void SpriteSlots::drawBackground() {
Scene &scene = _vm->_game->_scene;
// Initial draw loop for any active sprites in the background
for (uint i = 0; i < size(); ++i) {
SpriteSlot &spriteSlot = (*this)[i];
DirtyArea &dirtyArea = scene._dirtyAreas[i];
if (spriteSlot._flags >= IMG_STATIC) {
// Foreground sprite, so we can ignore it
dirtyArea._active = false;
} else {
dirtyArea._active = true;
dirtyArea.setSpriteSlot(&spriteSlot);
if (spriteSlot._flags == IMG_DELTA) {
// Background object, so need to draw it
assert(spriteSlot._frameNumber > 0);
SpriteAsset *asset = scene._sprites[spriteSlot._spritesIndex];
MSprite *frame = asset->getFrame(spriteSlot._frameNumber - 1);
Common::Point pt = spriteSlot._position;
if (spriteSlot._scale != -1) {
// Adjust the drawing position
pt.x -= frame->w / 2;
pt.y -= frame->h - 1;
}
if (spriteSlot._depth <= 1) {
scene._backgroundSurface.transBlitFrom(*frame, pt, frame->getTransparencyIndex());
} else if (scene._depthStyle == 0) {
scene._backgroundSurface.copyFrom(*frame, pt, spriteSlot._depth, &scene._depthSurface,
-1, false, frame->getTransparencyIndex());
} else {
scene._backgroundSurface.transBlitFrom(*frame, pt, frame->getTransparencyIndex());
}
}
}
}
// Mark any remaning sprite slot dirty areas as inactive
for (uint i = size(); i < SPRITE_SLOTS_MAX_SIZE; ++i)
scene._dirtyAreas[i]._active = false;
// Flag any active text display
for (uint i = 0; i < scene._textDisplay.size(); ++i) {
TextDisplay &textDisplay = scene._textDisplay[i];
DirtyArea &dirtyArea = scene._dirtyAreas[i + SPRITE_SLOTS_MAX_SIZE];
if (textDisplay._expire >= 0 || !textDisplay._active) {
dirtyArea._active = false;
} else {
dirtyArea._active = true;
dirtyArea.setTextDisplay(&textDisplay);
}
}
}
bool Console::cmdShowSprite(int argc, const char **argv) {
View *view = _vm->_viewManager->getView(VIEWID_SCENE);
if (view == NULL)
DebugPrintf("The scene view isn't currently active\n");
else if (argc < 2)
DebugPrintf("Usage: %s resource_name\n", argv[0]);
else {
char resourceName[20];
strncpy(resourceName, argv[1], 15);
resourceName[15] = '\0';
if (!strchr(resourceName, '.'))
strcat(resourceName, ".SS");
_vm->_viewManager->moveToFront(view);
Common::SeekableReadStream *data = _vm->res()->get(resourceName);
SpriteAsset *asset = new SpriteAsset(_vm, data, data->size(), resourceName);
_vm->res()->toss(resourceName);
RGBList *palData = new RGBList(asset->getColorCount(), asset->getPalette(), true);
_vm->_palette->addRange(palData);
// Get the scene background surface
M4Surface *bg = _vm->_scene->getBackgroundSurface();
// Write the sprite onto the screen
int x = 0, y = 0, yMax = 0;
for (int index = 0; index < asset->getCount(); index++) {
M4Sprite *spr = asset->getFrame(index);
spr->translate(palData); // sprite pixel translation
if ((x + spr->width() >= bg->width()) && (yMax != 0)) {
x = 0;
y += yMax;
yMax = 0;
}
if (y >= bg->height())
break;
// FIXME: We assume that the transparent color is the color of the top left pixel
byte *transparentColor = (byte *)spr->pixels;
spr->copyTo(bg, x, y, (int)*transparentColor);
x += spr->width();
yMax = MAX(yMax, spr->height());
}
view->restore(0, 0, view->width(), view->height());
return false;
}
return true;
}
void DirtyArea::setUISlot(const UISlot *slot) {
