mirror of https://github.com/dirtbags/tanks.git
Add insane example tanks
This commit is contained in:
parent
b8229bcb8a
commit
3078370ac0
569
forftanks.c
569
forftanks.c
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@ -1,569 +0,0 @@
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#include <sys/types.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "ctanks.h"
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#include "forf.h"
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#include "dump.h"
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#define MAX_TANKS 50
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#define ROUNDS 500
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#define SPACING 150
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#define LENV_SIZE 100
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#define DSTACK_SIZE 200
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#define CSTACK_SIZE 500
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#define MEMORY_SIZE 10
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struct forftank {
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struct forf_env env;
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int error_pos;
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char color[8]; /* "#ff0088" */
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char name[50];
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char *path;
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struct forf_stack _prog;
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struct forf_value _progvals[CSTACK_SIZE];
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struct forf_stack _cmd;
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struct forf_value _cmdvals[CSTACK_SIZE];
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struct forf_stack _data;
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struct forf_value _datavals[DSTACK_SIZE];
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struct forf_memory _mem;
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long _memvals[MEMORY_SIZE];
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};
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#ifndef NODEBUG
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void
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forf_print_val(struct forf_value *val)
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{
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switch (val->type) {
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case forf_type_number:
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printf("%ld", val->v.i);
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break;
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case forf_type_proc:
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printf("[proc %p]", val->v.p);
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break;
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case forf_type_stack_begin:
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printf("{");
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break;
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case forf_type_stack_end:
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printf("}");
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break;
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}
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}
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void
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forf_print_stack(struct forf_stack *s)
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{
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size_t pos;
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for (pos = 0; pos < s->top; pos += 1) {
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forf_print_val(&(s->stack[pos]));
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printf(" ");
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}
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}
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void
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forf_dump_stack(struct forf_stack *s)
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{
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printf("Stack at %p: ", s);
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forf_print_stack(s);
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printf("\n");
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}
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#endif
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/*
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*
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* Forf API
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*
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*/
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/** Has the turret recharged? */
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void
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forf_tank_fire_ready(struct forf_env *env)
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{
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struct tank *tank = (struct tank *)env->udata;
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forf_push_num(env, tank_fire_ready(tank));
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}
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/** Fire! */
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void
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forf_tank_fire(struct forf_env *env)
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{
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struct tank *tank = (struct tank *)env->udata;
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tank_fire(tank);
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}
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/** Set desired speed */
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void
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forf_tank_set_speed(struct forf_env *env)
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{
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struct tank *tank = (struct tank *)env->udata;
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long right = forf_pop_num(env);
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long left = forf_pop_num(env);
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tank_set_speed(tank, left, right);
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}
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/** Get the current turret angle */
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void
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forf_tank_get_turret(struct forf_env *env)
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{
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struct tank *tank = (struct tank *)env->udata;
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float angle = tank_get_turret(tank);
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forf_push_num(env, rad2deg(angle));
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}
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/** Set the desired turret angle */
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void
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forf_tank_set_turret(struct forf_env *env)
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{
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struct tank *tank = (struct tank *)env->udata;
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long angle = forf_pop_num(env);
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tank_set_turret(tank, deg2rad(angle));
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}
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/** Is a sensor active? */
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void
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forf_tank_get_sensor(struct forf_env *env)
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{
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struct tank *tank = (struct tank *)env->udata;
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long sensor_num = forf_pop_num(env);
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forf_push_num(env, tank_get_sensor(tank, sensor_num));
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}
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/** Set the LED state */
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void
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forf_tank_set_led(struct forf_env *env)
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{
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struct tank *tank = (struct tank *)env->udata;
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long active = forf_pop_num(env);
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tank_set_led(tank, active);
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}
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/** Pick a random number */
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void
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forf_proc_random(struct forf_env *env)
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{
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long max = forf_pop_num(env);
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forf_push_num(env, rand() % max);
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}
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/* Tanks lexical environment */
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struct forf_lexical_env tanks_lenv_addons[] = {
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{"fire-ready?", forf_tank_fire_ready},
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{"fire!", forf_tank_fire},
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{"set-speed!", forf_tank_set_speed},
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{"get-turret", forf_tank_get_turret},
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{"set-turret!", forf_tank_set_turret},
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{"sensor?", forf_tank_get_sensor},
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{"set-led!", forf_tank_set_led},
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{"random", forf_proc_random},
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{NULL, NULL}
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};
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/*
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*
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* Filesystem stuff
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*
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*/
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int
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ft_read_file(char *ptr, size_t size, char *dir, char *fn)
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{
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char path[256];
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FILE *f = NULL;
