From e95b3cb3e1a054a9d6bd766d4904e569ac2b2a68 Mon Sep 17 00:00:00 2001
From: Jon Bergli Heier <snakebite@jvnv.net>
Date: Sun, 3 Jul 2011 15:26:40 +0200
Subject: Added terrain objects.

---
 terrain_loader.cpp | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 55 insertions(+), 1 deletion(-)

(limited to 'terrain_loader.cpp')

diff --git a/terrain_loader.cpp b/terrain_loader.cpp
index ef61e1e..5a4aec7 100644
--- a/terrain_loader.cpp
+++ b/terrain_loader.cpp
@@ -11,6 +11,7 @@ TerrainLoader::TerrainLoader(fs::path root) {
 
 TerrainLoader::~TerrainLoader() {
 }
+
 float *TerrainLoader::get_chunk(int64_t x, int64_t y, unsigned int width, unsigned int height) {
 	if(has_chunk(x, y))
 		return load_chunk(x, y, width, height);
@@ -47,8 +48,9 @@ float *TerrainLoader::load_chunk(int64_t x, int64_t y, unsigned int width, unsig
 	is.read((char*)&h, sizeof(h));
 
 	// TODO: should return w and h, fix calling code
-	if(w != width || h != height)
+	if(w != width || h != height) {
 		throw std::runtime_error("width or height doesn't match");
+	}
 
 	float *chunk = new float[width*height];
 	is.read((char*)chunk, width*height*sizeof(float));
@@ -56,3 +58,55 @@ float *TerrainLoader::load_chunk(int64_t x, int64_t y, unsigned int width, unsig
 
 	return chunk;
 }
+
+std::list<Vector3> TerrainLoader::get_objects(int64_t x, int64_t y) {
+	std::list<Vector3> objects;
+
+	if(has_objects(x, y))
+		objects = load_objects(x, y);
+
+	return objects;
+}
+
+bool TerrainLoader::has_objects(int64_t x, int64_t y) {
+	return fs::exists(root / (boost::format("%d.%d.objs") % x % y).str());
+}
+
+void TerrainLoader::save_objects(std::list<Vector3>& objects, int64_t x, int64_t y) {
+	fs::path p = root / (boost::format("%d.%d.objs") % x % y).str();
+	fs::ofstream os(p, std::ios::out | std::ios::binary);
+
+	uint32_t count = objects.size();
+	os.write((const char*)&count, sizeof(count));
+
+	for(std::list<Vector3>::iterator it = objects.begin(); it != objects.end(); it++) {
+		Vector3& obj = *it;
+		os.write((const char*)&obj.x, sizeof(obj.x));
+		os.write((const char*)&obj.y, sizeof(obj.y));
+		os.write((const char*)&obj.z, sizeof(obj.z));
+	}
+	os.close();
+}
+
+std::list<Vector3> TerrainLoader::load_objects(int64_t x, int64_t y) {
+	fs::path p = root / (boost::format("%d.%d.objs") % x % y).str();
+	fs::ifstream is(p, std::ios::in | std::ios::binary);
+
+	std::list<Vector3> objects;
+
+	uint32_t count;
+	is.read((char*)&count, sizeof(count));
+
+	for(uint32_t i = 0; i < count; i++) {
+		Vector3 obj;
+
+		is.read((char*)&obj.x, sizeof(obj.x));
+		is.read((char*)&obj.y, sizeof(obj.y));
+		is.read((char*)&obj.z, sizeof(obj.z));
+
+		objects.push_back(obj);
+	}
+	is.close();
+
+	return objects;
+}
-- 
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