(svn r1) Import of revision 975 of old (crashed) SVN

1 files changed, 1875 insertions, 0 deletions

diff --git a/industry_cmd.c b/industry_cmd.c
new file mode 100644
index 000000000..693429211
--- /dev/null
+++ b/industry_cmd.c
@@ -0,0 +1,1875 @@
+#include "stdafx.h"
+#include "ttd.h"
+#include "viewport.h"
+#include "command.h"
+#include "industry.h"
+#include "town.h"
+#include "vehicle.h"
+#include "news.h"
+#include "saveload.h"
+#include "economy.h"
+
+byte _industry_sound_ctr;
+TileIndex _industry_sound_tile;
+
+void ShowIndustryViewWindow(int industry);
+void BuildOilRig(uint tile);
+void DeleteOilRig(uint tile);
+
+typedef struct DrawIndustryTileStruct {
+	uint32 sprite_1;
+	uint32 sprite_2;
+
+	byte subtile_xy;
+	byte width_height;
+	byte dz;
+	byte proc;
+} DrawIndustryTileStruct;
+
+
+typedef struct DrawIndustrySpec1Struct {
+	byte x;
+	byte image_1;
+	byte image_2;
+	byte image_3;
+} DrawIndustrySpec1Struct;
+
+typedef struct DrawIndustrySpec4Struct {
+	byte image_1;
+	byte image_2;
+	byte image_3;
+} DrawIndustrySpec4Struct;
+
+
+
+#include "table/industry_land.h"
+
+
+typedef struct IndustryTileTable {
+	TileIndexDiff ti;
+	byte map5;
+} IndustryTileTable;
+
+typedef struct IndustrySpec {
+	const IndustryTileTable * const * table;
+	byte num_table;
+	byte a,b,c;
+	byte produced_cargo[2];
+	byte production_rate[2];
+	byte accepts_cargo[3];
+	byte check_proc;
+} IndustrySpec;
+
+#include "table/build_industry.h"
+
+static const byte _industry_close_mode[37] = {
+	1,0,2,1,2,1,2,2,2,1,1,1,0,2,2,1,0,1,1,1,1,1,0,2,1,2,1,2,1,1,0,2,1,2,1,1,1,
+};
+
+static const StringID _industry_prod_up_strings[] = {
+	STR_4836_NEW_COAL_SEAM_FOUND_AT,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4837_NEW_OIL_RESERVES_FOUND,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4838_IMPROVED_FARMING_METHODS,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4837_NEW_OIL_RESERVES_FOUND,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4838_IMPROVED_FARMING_METHODS,
+	STR_4838_IMPROVED_FARMING_METHODS,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4838_IMPROVED_FARMING_METHODS,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4838_IMPROVED_FARMING_METHODS,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4838_IMPROVED_FARMING_METHODS,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+	STR_4835_INCREASES_PRODUCTION,
+};
+
+static const StringID _industry_prod_down_strings[] = {
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_483A_INSECT_INFESTATION_CAUSES,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_483A_INSECT_INFESTATION_CAUSES,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_483A_INSECT_INFESTATION_CAUSES,
+	STR_483A_INSECT_INFESTATION_CAUSES,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_483A_INSECT_INFESTATION_CAUSES,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_483A_INSECT_INFESTATION_CAUSES,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+	STR_4839_PRODUCTION_DOWN_BY_50,
+};
+
+static const StringID _industry_close_strings[] = {
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4833_SUPPLY_PROBLEMS_CAUSE_TO,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4833_SUPPLY_PROBLEMS_CAUSE_TO,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4833_SUPPLY_PROBLEMS_CAUSE_TO,
+	STR_4833_SUPPLY_PROBLEMS_CAUSE_TO,
+	STR_4833_SUPPLY_PROBLEMS_CAUSE_TO,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4833_SUPPLY_PROBLEMS_CAUSE_TO,
+	STR_4833_SUPPLY_PROBLEMS_CAUSE_TO,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4833_SUPPLY_PROBLEMS_CAUSE_TO,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4834_LACK_OF_NEARBY_TREES_CAUSES,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4833_SUPPLY_PROBLEMS_CAUSE_TO,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4833_SUPPLY_PROBLEMS_CAUSE_TO,
+	STR_4833_SUPPLY_PROBLEMS_CAUSE_TO,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4833_SUPPLY_PROBLEMS_CAUSE_TO,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE,
+	STR_4832_ANNOUNCES_IMMINENT_CLOSURE	,
+};
+
+
+static void IndustryDrawTileProc1(TileInfo *ti)
+{
+	const DrawIndustrySpec1Struct *d;
+	uint32 image;
+
+	if (!(_map_owner[ti->tile] & 0x80))
+		return;
+	
+	d = &_draw_industry_spec1[_map3_lo[ti->tile]];
+
+	AddChildSpriteScreen(0x12A7 + d->image_1, d->x, 0);
+
+	if ( (image = d->image_2) != 0)
+		AddChildSpriteScreen(0x12B0 + image - 1, 8, 41);
+
+	if ( (image = d->image_3) != 0)
+		AddChildSpriteScreen(0x12AC + image - 1, 
+			_drawtile_proc1_x[image-1], _drawtile_proc1_y[image-1]);
+}
+
+static void IndustryDrawTileProc2(TileInfo *ti)
+{
+	int x = 0;
+	
+	if (_map_owner[ti->tile] & 0x80) {
+		x = _industry_anim_offs[_map3_lo[ti->tile]];
+		if ( (byte)x == 0xFF)
+			x = 0;
+	}
+
+	AddChildSpriteScreen(0x129F, 22-x, x+24);
+	AddChildSpriteScreen(0x129E, 6, 0xE);
+}
+
+static void IndustryDrawTileProc3(TileInfo *ti)
+{
+	if (_map_owner[ti->tile] & 0x80) {
+		AddChildSpriteScreen(0x128B, 5, 
+			_industry_anim_offs_2[_map3_lo[ti->tile]]);
+	}
+	AddChildSpriteScreen(0x30B928A, 3, 67);
+}
+
+static void IndustryDrawTileProc4(TileInfo *ti)
+{
+	const DrawIndustrySpec4Struct *d;
+
+	d = &_industry_anim_offs_3[_map3_lo[ti->tile]];
+
+	if (d->image_1 != 0xFF) {
+		AddChildSpriteScreen(0x126F, 0x32 - d->image_1 * 2, 0x60 + d->image_1);
+	}
+
+	if (d->image_2 != 0xFF) {
+		AddChildSpriteScreen(0x1270, 0x10 - d->image_2*2, 100 + d->image_2);
+	}
+
+	AddChildSpriteScreen(0x126E, 7, d->image_3);
+	AddChildSpriteScreen(0x126D, 0, 42);
+}
+