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int ret;
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int success = 0;
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do {
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snprintf(path, sizeof(path), "%s/%s", dir, fn);
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f = fopen(path, "r");
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if (! f) break;
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ret = fread(ptr, 1, size - 1, f);
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ptr[ret] = '\0';
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if (! ret) break;
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success = 1;
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} while (0);
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if (f) fclose(f);
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if (! success) {
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return 0;
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}
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return 1;
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}
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void
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ft_bricked_tank(struct tank *tank, void *ignored)
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{
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/* Do nothing, the tank is comatose */
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}
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void
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ft_run_tank(struct tank *tank, struct forftank *ftank)
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{
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int ret;
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/* Copy program into command stack */
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forf_stack_copy(&ftank->_cmd, &ftank->_prog);
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forf_stack_reset(&ftank->_data);
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ret = forf_eval(&ftank->env);
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if (! ret) {
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fprintf(stderr, "Error in %s: %s\n",
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ftank->name,
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forf_error_str[ftank->env.error]);
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}
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}
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int
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ft_read_program(struct forftank *ftank,
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struct tank *tank,
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struct forf_lexical_env *lenv,
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char *path)
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{
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char progpath[256];
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FILE *f;
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/* Open program */
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snprintf(progpath, sizeof(progpath), "%s/program", path);
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f = fopen(progpath, "r");
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if (! f) return 0;
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/* Parse program */
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ftank->error_pos = forf_parse_file(&ftank->env, f);
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fclose(f);
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if (ftank->error_pos) {
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return 0;
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}
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/* Back up the program so we can run it over and over without
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needing to re-parse */
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forf_stack_copy(&ftank->_prog, &ftank->_cmd);
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tank_init(tank, (tank_run_func *)ft_run_tank, ftank);
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return 1;
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}
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void
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ft_tank_init(struct forftank *ftank,
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struct tank *tank,
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struct forf_lexical_env *lenv)
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{
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/* Set up forf environment */
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forf_stack_init(&ftank->_prog, ftank->_progvals, CSTACK_SIZE);
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forf_stack_init(&ftank->_cmd, ftank->_cmdvals, CSTACK_SIZE);
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forf_stack_init(&ftank->_data, ftank->_datavals, DSTACK_SIZE);
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forf_memory_init(&ftank->_mem, ftank->_memvals, MEMORY_SIZE);
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forf_env_init(&ftank->env,
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lenv,
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&ftank->_data,
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&ftank->_cmd,
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&ftank->_mem,
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tank);
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}
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void
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ft_read_sensors(struct tank *tank,
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char *path)
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{
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int i;
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for (i = 0; i < TANK_MAX_SENSORS; i += 1) {
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int ret;
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char fn[10];
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char s[20];
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char *p = s;
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long range;
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long angle;
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long width;
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long turret;
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snprintf(fn, sizeof(fn), "sensor%d", i);
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ret = ft_read_file(s, sizeof(s), path, fn);
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if (! ret) {
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s[0] = 0;
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}
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range = strtol(p, &p, 0);
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angle = strtol(p, &p, 0);
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width = strtol(p, &p, 0);
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turret = strtol(p, &p, 0);
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tank->sensors[i].range = min(range, TANK_SENSOR_RANGE);
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tank->sensors[i].angle = deg2rad(angle % 360);
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tank->sensors[i].width = deg2rad(width % 360);
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tank->sensors[i].turret = (0 != turret);
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}
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}
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int
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ft_read_tank(struct forftank *ftank,
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struct tank *tank,
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struct forf_lexical_env *lenv,
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char *path)
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{
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int ret;
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ftank->path = path;
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/* What is your name? */
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ret = ft_read_file(ftank->name, sizeof(ftank->name), path, "name");
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if (! ret) {
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strncpy(ftank->name, path, sizeof(ftank->name));
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}
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/* What is your quest? */
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ft_tank_init(ftank, tank, lenv);
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ret = ft_read_program(ftank, tank, lenv, path);
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if (ret) {
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ft_read_sensors(tank, path);
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} else {
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/* Brick the tank */
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tank_init(tank, ft_bricked_tank, NULL);
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}
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/* What is your favorite color? */
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ret = ft_read_file(ftank->color, sizeof(ftank->color), path, "color");
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if (! ret) {
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strncpy(ftank->color, "#808080", sizeof(ftank->color));
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}
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return 1;
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}
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void
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print_header(FILE *f,
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struct tanks_game *game,
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struct forftank *forftanks,
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struct tank *tanks,
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int ntanks)
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{
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int i, j;
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fprintf(f, "[[%d,%d],[\n",
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(int)game->size[0], (int)game->size[1]);
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for (i = 0; i < ntanks; i += 1) {
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fprintf(f, " [\"%s\",[", forftanks[i].color);
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for (j = 0; j < TANK_MAX_SENSORS; j += 1) {
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struct sensor *s = &(tanks[i].sensors[j]);
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if (! s->range) {
