OpenTTD-patches/src/signs.cpp

85 lines
1.6 KiB
C++

/* $Id$ */
/** @file signs.cpp Handling of signs. */
#include "stdafx.h"
#include "landscape.h"
#include "signs_base.h"
#include "signs_func.h"
#include "strings_func.h"
#include "viewport_func.h"
#include "zoom_func.h"
#include "functions.h"
#include "core/pool_func.hpp"
#include "table/strings.h"
/* Initialize the sign-pool */
SignPool _sign_pool("Sign");
INSTANTIATE_POOL_METHODS(Sign)
Sign::Sign(Owner owner)
{
this->owner = owner;
}
Sign::~Sign()
{
free(this->name);
if (CleaningPool()) return;
DeleteRenameSignWindow(this->index);
}
/**
*
* Update the coordinate of one sign
* @param si Pointer to the Sign
*
*/
void UpdateSignVirtCoords(Sign *si)
{
Point pt = RemapCoords(si->x, si->y, si->z);
SetDParam(0, si->index);
UpdateViewportSignPos(&si->sign, pt.x, pt.y - 6, STR_SIGN_WHITE);
}
/** Update the coordinates of all signs */
void UpdateAllSignVirtCoords()
{
Sign *si;
FOR_ALL_SIGNS(si) UpdateSignVirtCoords(si);
}
/**
* Marks the region of a sign as dirty.
*
* This function marks the sign in all viewports as dirty for repaint.
*
* @param si Pointer to the Sign
* @ingroup dirty
*/
void MarkSignDirty(Sign *si)
{
/* We use ZOOM_LVL_MAX here, as every viewport can have an other zoom,
* and there is no way for us to know which is the biggest. So make the
* biggest area dirty, and we are safe for sure. */
MarkAllViewportsDirty(
si->sign.left - 6,
si->sign.top - 3,
si->sign.left + ScaleByZoom(si->sign.width_1 + 12, ZOOM_LVL_MAX),
si->sign.top + ScaleByZoom(12, ZOOM_LVL_MAX));
}
/**
*
* Initialize the signs
*
*/
void InitializeSigns()
{
_sign_pool.CleanPool();
}