Move client-specific files to 'src/client' (#7902)

Update Android.mk
Remove 'src/client' from include_directories

1 files changed, 624 insertions, 0 deletions

diff --git a/src/client/minimap.cpp b/src/client/minimap.cpp
new file mode 100644
index 000000000..4d83c088a
--- /dev/null
+++ b/src/client/minimap.cpp
@@ -0,0 +1,624 @@
+/*
+Minetest
+Copyright (C) 2010-2015 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "minimap.h"
+#include <cmath>
+#include "client.h"
+#include "clientmap.h"
+#include "settings.h"
+#include "shader.h"
+#include "mapblock.h"
+#include "client/renderingengine.h"
+
+
+////
+//// MinimapUpdateThread
+////
+
+MinimapUpdateThread::~MinimapUpdateThread()
+{
+	for (auto &it : m_blocks_cache) {
+		delete it.second;
+	}
+
+	for (auto &q : m_update_queue) {
+		delete q.data;
+	}
+}
+
+bool MinimapUpdateThread::pushBlockUpdate(v3s16 pos, MinimapMapblock *data)
+{
+	MutexAutoLock lock(m_queue_mutex);
+
+	// Find if block is already in queue.
+	// If it is, update the data and quit.
+	for (QueuedMinimapUpdate &q : m_update_queue) {
+		if (q.pos == pos) {
+			delete q.data;
+			q.data = data;
+			return false;
+		}
+	}
+
+	// Add the block
+	QueuedMinimapUpdate q;
+	q.pos  = pos;
+	q.data = data;
+	m_update_queue.push_back(q);
+
+	return true;
+}
+
+bool MinimapUpdateThread::popBlockUpdate(QueuedMinimapUpdate *update)
+{
+	MutexAutoLock lock(m_queue_mutex);
+
+	if (m_update_queue.empty())
+		return false;
+
+	*update = m_update_queue.front();
+	m_update_queue.pop_front();
+
+	return true;
+}
+
+void MinimapUpdateThread::enqueueBlock(v3s16 pos, MinimapMapblock *data)
+{
+	pushBlockUpdate(pos, data);
+	deferUpdate();
+}
+
+
+void MinimapUpdateThread::doUpdate()
+{
+	QueuedMinimapUpdate update;
+
+	while (popBlockUpdate(&update)) {
+		if (update.data) {
+			// Swap two values in the map using single lookup
+			std::pair<std::map<v3s16, MinimapMapblock*>::iterator, bool>
+			    result = m_blocks_cache.insert(std::make_pair(update.pos, update.data));
+			if (!result.second) {
+				delete result.first->second;
+				result.first->second = update.data;
+			}
+		} else {
+			std::map<v3s16, MinimapMapblock *>::iterator it;
+			it = m_blocks_cache.find(update.pos);
+			if (it != m_blocks_cache.end()) {
+				delete it->second;
+				m_blocks_cache.erase(it);
+			}
+		}
+	}
+
+	if (data->map_invalidated && data->mode != MINIMAP_MODE_OFF) {
+		getMap(data->pos, data->map_size, data->scan_height);
+		data->map_invalidated = false;
+	}
+}
+
+void MinimapUpdateThread::getMap(v3s16 pos, s16 size, s16 height)
+{
+	v3s16 pos_min(pos.X - size / 2, pos.Y - height / 2, pos.Z - size / 2);
+	v3s16 pos_max(pos_min.X + size - 1, pos.Y + height / 2, pos_min.Z + size - 1);
+	v3s16 blockpos_min = getNodeBlockPos(pos_min);
+	v3s16 blockpos_max = getNodeBlockPos(pos_max);
+
+// clear the map
+	for (int z = 0; z < size; z++)
+	for (int x = 0; x < size; x++) {
+		MinimapPixel &mmpixel = data->minimap_scan[x + z * size];
+		mmpixel.air_count = 0;
+		mmpixel.height = 0;