int type = slot->_flags;
if (type <= IMG_UPDATE_ONLY)
type += -IMG_UPDATE_ONLY;
if (type >= 0x40)
type &= ~0x40;
MSurface &intSurface = _vm->_game->_scene._userInterface;
switch (type) {
case IMG_REFRESH:
_bounds.left = 0;
_bounds.top = 0;
setArea(intSurface.w, intSurface.h, intSurface.w, intSurface.h);
break;
case IMG_OVERPRINT:
_bounds.left = slot->_position.x;
_bounds.top = slot->_position.y;
_bounds.setWidth(slot->_width);
_bounds.setHeight(slot->_height);
setArea(slot->_width, slot->_height, intSurface.w, intSurface.h);
break;
default: {
SpriteAsset *asset = _vm->_game->_scene._sprites[slot->_spritesIndex];
MSprite *frame = asset->getFrame(slot->_frameNumber - 1);
int w = frame->w;
int h = frame->h;
if (slot->_segmentId == IMG_SPINNING_OBJECT) {
_bounds.left = slot->_position.x;
_bounds.top = slot->_position.y;
} else {
_bounds.left = slot->_position.x + w / 2;
_bounds.top = slot->_position.y - h + 1;
}
setArea(w, h, intSurface.w, intSurface.h);
break;
}
}
}
void UISlots::draw(bool updateFlag, bool delFlag) {
Scene &scene = _vm->_game->_scene;
UserInterface &userInterface = scene._userInterface;
DirtyArea *dirtyAreaPtr = nullptr;
// Loop through setting up the dirty areas
for (uint idx = 0; idx < size(); ++idx) {
DirtyArea &dirtyArea = userInterface._dirtyAreas[idx];
UISlot &slot = (*this)[idx];
if (slot._flags >= IMG_STATIC) {
dirtyArea._active = false;
} else {
dirtyArea.setUISlot(&slot);
dirtyArea._textActive = true;
if (slot._segmentId == IMG_SPINNING_OBJECT && slot._flags == IMG_FULL_UPDATE) {
dirtyArea._active = false;
dirtyAreaPtr = &dirtyArea;
}
}
}
userInterface._dirtyAreas.merge(1, userInterface._uiSlots.size());
if (dirtyAreaPtr)
dirtyAreaPtr->_active = true;
// Copy parts of the user interface background that need to be erased
for (uint idx = 0; idx < size(); ++idx) {
DirtyArea &dirtyArea = userInterface._dirtyAreas[idx];
UISlot &slot = (*this)[idx];
if (dirtyArea._active && dirtyArea._bounds.width() > 0
&& dirtyArea._bounds.height() > 0 && slot._flags > -20) {
if (slot._flags >= IMG_ERASE) {
// Merge area
userInterface.mergeFrom(&userInterface._surface, dirtyArea._bounds,
Common::Point(dirtyArea._bounds.left, dirtyArea._bounds.top));
} else {
// Copy area
userInterface._surface.copyTo(&userInterface, dirtyArea._bounds,
Common::Point(dirtyArea._bounds.left, dirtyArea._bounds.top));
}
}
}
for (uint idx = 0; idx < size(); ++idx) {
DirtyArea &dirtyArea = userInterface._dirtyAreas[idx];
UISlot &slot = (*this)[idx];
int slotType = slot._flags;
if (slotType >= IMG_STATIC) {
dirtyArea.setUISlot(&slot);
if (!updateFlag)
slotType &= ~0x40;
dirtyArea._textActive = slotType > 0;
slot._flags &= 0x40;
}
}
userInterface._dirtyAreas.merge(1, userInterface._uiSlots.size());
for (uint idx = 0; idx < size(); ++idx) {
DirtyArea *dirtyArea = &userInterface._dirtyAreas[idx];
UISlot &slot = (*this)[idx];
if (slot._flags >= IMG_STATIC && !(slot._flags & 0x40)) {
if (!dirtyArea->_active) {
do {
dirtyArea = dirtyArea->_mergedArea;
} while (!dirtyArea->_active);
}
if (dirtyArea->_textActive) {
SpriteAsset *asset = scene._sprites[slot._spritesIndex];
// Get the frame details
int frameNumber = ABS(slot._frameNumber);
bool flipped = slot._frameNumber < 0;
if (slot._segmentId == IMG_SPINNING_OBJECT) {
