X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fconsole.cpp;h=9c82a0e3d256fde970a8394377c5281c7fb4f0b0;hb=38ea8c3ead1a5b679621363b01dfd54c7b42cf75;hp=6da3a364eeea066d3cfb86edce058fc6c9cf5835;hpb=1aee62827ba3b70b885a9319a8997babf0413d52;p=supertux.git

diff --git a/src/console.cpp b/src/console.cpp
index 6da3a364e..9c82a0e3d 100644
--- a/src/console.cpp
+++ b/src/console.cpp
@@ -1,4 +1,4 @@
-//  $Id: worldmap.cpp 3209 2006-04-02 22:19:22Z sommer $
+//  $Id$
 //
 //  SuperTux - Console
 //  Copyright (C) 2006 Christoph Sommer <christoph.sommer@2006.expires.deltadevelopment.de>
@@ -16,73 +16,408 @@
 //  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 <math.h>
+#include <SDL_timer.h>
+#include <SDL_keyboard.h>
 #include "console.hpp"
 #include "video/drawing_context.hpp"
 #include "video/surface.hpp"
+#include "scripting/squirrel_error.hpp"
+#include "scripting/squirrel_util.hpp"
+#include "physfs/physfs_stream.hpp"
 #include "player_status.hpp"
 #include "main.hpp"
+#include "log.hpp"
 #include "resources.hpp"
+#include "gameconfig.hpp"
 
-namespace {
-  int ticks; // TODO: use a clock?
+/// speed (pixels/s) the console closes
+static const float FADE_SPEED = 1;
+
+Console::Console()
+  : history_position(history.end()), vm(NULL), backgroundOffset(0),
+    height(0), alpha(1.0), offset(0), focused(false), stayOpen(0) {
+  fontheight = 8;
 }
 
-Console::Console(DrawingContext* context) : context(context)
+Console::~Console()
 {
-  background = new Surface("images/engine/console.jpg");
+  if(vm != NULL) {
+    sq_release(Scripting::global_vm, &vm_object);
+  }
 }
 
-Console::~Console() 
+void
+Console::init_graphics()
 {
-  delete background;
+  font.reset(new Font(Font::FIXED,"fonts/andale12.stf",1));
+  fontheight = font->get_height();
+  background.reset(new Surface("images/engine/console.png"));
+  background2.reset(new Surface("images/engine/console2.png"));
 }
 
-void 
-Console::flush(ConsoleStreamBuffer* buffer) 
+void
+Console::flush(ConsoleStreamBuffer* buffer)
 {
   if (buffer == &outputBuffer) {
     std::string s = outputBuffer.str();
     if ((s.length() > 0) && ((s[s.length()-1] == '\n') || (s[s.length()-1] == '\r'))) {
       while ((s[s.length()-1] == '\n') || (s[s.length()-1] == '\r')) s.erase(s.length()-1);
-      addLine(s);
+      addLines(s);
       outputBuffer.str(std::string());
     }
   }
-  if (buffer == &inputBuffer) {
-    std::string s = inputBuffer.str();
-    if ((s.length() > 0) && ((s[s.length()-1] == '\n') || (s[s.length()-1] == '\r'))) {
-      while ((s[s.length()-1] == '\n') || (s[s.length()-1] == '\r')) s.erase(s.length()-1);
-      addLine("> "+s);
-      parse(s);
-      inputBuffer.str(std::string());
+}
+
+void
+Console::ready_vm()
+{
+  if(vm == NULL) {
+    vm = Scripting::global_vm;
+    HSQUIRRELVM new_vm = sq_newthread(vm, 16);
+    if(new_vm == NULL)
+      throw Scripting::SquirrelError(vm, "Couldn't create new VM thread for console");
+
+    // store reference to thread
+    sq_resetobject(&vm_object);
+    if(SQ_FAILED(sq_getstackobj(vm, -1, &vm_object)))
+      throw Scripting::SquirrelError(vm, "Couldn't get vm object for console");
+    sq_addref(vm, &vm_object);
+    sq_pop(vm, 1);
+
+    // create new roottable for thread
+    sq_newtable(new_vm);
+    sq_pushroottable(new_vm);
+    if(SQ_FAILED(sq_setdelegate(new_vm, -2)))
+      throw Scripting::SquirrelError(new_vm, "Couldn't set console_table delegate");
+
+    sq_setroottable(new_vm);
+
+    vm = new_vm;
+
+    try {
+      std::string filename = "scripts/console.nut";
+      IFileStream stream(filename);
+      Scripting::compile_and_run(vm, stream, filename);
+    } catch(std::exception& e) {
+      log_warning << "Couldn't load console.nut: " << e.what() << std::endl;
     }
   }
 }
 
