium@8706:  * @param tile the tile the player is selling
rubidium@8706:  * @param flags for this command type
rubidium@8706:  * @param p1 unused
rubidium@8706:  * @param p2 unused
rubidium@8706:  * @return error or cost of operation
rubidium@8706:  */
rubidium@8706: CommandCost CmdSellLandArea(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
rubidium@8706: {
rubidium@8706: 	if (!IsOwnedLandTile(tile)) return CMD_ERROR;
rubidium@8706: 	if (!CheckTileOwnership(tile) && _current_player != OWNER_WATER) return CMD_ERROR;
rubidium@8706: 
rubidium@8706: 	if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
rubidium@8706: 
rubidium@8706: 	if (flags & DC_EXEC) DoClearSquare(tile);
rubidium@8706: 
rubidium@10229: 	return CommandCost(EXPENSES_CONSTRUCTION, - _price.clear_roughland * 2);
rubidium@8706: }
rubidium@8706: 
rubidium@8045: static Foundation GetFoundation_Unmovable(TileIndex tile, Slope tileh);
rubidium@8045: 
truelight@0: static void DrawTile_Unmovable(TileInfo *ti)
truelight@0: {
truelight@193: 
celestar@3427: 	switch (GetUnmovableType(ti->tile)) {
celestar@3427: 		case UNMOVABLE_TRANSMITTER:
tron@4077: 		case UNMOVABLE_LIGHTHOUSE: {
rubidium@10357: 			const DrawTileSeqStruct *dtu = &_draw_tile_transmitterlighthouse_data[GetUnmovableType(ti->tile)];
celestar@3427: 
rubidium@7831: 			if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
tron@4077: 			DrawClearLandTile(ti, 2);
celestar@3427: 
smatz@9302: 			if (IsInvisibilitySet(TO_STRUCTURES)) break;
smatz@9302: 
tron@4077: 			AddSortableSpriteToDraw(
belugas@9072: 				dtu->image.sprite, PAL_NONE, ti->x | dtu->delta_x, ti->y | dtu->delta_y,
belugas@9072: 				dtu->size_x, dtu->size_y, dtu->size_z, ti->z,
belugas@8345: 				IsTransparencySet(TO_STRUCTURES)
tron@4077: 			);
tron@4077: 			break;
tron@4077: 		}
tron@4077: 
celestar@3427: 		case UNMOVABLE_STATUE:
rubidium@8045: 			/* This should prevent statues from sinking into the ground when on a slope. */
rubidium@8045: 			if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, GetFoundation_Unmovable(ti->tile, ti->tileh));
rubidium@8045: 
peter1138@5919: 			DrawGroundSprite(SPR_CONCRETE_GROUND, PAL_NONE);
truelight@0: 
smatz@9302: 			if (IsInvisibilitySet(TO_STRUCTURES)) break;
smatz@9302: 
belugas@8345: 			AddSortableSpriteToDraw(SPR_STATUE_COMPANY, PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)), ti->x, ti->y, 16, 16, 25, ti->z, IsTransparencySet(TO_STRUCTURES));
celestar@3427: 			break;
tron@4077: 
celestar@3427: 		case UNMOVABLE_OWNED_LAND:
truelight@0: 			DrawClearLandTile(ti, 0);
truelight@193: 
truelight@0: 			AddSortableSpriteToDraw(
rubidium@7829: 				SPR_BOUGHT_LAND, PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)),
rubidium@8097: 				ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, BB_HEIGHT_UNDER_BRIDGE, GetSlopeZ(ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2)
truelight@0: 			);
celestar@5573: 			DrawBridgeMiddle(ti);
celestar@3427: 			break;
celestar@3427: 
tron@4077: 		default: {
tron@4077: 			assert(IsCompanyHQ(ti->tile));
rubidium@7831: 			if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
tron@4077: 
