Implementation of parsing for the map format (untested)

- Some stubs inserted for loading new-format scenario data
2014-12-05 00:50:00 -05:00
parent cec15c1cce
commit 4db81f1403
8 changed files with 221 additions and 5 deletions
--- a/osx/tools/map_parse.cpp
+++ b/osx/tools/map_parse.cpp
@@ -0,0 +1,109 @@
+//
+//  map_parse.cpp
+//  BoE
+//
+//  Created by Celtic Minstrel on 14-12-04.
+//
+//
+
+#include "map_parse.hpp"
+
+#include <fstream>
+#include <cctype>
+
+using namespace std;
+
+map_data load_map(fs::path path) {
+	map_data data;
+	ifstream fin(path.string());
+	int row = 0;
+	while(!fin.eof()) {
+		std::string line;
+		getline(fin, line);
+		int n = 0, col = 0;
+		eMapFeature curFeature = eMapFeature::NONE;
+		bool vehicle_owned;
+		for(char c : line) {
+			if(c == '#') break; // Found a comment
+			if(isdigit(c)) {
+				n *= 10;
+				n += c - '0';
+			} else if(isblank(c)) {
+				continue;
+			} else if(c == '^') {
+				data.addFeature(col, row, eMapFeature::ENTRANCE_NORTH);
+			} else if(c == '<') {
+				data.addFeature(col, row, eMapFeature::ENTRANCE_WEST);
+			} else if(c == 'v') {
+				data.addFeature(col, row, eMapFeature::ENTRANCE_SOUTH);
+			} else if(c == '>') {
+				data.addFeature(col, row, eMapFeature::ENTRANCE_EAST);
+			} else {
+				if(curFeature == eMapFeature::NONE)
+					data.set(col, row, n);
+				else {
+					if((curFeature == eMapFeature::BOAT || curFeature == eMapFeature::HORSE) && !vehicle_owned)
+						n *= -1;
+					data.addFeature(col, row, curFeature, n);
+				}
+				n = 0;
+				if(c == '*') {
+					curFeature = eMapFeature::WANDERING;
+				} else if(c == ':') {
+					curFeature = eMapFeature::SPECIAL_NODE;
+				} else if(c == '!') {
+					curFeature = eMapFeature::SIGN;
+				} else if(c == '@') {
+					curFeature = eMapFeature::TOWN;
+				} else if(c == '~') {
+					curFeature = eMapFeature::VEHICLE;
+				} else if(c == 'h' && curFeature == eMapFeature::VEHICLE) {
+					vehicle_owned = true;
+					curFeature = eMapFeature::HORSE;
+				} else if(c == 'H' && curFeature == eMapFeature::VEHICLE) {
+					vehicle_owned = false;
+					curFeature = eMapFeature::HORSE;
+				} else if(c == 'b' && curFeature == eMapFeature::VEHICLE) {
+					vehicle_owned = true;
+					curFeature = eMapFeature::BOAT;
+				} else if(c == 'B' && curFeature == eMapFeature::VEHICLE) {
+					vehicle_owned = false;
+					curFeature = eMapFeature::BOAT;
+				} else if(c == ',') {
+					col++;
+					curFeature = eMapFeature::NONE;
+				} else {
+					// TODO: This is an error!
+				}
+			}
+		}
+	}
+	return data;
+}
+
+void map_data::set(unsigned int x, unsigned int y, unsigned int val) {
+	// First make sure the location exists
+	if(y > grid.size())
+		grid.resize(y + 1);
+	if(x > grid[y].size())
+		grid[y].resize(x + 1);
+	grid[y][x] = val;
+}
+
+unsigned int map_data::get(unsigned int x, unsigned int y) {
+	if(y >= grid.size()) return 0;
+	if(x >= grid[y].size()) return 0;
+	return grid[y][x];
+}
+
+void map_data::addFeature(unsigned int x, unsigned int y, eMapFeature feature, int val) {
+	location loc(x,y);
+	features.insert({loc,{feature,val}});
+}
+
+bool loc_compare::operator()(location a, location b) const {
+	// This is just a lexicographical ordering.
+	if(a.x != b.x) return a.x < b.x;
+	if(a.y != b.y) return a.y < b.y;
+	return false;
+}