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https://github.com/libretro/scummvm.git
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101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "common/memstream.h"
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#include "dragons/bigfile.h"
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#include "dragons/screen.h"
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#include "dragons/bag.h"
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#include "dragons/background.h"
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namespace Dragons {
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#define TILEMAP_WIDTH 10
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#define TILEMAP_HEIGHT 25
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Bag::Bag(BigfileArchive *bigFileArchive, Screen *screen): _screen(screen) {
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_surface = nullptr;
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_position.x = 0;
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_position.y = 0;
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load(bigFileArchive);
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}
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Bag::~Bag() {
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_surface->free();
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delete _surface;
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}
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void Bag::updatePosition(Common::Point newPos) {
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_position = newPos;
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}
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void Bag::draw() {
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_screen->copyRectToSurface(*_surface, _position.x, _position.y, Common::Rect(_surface->w, _surface->h));
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}
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void Bag::load(BigfileArchive *bigFileArchive) {
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byte pal[512];
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byte tilemap[0x1f4];
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byte *tiles;
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uint32 size;
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byte *scrData = bigFileArchive->load("bag.scr", size);
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Common::MemoryReadStream stream(scrData, size, DisposeAfterUse::YES);
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stream.seek(0x4);
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stream.read(pal, 512);
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pal[0] = 0x0;
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pal[1] = 0x0;
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for (int i = 1; i < 0x100; i++) {
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uint c = READ_LE_INT16(&pal[i * 2]);
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if (c == 0) {
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c = 0x8000;
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} else {
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//c = (uint16)(((uint)c & 0x1f) << 10) | (uint16)(((uint)c & 0x7c00) >> 10) | c & 0x3e0;
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}
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WRITE_SCREEN(&pal[i * 2], c);
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}
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stream.seek(0x308);
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stream.read(tilemap, 0x1f4);
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stream.seek(0xadc);
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size = stream.readUint32LE();
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tiles = (byte *)malloc(size);
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stream.read(tiles, size);
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_surface = new Graphics::Surface();
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Graphics::PixelFormat pixelFormat16(2, 5, 5, 5, 1, 10, 5, 0, 15); //TODO move this to a better location.
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_surface->create(320, 200, pixelFormat16);
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for (int y = 0; y < TILEMAP_HEIGHT; y++) {
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for (int x = 0; x < TILEMAP_WIDTH; x++) {
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uint16 idx = READ_LE_UINT16(&tilemap[(y * TILEMAP_WIDTH + x) * 2]);
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//debug("tileIdx: %d", idx);
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drawTileToSurface(_surface, pal, tiles + idx * 0x100, x * 32, y * 8);
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}
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}
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free(tiles);
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}
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} // End of namespace Dragons
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