+static void DrawCoalPlantSparkles(TileInfo *ti)
+{
+	int image = _map_owner[ti->tile];
+	if (image & 0x80) {
+		image = (image >> 2) & 0x1F;
+		if (image != 0 && image < 7) {
+			AddChildSpriteScreen(image + 0x806, 
+				_coal_plant_sparkles_x[image-1],
+				_coal_plant_sparkles_y[image-1]
+			);
+		}
+	}
+}
+
+typedef void IndustryDrawTileProc(TileInfo *ti);
+static IndustryDrawTileProc * const _industry_draw_tile_procs[5] = {
+	IndustryDrawTileProc1,
+	IndustryDrawTileProc2,
+	IndustryDrawTileProc3,
+	IndustryDrawTileProc4,
+	DrawCoalPlantSparkles,
+};
+
+static void DrawTile_Industry(TileInfo *ti)
+{
+	Industry *ind;
+	const DrawIndustryTileStruct *dits;
+	byte z;
+	uint32 image, ormod;
+
+	/* Pointer to industry */
+	ind = DEREF_INDUSTRY(_map2[ti->tile]);
+	ormod = (ind->color_map+0x307)<<16;
+
+	/* Retrieve pointer to the draw industry tile struct */
+	dits = &_industry_draw_tile_data[(ti->map5<<2) | (_map_owner[ti->tile]&3)];
+
+	image = dits->sprite_1;
+	if (image&0x8000 && (image & 0xFFFF0000) == 0)
+		image |= ormod;
+
+	z = ti->z;
+	/* Add bricks below the industry? */
+	if (ti->tileh & 0xF) {
+		AddSortableSpriteToDraw((ti->tileh & 0xF) + 0x3DD, ti->x, ti->y, 16, 16, 7, z);
+		AddChildSpriteScreen(image, 0x1F, 1);
+		z += 8;
+	} else {
+		/* Else draw regular ground */
+		DrawGroundSprite(image);
+	}
+
+	/* Add industry on top of the ground? */
+	if ((image = dits->sprite_2) != 0) {
+
+		if (image&0x8000 && (image & 0xFFFF0000) == 0)
+			image |= ormod;
+			
+		if (!(_display_opt & DO_TRANS_BUILDINGS))
+			image = (image & 0x3FFF) | 0x3224000;
+		
+		AddSortableSpriteToDraw(image, 
+			ti->x | (dits->subtile_xy>>4),
+			ti->y | (dits->subtile_xy&0xF),
+			(dits->width_height>>4)+1,
+			(dits->width_height&0xF)+1,
+			dits->dz,
+			z);
+
+		if (!(_display_opt & DO_TRANS_BUILDINGS))
+			return;
+	}
+
+	/* TTDBUG: strange code here, return if AddSortableSpriteToDraw failed?  */	
+		{
+		int proc;
+		if ((proc=dits->proc-1) >= 0 )
+			_industry_draw_tile_procs[proc](ti);
+	}
+}
+
+
+static uint GetSlopeZ_Industry(TileInfo *ti) {
+	return GetPartialZ(ti->x&0xF, ti->y&0xF, ti->tileh) + ti->z;
+}
+
+static void GetAcceptedCargo_Industry(uint tile, AcceptedCargo *ac)
+{
+	int m5 = _map5[tile];
+	int a;
+
+	a = _industry_map5_accepts_1[m5];
+	if (a >= 0) {
+		ac->type_1 = a;
+		ac->amount_1 = (a == 0) ? 1 : 8;
+	}
+
+	a = _industry_map5_accepts_2[m5];
+	if (a >= 0) {
+		ac->type_2 = a;
+		ac->amount_2 = 8;
+	}
+
+	a = _industry_map5_accepts_3[m5];
+	if (a >= 0) {
+		ac->type_3 = a;
+		ac->amount_3 = 8;
+	}
+}
+
+static void GetTileDesc_Industry(uint tile, TileDesc *td)
+{
+	Industry *i = DEREF_INDUSTRY(_map2[tile]);
+
+	td->owner = i->owner;
+	td->str = STR_4802_COAL_MINE + i->type;
+	if ((_map_owner[tile] & 0x80) == 0) {
+		SET_DPARAMX16(td->dparam, 0, td->str);
+		td->str = STR_2058_UNDER_CONSTRUCTION;
+	}
+}
+
+static int32 ClearTile_Industry(uint tile, byte flags)
+{
+	Industry *i = DEREF_INDUSTRY(_map2[tile]);
+
+ if ((_current_player == OWNER_WATER || _game_mode != GM_EDITOR) && !_cheats.magic_bulldozer.value) {
+ 		SET_DPARAM16(0, STR_4802_COAL_MINE + i->type);
+		return_cmd_error(STR_4800_IN_THE_WAY);
+	}
+
+	if (flags & DC_EXEC) {
+ 		DeleteIndustry(i);
+	}
+	return 0;
+}
+
+/* p1 index of industry to destroy */
+/* Destroy Industry button costing money removed per request of dominik
+int32 CmdDestroyIndustry(int x, int y, uint32 flags, uint32 p1, uint32 p2)
+{
+	uint tile = TILE_FROM_XY(x,y);
+	Industry *i = DEREF_INDUSTRY((uint16)p1);
+  Town *t = ClosestTownFromTile(tile, (uint)-1); // find closest town to penaltize (ALWAYS penaltize)
+
+	// check if you're allowed to remove the industry. Minimum amount
+	// of ratings to remove the industry depends on difficulty setting
+	if (!CheckforTownRating(tile, flags, t, INDUSTRY_REMOVE)) 
+		return CMD_ERROR;
+		
+	if (flags & DC_EXEC) {
+		DeleteIndustry(i);
+		CreateEffectVehicleAbove(x + 8,y + 8, 2, EV_DEMOLISH);
+		ChangeTownRating(t, -1500, -1000);	// penalty is 1500
+	}
+	
+	return (_price.build_industry >> 5) * _industry_type_costs[i->type]*2;
+}
+*/
+
+static const byte _industry_min_cargo[] = {
+	5, 5, 5, 30, 5, 5, 5, 5,
+	5, 5, 5, 5, 2, 5, 5, 5,
+	5, 5, 5, 15, 15, 5, 5, 5,
+	5, 5, 30, 5, 30, 5, 5, 5,
+	5, 5, 5, 5, 5,
+};
+
+void TransportIndustryGoods(uint tile)
+{
+	Industry *i;
+	int type;
+	uint cw, am;
+	byte m5;
+
+	i = DEREF_INDUSTRY(_map2[tile]);
+	
+	type = i->type;
+	cw = min(i->cargo_waiting[0], 255);
+	if (cw > _industry_min_cargo[type]/* && i->produced_cargo[0] != 0xFF*/) {
+		i->cargo_waiting[0] -= cw;
+
+		/* fluctuating economy? */
+		if (_economy.fluct <= 0) cw = (cw + 1) >> 1;
+
+		i->last_mo_production[0] += cw;
+
+		am = MoveGoodsToStation(i->xy, i->width, i->height, i->produced_cargo[0], cw);
+		i->last_mo_transported[0] += am;
+		if (am != 0 && (m5 = _industry_produce_map5[_map5[tile]]) != 0xFF) {
+			_map5[tile] = m5;
+			_map_owner[tile] = 0x80;
+			MarkTileDirtyByTile(tile);
+		}
+	}
+
+	type = i->type;
+	cw = min(i->cargo_waiting[1], 255);
+	if (cw > _industry_min_cargo[type]) {
+		i->cargo_waiting[1] -= cw;
+		
+		if (_economy.fluct <= 0) cw = (cw + 1) >> 1;
+		
+		i->last_mo_production[1] += cw;
+
+		am = MoveGoodsToStation(i->xy, i->width, i->height, i->produced_cargo[1], cw);
+		i->last_mo_transported[1] += am;
+	}
+}
+
+
+static void AnimateTile_Industry(uint tile)
+{
+	byte m,n;
+
+	switch(_map5[tile]) {
+	case 174:
+		if ((_tick_counter & 1) == 0) {
+			m = _map3_lo[tile] + 1;
+			
+			switch(m & 7) {
