[4744] | 1 | /* |
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[1853] | 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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[1855] | 10 | |
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| 11 | ### File Specific: |
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[5068] | 12 | main-programmer: Benjamin Grauer |
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[1855] | 13 | co-programmer: ... |
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[1853] | 14 | */ |
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| 15 | |
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[3955] | 16 | //#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_ |
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[1853] | 17 | |
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[5068] | 18 | #include "shell.h" |
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[1853] | 19 | |
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[5072] | 20 | #include "text_engine.h" |
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| 21 | #include "list.h" |
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[5093] | 22 | #include "graphics_engine.h" |
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| 23 | #include "event_handler.h" |
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[5072] | 24 | |
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[5093] | 25 | #include "debug.h" |
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[5075] | 26 | #include <stdarg.h> |
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| 27 | #include <stdio.h> |
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| 28 | |
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[1856] | 29 | using namespace std; |
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[1853] | 30 | |
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[1856] | 31 | |
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[3245] | 32 | /** |
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[4838] | 33 | * standard constructor |
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[5068] | 34 | */ |
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| 35 | Shell::Shell () |
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[3365] | 36 | { |
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[5072] | 37 | this->setClassID(CL_SHELL, "Shell"); |
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| 38 | this->setName("Shell"); |
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| 39 | |
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| 40 | this->buffer = new tList<char>; |
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| 41 | |
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[5080] | 42 | this->textSize = 10; |
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| 43 | |
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[5074] | 44 | //this->bufferSize = 0; |
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[5080] | 45 | this->bufferText = NULL; |
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[5072] | 46 | this->setBufferSize(100); |
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[5083] | 47 | this->setBufferDisplaySize(10); |
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[5093] | 48 | this->setAbsCoor2D(2, GraphicsEngine::getInstance()->getResolutionY()); |
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[5090] | 49 | this->setAbsDir2D(0); |
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[5074] | 50 | |
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[5080] | 51 | this->inputLineText = TextEngine::getInstance()->createText("fonts/earth.ttf", 10, TEXT_DYNAMIC, 255, 0, 0); |
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| 52 | this->inputLineText->setText(NULL); |
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[5093] | 53 | this->inputLine = new char[1]; |
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| 54 | this->inputLine[0] = '\0'; |
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| 55 | |
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| 56 | EventHandler::getInstance()->subscribe(this, ES_GAME, SDLK_BACKQUOTE); |
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| 57 | |
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| 58 | EventHandler* evh = EventHandler::getInstance(); |
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| 59 | for (int i = 1; i < EV_NUMBER; i++) |
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| 60 | EventHandler::getInstance()->subscribe(this, ES_SHELL, i); |
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[5068] | 61 | } |
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[4320] | 62 | |
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[5068] | 63 | Shell* Shell::singletonRef = NULL; |
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[1853] | 64 | |
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[3245] | 65 | /** |
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[4838] | 66 | * standard deconstructor |
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[5068] | 67 | */ |
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| 68 | Shell::~Shell () |
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[3543] | 69 | { |
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| 70 | // delete what has to be deleted here |
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[5080] | 71 | for (int i = 0; i < this->bufferDisplaySize; i++) |
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| 72 | delete this->bufferText[i]; |
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[5079] | 73 | delete this->bufferText; |
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[5093] | 74 | |
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[5080] | 75 | delete this->inputLineText; |
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[5093] | 76 | delete this->inputLine; |
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[5079] | 77 | |
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[5068] | 78 | Shell::singletonRef = NULL; |
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[3543] | 79 | } |
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[5068] | 80 | |
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[5074] | 81 | /** |
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| 82 | * sets The count of Lines to display in the buffer. |
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| 83 | * @param bufferDisplaySize the count of lines to display in the Shell-Buffer. |
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| 84 | */ |
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[5072] | 85 | void Shell::setBufferDisplaySize(unsigned int bufferDisplaySize) |
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| 86 | { |
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[5080] | 87 | if (this->bufferText != NULL) |
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[5072] | 88 | { |
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[5080] | 89 | for (unsigned int i = 0; i < this->bufferDisplaySize; i++) |
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| 90 | delete this->bufferText[i]; |
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| 91 | delete this->bufferText; |
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[5072] | 92 | } |
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[5080] | 93 | |