MSprite *sprite = asset->getFrame(frameNumber - 1);
sprite->copyTo(&userInterface, slot._position,
sprite->getTransparencyIndex());
} else {
MSprite *sprite = asset->getFrame(frameNumber - 1);
if (flipped) {
MSurface *spr = sprite->flipHorizontal();
userInterface.mergeFrom(spr, spr->getBounds(), slot._position,
sprite->getTransparencyIndex());
delete spr;
} else {
userInterface.mergeFrom(sprite, sprite->getBounds(), slot._position,
sprite->getTransparencyIndex());
}
}
}
}
}
// Mark areas of the screen surface for updating
if (updateFlag) {
for (uint idx = 0; idx < size(); ++idx) {
DirtyArea &dirtyArea = userInterface._dirtyAreas[idx];
if (dirtyArea._active && dirtyArea._textActive &&
dirtyArea._bounds.width() > 0 && dirtyArea._bounds.height() > 0) {
// Flag area of screen as needing update
Common::Rect r = dirtyArea._bounds;
r.translate(0, scene._interfaceY);
_vm->_screen.copyRectToScreen(r);
}
}
}
// Post-processing to remove slots no longer needed
for (int idx = (int)size() - 1; idx >= 0; --idx) {
UISlot &slot = (*this)[idx];
if (slot._flags < IMG_STATIC) {
if (delFlag || updateFlag)
remove_at(idx);
else if (slot._flags > -20)
slot._flags -= 20;
} else {
if (updateFlag)
slot._flags &= ~0x40;
else
slot._flags |= 0x40;
}
}
}
// TODO: calculate width and height, show text, show face if it exists
// TODO: this has been tested with Dragonsphere only, there are some differences
// in the sprites used in Phantom
void MadsScene::showMADSV2TextBox(char *text, int x, int y, char *faceName) {
int repeatX = 40; // FIXME: this is hardcoded
int repeatY = 30; // FIXME: this is hardcoded
int curX = x, curY = y;
int topRightX = x; // TODO: this is probably not needed
Common::SeekableReadStream *data = _vm->res()->get("box.ss");
SpriteAsset *boxSprites = new SpriteAsset(_vm, data, data->size(), "box.ss");
_vm->res()->toss("box.ss");
RGBList *palData = new RGBList(boxSprites->getColorCount(), boxSprites->getPalette(), true);
_vm->_palette->addRange(palData);
for (int i = 0; i < boxSprites->getCount(); i++)
boxSprites->getFrame(i)->translate(palData); // sprite pixel translation
// Top left corner
boxSprites->getFrame(topLeft)->copyTo(_backgroundSurface, x, curY);
curX += boxSprites->getFrame(topLeft)->width();
// Top line
for (int i = 0; i < repeatX; i++) {
boxSprites->getFrame(top)->copyTo(_backgroundSurface, curX, curY + 3);
curX += boxSprites->getFrame(top)->width();
}
// Top right corner
boxSprites->getFrame(topRight)->copyTo(_backgroundSurface, curX, curY);
topRightX = curX;
// Top middle
// FIXME: the transparent color for this is also the black border color
boxSprites->getFrame(topMiddle)->copyTo(_backgroundSurface,
x + (curX - x) / 2 - boxSprites->getFrame(topMiddle)->width() / 2,
curY - 5, 167);
curX = x;
curY += boxSprites->getFrame(topLeft)->height();
// -----------------------------------------------------------------------------------------------
// Draw contents
for (int i = 0; i < repeatY; i++) {
for (int j = 0; j < repeatX; j++) {
if (j == 0) {
boxSprites->getFrame(left)->copyTo(_backgroundSurface, curX + 3, curY);
curX += boxSprites->getFrame(left)->width();
} else if (j == repeatX - 1) {
curX = topRightX - 2;
boxSprites->getFrame(right)->copyTo(_backgroundSurface, curX + 3, curY + 1);
