[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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[5129] | 19 | #include "shell_command.h" |
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[5175] | 20 | #include "shell_buffer.h" |
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[5179] | 21 | #include "shell_input.h" |
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[1853] | 22 | |
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[5175] | 23 | |
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[5344] | 24 | #include "text.h" |
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[5072] | 25 | #include "list.h" |
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[5093] | 26 | #include "graphics_engine.h" |
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| 27 | #include "event_handler.h" |
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[5129] | 28 | #include "debug.h" |
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[5113] | 29 | #include "class_list.h" |
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| 30 | |
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| 31 | #include "key_names.h" |
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[5075] | 32 | #include <stdarg.h> |
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| 33 | #include <stdio.h> |
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| 34 | |
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[1856] | 35 | using namespace std; |
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[1853] | 36 | |
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[5201] | 37 | SHELL_COMMAND(clear, Shell, clear) |
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| 38 | ->describe("Clears the shell from unwanted lines (empties all buffers)") |
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| 39 | ->setAlias("clear"); |
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| 40 | SHELL_COMMAND(deactivate, Shell, deactivate) |
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| 41 | ->describe("Deactivates the Shell. (moves it into background)") |
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[5204] | 42 | ->setAlias("hide"); |
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[5208] | 43 | SHELL_COMMAND(textsize, Shell, setTextSize) |
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[5253] | 44 | ->describe("Sets the size of the Text (size, linespacing)") |
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[5254] | 45 | ->defaultValues(1, 15, 0); |
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| 46 | SHELL_COMMAND(font, Shell, setFont) |
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| 47 | ->describe("Sets the font of the Shell") |
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| 48 | ->defaultValues(1, SHELL_DEFAULT_FONT); |
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[1856] | 49 | |
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[3245] | 50 | /** |
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[4838] | 51 | * standard constructor |
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[5068] | 52 | */ |
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| 53 | Shell::Shell () |
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[3365] | 54 | { |
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[5072] | 55 | this->setClassID(CL_SHELL, "Shell"); |
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| 56 | this->setName("Shell"); |
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| 57 | |
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[5245] | 58 | // EVENT-Handler subscription of '`' to all States. |
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| 59 | EventHandler::getInstance()->subscribe(this, ES_ALL, SDLK_BACKQUOTE); |
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[5246] | 60 | EventHandler::getInstance()->subscribe(this, ES_SHELL, SDLK_PAGEUP); |
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| 61 | EventHandler::getInstance()->subscribe(this, ES_SHELL, SDLK_PAGEDOWN); |
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[5206] | 62 | |
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[5183] | 63 | // Element2D and generals |
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[5175] | 64 | this->setAbsCoor2D(3, -400); |
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[5329] | 65 | this->textSize = 20; |
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[5208] | 66 | this->lineSpacing = 0; |
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[5113] | 67 | this->bActive = false; |
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[5253] | 68 | this->fontFile = new char[strlen(SHELL_DEFAULT_FONT)+1]; |
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| 69 | strcpy(this->fontFile, SHELL_DEFAULT_FONT); |
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[5072] | 70 | |
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[5175] | 71 | // BUFFER |
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| 72 | this->bufferText = NULL; |
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[5209] | 73 | this->bufferDisplaySize = 10; |
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[5246] | 74 | this->bufferOffset = 0; |
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[5248] | 75 | this->bufferIterator = ShellBuffer::getInstance()->getBuffer()->getIterator(); |
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[5080] | 76 | |
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[5175] | 77 | // INPUT LINE |
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[5179] | 78 | this->shellInput = new ShellInput; |
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[5175] | 79 | //this->commandList = new tList<ShellCommand>; |
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[5093] | 80 | |
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[5113] | 81 | this->rebuildText(); |
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[5335] | 82 | |
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| 83 | // register the shell at the ShellBuffer |
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| 84 | ShellBuffer::getInstance()->registerShell(this); |
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[5068] | 85 | } |
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[4320] | 86 | |
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[3245] | 87 | /** |
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[4838] | 88 | * standard deconstructor |
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[5068] | 89 | */ |
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| 90 | Shell::~Shell () |