rubidium@10357: 			SpriteID palette = PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile));
tron@4077: 
rubidium@10357: 			const DrawTileSprites *t = &_unmovable_display_datas[GetCompanyHQSection(ti->tile)];
frosch@9067: 			DrawGroundSprite(t->ground.sprite, palette);
tron@4077: 
smatz@9302: 			if (IsInvisibilitySet(TO_STRUCTURES)) break;
smatz@9302: 
rubidium@10357: 			const DrawTileSeqStruct *dtss;
tron@4077: 			foreach_draw_tile_seq(dtss, t->seq) {
tron@4077: 				AddSortableSpriteToDraw(
frosch@9066: 					dtss->image.sprite, palette,
tron@4230: 					ti->x + dtss->delta_x, ti->y + dtss->delta_y,
tron@4230: 					dtss->size_x, dtss->size_y,
rubidium@7829: 					dtss->size_z, ti->z + dtss->delta_z,
belugas@8345: 					IsTransparencySet(TO_STRUCTURES)
tron@4077: 				);
tron@4077: 			}
tron@4077: 			break;
tron@4077: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@4231: static uint GetSlopeZ_Unmovable(TileIndex tile, uint x, uint y)
truelight@0: {
tron@4231: 	if (IsOwnedLand(tile)) {
tron@4231: 		uint z;
rubidium@5838: 		Slope tileh = GetTileSlope(tile, &z);
tron@4231: 
tron@4231: 		return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
tron@3282: 	} else {
tron@4231: 		return GetTileMaxZ(tile);
tron@3282: 	}
truelight@0: }
truelight@0: 
rubidium@7831: static Foundation GetFoundation_Unmovable(TileIndex tile, Slope tileh)
dominik@39: {
rubidium@7831: 	return IsOwnedLand(tile) ? FOUNDATION_NONE : FlatteningFoundation(tileh);
dominik@39: }
dominik@39: 
rubidium@7439: static CommandCost ClearTile_Unmovable(TileIndex tile, byte flags)
truelight@0: {
celestar@3427: 	if (IsCompanyHQ(tile)) {
tron@4060: 		if (_current_player == OWNER_WATER) {
tron@4060: 			return DestroyCompanyHQ(GetTileOwner(tile), DC_EXEC);
tron@4060: 		} else {
tron@4060: 			return_cmd_error(STR_5804_COMPANY_HEADQUARTERS_IN);
tron@4060: 		}
truelight@193: 	}
truelight@0: 
tron@3310: 	if (IsOwnedLand(tile)) {
tron@3491: 		return DoCommand(tile, 0, 0, flags, CMD_SELL_LAND_AREA);
tron@3310: 	}
truelight@0: 
belugas@6919: 	/* checks if you're allowed to remove unmovable things */
darkvater@149: 	if (_game_mode != GM_EDITOR && _current_player != OWNER_WATER && ((flags & DC_AUTO || !_cheats.magic_bulldozer.value)) )
darkvater@149: 		return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);
truelight@193: 
truelight@6583: 	if (IsStatue(tile)) {
peter1138@8957: 		if (flags & DC_AUTO) return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);
peter1138@8957: 
truelight@6583: 		TownID town = GetStatueTownID(tile);
peter1138@8958: 		ClrBit(GetTown(town)->statues, GetTileOwner(tile));
truelight@6583: 		InvalidateWindow(WC_TOWN_AUTHORITY, town);
truelight@6583: 	}
truelight@6583: 
truelight@193: 	if (flags & DC_EXEC) {
truelight@0: 		DoClearSquare(tile);
truelight@0: 	}
truelight@0: 
rubidium@7446: 	return CommandCost();
truelight@0: }
truelight@0: 
tron@1977: static void GetAcceptedCargo_Unmovable(TileIndex tile, AcceptedCargo ac)
truelight@0: {
celestar@3427: 	if (!IsCompanyHQ(tile)) return;
truelight@0: 
truelight@0: 	/* HQ accepts passenger and mail; but we have to divide the values
truelight@0: 	 * between 4 tiles it occupies! */
