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Smoothen ballistic shield 'movement' by taking soldier position offsets into account

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git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@8467 3b4a5df2-a311-0410-b5c6-a8a6f20db521
This commit is contained in:
Flugente
2017-08-30 19:33:23 +00:00
parent fb61c74e40
commit ff8a656040
1 changed files with 13 additions and 2 deletions
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TileEngine/renderworld.cpp
+13 -2
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@@ -634,7 +634,7 @@ void ShowRiotShield( SOLDIERTYPE* pSoldier )
// but don*t do so while scrolling, because that looks weird
if ( !gfScrollPending && !gfScrollInertia)
{
INT32 iBack = RegisterBackgroundRect(BGND_FLAG_SINGLE, NULL, sScreenX - 50, sScreenY - 60, sScreenX + 50, sScreenY + 35);
INT32 iBack = RegisterBackgroundRect(BGND_FLAG_SINGLE, NULL, sScreenX - 50, sScreenY - 60, sScreenX + 50, sScreenY + 35 );
if (iBack != -1)
{
@@ -648,7 +648,18 @@ void ShowRiotShield( SOLDIERTYPE* pSoldier )
if (pObj)
offset = Item[pObj->usItem].usRiotShieldGraphic;
BltVideoObjectFromIndex( FRAME_BUFFER, guiShieldGraphic, offset * 8 + pSoldier->ubDirection, sScreenX - 20, sScreenY - 60, VO_BLT_TRANSSHADOW, NULL );
// try to keep the shield 'moving' alongside the soldier. This won't work perfectly, but it's better than nothing
INT16 base_x = 0;
INT16 base_y = 0;
ConvertMapPosToWorldTileCenter( pSoldier->sGridNo, &base_x, &base_y );
INT16 dx = pSoldier->sX - base_x;
INT16 dy = pSoldier->sY - base_y;
INT16 offset_x = (dx - dy);
INT16 offset_y = (dx + dy);
BltVideoObjectFromIndex( FRAME_BUFFER, guiShieldGraphic, offset * 8 + pSoldier->ubDirection, sScreenX - 20 + offset_x, sScreenY - 60 + offset_y, VO_BLT_TRANSSHADOW, NULL );
}
}