TextGame/script.h at master · anthonyc-r/TextGame · GitHub

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/*
Copyright 2017-2020 Anthony Cohn-Richardby

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of 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 of
MERCHANTABILITY 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 License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef _SCRIPT_H
#define _SCRIPT_H
#include <stdio.h>
#include <stdbool.h>

#define ACTION_ATTACK "attack"

struct mem;
struct ent;
struct ctr;

enum script_status {
	TURN_END, TURN_CONTINUE, NO_MATCH
};

struct script_line {
	char *op;
	int argc;
	char **argv;
};

struct scrpt_state_location {
	int line_number;
	char *identifier;
};

// TODO: - Global actions
struct action {
	int line_number;
	char *identifier;
	char *key;
};

struct reaction {
	int line_number;
	char *identifier;
	char *key;
};

struct scrpt {
	int current_line;
	int current_state;
	int state_count;
	struct scrpt_state_location *state_locations;
	int line_count;
	struct script_line *lines;
	struct mem *memory;

	int act_count;
	struct action *actions;
	int react_count;
	struct reaction *reactions;
};

struct scrpt *script_init(char *fname);
struct script_line script_extract_line(char *string);
void script_reset(struct scrpt *script);
enum script_status script_perform_line(struct scrpt *script, struct mem *stack, struct script_line *line);

void script_perform_entity(struct scrpt *script, struct ent *entity);
void script_perform_creature(struct scrpt *script, struct ctr *creature);
enum script_status script_perform_line_creature(struct scrpt *script, struct ctr *creature, struct script_line *line);
enum script_status script_perform_line_entity(struct scrpt *script, struct ent *entity, struct script_line *line);

struct reaction *script_get_reaction(struct scrpt *script, char *identifier, char *key);
struct action *script_get_action(struct scrpt *script, char *identifier);
bool script_entity_act_on_creature(struct ent *entity, struct ctr *creature, char *action);

bool begins_with(char *s1, char *s2);
char *get_operator(char *s1);
char *get_operand(char *s1);
void script_describe(struct scrpt *script);
#endif