player.cpp

来自「一个语言识别引擎」· C++ 代码 · 共 390 行

// -*- mode:C++; tab-width:4; c-basic-offset:4; indent-tabs-mode:nil -*-
#include <string.h>
#include <stdio.h>

#include "Player.h"
#include "Game.h"

#define MAX_ARG_CT (8)
#define MAX_ARG_LEN (256)

//#ifdef __WIN32__
#define for if(1) for
//#endif



void Player::apply(int argc, const char *argv[]) {
    Game& game = Game::getGame();
    game.wait();

    if (argc>=0) {
        switch(argv[0][0]) {
        case 'l':
            if (isEmbodied()) {
                look();
                //Game::getGame().look(id,*this);
            }
            break;
        case 's':
            if (isEmbodied()) {
                char buf[1000];
                const char prefix[] = "broadcast";
                int at = 0;
                for (int i=-1; i<argc; i++) {
                    const char *txt = NULL;
                    if (i==-1) { 
                        txt = prefix;
                    } else if (i==0) { 
                        txt = getName(); 
                    } else { 
                        txt = argv[i]; 
                    }
                    if (i>=0) {
                        if (at<sizeof(buf)-2) {
                            buf[at] = ' ';
                            at++;
                        }
                    }
                    for (unsigned int j=0; j<ACE_OS::strlen(txt); j++)
                        if (at<sizeof(buf)-2) {
                            buf[at] = txt[j];
                            at++;
                        }
                }
                buf[at] = '\0';
                send(buf);
                broadcast(buf);
            }
            break;


            // manage moves "go" (u,d,l,r)
        case 'g':
            if (isEmbodied()) {
                if (1||argc==2) {
                    switch (argv[1][0]) {
                    case 'l':
                        move(-1,0);
                        //Game::getGame().move(id,*this,-1,0);
                        break;
                    case 'r':
                        move(1,0);
                        //Game::getGame().move(id,*this,1,0);
                        break;
                    case 'u':
                        move(0,-1);
                        //Game::getGame().move(id,*this,0,-1);
                        break;
                    case 'd':
                        move(0,1);
                        //Game::getGame().move(id,*this,0,1);
                        break;
                    default:
                        send("error [word] \"strange go command\" (suggest");
                        send("  \"go left\"");
                        send("  \"go right\"");
                        send("  \"go up\"");
                        send("  \"go down\"");
                        send(")");
                        break;
                    }
                }
            }
            break;

            // manage firing "fire" (u,d,l,r)
        case 'f':
            if (isEmbodied()) {
                if (1||argc==2) {
                    switch (argv[1][0]) {
                    case 'l':
                        fire(-1,0);
                        break;
                    case 'r':
                        fire(1,0);
                        break;
                    case 'u':
                        fire(0,-1);
                        break;
                    case 'd':
                        fire(0,1);
                        break;
                    default:
                        send("error [word] \"strange fire command\" (suggest");
                        send("  \"fire left\"");
                        send("  \"fire right\"");
                        send("  \"fire up\"");
                        send("  \"fire down\"");
                        send(")");
                        break;
                    }
                }
            }
            break;

        case 'c':
            //send("Current server implementation ignores password");
            {
                const char *name = "anon";
                const char *key = "no-password";
                if (argc>=2) { name = argv[1]; }
                if (argc>=3) { key = argv[2]; }
                if (argc==3||1) {
                    printf("LOGIN %s %s\n", name, key);
                    bool ok = false;
                    if (!isEmbodied()) {
                        ok = login.apply(name,key);
                    }
                    if (!ok) {
                        send("error [name] \"login failed\"");
                    } else {
                        id = login.getID();
                        setName(name);
                        setEnergy(10000);
                        setLife(6000);
                        setFirerange(4);
                        send("status [name] 1");
                    }
                }
            }
            break;
        default:
            send("error [word] \"command not understood\" (suggest");
            send("  \"look\"");
            send("  \"say message...\"");
            send("  \"go left/right/up/down\"");
            send("  \"fire left/right/up/down\"");
            send(")");
            break;
        }
    }

    game.post();
}


void Player::apply(const char *command) {
    const char *argv[MAX_ARG_CT];
    char buf[MAX_ARG_CT][MAX_ARG_LEN];

    int at = 0;
    int sub_at = 0;
    for (unsigned int i=0; i<ACE_OS::strlen(command)+1; i++) {
        if (at<MAX_ARG_CT) {
            char ch = command[i];
            if (ch>=32||ch=='\0') {
                if (ch==' ') {
                    ch = '\0';
                }
                if (sub_at<MAX_ARG_LEN) {
                    buf[at][sub_at] = ch;
                    sub_at++;
                }
            }
            if (ch == '\0') {
                if (sub_at>1) {
                    at++;
                }
                sub_at = 0;
            } 
        }
    }
    for (int i=0; i<MAX_ARG_CT; i++) {
        argv[i] = buf[i];
        buf[i][MAX_ARG_LEN-1] = '\0';
    }

    apply(at,argv);
}




void Player::move(int dx, int dy) {
    Thing& thing = login.getThing();
    if (!thing.isAlive()) { 
        send("error [dead] \"you are dead\"");
        return; 
    }
    send("ack [move] \"move requested\"");
    if (dx>1) dx = 1;
    if (dx<-1) dx = -1;
    if (dy>1) dy = 1;
    if (dy<-1) dy = -1;
    if (thing.isAlive()) {
        thing.setMove(dx,dy);
    }
}


void Player::fire(int tx, int ty) {
    Thing& thing = login.getThing();
    if (!thing.isAlive()) { 
        send("error [dead] \"you are dead\"");
        return; 
    }

    send("ack [fire] \"fire requested\"");

