68ff3fd062
This to prevent compilation issues between runs with and without precompiled headers. Also remove the headers from the rest of the code base as they are not needed there anymore, although they do relatively little harm.
495 lines
21 KiB
C++
495 lines
21 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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/** @file command_type.h Types related to commands. */
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#ifndef COMMAND_TYPE_H
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#define COMMAND_TYPE_H
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#include "economy_type.h"
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#include "strings_type.h"
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#include "tile_type.h"
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struct GRFFile;
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/**
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* Common return value for all commands. Wraps the cost and
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* a possible error message/state together.
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*/
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class CommandCost {
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ExpensesType expense_type; ///< the type of expence as shown on the finances view
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Money cost; ///< The cost of this action
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StringID message; ///< Warning message for when success is unset
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bool success; ///< Whether the command went fine up to this moment
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const GRFFile *textref_stack_grffile; ///< NewGRF providing the #TextRefStack content.
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uint textref_stack_size; ///< Number of uint32 values to put on the #TextRefStack for the error message.
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StringID extra_message = INVALID_STRING_ID; ///< Additional warning message for when success is unset
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static uint32 textref_stack[16];
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public:
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/**
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* Creates a command cost return with no cost and no error
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*/
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CommandCost() : expense_type(INVALID_EXPENSES), cost(0), message(INVALID_STRING_ID), success(true), textref_stack_grffile(nullptr), textref_stack_size(0) {}
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/**
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* Creates a command return value with one, or optionally two, error message strings.
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*/
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explicit CommandCost(StringID msg, StringID extra_msg = INVALID_STRING_ID) : expense_type(INVALID_EXPENSES), cost(0), message(msg), success(false), textref_stack_grffile(nullptr), textref_stack_size(0), extra_message(extra_msg) {}
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/**
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* Creates a command cost with given expense type and start cost of 0
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* @param ex_t the expense type
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*/
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explicit CommandCost(ExpensesType ex_t) : expense_type(ex_t), cost(0), message(INVALID_STRING_ID), success(true), textref_stack_grffile(nullptr), textref_stack_size(0) {}
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/**
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* Creates a command return value with the given start cost and expense type
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* @param ex_t the expense type
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* @param cst the initial cost of this command
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*/
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CommandCost(ExpensesType ex_t, const Money &cst) : expense_type(ex_t), cost(cst), message(INVALID_STRING_ID), success(true), textref_stack_grffile(nullptr), textref_stack_size(0) {}
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/**
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* Adds the given cost to the cost of the command.
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* @param cost the cost to add
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*/
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inline void AddCost(const Money &cost)
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{
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this->cost += cost;
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}
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void AddCost(const CommandCost &cmd_cost);
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/**
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* Multiplies the cost of the command by the given factor.
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* @param factor factor to multiply the costs with
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*/
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inline void MultiplyCost(int factor)
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{
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this->cost *= factor;
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}
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/**
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* The costs as made up to this moment
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* @return the costs
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*/
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inline Money GetCost() const
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{
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return this->cost;
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}
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/**
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* The expense type of the cost
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* @return the expense type
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*/
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inline ExpensesType GetExpensesType() const
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{
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return this->expense_type;
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}
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/**
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* Makes this #CommandCost behave like an error command.
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* @param message The error message.
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*/
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void MakeError(StringID message, StringID extra_message = INVALID_STRING_ID)
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{
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assert(message != INVALID_STRING_ID);
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this->success = false;
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this->message = message;
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this->extra_message = extra_message;
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}
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void UseTextRefStack(const GRFFile *grffile, uint num_registers);
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/**
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* Returns the NewGRF providing the #TextRefStack of the error message.
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* @return the NewGRF.
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*/
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const GRFFile *GetTextRefStackGRF() const
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{
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return this->textref_stack_grffile;
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}
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/**
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* Returns the number of uint32 values for the #TextRefStack of the error message.
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* @return number of uint32 values.
