// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
#include <config.h>
+
#include <iostream>
#include "console.hpp"
#include "video/drawing_context.hpp"
#include "video/surface.hpp"
+#include "scripting/squirrel_error.hpp"
+#include "scripting/wrapper_util.hpp"
#include "player_status.hpp"
+#include "script_manager.hpp"
#include "main.hpp"
#include "resources.hpp"
-namespace {
- int ticks; // TODO: use a clock?
-}
+/// speed (pixels/s) the console closes
+static const float FADE_SPEED = 1;
-Console::Console(DrawingContext* context) : context(context)
+Console::Console()
+ : backgroundOffset(0), height(0), alpha(1.0), offset(0), focused(false),
+ stayOpen(0)
{
- background = new Surface("images/engine/console.jpg");
+ font.reset(new Font("images/engine/fonts/white-small.png",
+ "images/engine/fonts/shadow-small.png", 8, 9, 1));
+ background.reset(new Surface("images/engine/console.png"));
+ background2.reset(new Surface("images/engine/console2.png"));
}
Console::~Console()
{
- delete background;
}
void
}
}
+void
+Console::execute_script(const std::string& command)
+{
+ using namespace Scripting;
+
+ HSQUIRRELVM vm = ScriptManager::instance->get_vm();
+
+ if(command == "")
+ return;
+
+ int oldtop = sq_gettop(vm);
+ try {
+ if(SQ_FAILED(sq_compilebuffer(vm, command.c_str(), command.length(),
+ "", SQTrue)))
+ throw SquirrelError(vm, "Couldn't compile command");
+
+ sq_pushroottable(vm);
+ if(SQ_FAILED(sq_call(vm, 1, SQTrue)))
+ throw SquirrelError(vm, "Problem while executing command");
+
+ if(sq_gettype(vm, -1) != OT_NULL)
+ addLine(squirrel2string(vm, -1));
+ } catch(std::exception& e) {
+ addLine(e.what());
+ }
+ int newtop = sq_gettop(vm);
+ if(newtop < oldtop) {
+ log_fatal << "Script destroyed squirrel stack..." << std::endl;
+ } else {
+ sq_settop(vm, oldtop);
+ }
+}
+
+void
+Console::backspace()
+{
+ std::string s = inputBuffer.str();
+ if (s.length() > 0) {
+ s.erase(s.length()-1);
+ inputBuffer.str(s);
+ inputBuffer.pubseekoff(0, std::ios_base::end, std::ios_base::out);
+ }
+}
+
+void
+Console::scroll(int numLines)
+{
+ offset += numLines;
+ if (offset > 0) offset = 0;
+}
+
+void
+Console::autocomplete()
+{
+ std::string cmdPart = inputBuffer.str();
+ addLine("> "+cmdPart);
+
+ std::string cmdList = "";
+ int cmdListLen = 0;
+ for (std::map<std::string, std::list<ConsoleCommandReceiver*> >::iterator i = commands.begin(); i != commands.end(); i++) {
+ std::string cmdKnown = i->first;
+ if (cmdKnown.substr(0, cmdPart.length()) == cmdPart) {
+ if (cmdListLen > 0) cmdList = cmdList + ", ";
+ cmdList = cmdList + cmdKnown;
+ cmdListLen++;
+ }
+ }
+ if (cmdListLen == 0) addLine("No known command starts with \""+cmdPart+"\"");
+ if (cmdListLen == 1) {
+ inputBuffer.str(cmdList);
+ inputBuffer.pubseekoff(0, std::ios_base::end, std::ios_base::out);
+ }
+ if (cmdListLen > 1) addLine(cmdList);
+}
+
void
Console::addLine(std::string s)
{
+ std::cerr << s << std::endl;
+ while (s.length() > 99) {
+ lines.push_front(s.substr(0, 99-3)+"...");
+ s = "..."+s.substr(99-3);
+ }
lines.push_front(s);
- if (lines.size() >= 256) lines.pop_back();
+
+ while (lines.size() >= 1000)
+ lines.pop_back();
+
if (height < 64) {
- if (height < 4+9) height=4+9;
- height+=9;
+ if(height < 4)
+ height = 4;
+ height += font->get_height();
}
