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/* SPDX-License-Identifier: MIT */
/*
* kontile.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 KONTILE_H
#define KONTILE_H
#include "konsofren.h"
/*** definition ***/
/* tiles holds columns * rows ids, 0 is empty and n draws tile n - 1 of the sheet, counted left to right then top to bottom */
typedef struct kon_tilemap {
int columns, rows;
int tileWidth, tileHeight;
uint16_t *tiles;
const kon_image *sheet;
int sheetColumns; /* 0 works it out from the sheet width */
} kon_tilemap_t;
/* 0 outside the map */
uint16_t kon_tilemapAt(const kon_tilemap_t *map, int column, int row);
/* does nothing outside the map */
void kon_tilemapSet(kon_tilemap_t *map, int column, int row, uint16_t tile);
/* works for negative positions too, returns 0 if the position is outside the map */
int kon_tilemapPixelToTile(const kon_tilemap_t *map, int x, int y, int *column, int *row);
/* solid is indexed by tile id, non-zero means solid, ids past solidCount are not solid. solid[0] decides what the empty tile
and everything outside the map counts as. returns 1 if any tile touching the box x, y, width, height (in map pixels) is solid */
int kon_tilemapBoxHits(const kon_tilemap_t *map, int x, int y, int width, int height, const uint8_t *solid, int solidCount);
/* cameraX, cameraY is the map pixel shown at the top left of fb */
void kon_drawTilemap(kon_framebuffer_t *fb, const kon_tilemap_t *map, int cameraX, int cameraY);
#endif
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