#include "handler.h"
#include "global.h"


// ---------------------------------------------------------------------------
//
// PLAY HANDLER
//
// ---------------------------------------------------------------------------

PlayHandler::PlayHandler()
	: EventHandler(),
	  mCanFire(true),
	  mFireCounter(0),
	  mRateOfFire(5)
{
}

void PlayHandler::process(double dt)
{
	// don't process input if the player is not alive
	if (Global::ship->getState() != ScreenObject::ALIVE)
		return;

	// set the "can fire" flag
	mFireCounter += dt;
	if (mFireCounter >= mRateOfFire)
		mCanFire = true, mFireCounter = 0;

	// dispatch events
	if (mouseMotion())
	{
		Global::ship->rotation =
			atan2((double) (mouseX()-(Screen::mDisplay.x>>1)),
			      (double) ((Screen::mDisplay.y>>1)-mouseY()));
		Global::ship->rotate(0);
	}
	else
	{
		if (keyPressed(SDLK_RIGHT))	Global::ship->rotate(RAD(5) * dt);
		if (keyPressed(SDLK_LEFT))	Global::ship->rotate(RAD(-5) * dt);
	}
	if (keyPressed(SDLK_UP)   || mouseButton(1)) Global::ship->accelerate(dt);
	if (keyPressed(SDLK_DOWN) || mouseButton(3)) Global::ship->decelerate(dt);

	if (mCanFire && (keyPressed(SDLK_a)))
		Global::ship->fire(), mCanFire = false;
}


// ---------------------------------------------------------------------------
//
// MENU HANDLER
//
// ---------------------------------------------------------------------------

MenuHandler::MenuHandler()
	: EventHandler()
{
}

extern void MenuUp();
extern void MenuDown();
extern void MenuExec(Controller*);

static bool canmenu = true;
static double menutm = 0;

static bool mup=false, mdown=false, mexec=false;

void MenuHandler::process(double dt)
{
	menutm += dt;
	if (menutm > 10)
	{
		menutm = 0;
		canmenu = true;
	}
	if (!canmenu) return;
	else if (mup) MenuUp();
	else if (mdown) MenuDown();
	else if (mexec) MenuExec(mController);

	mup = false, mdown = false, mexec = false;
	canmenu = false;
}

void MenuHandler::pressKey(SDLKey c)
{
	mup = false, mdown = false, mexec = false;
	switch (c)
	{
	case SDLK_RETURN:
	case SDLK_SPACE:
	case SDLK_KP_ENTER:
		mexec = true;
		break;
	case SDLK_UP:
		mup = true;
		break;
	case SDLK_DOWN:
		mdown = true;
		break;
	default:
		break;
	}
}