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Implement G_MWO_POINT_XYSCREEN and G_MWO_POINT_ZSCREEN for gSPModifyVertex.

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Sergey Lipskiy 2014-11-04 10:25:00 +06:00
parent 88aa4499ff
commit 26e525a4e8
1 changed files with 17 additions and 12 deletions
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29
gSP.cpp
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@ -1650,7 +1650,7 @@ void gSPModifyVertex( u32 _vtx, u32 _where, u32 _val )
vtx0.g = _SHIFTR( _val, 16, 8 ) * 0.0039215689f;
vtx0.b = _SHIFTR( _val, 8, 8 ) * 0.0039215689f;
vtx0.a = _SHIFTR( _val, 0, 8 ) * 0.0039215689f;
break;
break;
case G_MWO_POINT_ST:
if (gDP.otherMode.texturePersp != 0) {
vtx0.s = _FIXED2FLOAT( (s16)_SHIFTR( _val, 16, 16 ), 5 );
@ -1660,19 +1660,24 @@ void gSPModifyVertex( u32 _vtx, u32 _where, u32 _val )
vtx0.t = _FIXED2FLOAT( (s16)_SHIFTR( _val, 0, 16 ), 6 );
}
vtx0.st_scaled = 1;
break;
break;
case G_MWO_POINT_XYSCREEN:
#ifdef DEBUG
DebugMsg( DEBUG_HIGH | DEBUG_UNHANDLED, "gSPModifyVertex( %i, %s, 0x%08X );\n",
_vtx, MWOPointText[(_where - 0x10) >> 2], _val );
#endif
break;
{
f32 scrX = _FIXED2FLOAT( (s16)_SHIFTR( _val, 16, 16 ), 2 );
f32 scrY = _FIXED2FLOAT( (s16)_SHIFTR( _val, 0, 16 ), 2 );
vtx0.x = (scrX - gSP.viewport.vtrans[0]) / gSP.viewport.vscale[0];
vtx0.x *= vtx0.w;
vtx0.y = -(scrY - gSP.viewport.vtrans[1]) / gSP.viewport.vscale[1];
vtx0.y *= vtx0.w;
}
break;
case G_MWO_POINT_ZSCREEN:
#ifdef DEBUG
DebugMsg( DEBUG_HIGH | DEBUG_UNHANDLED, "gSPModifyVertex( %i, %s, 0x%08X );\n",
_vtx, MWOPointText[(_where - 0x10) >> 2], _val );
#endif
break;
{
f32 scrZ = (f32)((s16)(_val>>16));
vtx0.z = (scrZ - gSP.viewport.vtrans[2]) / gSP.viewport.vscale[2];
vtx0.z *= vtx0.w;
}
break;
}
}