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author | Matthew Hoops | 2011-02-20 02:12:35 -0500 |
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committer | Eugene Sandulenko | 2018-08-09 08:37:30 +0200 |
commit | e07fe3f1a438b245b0a4dbf4506fe4c9d03d9258 (patch) | |
tree | a9af5caafecc7ed0ee78975a1c563a071a1e3676 /engines/startrek/graphics.cpp | |
parent | b47cae789b5ccfbf3999c870d372081ad9c50629 (diff) | |
download | scummvm-rg350-e07fe3f1a438b245b0a4dbf4506fe4c9d03d9258.tar.gz scummvm-rg350-e07fe3f1a438b245b0a4dbf4506fe4c9d03d9258.tar.bz2 scummvm-rg350-e07fe3f1a438b245b0a4dbf4506fe4c9d03d9258.zip |
STARTREK: Import my startrek engine
Now updated even
Diffstat (limited to 'engines/startrek/graphics.cpp')
-rwxr-xr-x | engines/startrek/graphics.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/engines/startrek/graphics.cpp b/engines/startrek/graphics.cpp new file mode 100755 index 0000000000..e2ba26670c --- /dev/null +++ b/engines/startrek/graphics.cpp @@ -0,0 +1,133 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program 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 (at your option) any later version. + + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL: https://scummvm-startrek.googlecode.com/svn/trunk/graphics.cpp $ + * $Id: graphics.cpp 14 2010-05-26 15:44:12Z clone2727 $ + * + */ + +#include "startrek/graphics.h" + +#include "common/config-manager.h" +#include "common/rendermode.h" +#include "graphics/palette.h" + +namespace StarTrek { + +Graphics::Graphics(StarTrekEngine *vm) : _vm(vm), _egaMode(false) { + _font = 0; + _egaData = 0; + + if (ConfMan.hasKey("render_mode")) + _egaMode = (Common::parseRenderMode(ConfMan.get("render_mode").c_str()) == Common::kRenderEGA) && (_vm->getGameType() != GType_STJR) && !(_vm->getFeatures() & GF_DEMO); + + if (_vm->getGameType() == GType_ST25 && _vm->getPlatform() == Common::kPlatformDOS) + _font = new Font(_vm); +} + +Graphics::~Graphics() { + if (_egaData) + free(_egaData); + + delete _font; +} + +void Graphics::setPalette(const char *paletteFile) { + // Set the palette from a PAL file + + Common::SeekableReadStream *palStream = _vm->openFile(paletteFile); + byte *palette = new byte[256 * 3]; + palStream->read(palette, 256 * 3); + + // Expand color components + if (_vm->getPlatform() == Common::kPlatformDOS || _vm->getPlatform() == Common::kPlatformMacintosh) + for (uint16 i = 0; i < 256 * 3; i++) + palette[i] <<= 2; + + _vm->_system->getPaletteManager()->setPalette(palette, 0, 256); + + delete[] palette; + delete palStream; +} + +void Graphics::loadEGAData(const char *filename) { + // Load EGA palette data + if (!_egaMode) + return; + + if (!_egaData) + _egaData = (byte *)malloc(256); + + Common::SeekableReadStream *egaStream = _vm->openFile(filename); + egaStream->read(_egaData, 256); + delete egaStream; +} + +void Graphics::drawImage(const char *filename) { + // Draw a regular bitmap + + Common::SeekableReadStream *imageStream = _vm->openFile(filename); + uint16 xoffset = (_vm->getPlatform() == Common::kPlatformAmiga) ? imageStream->readUint16BE() : imageStream->readUint16LE(); + uint16 yoffset = (_vm->getPlatform() == Common::kPlatformAmiga) ? imageStream->readUint16BE() : imageStream->readUint16LE(); + uint16 width = (_vm->getPlatform() == Common::kPlatformAmiga) ? imageStream->readUint16BE() : imageStream->readUint16LE(); + uint16 height = (_vm->getPlatform() == Common::kPlatformAmiga) ? imageStream->readUint16BE() : imageStream->readUint16LE(); + + byte *pixels = (byte *)malloc(width * height); + + if (_egaMode && _egaData) { + // FIXME: This doesn't work right + for (uint32 i = 0; i < (uint32)(width * height); i++) + pixels[i] = _egaData[imageStream->readByte()]; + } else { + imageStream->read(pixels, width * height); + } + + _vm->_system->copyRectToScreen(pixels, width, xoffset, yoffset, width, height); + _vm->_system->updateScreen(); +} + +void Graphics::drawBackgroundImage(const char *filename) { + // Draw an stjr BGD image (palette built-in) + + Common::SeekableReadStream *imageStream = _vm->openFile(filename); + byte *palette = new byte[256 * 3]; + imageStream->read(palette, 256 * 3); + + // Expand color components + for (uint16 i = 0; i < 256 * 3; i++) + palette[i] <<= 2; + + uint16 xoffset = imageStream->readUint16LE(); + uint16 yoffset = imageStream->readUint16LE(); + uint16 width = imageStream->readUint16LE(); + uint16 height = imageStream->readUint16LE(); + + byte *pixels = (byte *)malloc(width * height); + imageStream->read(pixels, width * height); + + _vm->_system->getPaletteManager()->setPalette(palette, 0, 256); + _vm->_system->copyRectToScreen(pixels, width, xoffset, yoffset, width, height); + _vm->_system->updateScreen(); + + delete[] palette; + delete imageStream; +} + +} |