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/* SPDX-License-Identifier: MIT */
/*
 * konrmplugin.h
 *
 * Copyright (c) 2026 KonAki
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef KONRMPLUGIN_H
#define KONRMPLUGIN_H

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

/*** definition ***/

/* plugin commands of RPG Maker games (356 in MV, 357 in MZ), the way mzscript writes them. what a plugin does is its own JavaScript,
   which is never run, so each command a game uses is something you answer yourself, by name. you hand over a table of names and
   functions. a name with a NULL function is known and does nothing, for the ones that only dress up the original. a command that
   is not in the table does nothing too, but is counted, so you can see what a game still needs */

#define KON_RM_PLUGIN_ARGS 16
#define KON_RM_PLUGIN_MISSED 64

/* argv[0] is the command and argc counts it, the rest are what came after, apart by spaces in MV and by tabs in MZ (where the
   command is the plugin, a dot, then the command). they are only good while the function runs. return 1 when the script is to wait */
typedef int (*kon_rmPluginFn)(int argc, const char *const *argv, void *user);

typedef struct kon_rmPluginEntry {
	const char *name;
	kon_rmPluginFn fn;
} kon_rmPluginEntry_t;

typedef struct kon_rmPlugins {
	const kon_rmPluginEntry_t *entries;
	int count;
	void *user;
	struct {
		char name[48];
		int count;
	} missed[KON_RM_PLUGIN_MISSED];
	int missedCount; /* kinds written down in missed */
	int missedTotal; /* all of the commands that were not in the table */
} kon_rmPlugins_t;

void kon_rmPluginsInit(kon_rmPlugins_t *plugins, const kon_rmPluginEntry_t *entries, int count, void *user);

/* returns -1 when the code is not 356 or 357, else what the command's function said, or 0 */
int kon_rmPluginHost(kon_rmPlugins_t *plugins, int code, const char *text);

/* the commands that were not in the table, in the order they first came, 1 and the name and how often, or 0 past the last */
int kon_rmPluginMissed(const kon_rmPlugins_t *plugins, int index, const char **name, int *count);

#ifdef __cplusplus
}
#endif
#endif