1 files changed, 358 insertions, 0 deletions
diff --git a/engines/mads/scene_data.cpp b/engines/mads/scene_data.cpp
new file mode 100644
index 0000000000..e0c25d89fb
--- /dev/null
+++ b/engines/mads/scene_data.cpp
@@ -0,0 +1,358 @@
+/* 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.
+ *
+ */
+
+#include "common/scummsys.h"
+#include "mads/scene_data.h"
+#include "mads/mads.h"
+#include "mads/compression.h"
+#include "mads/resources.h"
+#include "mads/nebular/nebular_scenes.h"
+
+namespace MADS {
+
+SpriteSlot::SpriteSlot() {
+	_spriteType = ST_NONE;
+	_seqIndex = 0;
+	_spritesIndex = 0;
+	_frameNumber = 0;
+	_depth = 0;
+	_scale = 0;
+}
+
+SpriteSlot::SpriteSlot(SpriteType type, int seqIndex) {
+	_spriteType = type;
+	_seqIndex = seqIndex;
+	_spritesIndex = 0;
+	_frameNumber = 0;
+	_depth = 0;
+	_scale = 0;
+}
+
+/*------------------------------------------------------------------------*/
+
+void SpriteSlots::clear(bool flag) {
+	_vm->_game->_scene._textDisplay.clear();
+
+	if (flag)
+		_vm->_game->_scene._sprites.clear();
+
+	Common::Array<SpriteSlot>::clear();
+	push_back(SpriteSlot(ST_FULL_SCREEN_REFRESH, -1));
+}
+
+/**
+ * Releases any sprites used by the player
+ */
+void SpriteSlots::releasePlayerSprites() {
+	Player &player = _vm->_game->player();
+
+	if (player._spritesLoaded && player._numSprites > 0) {
+		int spriteEnd = player._spritesStart + player._numSprites - 1;
+		do {
+			deleteEntry(spriteEnd);
+		} while (--spriteEnd >= player._spritesStart);
+	}
+}
+
+void SpriteSlots::deleteEntry(int index) {
+	remove_at(index);
+}
+
+
+/*------------------------------------------------------------------------*/
+
+TextDisplay::TextDisplay() {
+	_active = false;
+	_spacing = 0;
+	_expire = 0;
+	_col1 = _col2 = 0;
+}
+
+/*------------------------------------------------------------------------*/
+
+DynamicHotspot::DynamicHotspot() {
+	_seqIndex = 0;
+	_facing = 0;
+	_descId = 0;
+	_field14 = 0;
+	_articleNumber = 0;
+	_cursor = 0;
+}
+
+/*------------------------------------------------------------------------*/
+
+SequenceEntry::SequenceEntry() {
+	_spritesIndex = 0;
+	_flipped =0;
+	_frameIndex = 0;
+	_frameStart = 0;
+	_numSprites = 0;
+	_animType = 0;
+	_frameInc = 0;
+	_depth = 0;
+	_scale = 0;
+	_dynamicHotspotIndex = -1;
+	_triggerCountdown = 0;
+	_doneFlag = 0;
+	_entries._count = 0;
+	_abortMode = 0;
+	_actionNouns[0] = _actionNouns[1] = _actionNouns[2] = 0;
+	_numTicks = 0;
+	_extraTicks = 0;
+	_timeout = 0;
+}
+
+KernelMessage::KernelMessage() {
+	_flags = 0;
+	_seqInex = 0;
+	_asciiChar = '\0';
+	_asciiChar2 = '\0';
+	_colors = 0;
+	_msgOffset = 0;
+	_numTicks = 0;
+	_frameTimer2 = 0;
+	_frameTimer = 0;
+	_timeout = 0;
+	_field1C = 0;
+	_abortMode = 0;
+	_nounList[0] = _nounList[1] = _nounList[2] = 0;
+}
+
+/*------------------------------------------------------------------------*/
+
+Hotspot::Hotspot() {
+	_facing = 0;
+	_articleNumber = 0;
+	_cursor = 0;
+	_vocabId = 0;
+	_verbId = 0;
+}
+
+Hotspot::Hotspot(Common::SeekableReadStream &f) {
+	_bounds.left = f.readSint16LE();
+	_bounds.top = f.readSint16LE();
+	_bounds.right = f.readSint16LE();
+	_bounds.bottom = f.readSint16LE();
+	_feetPos.x = f.readSint16LE();
+	_feetPos.y = f.readSint16LE();
+	_facing = f.readByte();
+	_articleNumber = f.readByte();
+	f.skip(1);
+	_cursor = f.readByte();
+	_vocabId = f.readUint16LE();
+	_verbId = f.readUint16LE();
+}
+
+/*------------------------------------------------------------------------*/
+
+void ARTHeader::load(Common::SeekableReadStream *f) {
+	// Read in dimensions of image
+	_width = f->readUint16LE();
+	_height = f->readUint16LE();
+
+	// Read in palette information
+	int palCount = f->readUint16LE();
+	for (int i = 0; i < palCount; ++i) {
+		RGB6 rgb;
+		rgb.load(f);
+		_palette.push_back(rgb);
+	}
+	f->skip(6 * (256 - palCount));
+
+	// Read unknown???
