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authorBjørn Lindeijer <bjorn@lindeijer.nl>2006-12-04 11:20:54 +0000
committerBjørn Lindeijer <bjorn@lindeijer.nl>2006-12-04 11:20:54 +0000
commiteccafb8d815068d908b998bb6c0b581b076dc78f (patch)
tree6967d3ca5fa1dc77b177c2f735469503ca04cd14 /src/gui/viewport.cpp
parent061b9e817ffe73acca163510b276e6ca7dd8f6c2 (diff)
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Introduced a new class Viewport which combines the drawing code from Engine
with the (rather misplaced) input handling from the Gui class. Also, it's a Container itself which should allow for extending it to show Guichan widgets on map coordinates.
Diffstat (limited to 'src/gui/viewport.cpp')
-rw-r--r--src/gui/viewport.cpp394
1 files changed, 394 insertions, 0 deletions
diff --git a/src/gui/viewport.cpp b/src/gui/viewport.cpp
new file mode 100644
index 00000000..eabb717c
--- /dev/null
+++ b/src/gui/viewport.cpp
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+/*
+ * 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 "viewport.h"
+
+#include <guichan/sdl/sdlinput.hpp>
+
+#include "gui.h"
+#include "popupmenu.h"
+
+#include "../beingmanager.h"
+#include "../configuration.h"
+#include "../flooritemmanager.h"
+#include "../graphics.h"
+#include "../localplayer.h"
+#include "../map.h"
+#include "../npc.h"
+
+#include "../resources/monsterdb.h"
+
+#include "../utils/tostring.h"
+
+Viewport::Viewport():
+ mMap(0),
+ mViewX(0.0f),
+ mViewY(0.0f),
+ mCameraX(0),
+ mCameraY(0),
+ mShowDebugPath(false),
+ mPopupActive(false)
+{
+ setOpaque(false);
+ addMouseListener(this);
+
+ mScrollLaziness = (int) config.getValue("ScrollLaziness", 32);
+ mScrollRadius = (int) config.getValue("ScrollRadius", 32);
+
+ config.addListener("ScrollLaziness", this);
+ config.addListener("ScrollRadius", this);
+
+ mPopupMenu = new PopupMenu();
+}
+
+Viewport::~Viewport()
+{
+ delete mPopupMenu;
+}
+
+void
+Viewport::setMap(Map *map)
+{
+ mMap = map;
+}
+
+void
+Viewport::draw(gcn::Graphics *gcnGraphics)
+{
+ static int lastTick = tick_time;
+
+ if (!mMap || !player_node)
+ return;
+
+ Graphics *graphics = static_cast<Graphics*>(gcnGraphics);
+
+ // Avoid freaking out when tick_time overflows
+ if (tick_time < lastTick)
+ {
+ lastTick = tick_time;
+ }
+
+ // Calculate viewpoint
+ int midTileX = graphics->getWidth() / 32 / 2;
+ int midTileY = graphics->getHeight() / 32 / 2;
+
+ int player_x = (player_node->mX - midTileX) * 32 +
+ player_node->getXOffset();
+ int player_y = (player_node->mY - midTileY) * 32 +
+ player_node->getYOffset();
+
+ if (mScrollLaziness < 1)
+ mScrollLaziness = 1; // Avoids division by zero
+
+ // Apply lazy scrolling
+ while (lastTick < tick_time)
+ {
+ if (player_x > mViewX + mScrollRadius)
+ {
+ mViewX += (player_x - mViewX - mScrollRadius) / mScrollLaziness;
+ }
+ if (player_x < mViewX - mScrollRadius)
+ {
+ mViewX += (player_x - mViewX + mScrollRadius) / mScrollLaziness;
+ }
+ if (player_y > mViewY + mScrollRadius)
+ {
+ mViewY += (player_y - mViewY - mScrollRadius) / mScrollLaziness;
+ }
+ if (player_y < mViewY - mScrollRadius)
+ {
