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/* $Id$ */
/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file newgrf_object.h Functions related to NewGRF objects. */
#ifndef NEWGRF_OBJECT_H
#define NEWGRF_OBJECT_H
#include "newgrf_callbacks.h"
#include "economy_func.h"
#include "tile_cmd.h"
#include "object_type.h"
#include "newgrf_animation_type.h"
#include "newgrf_class.h"
#include "newgrf_commons.h"
/** Various object behaviours. */
enum ObjectFlags {
OBJECT_FLAG_NONE = 0, ///< Just nothing.
OBJECT_FLAG_ONLY_IN_SCENEDIT = 1 << 0, ///< Object can only be constructed in the scenario editor.
OBJECT_FLAG_CANNOT_REMOVE = 1 << 1, ///< Object can not be removed.
OBJECT_FLAG_AUTOREMOVE = 1 << 2, ///< Object get automatically removed (like "owned land").
OBJECT_FLAG_BUILT_ON_WATER = 1 << 3, ///< Object can be built on water (not required).
OBJECT_FLAG_CLEAR_INCOME = 1 << 4, ///< When object is cleared a positive income is generated instead of a cost.
OBJECT_FLAG_HAS_NO_FOUNDATION = 1 << 5, ///< Do not display foundations when on a slope.
OBJECT_FLAG_ANIMATION = 1 << 6, ///< Object has animated tiles.
OBJECT_FLAG_ONLY_IN_GAME = 1 << 7, ///< Object can only be built in game.
OBJECT_FLAG_2CC_COLOUR = 1 << 8, ///< Object wants 2CC colour mapping.
OBJECT_FLAG_NOT_ON_LAND = 1 << 9, ///< Object can not be on land, implicitly sets #OBJECT_FLAG_BUILT_ON_WATER.
OBJECT_FLAG_DRAW_WATER = 1 << 10, ///< Object wants to be drawn on water.
OBJECT_FLAG_ALLOW_UNDER_BRIDGE = 1 << 11, ///< Object can built under a bridge.
OBJECT_FLAG_ANIM_RANDOM_BITS = 1 << 12, ///< Object wants random bits in "next animation frame" callback
};
DECLARE_ENUM_AS_BIT_SET(ObjectFlags)
void ResetObjects();
/** Class IDs for objects. */
enum ObjectClassID {
OBJECT_CLASS_BEGIN = 0, ///< The lowest valid value
OBJECT_CLASS_MAX = 32, ///< Maximum number of classes.
INVALID_OBJECT_CLASS = 0xFF, ///< Class for the less fortunate.
};
/** Allow incrementing of ObjectClassID variables */
DECLARE_POSTFIX_INCREMENT(ObjectClassID)
/** An object that isn't use for transport, industries or houses. */
struct ObjectSpec {
/* 2 because of the "normal" and "buy" sprite stacks. */
GRFFilePropsBase<2> grf_prop; ///< Properties related the the grf file
ObjectClassID cls_id; ///< The class to which this spec belongs.
StringID name; ///< The name for this object.
uint8 climate; ///< In which climates is this object available?
uint8 size; ///< The size of this objects; low nibble for X, high nibble for Y.
uint8 build_cost_multiplier; ///< Build cost multiplier per tile.
uint8 clear_cost_multiplier; ///< Clear cost multiplier per tile.
Date introduction_date; ///< From when can this object be built.
Date end_of_life_date; ///< When can't this object be built anymore.
ObjectFlags flags; ///< Flags/settings related to the object.
AnimationInfo animation; ///< Information about the animation.
uint16 callback_mask; ///< Bitmask of requested/allowed callbacks.
uint8 height; ///< The height of this structure, in heightlevels; max MAX_TILE_HEIGHT.
uint8 views; ///< The number of views.
bool enabled; ///< Is this spec enabled?
/**
* Get the cost for building a structure of this type.
* @return The cost for building.
*/
Money GetBuildCost() const { return GetPrice(PR_BUILD_OBJECT, this->build_cost_multiplier, this->grf_prop.grffile, 0); }
/**
* Get the cost for clearing a structure of this type.
* @return The cost for clearing.
*/
Money GetClearCost() const { return GetPrice(PR_CLEAR_OBJECT, this->clear_cost_multiplier, this->grf_prop.grffile, 0); }
bool IsAvailable() const;
uint Index() const;
static const ObjectSpec *Get(ObjectType index);
static const ObjectSpec *GetByTile(TileIndex tile);
};
/** Struct containing information relating to station classes. */
typedef NewGRFClass<ObjectSpec, ObjectClassID, OBJECT_CLASS_MAX> ObjectClass;
/** Mapping of purchase for objects. */
static const CargoID CT_PURCHASE_OBJECT = 1;
uint16 GetObjectCallback(CallbackID callback, uint32 param1, uint32 param2, const ObjectSpec *spec, const Object *o, TileIndex tile, uint8 view = 0);
void DrawNewObjectTile(TileInfo *ti, const ObjectSpec *spec);
void DrawNewObjectTileInGUI(int x, int y, const ObjectSpec *spec, uint8 view);
void AnimateNewObjectTile(TileIndex tile);
void TriggerObjectTileAnimation(const Object *o, TileIndex tile, ObjectAnimationTrigger trigger, const ObjectSpec *spec);
void TriggerObjectAnimation(const Object *o, ObjectAnimationTrigger trigger, const ObjectSpec *spec);
#endif /* NEWGRF_OBJECT_H */
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