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*/
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uint GetTextRefStackSize() const
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{
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return this->textref_stack_size;
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}
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/**
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* Returns a pointer to the values for the #TextRefStack of the error message.
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* @return uint32 values for the #TextRefStack
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*/
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const uint32 *GetTextRefStack() const
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{
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return textref_stack;
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}
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/**
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* Returns the error message of a command
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* @return the error message, if succeeded #INVALID_STRING_ID
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*/
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StringID GetErrorMessage() const
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{
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if (this->success) return INVALID_STRING_ID;
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return this->message;
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}
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/**
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* Returns the extra error message of a command
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* @return the extra error message, if succeeded #INVALID_STRING_ID
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*/
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StringID GetExtraErrorMessage() const
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{
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if (this->success) return INVALID_STRING_ID;
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return this->extra_message;
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}
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/**
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* Did this command succeed?
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* @return true if and only if it succeeded
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*/
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inline bool Succeeded() const
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{
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return this->success;
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}
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/**
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* Did this command fail?
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* @return true if and only if it failed
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*/
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inline bool Failed() const
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{
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return !this->success;
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}
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};
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/**
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* List of commands.
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*
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* This enum defines all possible commands which can be executed to the game
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* engine. Observing the game like the query-tool or checking the profit of a
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* vehicle don't result in a command which should be executed in the engine
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* nor send to the server in a network game.
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*
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* @see _command_proc_table
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*/
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enum Commands : uint16 {
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CMD_BUILD_RAILROAD_TRACK, ///< build a rail track
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CMD_REMOVE_RAILROAD_TRACK, ///< remove a rail track
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CMD_BUILD_SINGLE_RAIL, ///< build a single rail track
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CMD_REMOVE_SINGLE_RAIL, ///< remove a single rail track
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CMD_LANDSCAPE_CLEAR, ///< demolish a tile
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CMD_BUILD_BRIDGE, ///< build a bridge
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CMD_BUILD_RAIL_STATION, ///< build a rail station
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CMD_BUILD_TRAIN_DEPOT, ///< build a train depot
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CMD_BUILD_SIGNALS, ///< build a signal
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CMD_REMOVE_SIGNALS, ///< remove a signal
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CMD_TERRAFORM_LAND, ///< terraform a tile
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CMD_BUILD_OBJECT, ///< build an object
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CMD_BUILD_OBJECT_AREA, ///< build an area of objects
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CMD_BUILD_TUNNEL, ///< build a tunnel
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CMD_REMOVE_FROM_RAIL_STATION, ///< remove a (rectangle of) tiles from a rail station
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CMD_CONVERT_RAIL, ///< convert a rail type
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CMD_BUILD_RAIL_WAYPOINT, ///< build a waypoint
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CMD_RENAME_WAYPOINT, ///< rename a waypoint
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CMD_REMOVE_FROM_RAIL_WAYPOINT, ///< remove a (rectangle of) tiles from a rail waypoint
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CMD_BUILD_ROAD_STOP, ///< build a road stop
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CMD_REMOVE_ROAD_STOP, ///< remove a road stop
