/*Copyright (C) 2003 Parallel RealitiesThis program is free software; you can redistribute it and/ormodify it under the terms of the GNU General Public Licenseas published by the Free Software Foundation; either version 2of the License, or (at your option) any later version.This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY 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 Licensealong with this program; if not, write to the Free SoftwareFoundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.*/#include "cargo.h"void initCargo(){	for (int i = 0 ; i < MAX_CARGO ; i++)	{		cargo[i].active = 0;		cargo[i].owner = NULL;	}}/** I think you all know what this does by now! ;)*/int getCargo(){	for (int i = 0 ; i < MAX_CARGO ; i++)	{		if (cargo[i].active == 0)			return i;	}	return -1;}object *addCargo(object *owner, int cargoType){	int index = getCargo();	if (index == -1)		return NULL;	cargo[index].active = 1;	cargo[index].owner = owner;	cargo[index].x = owner->x;	cargo[index].y = owner->y;	cargo[index].dx = 0;	cargo[index].dy = 0;	cargo[index].collectType = cargoType;	cargo[index].image[0] = graphics.shape[32];	if (cargoType == P_PHOEBE)		cargo[index].image[0] = graphics.shipShape[20];	return &cargo[index];}void becomeCollectable(int i){	if (cargo[i].collectType != P_PHOEBE)	{		addCollectable(cargo[i].x, cargo[i].y, cargo[i].collectType, 1, 600);	}	else	{		enemy[FR_PHOEBE].active = 1;		enemy[FR_PHOEBE].x = cargo[i].x;		enemy[FR_PHOEBE].y = cargo[i].y;		setRadioMessage(FACE_PHOEBE, "Thanks!! Watch out, WEAPCO! Phoebe's loose and she's ANGRY!!!", 1);	}	cargo[i].active = 0;}void doCargo(){	float dx, dy, chainX, chainY;	for (int i = 0 ; i < MAX_CARGO ; i++)	{		if (cargo[i].active)		{			if (!cargo[i].owner->active)			{				becomeCollectable(i);				continue;			}			graphics.blit(cargo[i].image[0], (int)cargo[i].x, (int)cargo[i].y);			cargo[i].x += engine.ssx;			cargo[i].y += engine.ssy;			Math::limitFloat(&cargo[i].x, cargo[i].owner->x - 50, cargo[i].owner->x + 50);			Math::limitFloat(&cargo[i].y, cargo[i].owner->y - 50, cargo[i].owner->y + 50);			dx = (cargo[i].x - cargo[i].owner->x) / 10;			dy = (cargo[i].y - cargo[i].owner->y) / 10;			chainX = cargo[i].x - cargo[i].dx;			chainY = cargo[i].y - cargo[i].dy;			// draw the chain link line			for (int j = 0 ; j < 10 ; j++)			{				graphics.blit(graphics.shape[30], (int)chainX, (int)chainY);				chainX -= dx;				chainY -= dy;			}		}	}}