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| 94 | this->bufferText = new Text*[bufferDisplaySize]; |
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| 95 | for (unsigned int i = 0; i < bufferDisplaySize; i++) |
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[5072] | 96 | { |
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[5080] | 97 | this->bufferText[i] = TextEngine::getInstance()->createText("fonts/earth.ttf", this->textSize, TEXT_DYNAMIC, 255, 0, 0); |
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| 98 | this->bufferText[i]->setAlignment(TEXT_ALIGN_LEFT); |
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[5090] | 99 | this->bufferText[i]->setRelCoor2D(5, 12*i); |
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[5080] | 100 | this->bufferText[i]->setText(NULL); |
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[5089] | 101 | this->bufferText[i]->setParent2D(this); |
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[5072] | 102 | } |
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[5080] | 103 | |
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| 104 | |
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| 105 | this->bufferDisplaySize = bufferDisplaySize; |
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[5072] | 106 | } |
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[5068] | 107 | |
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| 108 | /** |
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| 109 | * deletes all the Buffers |
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| 110 | */ |
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| 111 | void Shell::flushBuffers() |
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| 112 | { |
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[5072] | 113 | // remove all chars from the BufferTexts. |
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[5080] | 114 | if (this->bufferText) |
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| 115 | for (int i; i < this->bufferDisplaySize; i++) |
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| 116 | { |
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| 117 | this->bufferText[i]->setText(NULL); |
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| 118 | } |
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[5068] | 119 | |
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[5072] | 120 | |
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| 121 | // delete all the Chars in the Buffers |
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| 122 | tIterator<char>* charIterator = this->buffer->getIterator(); |
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| 123 | char* charElem = charIterator->nextElement(); |
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| 124 | |
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| 125 | while (charElem != NULL) |
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| 126 | { |
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| 127 | delete charElem; |
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| 128 | |
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| 129 | charElem = charIterator->nextElement(); |
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| 130 | } |
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| 131 | delete charIterator; |
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[5068] | 132 | } |
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| 133 | |
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| 134 | /** |
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| 135 | * adds a new Line to the List of Buffers |
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| 136 | * @param line the Line as in the first argument in printf |
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| 137 | * @param args the arguments as a va_list |
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[5072] | 138 | * |
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| 139 | * @todo optimize |
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[5068] | 140 | */ |
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[5075] | 141 | bool Shell::addBufferLineStatic(const char* line, ...) |
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[5068] | 142 | { |
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[5075] | 143 | va_list arguments; |
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| 144 | va_start(arguments, line); |
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[5072] | 145 | |
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[5092] | 146 | #if DEBUG < 3 |
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[5075] | 147 | if (Shell::singletonRef == NULL) |
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[5089] | 148 | #endif |
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| 149 | |
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| 150 | vprintf(line, arguments); |
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[5092] | 151 | #if DEBUG < 3 |
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[5075] | 152 | else |
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[5092] | 153 | #else |
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| 154 | if (Shell::singletonRef != NULL) |
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[5089] | 155 | #endif |
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[5075] | 156 | Shell::singletonRef->addBufferLine(line, arguments); |
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| 157 | return true; |
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| 158 | } |
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[5080] | 159 | int curr = 0; |
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[5072] | 160 | |
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[5080] | 161 | /** |
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| 162 | * add a Line to the List of Buffers |
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| 163 | * @param line |
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| 164 | * @param arguments |
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| 165 | * |
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| 166 | * This function Adds one line to the buffer. |
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| 167 | * and displays the line as the First Line of the display-buffer |
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| 168 | */ |
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[5075] | 169 | void Shell::addBufferLine(const char* line, va_list arguments) |
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| 170 | { |
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[5078] | 171 | vsprintf(this->bufferArray, line, arguments); |
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[5072] | 172 | |
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[5078] | 173 | char* newLine = new char[strlen(this->bufferArray)+1]; |
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| 174 | strcpy(newLine, this->bufferArray); |
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[5073] | 175 | |
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[5080] | 176 | this->buffer->add(newLine); |
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[5075] | 177 | |
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[5080] | 178 | if (this->buffer->getSize() > this->bufferSize) |