+			case 2:	SndPlayTileFx(45, tile); break;
+			case 6: SndPlayTileFx(41, tile); break;
+			}
+
+			if (m >= 96) {
+				m = 0;
+				DeleteAnimatedTile(tile);
+			}
+			_map3_lo[tile] = m;
+
+			MarkTileDirtyByTile(tile);
+		}
+		break;
+
+	case 165:
+		if ((_tick_counter & 3) == 0) {
+			m = _map3_lo[tile];
+			
+			if (_industry_anim_offs[m] == 0xFF) {
+				SndPlayTileFx(48, tile);
+			}
+
+			if (++m >= 70) {
+				m = 0;
+				DeleteAnimatedTile(tile);
+			}
+			_map3_lo[tile] = m;
+
+			MarkTileDirtyByTile(tile);
+		}
+		break;
+
+	case 162:
+		if ((_tick_counter&1) == 0) {
+			m = _map3_lo[tile];
+
+			if (++m >= 40) {
+				m = 0;
+				DeleteAnimatedTile(tile);
+			}
+			_map3_lo[tile] = m;
+
+			MarkTileDirtyByTile(tile);
+		}
+		break;
+
+	// Sparks on a coal plant
+	case 10:
+		if ((_tick_counter & 3) == 0) {
+			m = _map_owner[tile];
+			if ((m & (31<<2)) == (6 << 2)) {
+				_map_owner[tile] = m&~(31<<2);
+				DeleteAnimatedTile(tile);
+			} else {
+				_map_owner[tile] = m + (1<<2);
+				MarkTileDirtyByTile(tile);
+			}
+		}
+		break;
+
+	case 143:
+		if ((_tick_counter & 1) == 0) {
+			m = _map3_lo[tile] + 1;
+
+			if (m == 1) {
+				SndPlayTileFx(44, tile);
+			} else if (m == 23) {
+				SndPlayTileFx(43, tile);
+			} else if (m == 28) {
+				SndPlayTileFx(42, tile);
+			}
+
+			if (m >= 50 && (m=0,++_map3_hi[tile] >= 8)) {
+				_map3_hi[tile] = 0;
+				DeleteAnimatedTile(tile);
+			}
+			_map3_lo[tile] = m;			
+			MarkTileDirtyByTile(tile);
+		}
+		break;
+
+	case 148: case 149: case 150: case 151:
+	case 152: case 153: case 154: case 155:
+		if ((_tick_counter & 3) == 0) {
+			m = _map5[tile]	+ 1;
+			if (m == 155+1) m = 148;
+			_map5[tile] = m;
+
+			MarkTileDirtyByTile(tile);
+		}
+		break;
+
+	case 30: case 31: case 32:
+		if ((_tick_counter & 7) == 0) {
+			bool b = CHANCE16(1,7);
+			m = _map_owner[tile];
+			m = (m & 3) + 1;
+			n = _map5[tile];
+			if (m == 4 && (m=0,++n) == 32+1 && (n=30,b)) {
+				_map_owner[tile] = 0x83;
+				_map5[tile] = 29;
+				DeleteAnimatedTile(tile);	
+			} else {
+				_map5[tile] = n;
+				_map_owner[tile] = (_map_owner[tile] & ~3) | m;
+				MarkTileDirtyByTile(tile);
+			}
+		}
+		break;
+
+	case 88:
+	case 48:
+	case 1: {
+			int state = _tick_counter & 0x7FF;
+
+			if ((state -= 0x400) < 0)
+				return;
+
+			if (state < 0x1A0) {
+				if (state < 0x20 || state >= 0x180) {
+					if (!	(_map_owner[tile] & 0x40)) {
+						_map_owner[tile] |= 0x40;
+						SndPlayTileFx(9, tile);
+					}
+					if (state & 7)
+						return;
+				} else {
+					if (state & 3)
+						return;
+				}
+				m = (_map_owner[tile] + 1) | 0x40;
+				if (m > 0xC2) m = 0xC0;
+				_map_owner[tile] = m;
+				MarkTileDirtyByTile(tile);
+			} else if (state >= 0x200 && state < 0x3A0) {
+				int i;
+				i = (state < 0x220 || state >= 0x380) ? 7 : 3;
+				if (state & i)
+					return;
+
+				m = (_map_owner[tile] & 0xBF) - 1;
+				if (m < 0x80) m = 0x82;
+				_map_owner[tile] = m;
+				MarkTileDirtyByTile(tile);
+			}
+		} break;
+	}
+}
+
+static void MakeIndustryTileBiggerCase8(uint tile)
+{
+	TileInfo ti;
+	FindLandscapeHeight(&ti, GET_TILE_X(tile)*16, GET_TILE_Y(tile)*16);
+	CreateEffectVehicle(ti.x + 15, ti.y + 14, ti.z + 59 + (ti.tileh != 0 ? 8 : 0), EV_INDUSTRYSMOKE);
+}
+
+static void MakeIndustryTileBigger(uint tile, byte size)
+{
+	byte b = (byte)((size + (1<<2)) & (3<<2));
+
+	if (b != 0) {
+		_map_owner[tile] = b | (size & 3);
+		return;
+	}
+
+	size = (size + 1) & 3;
+	if (size == 3) size |= 0x80;
+	_map_owner[tile] = size | b;
+	
+	MarkTileDirtyByTile(tile);
+
+	if (!(_map_owner[tile] & 0x80))
+		return;
+
+	switch(_map5[tile]) {
+	case 8:
+		MakeIndustryTileBiggerCase8(tile);
+		break;
+
+	case 24:
+		if (_map5[tile + TILE_XY(0,1)] == 24) {
+			BuildOilRig(tile);
+		}
+		break;
+
+	case 143:
+	case 162:
+	case 165:
+		_map3_lo[tile] = 0;
+		_map3_hi[tile] = 0;
+		break;
+
+	case 148: case 149: case 150: case 151:
+	case 152: case 153: case 154: case 155:
+		AddAnimatedTile(tile);
+		break;
+	}
+}
+
+
+
+static void TileLoopIndustryCase161(uint tile)
+{
+	int dir;
+	Vehicle *v;
+	static const int8 _tileloop_ind_case_161[12] = {
+		11, 0, -4, -14,
+		-4, -10, -4, 1,
+		49, 59, 60, 65,
+	};
+
+	SndPlayTileFx(46, tile);
+	
+	dir = Random() & 3;
+
+	v = CreateEffectVehicleAbove(
+		GET_TILE_X(tile)*16 + _tileloop_ind_case_161[dir + 0],
+		GET_TILE_Y(tile)*16 + _tileloop_ind_case_161[dir + 4],
+		_tileloop_ind_case_161[dir + 8],
+		EV_INDUSTRY_SMOKE
+	);
+
+	if (v != NULL)
+		v->u.special.unk2 = dir;
+}
+
+static void TileLoop_Industry(uint tile)
+{
+	byte n;
+
+	if (!(_map_owner[tile] & 0x80)) {
+		MakeIndustryTileBigger(tile, _map_owner[tile]);
+		return;
+	}
+
+	if (_game_mode == GM_EDITOR)
+		return;
+
+	TransportIndustryGoods(tile);
+
+	n = _industry_map5_animation_next[_map5[tile]];
+	if (n != 255) {
+		_map5[tile] = n;
+		_map_owner[tile] = 0;
+		MarkTileDirtyByTile(tile);
+		return;
+	}
+
+#define SET_AND_ANIMATE(tile,a,b) { _map5[tile]=a; _map_owner[tile]=b; AddAnimatedTile(tile); }
+#define SET_AND_UNANIMATE(tile,a,b) { _map5[tile]=a; _map_owner[tile]=b; DeleteAnimatedTile(tile); }
+
+	switch(_map5[tile]) {
+	case 0:
+		if (!(_tick_counter & 0x400) && CHANCE16(1,2))
+			SET_AND_ANIMATE(tile,1,0x80);
+		break;
+
+	case 47:
+		if (!(_tick_counter & 0x400) && CHANCE16(1,2))
+			SET_AND_ANIMATE(tile,0x30,0x80);
+		break;
+
+	case 79:
+		if (!(_tick_counter & 0x400) && CHANCE16(1,2))
+			SET_AND_ANIMATE(tile,0x58,0x80);
+		break;
+
+	case 29:
+		if (CHANCE16(1,6))
