3 Copyright (C) 2010-2015 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #include "threading/mutex_auto_lock.h"
22 #include "threading/semaphore.h"
23 #include "clientmap.h"
27 #include "util/numeric.h"
28 #include "util/string.h"
34 //// MinimapUpdateThread
37 MinimapUpdateThread::~MinimapUpdateThread()
39 for (std::map<v3s16, MinimapMapblock *>::iterator
40 it = m_blocks_cache.begin();
41 it != m_blocks_cache.end(); ++it) {
45 for (std::deque<QueuedMinimapUpdate>::iterator
46 it = m_update_queue.begin();
47 it != m_update_queue.end(); ++it) {
48 QueuedMinimapUpdate &q = *it;
53 bool MinimapUpdateThread::pushBlockUpdate(v3s16 pos, MinimapMapblock *data)
55 MutexAutoLock lock(m_queue_mutex);
57 // Find if block is already in queue.
58 // If it is, update the data and quit.
59 for (std::deque<QueuedMinimapUpdate>::iterator
60 it = m_update_queue.begin();
61 it != m_update_queue.end(); ++it) {
62 QueuedMinimapUpdate &q = *it;
71 QueuedMinimapUpdate q;
74 m_update_queue.push_back(q);
79 bool MinimapUpdateThread::popBlockUpdate(QueuedMinimapUpdate *update)
81 MutexAutoLock lock(m_queue_mutex);
83 if (m_update_queue.empty())
86 *update = m_update_queue.front();
87 m_update_queue.pop_front();
92 void MinimapUpdateThread::enqueueBlock(v3s16 pos, MinimapMapblock *data)
94 pushBlockUpdate(pos, data);
99 void MinimapUpdateThread::doUpdate()
101 QueuedMinimapUpdate update;
103 while (popBlockUpdate(&update)) {
105 // Swap two values in the map using single lookup
106 std::pair<std::map<v3s16, MinimapMapblock*>::iterator, bool>
107 result = m_blocks_cache.insert(std::make_pair(update.pos, update.data));
108 if (!result.second) {
109 delete result.first->second;
110 result.first->second = update.data;
113 std::map<v3s16, MinimapMapblock *>::iterator it;
114 it = m_blocks_cache.find(update.pos);
115 if (it != m_blocks_cache.end()) {
117 m_blocks_cache.erase(it);
122 if (data->map_invalidated && data->mode != MINIMAP_MODE_OFF) {
123 getMap(data->pos, data->map_size, data->scan_height);
124 data->map_invalidated = false;
128 void MinimapUpdateThread::getMap(v3s16 pos, s16 size, s16 height)
130 v3s16 region(size, 0, size);
131 v3s16 pos_min(pos.X - size / 2, pos.Y - height / 2, pos.Z - size / 2);
132 v3s16 pos_max(pos_min.X + size - 1, pos.Y + height / 2, pos_min.Z + size - 1);
133 v3s16 blockpos_min = getNodeBlockPos(pos_min);
134 v3s16 blockpos_max = getNodeBlockPos(pos_max);
137 for (int z = 0; z < size; z++)
138 for (int x = 0; x < size; x++) {
139 MinimapPixel &mmpixel = data->minimap_scan[x + z * size];
140 mmpixel.air_count = 0;
142 mmpixel.n = MapNode(CONTENT_AIR);
147 for (blockpos.Z = blockpos_min.Z; blockpos.Z <= blockpos_max.Z; ++blockpos.Z)
148 for (blockpos.Y = blockpos_min.Y; blockpos.Y <= blockpos_max.Y; ++blockpos.Y)
149 for (blockpos.X = blockpos_min.X; blockpos.X <= blockpos_max.X; ++blockpos.X) {
150 std::map<v3s16, MinimapMapblock *>::const_iterator pblock =
151 m_blocks_cache.find(blockpos);
152 if (pblock == m_blocks_cache.end())
154 const MinimapMapblock &block = *pblock->second;
156 v3s16 block_node_min(blockpos * MAP_BLOCKSIZE);
157 v3s16 block_node_max(block_node_min + MAP_BLOCKSIZE - 1);
159 v3s16 range_min = componentwise_max(block_node_min, pos_min);
160 v3s16 range_max = componentwise_min(block_node_max, pos_max);
164 for (pos.Z = range_min.Z; pos.Z <= range_max.Z; ++pos.Z)
165 for (pos.X = range_min.X; pos.X <= range_max.X; ++pos.X) {
