341 lines
10 KiB
C++
341 lines
10 KiB
C++
/*
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* Copyright (c) 2010-2013 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "minimap.h"
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#include "tile.h"
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#include <framework/graphics/image.h>
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#include <framework/graphics/texture.h>
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#include <framework/graphics/painter.h>
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#include <framework/graphics/framebuffermanager.h>
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#include <framework/core/resourcemanager.h>
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#include <framework/core/filestream.h>
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#include <boost/concept_check.hpp>
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#include <zlib.h>
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Minimap g_minimap;
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void MinimapBlock::clean()
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{
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m_tiles.fill(MinimapTile());
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m_texture.reset();
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m_mustUpdate = false;
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}
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void MinimapBlock::update()
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{
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if(!m_mustUpdate)
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return;
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ImagePtr image(new Image(Size(MMBLOCK_SIZE, MMBLOCK_SIZE)));
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bool shouldDraw = false;
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for(int x=0;x<MMBLOCK_SIZE;++x) {
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for(int y=0;y<MMBLOCK_SIZE;++y) {
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uint32 col = Color::from8bit(getTile(x, y).color).rgba();
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image->setPixel(x, y, col);
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if(col != 0)
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shouldDraw = true;
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}
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}
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if(shouldDraw) {
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if(!m_texture) {
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m_texture = TexturePtr(new Texture(image, true));
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} else {
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m_texture->uploadPixels(image, true);
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}
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} else
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m_texture.reset();
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m_mustUpdate = false;
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}
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void MinimapBlock::updateTile(int x, int y, const MinimapTile& tile)
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{
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if(m_tiles[getTileIndex(x,y)].color != tile.color)
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m_mustUpdate = true;
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m_tiles[getTileIndex(x,y)] = tile;
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}
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void Minimap::init()
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{
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}
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void Minimap::terminate()
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{
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clean();
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}
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void Minimap::clean()
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{
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for(int i=0;i<=Otc::MAX_Z;++i)
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m_tileBlocks[i].clear();
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}
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void Minimap::draw(const Rect& screenRect, const Position& mapCenter, float scale)
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{
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if(screenRect.isEmpty())
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return;
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if(MMBLOCK_SIZE*scale <= 1)
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return;
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Rect mapRect = calcMapRect(screenRect, mapCenter, scale);
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g_painter->saveState();
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g_painter->setColor(Color::black);
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g_painter->drawFilledRect(screenRect);
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g_painter->resetColor();
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g_painter->setClipRect(screenRect);
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g_painter->translate(screenRect.topLeft());
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Point p = getBlockOffset(mapRect.topLeft() - Point(1,1));
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g_painter->translate(-(mapRect.topLeft() - p)*scale);
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Size wantedSize = mapRect.size() * scale;
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Point off = Point(wantedSize.toPoint() - screenRect.size().toPoint())/2;
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g_painter->translate(-off);
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for(int y = p.y, ys = 0;y<=mapRect.bottom()+1;y += MMBLOCK_SIZE, ys += MMBLOCK_SIZE*scale) {
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if(y < 0 || y >= 65536 - MMBLOCK_SIZE)
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continue;
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for(int x = p.x, xs = 0;x<=mapRect.right()+1;x += MMBLOCK_SIZE, xs += MMBLOCK_SIZE*scale) {
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if(x < 0 || x >= 65536 - MMBLOCK_SIZE)
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continue;
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Position blockPos(x, y, mapCenter.z);
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if(!hasBlock(blockPos))
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continue;
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MinimapBlock& block = getBlock(Position(x, y, mapCenter.z));
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block.update();
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const TexturePtr& tex = block.getTexture();
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if(tex) {
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Rect src(0, 0, MMBLOCK_SIZE, MMBLOCK_SIZE);
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Rect dest(Point(xs,ys), src.size() * scale);
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tex->setSmooth(scale < 1.0f);
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g_painter->drawTexturedRect(dest, tex, src);
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}
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}
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}
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g_painter->restoreSavedState();
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}
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Point Minimap::getPoint(const Position& pos, const Rect& screenRect, const Position& mapCenter, float scale)
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{
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if(screenRect.isEmpty())
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return Point(-1,-1);
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if(MMBLOCK_SIZE*scale <= 1)
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return Point(-1,-1);
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Rect mapRect = calcMapRect(screenRect, mapCenter, scale);
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Point off = Point((mapRect.size() * scale).toPoint() - screenRect.size().toPoint())/2;
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Point posoff = (Point(pos.x,pos.y) - mapRect.topLeft())*scale;
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return posoff + screenRect.topLeft() - off + (Point(1,1)*scale)/2;
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}
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Position Minimap::getPosition(const Point& point, const Rect& screenRect, const Position& mapCenter, float scale)
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{
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if(screenRect.isEmpty())
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return Position();
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if(MMBLOCK_SIZE*scale <= 1)
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return Position();
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Rect mapRect = calcMapRect(screenRect, mapCenter, scale);
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Point off = Point((mapRect.size() * scale).toPoint() - screenRect.size().toPoint())/2;
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Point pos2d = (point - screenRect.topLeft() + off)/scale + mapRect.topLeft();
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return Position(pos2d.x, pos2d.y, mapCenter.z);
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}
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Rect Minimap::calcMapRect(const Rect& screenRect, const Position& mapCenter, float scale)
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{
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int w, h;
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do {
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w = std::ceil(screenRect.width() / scale);
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h = std::ceil(screenRect.height() / scale);
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if(w % 2 == 0)
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w++;
