Separated graphic/graphic.cpp into graphics.cpp and engine.cpp.

2 files changed, 0 insertions, 793 deletions

diff --git a/src/graphic/graphic.cpp b/src/graphic/graphic.cpp
deleted file mode 100644
index 1602e13b..00000000
--- a/src/graphic/graphic.cpp
+++ /dev/null
@@ -1,611 +0,0 @@
-/*
- *  The Mana World
- *  Copyright 2004 The Mana World Development Team
- *
- *  This file is part of The Mana World.
- *
- *  The Mana World is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  any later version.
- *
- *  The Mana World is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with The Mana World; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- *  $Id$
- */
-
-#include "graphic.h"
-#include "../gui/gui.h"
-#include "../gui/textfield.h"
-#include "../gui/minimap.h"
-#include "../gui/chargedialog.h"
-#include "../gui/itemcontainer.h"
-#include "../main.h"
-#include "../being.h"
-#include "../floor_item.h"
-
-#include <SDL_opengl.h>
-
-SDL_Surface *screen;
-
-char itemCurrenyQ[10] = "0";
-int map_x, map_y, camera_x, camera_y;
-char npc_text[1000] = "";
-char statsString2[255] = "n/a";
-char skill_points[10] = "";
-bool show_skill_dialog = false;
-bool show_skill_list_dialog = false;
-char npc_button[10] = "Close";
-
-gcn::TextField *chatInput;
-gcn::Label *debugInfo;
-
-ChatBox *chatBox;
-StatusWindow *statusWindow;
-BuyDialog *buyDialog;
-SellDialog *sellDialog;
-BuySellDialog *buySellDialog;
-InventoryWindow *inventoryWindow;
-NpcListDialog *npcListDialog;
-NpcTextDialog *npcTextDialog;
-SkillDialog *skillDialog;
-NewSkillDialog *newSkillWindow;
-StatsWindow *statsWindow;
-Setup* setupWindow;
-Minimap *minimap;
-EquipmentWindow *equipmentWindow;
-ChargeDialog *chargeDialog;
-
-void ChatListener::action(const std::string& eventId)
-{
-    if (eventId == "chatinput") {
-        std::string message = chatInput->getText();
-
-        if (message.length() > 0) {
-            chatBox->chat_send(char_info[0].name, message.c_str());
-            chatInput->setText("");
-        }
-    }
-}
-
-char hairtable[16][4][2] = {
-    // S(x,y)  W(x,y)   N(x,y)   E(x,y)
-    { { 0, 0}, {-1, 2}, {-1, 2}, {0, 2} }, // STAND
-    { { 0, 2}, {-2, 3}, {-1, 2}, {1, 3} }, // WALK 1st frame
-    { { 0, 3}, {-2, 4}, {-1, 3}, {1, 4} }, // WALK 2nd frame
-    { { 0, 1}, {-2, 2}, {-1, 2}, {1, 2} }, // WALK 3rd frame
-    { { 0, 2}, {-2, 3}, {-1, 2}, {1, 3} }, // WALK 4th frame
-    { { 0, 1}, {1, 2}, {-1, 3}, {-2, 2} }, // ATTACK 1st frame
-    { { 0, 1}, {-1, 2}, {-1, 3}, {0, 2} }, // ATTACK 2nd frame
-    { { 0, 2}, {-4, 3}, {0, 4}, {3, 3}  }, // ATTACK 3rd frame
-    { { 0, 2}, {-4, 3}, {0, 4}, {3, 3}  }, // ATTACK 4th frame
-    { { 0, 0}, {-1, 2}, {-1, 2}, {-1, 2} }, // BOW_ATTACK 1st frame
-    { { 0, 0}, {-1, 2}, {-1, 2}, {-1, 2} }, // BOW_ATTACK 2nd frame
-    { { 0, 0}, {-1, 2}, {-1, 2}, {-1, 2}  }, // BOW_ATTACK 3rd frame
-    { { 0, 0}, {-1, 2}, {-1, 2}, {-1, 2}  }, // BOW_ATTACK 4th frame
-    { { 0, 4}, {-1, 6}, {-1, 6}, {0, 6} }, // SIT
-    { { 0, 0}, {0, 0}, {0, 0}, {0, 0} }, // ?? HIT
-    { { 0, 16}, {-1, 6}, {-1, 6}, {0, 6} } // DEAD
-};
-
-int get_x_offset(Being *being) {
-    int offset = 0;
-    char direction = being->direction;
-    if (being->action == WALK) {
-        if (direction != NORTH && direction != SOUTH) {
-            offset = being->frame + 1;
-            if (offset == 5) offset = 0;
-            offset *= 8;
-            if (direction == WEST || direction == NW || direction == SW) {
-                offset = -offset;
-                offset += 32;
-            } else offset -= 32;
-        }
-    }
-    return offset;
-}
-
-int get_y_offset(Being *being) {
-    int offset = 0;
-    char direction = being->direction;
-    if (being->action == WALK) {
-        if (direction != EAST && direction != WEST) {
-            offset = being->frame + 1;
-            if (offset == 5) offset = 0;
-            offset *= 8;
-            if (direction == NORTH || direction == NW || direction == NE) {
