54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/* SPDX-License-Identifier: MIT
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* Copyright (c) 2021 KikooDX
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* This file is part of
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* [Painfull Success CG](https://git.sr.ht/~kikoodx/painfull-success-cg),
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* which is MIT licensed. The MIT license requires this copyright notice to be
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* included in all copies and substantial portions of the software. */
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#include <gint/display.h>
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#include <stdint.h>
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#include "level.h"
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#include "tiles.h"
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#include "vec2.h"
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void level_draw(Level level) {
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/* Pixel position (where we draw). */
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uint16_t x = DRAW_OFFSET_X;
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uint16_t y = DRAW_OFFSET_Y;
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/* Cursor position. */
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uint8_t cx = 0;
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while (cx < LEVEL_WIDTH) {
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uint8_t cy = 0;
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while (cy < LEVEL_HEIGHT) {
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const tile_t tile = level.content[cy * LEVEL_WIDTH + cx];
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const int color = tile_color(tile);
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drect(x, y, x + TILE_SIZE - 1, y + TILE_SIZE - 1, color);
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y += TILE_SIZE;
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cy += 1;
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}
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y = DRAW_OFFSET_Y;
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x += TILE_SIZE;
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cx += 1;
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}
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}
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tile_t level_get_tile_at_px(Level level, Vec2 pos) {
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/* Out of bounds check. */
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if (pos.x < 0 || pos.y < 0)
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return OUT_OF_BOUNDS;
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/* Convert to unsigned integers. */
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uint8_t x = pos.x / TILE_SIZE;
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uint8_t y = pos.y / TILE_SIZE;
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/* Out of bounds check. */
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if (pos.x >= LEVEL_WIDTH || pos.y >= LEVEL_HEIGHT)
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return OUT_OF_BOUNDS;
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/* If everything is OK, get the tile and return it. */
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return level.content[x + y * LEVEL_WIDTH];
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}
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void level_set_tile_at_px(Level *level, Vec2 pos, tile_t tile) {
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/* Convert to unsigned integers. */
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uint8_t x = pos.x / TILE_SIZE;
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uint8_t y = pos.y / TILE_SIZE;
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level->content[x + y * LEVEL_WIDTH] = tile;
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}
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