+			SET_AND_ANIMATE(tile,0x1E,0x80);
+		break;
+
+	case 1:
+		if (!(_tick_counter & 0x400))
+			SET_AND_UNANIMATE(tile, 0, 0x83);
+		break;
+
+	case 48:
+		if (!(_tick_counter & 0x400))
+			SET_AND_UNANIMATE(tile, 0x2F, 0x83);
+		break;
+
+	case 88:
+		if (!(_tick_counter & 0x400))
+			SET_AND_UNANIMATE(tile, 0x4F, 0x83);
+		break;
+
+	case 10:
+		if (CHANCE16(1,3)) {
+			SndPlayTileFx(10, tile);
+			AddAnimatedTile(tile);
+		}
+		break;
+
+	case 49: {
+		CreateEffectVehicleAbove(GET_TILE_X(tile)*16 + 6, GET_TILE_Y(tile)*16 + 6, 43, EV_SMOKE_3); 
+	} break;
+
+
+	case 143: {
+			Industry *i = DEREF_INDUSTRY(_map2[tile]);
+			if (i->was_cargo_delivered) {
+				i->was_cargo_delivered = false;
+				if ((_map3_hi[tile]|_map3_lo[tile]) != 0)
+					_map3_hi[tile] = 0;
+				AddAnimatedTile(tile);
+			}
+		}
+		break;
+
+	case 161:
+		TileLoopIndustryCase161(tile);
+		break;		
+	
+	case 165:
+		AddAnimatedTile(tile);
+		break;
+
+	case 174:
+		if (CHANCE16(1,3)) {
+			AddAnimatedTile(tile);
+		}
+		break;
+	}
+}
+
+
+static void ClickTile_Industry(uint tile)
+{
+	ShowIndustryViewWindow(_map2[tile]);
+}
+
+static uint32 GetTileTrackStatus_Industry(uint tile, int mode)
+{
+	return 0;
+}
+
+static void GetProducedCargo_Industry(uint tile, byte *b)
+{
+	Industry *i = DEREF_INDUSTRY(_map2[tile]);
+	b[0] = i->produced_cargo[0];
+	b[1] = i->produced_cargo[1];
+}
+
+static void ChangeTileOwner_Industry(uint tile, byte old_player, byte new_player)
+{
+	/* not used */
+}
+
+void DeleteIndustry(Industry *i)
+{
+	int index = i - _industries;
+	
+	BEGIN_TILE_LOOP(tile_cur,	i->width, i->height, i->xy);
+		if (IS_TILETYPE(tile_cur, MP_INDUSTRY)) {
+			if (_map2[tile_cur] == (byte)index) {
+				DoClearSquare(tile_cur);
+			}
+		} else if (IS_TILETYPE(tile_cur, MP_STATION) && _map5[tile_cur] == 0x4B) {
+			DeleteOilRig(tile_cur);
+		}
+	END_TILE_LOOP(tile_cur,	i->width, i->height, i->xy);
+	
+	i->xy = 0;
+	_industry_sort_dirty = true;
+	DeleteSubsidyWithIndustry(index);
+	DeleteWindowById(WC_INDUSTRY_VIEW, index);
+	InvalidateWindow(WC_INDUSTRY_DIRECTORY, 0);
+}
+
+static const byte _plantfarmfield_type[] = {1, 1, 1, 1, 1, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6};
+
+static bool IsBadFarmFieldTile(uint tile)
+{
+	if (IS_TILETYPE(tile,MP_CLEAR)) {
+		byte m5 = _map5[tile] & 0x1C;
+		if (m5 == 0xC || m5 == 0x10)
+			return true;
+		return false;
+	} else if (IS_TILETYPE(tile,MP_TREES)) {
+		return false;
+	} else {
+		return true;
+	}
+}
+
+static bool IsBadFarmFieldTile2(uint tile)
+{
+	if (IS_TILETYPE(tile,MP_CLEAR)) {
+		byte m5 = _map5[tile] & 0x1C;
+		if (m5 == 0x10)
+			return true;
+		return false;
+	} else if (IS_TILETYPE(tile,MP_TREES)) {
+		return false;
+	} else {
+		return true;
+	}
+}
+
+static void SetupFarmFieldFence(uint tile, int size, byte type, int direction)
+{
+	byte or, and;
+
+	do {
+		tile = TILE_MASK(tile);
+		
+		if (IS_TILETYPE(tile, MP_CLEAR) || IS_TILETYPE(tile, MP_TREES)) {
+			
+			or = type;
+			if (or == 1 && (uint16)Random() <= 9362) or = 2;
+
+			or <<= 2;
+			and = (byte)~0x1C;
+			if (direction) {
+				or <<= 3;
+				and = (byte)~0xE0;
+			}
+			_map3_hi[tile] = (_map3_hi[tile] & and) | or;
+		}
+		
+		tile += direction ? TILE_XY(0,1) : TILE_XY(1,0);
+	} while (--size);
+}
+
+static void PlantFarmField(uint tile)
+{
+	uint size_x, size_y;
+	uint32 r;
+	int count;
+	int type, type2;
+
+	if (_opt.landscape == LT_HILLY) {
+		if (GetTileZ(tile) >= (_opt.snow_line - 16))
+			return;
+	}
+
+	/* determine field size */
+	r = (Random() & 0x303) + 0x404;
+	if (_opt.landscape == LT_HILLY) r += 0x404;
+	size_x = (byte)r;
+	size_y = r >> 8;
+
+	/* offset tile to match size */
+	tile = tile - TILE_XY(size_x>>1, size_y>>1);
+	
+	/* check the amount of bad tiles */
+	count = 0;
+	BEGIN_TILE_LOOP(cur_tile, size_x, size_y, tile)
+		cur_tile = TILE_MASK(cur_tile);
+		count += IsBadFarmFieldTile(cur_tile);
+	END_TILE_LOOP(cur_tile, size_x, size_y, tile)
+	if ((uint)(count * 2) >= size_x * size_y)
+		return;
+
+	/* determine type of field */
+	r = Random();
+	type = ((r & 0xE0) | 0xF);
+	type2 = ((byte)(r >> 8) * 9) >> 8;
+
+	/* make field */
+	BEGIN_TILE_LOOP(cur_tile, size_x, size_y, tile)
+		cur_tile = TILE_MASK(cur_tile);
+		if (!IsBadFarmFieldTile2(cur_tile)) {
+			ModifyTile(cur_tile, 
+				MP_SETTYPE(MP_CLEAR) | 
+				MP_MAP2_CLEAR | MP_MAP3LO | MP_MAP3HI_CLEAR | MP_MAPOWNER | MP_MAP5,
+				type2,			/* map3_lo */
+				OWNER_NONE,	/* map_owner */
+				type);			/* map5 */
+		}
+	END_TILE_LOOP(cur_tile, size_x, size_y, tile)
+	
+	type = 3;
+	if (_opt.landscape != LT_HILLY && _opt.landscape != LT_DESERT) {
+		type = _plantfarmfield_type[Random() & 0xF];
+	}
+
+	SetupFarmFieldFence(tile-TILE_XY(1,0), size_y, type, 1);
+	SetupFarmFieldFence(tile-TILE_XY(0,1), size_x, type, 0);
+	SetupFarmFieldFence(tile+TILE_XY(1,0) * (size_x-1), size_y, type, 1);
+	SetupFarmFieldFence(tile+TILE_XY(0,1) * (size_y-1), size_x, type, 0);
+}
+
+static void MaybePlantFarmField(Industry *i)
+{
+	uint tile;
+	if (CHANCE16(1,8)) {
+		tile = TileAddWrap(i->xy, TILE_XY(i->width>>1, i->height>>1) + (Random()&TILE_XY(31,31))-TILE_XY(16,16));
+		if (tile != TILE_WRAPPED)
+			PlantFarmField(tile);
+	}	
+}
+
+static void ChopLumberMillTrees(Industry *i)
+{
+	static const TileIndexDiff _chop_dir[4] = { TILE_XY(0,1), TILE_XY(1,0), TILE_XY(0,-1), TILE_XY(-1,0) };
+	
+	uint tile = i->xy;
+	int dir, a, j;
+
+	if ((_map_owner[tile] & 0x80) == 0)
+		return;
+
+	/* search outwards as a rectangular spiral */
+	for(a=1; a!=41; a+=2) {