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CMD_BUILD_LONG_ROAD, ///< build a complete road (not a "half" one)
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CMD_REMOVE_LONG_ROAD, ///< remove a complete road (not a "half" one)
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CMD_BUILD_ROAD, ///< build a "half" road
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CMD_BUILD_ROAD_DEPOT, ///< build a road depot
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CMD_CONVERT_ROAD, ///< convert a road type
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CMD_BUILD_AIRPORT, ///< build an airport
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CMD_BUILD_DOCK, ///< build a dock
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CMD_BUILD_SHIP_DEPOT, ///< build a ship depot
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CMD_BUILD_BUOY, ///< build a buoy
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CMD_PLANT_TREE, ///< plant a tree
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CMD_BUILD_VEHICLE, ///< build a vehicle
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CMD_SELL_VEHICLE, ///< sell a vehicle
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CMD_REFIT_VEHICLE, ///< refit the cargo space of a vehicle
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CMD_SEND_VEHICLE_TO_DEPOT, ///< send a vehicle to a depot
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CMD_SET_VEHICLE_VISIBILITY, ///< hide or unhide a vehicle in the build vehicle and autoreplace GUIs
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CMD_MOVE_RAIL_VEHICLE, ///< move a rail vehicle (in the depot)
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CMD_FORCE_TRAIN_PROCEED, ///< proceed a train to pass a red signal
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CMD_REVERSE_TRAIN_DIRECTION, ///< turn a train around
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CMD_CLEAR_ORDER_BACKUP, ///< clear the order backup of a given user/tile
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CMD_MODIFY_ORDER, ///< modify an order (like set full-load)
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CMD_SKIP_TO_ORDER, ///< skip an order to the next of specific one
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CMD_DELETE_ORDER, ///< delete an order
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CMD_INSERT_ORDER, ///< insert a new order
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CMD_CHANGE_SERVICE_INT, ///< change the server interval of a vehicle
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CMD_BUILD_INDUSTRY, ///< build a new industry
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CMD_INDUSTRY_SET_FLAGS, ///< change industry control flags
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CMD_INDUSTRY_SET_EXCLUSIVITY, ///< change industry exclusive consumer/supplier
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CMD_INDUSTRY_SET_TEXT, ///< change additional text for the industry
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CMD_SET_COMPANY_MANAGER_FACE, ///< set the manager's face of the company
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CMD_SET_COMPANY_COLOUR, ///< set the colour of the company
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CMD_INCREASE_LOAN, ///< increase the loan from the bank
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CMD_DECREASE_LOAN, ///< decrease the loan from the bank
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CMD_WANT_ENGINE_PREVIEW, ///< confirm the preview of an engine
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CMD_ENGINE_CTRL, ///< control availability of the engine for companies
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CMD_RENAME_VEHICLE, ///< rename a whole vehicle
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CMD_RENAME_ENGINE, ///< rename a engine (in the engine list)
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CMD_RENAME_COMPANY, ///< change the company name
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CMD_RENAME_PRESIDENT, ///< change the president name
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CMD_RENAME_STATION, ///< rename a station
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CMD_RENAME_DEPOT, ///< rename a depot
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CMD_PLACE_SIGN, ///< place a sign
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CMD_RENAME_SIGN, ///< rename a sign
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CMD_TURN_ROADVEH, ///< turn a road vehicle around
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CMD_PAUSE, ///< pause the game
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CMD_BUY_COMPANY, ///< buy a company which is bankrupt
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CMD_FOUND_TOWN, ///< found a town
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CMD_RENAME_TOWN, ///< rename a town
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CMD_DO_TOWN_ACTION, ///< do a action from the town detail window (like advertises or bribe)
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CMD_TOWN_CARGO_GOAL, ///< set the goal of a cargo for a town
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CMD_TOWN_GROWTH_RATE, ///< set the town growth rate
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CMD_TOWN_RATING, ///< set rating of a company in a town
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CMD_TOWN_SET_TEXT, ///< set the custom text of a town
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CMD_EXPAND_TOWN, ///< expand a town
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CMD_DELETE_TOWN, ///< delete a town
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CMD_ORDER_REFIT, ///< change the refit information of an order (for "goto depot" )
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CMD_CLONE_ORDER, ///< clone (and share) an order
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CMD_CLEAR_AREA, ///< clear an area
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CMD_MONEY_CHEAT, ///< do the money cheat
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CMD_CHANGE_BANK_BALANCE, ///< change bank balance to charge costs or give money from a GS
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CMD_BUILD_CANAL, ///< build a canal
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CMD_CREATE_SUBSIDY, ///< create a new subsidy
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CMD_COMPANY_CTRL, ///< used in multiplayer to create a new companies etc.
