/*
 * Copyright (C) 2002-2007 The Warp Rogue Team
 * Part of the Warp Rogue Project
 *
 * This software is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License.
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY.
 *
 * See the license.txt file for more details.
 */

/*
 * Module Name: Talk
 * Description: -
 */

#include <stdarg.h>

#define Uses_Ui
#define Uses_Character
#define Uses_Perks
#define Uses_Util
#define Uses_Economy
#define Uses_Faction
#define Uses_Party
#define Uses_ProgramManager
#define Uses_Inventory
#define Uses_Script
#define Uses_DataFile
#include "mheader.h"

#include "talk.h"



/*
 * the dialogueue state
 */
static DIALOGUE_STATE	DialogueState;




/*
 * starts a dialogue
 */
void dialogue(CHARACTER *active_character, CHARACTER *passive_character)
{

	*character_active_character() =
	DialogueState.active_character =
		active_character;

	*character_self() =
	DialogueState.passive_character =
		passive_character;

	DialogueState.options = NULL;

	clear_string(DialogueState.text);

	if (character_has_flag(active_character, CF_CANNOT_SPEAK)) {

		message(SID_GAME, "You cannot speak.");

		return;
	}

	if (character_has_flag(passive_character, CF_CANNOT_SPEAK) ||
		is_empty_string(passive_character->script)) {

		message(SID_GAME, "No reply.");

		return;
	}

	script_load(DIR_NPCS, passive_character->script);
	script_set_data("TRIGGERED", SCRIPT_TRUE);
	script_set_data("SELF", SCRIPT_SELF_PTR);
	script_set_data("ACTIVE_CHARACTER", SCRIPT_ACTIVE_CHARACTER_PTR);
	script_execute();
}



/*
 * makes the passive character say something
 */
void dialogue_say(const char *fmt, ...)
{
	char str[STRING_BUFFER_SIZE];
	va_list vl;

	va_start(vl, fmt);
	vsprintf(str, fmt, vl);
	va_end(vl);

	strcat(DialogueState.text, str);
}



/*
 * adds a dialogue option
 */
void dialogue_add_option(const char *str)
{

	if (DialogueState.options == NULL) {

		DialogueState.options = list_new();
	}

	list_add(DialogueState.options, (char *)str);
}



/*
 * lets the active character choose a dialogue option
 */
const char * dialogue_choice(void)
{
	const char *chosen_option;

	DialogueState.menu = menu_create(DialogueState.options);

	command_bar_set(3, CM_UP, CM_DOWN, CM_OK);
	render_dialogue_screen(&DialogueState);
	update_screen();

	dialogue_screen_menu(DialogueState.menu);

	chosen_option = (const char *)list_data_at(DialogueState.menu->items,
		DialogueState.menu->highlighted);

	menu_free(DialogueState.menu);

	DialogueState.options = NULL;

	clear_string(DialogueState.text);

	return chosen_option;
}