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| 179 | { |
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| 180 | delete this->buffer->firstElement(); |
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| 181 | this->buffer->remove(this->buffer->firstElement()); |
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| 182 | } |
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| 183 | |
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| 184 | if (likely(bufferText != NULL)) |
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| 185 | { |
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| 186 | Text* moveText = this->bufferText[this->bufferDisplaySize-1]; |
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| 187 | for (int i = this->bufferDisplaySize-1; i > 0; i--) |
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| 188 | { |
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| 189 | this->bufferText[i] = this->bufferText[i-1]; |
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| 190 | } |
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| 191 | this->bufferText[0] = moveText; |
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| 192 | } |
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| 193 | this->bufferText[0]->setText(newLine); |
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| 194 | // this->bufferText-> |
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| 195 | // this->inputLineText->setText(newLine); |
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[5068] | 196 | } |
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| 197 | |
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| 198 | /** |
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| 199 | * moves the buffer around lineCount lines upwards (negative values move down) |
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| 200 | * @param lineCount the Count of lines to move upwards |
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[5072] | 201 | * |
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| 202 | * @todo |
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[5068] | 203 | */ |
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| 204 | void Shell::moveBuffer(int lineCount) |
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| 205 | { |
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| 206 | } |
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| 207 | |
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| 208 | /** |
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| 209 | * @param lineNumber the n-th line from the bottom |
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| 210 | * @returns the Buffer at Line lineNumber |
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| 211 | */ |
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| 212 | const char* Shell::getBufferLine(unsigned int lineNumber) |
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| 213 | { |
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[5072] | 214 | tIterator<char>* charIterator = this->buffer->getIterator(); |
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| 215 | char* charElem = charIterator->nextElement(); |
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| 216 | |
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| 217 | int i = 1; |
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| 218 | while (charElem != NULL) |
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| 219 | { |
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| 220 | if (i++ < lineNumber) |
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| 221 | { |
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| 222 | delete charIterator; |
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| 223 | return charElem; |
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| 224 | } |
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| 225 | |
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| 226 | charElem = charIterator->nextElement(); |
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| 227 | } |
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| 228 | delete charIterator; |
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[5068] | 229 | } |
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| 230 | |
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| 231 | |
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| 232 | /** |
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| 233 | * deletes the InputLine |
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| 234 | */ |
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| 235 | void Shell::flushInputLine() |
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| 236 | { |
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[5072] | 237 | if (likely(this->inputLine != NULL)) |
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| 238 | { |
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| 239 | delete [] this->inputLine; |
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| 240 | } |
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| 241 | this->inputLine = new char[1]; |
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| 242 | *this->inputLine = '\0'; |
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| 243 | |
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[5068] | 244 | } |
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| 245 | |
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| 246 | /** |
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| 247 | * adds one character to the inputLine |
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| 248 | * @param character the character to add to the inputLine |
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| 249 | */ |
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| 250 | void Shell::addCharacter(char character) |
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| 251 | { |
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[5072] | 252 | char* addCharLine = new char[strlen(inputLine)+2]; |
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| 253 | |
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| 254 | sprintf(addCharLine, "%s%c", this->inputLine, character); |
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| 255 | delete this->inputLine; |
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| 256 | this->inputLine = addCharLine; |
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[5093] | 257 | this->inputLineText->setText(inputLine); |
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[5068] | 258 | } |
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| 259 | |
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| 260 | /** |
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| 261 | * adds multiple Characters to thr inputLine |
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| 262 | * @param characters a '\0' terminated char-array to add to the InputLine |
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| 263 | */ |
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| 264 | void Shell::addCharacters(const char* characters) |
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| 265 | { |
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[5072] | 266 | char* addCharLine = new char[strlen(inputLine)+strlen(characters)+1]; |