+		mmpixel.n = MapNode(CONTENT_AIR);
+	}
+
+// draw the map
+	v3s16 blockpos;
+	for (blockpos.Z = blockpos_min.Z; blockpos.Z <= blockpos_max.Z; ++blockpos.Z)
+	for (blockpos.Y = blockpos_min.Y; blockpos.Y <= blockpos_max.Y; ++blockpos.Y)
+	for (blockpos.X = blockpos_min.X; blockpos.X <= blockpos_max.X; ++blockpos.X) {
+		std::map<v3s16, MinimapMapblock *>::const_iterator pblock =
+			m_blocks_cache.find(blockpos);
+		if (pblock == m_blocks_cache.end())
+			continue;
+		const MinimapMapblock &block = *pblock->second;
+
+		v3s16 block_node_min(blockpos * MAP_BLOCKSIZE);
+		v3s16 block_node_max(block_node_min + MAP_BLOCKSIZE - 1);
+		// clip
+		v3s16 range_min = componentwise_max(block_node_min, pos_min);
+		v3s16 range_max = componentwise_min(block_node_max, pos_max);
+
+		v3s16 pos;
+		pos.Y = range_min.Y;
+		for (pos.Z = range_min.Z; pos.Z <= range_max.Z; ++pos.Z)
+		for (pos.X = range_min.X; pos.X <= range_max.X; ++pos.X) {
+			v3s16 inblock_pos = pos - block_node_min;
+			const MinimapPixel &in_pixel =
+				block.data[inblock_pos.Z * MAP_BLOCKSIZE + inblock_pos.X];
+
+			v3s16 inmap_pos = pos - pos_min;
+			MinimapPixel &out_pixel =
+				data->minimap_scan[inmap_pos.X + inmap_pos.Z * size];
+
+			out_pixel.air_count += in_pixel.air_count;
+			if (in_pixel.n.param0 != CONTENT_AIR) {
+				out_pixel.n = in_pixel.n;
+				out_pixel.height = inmap_pos.Y + in_pixel.height;
+			}
+		}
+	}
+}
+
+////
+//// Mapper
+////
+
+Minimap::Minimap(Client *client)
+{
+	this->client    = client;
+	this->driver    = RenderingEngine::get_video_driver();
+	this->m_tsrc    = client->getTextureSource();
+	this->m_shdrsrc = client->getShaderSource();
+	this->m_ndef    = client->getNodeDefManager();
+
+	m_angle = 0.f;
+
+	// Initialize static settings
+	m_enable_shaders = g_settings->getBool("enable_shaders");
+	m_surface_mode_scan_height =
+		g_settings->getBool("minimap_double_scan_height") ? 256 : 128;
+
+	// Initialize minimap data
+	data = new MinimapData;
+	data->mode              = MINIMAP_MODE_OFF;
+	data->is_radar          = false;
+	data->map_invalidated   = true;
+	data->texture           = NULL;
+	data->heightmap_texture = NULL;
+	data->minimap_shape_round = g_settings->getBool("minimap_shape_round");
+
+	// Get round minimap textures
+	data->minimap_mask_round = driver->createImage(
+		m_tsrc->getTexture("minimap_mask_round.png"),
+		core::position2d<s32>(0, 0),
+		core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
+	data->minimap_overlay_round = m_tsrc->getTexture("minimap_overlay_round.png");
+
+	// Get square minimap textures
+	data->minimap_mask_square = driver->createImage(
+		m_tsrc->getTexture("minimap_mask_square.png"),
+		core::position2d<s32>(0, 0),
+		core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
+	data->minimap_overlay_square = m_tsrc->getTexture("minimap_overlay_square.png");
+
+	// Create player marker texture
+	data->player_marker = m_tsrc->getTexture("player_marker.png");
+	// Create object marker texture
