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@ r12760:308cf6c9a8ac
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Location: cpp/openttd-patchpack/source/src/signs_cmd.cpp
r12760:308cf6c9a8ac
3.1 KiB
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(svn r17239) -Change [FS#2802]: allow overbuilding the front tile of a roadstation / roaddepot with road
to be consistent with overbuilding the front tile of tunnels/bridges and also to make it easier for AIs to
connect roadstations and roaddepots to the road in front of it
to be consistent with overbuilding the front tile of tunnels/bridges and also to make it easier for AIs to
connect roadstations and roaddepots to the road in front of it
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/** @file signs_cmd.cpp Handling of sign related commands. */
#include "stdafx.h"
#include "landscape.h"
#include "company_func.h"
#include "signs_base.h"
#include "signs_func.h"
#include "command_func.h"
#include "tilehighlight_func.h"
#include "window_func.h"
#include "map_func.h"
#include "string_func.h"
#include "table/strings.h"
SignID _new_sign_id;
/**
* Place a sign at the given coordinates. Ownership of sign has
* no effect whatsoever except for the colour the sign gets for easy recognition,
* but everybody is able to rename/remove it.
* @param tile tile to place sign at
* @param flags type of operation
* @param p1 unused
* @param p2 unused
*/
CommandCost CmdPlaceSign(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{
/* Try to locate a new sign */
if (!Sign::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_SIGNS);
/* Check sign text length if any */
if (!StrEmpty(text) && strlen(text) >= MAX_LENGTH_SIGN_NAME_BYTES) return CMD_ERROR;
/* When we execute, really make the sign */
if (flags & DC_EXEC) {
Sign *si = new Sign(_current_company);
int x = TileX(tile) * TILE_SIZE;
int y = TileY(tile) * TILE_SIZE;
si->x = x;
si->y = y;
si->z = GetSlopeZ(x, y);
if (!StrEmpty(text)) {
si->name = strdup(text);
}
si->UpdateVirtCoord();
InvalidateWindowData(WC_SIGN_LIST, 0, 0);
_new_sign_id = si->index;
}
return CommandCost();
}
/** Rename a sign. If the new name of the sign is empty, we assume
* the user wanted to delete it. So delete it. Ownership of signs
* has no meaning/effect whatsoever except for eyecandy
* @param tile unused
* @param flags type of operation
* @param p1 index of the sign to be renamed/removed
* @param p2 unused
* @return 0 if succesfull, otherwise CMD_ERROR
*/
CommandCost CmdRenameSign(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{
Sign *si = Sign::GetIfValid(p1);
if (si == NULL) return CMD_ERROR;
/* Rename the signs when empty, otherwise remove it */
if (!StrEmpty(text)) {
if (strlen(text) >= MAX_LENGTH_SIGN_NAME_BYTES) return CMD_ERROR;
if (flags & DC_EXEC) {
/* Delete the old name */
free(si->name);
/* Assign the new one */
si->name = strdup(text);
si->owner = _current_company;
si->UpdateVirtCoord();
InvalidateWindowData(WC_SIGN_LIST, 0, 1);
}
} else { // Delete sign
if (flags & DC_EXEC) {
si->sign.MarkDirty();
delete si;
InvalidateWindowData(WC_SIGN_LIST, 0, 0);
}
}
return CommandCost();
}
/**
* Callback function that is called after a sign is placed
* @param success of the operation
* @param tile unused
* @param p1 unused
* @param p2 unused
*/
void CcPlaceSign(bool success, TileIndex tile, uint32 p1, uint32 p2)
{
if (success) {
ShowRenameSignWindow(Sign::Get(_new_sign_id));
ResetObjectToPlace();
}
}
/**
*
* PlaceProc function, called when someone pressed the button if the
* sign-tool is selected
* @param tile on which to place the sign
*/
void PlaceProc_Sign(TileIndex tile)
{
DoCommandP(tile, 0, 0, CMD_PLACE_SIGN | CMD_MSG(STR_ERROR_CAN_T_PLACE_SIGN_HERE), CcPlaceSign);
}
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