} else {
// TODO: the background of the contents follows a pattern which is not understood yet
if (j % 2 == 0) {
boxSprites->getFrame(filler1)->copyTo(_backgroundSurface, curX + 3, curY);
curX += boxSprites->getFrame(filler1)->width();
} else {
boxSprites->getFrame(filler2)->copyTo(_backgroundSurface, curX + 3, curY);
curX += boxSprites->getFrame(filler2)->width();
}
}
} // for j
curX = x;
curY += boxSprites->getFrame(left)->height();
} // for i
// -----------------------------------------------------------------------------------------------
curX = x;
// Bottom left corner
boxSprites->getFrame(bottomLeft)->copyTo(_backgroundSurface, curX, curY);
curX += boxSprites->getFrame(bottomLeft)->width();
// Bottom line
for (int i = 0; i < repeatX; i++) {
boxSprites->getFrame(bottom)->copyTo(_backgroundSurface, curX, curY + 1);
curX += boxSprites->getFrame(bottom)->width();
}
// Bottom right corner
boxSprites->getFrame(bottomRight)->copyTo(_backgroundSurface, curX, curY + 1);
}
void Player::update() {
Scene &scene = _vm->_game->_scene;
if (_forceRefresh || (_visible != _priorVisible)) {
int slotIndex = getSpriteSlot();
if (slotIndex >= 0)
scene._spriteSlots[slotIndex]._flags = IMG_ERASE;
int newDepth = 1;
int yp = MIN(_playerPos.y, (int16)(MADS_SCENE_HEIGHT - 1));
for (int idx = 1; idx < DEPTH_BANDS_SIZE; ++idx) {
if (scene._sceneInfo->_depthList[newDepth] >= yp)
newDepth = idx + 1;
}
_currentDepth = newDepth;
// Get the scale
int newScale = getScale(_playerPos.y);
_currentScale = MIN(newScale, 100);
if (_visible) {
// Player sprite needs to be rendered
SpriteSlot slot;
slot._flags = IMG_UPDATE;
slot._seqIndex = PLAYER_SEQ_INDEX;
slot._spritesIndex = _spritesStart + _spritesIdx;
slot._frameNumber = _mirror ? -_frameNumber : _frameNumber;
slot._position.x = _playerPos.x;
slot._position.y = _playerPos.y + (_centerOfGravity * newScale) / 100;
slot._depth = newDepth;
slot._scale = newScale;
if (slotIndex >= 0) {
// Check if the existing player slot has the same details, and can be re-used
SpriteSlot &s2 = scene._spriteSlots[slotIndex];
bool equal = (s2._seqIndex == slot._seqIndex)
&& (s2._spritesIndex == slot._spritesIndex)
&& (s2._frameNumber == slot._frameNumber)
&& (s2._position == slot._position)
&& (s2._depth == slot._depth)
&& (s2._scale == slot._scale);
if (equal)
// Undo the prior expiry of the player sprite
s2._flags = IMG_STATIC;
else
slotIndex = -1;
}
if (slotIndex < 0) {
// New slot needed, so allocate one and copy the slot data
slotIndex = scene._spriteSlots.add();
scene._spriteSlots[slotIndex] = slot;
}
// If changing a scene, check to change the scene when the player
// has moved off-screen
if (_walkOffScreen) {
SpriteAsset *asset = scene._sprites[slot._spritesIndex];
MSprite *frame = asset->getFrame(_frameNumber - 1);
int xScale = frame->w * newScale / 200;
int yScale = frame->h * newScale / 100;
int playerX = slot._position.x;
int playerY = slot._position.y;
if ((playerX + xScale) < 0 || (playerX + xScale) >= MADS_SCREEN_WIDTH ||
playerY < 0 || (playerY + yScale) >= MADS_SCENE_HEIGHT) {
scene._nextSceneId = _walkOffScreen;
_walkOffScreen = 0;
_walkAnywhere = false;
}
}
}
}
_beenVisible |= _visible;
_priorVisible = _visible;
_forceRefresh = false;
}