	// fire (-1, 5); target, at most
	// client (x,y)  beginning

    Game& game = Game::getGame();
    ID x = thing.getX();
    ID y = thing.getY();

    int fr = getFirerange();

    printf("\"life\" %d \"range\" %d", getLife(), getFirerange());

    for(int i=1; i<=fr; i++) {
        //send("Fire loop");

        ID nid = game.getCell(ID(x.asInt() + i*tx),ID(y.asInt() + i*ty));
        game.setTransient(ID(x.asInt() + i*tx),ID(y.asInt() + i*ty),1,0.5);
        long int myid = nid.asInt();

        if (myid != 0) {
            if(myid >= 100) {
                Thing& other = game.getThing(myid);
                other.setLife(other.getLife() - 1000);
	  
                if(other.getLife() <= 0)  other.setLifetime(0);
            }
            break;  // something hit
        }
    }
    //send("Fire finished");

}



void Player::look() {
    send("(look");
    send("  (map");
    ID x, y;
    Game& game = Game::getGame();
    Thing& thing = login.getThing();
    x = thing.getX();
    y = thing.getY();
    char buf[256], buf_bar[256];
    int dx = 10, dy = 5;
 
    int at = 0;
    buf_bar[at] = ' ';
    at++;
    buf_bar[at] = ' ';
    at++;
    buf_bar[at] = ' ';
    at++;
    buf_bar[at] = ' ';
    at++;
    buf_bar[at] = '\"';
    at++;
    for (long int xx=x.asInt()-dx; xx<=x.asInt()+dx+2; xx++) {
        buf_bar[at] = ':';
        at++;
    }
    buf_bar[at] = '\"';
    at++;
    buf_bar[at] = '\0';
    send(buf_bar);
    buf_bar[at] = ')';
    at++;
    buf_bar[at] = '\0';

    for (long int yy=y.asInt()-dy; yy<=y.asInt()+dy; yy++) {
        at = 0;
        buf[at] = ' ';
        at++;
        buf[at] = ' ';
        at++;
        buf[at] = ' ';
        at++;
        buf[at] = ' ';
        at++;
        buf[at] = '\"';
        at++;
        buf[at] = ':';
        at++;
        for (long int xx=x.asInt()-dx; xx<=x.asInt()+dx; xx++) {
            char ch = ' ';
            ID nid = game.getCell(ID(xx),ID(yy));
            long int x = nid.asInt();
            if (x!=0) {
                if (x>=100) {
                    if(!game.getThing(nid).isAlive()) {
                        if (x==login.getID().asInt()) {
                            ch = '%';
                        } else {
                            ch = '*';
                        }
                    } else if (x==login.getID().asInt()) {
                        ch = 'Q';  // me 
                    } else if(game.getThing(nid).isBullet()) {
                        ch = '.';
                    } else {
                        ch = 'O';  // another one
                    }
                } else if(x == 1)  {
                    ch = '#';	// piece of wall
                }
                else if(x == 2) {
                    ch = 'o';	// a bullet
                }
            }
            if (ch==' ') {
                int transient = game.getTransient(ID(xx),ID(yy));
                if (transient) {
                    ch = '=';
                }
            }
            buf[at] = ch;
            at++;
        }
        buf[at] = ':';
        at++;
        buf[at] = '\"';
        at++;
        buf[at] = '\0';
        send(buf);
    }
    send(buf_bar);

    send("  (players ");
    sprintf(buf,"    (%s (location %d %d) (life %d))", 
            login.getThing().getName(),
            thing.getX().asInt(),
            thing.getY().asInt(),
            login.getThing().getLife()/1000);
    send(buf);

    for (long int yy=y.asInt()-dy; yy<=y.asInt()+dy; yy++) {
        for (long int xx=x.asInt()-dx; xx<=x.asInt()+dx; xx++) {
            ID nid = game.getCell(ID(xx),ID(yy));
            long int x = nid.asInt();
            if (x>=100 && x!=login.getID().asInt()) {
                char buf[1000];
                sprintf(buf,"    (%s (location %d %d) (life %d))", 
                        game.getThing(nid).getName(),
                        xx,yy,
                        game.getThing(nid).getLife()/1000);
                send(buf);
            }
        }
    }

    send("))");
    send(NULL);
}


void Player::shutdown() {
    login.shutdown();
    id = -1;
}