+		for(dir=0; dir!=4; dir++) {
+			j = a;
+			do {
+				tile = TILE_MASK(tile);
+				if (IS_TILETYPE(tile, MP_TREES)) {
+					/* found a tree */
+
+					_current_player = OWNER_NONE;
+					_industry_sound_ctr = 1;
+					_industry_sound_tile = tile;
+					SndPlayTileFx(56, tile);
+
+					DoCommandByTile(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
+					SetMapExtraBits(tile, 0);
+
+					i->cargo_waiting[0] = min(0xffff, i->cargo_waiting[0] + 45);
+					return;
+				}
+				tile += _chop_dir[dir];
+			} while (--j);
+		}
+		tile -= TILE_XY(1,1);
+	}
+}
+
+static const byte _industry_sounds[37][2] = {
+	{0},
+	{0},
+	{1,38},
+	{0},
+	{0},
+	{0},
+	{1,1},
+	{1,1},
+	{0},
+	{3,34},
+	{0},
+	{0},
+	{0},
+	{0},
+	{1,38},
+	{0},
+	{0},
+	{0},
+	{0},
+	{0},
+	{0},
+	{0},
+	{0},
+	{1,1},
+	{0},
+	{0},
+	{0},
+	{0},
+	{0},
+	{0},
+	{0},
+	{0},
+	{1,51},
+	{0},
+	{0},
+	{0},
+	{0},
+};
+
+
+static void ProduceIndustryGoods(Industry *i)
+{
+	uint32 r;
+	uint num;
+
+	/* play a sound? */
+	if ((i->counter & 0x3F) == 0) {
+		if (CHANCE16R(1,14,r) && (num=_industry_sounds[i->type][0]) != 0) {
+			SndPlayTileFx(
+				_industry_sounds[i->type][1] + (((r >> 16) * num) >> 16),
+				i->xy);
+		}
+	}
+
+	i->counter--;
+
+	/* produce some cargo */
+	if ((i->counter & 0xFF) == 0) {
+		i->cargo_waiting[0] = min(0xffff, i->cargo_waiting[0] + i->production_rate[0]);
+		i->cargo_waiting[1] = min(0xffff, i->cargo_waiting[1] + i->production_rate[1]);
+
+		if (i->type == IT_FARM)
+			MaybePlantFarmField(i);
+		else if (i->type == IT_LUMBER_MILL && (i->counter & 0x1FF) == 0)
+			ChopLumberMillTrees(i);
+	}
+}
+
+void OnTick_Industry()
+{
+	Industry *i;
+
+	if (_industry_sound_ctr != 0) {
+		_industry_sound_ctr++;
+
+		if (_industry_sound_ctr == 75) {
+			SndPlayTileFx(55, _industry_sound_tile); 
+		} else if (_industry_sound_ctr == 160) {
+			_industry_sound_ctr = 0;	
+			SndPlayTileFx(54, _industry_sound_tile);
+		}
+	}
+
+	if (_game_mode == GM_EDITOR)
+		return;
+
+	for(i=_industries; i != endof(_industries); i++) {
+		if (i->xy != 0)
+			ProduceIndustryGoods(i);
+	}
+}
+
+
+static bool CheckNewIndustry_NULL(uint tile, int type)
+{
+	return true;
+}
+
+static bool CheckNewIndustry_Forest(uint tile, int type)
+{
+	if (_opt.landscape == LT_HILLY) {
+		if (GetTileZ(tile) < (_opt.snow_line + 16) ) {
+			_error_message = STR_4831_FOREST_CAN_ONLY_BE_PLANTED;
+			return false;
+		}
+	}
+	return true;
+}
+
+static bool CheckNewIndustry_Oilwell(uint tile, int type)
+{
+	int x,y;
+	if (type != IT_OIL_RIG && _game_mode == GM_EDITOR)
+		return true;
+
+	x = GET_TILE_X(tile);
+	y = GET_TILE_Y(tile);
+
+	if ( x < 15 || y < 15 || x > 238 || y > 238)
+		return true;
+
+	_error_message = STR_483B_CAN_ONLY_BE_POSITIONED;
+	return false;
+}
+
+static bool CheckNewIndustry_Farm(uint tile, int type)
+{
+	if (_opt.landscape == LT_HILLY) {
+		if (GetTileZ(tile) >= (_opt.snow_line - 16)) {
+			_error_message = STR_0239_SITE_UNSUITABLE;
+			return false;
+		}
+	}
+	return true;
+}
+
+static bool CheckNewIndustry_Plantation(uint tile, int type)
+{
+	if (GetMapExtraBits(tile) == 1) {
+		_error_message = STR_0239_SITE_UNSUITABLE;
+		return false;
+	}
+
+	return true;
+}
+
+static bool CheckNewIndustry_Water(uint tile, int type)
+{
+	if (GetMapExtraBits(tile) != 1) {
+		_error_message = STR_0318_CAN_ONLY_BE_BUILT_IN_DESERT;
+		return false;
+	}
+
+	return true;
+}
+
+static bool CheckNewIndustry_Lumbermill(uint tile, int type)
+{
+	if (GetMapExtraBits(tile) != 2) {
+		_error_message = STR_0317_CAN_ONLY_BE_BUILT_IN_RAINFOREST;
+		return false;
+	}
+	return true;
+}
+
+static bool CheckNewIndustry_BubbleGen(uint tile, int type)
+{
+	if (GetTileZ(tile) > 32) {
+		return false;
+	}
+	return true;
+}
+
+typedef bool CheckNewIndustryProc(uint tile, int type);
+static CheckNewIndustryProc * const _check_new_industry_procs[] = {
+	CheckNewIndustry_NULL,
+	CheckNewIndustry_Forest,
+	CheckNewIndustry_Oilwell,
+	CheckNewIndustry_Farm,
+	CheckNewIndustry_Plantation,
+	CheckNewIndustry_Water,
+	CheckNewIndustry_Lumbermill,
+	CheckNewIndustry_BubbleGen,
+};
+
+static bool CheckSuitableIndustryPos(uint tile)
+{
+	int x = GET_TILE_X(tile);
+	int y = GET_TILE_Y(tile);
+
+	if ( x < 2 || y < 2 || x > TILE_X_MAX - 3 || y > TILE_Y_MAX - 3) {
+		_error_message = STR_0239_SITE_UNSUITABLE;
+		return false;
+	}
+
+	return true;
+}
+
+static Town *CheckMultipleIndustryInTown(uint tile, int type)
+{
+	Town *t;
+	Industry *i;
+
+	t = ClosestTownFromTile(tile, (uint)-1);
+	
+	if (_patches.multiple_industry_per_town)
+		return t;
+
+	for(i=_industries; i != endof(_industries); i++) {
+		if (i->xy != 0 &&
+				i->type == (byte)type &&
+				i->town == t) {
+			_error_message = STR_0287_ONLY_ONE_ALLOWED_PER_TOWN;
+			return NULL;
+		}
+	}
+
+	return t;
+}
+
+static const byte _industry_map5_bits[] = {
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 4, 2, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 4, 2, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16, 16,
+	16, 16, 16, 16, 16, 16, 16,
+};
+
+static bool CheckIfIndustryTilesAreFree(uint tile, const IndustryTileTable *it, int type, Town *t)
+{
+	TileInfo ti;
+	uint cur_tile;
+
+	_error_message = STR_0239_SITE_UNSUITABLE;
+
+	do {
+		cur_tile = tile + it->ti;
+		if (!IsValidTile(cur_tile)) {
+			if (it->map5 == 0xff)
+				continue;
+			return false;
+		}
+			
+		FindLandscapeHeightByTile(&ti, cur_tile);
+		
+		if (it->map5 == 0xFF) {
+			if (ti.type != MP_WATER || ti.tileh != 0)
+				return false;
+		} else {