-                offset = -offset;
-                offset += 32;
-            }
-            else {
-                offset -= 32;
-            }
-        }
-    }
-    return offset;
-}
-
-
-Graphics::Graphics():
-    mouseCursor(NULL)
-{
-#ifdef USE_OPENGL
-    setTargetPlane(800, 600);
-#else
-    setTarget(SDL_GetVideoSurface());
-#endif
-
-    // Hide the system mouse cursor
-    SDL_ShowCursor(SDL_DISABLE);
-
-    // Load the mouse cursor
-    ResourceManager *resman = ResourceManager::getInstance();
-    mouseCursor = resman->getImage("core/graphics/gui/mouse.png", IMG_ALPHA);
-    if (!mouseCursor) {
-        error("Unable to load mouse cursor.");
-    }
-
-    // Initialize for drawing
-    _beginDraw();
-}
-
-Graphics::~Graphics()
-{
-    // Deinitialize for drawing
-    _endDraw();
-}
-
-int Graphics::getWidth()
-{
-    return screen->w;
-}
-
-int Graphics::getHeight()
-{
-    return screen->h;
-}
-
-void Graphics::drawImageRect(
-        int x, int y, int w, int h,
-        Image *topLeft, Image *topRight,
-        Image *bottomLeft, Image *bottomRight,
-        Image *top, Image *right,
-        Image *bottom, Image *left,
-        Image *center)
-{
-    // Draw the center area
-    center->drawPattern(screen,
-            x + topLeft->getWidth(), y + topLeft->getHeight(),
-            w - topLeft->getWidth() - topRight->getWidth(),
-            h - topLeft->getHeight() - bottomLeft->getHeight());
-
-    // Draw the sides
-    top->drawPattern(screen,
-            x + topLeft->getWidth(), y,
-            w - topLeft->getWidth() - topRight->getWidth(), top->getHeight());
-    bottom->drawPattern(screen,
-            x + bottomLeft->getWidth(), y + h - bottom->getHeight(),
-            w - bottomLeft->getWidth() - bottomRight->getWidth(),
-            bottom->getHeight());
-    left->drawPattern(screen,
-            x, y + topLeft->getHeight(),
-            left->getWidth(),
-            h - topLeft->getHeight() - bottomLeft->getHeight());
-    right->drawPattern(screen,
-            x + w - right->getWidth(), y + topRight->getHeight(),
-            right->getWidth(),
-            h - topRight->getHeight() - bottomRight->getHeight());
-
-    // Draw the corners
-    topLeft->draw(screen, x, y);
-    topRight->draw(screen, x + w - topRight->getWidth(), y);
-    bottomLeft->draw(screen, x, y + h - bottomLeft->getHeight());
-    bottomRight->draw(screen,
-            x + w - bottomRight->getWidth(),
-            y + h - bottomRight->getHeight());
-}
-
-void Graphics::drawImageRect(
-        int x, int y, int w, int h,
-        const ImageRect &imgRect)
-{
-    drawImageRect(x, y, w, h,
-            imgRect.grid[0], imgRect.grid[2], imgRect.grid[6], imgRect.grid[8],
-            imgRect.grid[1], imgRect.grid[5], imgRect.grid[7], imgRect.grid[3],
-            imgRect.grid[4]);
-}
-
-void Graphics::updateScreen()
-{
-    // Draw mouse before flipping
-    int mouseX, mouseY;
-    SDL_GetMouseState(&mouseX, &mouseY);
-    mouseCursor->draw(screen, mouseX - 5, mouseY - 2);
-
-#ifdef USE_OPENGL
-    glFlush();
-    glFinish();
-    SDL_GL_SwapBuffers();
-    glClear(GL_COLOR_BUFFER_BIT);
-#else
-    SDL_Flip(screen);
-#endif
-}
-
-
-Engine::Engine()
-{
-    // Initializes GUI
-    chatInput = new TextField();
-    chatInput->setPosition(chatInput->getBorderSize(),
-            screen->h - chatInput->getHeight() -
-            chatInput->getBorderSize());
-    chatInput->setWidth(592 - 2 * chatInput->getBorderSize());
-
-    ChatListener *chatListener = new ChatListener();
-    chatInput->setEventId("chatinput");
-    chatInput->addActionListener(chatListener);
-
-    debugInfo = new gcn::Label();
-
-    chatBox = new ChatBox("./docs/chatlog.txt", 20);
-    chatBox->setSize(592, 100);
-    chatBox->setPosition(0, chatInput->getY() - 1 - chatBox->getHeight());
-
-    guiTop->add(chatBox);
-    guiTop->add(debugInfo);
-    guiTop->add(chatInput);
-
-
-    // Create dialogs
-