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[3543] | 91 | { |
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[5335] | 92 | ShellBuffer::getInstance()->unregisterShell(this); |
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| 93 | |
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[5099] | 94 | // delete the displayable Buffers |
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[5227] | 95 | for (unsigned int i = 0; i < this->bufferDisplaySize; i++) |
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[5080] | 96 | delete this->bufferText[i]; |
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[5113] | 97 | delete[] this->bufferText; |
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[5248] | 98 | delete this->bufferIterator; |
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[5251] | 99 | delete[] this->fontFile; |
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[5099] | 100 | // delete the inputLine |
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[5180] | 101 | delete this->shellInput; |
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[3543] | 102 | } |
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[5068] | 103 | |
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[5119] | 104 | /** |
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| 105 | * activates the shell |
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| 106 | * |
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| 107 | * This also feeds the Last few lines from the main buffers into the displayBuffer |
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| 108 | */ |
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[5113] | 109 | void Shell::activate() |
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| 110 | { |
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| 111 | if (this->bActive == true) |
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| 112 | PRINTF(3)("The shell is already active\n"); |
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| 113 | this->bActive = true; |
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| 114 | |
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| 115 | EventHandler::getInstance()->setState(ES_SHELL); |
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| 116 | this->setRelCoorSoft2D(0, 0, 1, 5); |
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[5118] | 117 | |
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[5246] | 118 | tIterator<char>* bufferIT = ShellBuffer::getInstance()->getBuffer()->getIterator(); |
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| 119 | bufferIT->lastElement(); |
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| 120 | for (int i = 0; i < this->bufferDisplaySize; i++) |
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[5247] | 121 | { |
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| 122 | this->bufferText[i]->setText(bufferIT->getCurrent(), true); |
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| 123 | bufferIT->prevStep(); |
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| 124 | } |
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[5246] | 125 | delete bufferIT; |
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[5113] | 126 | } |
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| 127 | |
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[5119] | 128 | /** |
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| 129 | * deactiveates the Shell. |
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| 130 | */ |
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[5113] | 131 | void Shell::deactivate() |
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| 132 | { |
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| 133 | if (this->bActive == false) |
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| 134 | PRINTF(3)("The shell is already inactive\n"); |
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| 135 | this->bActive = false; |
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| 136 | |
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| 137 | EventHandler::getInstance()->setState(ES_GAME); |
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[5253] | 138 | this->setRelCoorSoft2D(0, -(int)this->shellHeight, 1, 5); |
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[5118] | 139 | |
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[5246] | 140 | tIterator<char>* bufferIT = ShellBuffer::getInstance()->getBuffer()->getIterator(); |
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| 141 | bufferIT->lastElement(); |
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[5157] | 142 | for (int i = 0; i < this->bufferDisplaySize; i++) |
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[5247] | 143 | { |
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[5256] | 144 | this->bufferText[i]->setText(bufferIT->getCurrent(), false); |
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[5247] | 145 | bufferIT->prevStep(); |
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| 146 | } |
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[5246] | 147 | delete bufferIT; |
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[5248] | 148 | |
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| 149 | this->bufferOffset = 0; |
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[5113] | 150 | } |
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| 151 | |
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[5119] | 152 | /** |
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[5251] | 153 | * sets the File to load the fonts from |
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| 154 | * @param fontFile the file to load the font from |
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[5254] | 155 | * |
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| 156 | * it is quite important, that the font pointed too really exists! |
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| 157 | * (be aware that within orxonox fontFile is relative to the Data-Dir) |
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[5251] | 158 | */ |
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| 159 | void Shell::setFont(const char* fontFile) |
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| 160 | { |
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[5335] | 161 | // if (!ResourceManager::isInDataDir(fontFile)) |
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| 162 | // return false; |
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| 163 | |
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[5251] | 164 | if (this->fontFile != NULL) |