- ticks=120;
- std::cerr << s << std::endl;
+
+ alpha = 1.0;
+ if(stayOpen < 5)
+ stayOpen += 1;
}
void
Console::parse(std::string s)
{
- for (std::list<ConsoleCommandReceiver*>::iterator i = commandReceivers.begin(); i != commandReceivers.end(); i++) {
- ConsoleCommandReceiver* ccr = *i;
- if (ccr->consoleCommand(s) == true) return;
+ // make sure we actually have something to parse
+ if (s.length() == 0) return;
+
+ // split line into list of args
+ std::vector<std::string> args;
+ size_t start = 0;
+ size_t end = 0;
+ while (1) {
+ start = s.find_first_not_of(" ,", end);
+ end = s.find_first_of(" ,", start);
+ if (start == s.npos) break;
+ args.push_back(s.substr(start, end-start));
+ }
+
+ // command is args[0]
+ if (args.size() == 0) return;
+ std::string command = args.front();
+ args.erase(args.begin());
+
+ // ignore if it's an internal command
+ if (consoleCommand(command,args)) return;
+
+ // look up registered ccr
+ std::map<std::string, std::list<ConsoleCommandReceiver*> >::iterator i = commands.find(command);
+ if ((i == commands.end()) || (i->second.size() == 0)) {
+ try {
+ execute_script(s);
+ } catch(std::exception& e) {
+ addLine(e.what());
+ }
+ return;
+ }
+
+ // send command to the most recently registered ccr
+ ConsoleCommandReceiver* ccr = i->second.front();
+ if (ccr->consoleCommand(command, args) != true) log_warning << "Sent command to registered ccr, but command was unhandled" << std::endl;
+}
+
+bool
+Console::consoleCommand(std::string command, std::vector<std::string> arguments)
+{
+ if (command == "ccrs") {
+ if (arguments.size() != 1) {
+ log_info << "Usage: ccrs <command>" << std::endl;
+ return true;
+ }
+ std::map<std::string, std::list<ConsoleCommandReceiver*> >::iterator i = commands.find(arguments[0]);
+ if ((i == commands.end()) || (i->second.size() == 0)) {
+ log_info << "unknown command: \"" << arguments[0] << "\"" << std::endl;
+ return true;
+ }
+
+ std::ostringstream ccr_list;
+ std::list<ConsoleCommandReceiver*> &ccrs = i->second;
+ std::list<ConsoleCommandReceiver*>::iterator j;
+ for (j = ccrs.begin(); j != ccrs.end(); j++) {
+ if (j != ccrs.begin()) ccr_list << ", ";
+ ccr_list << "[" << *j << "]";
+ }
+
+ log_info << "registered ccrs for \"" << arguments[0] << "\": " << ccr_list.str() << std::endl;
+ return true;
}
- addLine("unknown command: \"" + s + "\"");
+
+ return false;
}
bool
Console::show()
{
focused = true;
- height = 128;
+ height = 256;
+ alpha = 1.0;
}
void
{
focused = false;
height = 0;
+ stayOpen = 0;
+
+ // clear input buffer
+ inputBuffer.str(std::string());
}
void
-Console::draw()
-{
- if (height == 0) return;
- if (!focused) {
- if (ticks-- < 0) {
- height-=1;
- ticks=0;
- if (height < 0) height=0;
+Console::toggle()
+{
+ if (Console::hasFocus()) {
+ Console::hide();
+ }
+ else {
+ Console::show();
+ }
+}
+
+void
+Console::update(float elapsed_time)
+{
+ if(stayOpen > 0) {
+ stayOpen -= elapsed_time;
+ if(stayOpen < 0)
+ stayOpen = 0;
+ } else if(!focused && height > 0) {
+ alpha -= elapsed_time * FADE_SPEED;
+ if(alpha < 0) {
+ alpha = 0;
+ height = 0;
}
- if (height == 0) return;
}
+}
+
+void
+Console::draw(DrawingContext& context)
+{
+ if (height == 0)
+ return;
+
+ int layer = LAYER_GUI + 1;