+			if (!EnsureNoVehicle(cur_tile))
+				return false;
+
+			if (type == IT_OIL_RIG)  {
+				if (ti.type != MP_WATER || ti.map5 != 0)
+					return false;
+			} else {
+				if (ti.type == MP_WATER && ti.map5 == 0)
+					return false;
+				if (ti.tileh & 0x10)
+					return false;
+
+				if (ti.tileh != 0) {
+					int t;
+					byte bits = _industry_map5_bits[it->map5];
+
+					if (bits & 0x10)
+						return false;
+					
+					t = ~ti.tileh;
+
+					if (bits & 1 && (t & (1+8)))
+						return false;
+
+					if (bits & 2 && (t & (4+8)))
+						return false;
+
+					if (bits & 4 && (t & (1+2)))
+						return false;
+
+					if (bits & 8 && (t & (2+4)))
+						return false;
+				}
+
+				if (type == IT_BANK) {
+					if (ti.type != MP_HOUSE || t->population < 1200) {
+						_error_message = STR_029D_CAN_ONLY_BE_BUILT_IN_TOWNS;
+						return false;
+					}
+				} else if (type == IT_BANK_2) {
+					if (ti.type != MP_HOUSE) {
+						_error_message = STR_030D_CAN_ONLY_BE_BUILT_IN_TOWNS;
+						return false;
+					}
+				} else if (type == IT_TOY_SHOP) {
+					if (GetTileDist1D(t->xy, cur_tile) > 9)
+						return false;
+					if (ti.type != MP_HOUSE) goto do_clear;
+				} else if (type == IT_WATER_TOWER) {
+					if (ti.type != MP_HOUSE) {
+						_error_message = STR_0316_CAN_ONLY_BE_BUILT_IN_TOWNS;
+						return false;
+					}					
+				} else {
+do_clear:
+					if (DoCommandByTile(cur_tile, 0, 0, DC_AUTO, CMD_LANDSCAPE_CLEAR) == CMD_ERROR)
+						return false;
+				}
+			}
+		}
+	} while ( (++it)->ti != -0x8000);
+
+	return true;
+}
+
+static bool CheckIfTooCloseToIndustry(uint tile, int type)
+{
+	Industry *i;
+	const IndustrySpec *spec;
+	spec = &_industry_spec[type];
+
+	// accepting industries won't be close, not even with patch
+	if (_patches.same_industry_close && (spec->accepts_cargo[0] == 0xFF) )
+		return true;
+	
+	for(i=_industries; i != endof(_industries); i++) {
+		// check if an industry that accepts the same goods is nearby
+		if (i->xy != 0 &&
+				(GetTileDist1D(tile, i->xy) <= 14) &&
+				spec->accepts_cargo[0] != 0xFF &&
+				spec->accepts_cargo[0] == i->accepts_cargo[0]) {
+				_error_message = STR_INDUSTRY_TOO_CLOSE;
+				return false;
+				}
+
+		// check "not close to" field.
+		if (i->xy != 0 &&
+				(i->type == spec->a || i->type == spec->b || i->type == spec->c) &&
+				GetTileDist1D(tile, i->xy) <= 14) {
+			_error_message = STR_INDUSTRY_TOO_CLOSE;
+			return false;
+		}
+	}
+	return true;
+}
+
+static Industry *AllocateIndustry()
+{
+	Industry *i;
+
+	for(i=_industries; i != endof(_industries); i++) {
+		if (i->xy == 0) {
+			int index = i - _industries;
+		    if (index > _total_industries) _total_industries++;
+			return i;
+		}
+	}
+	return NULL;
+}
+
+static void DoCreateNewIndustry(Industry *i, uint tile, int type, const IndustryTileTable *it, Town *t, byte owner)
+{
+	const IndustrySpec *spec;
+	uint32 r;
+	uint cur_tile;
+	int j;
+
+	i->xy = tile;
+	i->width = i->height = 0;
+	i->type = type;
+
+	spec = &_industry_spec[type];
+
+	i->produced_cargo[0] = spec->produced_cargo[0];
+	i->produced_cargo[1] = spec->produced_cargo[1];
+	i->accepts_cargo[0] = spec->accepts_cargo[0];
+	i->accepts_cargo[1] = spec->accepts_cargo[1];
+	i->accepts_cargo[2] = spec->accepts_cargo[2];
+	i->production_rate[0] = spec->production_rate[0];
+	i->production_rate[1] = spec->production_rate[1];
+
+	if (_patches.smooth_economy) {
+		i->production_rate[0] = min((RandomRange(256) + 128) * i->production_rate[0] >> 8 , 255);
+		i->production_rate[1] = min((RandomRange(256) + 128) * i->production_rate[1] >> 8 , 255);
+	}
+
+	i->town = t;
+	i->owner = owner;
+
+	r = Random() & 0xFFF;
+	i->color_map = (byte)(r >> 8);
+	i->counter = (uint16)r;
+	i->cargo_waiting[0] = 0;
+	i->cargo_waiting[1] = 0;
+	i->last_mo_production[0] = 0;
+	i->last_mo_production[1] = 0;
+	i->last_mo_transported[0] = 0;
+	i->last_mo_transported[1] = 0;
+	i->pct_transported[0] = 0;
+	i->pct_transported[1] = 0;
+	i->total_transported[0] = 0;
+	i->total_transported[1] = 0;
+	i->was_cargo_delivered = false;
+	i->last_prod_year = _cur_year;
+	i->total_production[0] = i->production_rate[0] * 8;
+	i->total_production[1] = i->production_rate[1] * 8;
+
+	if (_generating_world == 0)
+		i->total_production[0] = i->total_production[1] = 0;
+	
+	i->prod_level = 0x10;
+
+	do {
+		cur_tile = tile + it->ti;
+
+		if (it->map5 != 0xFF) {
+			byte size;
+
+			size = GET_TILE_X((TileIndex)it->ti);
+			if (size > i->width) i->width = size;
+			size = GET_TILE_Y((TileIndex)it->ti);
+			if (size > i->height)i->height = size;
+
+			DoCommandByTile(cur_tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
+
+			_map_type_and_height[cur_tile] = (_map_type_and_height[cur_tile]&~0xF0) | (MP_INDUSTRY<<4);
+			_map5[cur_tile] = it->map5;
+			_map2[cur_tile] = i - _industries;
+			_map_owner[cur_tile] = _generating_world ? 0x1E : 0; /* maturity */
+		}
+	} while ( (++it)->ti != -0x8000);
+
+	i->width++;
+	i->height++;
+
+	if (i->type == IT_FARM || i->type == IT_FARM_2) {
+		tile = i->xy + TILE_XY((i->width >> 1), (i->height >> 1));
+		for(j=0; j!=50; j++) {
+			uint new_tile = TileAddWrap(tile, (Random() & TILE_XY(31,31)) - TILE_XY(16,16));
+			if (new_tile != TILE_WRAPPED)
+				PlantFarmField(new_tile);
+		}	
+	}
+	_industry_sort_dirty = true;
+	InvalidateWindow(WC_INDUSTRY_DIRECTORY, 0);
+}
+
+/* p1 = industry type 0-36 */
+int32 CmdBuildIndustry(int x, int y, uint32 flags, uint32 p1, uint32 p2)
+{
+	uint tile = TILE_FROM_XY(x,y);
+	Town *t;
+	int num;
+	const IndustryTileTable * const *itt;
