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console.cpp
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console.cpp
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#include "r-tech1/console.h"
#include "r-tech1/graphics/bitmap.h"
#include "r-tech1/font.h"
#include "r-tech1/funcs.h"
#include "r-tech1/file-system.h"
#include "r-tech1/exceptions/exception.h"
#include "r-tech1/input/input-manager.h"
#include "r-tech1/input/input-map.h"
#include "r-tech1/debug.h"
#include <string>
#include <sstream>
#include <string.h>
using namespace std;
namespace Console{
ConsoleEnd Console::endl;
static void doProcess(void * self){
Console * console = (Console*) self;
console->activate();
}
static void doToggle(void * self){
Console * console = (Console*) self;
console->toggle();
}
static void doPreviousHistory(void * self){
Console * console = (Console*) self;
console->previousHistory();
}
static void doNextHistory(void * self){
Console * console = (Console*) self;
console->nextHistory();
}
static void doTabComplete(void * self){
Console * console = (Console*) self;
console->tabComplete();
}
static void doPageUp(void * self){
Console * console = (Console*) self;
console->pageUp();
}
static void doPageDown(void * self){
Console * console = (Console*) self;
console->pageDown();
}
static void doFontIncrease(void * self){
Console * console = (Console*) self;
console->fontIncrease();
}
static void doFontDecrease(void * self){
Console * console = (Console*) self;
console->fontDecrease();
}
Console::Console(const int maxHeight, const Filesystem::RelativePath & font):
state(Closed),
maxHeight(maxHeight),
height(0),
font(font),
textHeight(15),
textWidth(15),
offset(0),
historyIndex(0),
pagePosition(-1){
textInput.addBlockingHandle(Keyboard::Key_TILDE, doToggle, this);
textInput.addBlockingHandle(Keyboard::Key_ENTER, doProcess, this);
textInput.addBlockingHandle(Keyboard::Key_UP, doPreviousHistory, this);
textInput.addBlockingHandle(Keyboard::Key_DOWN, doNextHistory, this);
textInput.addBlockingHandle(Keyboard::Key_TAB, doTabComplete, this);
textInput.addBlockingHandle(Keyboard::Key_PGUP, doPageUp, this);
textInput.addBlockingHandle(Keyboard::Key_PGDN, doPageDown, this);
textInput.addBlockingHandle(Keyboard::Key_EQUALS, doFontIncrease, this);
textInput.addBlockingHandle(Keyboard::Key_MINUS, doFontDecrease, this);
}
Console::~Console(){
textInput.disable();
}
/* attempt to complete the current text to a command */
void Console::tabComplete(){
string text = textInput.getText();
for (map<string, Util::ReferenceCount<Command> >::iterator it = commands.begin(); it != commands.end(); it++){
string what = it->first;
if (what.find(text) == 0){
Global::debug(0) << "Auto complete '" << what << "'" << std::endl;
textInput.setText(what);
return;
}
}
}
void Console::addCommand(const std::string & name, const Util::ReferenceCount<Command> & command){
if (command == NULL){
return;
}
if (commands[name] != 0){
Global::debug(0) << "Warning: duplicate console command for '" << name << "'" << std::endl;
}
commands[name] = command;
}
void Console::addAlias(const std::string & alias, const std::string & name){
addCommand(alias, commands[name]);
}
void Console::fontIncrease(){
textWidth += 1;
textHeight += 1;
}
void Console::fontDecrease(){
if (textWidth > 2){
textWidth -= 1;
}
if (textHeight > 2){
textHeight -= 1;
}
}
void Console::previousHistory(){
if (historyIndex < history.size()){
textInput.setText(history[historyIndex]);
historyIndex += 1;
}
}
void Console::nextHistory(){
if (historyIndex > 0){
historyIndex -= 1;
textInput.setText(history[historyIndex]);
} else {
textInput.setText(string());
}
}
static const int PAGE_MOVEMENT = 3;
void Console::pageUp(){
if (pagePosition == -1){
pagePosition = lines.size();
}
pagePosition -= PAGE_MOVEMENT;
if (pagePosition < PAGE_MOVEMENT){
pagePosition = PAGE_MOVEMENT;
}
}
void Console::pageDown(){
if (pagePosition != -1){
