/*
* geometry of zone needs to be set after
*/
zone654 *zone_add_item(desk654 *desk, zone654 *head, int level) {
if (!desk || !head || desk->nb_max_zones <= desk->nb_zones || desk->nb_max_level <= level) {
FOG("Add zone failed, bad parameters");
return NULL;
}
//
zone654 *zone = &desk->zones[desk->nb_zones]; // @@@
zone->pties.flags = PLAIN_MASK650;
//
zone->links.key = desk->nb_zones;
zone->links.flags = 0;
zone->links.header = NULL; // @@@
//
zone->pties.posr.x = 0;
zone->pties.posr.y = 0;
zone->pties.dim.width = 0;
zone->pties.dim.height = 0;
//
zone->links.head = head;
zone->links.items = NULL;
zone->links.prev = NULL;
zone->links.next = head->links.items;
if (head->links.items) head->links.items->links.prev = zone;
head->links.items = zone;
//
zone->links.level = &desk->levels[level];
zone->links.down = zone->links.level->last;
if (zone->links.level->last) zone->links.level->last->links.up = zone;
zone->links.up = NULL;
//
desk->nb_zones++;
//
return zone;
}
void TileMap::DrawFogOfWar(ieByte* explored_mask, ieByte* visible_mask, Region viewport)
{
// viewport - pos & size of the control
int w = XCellCount * CELL_RATIO;
int h = YCellCount * CELL_RATIO;
if (LargeMap) {
w++;
h++;
}
Color black = { 0, 0, 0, 255 };
Video* vid = core->GetVideoDriver();
Region vp = vid->GetViewport();
vp.w = viewport.w;
vp.h = viewport.h;
if (( vp.x + vp.w ) > w * CELL_SIZE) {
vp.x = ( w * CELL_SIZE - vp.w );
}
if (vp.x < 0) {
vp.x = 0;
}
if (( vp.y + vp.h ) > h * CELL_SIZE) {
vp.y = ( h * CELL_SIZE - vp.h );
}
if (vp.y < 0) {
vp.y = 0;
}
int sx = ( vp.x ) / CELL_SIZE;
int sy = ( vp.y ) / CELL_SIZE;
int dx = sx + vp.w / CELL_SIZE + 2;
int dy = sy + vp.h / CELL_SIZE + 2;
int x0 = sx * CELL_SIZE - vp.x;
int y0 = sy * CELL_SIZE - vp.y;
if (LargeMap) {
x0 -= CELL_SIZE / 2;
y0 -= CELL_SIZE / 2;
dx++;
dy++;
}
for (int y = sy; y < dy && y < h; y++) {
for (int x = sx; x < dx && x < w; x++) {
Region r = Region(x0 + viewport.x + ( (x - sx) * CELL_SIZE ), y0 + viewport.y + ( (y - sy) * CELL_SIZE ), CELL_SIZE, CELL_SIZE);
if (! IS_EXPLORED( x, y )) {
// Unexplored tiles are all black
vid->DrawRect(r, black, true, true);
continue; // Don't draw 'invisible' fog
}
else {
// If an explored tile is adjacent to an
// unexplored one, we draw border sprite
// (gradient black <-> transparent)
// Tiles in four cardinal directions have these
// values.
//
// 1
// 2 8
// 4
//
// Values of those unexplored are
// added together, the resulting number being
// an index of shadow sprite to use. For now,
// some tiles are made 'on the fly' by
// drawing two or more tiles
int e = ! IS_EXPLORED( x, y - 1);
if (! IS_EXPLORED( x - 1, y )) e |= 2;
if (! IS_EXPLORED( x, y + 1 )) e |= 4;
if (! IS_EXPLORED( x + 1, y )) e |= 8;
switch (e) {
case 1:
case 2:
case 3:
case 4:
case 6:
case 8:
case 9:
case 12:
FOG( e );
break;
case 5:
FOG( 1 );
FOG( 4 );
break;
case 7:
FOG( 3 );
FOG( 6 );
break;
case 10:
FOG( 2 );
FOG( 8 );
break;
case 11:
FOG( 3 );
FOG( 9 );
break;
case 13:
FOG( 9 );
FOG( 12 );
break;
case 14:
FOG( 6 );
FOG( 12 );
break;
case 15: //this is black too
vid->DrawRect(r, black, true, true);
break;
}
}
if (! IS_VISIBLE( x, y )) {
// Invisible tiles are all gray
FOG( 16 );
continue; // Don't draw 'invisible' fog
}
else {
// If a visible tile is adjacent to an
// invisible one, we draw border sprite
// (gradient gray <-> transparent)
// Tiles in four cardinal directions have these
// values.
//
// 1
// 2 8
// 4
//
// Values of those invisible are
// added together, the resulting number being
// an index of shadow sprite to use. For now,
// some tiles are made 'on the fly' by
// drawing two or more tiles
int e = ! IS_VISIBLE( x, y - 1);
if (! IS_VISIBLE( x - 1, y )) e |= 2;
if (! IS_VISIBLE( x, y + 1 )) e |= 4;
if (! IS_VISIBLE( x + 1, y )) e |= 8;
switch (e) {
case 1:
case 2:
case 3:
case 4:
case 6:
case 8:
case 9:
case 12:
FOG( 16 + e );
break;
case 5:
FOG( 16 + 1 );
FOG( 16 + 4 );
break;
case 7:
FOG( 16 + 3 );
FOG( 16 + 6 );
break;
case 10:
FOG( 16 + 2 );
FOG( 16 + 8 );
break;
case 11:
FOG( 16 + 3 );
FOG( 16 + 9 );
break;
case 13:
FOG( 16 + 9 );
FOG( 16 + 12 );
break;
case 14:
FOG( 16 + 6 );
FOG( 16 + 12 );
break;
case 15: //this is unseen too
FOG( 16 );
break;
}
}
}
}
}