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| 165 | delete[] this->fontFile; |
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| 166 | |
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| 167 | this->fontFile = new char[strlen(fontFile)+1]; |
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| 168 | strcpy(this->fontFile, fontFile); |
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| 169 | |
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[5253] | 170 | this->rebuildText(); |
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[5251] | 171 | } |
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| 172 | |
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| 173 | /** |
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[5119] | 174 | * sets the size of the text and spacing |
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| 175 | * @param textSize the size of the Text in Pixels |
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| 176 | * @param lineSpacing the size of the Spacing between two lines in pixels |
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| 177 | * |
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| 178 | * this also rebuilds the entire Text, inputLine and displayBuffer, |
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| 179 | * to be accurate again. |
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| 180 | */ |
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[5113] | 181 | void Shell::setTextSize(unsigned int textSize, unsigned int lineSpacing) |
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| 182 | { |
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| 183 | this->textSize = textSize; |
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| 184 | this->lineSpacing = lineSpacing; |
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[5251] | 185 | this->shellInput->setFont(this->fontFile, this->textSize); |
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[5113] | 186 | |
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[5253] | 187 | this->rebuildText(); |
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[5113] | 188 | } |
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| 189 | |
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[5127] | 190 | /** |
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| 191 | * rebuilds the Text's |
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| 192 | * |
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| 193 | * use this function, if you changed the Font/Size or something else. |
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| 194 | */ |
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[5113] | 195 | void Shell::rebuildText() |
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| 196 | { |
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[5251] | 197 | this->shellInput->setFont(this->fontFile, this->textSize); |
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[5179] | 198 | this->shellInput->setColor(1, 0, 0); |
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| 199 | this->shellInput->setAlignment(TEXT_ALIGN_LEFT); |
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[5253] | 200 | if (shellInput->getParent() != this) |
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| 201 | this->shellInput->setParent2D(this); |
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[5179] | 202 | this->shellInput->setRelCoor2D(5, (this->textSize + this->lineSpacing)*this->bufferDisplaySize + this->textSize); |
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[5113] | 203 | |
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| 204 | this->setBufferDisplaySize(this->bufferDisplaySize); |
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| 205 | } |
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| 206 | |
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[5074] | 207 | /** |
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| 208 | * sets The count of Lines to display in the buffer. |
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| 209 | * @param bufferDisplaySize the count of lines to display in the Shell-Buffer. |
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| 210 | */ |
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[5072] | 211 | void Shell::setBufferDisplaySize(unsigned int bufferDisplaySize) |
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| 212 | { |
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[5251] | 213 | Text** bufferText = this->bufferText; |
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| 214 | this->bufferText = NULL; |
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| 215 | if (bufferText != NULL) |
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[5072] | 216 | { |
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[5080] | 217 | for (unsigned int i = 0; i < this->bufferDisplaySize; i++) |
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[5251] | 218 | delete bufferText[i]; |
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| 219 | delete[] bufferText; |
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[5072] | 220 | } |
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[5080] | 221 | |
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[5253] | 222 | tIterator<char>* it = ShellBuffer::getInstance()->getBuffer()->getIterator(); |
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| 223 | char* text = it->lastElement(); |
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[5251] | 224 | bufferText = new Text*[bufferDisplaySize]; |
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[5080] | 225 | for (unsigned int i = 0; i < bufferDisplaySize; i++) |
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[5072] | 226 | { |
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[5344] | 227 | bufferText[i] = new Text(this->fontFile, this->textSize, TEXT_RENDER_DYNAMIC); |
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[5251] | 228 | bufferText[i]->setColor(1, 0, 0); |
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| 229 | bufferText[i]->setAlignment(TEXT_ALIGN_LEFT); |
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| 230 | bufferText[i]->setRelCoor2D(calculateLinePosition(i)); |
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[5253] | 231 | bufferText[i]->setText(text); |
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[5251] | 232 | bufferText[i]->setParent2D(this); |
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[5253] | 233 | text = it->prevElement(); |
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[5072] | 234 | } |