+void
+Console::execute_script(const std::string& command)
+{
+  using namespace Scripting;
+
+  ready_vm();
+
+  SQInteger 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, SQTrue)))
+      throw SquirrelError(vm, "Problem while executing command");
+
+    if(sq_gettype(vm, -1) != OT_NULL)
+      addLines(squirrel2string(vm, -1));
+  } catch(std::exception& e) {
+    addLines(e.what());
+  }
+  SQInteger newtop = sq_gettop(vm);
+  if(newtop < oldtop) {
+    log_fatal << "Script destroyed squirrel stack..." << std::endl;
+  } else {
+    sq_settop(vm, oldtop);
+  }
+}
+
 void 
-Console::addLine(std::string s) 
+Console::input(char c)
 {
-  lines.push_front(s);
-  if (lines.size() >= 256) lines.pop_back();
-  if (height < 64) {
-    if (height < 4+9) height=4+9;
-    height+=9;
+  inputBuffer.insert(inputBufferPosition, 1, c);
+  inputBufferPosition++;
+}
+
+void
+Console::backspace()
+{
+  if ((inputBufferPosition > 0) && (inputBuffer.length() > 0)) {
+    inputBuffer.erase(inputBufferPosition-1, 1);
+    inputBufferPosition--;
+  }
+}
+
+void
+Console::eraseChar()
+{
+  if (inputBufferPosition < (int)inputBuffer.length()) {
+    inputBuffer.erase(inputBufferPosition, 1);
+  }
+}
+
+void
+Console::enter()
+{
+  addLines("> "+inputBuffer);
+  parse(inputBuffer);
+  inputBuffer = "";
+  inputBufferPosition = 0;
+}
+
+void
+Console::scroll(int numLines)
+{
+  offset += numLines;
+  if (offset > 0) offset = 0;
+}
+
+void
+Console::show_history(int offset)
+{
+  while ((offset > 0) && (history_position != history.end())) {
+    history_position++;
+    offset--;
+  }
+  while ((offset < 0) && (history_position != history.begin())) {
+    history_position--;
+    offset++;
+  }
+  if (history_position == history.end()) {
+    inputBuffer = "";
+    inputBufferPosition = 0;
+  } else {
+    inputBuffer = *history_position;
+    inputBufferPosition = inputBuffer.length();
+  }
+}
+
+void 
+Console::move_cursor(int offset)
+{
+  if (offset == -65535) inputBufferPosition = 0;
+  if (offset == +65535) inputBufferPosition = inputBuffer.length();
+  inputBufferPosition+=offset;
+  if (inputBufferPosition < 0) inputBufferPosition = 0;
+  if (inputBufferPosition > (int)inputBuffer.length()) inputBufferPosition = inputBuffer.length();
+}
+
+// Helper functions for Console::autocomplete
+// TODO: Fix rough documentation
+namespace {
+
+void sq_insert_commands(std::list<std::string>& cmds, HSQUIRRELVM vm, std::string table_prefix, std::string search_prefix);
+
+/**
+ * Acts upon key,value on top of stack:
+ * Appends key (plus type-dependent suffix) to cmds if table_prefix+key starts with search_prefix;
+ * Calls sq_insert_commands if search_prefix starts with table_prefix+key (and value is a table/class/instance);
+ */
+void
+sq_insert_command(std::list<std::string>& cmds, HSQUIRRELVM vm, std::string table_prefix, std::string search_prefix)
+{
+  const SQChar* key_chars;
+  if (SQ_FAILED(sq_getstring(vm, -2, &key_chars))) return;
+  std::string key_string = table_prefix + key_chars;
+
+  switch (sq_gettype(vm, -1)) {
+    case OT_INSTANCE:
+      key_string+=".";
+      if (search_prefix.substr(0, key_string.length()) == key_string) {
+        sq_getclass(vm, -1);
+        sq_insert_commands(cmds, vm, key_string, search_prefix);
+        sq_pop(vm, 1);
+      }
+      break;
+    case OT_TABLE:
+    case OT_CLASS:
+      key_string+=".";
+      if (search_prefix.substr(0, key_string.length()) == key_string) {
+        sq_insert_commands(cmds, vm, key_string, search_prefix);
+      }
+      break;
+    case OT_CLOSURE:
+    case OT_NATIVECLOSURE:
+      key_string+="()";
+      break;