166 v3s16 inblock_pos = pos - block_node_min;
167 const MinimapPixel &in_pixel =
168 block.data[inblock_pos.Z * MAP_BLOCKSIZE + inblock_pos.X];
170 v3s16 inmap_pos = pos - pos_min;
171 MinimapPixel &out_pixel =
172 data->minimap_scan[inmap_pos.X + inmap_pos.Z * size];
174 out_pixel.air_count += in_pixel.air_count;
175 if (in_pixel.n.param0 != CONTENT_AIR) {
176 out_pixel.n = in_pixel.n;
177 out_pixel.height = inmap_pos.Y + in_pixel.height;
187 Minimap::Minimap(IrrlichtDevice *device, Client *client)
189 this->client = client;
190 this->driver = device->getVideoDriver();
191 this->m_tsrc = client->getTextureSource();
192 this->m_shdrsrc = client->getShaderSource();
193 this->m_ndef = client->getNodeDefManager();
197 // Initialize static settings
198 m_enable_shaders = g_settings->getBool("enable_shaders");
199 m_surface_mode_scan_height =
200 g_settings->getBool("minimap_double_scan_height") ? 256 : 128;
202 // Initialize minimap data
203 data = new MinimapData;
204 data->mode = MINIMAP_MODE_OFF;
205 data->is_radar = false;
206 data->map_invalidated = true;
207 data->heightmap_image = NULL;
208 data->minimap_image = NULL;
209 data->texture = NULL;
210 data->heightmap_texture = NULL;
211 data->minimap_shape_round = g_settings->getBool("minimap_shape_round");
213 // Get round minimap textures
214 data->minimap_mask_round = driver->createImage(
215 m_tsrc->getTexture("minimap_mask_round.png"),
216 core::position2d<s32>(0, 0),
217 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
218 data->minimap_overlay_round = m_tsrc->getTexture("minimap_overlay_round.png");
220 // Get square minimap textures
221 data->minimap_mask_square = driver->createImage(
222 m_tsrc->getTexture("minimap_mask_square.png"),
223 core::position2d<s32>(0, 0),
224 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
225 data->minimap_overlay_square = m_tsrc->getTexture("minimap_overlay_square.png");
227 // Create player marker texture
228 data->player_marker = m_tsrc->getTexture("player_marker.png");
229 // Create object marker texture
230 data->object_marker_red = m_tsrc->getTexture("object_marker_red.png");
232 // Create mesh buffer for minimap
233 m_meshbuffer = getMinimapMeshBuffer();
235 // Initialize and start thread
236 m_minimap_update_thread = new MinimapUpdateThread();
237 m_minimap_update_thread->data = data;
238 m_minimap_update_thread->start();
243 m_minimap_update_thread->stop();
244 m_minimap_update_thread->wait();
246 m_meshbuffer->drop();
248 data->minimap_mask_round->drop();
249 data->minimap_mask_square->drop();
251 driver->removeTexture(data->texture);
252 driver->removeTexture(data->heightmap_texture);
253 driver->removeTexture(data->minimap_overlay_round);
254 driver->removeTexture(data->minimap_overlay_square);
255 driver->removeTexture(data->object_marker_red);
258 delete m_minimap_update_thread;
261 void Minimap::addBlock(v3s16 pos, MinimapMapblock *data)
263 m_minimap_update_thread->enqueueBlock(pos, data);
266 void Minimap::toggleMinimapShape()
268 MutexAutoLock lock(m_mutex);
270 data->minimap_shape_round = !data->minimap_shape_round;
271 g_settings->setBool("minimap_shape_round", data->minimap_shape_round);
272 m_minimap_update_thread->deferUpdate();
275 void Minimap::setMinimapShape(MinimapShape shape)
277 MutexAutoLock lock(m_mutex);
279 if (shape == MINIMAP_SHAPE_SQUARE)
280 data->minimap_shape_round = false;