+	data->object_marker_red = m_tsrc->getTexture("object_marker_red.png");
+
+	// Create mesh buffer for minimap
+	m_meshbuffer = getMinimapMeshBuffer();
+
+	// Initialize and start thread
+	m_minimap_update_thread = new MinimapUpdateThread();
+	m_minimap_update_thread->data = data;
+	m_minimap_update_thread->start();
+}
+
+Minimap::~Minimap()
+{
+	m_minimap_update_thread->stop();
+	m_minimap_update_thread->wait();
+
+	m_meshbuffer->drop();
+
+	data->minimap_mask_round->drop();
+	data->minimap_mask_square->drop();
+
+	driver->removeTexture(data->texture);
+	driver->removeTexture(data->heightmap_texture);
+	driver->removeTexture(data->minimap_overlay_round);
+	driver->removeTexture(data->minimap_overlay_square);
+	driver->removeTexture(data->object_marker_red);
+
+	delete data;
+	delete m_minimap_update_thread;
+}
+
+void Minimap::addBlock(v3s16 pos, MinimapMapblock *data)
+{
+	m_minimap_update_thread->enqueueBlock(pos, data);
+}
+
+void Minimap::toggleMinimapShape()
+{
+	MutexAutoLock lock(m_mutex);
+
+	data->minimap_shape_round = !data->minimap_shape_round;
+	g_settings->setBool("minimap_shape_round", data->minimap_shape_round);
+	m_minimap_update_thread->deferUpdate();
+}
+
+void Minimap::setMinimapShape(MinimapShape shape)
+{
+	MutexAutoLock lock(m_mutex);
+
+	if (shape == MINIMAP_SHAPE_SQUARE)
+		data->minimap_shape_round = false;
+	else if (shape == MINIMAP_SHAPE_ROUND)
+		data->minimap_shape_round = true;
+
+	g_settings->setBool("minimap_shape_round", data->minimap_shape_round);
+	m_minimap_update_thread->deferUpdate();
+}
+
+MinimapShape Minimap::getMinimapShape()
+{
+	if (data->minimap_shape_round) {
+		return MINIMAP_SHAPE_ROUND;
+	}
+
+	return MINIMAP_SHAPE_SQUARE;
+}
+
+void Minimap::setMinimapMode(MinimapMode mode)
+{
+	static const MinimapModeDef modedefs[MINIMAP_MODE_COUNT] = {
+		{false, 0, 0},
+		{false, m_surface_mode_scan_height, 256},
+		{false, m_surface_mode_scan_height, 128},
+		{false, m_surface_mode_scan_height, 64},
+		{true, 32, 128},
+		{true, 32, 64},
+		{true, 32, 32}
+	};
+
+	if (mode >= MINIMAP_MODE_COUNT)
+		return;
+
+	MutexAutoLock lock(m_mutex);
+
+	data->is_radar    = modedefs[mode].is_radar;
+	data->scan_height = modedefs[mode].scan_height;
+	data->map_size    = modedefs[mode].map_size;
+	data->mode        = mode;
+
+	m_minimap_update_thread->deferUpdate();
+}
+
+void Minimap::setPos(v3s16 pos)
+{
+	bool do_update = false;
+
+	{
+		MutexAutoLock lock(m_mutex);
+
+		if (pos != data->old_pos) {
+			data->old_pos = data->pos;
+			data->pos = pos;
+			do_update = true;
+		}
+	}
+
+	if (do_update)
+		m_minimap_update_thread->deferUpdate();
+}
+
+void Minimap::setAngle(f32 angle)
+{
+	m_angle = angle;
+}
+
+void Minimap::blitMinimapPixelsToImageRadar(video::IImage *map_image)
+{
+	video::SColor c(240, 0, 0, 0);
+	for (s16 x = 0; x < data->map_size; x++)
+	for (s16 z = 0; z < data->map_size; z++) {
+		MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
+
+		if (mmpixel->air_count > 0)
+			c.setGreen(core::clamp(core::round32(32 + mmpixel->air_count * 8), 0, 255));
