ShipSolid.cpp

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/*  Project Starshatter 4.5
        Destroyer Studios LLC
        Copyright © 1997-2004. All Rights Reserved.

        SUBSYSTEM:    Stars.exe
        FILE:         ShipSolid.cpp
        AUTHOR:       John DiCamillo


        OVERVIEW
        ========
*/

#include "MemDebug.h"
#include "ShipSolid.h"
#include "Ship.h"
#include "Sim.h"
#include "StarSystem.h"
#include "TerrainRegion.h"

#include "Game.h"
#include "Skin.h"

// +--------------------------------------------------------------------+

ShipSolid::ShipSolid(Ship* s)
: ship(s), skin(0), in_soup(false)
{
}

// +--------------------------------------------------------------------+

ShipSolid::~ShipSolid()
{
}

// +--------------------------------------------------------------------+

void
ShipSolid::TranslateBy(const Point& ref)
{
        true_eye_point = ref;
        Solid::TranslateBy(ref);
}

// +--------------------------------------------------------------------+

void
ShipSolid::Render(Video* video, DWORD flags)
{
        if (hidden || !visible || !video || Depth() > 5e6)
        return;

        const Skin* s = 0;

        if (ship)
        s = ship->GetSkin();
        else
        s = skin;

        if (s)
        s->ApplyTo(model);

        bool fog    = false;

        if (ship && ship->IsAirborne()) {
                fog = true;

                TerrainRegion* rgn         = (TerrainRegion*) ship->GetRegion()->GetOrbitalRegion();
                double         visibility  = rgn->GetWeather().Visibility();
                FLOAT          fog_density = (FLOAT) (rgn->FogDensity() * 2.5e-5 * 1/visibility);
                Color          fog_color   = rgn->FogColor();

                // Use BLACK fog on secondary lighting pass
                // This will effectively "filter out" the highlights
                // with distance...

                if (flags & Graphic::RENDER_ADD_LIGHT)
                fog_color = Color::Black;

                video->SetRenderState(Video::FOG_ENABLE,  true);
                video->SetRenderState(Video::FOG_COLOR,   fog_color.Value());
                video->SetRenderState(Video::FOG_DENSITY, *((DWORD*) &fog_density));
        }

        if (!fog)   video->SetRenderState(Video::FOG_ENABLE,  false);

        Solid::Render(video, flags);

        if (fog)    video->SetRenderState(Video::FOG_ENABLE,  false);

        if (s)
        s->Restore(model);
}