00001
00002
00005 #include "ai_group.hpp"
00006 #include "ai_engine.hpp"
00007 #include "../ai_instance.hpp"
00008 #include "../../company_func.h"
00009 #include "../../group.h"
00010 #include "../../string_func.h"
00011 #include "../../strings_func.h"
00012 #include "../../core/alloc_func.hpp"
00013 #include "../../command_func.h"
00014 #include "../../autoreplace_func.h"
00015 #include "table/strings.h"
00016
00017 bool AIGroup::IsValidGroup(GroupID group_id)
00018 {
00019 return ::IsValidGroupID(group_id) && ::GetGroup(group_id)->owner == _current_company;
00020 }
00021
00022 AIGroup::GroupID AIGroup::CreateGroup(AIVehicle::VehicleType vehicle_type)
00023 {
00024 if (!AIObject::DoCommand(0, (::VehicleType)vehicle_type, 0, CMD_CREATE_GROUP, NULL, &AIInstance::DoCommandReturnGroupID)) return GROUP_INVALID;
00025
00026
00027 return (AIGroup::GroupID)0;
00028 }
00029
00030 bool AIGroup::DeleteGroup(GroupID group_id)
00031 {
00032 EnforcePrecondition(false, IsValidGroup(group_id));
00033
00034 return AIObject::DoCommand(0, group_id, 0, CMD_DELETE_GROUP);
00035 }
00036
00037 AIVehicle::VehicleType AIGroup::GetVehicleType(GroupID group_id)
00038 {
00039 if (!IsValidGroup(group_id)) return AIVehicle::VT_INVALID;
00040
00041 return (AIVehicle::VehicleType)((::VehicleType)::GetGroup(group_id)->vehicle_type);
00042 }
00043
00044 bool AIGroup::SetName(GroupID group_id, const char *name)
00045 {
00046 EnforcePrecondition(false, IsValidGroup(group_id));
00047 EnforcePrecondition(false, !::StrEmpty(name));
00048 EnforcePreconditionCustomError(false, ::strlen(name) < MAX_LENGTH_GROUP_NAME_BYTES, AIError::ERR_PRECONDITION_STRING_TOO_LONG);
00049
00050 return AIObject::DoCommand(0, group_id, 0, CMD_RENAME_GROUP, name);
00051 }
00052
00053 char *AIGroup::GetName(GroupID group_id)
00054 {
00055 if (!IsValidGroup(group_id)) return NULL;
00056
00057 static const int len = 64;
00058 char *group_name = MallocT<char>(len);
00059
00060 ::SetDParam(0, group_id);
00061 ::GetString(group_name, STR_GROUP_NAME, &group_name[len - 1]);
00062 return group_name;
00063 }
00064
00065 bool AIGroup::EnableAutoReplaceProtection(GroupID group_id, bool enable)
00066 {
00067 EnforcePrecondition(false, IsValidGroup(group_id));
00068
00069 return AIObject::DoCommand(0, group_id, enable ? 1 : 0, CMD_SET_GROUP_REPLACE_PROTECTION);
00070 }
00071
00072 bool AIGroup::GetAutoReplaceProtection(GroupID group_id)
00073 {
00074 if (!IsValidGroup(group_id)) return false;
00075
00076 return ::GetGroup(group_id)->replace_protection;
00077 }
00078
00079 int32 AIGroup::GetNumEngines(GroupID group_id, EngineID engine_id)
00080 {
00081 if (!IsValidGroup(group_id) && group_id != GROUP_DEFAULT && group_id != GROUP_ALL) return -1;
00082
00083 return GetGroupNumEngines(_current_company, group_id, engine_id);
00084 }
00085
00086 bool AIGroup::MoveVehicle(GroupID group_id, VehicleID vehicle_id)
00087 {
00088 EnforcePrecondition(false, IsValidGroup(group_id) || group_id == GROUP_DEFAULT);
00089 EnforcePrecondition(false, AIVehicle::IsValidVehicle(vehicle_id));
00090
00091 return AIObject::DoCommand(0, group_id, vehicle_id, CMD_ADD_VEHICLE_GROUP);
00092 }
00093
00094 bool AIGroup::EnableWagonRemoval(bool enable_removal)
00095 {
00096 if (HasWagonRemoval() == enable_removal) return true;
00097
00098 return AIObject::DoCommand(0, 5, enable_removal ? 1 : 0, CMD_SET_AUTOREPLACE);
00099 }
00100
00101 bool AIGroup::HasWagonRemoval()
00102 {
00103 return ::GetCompany(_current_company)->renew_keep_length;
00104 }
00105
00106 bool AIGroup::SetAutoReplace(GroupID group_id, EngineID engine_id_old, EngineID engine_id_new)
00107 {
00108 EnforcePrecondition(false, IsValidGroup(group_id) || group_id == GROUP_ALL);
00109 EnforcePrecondition(false, AIEngine::IsValidEngine(engine_id_new));
00110
00111 return AIObject::DoCommand(0, 3 | (group_id << 16), (engine_id_new << 16) | engine_id_old, CMD_SET_AUTOREPLACE);
00112 }
00113
00114 EngineID AIGroup::GetEngineReplacement(GroupID group_id, EngineID engine_id)
00115 {
00116 if (!IsValidGroup(group_id) && group_id != GROUP_ALL) return ::INVALID_ENGINE;
00117
00118 return ::EngineReplacementForCompany(GetCompany(_current_company), engine_id, group_id);
00119 }
00120
00121 bool AIGroup::StopAutoReplace(GroupID group_id, EngineID engine_id)
00122 {
00123 EnforcePrecondition(false, IsValidGroup(group_id) || group_id == GROUP_ALL);
00124
00125 return AIObject::DoCommand(0, 3 | (group_id << 16), (::INVALID_ENGINE << 16) | engine_id, CMD_SET_AUTOREPLACE);
00126 }