+		else
+			c.setGreen(0);
+
+		map_image->setPixel(x, data->map_size - z - 1, c);
+	}
+}
+
+void Minimap::blitMinimapPixelsToImageSurface(
+	video::IImage *map_image, video::IImage *heightmap_image)
+{
+	// This variable creation/destruction has a 1% cost on rendering minimap
+	video::SColor tilecolor;
+	for (s16 x = 0; x < data->map_size; x++)
+	for (s16 z = 0; z < data->map_size; z++) {
+		MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
+
+		const ContentFeatures &f = m_ndef->get(mmpixel->n);
+		const TileDef *tile = &f.tiledef[0];
+
+		// Color of the 0th tile (mostly this is the topmost)
+		if(tile->has_color)
+			tilecolor = tile->color;
+		else
+			mmpixel->n.getColor(f, &tilecolor);
+
+		tilecolor.setRed(tilecolor.getRed() * f.minimap_color.getRed() / 255);
+		tilecolor.setGreen(tilecolor.getGreen() * f.minimap_color.getGreen() / 255);
+		tilecolor.setBlue(tilecolor.getBlue() * f.minimap_color.getBlue() / 255);
+		tilecolor.setAlpha(240);
+
+		map_image->setPixel(x, data->map_size - z - 1, tilecolor);
+
+		u32 h = mmpixel->height;
+		heightmap_image->setPixel(x,data->map_size - z - 1,
+			video::SColor(255, h, h, h));
+	}
+}
+
+video::ITexture *Minimap::getMinimapTexture()
+{
+	// update minimap textures when new scan is ready
+	if (data->map_invalidated)
+		return data->texture;
+
+	// create minimap and heightmap images in memory
+	core::dimension2d<u32> dim(data->map_size, data->map_size);
+	video::IImage *map_image       = driver->createImage(video::ECF_A8R8G8B8, dim);
+	video::IImage *heightmap_image = driver->createImage(video::ECF_A8R8G8B8, dim);
+	video::IImage *minimap_image   = driver->createImage(video::ECF_A8R8G8B8,
+		core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
+
+	// Blit MinimapPixels to images
+	if (data->is_radar)
+		blitMinimapPixelsToImageRadar(map_image);
+	else
+		blitMinimapPixelsToImageSurface(map_image, heightmap_image);
+
+	map_image->copyToScaling(minimap_image);
+	map_image->drop();
+
+	video::IImage *minimap_mask = data->minimap_shape_round ?
+		data->minimap_mask_round : data->minimap_mask_square;
+
+	if (minimap_mask) {
+		for (s16 y = 0; y < MINIMAP_MAX_SY; y++)
+		for (s16 x = 0; x < MINIMAP_MAX_SX; x++) {
+			const video::SColor &mask_col = minimap_mask->getPixel(x, y);
+			if (!mask_col.getAlpha())
+				minimap_image->setPixel(x, y, video::SColor(0,0,0,0));
+		}
+	}
+
+	if (data->texture)
+		driver->removeTexture(data->texture);
+	if (data->heightmap_texture)
+		driver->removeTexture(data->heightmap_texture);
+
+	data->texture = driver->addTexture("minimap__", minimap_image);
+	data->heightmap_texture =
+		driver->addTexture("minimap_heightmap__", heightmap_image);
+	minimap_image->drop();
+	heightmap_image->drop();
+
+	data->map_invalidated = true;
+
+	return data->texture;
+}
+
+v3f Minimap::getYawVec()
+{
+	if (data->minimap_shape_round) {
+		return v3f(
+			std::cos(m_angle * core::DEGTORAD),
+			std::sin(m_angle * core::DEGTORAD),
+			1.0);
+	}
+
+	return v3f(1.0, 0.0, 1.0);
+}
+