+    default:
+      break;
+  }
+
+  if (key_string.substr(0, search_prefix.length()) == search_prefix) {
+    cmds.push_back(key_string);
+  }
+
+}
+
+/**
+ * calls sq_insert_command for all entries of table/class on top of stack
+ */
+void
+sq_insert_commands(std::list<std::string>& cmds, HSQUIRRELVM vm, std::string table_prefix, std::string search_prefix)
+{
+  sq_pushnull(vm); // push iterator
+  while (SQ_SUCCEEDED(sq_next(vm,-2))) {
+    sq_insert_command(cmds, vm, table_prefix, search_prefix);
+    sq_pop(vm, 2); // pop key, val
+  }
+  sq_pop(vm, 1); // pop iterator
+}
+
+
+}
+// End of Console::autocomplete helper functions
+
+void
+Console::autocomplete()
+{
+  //int autocompleteFrom = inputBuffer.find_last_of(" ();+", inputBufferPosition);
+  int autocompleteFrom = inputBuffer.find_last_not_of("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_->.", inputBufferPosition);
+  if (autocompleteFrom != (int)std::string::npos) {
+    autocompleteFrom += 1;
+  } else {
+    autocompleteFrom = 0;
   }
-  ticks=120;
+  std::string prefix = inputBuffer.substr(autocompleteFrom, inputBufferPosition - autocompleteFrom);
+  addLines("> "+prefix);
+
+  std::list<std::string> cmds;
+
+  ready_vm();
+
+  // append all keys of the current root table to list
+  sq_pushroottable(vm); // push root table
+  while(true) {
+    // check all keys (and their children) for matches
+    sq_insert_commands(cmds, vm, "", prefix);
+
+    // cycle through parent(delegate) table
+    SQInteger oldtop = sq_gettop(vm);
+    if(SQ_FAILED(sq_getdelegate(vm, -1)) || oldtop == sq_gettop(vm)) {
+      break;
+    }
+    sq_remove(vm, -2); // remove old table
+  }
+  sq_pop(vm, 1); // remove table
+
+  // depending on number of hits, show matches or autocomplete
+  if (cmds.size() == 0) addLines("No known command starts with \""+prefix+"\"");
+  if (cmds.size() == 1) {
+    // one match: just replace input buffer with full command
+    std::string replaceWith = cmds.front();
+    inputBuffer.replace(autocompleteFrom, prefix.length(), replaceWith);
+    inputBufferPosition += (replaceWith.length() - prefix.length());
+  }
+  if (cmds.size() > 1) {
+    // multiple matches: show all matches and set input buffer to longest common prefix
+    std::string commonPrefix = cmds.front();
+    while (cmds.begin() != cmds.end()) {
+      std::string cmd = cmds.front();
+      cmds.pop_front();
+      addLines(cmd);
+      for (int n = commonPrefix.length(); n >= 1; n--) {
+        if (cmd.compare(0, n, commonPrefix) != 0) commonPrefix.resize(n-1); else break;
+      }
+    }
+    std::string replaceWith = commonPrefix;
+    inputBuffer.replace(autocompleteFrom, prefix.length(), replaceWith);
+    inputBufferPosition += (replaceWith.length() - prefix.length());
+  }
+}
+
+void
+Console::addLines(std::string s)
+{
+  std::istringstream iss(s);
+  std::string line;
+  while (std::getline(iss, line, '\n')) addLine(line);
+}
+
+void
+Console::addLine(std::string s)
+{
+  // output line to stderr
   std::cerr << s << std::endl;
+
+  // wrap long lines
+  std::string overflow;
+  unsigned int line_count = 0;
+  do {
+    lines.push_front(Font::wrap_to_chars(s, 99, &overflow));
+    line_count++;
+    s = overflow;
+  } while (s.length() > 0);
+
+  // trim scrollback buffer
+  while (lines.size() >= 1000)
+    lines.pop_back();
+
+  // increase console height if necessary
+  if (height < 64) {
+    if(height < 4)
+      height = 4;
+    height += fontheight * line_count;
+  }
+
+  // reset console to full opacity
+  alpha = 1.0;
+
+  // increase time that console stays open
+  if(stayOpen < 6)
+    stayOpen += 1.5;
 }
 