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[5253] | 235 | delete it; |
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[5113] | 236 | this->bufferDisplaySize = bufferDisplaySize; |
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[5111] | 237 | |
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[5251] | 238 | this->bufferText = bufferText; |
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[5113] | 239 | this->shellHeight = (this->textSize + this->lineSpacing) * (bufferDisplaySize+1); |
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[5072] | 240 | } |
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[5068] | 241 | |
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| 242 | /** |
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| 243 | * deletes all the Buffers |
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| 244 | */ |
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[5175] | 245 | void Shell::flush() |
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[5068] | 246 | { |
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[5072] | 247 | // remove all chars from the BufferTexts. |
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[5251] | 248 | if (this->bufferText != NULL) |
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[5125] | 249 | for (int i = 0; i < this->bufferDisplaySize; i++) |
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[5080] | 250 | { |
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[5125] | 251 | this->bufferText[i]->setText(NULL, true); |
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[5080] | 252 | } |
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[5246] | 253 | |
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| 254 | ShellBuffer::getInstance()->flush(); |
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| 255 | // BUFFER FLUSHING |
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[5068] | 256 | } |
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| 257 | |
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| 258 | /** |
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[5118] | 259 | * prints out some text to the input-buffers |
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| 260 | * @param text the text to output. |
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| 261 | */ |
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| 262 | void Shell::printToDisplayBuffer(const char* text) |
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| 263 | { |
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| 264 | if(likely(bufferText != NULL)) |
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| 265 | { |
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| 266 | Text* lastText = this->bufferText[this->bufferDisplaySize-1]; |
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[5113] | 267 | |
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[5118] | 268 | Text* swapText; |
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| 269 | Text* moveText = this->bufferText[0]; |
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[5120] | 270 | this->bufferText[0]->setRelCoorSoft2D(this->calculateLinePosition(1),10); |
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[5118] | 271 | for (unsigned int i = 1; i < this->bufferDisplaySize; i++) |
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| 272 | { |
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| 273 | if ( i < this->bufferDisplaySize-1) |
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[5120] | 274 | this->bufferText[i]->setRelCoorSoft2D(this->calculateLinePosition(i+1),5); |
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[5118] | 275 | swapText = this->bufferText[i]; |
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| 276 | this ->bufferText[i] = moveText; |
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| 277 | moveText = swapText; |
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| 278 | } |
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[5120] | 279 | lastText->setRelCoor2D(this->calculateLinePosition(0)); |
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[5118] | 280 | this->bufferText[0] = lastText; |
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| 281 | |
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[5122] | 282 | this->bufferText[0]->setText(text, true); |
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[5118] | 283 | } |
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[5068] | 284 | } |
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| 285 | |
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| 286 | /** |
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[5246] | 287 | * moves the Display buffer (up or down) |
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| 288 | * @param lineCount the count by which to shift the InputBuffer. |
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| 289 | */ |
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| 290 | void Shell::moveDisplayBuffer(int lineCount) |
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| 291 | { |
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[5248] | 292 | if (!this->bufferIterator->compareListPointer(ShellBuffer::getInstance()->getBuffer())) |
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| 293 | { |
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| 294 | delete this->bufferIterator; |
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| 295 | this->bufferIterator = ShellBuffer::getInstance()->getBuffer()->getIterator(); |
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| 296 | } |
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[5246] | 297 | |
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[5248] | 298 | if (this->bufferOffset == 0) |
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| 299 | { |
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| 300 | this->bufferIterator->lastElement(); |
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| 301 | // for (unsigned int i = 0; i < this->bufferDisplaySize; i++) |
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| 302 | // this->bufferIterator->prevStep(); |
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| 303 | } |
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[5246] | 304 | |
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[5248] | 305 | // boundraries |
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| 306 | if (this->bufferOffset + lineCount > (int)ShellBuffer::getInstance()->getBuffer()->getSize()) |