-    statusWindow = new StatusWindow();
-    statusWindow->setPosition(screen->w - statusWindow->getWidth() - 5, 5);
-
-    buyDialog = new BuyDialog();
-    buyDialog->setVisible(false);
-
-    sellDialog = new SellDialog();
-    sellDialog->setVisible(false);
-
-    buySellDialog = new BuySellDialog();
-    buySellDialog->setVisible(false);
-
-    inventoryWindow = new InventoryWindow();
-    inventoryWindow->setVisible(false);
-    inventoryWindow->setPosition(screen->w - statusWindow->getWidth() -
-            inventoryWindow->getWidth() - 10, 5);
-
-    npcTextDialog = new NpcTextDialog();
-    npcTextDialog->setVisible(false);
-
-    npcListDialog = new NpcListDialog();
-    npcListDialog->setVisible(false);
-
-    skillDialog = new SkillDialog();
-    skillDialog->setVisible(false);
-
-    newSkillWindow = new NewSkillDialog();
-    newSkillWindow->setVisible(false);
-
-
-    statsWindow = new StatsWindow();
-    statsWindow->setVisible(false);
-    statsWindow->setPosition(
-            screen->w - 5 - statsWindow->getWidth(),
-            statusWindow->getHeight() + 20);
-
-    setupWindow = new Setup();
-    setupWindow->setVisible(false);
-
-    minimap = new Minimap();
-
-    equipmentWindow = new EquipmentWindow();
-    equipmentWindow->setVisible(false);
-    
-    chargeDialog = new ChargeDialog();
-    chargeDialog->setVisible(true);
-    chargeDialog->setPosition(
-            screen->w - 5 - chargeDialog->getWidth(),
-            screen->h - chargeDialog->getHeight() - 15);
-    
-    // Give focus to the chat input
-    chatInput->requestFocus();
-
-    // Load the sprite sets
-    ResourceManager *resman = ResourceManager::getInstance();
-    Image *npcbmp = resman->getImage(
-            "core/graphics/sprites/npcs.png");
-    Image *emotionbmp = resman->getImage(
-            "core/graphics/sprites/emotions.png");
-    Image *monsterbitmap = resman->getImage(
-            "core/graphics/sprites/monsters.png");
-    Image *weaponbitmap = resman->getImage(
-            "core/graphics/sprites/weapons.png");
-    Image *itembitmap = resman->getImage(
-            "core/graphics/sprites/items.png");
-
-    if (!npcbmp) error("Unable to load npcs.png");
-    if (!emotionbmp) error("Unable to load emotions.png");
-    if (!monsterbitmap) error("Unable to load monsters.png");
-    if (!weaponbitmap) error("Unable to load weapons.png");
-    if (!itembitmap) error("Unable to load items.png");
-
-    npcset = new Spriteset(npcbmp, 50, 80);
-    emotionset = new Spriteset(emotionbmp, 19, 19);
-    monsterset = new Spriteset(monsterbitmap, 60, 60);
-    weaponset = new Spriteset(weaponbitmap, 160, 120);
-    itemset = new Spriteset(itembitmap, 20, 20); 
-}
-
-Engine::~Engine()
-{
-    delete chatBox;
-    delete statusWindow;
-    delete buyDialog;
-    delete sellDialog;
-    delete buySellDialog;
-    delete npcListDialog;
-    delete npcTextDialog;
-    delete skillDialog;
-    delete statsWindow;
-    delete setupWindow;
-    delete minimap;
-    delete equipmentWindow;
-    delete newSkillWindow;
-
-    delete monsterset;
-    delete npcset;
-    delete emotionset;
-    delete weaponset;
-    delete itemset;
-}
-
-void Engine::draw()
-{
-    // Get the current mouse position
-    int mouseX, mouseY;
-    SDL_GetMouseState(&mouseX, &mouseY);
-
-    map_x = (player_node->x - 13) * 32 + get_x_offset(player_node);
-    map_y = (player_node->y -  9) * 32 + get_y_offset(player_node);
-
-    camera_x = map_x / 32;
-    camera_y = map_y / 32;
-
-    int offset_x = map_x & 31;
-    int offset_y = map_y & 31;
-
-    sort();
-
-    frame++;
-
-    // Draw tiles below nodes
-    if (tiledMap) {
-        tiledMap->draw(guiGraphics, map_x, map_y, 0);
-        tiledMap->draw(guiGraphics, map_x, map_y, 1);
-    }
-
-    // Draw items
-    std::list<FloorItem*>::iterator floorItemIterator = floorItems.begin();
-    while (floorItemIterator != floorItems.end())
-    {