+ mViewY += (player_y - mViewY + mScrollRadius) / mScrollLaziness;
+ }
+ lastTick++;
+ }
+
+ // Auto center when player is off screen
+ if ( player_x - mViewX > graphics->getWidth() / 2
+ || mViewX - player_x > graphics->getWidth() / 2
+ || mViewY - player_y > graphics->getHeight() / 2
+ || player_y - mViewY > graphics->getHeight() / 2
+ )
+ {
+ mViewX = player_x;
+ mViewY = player_y;
+ };
+
+ if (mMap) {
+ if (mViewX < 0) {
+ mViewX = 0;
+ }
+ if (mViewY < 0) {
+ mViewY = 0;
+ }
+ if (mViewX > (mMap->getWidth() - midTileX) * 32) {
+ mViewX = (mMap->getWidth() - midTileX) * 32;
+ }
+ if (mViewY > (mMap->getHeight() - midTileY) * 32) {
+ mViewY = (mMap->getHeight() - midTileY) * 32;
+ }
+ }
+
+ mCameraX = (int) (mViewX + 16) / 32;
+ mCameraY = (int) (mViewY + 16) / 32;
+
+ // Draw tiles and sprites
+ if (mMap)
+ {
+ mMap->draw(graphics, (int) mViewX, (int) mViewY, 0);
+ mMap->draw(graphics, (int) mViewX, (int) mViewY, 1);
+ mMap->draw(graphics, (int) mViewX, (int) mViewY, 2);
+ mMap->drawOverlay(graphics, mViewX, mViewY,
+ (int) config.getValue("OverlayDetail", 2));
+ }
+
+ // Find a path from the player to the mouse, and draw it. This is for debug
+ // purposes.
+ if (mShowDebugPath && mMap)
+ {
+ // Get the current mouse position
+ int mouseX, mouseY;
+ SDL_GetMouseState(&mouseX, &mouseY);
+
+ int mouseTileX = mouseX / 32 + mCameraX;
+ int mouseTileY = mouseY / 32 + mCameraY;
+
+ Path debugPath = mMap->findPath(
+ player_node->mX, player_node->mY,
+ mouseTileX, mouseTileY);
+
+ graphics->setColor(gcn::Color(255, 0, 0));
+ for (PathIterator i = debugPath.begin(); i != debugPath.end(); i++)
+ {
+ int squareX = i->x * 32 - (int) mViewX + 12;
+ int squareY = i->y * 32 - (int) mViewY + 12;
+
+ graphics->fillRectangle(gcn::Rectangle(squareX, squareY, 8, 8));
+ graphics->drawText(
+ toString(mMap->getMetaTile(i->x, i->y)->Gcost),
+ squareX + 4, squareY + 12, gcn::Graphics::CENTER);
+ }
+ }
+
+ // Draw player nickname, speech, and emotion sprite as needed
+ Beings &beings = beingManager->getAll();
+ for (BeingIterator i = beings.begin(); i != beings.end(); i++)
+ {
+ (*i)->drawSpeech(graphics, -(int) mViewX, -(int) mViewY);
+ (*i)->drawName(graphics, -(int) mViewX, -(int) mViewY);
+ (*i)->drawEmotion(graphics, -(int) mViewX, -(int) mViewY);
+ }
+
+ // Draw target marker if needed
+ Being *target;
+ if ((target = player_node->getTarget()))
+ {
+ graphics->setFont(speechFont);
+ graphics->setColor(gcn::Color(255, 32, 32));
+ int dy = (target->getType() == Being::PLAYER) ? 80 : 42;
+
+ std::string mobName = "";
+
+ if (target->mJob >= 1002)
+ {
+ int mobId = target->mJob - 1002;
+ mobName = MonsterDB::get(mobId).getName();
+
+ graphics->drawText(mobName,
+ target->getPixelX() - (int) mViewX + 15,
+ target->getPixelY() - (int) mViewY - dy,
+ gcn::Graphics::CENTER);
+ }
+ }
+
+ // Draw contained widgets
+ WindowContainer::draw(gcnGraphics);
+}
+
+void
+Viewport::logic()
+{
+ WindowContainer::logic();
+
+ if (!mMap || !player_node)
+ return;
+
+ int mouseX, mouseY;
+ Uint8 button = SDL_GetMouseState(&mouseX, &mouseY);
+
+ if (mPlayerFollowMouse && button & SDL_BUTTON(1) &&