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| 307 | lineCount = (int)ShellBuffer::getInstance()->getBuffer()->getSize()- this->bufferOffset; |
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| 308 | else if (this->bufferOffset + lineCount < 0) |
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| 309 | lineCount = -bufferOffset; |
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| 310 | this->bufferOffset += lineCount; |
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| 311 | |
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| 312 | // moving the iterator to the right position |
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| 313 | int move = 0; |
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| 314 | while (move != lineCount) |
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| 315 | { |
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| 316 | if (move < lineCount) |
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| 317 | { |
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| 318 | ++move; |
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| 319 | this->bufferIterator->prevStep(); |
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| 320 | } |
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| 321 | else |
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| 322 | { |
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| 323 | --move; |
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| 324 | this->bufferIterator->nextStep(); |
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| 325 | } |
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| 326 | } |
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| 327 | // redisplay the buffers |
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| 328 | tIterator<char> it = *this->bufferIterator; |
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| 329 | for (unsigned int i = 0; i < this->bufferDisplaySize; i++) |
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| 330 | { |
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| 331 | this->bufferText[i]->setText(it.getCurrent(), false); |
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| 332 | it.prevStep(); |
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| 333 | } |
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[5246] | 334 | } |
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| 335 | |
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| 336 | /** |
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[5166] | 337 | * clears the Shell (empties all buffers) |
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| 338 | */ |
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[5130] | 339 | void Shell::clear() |
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| 340 | { |
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[5175] | 341 | this->flush(); |
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| 342 | ShellBuffer::addBufferLineStatic("orxonox - shell\n ==================== \n", NULL); |
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[5130] | 343 | } |
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| 344 | |
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[5069] | 345 | /** |
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| 346 | * listens for some event |
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| 347 | * @param event the Event happened |
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| 348 | */ |
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| 349 | void Shell::process(const Event &event) |
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| 350 | { |
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[5093] | 351 | if (event.bPressed) |
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| 352 | { |
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| 353 | if (event.type == SDLK_BACKQUOTE) |
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| 354 | { |
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| 355 | if (EventHandler::getInstance()->getState() == ES_GAME) |
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[5113] | 356 | this->activate(); |
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[5093] | 357 | else |
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[5113] | 358 | this->deactivate(); |
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[5093] | 359 | } |
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[5246] | 360 | else if (event.type == SDLK_PAGEUP) |
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| 361 | { |
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[5248] | 362 | this->moveDisplayBuffer(+this->bufferDisplaySize-1); |
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[5246] | 363 | } |
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| 364 | else if (event.type == SDLK_PAGEDOWN) |
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| 365 | { |
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[5248] | 366 | this->moveDisplayBuffer(-this->bufferDisplaySize+1); |
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[5246] | 367 | } |
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[5093] | 368 | } |
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[5069] | 369 | } |
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| 370 | |
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[5068] | 371 | /** |
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| 372 | * displays the Shell |
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| 373 | */ |
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| 374 | void Shell::draw() const |
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| 375 | { |
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[5099] | 376 | glPushMatrix(); |
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| 377 | // transform for alignment. |
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| 378 | // setting the Blending effects |
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| 379 | |
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| 380 | glColor4f(0.0f, 0.0f, 0.8f, .4); |
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| 381 | glEnable(GL_BLEND); |
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| 382 | glDisable(GL_TEXTURE_2D); |
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| 383 | glBlendFunc(GL_SRC_ALPHA, GL_ONE); |
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| 384 | |
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[5158] | 385 | glBindTexture(GL_TEXTURE_2D, 0); |
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| 386 | glBegin(GL_TRIANGLE_STRIP); |