-        FloorItem *floorItem = (*floorItemIterator);    
-        unsigned short x = floorItem->x;
-        unsigned short y = floorItem->y;
-        int sx = x - camera_x;
-        int sy = y - camera_y;
-        int absx = sx * 32 - offset_x;
-        int absy = sy * 32 - offset_y;
-        if (floorItem->id >= 501 && floorItem->id <= 1202) {
-                itemset->spriteset[floorItem->id - 501]->draw(screen,
-                         absx,
-                         absy);
-        }
-
-        floorItemIterator++;
-    } 
-    
-    // Draw nodes
-    std::list<Being*>::iterator beingIterator = beings.begin();
-    while (beingIterator != beings.end())
-    {
-        Being *being = (*beingIterator);
-
-        unsigned short x = being->x;
-        unsigned short y = being->y;
-        unsigned char dir = being->direction / 2;
-        int sx = x - camera_x;
-        int sy = y - camera_y;
-
-#ifdef DEBUG
-        guiGraphics->setColor(gcn::Color(0, 0, 255));
-        guiGraphics->drawRectangle(gcn::Rectangle(sx * 32, sy * 32, 32, 32));
-#endif
-
-        if ((being->job >= 100) && (being->job <= 110)) { // Draw a NPC
-            npcset->spriteset[4 * (being->job - 100) + dir]->draw(screen,
-                    sx * 32 - 8 - offset_x,
-                    sy * 32 - 52 - offset_y);
-        }
-        else if (being->job < 10) { // Draw a player
-            being->text_x = sx * 32 + get_x_offset(being) - offset_x;
-            being->text_y = sy * 32 + get_y_offset(being) - offset_y;
-
-            if (being->action == SIT || being->action == DEAD) {
-                being->frame = 0;
-            }
-
-            int pf = being->frame + being->action;
-
-            if (being->action == ATTACK) {
-                pf += 4 * being->weapon;
-            }
-
-            playerset->spriteset[4 * pf + dir]->draw(screen,
-                    being->text_x - 64, being->text_y - 80);
-            if (being->weapon != 0 && being->action == ATTACK) {
-                weaponset->spriteset[4 * being->frame + dir]->draw(screen,
-                    being->text_x - 64, being->text_y - 80);
-            }
-
-            if (being->hair_color <= 10) {
-                int hf = being->hair_color - 1 + 10 * (dir + 4 *
-                        (being->hair_style - 1));
-
-                hairset->spriteset[hf]->draw(screen,
-                        being->text_x - 2 + 2 * hairtable[pf][dir][0],
-                        being->text_y - 50 + 2 * hairtable[pf][dir][1]);
-            }
-
-            if (being->emotion != 0) {
-                emotionset->spriteset[being->emotion - 1]->draw(screen,
-                        sx * 32 - 5 + get_x_offset(being) - offset_x,
-                        sy * 32 - 45 + get_y_offset(being) - offset_y);
-                being->emotion_time--;
-                if (being->emotion_time == 0) {
-                    being->emotion = 0;
-                }
-            }
-            if (being->action != STAND && being->action != SIT
-                    && being->action != DEAD) {
-                being->frame =
-                    (get_elapsed_time(being->walk_time) * 4) / (being->speed);
-
-                if (being->frame >= 4) {
-                    being->frame = 0;
-                    being->action = STAND;
-                    if (being->id == player_node->id) {
-                        walk_status = 0;
-                    }
-                }
-            }
-        }
-        else if (being->job == 45) { // Draw a warp
-        } else { // Draw a monster
-            if (being->frame >= 4)
-                being->frame = 3;
-
-            being->text_x = sx * 32 - 42 + get_x_offset(being) - offset_x;
-            being->text_y = sy * 32 - 65 + get_y_offset(being) - offset_y;
-
-            int sprnum = dir + 4 * (being->job - 1002);
-            int mf = being->frame + being->action;
-
-            if (being->action == MONSTER_DEAD) {
-                monsterset->spriteset[sprnum + 12 * MONSTER_DEAD]->draw(screen,
