/*
* Agent.cpp
* openc2e
*
* Created by Alyssa Milburn on Tue May 25 2004.
* Copyright (c) 2004 Alyssa Milburn. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
*/
#include "Agent.h"
#include "World.h"
#include "physics.h"
#include <iostream>
#include <sstream>
#include "caosVM.h"
Agent::Agent(unsigned char f, unsigned char g, unsigned short s, unsigned int p) :
visible(true), family(f), genus(g), species(s), zorder(p), vm(0), timerrate(0) {
velx.setFloat(0.0f);
vely.setFloat(0.0f);
accg = 0.3f;
range = 500;
sufferphysics = false;
x = 0.0f; y = 0.0f;
clac[0] = 1; // activate 1
clik = -1;
// AgentRef stuff
self.ref = this;
self.next = self.prev = &self;
dying = false;
unid = -1;
zorder_iter = world.agents.insert(this);
}
Agent::~Agent() {
world.agents.erase(zorder_iter);
if (vm)
world.freeVM(vm);
zotrefs();
if (unid != -1)
world.freeUNID(unid);
}
void Agent::moveTo(float _x, float _y) {
x = _x; y = _y;
}
void Agent::fireScript(unsigned short event) {
if (dying) return;
script *s = world.scriptorium.getScript(family, genus, species, event);
if (!vm) vm = world.getVM(this);
if (vm->fireScript(s, (event == 9)))
vm->setTarg(this);
// This slows us down too much :)
#if 0
std::cout << "Agent::fireScript fired " << (unsigned int)family << " " << (unsigned int)genus << " " << species << " ";
const std::string n = world.catalogue.getAgentName(family, genus, species);
if (n.size())
std::cout << "(" << n << ") ";
std::cout << (unsigned int)event << std::endl;
#endif
}
void Agent::tick() {
if (dying) return;
if (sufferphysics && accg) {
float newvely = vely.floatValue + accg;
float destx = x + velx.floatValue;
float desty = y + newvely;
//std::cout << x << ", " << y << ": " << destx << ", " << desty << "! " << accg << "\n";
Room *r1 = world.map.roomAt((unsigned int)x, (unsigned int)y);
if (!r1) {
// std::cout << "not doing physics on agent " << identify() << ", outside room system!\n";
}
Room *r2 = world.map.roomAt((unsigned int)destx + getWidth(), (unsigned int)desty + getHeight());
Room *r3 = world.map.roomAt((unsigned int)destx, (unsigned int)desty);
//if (r1 && (r1 == r2) && (r2 == r3)) {
// If the object is already in a room, and the destination point is also in the room,
// for now we don't bother checking. We *should*, because (crazily) it could take a
// path out of the room and back in again, once we're doing more than dumb velocity.
// vely.setFloat(newvely);
// moveTo(destx, desty);
/*} else */ if (r1) { // if we *are* actually in a room
// Otherwise, check the motion pixel-by-pixel. Oh boy.
bool moved = false, collided = false;
int ix = x, iy = y, idestx = destx, idesty = desty;
int dx = (ix < idestx ? 1 : -1);
int dy = (iy < idesty ? 1 : -1);
while (ix != idestx || iy != idesty) {
// We just alternate here. There's probably a more
// accurate method, but meh
if (iy != idesty) {
iy += dy;
Room *room1 = world.map.roomAt(ix, iy);
Room *room2 = world.map.roomAt(ix + getWidth(), iy + getHeight());
if ((!room1) || (!room2)) {
iy -= dy;
collided = true;
break;
}
}
if (ix != idestx) {
ix += dx;
Room *room1 = world.map.roomAt(ix, iy);
Room *room2 = world.map.roomAt(ix + getWidth(), iy + getHeight());
if ((!room1) || (!room2)) {
ix -= dx;
collided = true;
break;
}
}
moved = true;
}
vely.setFloat(newvely);
if (moved) { // if we did actually try and go somewhere
// TODO: this totally destroys floatness!
x = ix;
y = iy;
if (collided) {
fireScript(6);
if (vm) vm->setVariables(velx, vely);
vely.setFloat(0);
}
}
}
} else {
if (vely.hasDecimal())
y = y + vely.getFloat();
if (velx.hasDecimal())
x = x + velx.getFloat();
}
if (timerrate) {
tickssincelasttimer++;
if (tickssincelasttimer == timerrate) {
fireScript(9);
tickssincelasttimer = 0;
}
}
if (vm) {
vm->tick();
if (vm->stopped()) {
world.freeVM(vm);
vm = NULL;
}
}
}
void Agent::kill() {
assert(!dying);
dying = true; // what a world, what a world...
if (vm)
vm->stop();
zotrefs();
world.killqueue.push_back(this);
}
void Agent::zotrefs() {
while (self.next != &self)
self.next->clear();
}
void Agent::setZOrder(unsigned int z) {
zorder = z;
world.agents.erase(zorder_iter);
zorder_iter = world.agents.insert(this);
}
int Agent::getUNID() {
if (unid != -1)
return unid;
return unid = world.getUNID(this);
}
std::string Agent::identify() const {
std::ostringstream o;
o << (int)family << " " << (int)genus << " " << species << " ";
const std::string n = world.catalogue.getAgentName(family, genus, species);
if (n.size())
o << "(" + n + ")";
if (unid != -1)
o << " unid " << unid;
else
o << " (no unid assigned)";
return o.str();
}
bool agentzorder::operator ()(const Agent *s1, const Agent *s2) const {
return s1->zorder < s2->zorder;
}
/* vim: set noet: */
