From b160f8dfe7e3bf8176e3f9f64dc2d9a9868d7fce Mon Sep 17 00:00:00 2001
From: RealBadAngel <maciej.kasatkin@o2.pl>
Date: Sun, 28 Jun 2015 12:17:36 +0200
Subject: [PATCH] Minimap update

---
 minetest.conf.example   |  8 ++++++++
 src/defaultsettings.cpp |  1 +
 src/minimap.cpp         | 28 ++++++++++++++++++----------
 src/minimap.h           |  2 ++
 src/nodedef.cpp         |  3 ++-
 5 files changed, 31 insertions(+), 11 deletions(-)

diff --git a/minetest.conf.example b/minetest.conf.example
index d1f1de6fb..6aaae2b14 100644
--- a/minetest.conf.example
+++ b/minetest.conf.example
@@ -266,6 +266,14 @@
 #enable_mesh_cache = true
 #    Enables caching of facedir rotated meshes
 
+#enable_minimap = true
+#    Enables minimap
+#minimap_shape_round = true
+#    true - round shape, false - square
+#minimap_double_scan_height = true
+#    true = 256, false = 128
+#    useable to make minimap smoother on slower machines
+
 #    The time in seconds it takes between repeated
 #    right clicks when holding the right mouse button.
 #repeat_rightclick_time = 0.25
diff --git a/src/defaultsettings.cpp b/src/defaultsettings.cpp
index 73e36da98..ecd89242b 100644
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@@ -179,6 +179,7 @@ void set_default_settings(Settings *settings)
 
 	settings->setDefault("enable_minimap", "true");
 	settings->setDefault("minimap_shape_round", "true");
+	settings->setDefault("minimap_double_scan_height", "true");
 
 	settings->setDefault("curl_timeout", "5000");
 	settings->setDefault("curl_parallel_limit", "8");
diff --git a/src/minimap.cpp b/src/minimap.cpp
index 753468c32..9adeb84bc 100644
--- a/src/minimap.cpp
+++ b/src/minimap.cpp
@@ -164,6 +164,15 @@ void *MinimapUpdateThread::Thread()
 	return NULL;
 }
 
+MinimapUpdateThread::~MinimapUpdateThread()
+{
+	for (std::map<v3s16, MinimapMapblock *>::iterator
+			it = m_blocks_cache.begin();
+			it != m_blocks_cache.end(); it++) {
+		delete it->second;
+	}
+}
+
 MinimapPixel *MinimapUpdateThread::getMinimapPixel (v3s16 pos, s16 height, s16 &pixel_height)
 {
 	pixel_height = height - MAP_BLOCKSIZE;
@@ -236,6 +245,12 @@ Mapper::Mapper(IrrlichtDevice *device, Client *client)
 	this->shdrsrc = client->getShaderSource();
 
 	m_enable_shaders = g_settings->getBool("enable_shaders");
+	m_enable_shaders = g_settings->getBool("enable_shaders");
+	if (g_settings->getBool("minimap_double_scan_height")) {
+		m_surface_mode_scan_height = 256;
+	} else {
+		m_surface_mode_scan_height = 128;
+	}
 	data = new MinimapData;
 	data->mode = MINIMAP_MODE_OFF;
 	data->radar = false;
@@ -265,13 +280,6 @@ Mapper::~Mapper()
 {
 	m_minimap_update_thread->Stop();
 	m_minimap_update_thread->Wait();
-
-	for (std::map<v3s16, MinimapMapblock *>::iterator
-			it = m_minimap_update_thread->m_blocks_cache.begin();
-			it != m_minimap_update_thread->m_blocks_cache.end(); it++){
-		delete it->second;
-	}
-
 	m_meshbuffer->drop();
 	data->minimap_mask_round->drop();
 	data->minimap_mask_square->drop();
@@ -303,9 +311,9 @@ void Mapper::setMinimapMode(MinimapMode mode)
 {
 	static const u16 modeDefs[7 * 3] = {
 		0, 0, 0,
-		0, 256, 256,
-		0, 256, 128,
-		0, 256, 64,
+		0, m_surface_mode_scan_height, 256,
+		0, m_surface_mode_scan_height, 128,
+		0, m_surface_mode_scan_height, 64,
 		1, 32, 128,
 		1, 32, 64,
 		1, 32, 32};
diff --git a/src/minimap.h b/src/minimap.h
index 1794da190..220c3add0 100644
--- a/src/minimap.h
+++ b/src/minimap.h
@@ -124,6 +124,7 @@ public:
 		this->driver = device->getVideoDriver();
 		this->tsrc = client->getTextureSource();
 	}
+	~MinimapUpdateThread();
 	void getMap (v3s16 pos, s16 size, s16 height, bool radar);
 	MinimapPixel *getMinimapPixel (v3s16 pos, s16 height, s16 &pixel_height);
 	s16 getAirCount (v3s16 pos, s16 height);
@@ -148,6 +149,7 @@ private:
 	video::ITexture *minimap_texture;
 	scene::SMeshBuffer *m_meshbuffer;
 	bool m_enable_shaders;
+	u16 m_surface_mode_scan_height;
 	JMutex m_mutex;
 
 public:
diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index ba1ca2c65..e392f477a 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -787,6 +787,7 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef,
 	bool enable_bumpmapping        = g_settings->getBool("enable_bumpmapping");
 	bool enable_parallax_occlusion = g_settings->getBool("enable_parallax_occlusion");
 	bool enable_mesh_cache         = g_settings->getBool("enable_mesh_cache");
+	bool enable_minimap            = g_settings->getBool("enable_minimap");
 
 	bool use_normal_texture = enable_shaders &&
 		(enable_bumpmapping || enable_parallax_occlusion);
@@ -797,7 +798,7 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef,
 		ContentFeatures *f = &m_content_features[i];
 
 		// minimap pixel color - the average color of a texture
-		if (f->tiledef[0].name != "")
+		if (enable_minimap && f->tiledef[0].name != "")
 			f->minimap_color = tsrc->getTextureAverageColor(f->tiledef[0].name);
 
 		// Figure out the actual tiles to use
-- 
2.25.1