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fprintf(f, "0,");
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} else {
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fprintf(f, "[%d,%.2f,%.2f,%d],",
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(int)(s->range),
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s->angle,
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s->width,
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s->turret);
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}
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}
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fprintf(f, "]],\n");
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}
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fprintf(f, "],[\n");
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}
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void
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print_footer(FILE *f)
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{
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fprintf(f, "]]\n");
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}
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void
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print_rounds(FILE *f,
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struct tanks_game *game,
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struct tank *tanks,
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int ntanks)
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{
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int i;
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int alive;
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/* Run rounds */
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alive = ntanks;
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for (i = 0; (alive > 1) && (i < ROUNDS); i += 1) {
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int j;
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tanks_run_turn(game, tanks, ntanks);
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fprintf(f, "[\n");
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alive = ntanks;
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for (j = 0; j < ntanks; j += 1) {
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struct tank *t = &(tanks[j]);
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if (t->killer) {
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alive -= 1;
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fprintf(f, " 0,\n");
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} else {
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int k;
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int flags = 0;
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int sensors = 0;
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for (k = 0; k < TANK_MAX_SENSORS; k += 1) {
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if (t->sensors[k].triggered) {
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sensors |= (1 << k);
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}
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}
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if (t->turret.firing) {
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flags |= 1;
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}
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if (t->led) {
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flags |= 2;
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}
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fprintf(f, " [%d,%d,%.2f,%.2f,%d,%d],\n",
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(int)t->position[0],
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(int)(t->position[1]),
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t->angle,
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t->turret.current,
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flags,
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sensors);
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}
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}
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fprintf(f, "],\n");
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}
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}
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void
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print_standings(FILE *f,
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struct forftank *ftanks,
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struct tank *tanks,
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int ntanks)
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{
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int i;
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for (i = 0; i < ntanks; i += 1) {
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/* &tank path cause &killer parse_error_pos lasterr */
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fprintf(f, "%p\t%s\t%s\t%p\t%d\t%s\n",
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&(tanks[i]),
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ftanks[i].path,
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tanks[i].cause_death,
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tanks[i].killer,
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ftanks[i].error_pos,
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forf_error_str[ftanks[i].env.error]);
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}
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}
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int
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main(int argc, char *argv[])
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{
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struct tanks_game game;
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struct forftank myftanks[MAX_TANKS];
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struct tank mytanks[MAX_TANKS];
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struct forf_lexical_env lenv[LENV_SIZE];
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int order[MAX_TANKS];
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int ntanks = 0;
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int i;
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lenv[0].name = NULL;
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lenv[0].proc = NULL;
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if ((! forf_extend_lexical_env(lenv, forf_base_lexical_env, LENV_SIZE)) ||
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(! forf_extend_lexical_env(lenv, tanks_lenv_addons, LENV_SIZE))) {
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fprintf(stderr, "Unable to initialize lexical environment.\n");
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return 1;
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}
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/* We only need slightly random numbers */
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{
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char *s = getenv("SEED");
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int seed = atoi(s?s:"");
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if (! seed) {
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seed = getpid();
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}
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srand(seed);
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fprintf(stdout, "// SEED=%d\n", seed);
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}
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/* Shuffle the order we read things in */
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for (i = 0; i < MAX_TANKS; i += 1) {
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order[i] = i;
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}
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for (i = 0; i < argc - 1; i += 1) {
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int j = rand() % (argc - 1);
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int n = order[j];
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order[j] = order[i];
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order[i] = n;
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}
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/* Every argument is a tank directory */
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for (i = 0; i < argc - 1; i += 1) {
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if (ft_read_tank(&myftanks[ntanks],
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&mytanks[ntanks],
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lenv,
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argv[order[i] + 1])) {
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ntanks += 1;
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}
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}
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if (0 == ntanks) {
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fprintf(stderr, "No usable tanks!\n");
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return 1;
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}
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/* Calculate the size of the game board */
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{
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int x, y;
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for (x = 1; x * x < ntanks; x += 1);
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y = ntanks / x;
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if (ntanks % x) {
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y += 1;
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}
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game.size[0] = x * SPACING;
|
||||
game.size[1] = y * SPACING;
|
||||
}
|
||||
|
||||
/* Position tanks */
|
||||
{
|
||||
int x = SPACING/2;
|
||||
int y = SPACING/2;
|
||||
|
||||
for (i = 0; i < ntanks; i += 1) {
|
||||
mytanks[i].position[0] = (float)x;
|
||||
mytanks[i].position[1] = (float)y;
|
||||
mytanks[i].angle = deg2rad(rand() % 360);
|
||||
mytanks[i].turret.current = deg2rad(rand() % 360);
|
||||
mytanks[i].turret.desired = mytanks[i].turret.current;
|
||||
|
||||
x += SPACING;
|
||||
if (x > game.size[0]) {
|
||||
x %= (int)(game.size[0]);
|
||||
y += SPACING;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
print_header(stdout, &game, myftanks, mytanks, ntanks);
|
||||
print_rounds(stdout, &game, mytanks, ntanks);
|
||||
print_footer(stdout);
|
||||
|
||||
/* Output standings to fd3.
|
||||
*
|
||||
* fd 3 is normally closed, so this won't normally do anything.
|
||||
* To output to fd3 from the shell, you'll need to do something like this:
|
||||
*
|
||||
* ./run-tanks 3>standing
|
||||
**/
|
||||
{
|
||||
FILE *standings = fdopen(3, "w");
|
||||
|
||||
if (standings) {
|
||||
print_standings(standings, myftanks, mytanks, ntanks);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue