 51c0b222cc
			
		
	
	51c0b222cc
	
	
	
		
			
			Use an extra unused bit in m3 to boost the max number of house types from 512 to 1024. So-far everything works, construction stages and animations appear unaffacted by my hubris.
		
			
				
	
	
		
			152 lines
		
	
	
		
			7.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			152 lines
		
	
	
		
			7.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * This file is part of OpenTTD.
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|  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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|  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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|  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| /** @file house.h definition of HouseSpec and accessors */
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| 
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| #ifndef HOUSE_H
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| #define HOUSE_H
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| 
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| #include "cargo_type.h"
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| #include "date_type.h"
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| #include "house_type.h"
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| #include "newgrf_animation_type.h"
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| #include "newgrf_commons.h"
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| 
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| /**
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|  * Simple value that indicates the house has reached the final stage of
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|  * construction.
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|  */
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| static const byte TOWN_HOUSE_COMPLETED = 3;
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| 
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| static const HouseID NUM_HOUSES_PER_GRF = 255;    ///< Number of supported houses per NewGRF; limited to 255 to allow extending Action3 with an extended byte later on.
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| 
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| static const uint HOUSE_NO_CLASS      = 0;
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| static const HouseID NEW_HOUSE_OFFSET = 110;    ///< Offset for new houses.
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| static const HouseID NUM_HOUSES       = 1024;    ///< Total number of houses.
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| static const HouseID INVALID_HOUSE_ID = 0xFFFF;
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| 
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| static const uint HOUSE_NUM_ACCEPTS = 16; ///< Max number of cargoes accepted by a tile
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| 
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| /**
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|  * There can only be as many classes as there are new houses, plus one for
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|  * NO_CLASS, as the original houses don't have classes.
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|  */
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| static const uint HOUSE_CLASS_MAX  = NUM_HOUSES - NEW_HOUSE_OFFSET + 1;
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| 
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| enum BuildingFlags {
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| 	TILE_NO_FLAG         =       0,
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| 	TILE_SIZE_1x1        = 1U << 0,
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| 	TILE_NOT_SLOPED      = 1U << 1,
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| 	TILE_SIZE_2x1        = 1U << 2,
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| 	TILE_SIZE_1x2        = 1U << 3,
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| 	TILE_SIZE_2x2        = 1U << 4,
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| 	BUILDING_IS_ANIMATED = 1U << 5,
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| 	BUILDING_IS_CHURCH   = 1U << 6,
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| 	BUILDING_IS_STADIUM  = 1U << 7,
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| 	BUILDING_HAS_1_TILE  = TILE_SIZE_1x1 | TILE_SIZE_2x1 | TILE_SIZE_1x2 | TILE_SIZE_2x2,
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| 	BUILDING_HAS_2_TILES = TILE_SIZE_2x1 | TILE_SIZE_1x2 | TILE_SIZE_2x2,
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| 	BUILDING_2_TILES_X   = TILE_SIZE_2x1 | TILE_SIZE_2x2,
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| 	BUILDING_2_TILES_Y   = TILE_SIZE_1x2 | TILE_SIZE_2x2,
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| 	BUILDING_HAS_4_TILES = TILE_SIZE_2x2,
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| };
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| DECLARE_ENUM_AS_BIT_SET(BuildingFlags)
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| 
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| enum HouseZonesBits {
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| 	HZB_BEGIN     = 0,
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| 	HZB_TOWN_EDGE = 0,
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| 	HZB_TOWN_OUTSKIRT,
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| 	HZB_TOWN_OUTER_SUBURB,
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| 	HZB_TOWN_INNER_SUBURB,
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| 	HZB_TOWN_CENTRE,
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| 	HZB_END,
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| };
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| static_assert(HZB_END == 5);
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| 
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| DECLARE_POSTFIX_INCREMENT(HouseZonesBits)
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| 
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| enum HouseZones {                  ///< Bit  Value       Meaning
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| 	HZ_NOZNS             = 0x0000,  ///<       0          This is just to get rid of zeros, meaning none
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| 	HZ_ZON1              = 1U << HZB_TOWN_EDGE,    ///< 0..4 1,2,4,8,10  which town zones the building can be built in, Zone1 been the further suburb
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| 	HZ_ZON2              = 1U << HZB_TOWN_OUTSKIRT,
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| 	HZ_ZON3              = 1U << HZB_TOWN_OUTER_SUBURB,
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| 	HZ_ZON4              = 1U << HZB_TOWN_INNER_SUBURB,
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| 	HZ_ZON5              = 1U << HZB_TOWN_CENTRE,  ///<  center of town
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| 	HZ_ZONALL            = 0x001F,  ///<       1F         This is just to englobe all above types at once
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| 	HZ_SUBARTC_ABOVE     = 0x0800,  ///< 11    800        can appear in sub-arctic climate above the snow line
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| 	HZ_TEMP              = 0x1000,  ///< 12   1000        can appear in temperate climate
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| 	HZ_SUBARTC_BELOW     = 0x2000,  ///< 13   2000        can appear in sub-arctic climate below the snow line