-                        being->text_x + 30, being->text_y + 40);
-            }
-            else {
-                monsterset->spriteset[sprnum + 12 * mf]->draw(screen,
-                        being->text_x + 30, being->text_y + 40);
-            }
-
-            if (being->action != STAND) {
-                being->frame =
-                    (get_elapsed_time(being->walk_time) * 4) / (being->speed);
-
-                if (being->frame >= 4) {
-                    if (being->action != MONSTER_DEAD && being->hasPath()) {
-                        being->nextStep();
-                    }
-                }
-            }
-        }
-
-        if (being->action == MONSTER_DEAD && being->frame >= 20) {
-            delete being;
-            beingIterator = beings.erase(beingIterator);
-        }
-        else {
-            beingIterator++;
-        }
-
-        // nodes are ordered so if the next being y is > then the
-        // last drawed for fringe layer, draw the missing lines
-    }
-
-    // Draw tiles below nodes
-    if (tiledMap) {
-        tiledMap->draw(guiGraphics, map_x, map_y, 2);
-    }
-
-    // Find a path from the player to the mouse, and draw it. This is for debug
-    // purposes.
-    if (displayPathToMouse)
-    {
-        PATH_NODE *debugPath = tiledMap->findPath(
-                player_node->x, player_node->y,
-                mouseX / 32 + camera_x, mouseY / 32 + camera_y);
-
-        while (debugPath)
-        {
-            int squareX = (debugPath->x - camera_x) * 32 - offset_x + 12;
-            int squareY = (debugPath->y - camera_y) * 32 - offset_y + 12;
-            guiGraphics->setColor(gcn::Color(255, 0, 0));
-            guiGraphics->fillRectangle(gcn::Rectangle(squareX, squareY, 8, 8));
-
-            MetaTile *tile = tiledMap->getMetaTile(debugPath->x, debugPath->y);
-
-            std::stringstream cost;
-            cost << tile->Gcost;
-            guiGraphics->drawText(cost.str(), squareX + 4, squareY + 12,
-                    gcn::Graphics::CENTER);
-
-            // Move to the next node
-            PATH_NODE *temp = debugPath->next;
-            delete debugPath;
-            debugPath = temp;
-        }
-    }
-
-    // Draw player speech
-    beingIterator = beings.begin();
-    while (beingIterator != beings.end()) {
-        Being *being = (*beingIterator);
-
-        if (being->speech != NULL) {
-            //if (being->speech_color == makecol(255, 255, 255)) {
-            //    guiGraphics->drawText(being->speech,
-            //            being->text_x + 16, being->text_y - 60,
-            //            gcn::Graphics::CENTER);
-            //}
-            //else {
-                guiGraphics->drawText(being->speech,
-                        being->text_x + 60, being->text_y - 60,
-                        gcn::Graphics::CENTER);
-            //}
-
-            being->speech_time--;
-            if (being->speech_time == 0) {
-                free(being->speech);
-                being->speech = NULL;
-            }
-        }
-
-        beingIterator++;
-    }
-
-    if (statsWindow->isVisible()) {
-        statsWindow->update();
-    }
-    if (statusWindow->isVisible()) {
-        statusWindow->update();
-    }
-
-    gui->draw();
-
-    std::stringstream debugStream;
-    debugStream << "[" << fps << " fps] " <<
-        (mouseX / 32 + camera_x) << ", " << (mouseY / 32 + camera_y) << " "
-        << player_node->weapon;
-    debugInfo->setCaption(debugStream.str());
-    debugInfo->adjustSize();
-}
diff --git a/src/graphic/graphic.h b/src/graphic/graphic.h
deleted file mode 100644
index f8f7bb12..00000000
--- a/src/graphic/graphic.h
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- *  The Mana World
- *  Copyright 2004 The Mana World Development Team
- *
- *  This file is part of The Mana World.
- *
- *  The Mana World is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  any later version.