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[5099] | 387 | |
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[5158] | 388 | glTexCoord2f(0, 0); |
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[5099] | 389 | glVertex2f(this->getAbsCoor2D().x, this->getAbsCoor2D().y ); |
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| 390 | |
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[5158] | 391 | glTexCoord2f(1, 0); |
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[5113] | 392 | glVertex2f(GraphicsEngine::getInstance()->getResolutionX() - this->getAbsCoor2D().x, this->getAbsCoor2D().y ); |
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[5099] | 393 | |
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[5158] | 394 | glTexCoord2f(0, 1); |
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| 395 | glVertex2f(this->getAbsCoor2D().x, this->getAbsCoor2D().y + this->shellHeight); |
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| 396 | |
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| 397 | glTexCoord2f(1, 1); |
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[5113] | 398 | glVertex2f(GraphicsEngine::getInstance()->getResolutionX() - this->getAbsCoor2D().x, this->getAbsCoor2D().y + this->shellHeight); |
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[5099] | 399 | |
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| 400 | glEnd(); |
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[5068] | 401 | } |
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| 402 | |
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[5120] | 403 | /////////////////////// |
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| 404 | // HELPER FUNCTIONS // |
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| 405 | /////////////////////// |
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[5166] | 406 | |
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| 407 | /** |
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| 408 | * calculates the position of a Buffer-Display Line |
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| 409 | * @param lineNumber the lineNumber from the bottom to calculate the position from |
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| 410 | * @returns the Position of the Line. |
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| 411 | */ |
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[5120] | 412 | Vector Shell::calculateLinePosition(unsigned int lineNumber) |
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| 413 | { |
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[5124] | 414 | return Vector(5, (this->textSize + this->lineSpacing)*(this->bufferDisplaySize - lineNumber -1) + this->textSize, 0); |
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[5120] | 415 | } |
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| 416 | |
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| 417 | |
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| 418 | |
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[5113] | 419 | /** |
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[5068] | 420 | * displays some nice output from the Shell |
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| 421 | */ |
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| 422 | void Shell::debug() const |
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| 423 | { |
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[5119] | 424 | PRINT(3)("Debugging output to console (not this shell)\n"); |
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| 425 | |
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[5180] | 426 | // if (this->pressedKey != SDLK_FIRST) |
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| 427 | // printf("%s::%f %f\n", SDLKToKeyname(this->pressedKey), this->delayed, this->repeatDelay); |
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[5119] | 428 | |
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| 429 | |
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[5177] | 430 | ShellBuffer::getInstance()->debug(); |
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[5068] | 431 | } |
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[5166] | 432 | |
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| 433 | // void Shell::testI (int i) |
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| 434 | // { |
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| 435 | // PRINTF(3)("This is the Test for one Int '%d'\n", i); |
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| 436 | // } |
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| 437 | // |
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| 438 | // void Shell::testS (const char* s) |
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| 439 | // { |
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| 440 | // PRINTF(3)("This is the Test for one String '%s'\n", s); |
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| 441 | // } |
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| 442 | // |
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| 443 | // void Shell::testB (bool b) |
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| 444 | // { |
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| 445 | // PRINTF(3)("This is the Test for one Bool: "); |
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| 446 | // if (b) |
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| 447 | // PRINTF(3)("true\n"); |
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| 448 | // else |
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| 449 | // PRINTF(3)("false\n"); |
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| 450 | // } |
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| 451 | // |
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| 452 | // void Shell::testF (float f) |
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| 453 | // { |
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| 454 | // PRINTF(3)("This is the Test for one Float '%f'\n", f); |
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| 455 | // } |
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| 456 | // |
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| 457 | // void Shell::testSF (const char* s, float f) |
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| 458 | // { |
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| 459 | // PRINTF(3)("This is the Test for one String '%s' and one Float '%f'\n",s , f); |
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| 460 | // } |
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