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| 267 | |
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| 268 | sprintf(addCharLine, "%s%s", this->inputLine, characters); |
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| 269 | delete this->inputLine; |
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| 270 | this->inputLine = addCharLine; |
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[5093] | 271 | this->inputLineText->setText(inputLine); |
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[5068] | 272 | } |
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| 273 | |
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| 274 | /** |
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| 275 | * removes characterCount characters from the InputLine |
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| 276 | * @param characterCount the count of Characters to remove from the input Line |
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| 277 | */ |
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| 278 | void Shell::removeCharacters(unsigned int characterCount) |
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| 279 | { |
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[5093] | 280 | if (strlen(this->inputLine) == 0) |
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| 281 | return; |
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| 282 | |
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[5072] | 283 | if (characterCount > strlen(this->inputLine)) |
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| 284 | characterCount = strlen(this->inputLine); |
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| 285 | |
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| 286 | char* removeCharLine = new char[strlen(inputLine)-characterCount+1]; |
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| 287 | |
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| 288 | strncpy(removeCharLine, this->inputLine, strlen(inputLine)-characterCount); |
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[5093] | 289 | removeCharLine[strlen(inputLine)-characterCount] = '\0'; |
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[5072] | 290 | delete this->inputLine; |
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| 291 | this->inputLine = removeCharLine; |
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[5093] | 292 | this->inputLineText->setText(inputLine); |
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[5068] | 293 | } |
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| 294 | |
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[5093] | 295 | #include "key_names.h" |
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[5069] | 296 | /** |
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| 297 | * listens for some event |
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| 298 | * @param event the Event happened |
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| 299 | */ |
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| 300 | void Shell::process(const Event &event) |
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| 301 | { |
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[5093] | 302 | if (event.bPressed) |
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| 303 | { |
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| 304 | PRINTF(4)("Shell received command %s\n", SDLKToKeyname(event.type)); |
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| 305 | if (event.type == SDLK_BACKQUOTE) |
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| 306 | { |
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| 307 | if (EventHandler::getInstance()->getState() == ES_GAME) |
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| 308 | EventHandler::getInstance()->setState(ES_SHELL); |
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| 309 | else |
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| 310 | EventHandler::getInstance()->setState(ES_GAME); |
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| 311 | } |
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[5068] | 312 | |
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[5093] | 313 | else if (event.type == SDLK_TAB) |
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| 314 | this->autoComplete(); |
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| 315 | else if (event.type == SDLK_BACKSPACE) |
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| 316 | this->removeCharacters(1); |
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| 317 | else if (event.type < 127) |
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| 318 | this->addCharacter(event.type); |
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| 319 | } |
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[5069] | 320 | } |
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| 321 | |
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[5068] | 322 | /** |
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| 323 | * ticks the Shell for dt Seconds |
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| 324 | * @param dt the elapsed time since the last tick(); |
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| 325 | */ |
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[5074] | 326 | //void Shell::tick(float dt) |
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| 327 | //{ |
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| 328 | //} |
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[5068] | 329 | |
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| 330 | /** |
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| 331 | * displays the Shell |
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| 332 | */ |
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| 333 | void Shell::draw() const |
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| 334 | { |
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| 335 | } |
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| 336 | |
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| 337 | |
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| 338 | /** |
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| 339 | * autocompletes the Shell's inputLine |
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| 340 | * @returns true, if a result was found, false otherwise |
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| 341 | */ |
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| 342 | bool Shell::autoComplete() |
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| 343 | { |
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[5093] | 344 | PRINTF(3)("AutoCompletion not implemented yet\n"); |
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[5068] | 345 | } |
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| 346 | |
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| 347 | /** |
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| 348 | * displays some nice output from the Shell |
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| 349 | */ |
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| 350 | void Shell::debug() const |
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| 351 | { |
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| 352 | |
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| 353 | } |
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