mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-10-31 15:20:10 +00:00
26b203e3ff
-Fix: AIs did update their last cost incorrectly in network games if the cost of the DC_EXEC phase differed from the ~DC_EXEC phase.
131 lines
3.8 KiB
C++
131 lines
3.8 KiB
C++
/* $Id$ */
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/*
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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 signs_cmd.cpp Handling of sign related commands. */
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#include "stdafx.h"
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#include "landscape.h"
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#include "company_func.h"
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#include "signs_base.h"
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#include "signs_func.h"
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#include "command_func.h"
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#include "tilehighlight_func.h"
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#include "window_func.h"
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#include "string_func.h"
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#include "table/strings.h"
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SignID _new_sign_id;
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/**
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* Place a sign at the given coordinates. Ownership of sign has
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* no effect whatsoever except for the colour the sign gets for easy recognition,
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* but everybody is able to rename/remove it.
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* @param tile tile to place sign at
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* @param flags type of operation
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* @param p1 unused
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* @param p2 unused
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* @param text unused
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* @return the cost of this operation or an error
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*/
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CommandCost CmdPlaceSign(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
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{
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/* Try to locate a new sign */
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if (!Sign::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_SIGNS);
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/* Check sign text length if any */
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if (!StrEmpty(text) && strlen(text) >= MAX_LENGTH_SIGN_NAME_BYTES) return CMD_ERROR;
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/* When we execute, really make the sign */
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if (flags & DC_EXEC) {
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Sign *si = new Sign(_current_company);
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int x = TileX(tile) * TILE_SIZE;
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int y = TileY(tile) * TILE_SIZE;
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si->x = x;
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si->y = y;
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si->z = GetSlopeZ(x, y);
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if (!StrEmpty(text)) {
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si->name = strdup(text);
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}
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si->UpdateVirtCoord();
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InvalidateWindowData(WC_SIGN_LIST, 0, 0);
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_new_sign_id = si->index;
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}
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return CommandCost();
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}
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/** Rename a sign. If the new name of the sign is empty, we assume
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* the user wanted to delete it. So delete it. Ownership of signs
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* has no meaning/effect whatsoever except for eyecandy
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* @param tile unused
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* @param flags type of operation
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* @param p1 index of the sign to be renamed/removed
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* @param p2 unused
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* @param text the new name or an empty string when resetting to the default
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* @return the cost of this operation or an error
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*/
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CommandCost CmdRenameSign(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
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{
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Sign *si = Sign::GetIfValid(p1);
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if (si == NULL) return CMD_ERROR;
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/* Rename the signs when empty, otherwise remove it */
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if (!StrEmpty(text)) {
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if (strlen(text) >= MAX_LENGTH_SIGN_NAME_BYTES) return CMD_ERROR;
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if (flags & DC_EXEC) {
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/* Delete the old name */
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free(si->name);
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/* Assign the new one */
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si->name = strdup(text);
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si->owner = _current_company;
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si->UpdateVirtCoord();
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InvalidateWindowData(WC_SIGN_LIST, 0, 1);
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}
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} else { // Delete sign
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if (flags & DC_EXEC) {
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si->sign.MarkDirty();
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delete si;
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InvalidateWindowData(WC_SIGN_LIST, 0, 0);
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}
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}
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return CommandCost();
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}
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/**
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* Callback function that is called after a sign is placed
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* @param result of the operation
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* @param tile unused
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* @param p1 unused
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* @param p2 unused
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*/
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void CcPlaceSign(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
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{
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if (result.Failed()) return;
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ShowRenameSignWindow(Sign::Get(_new_sign_id));
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ResetObjectToPlace();
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}
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/**
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*
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* PlaceProc function, called when someone pressed the button if the
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* sign-tool is selected
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* @param tile on which to place the sign
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*/
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void PlaceProc_Sign(TileIndex tile)
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{
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DoCommandP(tile, 0, 0, CMD_PLACE_SIGN | CMD_MSG(STR_ERROR_CAN_T_PLACE_SIGN_HERE), CcPlaceSign);
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}
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