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1 | daniel-mar | 1 | unit Choice; |
2 | |||
3 | interface |
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4 | |||
5 | uses |
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6 | Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, |
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7 | daniel-mar | 7 | Dialogs, StdCtrls, ImgList, ComCtrls, Menus, ExtCtrls, System.ImageList; |
1 | daniel-mar | 8 | |
9 | type |
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10 | TLevelChoice = class(TForm) |
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11 | PlayBtn: TButton; |
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12 | CancelBtn: TButton; |
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13 | LevelImageList: TImageList; |
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14 | LevelPopupMenu: TPopupMenu; |
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15 | PLoadLevel: TMenuItem; |
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16 | PRefreshList: TMenuItem; |
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17 | PreviewGrp: TGroupBox; |
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18 | PreviewImage: TImage; |
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19 | LevelGrp: TGroupBox; |
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20 | LevelList: TListView; |
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21 | procedure PlayBtnClick(Sender: TObject); |
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22 | procedure CancelBtnClick(Sender: TObject); |
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23 | procedure FormShow(Sender: TObject); |
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24 | procedure LevelListClick(Sender: TObject); |
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25 | procedure LevelListChange(Sender: TObject; Item: TListItem; |
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26 | Change: TItemChange); |
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27 | procedure PRefreshListClick(Sender: TObject); |
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28 | procedure FormResize(Sender: TObject); |
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29 | procedure FormCreate(Sender: TObject); |
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30 | private |
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31 | procedure RefreshList; |
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32 | public |
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33 | function SelectedLevel: string; |
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34 | end; |
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35 | |||
36 | var |
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37 | LevelChoice: TLevelChoice; |
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38 | |||
39 | implementation |
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40 | |||
41 | {$R *.dfm} |
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42 | |||
43 | uses |
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44 | Functions, LevelFunctions, Constants; |
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45 | |||
46 | function TLevelChoice.SelectedLevel: string; |
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47 | begin |
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48 | result := Format(LVL_FILE, [LevelList.Selected.Caption]); |
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49 | end; |
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50 | |||
51 | procedure TLevelChoice.PlayBtnClick(Sender: TObject); |
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52 | var |
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53 | LevelString: string; |
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54 | begin |
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55 | if Assigned(LevelList.Selected) then |
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56 | begin |
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57 | if LevelList.Selected.ImageIndex = 2 then |
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58 | begin |
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59 | LevelString := Functions.ReadFile(Format(LVL_FILE, [LevelList.Selected.Caption])); |
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60 | // leNone könnte auftreten, wenn das Level z.B. repariert wurde... |
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61 | if CheckLevelIntegrity(LevelString, true) <> leNone then |
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62 | begin |
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63 | exit; |
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64 | end; |
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65 | end; |
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66 | ModalResult := mrOk; |
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67 | end; |
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68 | end; |
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69 | |||
70 | procedure TLevelChoice.CancelBtnClick(Sender: TObject); |
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71 | begin |
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72 | ModalResult := mrCancel; |
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73 | end; |
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74 | |||
75 | procedure TLevelChoice.FormShow(Sender: TObject); |
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76 | begin |
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77 | RefreshList; |
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78 | end; |
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79 | |||
80 | procedure TLevelChoice.LevelListClick(Sender: TObject); |
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81 | var |
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82 | LevelFile, LevelString: string; |
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83 | begin |
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84 | PlayBtn.Enabled := Assigned(LevelList.Selected); |
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85 | PLoadLevel.Enabled := Assigned(LevelList.Selected); |
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86 | |||
87 | if Assigned(LevelList.Selected) then |
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88 | begin |
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89 | LevelFile := Format(LVL_FILE, [LevelList.Selected.Caption]); |
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90 | LevelString := Functions.ReadFile(LevelFile); |
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91 | DrawLevelPreview(LevelString, PreviewImage, Color); |
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92 | end |
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93 | else |
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94 | begin |
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95 | ClearImage(PreviewImage, Color); |
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96 | end; |
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97 | end; |
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98 | |||
99 | procedure TLevelChoice.LevelListChange(Sender: TObject; Item: TListItem; |
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100 | Change: TItemChange); |
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101 | begin |
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102 | if Change = ctState then LevelListClick(self); |
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103 | end; |
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104 | |||
105 | procedure TLevelChoice.PRefreshListClick(Sender: TObject); |
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106 | begin |
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107 | RefreshList; |
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108 | end; |
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109 | |||
110 | procedure TLevelChoice.RefreshList; |
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111 | var |
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112 | s: TSearchRec; |
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113 | LevelString: string; |
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114 | begin |
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115 | LevelList.Clear; |
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116 | |||
117 | // Levels auflisten |
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118 | if FindFirst(Format(LVL_FILE, ['*']), faAnyFile, s) = 0 then |
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119 | begin |
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120 | repeat |
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121 | with LevelList.Items.Add do |
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122 | begin |
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123 | Caption := Copy(s.Name, 1, Length(s.Name)-Length(LVL_EXT)); |
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124 | LevelString := Functions.ReadFile(LVL_PATH + s.Name); |
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125 | case GetLevelType(LevelString) of |
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126 | ltStandard: ImageIndex := 0; |
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127 | ltDiagonal: ImageIndex := 1; |
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128 | ltError: ImageIndex := 2; |
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129 | end; |
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130 | end; |
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131 | until FindNext(s) <> 0; |
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132 | FindClose(s); |
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133 | end; |
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134 | end; |
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135 | |||
136 | procedure TLevelChoice.FormResize(Sender: TObject); |
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137 | var |
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138 | p: integer; |
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139 | begin |
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140 | // WIDTH |
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141 | p := ClientWidth - 3*LevelGrp.Left; // 100% useable |
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142 | LevelGrp.Width := Round((1-MET_PREVIEW_SIZE_RATIO) * p); |
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143 | PreviewGrp.Width := Round(MET_PREVIEW_SIZE_RATIO * p); |
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144 | PreviewGrp.Left := 2*LevelGrp.Left + LevelGrp.Width; |
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145 | LevelList.Width := LevelGrp.Width - 2*LevelList.Left; |
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146 | PreviewImage.Width := PreviewGrp.Width - 2*PreviewImage.Left; |
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147 | PlayBtn.Left := (LevelGrp.Left + LevelGrp.Width) - PlayBtn.Width; |
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148 | |||
149 | // HEIGHT |
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150 | LevelGrp.Height := ClientHeight - 3*LevelGrp.Top - PlayBtn.Height; |
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151 | PreviewGrp.Height := LevelGrp.Height; |
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152 | PlayBtn.Top := 2*LevelGrp.Top + LevelGrp.Height; |
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153 | CancelBtn.Top := PlayBtn.Top; |
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154 | LevelList.Height := LevelGrp.Height - 2*LevelList.Top; |
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155 | PreviewImage.Height := PreviewGrp.Height - 2*PreviewImage.Top; |
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156 | |||
157 | // TODO: Icons rearrangieren |
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158 | end; |
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159 | |||
160 | procedure TLevelChoice.FormCreate(Sender: TObject); |
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161 | begin |
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162 | if not ForceDirectories(ExtractFilePath(Application.ExeName) + LVL_PATH) then |
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163 | begin |
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164 | ShowMessage(Format(LNG_COULD_NOT_CREATE_DIR, [LVL_PATH])); |
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165 | end; |
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166 | end; |
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167 | |||
168 | end. |