 void
-Console::parse(std::string s) 
+Console::parse(std::string s)
+{
+  // make sure we actually have something to parse
+  if (s.length() == 0) return;
+
+  // add line to history
+  history.push_back(s);
+  history_position = history.end();
+
+  // 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;
+
+  try {
+    execute_script(s);
+  } catch(std::exception& e) {
+    addLines(e.what());
+  }
+
+}
+
+bool
+Console::consoleCommand(std::string /*command*/, std::vector<std::string> /*arguments*/)
 {
-  addLine("unknown command: \"" + s + "\"");
+  return false;
 }
 
 bool
-Console::hasFocus() 
+Console::hasFocus()
 {
   return focused;
 }
@@ -90,53 +425,99 @@ Console::hasFocus()
 void
 Console::show()
 {
+  if(!config->console_enabled)
+    return;
+
   focused = true;
-  height = 128;
+  height = 256;
+  alpha = 1.0;
+  SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
 }
 
-void 
+void
 Console::hide()
 {
   focused = false;
-  ticks = 0;
+  height = 0;
+  stayOpen = 0;
+
+  // clear input buffer
+  inputBuffer = "";
+  inputBufferPosition = 0;
+  SDL_EnableKeyRepeat(0, SDL_DEFAULT_REPEAT_INTERVAL);
 }
 
-void 
-Console::draw() 
-{
-  if (height == 0) return;
-  if (!focused) {
-    if (ticks-- < 0) {
-      height-=1;
-      ticks=0;
-      if (height < 0) height=0;
+void
+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);
+  for (int x = (SCREEN_WIDTH/2 - background->get_width()/2 - (static_cast<int>(ceilf((float)SCREEN_WIDTH / (float)background->get_width()) - 1) * background->get_width())); x < SCREEN_WIDTH; x+=background->get_width()) {
+    context.draw_surface(background.get(), Vector(x, 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);
+    float py = height-4-1 * font->get_height();
+    context.draw_text(font.get(), "> "+inputBuffer, Vector(4, py), ALIGN_LEFT, layer);
+    if (SDL_GetTicks() % 1000 < 750) {
+      int cursor_px = 2 + inputBufferPosition;
+      context.draw_text(font.get(), "_", Vector(4 + (cursor_px * font->get_text_width("X")), py), ALIGN_LEFT, 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);
+    float py = height - 4 - lineNo*font->get_height();
+    if (py < -font->get_height()) break;
+    context.draw_text(font.get(), *i, Vector(4, py), ALIGN_LEFT, layer);
   }
+  context.pop_transform();
 }
 
-int Console::height = 0;
-bool Console::focused = false;
-std::list<std::string> Console::lines;
-ConsoleStreamBuffer Console::inputBuffer;
+Console* Console::instance = NULL;
+int Console::inputBufferPosition = 0;
+std::string Console::inputBuffer;
 ConsoleStreamBuffer Console::outputBuffer;
-std::ostream Console::input(&Console::inputBuffer);
 std::ostream Console::output(&Console::outputBuffer);