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Fixed sprites y positioning. Split legacy code in convenient function calls, nw

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This commit is contained in:
angelosa 2016-03-05 02:34:50 +01:00
parent b87afda9de
commit f0bbd842a4
1 changed files with 34 additions and 18 deletions
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50
src/mame/drivers/sprcros2.cpp
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@ -102,24 +102,24 @@ protected:
virtual void video_start() override;
private:
void legacy_bg_draw(bitmap_ind16 &bitmap,const rectangle &cliprect);
void legacy_fg_draw(bitmap_ind16 &bitmap,const rectangle &cliprect);
void legacy_obj_draw(bitmap_ind16 &bitmap,const rectangle &cliprect);
};
void sprcros2_state::video_start()
{
}
UINT32 sprcros2_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect )
void sprcros2_state::legacy_bg_draw(bitmap_ind16 &bitmap,const rectangle &cliprect)
{
gfx_element *gfx_0 = m_gfxdecode->gfx(0);
gfx_element *gfx_1 = m_gfxdecode->gfx(1);
gfx_element *gfx_2 = m_gfxdecode->gfx(2);
int y,x;
int count = 0;
for (y=0;y<32;y++)
for (int y=0;y<32;y++)
{
for (x=0;x<32;x++)
for (int x=0;x<32;x++)
{
UINT16 tile = m_bgvram[count];
tile |= (m_bgattr[count] & 7) << 8;
@ -135,27 +135,34 @@ UINT32 sprcros2_state::screen_update( screen_device &screen, bitmap_ind16 &bitma
}
}
for(count=0x40-4;count>-1;count-=4)
}
void sprcros2_state::legacy_obj_draw(bitmap_ind16 &bitmap,const rectangle &cliprect)
{
gfx_element *gfx_1 = m_gfxdecode->gfx(1);
for(int count=0x40-4;count>-1;count-=4)
{
UINT8 x,y,tile,color;
bool flipx;
y = m_sprram[count+2];
y = 224-m_sprram[count+2];
x = m_sprram[count+3];
tile = m_sprram[count+0];
flipx = bool(m_sprram[count+1] & 2);
color = (m_sprram[count+1] & 0x38) >> 3;
gfx_1->transpen(bitmap,cliprect,tile,color,flipx,0,x,y,0);
gfx_1->transpen(bitmap,cliprect,tile,color,flipx,0,x,y & 0xff,0);
}
}
count = 0;
//gfx = m_gfxdecode->gfx(2);
for (y=0;y<32;y++)
void sprcros2_state::legacy_fg_draw(bitmap_ind16 &bitmap,const rectangle &cliprect)
{
for (x=0;x<32;x++)
gfx_element *gfx_2 = m_gfxdecode->gfx(2);
int count = 0;
for (int y=0;y<32;y++)
{
for (int x=0;x<32;x++)
{
UINT16 tile = m_fgvram[count];
tile |= (m_fgattr[count] & 3) << 8;
@ -166,8 +173,17 @@ UINT32 sprcros2_state::screen_update( screen_device &screen, bitmap_ind16 &bitma
count++;
}
}
}
UINT32 sprcros2_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect )
{
legacy_bg_draw(bitmap,cliprect);
legacy_obj_draw(bitmap,cliprect);
legacy_fg_draw(bitmap,cliprect);
return 0;
}