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Map.h
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Map.h
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#pragma once
//
// Copyright (C) 2019 Pharap (@Pharap)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include <stdint.h>
#include "TileType.h"
class Map
{
private:
uint8_t width = 0;
uint8_t height = 0;
const TileType * data = nullptr;
// Calculates array index from coordinates
constexpr size_t getIndex(uint8_t x, uint8_t y) const
{
return ((y * width) + x);
}
public:
constexpr Map() = default;
constexpr Map(uint8_t width, uint8_t height, const TileType * mapData)
: width(width), height(height), data(mapData)
{
}
template< uint8_t width, uint8_t height >
constexpr Map(const TileType (&mapData)[height][width])
: width(width), height(height), data(&mapData[0][0])
{
}
constexpr uint8_t getWidth() const
{
return this->width;
}
constexpr uint8_t getHeight() const
{
return this->height;
}
TileType getTile(uint8_t x, uint8_t y) const
{
// If coordinate is out of bounds
if((x > this->width) || (y > this->height))
{
// Return 'void' tile
return TileType::Void;
}
// Calculate array index
const size_t index = this->getIndex(x, y);
// Get pointer to tile data
const TileType * tilePointer = &this->data[index];
// Read tile data from progmem
return readTileTypeFromProgmem(tilePointer);
}
TileType getTile(int16_t x, int16_t y) const
{
// If coordinate is out of bounds
if((x < 0) || (y < 0) || (x > this->width) || (y > this->height))
{
// Return 'void' tile
return TileType::Void;
}
// Calculate array index
const size_t index = this->getIndex(x, y);
// Get pointer to tile data
const TileType * tilePointer = &this->data[index];
// Read tile data from progmem
return readTileTypeFromProgmem(tilePointer);
}
};