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|
/* 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/screen.h"
#include "mads/resources.h"
#include "mads/nebular/nebular_scenes.h"
namespace MADS {
ScreenObject::ScreenObject() {
_category = CAT_NONE;
_descId = 0;
_layer = 0;
}
/*------------------------------------------------------------------------*/
ScreenObjects::ScreenObjects(MADSEngine *vm): _vm(vm) {
_v8333C = false;
_v832EC = 0;
_yp = 0;
_v7FECA = 0;
_v7FED6 = 0;
_v8332A = 0;
_category = CAT_NONE;
_objectIndex = 0;
_released = false;
}
void ScreenObjects::add(const Common::Rect &bounds, Layer layer, ScrCategory category, int descId) {
assert(size() < 100);
ScreenObject so;
so._bounds = bounds;
so._category = category;
so._descId = descId;
so._layer = layer;
push_back(so);
}
void ScreenObjects::check(bool scanFlag) {
Scene &scene = _vm->_game->_scene;
if (!_vm->_events->_mouseButtons || _v832EC)
_v7FECA = false;
if ((_vm->_events->_vD6 || _v8332A || _yp || _v8333C) && scanFlag) {
scene._userInterface._selectedObject = scanBackwards(_vm->_events->currentPos(), LAYER_GUI);
if (scene._userInterface._selectedObject > 0) {
_category = (ScrCategory)((*this)[scene._userInterface._selectedObject - 1]._category & 7);
_objectIndex = (*this)[scene._userInterface._selectedObject - 1]._descId;
}
// Handling for easy mouse
ScrCategory category = scene._userInterface._category;
if (_vm->_easyMouse && !_vm->_events->_vD4 && category != _category
&& scene._userInterface._category != CAT_NONE) {
_released = true;
if (category >= CAT_ACTION && category <= CAT_6) {
scene._userInterface.elementHighlighted();
}
}
_released = _vm->_events->_mouseReleased;
if (_vm->_events->_vD2 || (_vm->_easyMouse && !_vm->_events->_vD4))
scene._userInterface._category = _category;
if (!_vm->_events->_mouseButtons || _vm->_easyMouse) {
if (category >= CAT_ACTION && category <= CAT_6) {
scene._userInterface.elementHighlighted();
}
}
if (_vm->_events->_mouseButtons || (_vm->_easyMouse && scene._action._v83338 > 1
&& scene._userInterface._category == CAT_INV_LIST) ||
(_vm->_easyMouse && scene._userInterface._category == CAT_HOTSPOT)) {
scene._action.checkActionAtMousePos();
}
if (_vm->_events->_mouseReleased) {
scene.leftClick();
scene._userInterface._category = CAT_NONE;
}
if (_vm->_events->_mouseButtons || _vm->_easyMouse || _yp)
proc1();
if (_vm->_events->_mouseButtons || _vm->_easyMouse)
scene._action.set();
_v8333C = 0;
}
scene._action.refresh();
// Loop through image inter list
warning("TODO: imageInterList loop");
}
int ScreenObjects::scanBackwards(const Common::Point &pt, int layer) {
for (int i = (int)size() - 1; i >= 0; --i) {
if ((*this)[i]._bounds.contains(pt) && ((*this)[i]._layer == layer))
return i + 1;
}
// Entry not found
return 0;
}
void ScreenObjects::proc1() {
warning("TODO: ScreenObjects::proc1");
}
/*------------------------------------------------------------------------*/
MADSEngine *DirtyArea::_vm = nullptr;
DirtyArea::DirtyArea() {
_active = false;
_textActive = false;
}
void DirtyArea::setArea(int width, int height, int maxWidth, int maxHeight) {
if (_bounds.left % 2) {
--_bounds.left;
++width;
}
if (_bounds.left < 0)
_bounds.left = 0;
else if (_bounds.left > maxWidth)
_bounds.left = maxWidth;
int right = _bounds.left + width;
if (right < 0)
right = 0;
if (right > maxWidth)
right = maxWidth;
_bounds.right = right;
_bounds2.left = _bounds.width() / 2;
_bounds2.right = _bounds.left + (_bounds.width() + 1) / 2 - 1;
if (_bounds.top < 0)
_bounds.top = 0;
else if (_bounds.top > maxHeight)
_bounds.top = maxHeight;
