Implement a very simple map file format for further testing

resources/map/test.map

@@ -0,0 +1,104 @@
+32 32 2
+
+G 0 grass
+< 0 road_left
+> 0 road_right
+
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+11111111111111111111111111111111
+
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+GGGGGGGGGGG<>GGGGGGGGGGGGGGGGGGG
+
+................................
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src/model/Map.cpp

@@ -26,6 +26,10 @@
 
 #include "Map.hpp"
 
+#include <cstdio>
+#include <cstdlib>
+#include <fstream>
+
 
 namespace RPGEdit {
 
@@ -85,32 +89,74 @@ void Map::finishEntityTransition(Entity *entity) {
 }
 
 std::unique_ptr<Map> Map::load(__attribute__((unused)) const std::string &name) {
-	std::unique_ptr<Map> map(new Map(16, 16, 2));
+	std::string filename = "../resources/map/" + name + ".map";
 
-	map->tileset.emplace_back("dirt", 0);
+	std::ifstream file;
-	map->tileset.emplace_back("horizontal_bar", 0);
-	map->tileset.emplace_back("horizontal_bar", 2);
 
-	for (int i = 0; i < 16; i++) {
+	file.exceptions(std::ifstream::failbit | std::ifstream::badbit);
-		for (int j = 0; j < 16; j++) {
+	file.open(filename.c_str());
-			if (4 <= i && i < 12 && 4 <= j && j < 12) {
-				map->setTileAt(0, Position<int>{i, j}, 1);
-				map->setCollisionAt(Position<int>{i, j}, CollisionType::EMPTY);
-			}
-			else {
-				map->setTileAt(0, Position<int>{i, j}, 0);
-			}
 
-			if (4 <= i && i < 12 && j == 7)
+	std::string line;
-				map->setTileAt(1, Position<int>{i, j}, 3);
+
-			else if (4 <= i && i < 12 && j == 8)
+	std::getline(file, line);
-				map->setTileAt(1, Position<int>{i, j}, 2);
+	size_t w, h, layers;
-			else
+	if (std::sscanf(line.c_str(), "%zu %zu %zu", &w, &h, &layers) != 3)
-				map->setTileAt(1, Position<int>{i, j}, 0);
+		throw std::invalid_argument("invalid map file");
+
+	std::unique_ptr<Map> map(new Map(w, h, layers));
+
+	std::getline(file, line);
+	if (line.length())
+		throw std::invalid_argument("invalid map file");
+
+	size_t n = 1;
+	std::unordered_map<char, size_t> tileset;
+
+	for (std::getline(file, line); line.length(); std::getline(file, line)) {
+		char c;
+		unsigned rot;
+		char *tile = nullptr;
+
+		if (std::sscanf(line.c_str(), "%c %u %ms", &c, &rot, &tile) != 3) {
+			std::free(tile);
+			throw std::invalid_argument("invalid map file");
+		}
+
+		tileset.emplace(c, n++);
+		map->tileset.emplace_back(tile, rot);
+		std::free(tile);
+	}
+
+	for (size_t i = 0; i < h; i++) {
+		std::getline(file, line);
+		if (line.length() != w)
+			throw std::invalid_argument("invalid map file");
+
+		for (size_t j = 0; j < w; j++) {
+			if (line[j] == '1')
+				map->setCollisionAt(Position<int>{int(j), int(i)}, CollisionType::EMPTY);
+			else if (line[j] != '0')
+				throw std::invalid_argument("invalid map file");
 		}
 	}
 
-	map->addEntity("square", Model::Position<int>{6, 6});
+	for (size_t layer = 0; layer < layers; layer++) {
+		std::getline(file, line);
+		if (line.length())
+			throw std::invalid_argument("invalid map file");
+
+		for (size_t i = 0; i < h; i++) {
+			std::getline(file, line);
+			if (line.length() != w)
+				throw std::invalid_argument("invalid map file");
+
+			for (size_t j = 0; j < w; j++) {
+				auto it = tileset.find(line[j]);
+				if (it != tileset.end())
+					map->setTileAt(layer, Position<int>{int(j), int(i)}, it->second);
+			}
+		}
+	}
 
 	return map;
 }