TargetRendererImplTarget.cpp

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    Scorched3D is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <tankgraph/TargetRendererImplTarget.h>
#include <target/TargetLife.h>
#include <target/TargetState.h>
#include <landscape/Landscape.h>
#include <landscape/ShadowMap.h>
#include <GLEXT/GLCameraFrustum.h>
#include <GLEXT/GLState.h>
#include <client/ScorchedClient.h>
#include <engine/ActionController.h>
#include <graph/ModelRendererStore.h>
#include <graph/OptionsDisplay.h>
#include <float.h>

TargetRendererImplTarget::TargetRendererImplTarget(Target *target,
        ModelID model, ModelID burntModel, 
        float scale, float color) :
        TargetRendererImpl(target),
        modelId_(model), burntModelId_(burntModel),
        target_(target),
        burnt_(false),
        shieldHit_(0.0f), totalTime_(0.0f),
        targetTips_(target),
        scale_(scale), color_(color)
{
        modelRenderer_ = new ModelRendererSimulator(
                ModelRendererStore::instance()->loadModel(model));
        burntModelRenderer_ = new ModelRendererSimulator(
                ModelRendererStore::instance()->loadModel(burntModel));

        if (burntModelId_.getType()[0] == 'T' ||
                modelId_.getType()[0] == 'T')
        {
                tree_ = true;
        }
}

TargetRendererImplTarget::~TargetRendererImplTarget()
{
        delete modelRenderer_;
        delete burntModelRenderer_;
}

void TargetRendererImplTarget::simulate(float frameTime)
{
        totalTime_ += frameTime;
        if (shieldHit_ > 0.0f)
        {
                shieldHit_ -= frameTime / 25.0f;
                if (shieldHit_ < 0.0f) shieldHit_ = 0.0f;
        }

        if (burnt_) burntModelRenderer_->simulate(frameTime * 20.0f);
        else modelRenderer_->simulate(frameTime * 20.0f);
}

void TargetRendererImplTarget::render(float distance)
{
        createParticle();

        float size = 2.0f;
        float fade = 1.0f;
        if (!tree_)
        {
                storeTarget2DPos();

                size = getTargetSize();
                fade = getTargetFade(distance, size * 2.0f);

                // Draw texture shadows (if hardware shadows aren't on)
                if (target_->getTargetState().getDisplayShadow() &&
                        Landscape::instance()->getShadowMap().shouldAddShadow())
                {
                        Landscape::instance()->getShadowMap().addCircle(
                                target_->getLife().getFloatPosition()[0], 
                                target_->getLife().getFloatPosition()[1], 
                                target_->getLife().getSize().Max().asFloat() + 2.0f,
                                fade);
                }

                // Draw the target model
                glColor4f(color_, color_, color_, fade);
        }

        // Generate and cache the OpenGL transform matrix
        if (!matrixCached_)
        {
                cachedMatrix_.identity();
                cachedMatrix_.translate(
                        target_->getLife().getFloatPosition()[0], 
                        target_->getLife().getFloatPosition()[1], 
                        target_->getLife().getFloatPosition()[2]);
                cachedMatrix_.multiply(target_->getLife().getFloatRotMatrix());
                cachedMatrix_.scale(scale_, scale_, scale_);

                matrixCached_ = true;
        }

        glPushMatrix();
                glMultMatrixf(cachedMatrix_);
                if (burnt_) burntModelRenderer_->drawBottomAligned(distance, fade);
                else modelRenderer_->drawBottomAligned(distance, fade);
        glPopMatrix();
}

void TargetRendererImplTarget::render2D(float distance)
{
        // Add the tooltip that displays the tank info
        GLWToolTip::instance()->addToolTip(&targetTips_.targetTip,
                float(posX_) - 10.0f, float(posY_) - 10.0f, 20.0f, 20.0f);
}

void TargetRendererImplTarget::renderShadow(float distance)
{
        if (!GLCameraFrustum::instance()->
                sphereInFrustum(target_->getLife().getFloatPosition(), 
                4.0f / 2.0f,
                GLCameraFrustum::FrustrumRed))
        {
                return;
        }

        glPushMatrix();
                glTranslatef(
                        target_->getLife().getFloatPosition()[0], 
                        target_->getLife().getFloatPosition()[1], 
                        target_->getLife().getFloatPosition()[2]);
                glMultMatrixf(target_->getLife().getFloatRotMatrix());
                glScalef(scale_, scale_, scale_);
                if (burnt_) burntModelRenderer_->drawBottomAligned(FLT_MAX, 1.0f, false);
                else modelRenderer_->drawBottomAligned(FLT_MAX, 1.0f, false);
        glPopMatrix();
}

void TargetRendererImplTarget::drawParticle(float distance)
{
        if (!getVisible()) return;

        drawParachute();
        drawShield(shieldHit_, totalTime_);
}

void TargetRendererImplTarget::shieldHit()
{
        shieldHit_ = 0.25f;
}

void TargetRendererImplTarget::fired()
{
}

void TargetRendererImplTarget::targetBurnt()
{
        burnt_ = true;
}

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