miguel.horta/commandergenius
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- added semi-transparent sprites feature. (Used in masked tiles)

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- fixed minor bugs


git-svn-id: https://clonekeenplus.svn.sourceforge.net/svnroot/clonekeenplus/cgenius/trunk@198 4df4b0f3-56ce-47cb-b001-ed939b7d65a6
This commit is contained in:
gerstrong
2009-08-01 12:20:22 +00:00
parent ee00c0f49b
commit ed9f653202
9 changed files with 48 additions and 62 deletions
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30
src/CGraphics.cpp
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@@ -96,10 +96,18 @@ unsigned char xa,ya;
void CGraphics::drawSprite_direct(int x, int y, unsigned int t)
{
unsigned char xa,ya;
unsigned char oldpixel; // used for the or operation when drawing maked sprites
for(ya=0;ya<sprites[t].ysize;ya++)
for(xa=0;xa<sprites[t].xsize;xa++)
if (sprites[t].maskdata[ya][xa])
g_pVideoDriver->setpixel(x+xa, y+ya, sprites[t].imgdata[ya][xa]);
if ( sprites[t].maskdata[ya][xa] )
{
oldpixel = g_pVideoDriver->getpixel(x+xa, y+ya);
g_pVideoDriver->setpixel(x+xa, y+ya, (oldpixel | sprites[t].imgdata[ya][xa]) );
}
else
g_pVideoDriver->setpixel(x+xa, y+ya, (sprites[t].imgdata[ya][xa]==0) ? 16 :
sprites[t].imgdata[ya][xa]);
}
void CGraphics::drawTile(int x, int y, unsigned int t)
@@ -250,11 +258,12 @@ unsigned int xstart,ystart;
bufoffX = (x+xstart+scrollx_buf)&511; // offset within line
for(xa=xstart;xa<sprites[s].xsize;xa++)
{
if (sprites[s].maskdata[ya][xa])
{
objects[objectnum].erasedata[ya][xa] = scrollbuffer[bufoffY+bufoffX];
scrollbuffer[bufoffY+bufoffX] = sprites[s].imgdata[ya][xa];
}
objects[objectnum].erasedata[ya][xa] = scrollbuffer[bufoffY+bufoffX];
if ( sprites[s].maskdata[ya][xa] )
scrollbuffer[bufoffY+bufoffX] |= sprites[s].imgdata[ya][xa];
else
scrollbuffer[bufoffY+bufoffX] = sprites[s].imgdata[ya][xa];
bufoffX = (bufoffX+1)&511;
}
// move to next line and wrap to top of buffer if needed
@@ -286,11 +295,8 @@ unsigned int xstart,ystart;
bufoffX = (x+xstart+scrollx_buf)&511; // offset within line
for(xa=xstart;xa<sprites[s].xsize;xa++)
{
if (sprites[s].maskdata[ya][xa])
{
scrollbuffer[bufoffY+bufoffX] = objects[objectnum].erasedata[ya][xa];
}
bufoffX = (bufoffX+1)&511;
scrollbuffer[bufoffY+bufoffX] = objects[objectnum].erasedata[ya][xa];
bufoffX = (bufoffX+1)&511;
}
// move to next line and wrap to top of buffer if needed
bufoffY += 512;