- context->draw_surface(background, Vector(SCREEN_WIDTH/2 - background->get_width()/2, height - background->get_height()), LAYER_FOREGROUND1+1);
+ context.push_transform();
+ context.set_alpha(alpha);
+ context.draw_surface(background2.get(), Vector(SCREEN_WIDTH/2 - background->get_width()/2 - background->get_width() + backgroundOffset, height - background->get_height()), layer);
+ context.draw_surface(background2.get(), Vector(SCREEN_WIDTH/2 - background->get_width()/2 + backgroundOffset, height - background->get_height()), layer);
+ context.draw_surface(background.get(), Vector(SCREEN_WIDTH/2 - background->get_width()/2, height - background->get_height()), layer);
+ backgroundOffset+=10;
+ if (backgroundOffset > (int)background->get_width()) backgroundOffset -= (int)background->get_width();
int lineNo = 0;
if (focused) {
lineNo++;
float py = height-4-1*9;
- context->draw_text(white_small_text, "> "+inputBuffer.str(), Vector(4, py), LEFT_ALLIGN, LAYER_FOREGROUND1+1);
+ context.draw_text(font.get(), "> "+inputBuffer.str()+"_", Vector(4, py), LEFT_ALLIGN, layer);
}
+ int skipLines = -offset;
for (std::list<std::string>::iterator i = lines.begin(); i != lines.end(); i++) {
+ if (skipLines-- > 0) continue;
lineNo++;
float py = height-4-lineNo*9;
if (py < -9) break;
- context->draw_text(white_small_text, *i, Vector(4, py), LEFT_ALLIGN, LAYER_FOREGROUND1+1);
+ context.draw_text(font.get(), *i, Vector(4, py), LEFT_ALLIGN, layer);
}
+
+ context.pop_transform();
}
void
-Console::registerCommandReceiver(ConsoleCommandReceiver* ccr)
+Console::registerCommand(std::string command, ConsoleCommandReceiver* ccr)
{
- commandReceivers.push_front(ccr);
+ commands[command].push_front(ccr);
}
void
-Console::unregisterCommandReceiver(ConsoleCommandReceiver* ccr)
+Console::unregisterCommand(std::string command, ConsoleCommandReceiver* ccr)
{
- std::list<ConsoleCommandReceiver*>::iterator i = find(commandReceivers.begin(), commandReceivers.end(), ccr);
- if (i != commandReceivers.end()) commandReceivers.erase(i);
+ std::map<std::string, std::list<ConsoleCommandReceiver*> >::iterator i = commands.find(command);
+ if ((i == commands.end()) || (i->second.size() == 0)) {
+ log_warning << "Command \"" << command << "\" not associated with a command receiver. Not dissociated." << std::endl;
+ return;
+ }
+ std::list<ConsoleCommandReceiver*>::iterator j = find(i->second.begin(), i->second.end(), ccr);
+ if (j == i->second.end()) {
+ log_warning << "Command \"" << command << "\" not associated with given command receiver. Not dissociated." << std::endl;
+ return;
+ }
+ i->second.erase(j);
+}
+
+void
+Console::unregisterCommands(ConsoleCommandReceiver* ccr)
+{
+ for (std::map<std::string, std::list<ConsoleCommandReceiver*> >::iterator i = commands.begin(); i != commands.end(); i++) {
+ std::list<ConsoleCommandReceiver*> &ccrs = i->second;
+ std::list<ConsoleCommandReceiver*>::iterator j;
+ while ((j = find(ccrs.begin(), ccrs.end(), ccr)) != ccrs.end()) {
+ ccrs.erase(j);
+ }
+ }
}
-int Console::height = 0;
-bool Console::focused = false;
-std::list<std::string> Console::lines;
-std::list<ConsoleCommandReceiver*> Console::commandReceivers;
+Console* Console::instance = NULL;
ConsoleStreamBuffer Console::inputBuffer;
ConsoleStreamBuffer Console::outputBuffer;
std::ostream Console::input(&Console::inputBuffer);