From 8396275bf80a20998ef34db74708c431bdec2f59 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miroslav=20Bend=C3=ADk?= <miroslav.bendik@gmail.com>
Date: Sat, 25 Aug 2012 16:29:41 +0200
Subject: [PATCH] Implemented rendering of names.

---
 CMakeLists.txt    |  4 +++-
 TileGenerator.cpp | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 TileGenerator.h   |  1 +
 3 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d355230..8de7704 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,13 +25,14 @@ find_package_handle_standard_args(LibSqlite3  DEFAULT_MSG LIBSQLITE3_LIBRARY LIB
 
 mark_as_advanced(LIBSQLITE3_INCLUDE_DIR LIBSQLITE3_LIBRARY )
 
-
+find_package(Boost COMPONENTS filesystem)
 
 include_directories(
 	"${PROJECT_BINARY_DIR}"
 	"${CMAKE_CURRENT_SOURCE_DIR}"
 	"${CMAKE_CURRENT_BINARY_DIR}"
 	${LIBSQLITE3_INCLUDE_DIRS}
+	${Boost_INCLUDE_DIRS}
 )
 
 set(mapper_HDRS
@@ -53,6 +54,7 @@ add_executable(minetest_mapper
 target_link_libraries(
 	minetest_mapper
 	${LIBSQLITE3_LIBRARIES}
+	${Boost_LIBRARIES}
 	gd
 	z
 )
diff --git a/TileGenerator.cpp b/TileGenerator.cpp
index cf90a85..559baed 100644
--- a/TileGenerator.cpp
+++ b/TileGenerator.cpp
@@ -14,6 +14,7 @@
 #include <iostream>
 #include <sstream>
 #include <zlib.h>
+#include <boost/filesystem.hpp>
 #include "TileGenerator.h"
 
 using namespace std;
@@ -241,6 +242,9 @@ void TileGenerator::generate(const std::string &input, const std::string &output
 	if (m_drawOrigin) {
 		renderOrigin();
 	}
+	if (m_drawPlayers) {
+		renderPlayers(input);
+	}
 	writeImage(output);
 }
 
@@ -540,6 +544,48 @@ void TileGenerator::renderOrigin()
 	gdImageArc(m_image, imageX, imageY, 12, 12, 0, 360, rgb2int(m_originColor.r, m_originColor.g, m_originColor.b));
 }
 
+void TileGenerator::renderPlayers(const std::string &inputPath)
+{
+	int color = rgb2int(m_playerColor.r, m_playerColor.g, m_playerColor.b);
+
+	string playersPath = inputPath + "players";
+	boost::filesystem::path path(playersPath.c_str());
+	boost::filesystem::directory_iterator end_iter;
+	boost::filesystem::directory_iterator iter(path);
+	for (; iter != end_iter; ++iter) {
+		if (!boost::filesystem::is_directory(iter->status())) {
+			string path = iter->path().string();
+
+			ifstream in;
+			in.open(path.c_str(), ifstream::in);
+			string buffer;
+			string name;
+			string position;
+			while (getline(in, buffer)) {
+				if (buffer.find("name = ") == 0) {
+					name = buffer.substr(7);
+				}
+				else if (buffer.find("position = ") == 0) {
+					position = buffer.substr(12, buffer.length() - 13);
+				}
+			}
+			double x, y, z;
+			char comma;
+			istringstream positionStream(position, istringstream::in);
+			positionStream >> x;
+			positionStream >> comma;
+			positionStream >> y;
+			positionStream >> comma;
+			positionStream >> z;
+			int imageX = x / 10 - m_xMin * 16 + m_border;
+			int imageY = m_mapHeight - (z / 10 - m_zMin * 16) + m_border;
+
+			gdImageArc(m_image, imageX, imageY, 5, 5, 0, 360, color);
+			gdImageString(m_image, gdFontGetMediumBold(), imageX + 2, imageY + 2, reinterpret_cast<unsigned char *>(const_cast<char *>(name.c_str())), color);
+		}
+	}
+}
+
 inline std::list<int> TileGenerator::getZValueList() const
 {
 	std::list<int> zlist;
diff --git a/TileGenerator.h b/TileGenerator.h
index c5163ff..6a5ce29 100644
--- a/TileGenerator.h
+++ b/TileGenerator.h
@@ -99,6 +99,7 @@ private:
 	void renderShading(int zPos);
 	void renderScale();
 	void renderOrigin();
+	void renderPlayers(const std::string &inputPath);
 	void writeImage(const std::string &output);
 	int getImageX(int val) const;
 	int getImageY(int val) const;