- *
- *  The Mana World is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with The Mana World; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- *  $Id$
- */
-
-#ifndef _GRAPHIC_H
-#define _GRAPHIC_H
-
-class Graphics;
-
-#include "../gui/npc.h"
-#include "../gui/npc_text.h"
-#include "../gui/buy.h"
-#include "../gui/sell.h"
-#include "../gui/buysell.h"
-#include "../gui/chat.h"
-#include "../gui/inventory.h"
-#include "../gui/shop.h"
-#include "../gui/chat.h"
-#include "../gui/inventory.h"
-#include "../gui/status.h"
-#include "../gui/stats.h"
-#include "../gui/skill.h"
-#include "../gui/newskill.h"
-#include "../gui/setup.h"
-#include "../gui/equipment.h"
-#include "../gui/chargedialog.h"
-#include "../resources/resourcemanager.h"
-#include "../map.h"
-#include "spriteset.h"
-#include <SDL.h>
-#include <guichan/sdl.hpp>
-#include <guichan/opengl.hpp>
-
-extern SDL_Surface *screen;
-extern char speech[255];
-extern char npc_text[1000];
-extern char skill_points[10];
-extern ChatBox *chatBox;
-extern bool show_skill_dialog, show_skill_list_dialog;
-extern int show_npc_dialog;
-extern int map_x, map_y, camera_x, camera_y;
-extern char npc_button[10];
-
-extern StatusWindow *statusWindow;
-extern BuyDialog *buyDialog;
-extern SellDialog *sellDialog;
-extern BuySellDialog *buySellDialog;
-extern InventoryWindow *inventoryWindow;
-extern NpcListDialog *npcListDialog;
-extern NpcTextDialog *npcTextDialog;
-extern SkillDialog *skillDialog;
-extern NewSkillDialog *newSkillWindow;
-extern StatsWindow *statsWindow;
-extern Setup *setupWindow;
-extern EquipmentWindow *equipmentWindow;
-extern ChargeDialog* chargeDialog;
-
-char get_x_offset(char, char);
-char get_y_offset(char, char);
-
-/**
- * The action listener for the chat field.
- */
-class ChatListener : public gcn::ActionListener {
-    public:
-        void action(const std::string& eventId);
-};
-
-/**
- * 9 images defining a rectangle. 4 corners, 4 sides and a middle area. The
- * topology is as follows:
- *
- * <pre>
- *  !-----!-----------------!-----!
- *  !  0  !        1        !  2  !
- *  !-----!-----------------!-----!
- *  !  3  !        4        !  5  !
- *  !-----!-----------------!-----!
- *  !  6  !        7        !  8  !
- *  !-----!-----------------!-----!
- * </pre>
- *
- * Sections 0, 2, 6 and 8 will remain as is. 1, 3, 4, 5 and 7 will be
- * repeated to fit the size of the widget.
- */
-struct ImageRect {
-    Image *grid[9];
-};
-
-/**
- * A central point of control for graphics.
- */
-#ifdef USE_OPENGL
-class Graphics : public gcn::OpenGLGraphics {
-#else
-class Graphics : public gcn::SDLGraphics {
-#endif
-    public:
-        /**
-         * Constructor.
-         */
-        Graphics();
-
-        /**
-         * Destructor.
-         */
-        ~Graphics();
-
-        /**
-         * Draws a rectangle using images. 4 corner images, 4 side images and 1
-         * image for the inside.
-         */
-        void drawImageRect(
-                int x, int y, int w, int h,
-                Image *topLeft, Image *topRight,
-                Image *bottomLeft, Image *bottomRight,
-                Image *top, Image *right,
-                Image *bottom, Image *left,
-                Image *center);
-
-        /**
-         * Draws a rectangle using images. 4 corner images, 4 side images and 1
-         * image for the inside.
-         */
-        void drawImageRect(
-                int x, int y, int w, int h,
-                const ImageRect &imgRect);
-
-        /**
-         * Updates the screen. This is done by either copying the buffer to the
-         * screen or swapping pages.
-         */
-        void updateScreen();
-
-        /**
-         * Returns the width of the screen.
-         */
-        int getWidth();
-
-        /**
-         * Returns the height of the screen.
-         */
-        int getHeight();
-
-    private:
-        Image *mouseCursor;
-};
-
-/**
- * Game engine that does the main drawing.
- */
-class Engine {
-    private:
-        Spriteset *emotionset, *npcset, *monsterset, *weaponset, *itemset;
-        
-    public:
-        Engine();
-        ~Engine();
-
-        void draw();
-};
-
-#endif