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CMD_CUSTOM_NEWS_ITEM, ///< create a custom news message
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CMD_CREATE_GOAL, ///< create a new goal
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CMD_REMOVE_GOAL, ///< remove a goal
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CMD_SET_GOAL_TEXT, ///< update goal text of a goal
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CMD_SET_GOAL_PROGRESS, ///< update goal progress text of a goal
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CMD_SET_GOAL_COMPLETED, ///< update goal completed status of a goal
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CMD_GOAL_QUESTION, ///< ask a goal related question
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CMD_GOAL_QUESTION_ANSWER, ///< answer(s) to CMD_GOAL_QUESTION
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CMD_CREATE_STORY_PAGE, ///< create a new story page
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CMD_CREATE_STORY_PAGE_ELEMENT, ///< create a new story page element
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CMD_UPDATE_STORY_PAGE_ELEMENT, ///< update a story page element
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CMD_SET_STORY_PAGE_TITLE, ///< update title of a story page
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CMD_SET_STORY_PAGE_DATE, ///< update date of a story page
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CMD_SHOW_STORY_PAGE, ///< show a story page
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CMD_REMOVE_STORY_PAGE, ///< remove a story page
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CMD_REMOVE_STORY_PAGE_ELEMENT, ///< remove a story page element
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CMD_SCROLL_VIEWPORT, ///< scroll main viewport of players
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CMD_STORY_PAGE_BUTTON, ///< selection via story page button
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CMD_LEVEL_LAND, ///< level land
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CMD_BUILD_LOCK, ///< build a lock
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CMD_BUILD_SIGNAL_TRACK, ///< add signals along a track (by dragging)
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CMD_REMOVE_SIGNAL_TRACK, ///< remove signals along a track (by dragging)
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CMD_GIVE_MONEY, ///< give money to another company
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CMD_CHANGE_SETTING, ///< change a setting
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CMD_CHANGE_COMPANY_SETTING, ///< change a company setting
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CMD_SET_AUTOREPLACE, ///< set an autoreplace entry
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CMD_CLONE_VEHICLE, ///< clone a vehicle
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CMD_START_STOP_VEHICLE, ///< start or stop a vehicle
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CMD_MASS_START_STOP, ///< start/stop all vehicles (in a depot)
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CMD_AUTOREPLACE_VEHICLE, ///< replace/renew a vehicle while it is in a depot
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CMD_DEPOT_SELL_ALL_VEHICLES, ///< sell all vehicles which are in a given depot
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CMD_DEPOT_MASS_AUTOREPLACE, ///< force the autoreplace to take action in a given depot
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CMD_CREATE_GROUP, ///< create a new group
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CMD_DELETE_GROUP, ///< delete a group
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CMD_ALTER_GROUP, ///< alter a group
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CMD_ADD_VEHICLE_GROUP, ///< add a vehicle to a group
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CMD_ADD_SHARED_VEHICLE_GROUP, ///< add all other shared vehicles to a group which are missing
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CMD_REMOVE_ALL_VEHICLES_GROUP, ///< remove all vehicles from a group
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CMD_SET_GROUP_FLAG, ///< set/clear a flag for a group
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CMD_SET_GROUP_LIVERY, ///< set the livery for a group
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CMD_MOVE_ORDER, ///< move an order
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CMD_CHANGE_TIMETABLE, ///< change the timetable for a vehicle
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CMD_BULK_CHANGE_TIMETABLE, ///< change the timetable for all orders of a vehicle
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CMD_SET_VEHICLE_ON_TIME, ///< set the vehicle on time feature (timetable)
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CMD_AUTOFILL_TIMETABLE, ///< autofill the timetable
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CMD_SET_TIMETABLE_START, ///< set the date that a timetable should start
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CMD_OPEN_CLOSE_AIRPORT, ///< open/close an airport to incoming aircraft
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CMD_CREATE_LEAGUE_TABLE, ///< create a new league table
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CMD_CREATE_LEAGUE_TABLE_ELEMENT, ///< create a new element in a league table
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CMD_UPDATE_LEAGUE_TABLE_ELEMENT_DATA, ///< update the data fields of a league table element
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CMD_UPDATE_LEAGUE_TABLE_ELEMENT_SCORE, ///< update the score of a league table element
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CMD_REMOVE_LEAGUE_TABLE_ELEMENT, ///< remove a league table element
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CMD_END, ///< Must ALWAYS be on the end of this list!! (period)
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};
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/**
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* List of flags for a command.