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if(h % 2 == 0)
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h++;
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scale *= 2;
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} while(w > 8192 || h > 8192);
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Rect mapRect(0,0,h,w);
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mapRect.moveCenter(Point(mapCenter.x, mapCenter.y));
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return mapRect;
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}
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void Minimap::updateTile(const Position& pos, const TilePtr& tile)
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{
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MinimapTile minimapTile;
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if(tile) {
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minimapTile.color = tile->getMinimapColorByte();
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minimapTile.flags |= MinimapTileWasSeen;
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if(!tile->isWalkable(true))
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minimapTile.flags |= MinimapTileNotWalkable;
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if(!tile->isPathable())
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minimapTile.flags |= MinimapTileNotPathable;
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minimapTile.speed = std::min((int)std::ceil(tile->getGroundSpeed() / 10.0f), 255);
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}
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if(minimapTile != MinimapTile()) {
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MinimapBlock& block = getBlock(pos);
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Point offsetPos = getBlockOffset(Point(pos.x, pos.y));
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block.updateTile(pos.x - offsetPos.x, pos.y - offsetPos.y, minimapTile);
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}
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}
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const MinimapTile& Minimap::getTile(const Position& pos)
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{
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static MinimapTile nulltile;
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if(pos.z <= Otc::MAX_Z && hasBlock(pos)) {
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MinimapBlock& block = getBlock(pos);
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Point offsetPos = getBlockOffset(Point(pos.x, pos.y));
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return block.getTile(pos.x - offsetPos.x, pos.y - offsetPos.y);
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}
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return nulltile;
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}
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bool Minimap::loadOtmm(const std::string& fileName)
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{
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try {
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FileStreamPtr fin = g_resources.openFile(fileName);
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if(!fin)
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stdext::throw_exception("unable to open file");
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fin->cache();
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uint32 signature = fin->getU32();
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if(signature != OTMM_SIGNATURE)
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stdext::throw_exception("invalid OTMM file");
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uint16 start = fin->getU16();
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uint16 version = fin->getU16();
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fin->getU32(); // flags
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switch(version) {
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case 1: {
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fin->getString(); // description
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break;
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}
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default:
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stdext::throw_exception("OTMM version not supported");
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}
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fin->seek(start);
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uint blockSize = MMBLOCK_SIZE * MMBLOCK_SIZE * sizeof(MinimapTile);
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std::vector<uchar> compressBuffer(compressBound(blockSize));
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while(true) {
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Position pos;
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pos.x = fin->getU16();
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pos.y = fin->getU16();
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pos.z = fin->getU8();
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// end of file
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if(!pos.isValid())
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break;
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MinimapBlock& block = getBlock(pos);
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ulong len = fin->getU16();
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ulong destLen = blockSize;
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fin->read(compressBuffer.data(), len);
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int ret = uncompress((uchar*)&block.getTiles(), &destLen, compressBuffer.data(), len);
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assert(ret == Z_OK);
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assert(destLen == blockSize);
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block.mustUpdate();
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}
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fin->close();
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return true;
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} catch(stdext::exception& e) {
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g_logger.error(stdext::format("failed to load OTMM minimap: %s", e.what()));
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return false;
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}
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}
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void Minimap::saveOtmm(const std::string& fileName)
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{
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try {
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stdext::timer saveTimer;
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FileStreamPtr fin = g_resources.createFile(fileName);
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fin->cache();
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//TODO: compression flag with zlib
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uint32 flags = 0;
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// header
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fin->addU32(OTMM_SIGNATURE);
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fin->addU16(0); // data start, will be overwritten later
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fin->addU16(OTMM_VERSION);
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fin->addU32(flags);
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// version 1 header
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fin->addString("OTMM 1.0"); // description
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// go back and rewrite where the map data starts
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uint32 start = fin->tell();
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fin->seek(4);
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fin->addU16(start);
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fin->seek(start);
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uint blockSize = MMBLOCK_SIZE * MMBLOCK_SIZE * sizeof(MinimapTile);
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std::vector<uchar> compressBuffer(compressBound(blockSize));
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const int COMPRESS_LEVEL = 3;
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for(uint8_t z = 0; z <= Otc::MAX_Z; ++z) {
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for(auto& it : m_tileBlocks[z]) {
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int index = it.first;
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MinimapBlock& block = it.second;
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Position pos = getIndexPosition(index, z);
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fin->addU16(pos.x);
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fin->addU16(pos.y);
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fin->addU8(pos.z);
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ulong len = blockSize;
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int ret = compress2(compressBuffer.data(), &len, (uchar*)&block.getTiles(), blockSize, COMPRESS_LEVEL);
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assert(ret == Z_OK);
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fin->addU16(len);
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fin->write(compressBuffer.data(), len);
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}
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}
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// end of file
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Position invalidPos;
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fin->addU16(invalidPos.x);
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fin->addU16(invalidPos.y);
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fin->addU8(invalidPos.z);
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fin->flush();
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fin->close();
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} catch(stdext::exception& e) {
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g_logger.error(stdext::format("failed to save OTMM minimap: %s", e.what()));
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}
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}
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