+	const IndustryTileTable *it;
+	Industry *i;
+	const IndustrySpec *spec;
+
+	SET_EXPENSES_TYPE(EXPENSES_OTHER);
+
+	if (!CheckSuitableIndustryPos(tile))
+		return CMD_ERROR;
+
+	spec = &_industry_spec[p1];
+
+	if (!_check_new_industry_procs[spec->check_proc](tile, p1))
+		return CMD_ERROR;
+
+	if ((t=CheckMultipleIndustryInTown(tile, p1)) == NULL)
+		return CMD_ERROR;
+	
+	num = spec->num_table;
+	itt = spec->table;
+
+	do {
+		if (--num < 0)
+			return_cmd_error(STR_0239_SITE_UNSUITABLE);
+	} while (!CheckIfIndustryTilesAreFree(tile, it=itt[num], p1, t));
+
+
+	if (!CheckIfTooCloseToIndustry(tile, p1))
+		return CMD_ERROR;
+
+	if ( (i = AllocateIndustry()) == NULL)
+		return CMD_ERROR;
+
+	if (flags & DC_EXEC)
+		DoCreateNewIndustry(i, tile, p1, it, t, 0x10);
+	
+	return (_price.build_industry >> 5) * _industry_type_costs[p1];
+}
+
+
+Industry *CreateNewIndustry(uint tile, int type)
+{
+	Town *t;
+	const IndustryTileTable *it;
+	Industry *i;
+
+	const IndustrySpec *spec;
+
+	if (!CheckSuitableIndustryPos(tile))
+		return NULL;
+
+	spec = &_industry_spec[type];
+
+	if (!_check_new_industry_procs[spec->check_proc](tile, type))
+		return NULL;
+
+	if (!(t=CheckMultipleIndustryInTown(tile, type)))
+		return NULL;
+
+	/* pick a random layout */
+	it = spec->table[(spec->num_table * (uint16)Random()) >> 16];
+
+	if (!CheckIfIndustryTilesAreFree(tile, it, type, t))
+		return NULL;
+
+	if (!CheckIfTooCloseToIndustry(tile, type))
+		return NULL;
+
+	if ( (i = AllocateIndustry()) == NULL)
+		return NULL;
+
+	DoCreateNewIndustry(i, tile, type, it, t, 0x10);
+	
+	return i;
+}
+
+static const byte _numof_industry_table[3][12] = {
+	{0, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5},
+	{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
+	{0, 2, 3, 4, 6, 7, 8, 9, 10, 10, 10},
+};
+
+static void PlaceInitialIndustry(byte type, int amount)
+{
+	int num = _numof_industry_table[_opt.diff.number_industries][amount];
+
+	assert(num > 0);
+
+	do {
+		int i = 2000;
+		do {
+			if (CreateNewIndustry(TILE_MASK(Random()), type) != NULL)
+				break; 
+		} while (--i != 0);
+	} while (--num);
+}
+
+void GenerateIndustries()
+{
+	const byte *b;
+
+	b = _industry_create_table[_opt.landscape];
+	do {
+		PlaceInitialIndustry(b[1], b[0]);
+	} while ( (b+=2)[0] != 0);
+}
+
+static void ExtChangeIndustryProduction(Industry *i)
+{
+	bool closeit;
+	int j;
+
+	if (_industry_close_mode[i->type] == 0) return;
+
+	closeit = true;
+
+	if (_industry_close_mode[i->type] == 2) {
+		if ( (byte)(_cur_year - i->last_prod_year) < 5 || !CHANCE16(1,180))
+			closeit = false;
+	} else {
+		for (j=0; j != 2 && i->produced_cargo[j]!=255; j++){
+			uint32 r;
+			int change,percent,old;
+			int mag;
+
+			change = old = i->production_rate[j];
+			if (CHANCE16R(20,1024,r))change -= ((RandomRange(50) + 10)*old) >> 8;
+			if (CHANCE16I(20+(i->pct_transported[j]*20>>8),1024,r>>16)) change += ((RandomRange(50) + 10)*old) >> 8;
+			
+			// make sure it doesn't exceed 255 or goes below 0
+			change = clamp(change, 0, 255);
+			if (change == old) {
+				closeit = false;
+				continue;
+			}
+
+			percent = change*100/old - 100;
+			i->production_rate[j] = change;
+
+			if (change >= _industry_spec[i->type].production_rate[j]/4)
+				closeit = false;
+				
+			mag = abs(percent);
+			if (mag >= 10) {
+				SET_DPARAM16(3, mag);
+				SET_DPARAM16(0,_cargoc.names_s[i->produced_cargo[j]]);
+				SET_DPARAM16(1, i->town->index);
+				SET_DPARAM16(2, i->type + STR_4802_COAL_MINE);
+				AddNewsItem(percent>=0 ? STR_INDUSTRY_PROD_GOUP : STR_INDUSTRY_PROD_GODOWN, 
+						NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_TILE, NT_ECONOMY, 0),
+						i->xy + TILE_XY(1,1), 0);
+			}
+		}
+	}
+
+	if (closeit) {
+		i->prod_level = 0;
+		SET_DPARAM16(1, i->type + STR_4802_COAL_MINE);
+		SET_DPARAM16(0, i->town->index);
+		AddNewsItem(_industry_close_strings[i->type], NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_TILE, NT_ECONOMY, 0), i->xy + TILE_XY(1,1), 0);
+	}
+}
+
+
+static void UpdateIndustryStatistics(Industry *i)
+{
+	byte pct;
+	
+	if (i->produced_cargo[0] != 0xFF) {		
+		pct = 0;
+		if (i->last_mo_production[0] != 0) {
+			i->last_prod_year = _cur_year;
+			pct = min(i->last_mo_transported[0] * 256 / i->last_mo_production[0],255);
+		} 
+		i->pct_transported[0] = pct;
+
+		i->total_production[0] = i->last_mo_production[0];
+		i->last_mo_production[0] = 0;
+
+		i->total_transported[0] = i->last_mo_transported[0];
+		i->last_mo_transported[0] = 0;
+	}
+
+	if (i->produced_cargo[1] != 0xFF) {
+		pct = 0;
+		if (i->last_mo_production[1] != 0) {
+			i->last_prod_year = _cur_year;
+			pct = min(i->last_mo_transported[1] * 256 / i->last_mo_production[1],255);
+		} 
+		i->pct_transported[1] = pct;
+
+		i->total_production[1] = i->last_mo_production[1];
+		i->last_mo_production[1] = 0;
+
+		i->total_transported[1] = i->last_mo_transported[1];
+		i->last_mo_transported[1] = 0;
+	}
+
+
+	if ( i->produced_cargo[0] != 0xFF || i->produced_cargo[1] != 0xFF )
+		InvalidateWindow(WC_INDUSTRY_VIEW, i - _industries);
+
+	if (i->prod_level == 0)
+		DeleteIndustry(i);
+	else if (_patches.smooth_economy)
+		ExtChangeIndustryProduction(i);
+}
+
+static const byte _new_industry_rand[4][32] = {
+	{12,12,12,12,12,12,12, 0, 0, 6, 6, 9, 9, 3, 3, 3,18,18, 4, 4, 2, 2, 5, 5, 5, 5, 5, 5, 1, 1, 8, 8},
+	{16,16,16, 0, 0, 0, 9, 9, 9, 9,13,13, 3, 3, 3, 3,15,15,15, 4, 4,11,11,11,11,11,14,14, 1, 1, 7, 7},
+	{21,21,21,24,22,22,22,22,23,23,12,12,12, 4, 4,19,19,19,13,13,20,20,20,11,11,11,17,17,17,10,10,10},