+scene::SMeshBuffer *Minimap::getMinimapMeshBuffer()
+{
+	scene::SMeshBuffer *buf = new scene::SMeshBuffer();
+	buf->Vertices.set_used(4);
+	buf->Indices.set_used(6);
+	static const video::SColor c(255, 255, 255, 255);
+
+	buf->Vertices[0] = video::S3DVertex(-1, -1, 0, 0, 0, 1, c, 0, 1);
+	buf->Vertices[1] = video::S3DVertex(-1,  1, 0, 0, 0, 1, c, 0, 0);
+	buf->Vertices[2] = video::S3DVertex( 1,  1, 0, 0, 0, 1, c, 1, 0);
+	buf->Vertices[3] = video::S3DVertex( 1, -1, 0, 0, 0, 1, c, 1, 1);
+
+	buf->Indices[0] = 0;
+	buf->Indices[1] = 1;
+	buf->Indices[2] = 2;
+	buf->Indices[3] = 2;
+	buf->Indices[4] = 3;
+	buf->Indices[5] = 0;
+
+	return buf;
+}
+
+void Minimap::drawMinimap()
+{
+	video::ITexture *minimap_texture = getMinimapTexture();
+	if (!minimap_texture)
+		return;
+
+	updateActiveMarkers();
+	v2u32 screensize = RenderingEngine::get_instance()->getWindowSize();
+	const u32 size = 0.25 * screensize.Y;
+
+	core::rect<s32> oldViewPort = driver->getViewPort();
+	core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
+	core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
+
+	driver->setViewPort(core::rect<s32>(
+		screensize.X - size - 10, 10,
+		screensize.X - 10, size + 10));
+	driver->setTransform(video::ETS_PROJECTION, core::matrix4());
+	driver->setTransform(video::ETS_VIEW, core::matrix4());
+
+	core::matrix4 matrix;
+	matrix.makeIdentity();
+
+	video::SMaterial &material = m_meshbuffer->getMaterial();
+	material.setFlag(video::EMF_TRILINEAR_FILTER, true);
+	material.Lighting = false;
+	material.TextureLayer[0].Texture = minimap_texture;
+	material.TextureLayer[1].Texture = data->heightmap_texture;
+
+	if (m_enable_shaders && !data->is_radar) {
+		u16 sid = m_shdrsrc->getShader("minimap_shader", 1, 1);
+		material.MaterialType = m_shdrsrc->getShaderInfo(sid).material;
+	} else {
+		material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
+	}
+
+	if (data->minimap_shape_round)
+		matrix.setRotationDegrees(core::vector3df(0, 0, 360 - m_angle));
+
+	// Draw minimap
+	driver->setTransform(video::ETS_WORLD, matrix);
+	driver->setMaterial(material);
+	driver->drawMeshBuffer(m_meshbuffer);
+
+	// Draw overlay
+	video::ITexture *minimap_overlay = data->minimap_shape_round ?
+		data->minimap_overlay_round : data->minimap_overlay_square;
+	material.TextureLayer[0].Texture = minimap_overlay;
+	material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
+	driver->setMaterial(material);
+	driver->drawMeshBuffer(m_meshbuffer);
+
+	// Draw player marker on minimap
+	if (data->minimap_shape_round) {
+		matrix.setRotationDegrees(core::vector3df(0, 0, 0));
+	} else {
+		matrix.setRotationDegrees(core::vector3df(0, 0, m_angle));
+	}
+
+	material.TextureLayer[0].Texture = data->player_marker;
+	driver->setTransform(video::ETS_WORLD, matrix);
+	driver->setMaterial(material);
+	driver->drawMeshBuffer(m_meshbuffer);
+
+	// Reset transformations
+	driver->setTransform(video::ETS_VIEW, oldViewMat);
+	driver->setTransform(video::ETS_PROJECTION, oldProjMat);