truelight@0: 
rubidium@10357: 	/* HQ level (depends on company performance) in the range 1..5. */
rubidium@10357: 	uint level = GetCompanyHQSize(tile) + 1;
truelight@0: 
belugas@6919: 	/* Top town building generates 10, so to make HQ interesting, the top
belugas@6919: 	 * type makes 20. */
celestar@5852: 	ac[CT_PASSENGERS] = max(1U, level);
truelight@0: 
belugas@6919: 	/* Top town building generates 4, HQ can make up to 8. The
belugas@6919: 	 * proportion passengers:mail is different because such a huge
belugas@6919: 	 * commercial building generates unusually high amount of mail
belugas@6919: 	 * correspondence per physical visitor. */
celestar@5852: 	ac[CT_MAIL] = max(1U, level / 2);
truelight@0: }
truelight@0: 
truelight@0: 
tron@1977: static void GetTileDesc_Unmovable(TileIndex tile, TileDesc *td)
truelight@0: {
tron@3310: 	switch (GetUnmovableType(tile)) {
tron@3310: 		case UNMOVABLE_TRANSMITTER: td->str = STR_5801_TRANSMITTER; break;
tron@3310: 		case UNMOVABLE_LIGHTHOUSE:  td->str = STR_5802_LIGHTHOUSE; break;
tron@3310: 		case UNMOVABLE_STATUE:      td->str = STR_2016_STATUE; break;
tron@3310: 		case UNMOVABLE_OWNED_LAND:  td->str = STR_5805_COMPANY_OWNED_LAND; break;
tron@3310: 		default:                    td->str = STR_5803_COMPANY_HEADQUARTERS; break;
tron@3310: 	}
frosch@10662: 	td->owner[0] = GetTileOwner(tile);
truelight@0: }
truelight@0: 
tron@1977: static void AnimateTile_Unmovable(TileIndex tile)
truelight@0: {
truelight@0: 	/* not used */
truelight@0: }
truelight@0: 
tron@1977: static void TileLoop_Unmovable(TileIndex tile)
truelight@0: {
celestar@3427: 	if (!IsCompanyHQ(tile)) return;
truelight@0: 
truelight@0: 	/* HQ accepts passenger and mail; but we have to divide the values
truelight@0: 	 * between 4 tiles it occupies! */
truelight@0: 
rubidium@10357: 	/* HQ level (depends on company performance) in the range 1..5. */
rubidium@10357: 	uint level = GetCompanyHQSize(tile) + 1;
truelight@0: 	assert(level < 6);
truelight@0: 
rubidium@10357: 	uint r = Random();
belugas@6919: 	/* Top town buildings generate 250, so the top HQ type makes 256. */
tron@2150: 	if (GB(r, 0, 8) < (256 / 4 / (6 - level))) {
tron@2150: 		uint amt = GB(r, 0, 8) / 8 / 4 + 1;
truelight@0: 		if (_economy.fluct <= 0) amt = (amt + 1) >> 1;
truelight@0: 		MoveGoodsToStation(tile, 2, 2, CT_PASSENGERS, amt);
truelight@0: 	}
truelight@0: 
belugas@6919: 	/* Top town building generates 90, HQ can make up to 196. The
belugas@6919: 	 * proportion passengers:mail is about the same as in the acceptance
belugas@6919: 	 * equations. */
tron@2150: 	if (GB(r, 8, 8) < (196 / 4 / (6 - level))) {
tron@2150: 		uint amt = GB(r, 8, 8) / 8 / 4 + 1;
truelight@0: 		if (_economy.fluct <= 0) amt = (amt + 1) >> 1;
truelight@0: 		MoveGoodsToStation(tile, 2, 2, CT_MAIL, amt);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: 
frosch@9112: static TrackStatus GetTileTrackStatus_Unmovable(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
truelight@0: {
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
tron@1977: static void ClickTile_Unmovable(TileIndex tile)
truelight@0: {
