Parse out scrollfog value used for blending over the 2d background.

This commit is contained in:
Ian Curtis 2016-10-08 15:41:16 +00:00
parent 33e795de9b
commit ef11990d19
2 changed files with 3 additions and 3 deletions

View file

@ -96,6 +96,7 @@ struct Viewport
float spotRange[2]; // Z range
float spotColor[3]; // color
float fogParams[5]; // fog parameters (...)
float scrollFog; // a transparency value that determines if fog is blended over the bottom 2D layer
int x, y; // viewport coordinates (scaled and in OpenGL format)
int width, height; // viewport dimensions (scaled for display surface size)
int priority;

View file

@ -735,6 +735,8 @@ void CNew3D::RenderViewport(UINT32 addr)
vp->fogParams[3] = std::abs(*(float *)&vpnode[0x23]); // fog density - ocean hunter uses negative values, but looks the same
vp->fogParams[4] = (float)(INT16)(vpnode[0x25] & 0xFFFF)*(1.0f / 255.0f); // fog start
vp->scrollFog = (float)(vpnode[0x20] & 0xFF) * (1.0f / 255.0f); // scroll fog
{
//test fog paramaters
float lightFogColour[3];
@ -756,11 +758,8 @@ void CNew3D::RenderViewport(UINT32 addr)
}
// Unknown light/fog parameters
float scrollFog = (float)(vpnode[0x20] & 0xFF) * (1.0f / 255.0f); // scroll fog
float scrollAtt = (float)(vpnode[0x24] & 0xFF) * (1.0f / 255.0f); // scroll attenuation
printf("scroll fog scroll %f attentioatn %f ---- %f %f %f %f\n", scrollFog, scrollAtt, vp->fogParams[0], vp->fogParams[1], vp->fogParams[2], vp->fogParams[3], vp->fogParams[4]);
// Clear texture offsets before proceeding
m_nodeAttribs.Reset();