+	palCount = f->readUint16LE();
+	for (int i = 0; i < palCount; ++i) {
+		RGB4 rgb;
+		rgb.r = f->readByte();
+		rgb.g = f->readByte();
+		rgb.b = f->readByte();
+		rgb.u = f->readByte();
+
+		_palData.push_back(rgb);
+	}
+}
+
+/*------------------------------------------------------------------------*/
+
+SceneInfo *SceneInfo::load(MADSEngine *vm, int sceneId, int v1, const Common::String &resName,
+		int v3, MSurface &depthSurface, MSurface &bgSurface) {
+	return new SceneInfo(vm, sceneId, v1, resName, v3, depthSurface, bgSurface);
+}
+
+SceneInfo::SceneInfo(MADSEngine *vm, int sceneId, int v1, const Common::String &resName,
+		int flags, MSurface &depthSurface, MSurface &bgSurface) {
+	bool flag = true;
+	bool sceneFlag = sceneId >= 0;
+	bool ssFlag = false, wsFlag = false;
+	
+	Common::Array<SpriteAsset *> spriteSets;
+	Common::Array<int> xpList;
+
+	// Figure out the resource to use
+	Common::String resourceName;
+	if (sceneFlag) {
+		resourceName = Resources::formatName(RESPREFIX_RM, sceneId, ".DAT");
+	} else {
+		resourceName = "*" + Resources::formatResource(resName, resName);
+	}
+
+	// Open the scene info resource for access
+	File infoFile(resName);
+
+	// Read in basic data
+	_sceneId = infoFile.readUint16LE();
+	_artFileNum = infoFile.readUint16LE();
+	_depthStyle = infoFile.readUint16LE();
+	_width = infoFile.readUint16LE();
+	_height = infoFile.readUint16LE();
+	infoFile.skip(24);
+	_nodeCount = infoFile.readUint16LE();
+	_yBandsEnd = infoFile.readUint16LE();
+	_yBandsStart = infoFile.readUint16LE();
+	_maxScale = infoFile.readUint16LE();
+	_minScale = infoFile.readUint16LE();
+	for (int i = 0; i < 15; ++i)
+		_depthList[i] = infoFile.readUint16LE();
+	_field4A = infoFile.readUint16LE();
+
+	// Load the set of objects that are associated with the scene
+	for (int i = 0; i < 20; ++i) {
+		InventoryObject obj;
+		obj.load(infoFile);
+		_objects.push_back(obj);
+	}
+
+	int setCount  = infoFile.readUint16LE();
+	int field40E = infoFile.readUint16LE();
+
+	for (int i = 0; i < 20; ++i) {
+		char name[64];
+		infoFile.read(name, 64);
+		_setNames.push_back(Common::String(name));
+	}
+
+	infoFile.close();
+	int width = _width;
+	int height = _height;
+
+	if (!bgSurface.getPixels()) {
+		bgSurface.setSize(width, height);
+		ssFlag = true;
+	}
+
+	if (_depthStyle == 2)
+		width >>= 2;
+	if (!depthSurface.getPixels()) {
+		depthSurface.setSize(width, height);
+		wsFlag = true;
+	}
+
+	// Load the depth surface with the scene codes
+	loadCodes(depthSurface);
+
+	// Get the ART resource
+	if (sceneFlag) {
+		resourceName = Resources::formatName(RESPREFIX_RM, sceneId, ".ART");
+	} else {
+		resourceName = "*" + Resources::formatResource(resName, resName);
+	}
+
+	// Load in the ART header and palette
+	File artFile(resourceName);
+	MadsPack artResource(&artFile);
+	Common::SeekableReadStream *stream = artResource.getItemStream(0);
+
+	ARTHeader artHeader;
+	artHeader.load(stream);
+	artFile.close();
+
+	// Copy out the palette data
+	for (uint i = 0; i < artHeader._palData.size(); ++i)
+		_palette.push_back(artHeader._palData[i]);
+
+	if (!(flags & 1)) {
+		if (!_vm->_palette->_paletteUsage.empty()) {
+			_vm->_palette->_paletteUsage.getKeyEntries(artHeader._palette);
+			_vm->_palette->_paletteUsage.prioritize(artHeader._palette);
+		}
+
+		_field4C = _vm->_palette->_paletteUsage.process(artHeader._palette, 0xF800);
+		if (_field4C > 0) {
+			_vm->_palette->_paletteUsage.transform(artHeader._palette);
+
+			for (uint i = 0; i < _palette.size(); ++i) {
+				byte g = _palette[i].g;
+				_palette[g].b = artHeader._palette[g].palIndex;
+			}
+		}
+	}
+
+	// Read in the background surface data
+	assert(_width == bgSurface.w && _height == bgSurface.h);
+	stream->read(bgSurface.getPixels(), bgSurface.w * bgSurface.h);
+
+	if (flags & 1) {
+		for (uint i = 0; i < _setNames.size(); ++i) {
+			Common::String setResName;
+			if (sceneFlag || resName.hasPrefix("*"))
+				setResName += "*";
+			setResName += _setNames[i];
+
+			SpriteAsset *sprites = new SpriteAsset(_vm, setResName, flags);
+			spriteSets.push_back(sprites);
+			xpList.push_back(-1); // TODO:: sprites->_field6
+		}
+	}
+
+
+
+	warning("TODO");
+}
+
+void SceneInfo::loadCodes(MSurface &depthSurface) {
+	File f(Resources::formatName(RESPREFIX_RM, _sceneId, ".DAT"));
+
+	uint16 width = _width;
+	uint16 height = _height;
+	byte *walkMap = new byte[f.size()];
+
+	depthSurface.setSize(width, height);
+	f.read(walkMap, f.size());
+
+	byte *ptr = (byte *)depthSurface.getPixels();
+
+	for (int y = 0; y < height; y++) {
+		for (int x = 0; x < width; x++) {
+			int ofs = x + (y * width);
+			if ((walkMap[ofs / 8] << (ofs % 8)) & 0x80)
+				*ptr++ = 1;		// walkable
+			else
+				*ptr++ = 0;
+		}
+	}
+
+	delete[] walkMap;
+}
+
+/*------------------------------------------------------------------------*/
+
+} // End of namespace MADS