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| 	HZ_SUBTROPIC         = 0x4000,  ///< 14   4000        can appear in subtropical climate
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| 	HZ_TOYLND            = 0x8000,  ///< 15   8000        can appear in toyland climate
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| 	HZ_CLIMALL           = 0xF800,  ///< Bitmask of all climate bits
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| };
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| DECLARE_ENUM_AS_BIT_SET(HouseZones)
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| 
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| enum HouseExtraFlags {
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| 	NO_EXTRA_FLAG            =       0,
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| 	BUILDING_IS_HISTORICAL   = 1U << 0,  ///< this house will only appear during town generation in random games, thus the historical
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| 	BUILDING_IS_PROTECTED    = 1U << 1,  ///< towns and AI will not remove this house, while human players will be able to
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| 	SYNCHRONISED_CALLBACK_1B = 1U << 2,  ///< synchronized callback 1B will be performed, on multi tile houses
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| 	CALLBACK_1A_RANDOM_BITS  = 1U << 3,  ///< callback 1A needs random bits
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| };
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| 
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| DECLARE_ENUM_AS_BIT_SET(HouseExtraFlags)
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| 
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| struct HouseSpec {
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| 	/* Standard properties */
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| 	Year min_year;                            ///< introduction year of the house
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| 	Year max_year;                            ///< last year it can be built
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| 	byte population;                          ///< population (Zero on other tiles in multi tile house.)
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| 	byte removal_cost;                        ///< cost multiplier for removing it
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| 	StringID building_name;                   ///< building name
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| 	uint16 remove_rating_decrease;            ///< rating decrease if removed
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| 	byte mail_generation;                     ///< mail generation multiplier (tile based, as the acceptances below)
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| 	byte cargo_acceptance[HOUSE_NUM_ACCEPTS]; ///< acceptance level for the cargo slots
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| 	CargoID accepts_cargo[HOUSE_NUM_ACCEPTS]; ///< input cargo slots
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| 	BuildingFlags building_flags;             ///< some flags that describe the house (size, stadium etc...)
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| 	HouseZones building_availability;         ///< where can it be built (climates, zones)
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| 	bool enabled;                             ///< the house is available to build (true by default, but can be disabled by newgrf)
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| 
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| 	/* NewHouses properties */
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| 	GRFFileProps grf_prop;                    ///< Properties related the the grf file
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| 	uint16 callback_mask;                     ///< Bitmask of house callbacks that have to be called
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| 	byte random_colour[4];                    ///< 4 "random" colours
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| 	byte probability;                         ///< Relative probability of appearing (16 is the standard value)
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| 	HouseExtraFlags extra_flags;              ///< some more flags
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| 	HouseClassID class_id;                    ///< defines the class this house has (not grf file based)
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| 	AnimationInfo animation;                  ///< information about the animation.
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| 	byte processing_time;                     ///< Periodic refresh multiplier
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| 	byte minimum_life;                        ///< The minimum number of years this house will survive before the town rebuilds it
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| 	CargoTypes watched_cargoes;               ///< Cargo types watched for acceptance.
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| 
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| 	Money GetRemovalCost() const;
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| 
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| 	static inline HouseSpec *Get(size_t house_id)
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| 	{
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| 		assert(house_id < NUM_HOUSES);
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| 		extern HouseSpec _house_specs[];
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| 		return &_house_specs[house_id];
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| 	}
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| };
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| 
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| /**
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|  * Do HouseID translation for NewGRFs.
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|  * @param hid the HouseID to get the override for.
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|  * @return the HouseID to actually work with.
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|  */
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| static inline HouseID GetTranslatedHouseID(HouseID hid)
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| {
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| 	const HouseSpec *hs = HouseSpec::Get(hid);
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| 	return hs->grf_prop.override == INVALID_HOUSE_ID ? hid : hs->grf_prop.override;
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| }
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| 
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| StringID GetHouseName(HouseID house, TileIndex tile = INVALID_TILE);
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| void DrawHouseImage(HouseID house_id, int left, int top, int right, int bottom);
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| void AddProducedHouseCargo(HouseID house_id, TileIndex tile, CargoArray &produced);
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| void AddAcceptedHouseCargo(HouseID house_id, TileIndex tile, CargoArray &acceptance, CargoTypes *always_accepted = nullptr);
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| 
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| #endif /* HOUSE_H */
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