opengw/entitytinyspinner.cpp at master · capehill/opengw · GitHub

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#include "entitytinyspinner.hpp"
#include "game.hpp"
#include "grid.hpp"
#include "players.hpp"

entityTinySpinner::entityTinySpinner(const game& gameRef)
    : entitySpinner(gameRef), mGame(gameRef)
{
    mScale = 1;
    mRadius = 2.2;

    mScoreValue = 50;

    mAnimationIndex = 0;

    mType = ENTITY_TYPE_TINYSPINNER;
}

void entityTinySpinner::draw()
{
    if (this->getState() == entity::ENTITY_STATE_INDICATING) {
        if (((int)(mStateTimer / 10)) & 1) {
            vector::pen pen = mPen;
            mModel.draw(pen);
        }
    } else if (this->getEnabled()) {
        mModel.Identity();
        mModel.Scale(mScale);
        mModel.Rotate(mAngle);
        mModel.Translate(mVirtualPos);

        mModel.draw(mPen);
    }
}

void entityTinySpinner::run()
{
    if (this->getEnabled()) {
        // Seek the player

        float angle = mathutils::calculate2dAngle(mPos, mGame.mPlayers->getPlayerClosestToPosition(mPos)->getPos());
        Point3d moveVector(1, 0, 0);
        moveVector = mathutils::rotate2dPoint(moveVector, angle);
        mSpeed += moveVector * .02;
        mSpeed = mathutils::clamp2dVector(mSpeed, .2 * mAggression);
        mSpeed *= .9;

        // Run circling animation

        mAnimationIndex += .12;
        Point3d offset(5, 0, 0);
        offset = mathutils::rotate2dPoint(offset, mAnimationIndex);
        mVirtualPos = mPos + offset;
        mAngle = mAnimationIndex * 2;

        if (mVirtualPos.x < 0)
            mVirtualPos.x = 0;
        else if (mVirtualPos.x > theGame->mGrid->extentX() - 1)
            mVirtualPos.x = theGame->mGrid->extentX() - 1;

        if (mVirtualPos.y < 0)
            mVirtualPos.y = 0;
        else if (mVirtualPos.y > theGame->mGrid->extentY() - 1)
            mVirtualPos.y = theGame->mGrid->extentY() - 1;
    }
    entity::run();
}

void entityTinySpinner::spawnTransition()
{
    entity::spawnTransition();
    mDrift = mInitialSpeed;
    mInitialSpeed = Point3d(0, 0, 0);
}

void entityTinySpinner::spawn()
{
    entity::spawn();

    if (mStateTimer > 0) {
        // Make them invincible (and brighter) for a short period of time
        // so we don't just pick them off as soon as they spawn
        float c = mStateTimer / mSpawnTime;
        c = (1 * c) + (.5 * (1 - c));
        mPen = vector::pen(1, c, 1, .5, 12);
        mStateTimer -= 1;
        run();
    }
    if (mStateTimer <= 0) {
        mPen = vector::pen(1, .5, 1, .5, 12);
    }
}

void entityTinySpinner::destroyTransition()
{
    entity::destroyTransition();
}

void entityTinySpinner::destroy()
{
    entity::destroy();
}

entity* entityTinySpinner::hitTest(const Point3d& pos, float radius)
{
    Point3d ourPos = mVirtualPos;

    float distance = mathutils::calculate2dDistance(pos, ourPos);
    float resultRadius = radius + getRadius();
    if (distance < resultRadius) {
        return this;
    }
    return nullptr;
}