int bottom = _bounds.top + height;
if (bottom < 0)
bottom = 0;
if (bottom > maxHeight)
bottom = maxHeight;
_bounds.bottom = bottom;
_bounds2.top = _bounds.height() / 2;
_bounds2.bottom = _bounds.top + (_bounds.height() + 1) / 2 - 1;
_active = true;
}
void DirtyArea::setSpriteSlot(const SpriteSlot *spriteSlot) {
int width, height;
Scene &scene = _vm->_game->_scene;
if (spriteSlot->_spriteType == ST_FULL_SCREEN_REFRESH) {
// Special entry to refresh the entire screen
_bounds.left = 0;
_bounds.top = 0;
width = MADS_SCREEN_WIDTH;
height = MADS_SCENE_HEIGHT;
} else {
// Standard sprite slots
_bounds.left = spriteSlot->_position.x - scene._posAdjust.x;
_bounds.top = spriteSlot->_position.y - scene._posAdjust.y;
SpriteAsset &spriteSet = *scene._sprites[spriteSlot->_spritesIndex];
MSprite *frame = spriteSet.getFrame(((spriteSlot->_frameNumber & 0x7fff) - 1) & 0x7f);
if (spriteSlot->_scale == -1) {
width = frame->w;
height = frame->h;
} else {
width = frame->w * spriteSlot->_scale / 100;
height = frame->h * spriteSlot->_scale / 100;
_bounds.left -= width / 2;
_bounds.top += -(height - 1);
}
}
setArea(width, height, MADS_SCREEN_WIDTH, MADS_SCENE_HEIGHT);
}
void DirtyArea::setTextDisplay(const TextDisplay *textDisplay) {
_bounds.left = textDisplay->_bounds.left;
_bounds.top = textDisplay->_bounds.top;
setArea(textDisplay->_bounds.width(), textDisplay->_bounds.height(),
MADS_SCREEN_WIDTH, MADS_SCENE_HEIGHT);
}
/*------------------------------------------------------------------------*/
DirtyAreas::DirtyAreas(MADSEngine *vm) : _vm(vm) {
DirtyArea::_vm = vm;
for (int i = 0; i < DIRTY_AREAS_SIZE; ++i) {
DirtyArea rec;
rec._active = false;
push_back(rec);
}
}
void DirtyAreas::merge(int startIndex, int count) {
if (startIndex >= count)
return;
for (int outerCtr = startIndex - 1, idx = 0; idx < count; ++outerCtr, ++idx) {
if (!(*this)[outerCtr]._active)
continue;
for (int innerCtr = outerCtr + 1; innerCtr < count; ++innerCtr) {
if (!(*this)[innerCtr]._active || !intersects(outerCtr, innerCtr))
continue;
if ((*this)[outerCtr]._textActive && (*this)[innerCtr]._textActive)
mergeAreas(outerCtr, innerCtr);
}
}
}
/**
* Returns true if two dirty areas intersect
*/
bool DirtyAreas::intersects(int idx1, int idx2) {
return (*this)[idx1]._bounds2.intersects((*this)[idx2]._bounds2);
}
void DirtyAreas::mergeAreas(int idx1, int idx2) {
DirtyArea &da1 = (*this)[idx1];
DirtyArea &da2 = (*this)[idx2];
da1._bounds.extend(da2._bounds);
da1._bounds2.left = da1._bounds.width() / 2;
da1._bounds2.right = da1._bounds.left + (da1._bounds.width() + 1) / 2 - 1;
da1._bounds2.top = da1._bounds.height() / 2;
da1._bounds2.bottom = da1._bounds.top + (da1._bounds.height() + 1) / 2 - 1;
da2._active = false;
da1._textActive = true;
}
void DirtyAreas::copy(MSurface *srcSurface, MSurface *destSurface, const Common::Point &posAdjust) {
for (uint i = 0; i < size(); ++i) {
const Common::Rect &srcBounds = (*this)[i]._bounds;
Common::Rect bounds(srcBounds.left + posAdjust.x, srcBounds.top + posAdjust.y,
srcBounds.right + posAdjust.x, srcBounds.bottom + posAdjust.y);
if ((*this)[i]._active && bounds.isValidRect()) {
srcSurface->copyTo(destSurface, bounds, Common::Point(bounds.left, bounds.top));
}
}
}
void DirtyAreas::copyToScreen(const Common::Point &posAdjust) {
for (uint i = 0; i < size(); ++i) {
const Common::Rect &srcBounds = (*this)[i]._bounds;
Common::Rect bounds(srcBounds.left + posAdjust.x, srcBounds.top + posAdjust.y,
srcBounds.right + posAdjust.x, srcBounds.bottom + posAdjust.y);
if ((*this)[i]._active && (*this)[i]._bounds.isValidRect()) {
_vm->_screen.copyRectToScreen(bounds);