+ mWalkTime != player_node->mWalkTime)
+ {
+ player_node->setDestination(mouseX / 32 + mCameraX,
+ mouseY / 32 + mCameraY);
+ mWalkTime = player_node->mWalkTime;
+ }
+}
+
+void
+Viewport::mousePress(int mx, int my, int button)
+{
+ // Check if we are alive and kickin'
+ if (!mMap || !player_node || player_node->mAction == Being::DEAD)
+ return;
+
+ // Check if we are busy
+ if (current_npc)
+ return;
+
+ mPlayerFollowMouse = false;
+
+ int tilex = mx / 32 + mCameraX;
+ int tiley = my / 32 + mCameraY;
+
+ // Right click might open a popup
+ if (button == gcn::MouseInput::RIGHT)
+ {
+ Being *being;
+ FloorItem *floorItem;
+
+ if ((being = beingManager->findBeing(tilex, tiley)) &&
+ being->getType() != Being::LOCALPLAYER)
+ {
+ showPopup(mx, my, being);
+ return;
+ }
+ else if((floorItem = floorItemManager->findByCoordinates(tilex, tiley)))
+ {
+ showPopup(mx, my, floorItem);
+ return;
+ }
+ }
+
+ // If a popup is active, just remove it
+ if (mPopupActive)
+ {
+ mPopupMenu->setVisible(false);
+ mPopupActive = false;
+ return;
+ }
+
+ // Left click can cause different actions
+ if (button == gcn::MouseInput::LEFT)
+ {
+ Being *being;
+ FloorItem *item;
+
+ // Interact with some being
+ if ((being = beingManager->findBeing(tilex, tiley)))
+ {
+ switch (being->getType())
+ {
+ case Being::NPC:
+ dynamic_cast<NPC*>(being)->talk();
+ break;
+
+ case Being::MONSTER:
+ case Being::PLAYER:
+ if (being->mAction == Being::DEAD)
+ break;
+
+ player_node->attack(being, true);
+ break;
+
+ default:
+ break;
+ }
+ }
+ // Pick up some item
+ else if ((item = floorItemManager->findByCoordinates(tilex, tiley)))
+ {
+ player_node->pickUp(item);
+ }
+ // Just walk around
+ else if (mMap->getWalk(tilex, tiley))
+ {
+ // XXX XXX XXX REALLY UGLY!
+ Uint8 *keys = SDL_GetKeyState(NULL);
+ if (!(keys[SDLK_LSHIFT] || keys[SDLK_RSHIFT]))
+ {
+ player_node->setDestination(tilex, tiley);
+ player_node->stopAttack();
+ }
+ mPlayerFollowMouse = true;
+ }
+ }
+
+ if (button == gcn::MouseInput::MIDDLE)
+ {
+ // Find the being nearest to the clicked position
+ Being *target = beingManager->findNearestLivingBeing(
+ tilex, tiley,
+ 20, Being::MONSTER);
+
+ if (target)
+ {
+ player_node->setTarget(target);
+ }
+ }
+}
+
+void
+Viewport::mouseMotion(int mx, int my)
+{
+ if (!mMap || !player_node)
+ return;
+
+ if (mPlayerFollowMouse && mWalkTime == player_node->mWalkTime)
+ {
+ player_node->setDestination(mx / 32 + mCameraX, my / 32 + mCameraY);
+ }
+}
+
+void
+Viewport::mouseRelease(int mx, int my, int button)
+{
+ mPlayerFollowMouse = false;
+}
+
+void
+Viewport::showPopup(int x, int y, Item *item)
+{
+ mPopupMenu->showPopup(x, y, item);
+ mPopupActive = true;
+}
+
+void
+Viewport::showPopup(int x, int y, FloorItem *floorItem)
+{
+ mPopupMenu->showPopup(x, y, floorItem);
+ mPopupActive = true;
+}
+
+void
+Viewport::showPopup(int x, int y, Being *being)
+{
+ mPopupMenu->showPopup(x, y, being);
+ mPopupActive = true;
+}
+
+void
+Viewport::optionChanged(const std::string &name)
+{
+ mScrollLaziness = (int) config.getValue("ScrollLaziness", 32);
+ mScrollRadius = (int) config.getValue("ScrollRadius", 32);
+}