celestar@3427: 	if (IsCompanyHQ(tile)) ShowPlayerCompany(GetTileOwner(tile));
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: /* checks, if a radio tower is within a 9x9 tile square around tile */
tron@4083: static bool IsRadioTowerNearby(TileIndex tile)
truelight@0: {
tron@1981: 	TileIndex tile_s = tile - TileDiffXY(4, 4);
truelight@0: 
truelight@0: 	BEGIN_TILE_LOOP(tile, 9, 9, tile_s)
tron@4083: 		if (IsTransmitterTile(tile)) return true;
truelight@0: 	END_TILE_LOOP(tile, 9, 9, tile_s)
truelight@4300: 
tron@4083: 	return false;
truelight@0: }
truelight@0: 
rubidium@6573: void GenerateUnmovables()
truelight@0: {
rubidium@10775: 	if (_settings_game.game_creation.landscape == LT_TOYLAND) return;
truelight@0: 
truelight@0: 	/* add radio tower */
rubidium@10357: 	int radiotowser_to_build = ScaleByMapSize(15); // maximum number of radio towers on the map
rubidium@10775: 	int lighthouses_to_build = _settings_game.game_creation.landscape == LT_TROPIC ? 0 : ScaleByMapSize1D((Random() & 3) + 7);
rubidium@10357: 	SetGeneratingWorldProgress(GWP_UNMOVABLE, radiotowser_to_build + lighthouses_to_build);
truelight@4300: 
rubidium@10357: 	for (uint i = ScaleByMapSize(1000); i != 0; i--) {
rubidium@10357: 		TileIndex tile = RandomTile();
rubidium@10357: 
rubidium@10357: 		uint h;
maedhros@7698: 		if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h >= TILE_HEIGHT * 4 && !IsBridgeAbove(tile)) {
tron@4083: 			if (IsRadioTowerNearby(tile)) continue;
rubidium@10357: 
tron@3310: 			MakeTransmitter(tile);
truelight@4300: 			IncreaseGeneratingWorldProgress(GWP_UNMOVABLE);
rubidium@10357: 			if (--radiotowser_to_build == 0) break;
truelight@0: 		}
rubidium@10357: 	}
truelight@0: 
rubidium@10775: 	if (_settings_game.game_creation.landscape == LT_TROPIC) return;
truelight@193: 
truelight@0: 	/* add lighthouses */
rubidium@10357: 	uint maxx = MapMaxX();
rubidium@10357: 	uint maxy = MapMaxY();
rubidium@10357: 	for (int loop_count = 0; loop_count < 1000 && lighthouses_to_build != 0; loop_count++) {
rubidium@10357: 		uint r = Random();
truelight@4300: 
truelight@4300: 		/* Scatter the lighthouses more evenly around the perimeter */
rubidium@10357: 		int perimeter = (GB(r, 16, 16) % (2 * (maxx + maxy))) - maxy;
rubidium@10357: 		DiagDirection dir;
truelight@4300: 		for (dir = DIAGDIR_NE; perimeter > 0; dir++) {
truelight@4300: 			perimeter -= (DiagDirToAxis(dir) == AXIS_X) ? maxx : maxy;
truelight@4300: 		}
truelight@4300: 
rubidium@10357: 		TileIndex tile;
tron@3164: 		switch (dir) {
tron@3164: 			default:
tron@3164: 			case DIAGDIR_NE: tile = TileXY(maxx,     r % maxy); break;
tron@3164: 			case DIAGDIR_SE: tile = TileXY(r % maxx, 0);        break;
tron@3164: 			case DIAGDIR_SW: tile = TileXY(0,        r % maxy); break;
tron@3164: 			case DIAGDIR_NW: tile = TileXY(r % maxx, maxy);     break;
tron@3164: 		}
rubidium@10357: 
rubidium@10357: 		for (int j = 0; j < 20; j++) {
rubidium@10357: 			uint h;
rubidium@10357: 			if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h <= TILE_HEIGHT * 2 && !IsBridgeAbove(tile)) {
rubidium@10357: 				MakeLighthouse(tile);
rubidium@10357: 				IncreaseGeneratingWorldProgress(GWP_UNMOVABLE);