}
}
}
void DirtyAreas::reset() {
for (uint i = 0; i < size(); ++i)
(*this)[i]._active = false;
}
/*------------------------------------------------------------------------*/
KernelMessage::KernelMessage() {
_flags = 0;
_sequenceIndex = 0;
_asciiChar = '\0';
_asciiChar2 = '\0';
_color1 = 0;
_color2 = 0;
_msgOffset = 0;
_numTicks = 0;
_frameTimer2 = 0;
_frameTimer = 0;
_timeout = 0;
_abortTimers = 0;
_abortMode = ABORTMODE_0;
_actionDetails._verbId = 0;
_actionDetails._objectNameId = 0;
_actionDetails._indirectObjectId = 0;
}
/*------------------------------------------------------------------------*/
Hotspot::Hotspot() {
_facing = 0;
_articleNumber = 0;
_cursor = CURSOR_NONE;
_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 = (CursorType)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();
_palAnimData.push_back(rgb);
}
}
/*------------------------------------------------------------------------*/
void SceneInfo::SpriteInfo::load(Common::SeekableReadStream *f) {
f->skip(3);
_spriteSetIndex = f->readByte();
f->skip(2);
_position.x = f->readSint16LE();
_position.y = f->readSint16LE();
_depth = f->readByte();
_scale = f->readByte();
}
void SceneInfo::setRouteNode(int nodeIndex, const Common::Point &pt, MSurface &depthSurface) {
int flags, hypotenuse;
_nodes[nodeIndex]._walkPos = pt;
// Recalculate inter-node lengths
for (uint idx = 0; idx < _nodes.size(); ++idx) {
int entry;
if (idx == (uint)nodeIndex) {
entry = 0x3FFF;
}
else {
// Process the node
flags = getRouteFlags(pt, _nodes[idx]._walkPos, depthSurface);
int xDiff = ABS(_nodes[idx]._walkPos.x - pt.x);
int yDiff = ABS(_nodes[idx]._walkPos.y - pt.y);
hypotenuse = sqrt((double)(xDiff * xDiff + yDiff * yDiff));
if (hypotenuse >= 0x3FFF)
// Shouldn't ever be this large
hypotenuse = 0x3FFF;
entry = hypotenuse | flags;
_nodes[idx]._indexes[nodeIndex] = entry;
_nodes[nodeIndex]._indexes[idx] = entry;
}
}
}
int SceneInfo::getRouteFlags(const Common::Point &src, const Common::Point &dest,
MSurface &depthSurface) {
int result = 0x8000;
bool flag = false;
int xDiff = ABS(dest.x - src.x);
int yDiff = ABS(dest.y - src.y);
int xDirection = dest.x >= src.x ? 1 : -1;
int yDirection = dest.y >= src.y ? depthSurface.w : -depthSurface.w;
int majorDiff = 0;
if (dest.x < src.x)
majorDiff = MAX(xDiff, yDiff);
++xDiff;
++yDiff;
byte *srcP = depthSurface.getBasePtr(src.x, src.y);
int totalCtr = majorDiff;
for (int xCtr = 0; xCtr < xDiff; ++xCtr, srcP += xDirection) {
totalCtr += yDiff;
if ((*srcP & 0x80) == 0)
flag = false;
else if (!flag) {
flag = true;
result -= 0x4000;
if (result == 0)
break;
}
while (totalCtr >= xDiff) {
totalCtr -= xDiff;
if ((*srcP & 0x80) == 0)
flag = false;
else if (!flag) {
flag = true;
result -= 0x4000;
if (result == 0)
break;
}
srcP += yDirection;
}
if (result == 0)
break;
}
return result;
}
/*------------------------------------------------------------------------*/
SceneInfo *SceneInfo::init(MADSEngine *vm) {
if (vm->getGameID() == GType_RexNebular) {
return new Nebular::SceneInfoNebular(vm);
} else {
error("Unknown game");
}
}
void SceneInfo::load(int sceneId, int v1, const Common::String &resName,
int flags, MSurface &depthSurface, MSurface &bgSurface) {
bool sceneFlag = sceneId >= 0;
// 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(resourceName);
MadsPack infoPack(&infoFile);
// Read in basic data
Common::SeekableReadStream *infoStream = infoPack.getItemStream(0);
_sceneId = infoStream->readUint16LE();
_artFileNum = infoStream->readUint16LE();
_depthStyle = infoStream->readUint16LE();
_width = infoStream->readUint16LE();
