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/*
client/console.cc
This file is part of the Osirion project and is distributed under
the terms and conditions of the GNU General Public License version 2
*/
#include "client/console.h"
#include "client/video.h"
#include "core/core.h"
#include "render/render.h"
#include <iostream>
#include <cmath>
namespace client {
namespace console {
//--- private definition ------------------------------------------
/// private client console implementation
class Console : public sys::ConsoleInterface {
public:
/// stream to send normal messages too
virtual std::ostream & messagestream();
/// stream to send warning messages too
virtual std::ostream & warningstream();
/// stream to send error messages too
virtual std::ostream & errorstream();
/// stream to send debug messages too
virtual std::ostream & debugstream();
/// console text buffer
std::stringstream buffer;
};
// private client console object
Console console;
// client console input
std::string input;
// console text data
std::deque<std::string> text;
// console visibility
bool console_visible;
//--- engine functions --------------------------------------------
extern "C" void func_con_toggle(std::stringstream &args)
{
console_visible = !console_visible;
}
//--- public ------------------------------------------------------
void init()
{
con_print << "Initializing console..." << std::endl;
console_visible = false;
// add engine functions
core::func::add("con_toggle", func_con_toggle);
}
void shutdown()
{
con_print << "Shutting down console..." << std::endl;
// remove engine functions
core::func::remove("con_toggle");
}
void draw()
{
using namespace render;
flush();
if(!console_visible)
return;
float con_height = 0.70f;
glBindTexture(GL_TEXTURE_2D, render::textures[1]); // bitmaps/conchars.tga
// draw version below the bottom of the console
gl::enable(GL_TEXTURE_2D);
gl::color(0.0f, 1.0f, 0.0f, 0.5f);
std:: string version = std::string("The Osirion Project ");
version.append(VERSION);
draw_text(video::width-CHARWIDTH*(version.size()+1), video::height*con_height-CHARHEIGHT-4, version);
gl::disable(GL_TEXTURE_2D);
// draw the transparent console background
gl::color(1.0f, 1.0f, 1.0f, 0.01f);
gl::begin(gl::Quads);
gl::vertex(0.0f, 0.0f, 0.0f);
gl::vertex(video::width, 0.0f,0.0f);
gl::vertex(video::width,video::height*con_height,0.0f);
gl::vertex(0,video::height*con_height,0.0f);
gl::end();
// draw the console text
gl::enable(GL_TEXTURE_2D);
std::deque<std::string>::reverse_iterator rit = text.rbegin();
float y = video::height*con_height-2*CHARHEIGHT-8;
while (y > 0 && rit < text.rend()) {
std::string line(*rit);
if (line[0] == '?')
gl::color(0.7f,0.7f,0.7f, 1.0f);
else if (line[0] == '*')
gl::color(1.0f,1.0f,0.0f, 1.0f);
else if (line[0] == '!')
gl::color(1.0f,0.0f,0.0f, 1.0f);
else
gl::color(1.0f,1.0f,1.0f, 1.0f);
line.erase(0,2);
draw_text(CHARWIDTH, y, line);
y -= CHARHEIGHT;
++rit;
}
// draw the console input
gl::color(0.0f, 1.0f, 0.0f, 1.0f);
draw_text(CHARWIDTH, video::height*con_height - CHARHEIGHT - 4, input);
// draw cursor
if ((core::time() - ::floorf(core::time())) < 0.5f) {
std::string cursor("_");
draw_text(CHARWIDTH*(input.size()+1), video::height*con_height - CHARHEIGHT - 4 , cursor);
}
gl::disable(GL_TEXTURE_2D);
}
void flush()
{
char line[MAXCMDSIZE];
while(console.buffer.getline(line, MAXCMDSIZE-1)) {
while (text.size() >= MAXCONLINES) {
text.pop_front();
}
text.push_back(std::string(line));
std::cout << line << std::endl;
}
console.buffer.clear();
}
void toggle()
{
console_visible = !console_visible;
}
void handle_keypressed(SDL_keysym* keysym)
{
switch( keysym->sym ) {
case SDLK_RETURN:
if (input.size()) {
core::cmd << input << std::endl;
input.clear();
}
break;
case SDLK_BACKSPACE:
if (input.size()) {
input.erase(input.size()-1, 1);
}
break;
default:
break;
}
if (keysym->sym >= 32 && keysym->sym <= 175) {
input += (char) keysym->sym;
}
}
bool visible()
{
return console_visible;
}
//--- private -----------------------------------------------------
std::ostream & Console::messagestream()
{
return (buffer << ". ");
}
std::ostream & Console::warningstream()
{
return (buffer << "* ");
}
std::ostream & Console::errorstream()
{
return (buffer << "! ");
}
std::ostream & Console::debugstream()
{
return (buffer << "? ");
}
} // namespace console
} // namespace client
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