1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include "racecar.h" |
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19 |
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20 // ----------------------------------------------------------------------------- |
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21 // |
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22 // ----------------------------------------------------------------------------- |
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23 // |
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24 DRaceCar::DRaceCar( const TDesC8& aColor, TUint aFuelTankSize ) |
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25 : iFuelTankSize( aFuelTankSize ) |
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26 { |
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27 iColor = HBuf8::New(aColor); |
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28 } |
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29 |
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30 |
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31 // ----------------------------------------------------------------------------- |
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32 // |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 DRaceCar::~DRaceCar() |
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36 { |
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37 delete iColor; |
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38 } |
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39 |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 TUint DRaceCar::FuelTankSize() const |
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45 { |
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46 return iFuelTankSize; |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 TUint DRaceCar::FuelLeft() const |
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54 { |
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55 return iFuel; |
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56 } |
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57 |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 // ----------------------------------------------------------------------------- |
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61 // |
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62 TUint DRaceCar::AddFuel( TUint aFuel ) |
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63 { |
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64 TUint extraFuel = 0; |
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65 if ( aFuel > iFuelTankSize - iFuel ) |
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66 { |
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67 extraFuel = aFuel- ( iFuelTankSize - iFuel ); |
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68 iFuel = iFuelTankSize; |
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69 } |
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70 else |
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71 { |
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72 iFuel += aFuel; |
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73 } |
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74 return extraFuel; |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 TInt DRaceCar::Steer( TInt aAngle ) |
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82 { |
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83 if ( ( iDirection + aAngle ) < -KMaxTyreAngle || |
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84 ( iDirection + aAngle ) > KMaxTyreAngle ) |
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85 { |
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86 return KErrArgument; |
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87 } |
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88 iDirection += aAngle; |
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89 return KErrNone; |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // |
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94 // ----------------------------------------------------------------------------- |
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95 // |
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96 TInt DRaceCar::Direction() const |
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97 { |
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98 return iDirection; |
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99 } |
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100 |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 // ----------------------------------------------------------------------------- |
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104 // |
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105 TInt DRaceCar::Accelerate( TUint aForce ) |
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106 { |
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107 if ( iFuel == 0 ) |
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108 { |
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109 return KErrGeneral; |
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110 } |
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111 else |
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112 { |
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113 iFuel--; |
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114 iSpeed += aForce; |
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115 } |
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116 return KErrNone; |
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117 } |
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118 |
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119 // ----------------------------------------------------------------------------- |
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120 // |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 TUint DRaceCar::Speed() const |
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124 { |
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125 return iSpeed; |
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126 } |
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127 |
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128 // ----------------------------------------------------------------------------- |
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129 // |
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130 // ----------------------------------------------------------------------------- |
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131 // |
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132 void DRaceCar::Brake( TUint aForce ) |
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133 { |
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134 if ( iSpeed < aForce ) |
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135 { |
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136 iSpeed = 0; |
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137 } |
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138 else |
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139 { |
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140 iSpeed -= aForce; |
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141 } |
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142 } |
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143 |
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144 // ----------------------------------------------------------------------------- |
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145 // |
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146 // ----------------------------------------------------------------------------- |
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147 // |
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148 const TDesC8& DRaceCar::Color() const |
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149 { |
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150 return *iColor; |
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151 } |
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152 |
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153 // ----------------------------------------------------------------------------- |
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154 // |
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155 // ----------------------------------------------------------------------------- |
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156 // |
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157 void DRaceCar::ChangeColorL( const TDesC8& aNewColor ) |
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158 { |
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159 HBuf* tmpColor = HBuf8::New(aNewColor); |
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160 delete iColor; |
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161 iColor = tmpColor; |
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162 } |
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