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*
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* This enums defines some flags which can be used for the commands.
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*/
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enum DoCommandFlag {
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DC_NONE = 0x000, ///< no flag is set
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DC_EXEC = 0x001, ///< execute the given command
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DC_AUTO = 0x002, ///< don't allow building on structures
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DC_QUERY_COST = 0x004, ///< query cost only, don't build.
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DC_NO_WATER = 0x008, ///< don't allow building on water
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// 0x010 is unused
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DC_NO_TEST_TOWN_RATING = 0x020, ///< town rating does not disallow you from building
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DC_BANKRUPT = 0x040, ///< company bankrupts, skip money check, skip vehicle on tile check in some cases
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DC_AUTOREPLACE = 0x080, ///< autoreplace/autorenew is in progress, this shall disable vehicle limits when building, and ignore certain restrictions when undoing things (like vehicle attach callback)
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DC_NO_CARGO_CAP_CHECK = 0x100, ///< when autoreplace/autorenew is in progress, this shall prevent truncating the amount of cargo in the vehicle to prevent testing the command to remove cargo
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DC_ALL_TILES = 0x200, ///< allow this command also on MP_VOID tiles
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DC_NO_MODIFY_TOWN_RATING = 0x400, ///< do not change town rating
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DC_FORCE_CLEAR_TILE = 0x800, ///< do not only remove the object on the tile, but also clear any water left on it
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};
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DECLARE_ENUM_AS_BIT_SET(DoCommandFlag)
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/**
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* Command flags for the command table _command_proc_table.
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*
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* This enumeration defines flags for the _command_proc_table.
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*/
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enum CommandFlags {
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CMD_SERVER = 0x001, ///< the command can only be initiated by the server
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CMD_SPECTATOR = 0x002, ///< the command may be initiated by a spectator
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CMD_OFFLINE = 0x004, ///< the command cannot be executed in a multiplayer game; single-player only
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CMD_AUTO = 0x008, ///< set the DC_AUTO flag on this command
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CMD_ALL_TILES = 0x010, ///< allow this command also on MP_VOID tiles
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CMD_NO_TEST = 0x020, ///< the command's output may differ between test and execute due to town rating changes etc.
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CMD_NO_WATER = 0x040, ///< set the DC_NO_WATER flag on this command
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CMD_CLIENT_ID = 0x080, ///< set p2 with the ClientID of the sending client.
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CMD_DEITY = 0x100, ///< the command may be executed by COMPANY_DEITY
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CMD_STR_CTRL = 0x200, ///< the command's string may contain control strings
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CMD_NO_EST = 0x400, ///< the command is never estimated.
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CMD_LOCATION = 0x800, ///< the command has implicit location argument.
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};
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DECLARE_ENUM_AS_BIT_SET(CommandFlags)
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/** Types of commands we have. */
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enum CommandType {
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CMDT_LANDSCAPE_CONSTRUCTION, ///< Construction and destruction of objects on the map.
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CMDT_VEHICLE_CONSTRUCTION, ///< Construction, modification (incl. refit) and destruction of vehicles.
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CMDT_MONEY_MANAGEMENT, ///< Management of money, i.e. loans.
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CMDT_VEHICLE_MANAGEMENT, ///< Stopping, starting, sending to depot, turning around, replace orders etc.
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CMDT_ROUTE_MANAGEMENT, ///< Modifications to route management (orders, groups, etc).