_height = infoStream->readUint16LE();
infoStream->skip(24);
int nodeCount = infoStream->readUint16LE();
_yBandsEnd = infoStream->readUint16LE();
_yBandsStart = infoStream->readUint16LE();
_maxScale = infoStream->readUint16LE();
_minScale = infoStream->readUint16LE();
for (int i = 0; i < DEPTH_BANDS_SIZE; ++i)
_depthList[i] = infoStream->readUint16LE();
_field4A = infoStream->readUint16LE();
// Load the set of objects that are associated with the scene
for (int i = 0; i < 20; ++i) {
SceneNode node;
node.load(infoStream);
if (i < nodeCount)
_nodes.push_back(node);
}
int spriteSetsCount = infoStream->readUint16LE();
int spriteInfoCount = infoStream->readUint16LE();
// Load in sprite sets
Common::StringArray setNames;
for (int i = 0; i < 10; ++i) {
char name[64];
infoStream->read(name, 64);
if (i < spriteSetsCount)
setNames.push_back(Common::String(name));
}
// Load in sprite draw information
Common::Array<SpriteInfo> spriteInfo;
for (int i = 0; i < 50; ++i) {
SpriteInfo info;
info.load(infoStream);
if (i < spriteInfoCount)
spriteInfo.push_back(info);
}
delete infoStream;
int width = _width;
int height = _height;
if (!bgSurface.getPixels()) {
bgSurface.setSize(width, height);
}
if (_depthStyle == 2)
width >>= 2;
if (!depthSurface.getPixels()) {
depthSurface.setSize(width, height);
}
// Load the depth surface with the scene codes
Common::SeekableReadStream *depthStream = infoPack.getItemStream(1);
loadCodes(depthSurface, depthStream);
delete depthStream;
infoFile.close();
// Get the ART resource
if (sceneFlag) {
resourceName = Resources::formatName(RESPREFIX_RM, _artFileNum, ".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);
delete stream;
// Copy out the palette data
for (uint i = 0; i < artHeader._palAnimData.size(); ++i)
_palAnimData.push_back(artHeader._palAnimData[i]);
if (!(flags & 1)) {
if (!_vm->_palette->_paletteUsage.empty()) {
_vm->_palette->_paletteUsage.getKeyEntries(artHeader._palette);
_vm->_palette->_paletteUsage.prioritize(artHeader._palette);
}
_usageIndex = _vm->_palette->_paletteUsage.process(artHeader._palette,
(flags & 0xF800) | 0x8000);
if (_usageIndex > 0) {
_vm->_palette->_paletteUsage.transform(artHeader._palette);
for (uint i = 0; i < _palAnimData.size(); ++i) {
byte g = _palAnimData[i].g;
_palAnimData[g].b = artHeader._palAnimData[g].u;
}
}
}
// Read in the background surface data
assert(_width == bgSurface.w && _height == bgSurface.h);
stream = artResource.getItemStream(1);
stream->read(bgSurface.getPixels(), bgSurface.w * bgSurface.h);
if (!(flags & 1)) {
// Translate the background to use the correct palette indexes
bgSurface.translate(artHeader._palette);
}
// Close the ART file
delete stream;
artFile.close();
Common::Array<SpriteAsset *> spriteSets;
Common::Array<int> usageList;
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);
usageList.push_back(sprites->_usageIndex);
}
}
_vm->_palette->_paletteUsage.updateUsage(usageList, _usageIndex);
for (uint i = 0; i < spriteInfo.size(); ++i) {
SpriteInfo &si = spriteInfo[i];
SpriteAsset *asset = spriteSets[si._spriteSetIndex];
assert(asset && _depthStyle != 2);
asset->drawScaled(asset->getCount(), depthSurface, bgSurface,
si._scale, si._depth, si._position);
}
// Free the sprite sets
for (int i = (int)spriteSets.size() - 1; i >= 0; --i) {
warning("TODO: sub_201C8 SPRITE_SET.field_6");
delete spriteSets[i];
}
}
/*------------------------------------------------------------------------*/
SceneLogic::SceneLogic(MADSEngine *vm) : _vm(vm) {
_scene = &_vm->_game->_scene;
}
} // End of namespace MADS
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