281 else if (shape == MINIMAP_SHAPE_ROUND)
282 data->minimap_shape_round = true;
284 g_settings->setBool("minimap_shape_round", data->minimap_shape_round);
285 m_minimap_update_thread->deferUpdate();
288 MinimapShape Minimap::getMinimapShape()
290 if (data->minimap_shape_round) {
291 return MINIMAP_SHAPE_ROUND;
293 return MINIMAP_SHAPE_SQUARE;
297 void Minimap::setMinimapMode(MinimapMode mode)
299 static const MinimapModeDef modedefs[MINIMAP_MODE_COUNT] = {
301 {false, m_surface_mode_scan_height, 256},
302 {false, m_surface_mode_scan_height, 128},
303 {false, m_surface_mode_scan_height, 64},
309 if (mode >= MINIMAP_MODE_COUNT)
312 MutexAutoLock lock(m_mutex);
314 data->is_radar = modedefs[mode].is_radar;
315 data->scan_height = modedefs[mode].scan_height;
316 data->map_size = modedefs[mode].map_size;
319 m_minimap_update_thread->deferUpdate();
322 void Minimap::setPos(v3s16 pos)
324 bool do_update = false;
327 MutexAutoLock lock(m_mutex);
329 if (pos != data->old_pos) {
330 data->old_pos = data->pos;
337 m_minimap_update_thread->deferUpdate();
340 void Minimap::setAngle(f32 angle)
345 void Minimap::blitMinimapPixelsToImageRadar(video::IImage *map_image)
347 video::SColor c(240, 0, 0, 0);
348 for (s16 x = 0; x < data->map_size; x++)
349 for (s16 z = 0; z < data->map_size; z++) {
350 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
352 if (mmpixel->air_count > 0)
353 c.setGreen(core::clamp(core::round32(32 + mmpixel->air_count * 8), 0, 255));
357 map_image->setPixel(x, data->map_size - z - 1, c);
361 void Minimap::blitMinimapPixelsToImageSurface(
362 video::IImage *map_image, video::IImage *heightmap_image)
364 // This variable creation/destruction has a 1% cost on rendering minimap
365 video::SColor tilecolor;
366 for (s16 x = 0; x < data->map_size; x++)
367 for (s16 z = 0; z < data->map_size; z++) {
368 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
370 const ContentFeatures &f = m_ndef->get(mmpixel->n);
371 const TileDef *tile = &f.tiledef[0];
373 // Color of the 0th tile (mostly this is the topmost)
375 tilecolor = tile->color;
377 mmpixel->n.getColor(f, &tilecolor);
379 tilecolor.setRed(tilecolor.getRed() * f.minimap_color.getRed() / 255);
380 tilecolor.setGreen(tilecolor.getGreen() * f.minimap_color.getGreen() / 255);
381 tilecolor.setBlue(tilecolor.getBlue() * f.minimap_color.getBlue() / 255);
382 tilecolor.setAlpha(240);
384 map_image->setPixel(x, data->map_size - z - 1, tilecolor);
386 u32 h = mmpixel->height;
387 heightmap_image->setPixel(x,data->map_size - z - 1,
388 video::SColor(255, h, h, h));
392 video::ITexture *Minimap::getMinimapTexture()
394 // update minimap textures when new scan is ready
395 if (data->map_invalidated)
396 return data->texture;
398 // create minimap and heightmap images in memory
399 core::dimension2d<u32> dim(data->map_size, data->map_size);
400 video::IImage *map_image = driver->createImage(video::ECF_A8R8G8B8, dim);
401 video::IImage *heightmap_image = driver->createImage(video::ECF_A8R8G8B8, dim);
402 video::IImage *minimap_image = driver->createImage(video::ECF_A8R8G8B8,
403 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
405 // Blit MinimapPixels to images
407 blitMinimapPixelsToImageRadar(map_image);
409 blitMinimapPixelsToImageSurface(map_image, heightmap_image);
411 map_image->copyToScaling(minimap_image);
414 video::IImage *minimap_mask = data->minimap_shape_round ?