pagePosition += PAGE_MOVEMENT;
}
if (pagePosition >= (int) lines.size()){
pagePosition = -1;
}
}
void Console::act(){
double speed = 10.0;
switch (state){
case Closed : {
break;
}
case Open : {
break;
}
case Closing : {
int distance = height;
height -= (int)((double)distance / speed + 1.0);
if (height <= 0){
height = 0;
state = Closed;
}
break;
}
case Opening : {
int distance = maxHeight - height;
height += (int)((double)distance / speed + 1.0);
if (height >= maxHeight){
height = maxHeight;
state = Open;
}
break;
}
}
}
/*
static bool isChar(char c){
const char * letters = "abcdefghijklmnopqrstuvwxyz ,.";
return strchr(letters, c) != NULL;
}
*/
void Console::activate(){
if (textInput.getText() != ""){
process(textInput.getText());
}
textInput.clearInput();
}
bool Console::isActive() const {
return state == Open || state == Opening;
}
/* console input */
bool Console::doInput() {
if (state == Closed || state == Closing){
return false;
}
textInput.doInput();
return true;
}
void Console::draw(const Graphics::Bitmap & work){
int x = 3;
/* if we can show something */
if (height > 0){
Graphics::Bitmap::transBlender(0, 0, 0, 160);
work.translucent().rectangleFill(0, 0, work.getWidth(), height, Graphics::makeColor(200,0,0));
work.translucent().horizontalLine(0, height, work.getWidth(), Graphics::makeColor(200, 200, 200));
const Font & font = Font::getFont(getFont(), textWidth, textHeight);
int start = height - font.getHeight() * 2;
Graphics::Color white = Graphics::makeColor(255, 255, 255);
int position = 0;
if (pagePosition != -1){
position = lines.size() - pagePosition;
}
for (std::vector<std::string>::reverse_iterator i = lines.rbegin() + position; i != lines.rend() && start > 0; ++i){
std::string str = *i;
font.printf(x, start, white, work, str, 0);
start -= font.getHeight();
}
if (position != 0){
for (int x0 = 0; x0 < 5; x0++){
work.circleFill(x + x0 * 5, height - font.getHeight() - 2, 1, white);
}
}
font.printf(x, height - font.getHeight(), white, work, "> " + textInput.getText() + "|", 0);
}
}
void Console::toggle(){
switch (state){
case Open:
case Opening: {
state = Closing;
textInput.disable();
break;
}
case Closed:
case Closing: {
state = Opening;
textInput.enable();
break;
}
}
}
static vector<string> split(string str, char splitter){
vector<string> strings;
size_t next = str.find(splitter);
while (next != string::npos){
strings.push_back(str.substr(0, next));
str = str.substr(next+1);
next = str.find(splitter);
}
if (str != ""){
strings.push_back(str);
}
return strings;
}
/* do something with a command */
void Console::process(const string & command){
/* reset history index */
historyIndex = 0;
/* don't duplicate history */
if (history.size() == 0 || (history.size() > 0 && !(command == history[1]))){
history.push_front(command);
}
string start = command;
if (command.find(' ') != string::npos){
start = command.substr(0, command.find(' '));
}
const map<string, Util::ReferenceCount<Command> > & commandSet = commands;
if (commandSet.find(start) != commandSet.end()){
map<string, Util::ReferenceCount<Command> >::const_iterator found = commandSet.find(start);
addLine(found->second->act(command));
} else {
addLine("Unknown command '" + start + "'");
}
}
void Console::addLine(const std::string & line){
vector<string> each = split(line, '\n');
for (vector<string>::iterator it = each.begin(); it != each.end(); it++){
lines.push_back(*it);
}
}
Console & Console::operator<<(const ConsoleEnd & e){
return *this;
}
void Console::clear(){
lines.clear();
}
vector<Util::ReferenceCount<Command> > Console::getCommands() const {
vector<Util::ReferenceCount<Command> > out;
for (map<std::string, Util::ReferenceCount<Command> >::const_iterator it = commands.begin(); it != commands.end(); it++){
Util::ReferenceCount<Command> command = it->second;
if (command != NULL){
out.push_back(command);
}
}
return out;
}
}

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