rubidium@10357: 				lighthouses_to_build--;
rubidium@10357: 				assert(tile == TILE_MASK(tile));
rubidium@10357: 				break;
rubidium@10357: 			}
Darkvater@4559: 			tile = TILE_MASK(tile + TileOffsByDiagDir(dir));
rubidium@10357: 		}
rubidium@10357: 	}
truelight@0: }
truelight@0: 
Darkvater@2436: static void ChangeTileOwner_Unmovable(TileIndex tile, PlayerID old_player, PlayerID new_player)
truelight@0: {
tron@1901: 	if (!IsTileOwner(tile, old_player)) return;
truelight@193: 
Darkvater@4848: 	if (IsOwnedLand(tile) && new_player != PLAYER_SPECTATOR) {
tron@1902: 		SetTileOwner(tile, new_player);
peter1138@8964: 	} else if (IsStatueTile(tile)) {
peter1138@8964: 		TownID town = GetStatueTownID(tile);
peter1138@8964: 		Town *t = GetTown(town);
peter1138@8964: 		ClrBit(t->statues, old_player);
peter1138@8964: 		if (new_player != PLAYER_SPECTATOR && !HasBit(t->statues, new_player)) {
peter1138@8964: 			/* Transfer ownership to the new company */
peter1138@8964: 			SetBit(t->statues, new_player);
peter1138@8964: 			SetTileOwner(tile, new_player);
peter1138@8964: 		} else {
peter1138@8964: 			DoClearSquare(tile);
peter1138@8964: 		}
peter1138@8964: 
peter1138@8964: 		InvalidateWindow(WC_TOWN_AUTHORITY, town);
tron@2026: 	} else {
truelight@0: 		DoClearSquare(tile);
truelight@0: 	}
truelight@0: }
truelight@0: 
rubidium@7990: static CommandCost TerraformTile_Unmovable(TileIndex tile, uint32 flags, uint z_new, Slope tileh_new)
rubidium@7990: {
rubidium@7990: 	/* Owned land remains unsold */
rubidium@7990: 	if (IsOwnedLand(tile) && CheckTileOwnership(tile)) return CommandCost();
rubidium@7990: 
rubidium@8078: 	if (AutoslopeEnabled() && (IsStatue(tile) || IsCompanyHQ(tile))) {
rubidium@8726: 		if (!IsSteepSlope(tileh_new) && (z_new + GetSlopeMaxZ(tileh_new) == GetTileMaxZ(tile))) return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform);
rubidium@8078: 	}
rubidium@8078: 
rubidium@7990: 	return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
rubidium@7990: }
rubidium@7990: 
rubidium@5838: extern const TileTypeProcs _tile_type_unmovable_procs = {
pasky@1493: 	DrawTile_Unmovable,             /* draw_tile_proc */
pasky@1493: 	GetSlopeZ_Unmovable,            /* get_slope_z_proc */
pasky@1493: 	ClearTile_Unmovable,            /* clear_tile_proc */
pasky@1493: 	GetAcceptedCargo_Unmovable,     /* get_accepted_cargo_proc */
pasky@1493: 	GetTileDesc_Unmovable,          /* get_tile_desc_proc */
pasky@1493: 	GetTileTrackStatus_Unmovable,   /* get_tile_track_status_proc */
pasky@1493: 	ClickTile_Unmovable,            /* click_tile_proc */
pasky@1493: 	AnimateTile_Unmovable,          /* animate_tile_proc */
pasky@1493: 	TileLoop_Unmovable,             /* tile_loop_clear */
pasky@1493: 	ChangeTileOwner_Unmovable,      /* change_tile_owner_clear */
pasky@1493: 	NULL,                           /* get_produced_cargo_proc */
pasky@1493: 	NULL,                           /* vehicle_enter_tile_proc */
rubidium@7831: 	GetFoundation_Unmovable,        /* get_foundation_proc */
rubidium@7990: 	TerraformTile_Unmovable,        /* terraform_tile_proc */
truelight@0: };