415 data->minimap_mask_round : data->minimap_mask_square;
418 for (s16 y = 0; y < MINIMAP_MAX_SY; y++)
419 for (s16 x = 0; x < MINIMAP_MAX_SX; x++) {
420 const video::SColor &mask_col = minimap_mask->getPixel(x, y);
421 if (!mask_col.getAlpha())
422 minimap_image->setPixel(x, y, video::SColor(0,0,0,0));
427 driver->removeTexture(data->texture);
428 if (data->heightmap_texture)
429 driver->removeTexture(data->heightmap_texture);
431 data->texture = driver->addTexture("minimap__", minimap_image);
432 data->heightmap_texture =
433 driver->addTexture("minimap_heightmap__", heightmap_image);
434 minimap_image->drop();
435 heightmap_image->drop();
437 data->map_invalidated = true;
439 return data->texture;
442 v3f Minimap::getYawVec()
444 if (data->minimap_shape_round) {
446 cos(m_angle * core::DEGTORAD),
447 sin(m_angle * core::DEGTORAD),
450 return v3f(1.0, 0.0, 1.0);
454 scene::SMeshBuffer *Minimap::getMinimapMeshBuffer()
456 scene::SMeshBuffer *buf = new scene::SMeshBuffer();
457 buf->Vertices.set_used(4);
458 buf->Indices.set_used(6);
459 static const video::SColor c(255, 255, 255, 255);
461 buf->Vertices[0] = video::S3DVertex(-1, -1, 0, 0, 0, 1, c, 0, 1);
462 buf->Vertices[1] = video::S3DVertex(-1, 1, 0, 0, 0, 1, c, 0, 0);
463 buf->Vertices[2] = video::S3DVertex( 1, 1, 0, 0, 0, 1, c, 1, 0);
464 buf->Vertices[3] = video::S3DVertex( 1, -1, 0, 0, 0, 1, c, 1, 1);
476 void Minimap::drawMinimap()
478 video::ITexture *minimap_texture = getMinimapTexture();
479 if (!minimap_texture)
482 updateActiveMarkers();
483 v2u32 screensize = porting::getWindowSize();
484 const u32 size = 0.25 * screensize.Y;
486 core::rect<s32> oldViewPort = driver->getViewPort();
487 core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
488 core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
490 driver->setViewPort(core::rect<s32>(
491 screensize.X - size - 10, 10,
492 screensize.X - 10, size + 10));
493 driver->setTransform(video::ETS_PROJECTION, core::matrix4());
494 driver->setTransform(video::ETS_VIEW, core::matrix4());
496 core::matrix4 matrix;
497 matrix.makeIdentity();
499 video::SMaterial &material = m_meshbuffer->getMaterial();
500 material.setFlag(video::EMF_TRILINEAR_FILTER, true);
501 material.Lighting = false;
502 material.TextureLayer[0].Texture = minimap_texture;
503 material.TextureLayer[1].Texture = data->heightmap_texture;
505 if (m_enable_shaders && !data->is_radar) {
506 u16 sid = m_shdrsrc->getShader("minimap_shader", 1, 1);
507 material.MaterialType = m_shdrsrc->getShaderInfo(sid).material;
509 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
512 if (data->minimap_shape_round)
513 matrix.setRotationDegrees(core::vector3df(0, 0, 360 - m_angle));
516 driver->setTransform(video::ETS_WORLD, matrix);
517 driver->setMaterial(material);
518 driver->drawMeshBuffer(m_meshbuffer);
521 video::ITexture *minimap_overlay = data->minimap_shape_round ?
