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00012 #include "../../stdafx.h"
00013 #include "script_sign.hpp"
00014 #include "table/strings.h"
00015 #include "../script_instance.hpp"
00016 #include "../../command_func.h"
00017 #include "../../core/alloc_func.hpp"
00018 #include "../../signs_base.h"
00019 #include "../../string_func.h"
00020 #include "../../strings_func.h"
00021 #include "../../tile_map.h"
00022
00023 bool ScriptSign::IsValidSign(SignID sign_id)
00024 {
00025 const Sign *si = ::Sign::GetIfValid(sign_id);
00026 return si != NULL && (si->owner == ScriptObject::GetCompany() || si->owner == OWNER_DEITY);
00027 }
00028
00029 ScriptCompany::CompanyID ScriptSign::GetOwner(SignID sign_id)
00030 {
00031 if (!IsValidSign(sign_id)) return ScriptCompany::COMPANY_INVALID;
00032
00033 return static_cast<ScriptCompany::CompanyID>((int)::Sign::Get(sign_id)->owner);
00034 }
00035
00036 bool ScriptSign::SetName(SignID sign_id, Text *name)
00037 {
00038 CCountedPtr<Text> counter(name);
00039
00040 EnforcePrecondition(false, IsValidSign(sign_id));
00041 EnforcePrecondition(false, name != NULL);
00042 const char *text = name->GetEncodedText();
00043 EnforcePrecondition(false, !::StrEmpty(text));
00044 EnforcePreconditionCustomError(false, ::Utf8StringLength(text) < MAX_LENGTH_SIGN_NAME_CHARS, ScriptError::ERR_PRECONDITION_STRING_TOO_LONG);
00045
00046 return ScriptObject::DoCommand(0, sign_id, 0, CMD_RENAME_SIGN, text);
00047 }
00048
00049 char *ScriptSign::GetName(SignID sign_id)
00050 {
00051 if (!IsValidSign(sign_id)) return NULL;
00052
00053 static const int len = 64;
00054 char *sign_name = MallocT<char>(len);
00055
00056 ::SetDParam(0, sign_id);
00057 ::GetString(sign_name, STR_SIGN_NAME, &sign_name[len - 1]);
00058
00059 return sign_name;
00060 }
00061
00062 TileIndex ScriptSign::GetLocation(SignID sign_id)
00063 {
00064 if (!IsValidSign(sign_id)) return INVALID_TILE;
00065
00066 const Sign *sign = ::Sign::Get(sign_id);
00067 return ::TileVirtXY(sign->x, sign->y);
00068 }
00069
00070 bool ScriptSign::RemoveSign(SignID sign_id)
00071 {
00072 EnforcePrecondition(false, IsValidSign(sign_id));
00073 return ScriptObject::DoCommand(0, sign_id, 0, CMD_RENAME_SIGN, "");
00074 }
00075
00076 SignID ScriptSign::BuildSign(TileIndex location, Text *name)
00077 {
00078 CCountedPtr<Text> counter(name);
00079
00080 EnforcePrecondition(INVALID_SIGN, ::IsValidTile(location));
00081 EnforcePrecondition(INVALID_SIGN, name != NULL);
00082 const char *text = name->GetEncodedText();
00083 EnforcePrecondition(INVALID_SIGN, !::StrEmpty(text));
00084 EnforcePreconditionCustomError(INVALID_SIGN, ::Utf8StringLength(text) < MAX_LENGTH_SIGN_NAME_CHARS, ScriptError::ERR_PRECONDITION_STRING_TOO_LONG);
00085
00086 if (!ScriptObject::DoCommand(location, 0, 0, CMD_PLACE_SIGN, text, &ScriptInstance::DoCommandReturnSignID)) return INVALID_SIGN;
00087
00088
00089 return 0;
00090 }