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Added MapUpdateFogOfWar function. Fog of war should work with NEW_MAPDRAW now.

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This commit is contained in:
johns 2001-02-28 15:08:16 +00:00
parent 05b093562e
commit b26e8e4342
1 changed files with 74 additions and 3 deletions

77
src/map/map_fog.cpp
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@ -277,6 +277,67 @@ global void MapMarkNewSight(int tx,int ty,int range
#endif
/**
**
*/
global void MapUpdateFogOfWar(int x,int y)
{
Unit* unit;
Unit* table[MAX_UNITS];
char *redraw_row;
char *redraw_tile;
int n;
int i;
int sx,sy,ex,ey,dx,dy;
int vis;
int last;
int MapW;
// Tiles not visible last frame but are this frame must be redrawn.
redraw_row=MustRedrawRow;
redraw_tile=MustRedrawTile;
ex=TheUI.MapEndX;
sy=y*TheMap.Width;
dy=TheUI.MapY;
ey=TheUI.MapEndY;
MapW=TheUI.MapEndX-TheUI.MapX;
while( dy<=ey ) {
sx=x+sy;
dx=TheUI.MapX;
while( dx<=ex ) {
last=TheMap.Fields[sx].VisibleLastFrame;
#ifdef NEW_FOW
vis=TheMap.Fields[sx].Visible&(1<<ThisPlayer->Player);
#else
vis=TheMap.Fields[sx].Flags&MapFieldVisible;
#endif
if( vis && (!last || last&MapFieldPartiallyVisible) ) {
*redraw_row=NEW_MAPDRAW;
*redraw_tile=NEW_MAPDRAW;
}
++redraw_tile;
++sx;
dx+=TileSizeX;
}
++redraw_row;
sy+=TheMap.Width;
dy+=TileSizeY;
}
// Buildings under fog of war must be redrawn
n=SelectUnits(MapX,MapY,MapX+MapWidth,MapY+MapHeight,table);
for( i=0; i<n; ++i ) {
unit=table[i];
if( unit->Type->Building && !unit->Removed && UnitVisible(unit) ) {
CheckUnitToBeDrawn(unit);
}
}
}
/**
** Update visible of the map.
*/
@ -323,6 +384,8 @@ global void MapUpdateVisible(void)
}
}
MarkDrawEntireMap();
//
// Mark all units visible range.
//
@ -1395,6 +1458,7 @@ local void DrawFogOfWarTile(int sx,int sy,int dx,int dy)
}
}
TheMap.Fields[sx].VisibleLastFrame=0;
//
// Draw unexplored area
// If only partly or total invisible draw fog of war.
@ -1404,12 +1468,19 @@ local void DrawFogOfWarTile(int sx,int sy,int dx,int dy)
if( tile2) {
VideoDrawUnexplored(TheMap.Tiles[tile2],dx,dy);
if( tile2==tile ) { // no same fog over unexplored
if( tile != 0xf ) {
TheMap.Fields[sx].VisibleLastFrame|=MapFieldPartiallyVisible;
}
tile=0;
}
}
if( TheMap.Fields[sx].Flags&MapFieldVisible ) {
if( tile ) {
VideoDrawFog(TheMap.Tiles[tile],dx,dy);
TheMap.Fields[sx].VisibleLastFrame|=MapFieldPartiallyVisible;
}
else {
TheMap.Fields[sx].VisibleLastFrame|=MapFieldCompletelyVisible;
}
} else {
VideoDrawOnlyFog(TheMap.Tiles[UNEXPLORED_TILE],dx,dy);
@ -1458,9 +1529,9 @@ global void DrawMapFogOfWar(int x,int y)
dx=TheUI.MapX;
while( dx<=ex ) {
if( *redraw_tile ) {
#if NEW_MAPDRAW > 1
#if NEW_MAPDRAW > 1
(*redraw_tile)--;
#else
#else
*redraw_tile=0;
#ifdef NEW_FOW
if( TheMap.Fields[sx].Explored&(1<<ThisPlayer->Player) ) {
@ -1475,7 +1546,7 @@ global void DrawMapFogOfWar(int x,int y)
VideoDrawTile(TheMap.Tiles[UNEXPLORED_TILE],dx,dy);
}
#endif
#endif
#endif
}
++redraw_tile;
++sx;