+	{30,30,30,36,36,31,31,31,27,27,27,28,28,28,26,26,26,34,34,34,35,35,35,29,29,29,32,32,32,33,33,33},
+};
+
+static void MaybeNewIndustry(uint32 r)
+{
+	int type;
+	int j;
+	Industry *i;
+
+	type = _new_industry_rand[_opt.landscape][(r >> 16) & 0x1F];
+	if (type == IT_OIL_WELL && _date > 10958)
+		return;
+
+	if (type == IT_OIL_RIG && _date < 14610)
+		return;
+
+	j = 2000;
+	_current_player = OWNER_NONE;
+	for(;;) {
+		i = CreateNewIndustry(TILE_MASK(Random()), type);
+		if (i != NULL)
+			break;
+		if (--j == 0)
+			return;
+	}
+
+	SET_DPARAM16(0, type + STR_4802_COAL_MINE);
+	SET_DPARAM16(1, i->town->index);
+	AddNewsItem(	STR_482D_NEW_UNDER_CONSTRUCTION + (type == IT_FOREST), NEWS_FLAGS(NM_THIN,NF_VIEWPORT|NF_TILE,NT_ECONOMY,0), i->xy, 0);
+}
+
+static void MaybeCloseIndustry(Industry *i)
+{
+	uint32 r;
+	StringID str;
+	int type = i->type;
+			
+	if (_industry_close_mode[type] == 1) {
+		/* decrease or increase */
+		if (type == IT_OIL_WELL && _opt.landscape == LT_NORMAL) goto decrease_production;
+		if (CHANCE16I(1,3,r=Random())) {
+			if ((i->pct_transported[0] > 153) ^ CHANCE16I(1,3,r>>16)) {
+
+/* Increase production */
+				if (i->prod_level != 0x80) {
+					byte b;
+
+					i->prod_level <<= 1;
+					
+					b = i->production_rate[0]*2;
+					if (i->production_rate[0] >= 128) b=255;
+					i->production_rate[0] = b;
+					b = i->production_rate[1]*2;
+					if (i->production_rate[1] >= 128) b=255;
+					i->production_rate[1] = b;
+					
+					str = _industry_prod_up_strings[type];
+					goto add_news;
+				}
+			} else {
+decrease_production:
+
+/* Decrease production */
+				if (i->prod_level == 4) goto close_industry;
+				i->prod_level>>=1;
+				i->production_rate[0] = (i->production_rate[0]+1) >> 1;
+				i->production_rate[1] = (i->production_rate[1]+1) >> 1;
+
+				str = _industry_prod_down_strings[type];
+				goto add_news;
+			}
+		} 
+	} else if (_industry_close_mode[type] > 1) {
+		/* maybe close */
+		if ( (byte)(_cur_year - i->last_prod_year) >= 5 && CHANCE16(1,2)) {
+close_industry:
+			i->prod_level = 0;
+			str = _industry_close_strings[type];
+add_news:
+			SET_DPARAM16(1, type + STR_4802_COAL_MINE);
+			SET_DPARAM16(0, i->town->index);
+			AddNewsItem(str, NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_TILE, NT_ECONOMY, 0), i->xy + TILE_XY(1,1), 0);
+		}
+	}
+}
+
+void IndustryMonthlyLoop()
+{
+	Industry *i;
+
+	for(i=_industries; i != endof(_industries); i++) {
+		if (i->xy != 0)
+			UpdateIndustryStatistics(i);
+	}
+
+	i = DEREF_INDUSTRY(RandomRange(lengthof(_industries)));
+
+	if (i->xy == 0) {
+		uint32 r;
+		if (CHANCE16I(1,9,r=Random()))
+			MaybeNewIndustry(r);
+	} else if (!_patches.smooth_economy) {
+		MaybeCloseIndustry(i);
+	}
+	// production-change
+	_industry_sort_dirty = true;
+	InvalidateWindow(WC_INDUSTRY_DIRECTORY, 0);
+}
+
+
+void InitializeIndustries()
+{
+	memset(_industries, 0, sizeof(_industries));
+	_total_industries = 0;
+	_industry_sort_dirty = true;
+}
+
+const TileTypeProcs _tile_type_industry_procs = {
+	DrawTile_Industry,					/* draw_tile_proc */
+	GetSlopeZ_Industry,					/* get_slope_z_proc */
+	ClearTile_Industry,					/* clear_tile_proc */
+	GetAcceptedCargo_Industry,	/* get_accepted_cargo_proc */
+	GetTileDesc_Industry,				/* get_tile_desc_proc */
+	GetTileTrackStatus_Industry,/* get_tile_track_status_proc */
+	ClickTile_Industry,					/* click_tile_proc */
+	AnimateTile_Industry,				/* animate_tile_proc */
+	TileLoop_Industry,					/* tile_loop_proc */
+	ChangeTileOwner_Industry,		/* change_tile_owner_proc */
+	GetProducedCargo_Industry,  /* get_produced_cargo_proc */
+	NULL,												/* vehicle_enter_tile_proc */
+	NULL,												/* vehicle_leave_tile_proc */
+};
+
+static const byte _industry_desc[] = {
+	SLE_VAR(Industry,xy,							SLE_UINT16),
+	SLE_VAR(Industry,width,						SLE_UINT8),
+	SLE_VAR(Industry,height,					SLE_UINT8),
+	SLE_REF(Industry,town,						REF_TOWN),
+	SLE_ARR(Industry,produced_cargo,  SLE_UINT8, 2),
+	SLE_ARR(Industry,cargo_waiting,   SLE_UINT16, 2),
+	SLE_ARR(Industry,production_rate, SLE_UINT8, 2),
+	SLE_ARR(Industry,accepts_cargo,		SLE_UINT8, 3),
+	SLE_VAR(Industry,prod_level,			SLE_UINT8),
+	SLE_ARR(Industry,last_mo_production,SLE_UINT16, 2),
+	SLE_ARR(Industry,last_mo_transported,SLE_UINT16, 2),
+	SLE_ARR(Industry,pct_transported,SLE_UINT8, 2),
+	SLE_ARR(Industry,total_production,SLE_UINT16, 2),
+	SLE_ARR(Industry,total_transported,SLE_UINT16, 2),
+
+	SLE_VAR(Industry,counter,					SLE_UINT16),
+
+	SLE_VAR(Industry,type,						SLE_UINT8),
+	SLE_VAR(Industry,owner,						SLE_UINT8),
+	SLE_VAR(Industry,color_map,				SLE_UINT8),
+	SLE_VAR(Industry,last_prod_year,	SLE_UINT8),
+	SLE_VAR(Industry,was_cargo_delivered,SLE_UINT8),
+
+	// reserve extra space in savegame here. (currently 32 bytes)
+	SLE_CONDARR(NullStruct,null,SLE_FILE_U64 | SLE_VAR_NULL, 4, 2, 255),
+
+	SLE_END()
+};
+
+static void Save_INDY()
+{
+	Industry *ind;
+	int i;
+	// Write the vehicles
+	for(ind=_industries,i=0; i!=lengthof(_industries); ind++,i++) {
+		if (ind->xy != 0) {
+			SlSetArrayIndex(i);
+			SlObject(ind, _industry_desc);
+		}
+	}
+}
+
+static void Load_INDY()
+{
+	int index;
+	_total_industries = 0;
+	while ((index = SlIterateArray()) != -1) {
+		SlObject(DEREF_INDUSTRY(index), _industry_desc);
+		if (index + 1 > _total_industries)
+		    _total_industries = index + 1;
+	}
+}
+
+const ChunkHandler _industry_chunk_handlers[] = {
+	{ 'INDY', Save_INDY, Load_INDY, CH_ARRAY | CH_LAST},
+};
+