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