signs.cpp
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00002
00005 #include "stdafx.h"
00006 #include "landscape.h"
00007 #include "company_func.h"
00008 #include "signs_base.h"
00009 #include "signs_func.h"
00010 #include "command_func.h"
00011 #include "strings_func.h"
00012 #include "viewport_func.h"
00013 #include "tilehighlight_func.h"
00014 #include "zoom_func.h"
00015 #include "functions.h"
00016 #include "window_func.h"
00017 #include "map_func.h"
00018 #include "string_func.h"
00019 #include "oldpool_func.h"
00020
00021 #include "table/strings.h"
00022
00023 SignID _new_sign_id;
00024
00025
00026 DEFINE_OLD_POOL_GENERIC(Sign, Sign)
00027
00028 Sign::Sign(Owner owner)
00029 {
00030 this->owner = owner;
00031 }
00032
00033 Sign::~Sign()
00034 {
00035 free(this->name);
00036
00037 if (CleaningPool()) return;
00038
00039 DeleteRenameSignWindow(this->index);
00040 this->owner = INVALID_OWNER;
00041 }
00042
00049 static void UpdateSignVirtCoords(Sign *si)
00050 {
00051 Point pt = RemapCoords(si->x, si->y, si->z);
00052 SetDParam(0, si->index);
00053 UpdateViewportSignPos(&si->sign, pt.x, pt.y - 6, STR_2806);
00054 }
00055
00057 void UpdateAllSignVirtCoords()
00058 {
00059 Sign *si;
00060
00061 FOR_ALL_SIGNS(si) UpdateSignVirtCoords(si);
00062 }
00063
00072 static void MarkSignDirty(Sign *si)
00073 {
00074
00075
00076
00077 MarkAllViewportsDirty(
00078 si->sign.left - 6,
00079 si->sign.top - 3,
00080 si->sign.left + ScaleByZoom(si->sign.width_1 + 12, ZOOM_LVL_MAX),
00081 si->sign.top + ScaleByZoom(12, ZOOM_LVL_MAX));
00082 }
00083
00093 CommandCost CmdPlaceSign(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00094 {
00095
00096 if (!Sign::CanAllocateItem()) return_cmd_error(STR_2808_TOO_MANY_SIGNS);
00097
00098
00099 if (!StrEmpty(text) && strlen(text) >= MAX_LENGTH_SIGN_NAME_BYTES) return CMD_ERROR;
00100
00101
00102 if (flags & DC_EXEC) {
00103 Sign *si = new Sign(_current_company);
00104 int x = TileX(tile) * TILE_SIZE;
00105 int y = TileY(tile) * TILE_SIZE;
00106
00107 si->x = x;
00108 si->y = y;
00109 si->z = GetSlopeZ(x, y);
00110 if (!StrEmpty(text)) {
00111 si->name = strdup(text);
00112 }
00113 UpdateSignVirtCoords(si);
00114 MarkSignDirty(si);
00115 InvalidateWindowData(WC_SIGN_LIST, 0, 0);
00116 _new_sign_id = si->index;
00117 }
00118
00119 return CommandCost();
00120 }
00121
00131 CommandCost CmdRenameSign(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00132 {
00133 if (!IsValidSignID(p1)) return CMD_ERROR;
00134
00135
00136 if (!StrEmpty(text)) {
00137 if (strlen(text) >= MAX_LENGTH_SIGN_NAME_BYTES) return CMD_ERROR;
00138
00139 if (flags & DC_EXEC) {
00140 Sign *si = GetSign(p1);
00141
00142
00143 free(si->name);
00144
00145 si->name = strdup(text);
00146 si->owner = _current_company;
00147
00148
00149 MarkSignDirty(si);
00150 UpdateSignVirtCoords(si);
00151 MarkSignDirty(si);
00152 InvalidateWindowData(WC_SIGN_LIST, 0, 1);
00153 }
00154 } else {
00155 if (flags & DC_EXEC) {
00156 Sign *si = GetSign(p1);
00157
00158 MarkSignDirty(si);
00159 delete si;
00160
00161 InvalidateWindowData(WC_SIGN_LIST, 0, 0);
00162 }
00163 }
00164
00165 return CommandCost();
00166 }
00167
00175 void CcPlaceSign(bool success, TileIndex tile, uint32 p1, uint32 p2)
00176 {
00177 if (success) {
00178 ShowRenameSignWindow(GetSign(_new_sign_id));
00179 ResetObjectToPlace();
00180 }
00181 }
00182
00189 void PlaceProc_Sign(TileIndex tile)
00190 {
00191 DoCommandP(tile, 0, 0, CMD_PLACE_SIGN | CMD_MSG(STR_2809_CAN_T_PLACE_SIGN_HERE), CcPlaceSign);
00192 }
00193
00199 void InitializeSigns()
00200 {
00201 _Sign_pool.CleanPool();
00202 _Sign_pool.AddBlockToPool();
00203 }