+	driver->setViewPort(oldViewPort);
+
+	// Draw player markers
+	v2s32 s_pos(screensize.X - size - 10, 10);
+	core::dimension2di imgsize(data->object_marker_red->getOriginalSize());
+	core::rect<s32> img_rect(0, 0, imgsize.Width, imgsize.Height);
+	static const video::SColor col(255, 255, 255, 255);
+	static const video::SColor c[4] = {col, col, col, col};
+	f32 sin_angle = std::sin(m_angle * core::DEGTORAD);
+	f32 cos_angle = std::cos(m_angle * core::DEGTORAD);
+	s32 marker_size2 =  0.025 * (float)size;
+	for (std::list<v2f>::const_iterator
+			i = m_active_markers.begin();
+			i != m_active_markers.end(); ++i) {
+		v2f posf = *i;
+		if (data->minimap_shape_round) {
+			f32 t1 = posf.X * cos_angle - posf.Y * sin_angle;
+			f32 t2 = posf.X * sin_angle + posf.Y * cos_angle;
+			posf.X = t1;
+			posf.Y = t2;
+		}
+		posf.X = (posf.X + 0.5) * (float)size;
+		posf.Y = (posf.Y + 0.5) * (float)size;
+		core::rect<s32> dest_rect(
+			s_pos.X + posf.X - marker_size2,
+			s_pos.Y + posf.Y - marker_size2,
+			s_pos.X + posf.X + marker_size2,
+			s_pos.Y + posf.Y + marker_size2);
+		driver->draw2DImage(data->object_marker_red, dest_rect,
+			img_rect, &dest_rect, &c[0], true);
+	}
+}
+
+void Minimap::updateActiveMarkers()
+{
+	video::IImage *minimap_mask = data->minimap_shape_round ?
+		data->minimap_mask_round : data->minimap_mask_square;
+
+	const std::list<Nametag *> &nametags = client->getCamera()->getNametags();
+
+	m_active_markers.clear();
+
+	for (Nametag *nametag : nametags) {
+		v3s16 pos = floatToInt(nametag->parent_node->getPosition() +
+			intToFloat(client->getCamera()->getOffset(), BS), BS);
+		pos -= data->pos - v3s16(data->map_size / 2,
+				data->scan_height / 2,
+				data->map_size / 2);
+		if (pos.X < 0 || pos.X > data->map_size ||
+				pos.Y < 0 || pos.Y > data->scan_height ||
+				pos.Z < 0 || pos.Z > data->map_size) {
+			continue;
+		}
+		pos.X = ((float)pos.X / data->map_size) * MINIMAP_MAX_SX;
+		pos.Z = ((float)pos.Z / data->map_size) * MINIMAP_MAX_SY;
+		const video::SColor &mask_col = minimap_mask->getPixel(pos.X, pos.Z);
+		if (!mask_col.getAlpha()) {
+			continue;
+		}
+
+		m_active_markers.emplace_back(((float)pos.X / (float)MINIMAP_MAX_SX) - 0.5,
+			(1.0 - (float)pos.Z / (float)MINIMAP_MAX_SY) - 0.5);
+	}
+}
+
+////
+//// MinimapMapblock
+////
+
+void MinimapMapblock::getMinimapNodes(VoxelManipulator *vmanip, const v3s16 &pos)
+{
+
+	for (s16 x = 0; x < MAP_BLOCKSIZE; x++)
+	for (s16 z = 0; z < MAP_BLOCKSIZE; z++) {
+		s16 air_count = 0;
+		bool surface_found = false;
+		MinimapPixel *mmpixel = &data[z * MAP_BLOCKSIZE + x];
+
+		for (s16 y = MAP_BLOCKSIZE -1; y >= 0; y--) {
+			v3s16 p(x, y, z);
+			MapNode n = vmanip->getNodeNoEx(pos + p);
+			if (!surface_found && n.getContent() != CONTENT_AIR) {
+				mmpixel->height = y;
+				mmpixel->n = n;
+				surface_found = true;
+			} else if (n.getContent() == CONTENT_AIR) {
+				air_count++;
+			}
+		}
+
+		if (!surface_found)
+			mmpixel->n = MapNode(CONTENT_AIR);
+
+		mmpixel->air_count = air_count;
+	}
+}