522 data->minimap_overlay_round : data->minimap_overlay_square;
523 material.TextureLayer[0].Texture = minimap_overlay;
524 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
525 driver->setMaterial(material);
526 driver->drawMeshBuffer(m_meshbuffer);
528 // If round minimap, draw player marker
529 if (!data->minimap_shape_round) {
530 matrix.setRotationDegrees(core::vector3df(0, 0, m_angle));
531 material.TextureLayer[0].Texture = data->player_marker;
533 driver->setTransform(video::ETS_WORLD, matrix);
534 driver->setMaterial(material);
535 driver->drawMeshBuffer(m_meshbuffer);
538 // Reset transformations
539 driver->setTransform(video::ETS_VIEW, oldViewMat);
540 driver->setTransform(video::ETS_PROJECTION, oldProjMat);
541 driver->setViewPort(oldViewPort);
543 // Draw player markers
544 v2s32 s_pos(screensize.X - size - 10, 10);
545 core::dimension2di imgsize(data->object_marker_red->getOriginalSize());
546 core::rect<s32> img_rect(0, 0, imgsize.Width, imgsize.Height);
547 static const video::SColor col(255, 255, 255, 255);
548 static const video::SColor c[4] = {col, col, col, col};
549 f32 sin_angle = sin(m_angle * core::DEGTORAD);
550 f32 cos_angle = cos(m_angle * core::DEGTORAD);
551 s32 marker_size2 = 0.025 * (float)size;
552 for (std::list<v2f>::const_iterator
553 i = m_active_markers.begin();
554 i != m_active_markers.end(); ++i) {
556 if (data->minimap_shape_round) {
557 f32 t1 = posf.X * cos_angle - posf.Y * sin_angle;
558 f32 t2 = posf.X * sin_angle + posf.Y * cos_angle;
562 posf.X = (posf.X + 0.5) * (float)size;
563 posf.Y = (posf.Y + 0.5) * (float)size;
564 core::rect<s32> dest_rect(
565 s_pos.X + posf.X - marker_size2,
566 s_pos.Y + posf.Y - marker_size2,
567 s_pos.X + posf.X + marker_size2,
568 s_pos.Y + posf.Y + marker_size2);
569 driver->draw2DImage(data->object_marker_red, dest_rect,
570 img_rect, &dest_rect, &c[0], true);
574 void Minimap::updateActiveMarkers()
576 video::IImage *minimap_mask = data->minimap_shape_round ?
577 data->minimap_mask_round : data->minimap_mask_square;
579 const std::list<Nametag *> &nametags = client->getCamera()->getNametags();
581 m_active_markers.clear();
583 for (std::list<Nametag *>::const_iterator i = nametags.begin();
584 i != nametags.end(); ++i) {
585 v3s16 pos = floatToInt((*i)->parent_node->getPosition() +
586 intToFloat(client->getCamera()->getOffset(), BS), BS);
587 pos -= data->pos - v3s16(data->map_size / 2,
588 data->scan_height / 2,
590 if (pos.X < 0 || pos.X > data->map_size ||
591 pos.Y < 0 || pos.Y > data->scan_height ||
592 pos.Z < 0 || pos.Z > data->map_size) {
595 pos.X = ((float)pos.X / data->map_size) * MINIMAP_MAX_SX;
596 pos.Z = ((float)pos.Z / data->map_size) * MINIMAP_MAX_SY;
597 const video::SColor &mask_col = minimap_mask->getPixel(pos.X, pos.Z);
598 if (!mask_col.getAlpha()) {
601 m_active_markers.push_back(v2f(((float)pos.X / (float)MINIMAP_MAX_SX) - 0.5,
602 (1.0 - (float)pos.Z / (float)MINIMAP_MAX_SY) - 0.5));
610 void MinimapMapblock::getMinimapNodes(VoxelManipulator *vmanip, v3s16 pos)
613 for (s16 x = 0; x < MAP_BLOCKSIZE; x++)
614 for (s16 z = 0; z < MAP_BLOCKSIZE; z++) {
616 bool surface_found = false;
617 MinimapPixel *mmpixel = &data[z * MAP_BLOCKSIZE + x];
619 for (s16 y = MAP_BLOCKSIZE -1; y >= 0; y--) {
621 MapNode n = vmanip->getNodeNoEx(pos + p);
622 if (!surface_found && n.getContent() != CONTENT_AIR) {
625 surface_found = true;
626 } else if (n.getContent() == CONTENT_AIR) {
632 mmpixel->n = MapNode(CONTENT_AIR);
634 mmpixel->air_count = air_count;