1dot13/source
1
0
Fork 0
mirror of https://github.com/1dot13/source.git synced 2026-07-29 13:52:17 +02:00
Code Issues Packages Projects Releases Wiki Activity

Fix problems with missing tile effect in places such as Alma and Tixa underground

Browse Source 
Also fixes potential problem with buffer overruns


git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@1115 3b4a5df2-a311-0410-b5c6-a8a6f20db521
This commit is contained in:
Overhaul
2007-07-25 09:24:27 +00:00
parent b24712f2b6
commit 3b4f77b012
4 changed files with 46 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files
TileEngine/renderworld.cpp
+18 -8
View File
@@ -957,7 +957,7 @@ void RenderTiles(UINT32 uiFlags, INT32 iStartPointX_M, INT32 iStartPointY_M, INT
//if ( 0 )
if ( uiTileIndex < GRIDSIZE )
{
// OK, we're sreaching through this loop anyway, might as well check for mouse position
// OK, we're searching through this loop anyway, might as well check for mouse position
// over objects...
// Experimental!
if ( uiFlags & TILES_DYNAMIC_CHECKFOR_INT_TILE )
@@ -2892,11 +2892,16 @@ void RenderStaticWorldRect(INT16 sLeft, INT16 sTop, INT16 sRight, INT16 sBottom,
{
UINT32 uiLevelFlags[10];
UINT16 sLevelIDs[10];
UINT32 uiDestPitchBYTES;
UINT8 *pDestBuf=NULL;
// Calculate render starting parameters
CalcRenderParameters( sLeft, sTop, sRight, sBottom );
memset(gpZBuffer, LAND_Z_LEVEL, 2280 * gsVIEWPORT_END_Y );
pDestBuf = LockVideoSurface( FRAME_BUFFER, &uiDestPitchBYTES );
Assert( pDestBuf);
memset(gpZBuffer, LAND_Z_LEVEL, uiDestPitchBYTES * gsVIEWPORT_END_Y );
UnLockVideoSurface( FRAME_BUFFER);
// Reset layer optimizations
@@ -2992,12 +2997,17 @@ void RenderStaticWorld( )
{
UINT32 uiLevelFlags[9];
UINT16 sLevelIDs[9];
UINT32 uiDestPitchBYTES;
UINT8 *pDestBuf=NULL;
// Calculate render starting parameters
CalcRenderParameters( gsVIEWPORT_START_X, gsVIEWPORT_START_Y, gsVIEWPORT_END_X, gsVIEWPORT_END_Y );
// Clear z-buffer
memset(gpZBuffer, LAND_Z_LEVEL, 2280 * gsVIEWPORT_END_Y );
pDestBuf = LockVideoSurface( FRAME_BUFFER, &uiDestPitchBYTES );
Assert( pDestBuf);
memset(gpZBuffer, LAND_Z_LEVEL, uiDestPitchBYTES * gsVIEWPORT_END_Y );
UnLockVideoSurface( FRAME_BUFFER);
FreeBackgroundRectType(BGND_FLAG_ANIMATED);
InvalidateBackgroundRects();
@@ -6876,7 +6886,7 @@ void ExamineZBufferForHiddenTiles( INT16 sStartPointX_M, INT16 sStartPointY_M, I
pDestBuf = LockVideoSurface( FRAME_BUFFER, &uiDestPitchBYTES );
// Get VObject for firt land peice!
// Get VObject for first land peice!
TileElem = &(gTileDatabase[ FIRSTTEXTURE1 ] );
@@ -6934,7 +6944,7 @@ void ExamineZBufferForHiddenTiles( INT16 sStartPointX_M, INT16 sStartPointY_M, I
// Don't let this happen for roads!
pObject = gpWorldLevelData[usTileIndex ].pObjectHead;
if ( IsTileRedundent( gpZBuffer, sZLevel, TileElem->hTileSurface, sX, sY, TileElem->usRegionIndex ) )
if ( IsTileRedundent( uiDestPitchBYTES, gpZBuffer, sZLevel, TileElem->hTileSurface, sX, sY, TileElem->usRegionIndex ) )
{
// Mark in the world!
gpWorldLevelData[ usTileIndex ].uiFlags |= MAPELEMENT_REDUNDENT;
@@ -7351,7 +7361,7 @@ BlitDone:
BOOLEAN IsTileRedundent( UINT16 *pZBuffer, UINT16 usZValue, HVOBJECT hSrcVObject, INT32 iX, INT32 iY, UINT16 usIndex )
BOOLEAN IsTileRedundent( UINT32 uiDestPitchBYTES, UINT16 *pZBuffer, UINT16 usZValue, HVOBJECT hSrcVObject, INT32 iX, INT32 iY, UINT16 usIndex )
{
UINT16 *p16BPPPalette;
UINT32 uiOffset;
@@ -7382,9 +7392,9 @@ BOOLEAN IsTileRedundent( UINT16 *pZBuffer, UINT16 usZValue, HVOBJECT hSrcVObject
SrcPtr= (UINT8 *)hSrcVObject->pPixData + uiOffset;
ZPtr = (UINT8 *)pZBuffer + (2280*iTempY) + (iTempX*2);
ZPtr = (UINT8 *)pZBuffer + (uiDestPitchBYTES*iTempY) + (iTempX*2);
p16BPPPalette = hSrcVObject->pShadeCurrent;
LineSkip=(2280-(usWidth*2));
LineSkip=(uiDestPitchBYTES-(usWidth*2));
__asm {