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CMDT_OTHER_MANAGEMENT, ///< Renaming stuff, changing company colours, placing signs, etc.
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CMDT_COMPANY_SETTING, ///< Changing settings related to a company.
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CMDT_SERVER_SETTING, ///< Pausing/removing companies/server settings.
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CMDT_CHEAT, ///< A cheat of some sorts.
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CMDT_END, ///< Magic end marker.
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};
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/** Different command pause levels. */
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enum CommandPauseLevel {
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CMDPL_NO_ACTIONS, ///< No user actions may be executed.
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CMDPL_NO_CONSTRUCTION, ///< No construction actions may be executed.
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CMDPL_NO_LANDSCAPING, ///< No landscaping actions may be executed.
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CMDPL_ALL_ACTIONS, ///< All actions may be executed.
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};
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template <typename T> struct CommandFunctionTraitHelper;
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template <typename... Targs>
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struct CommandFunctionTraitHelper<CommandCost(*)(DoCommandFlag, Targs...)> {
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using Args = std::tuple<std::decay_t<Targs>...>;
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using RetTypes = void;
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using CbArgs = Args;
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using CbProcType = void(*)(Commands, const CommandCost &);
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};
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template <template <typename...> typename Tret, typename... Tretargs, typename... Targs>
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struct CommandFunctionTraitHelper<Tret<CommandCost, Tretargs...>(*)(DoCommandFlag, Targs...)> {
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using Args = std::tuple<std::decay_t<Targs>...>;
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using RetTypes = std::tuple<std::decay_t<Tretargs>...>;
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using CbArgs = std::tuple<std::decay_t<Tretargs>..., std::decay_t<Targs>...>;
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using CbProcType = void(*)(Commands, const CommandCost &, Tretargs...);
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};
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/** Defines the traits of a command. */
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template <Commands Tcmd> struct CommandTraits;
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#define DEF_CMD_TRAIT(cmd_, proc_, flags_, type_) \
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template<> struct CommandTraits<cmd_> { \
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using ProcType = decltype(&proc_); \
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using Args = typename CommandFunctionTraitHelper<ProcType>::Args; \
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using RetTypes = typename CommandFunctionTraitHelper<ProcType>::RetTypes; \
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using CbArgs = typename CommandFunctionTraitHelper<ProcType>::CbArgs; \
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using RetCallbackProc = typename CommandFunctionTraitHelper<ProcType>::CbProcType; \
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static constexpr Commands cmd = cmd_; \
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static constexpr auto &proc = proc_; \
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static constexpr CommandFlags flags = (CommandFlags)(flags_); \
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static constexpr CommandType type = type_; \
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static inline constexpr const char *name = #proc_; \
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};
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/** Storage buffer for serialized command data. */
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typedef std::vector<byte> CommandDataBuffer;
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/**
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* Define a callback function for the client, after the command is finished.
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*
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* Functions of this type are called after the command is finished. The parameters
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* are from the #CommandProc callback type. The boolean parameter indicates if the
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* command succeeded or failed.
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*
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* @param cmd The command that was executed
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* @param result The result of the executed command
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* @param tile The tile of the command action
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* @see CommandProc
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*/
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typedef void CommandCallback(Commands cmd, const CommandCost &result, TileIndex tile);
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/**
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* Define a callback function for the client, after the command is finished.
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*
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* Functions of this type are called after the command is finished. The parameters
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* are from the #CommandProc callback type. The boolean parameter indicates if the
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* command succeeded or failed.
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*
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* @param cmd The command that was executed
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* @param result The result of the executed command
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* @param tile The tile of the command action
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* @param data Additional data of the command
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* @param result_data Additional returned data from the command
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* @see CommandProc
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*/
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typedef void CommandCallbackData(Commands cmd, const CommandCost &result, const CommandDataBuffer &data, CommandDataBuffer result_data);
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#endif /* COMMAND_TYPE_H */
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