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 == false) {
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, data->is_radar);
124 data->map_invalidated = false;
128 MinimapPixel *MinimapUpdateThread::getMinimapPixel(v3s16 pos,
129 s16 scan_height, s16 *pixel_height)
131 s16 height = scan_height - MAP_BLOCKSIZE;
132 v3s16 blockpos_max, blockpos_min, relpos;
134 getNodeBlockPosWithOffset(
135 v3s16(pos.X, pos.Y - scan_height / 2, pos.Z),
136 blockpos_min, relpos);
137 getNodeBlockPosWithOffset(
138 v3s16(pos.X, pos.Y + scan_height / 2, pos.Z),
139 blockpos_max, relpos);
141 for (s16 i = blockpos_max.Y; i > blockpos_min.Y - 1; i--) {
142 std::map<v3s16, MinimapMapblock *>::iterator it =
143 m_blocks_cache.find(v3s16(blockpos_max.X, i, blockpos_max.Z));
144 if (it != m_blocks_cache.end()) {
145 MinimapMapblock *mmblock = it->second;
146 MinimapPixel *pixel = &mmblock->data[relpos.Z * MAP_BLOCKSIZE + relpos.X];
147 if (pixel->id != CONTENT_AIR) {
148 *pixel_height = height + pixel->height;
153 height -= MAP_BLOCKSIZE;
159 s16 MinimapUpdateThread::getAirCount(v3s16 pos, s16 height)
162 v3s16 blockpos_max, blockpos_min, relpos;
164 getNodeBlockPosWithOffset(
165 v3s16(pos.X, pos.Y - height / 2, pos.Z),
166 blockpos_min, relpos);
167 getNodeBlockPosWithOffset(
168 v3s16(pos.X, pos.Y + height / 2, pos.Z),
169 blockpos_max, relpos);
171 for (s16 i = blockpos_max.Y; i > blockpos_min.Y - 1; i--) {
172 std::map<v3s16, MinimapMapblock *>::iterator it =
173 m_blocks_cache.find(v3s16(blockpos_max.X, i, blockpos_max.Z));
174 if (it != m_blocks_cache.end()) {
175 MinimapMapblock *mmblock = it->second;
176 MinimapPixel *pixel = &mmblock->data[relpos.Z * MAP_BLOCKSIZE + relpos.X];
177 air_count += pixel->air_count;
184 void MinimapUpdateThread::getMap(v3s16 pos, s16 size, s16 height, bool is_radar)
186 v3s16 p = v3s16(pos.X - size / 2, pos.Y, pos.Z - size / 2);
188 for (s16 x = 0; x < size; x++)
189 for (s16 z = 0; z < size; z++) {
190 u16 id = CONTENT_AIR;
191 MinimapPixel *mmpixel = &data->minimap_scan[x + z * size];
194 s16 pixel_height = 0;
195 MinimapPixel *cached_pixel =
196 getMinimapPixel(v3s16(p.X + x, p.Y, p.Z + z), height, &pixel_height);
198 id = cached_pixel->id;
199 mmpixel->height = pixel_height;
202 mmpixel->air_count = getAirCount(v3s16(p.X + x, p.Y, p.Z + z), height);
213 Mapper::Mapper(IrrlichtDevice *device, Client *client)
215 this->client = client;
216 this->driver = device->getVideoDriver();
217 this->m_tsrc = client->getTextureSource();
218 this->m_shdrsrc = client->getShaderSource();
219 this->m_ndef = client->getNodeDefManager();
223 // Initialize static settings
224 m_enable_shaders = g_settings->getBool("enable_shaders");
225 m_surface_mode_scan_height =
226 g_settings->getBool("minimap_double_scan_height") ? 256 : 128;
228 // Initialize minimap data
229 data = new MinimapData;
230 data->mode = MINIMAP_MODE_OFF;
231 data->is_radar = false;
232 data->map_invalidated = true;
233 data->heightmap_image = NULL;
234 data->minimap_image = NULL;
235 data->texture = NULL;
236 data->heightmap_texture = NULL;
237 data->minimap_shape_round = g_settings->getBool("minimap_shape_round");
239 // Get round minimap textures
240 data->minimap_mask_round = driver->createImage(
241 m_tsrc->getTexture("minimap_mask_round.png"),
242 core::position2d<s32>(0, 0),
243 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
244 data->minimap_overlay_round = m_tsrc->getTexture("minimap_overlay_round.png");
246 // Get square minimap textures
247 data->minimap_mask_square = driver->createImage(
248 m_tsrc->getTexture("minimap_mask_square.png"),
249 core::position2d<s32>(0, 0),
250 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
251 data->minimap_overlay_square = m_tsrc->getTexture("minimap_overlay_square.png");
253 // Create player marker texture
254 data->player_marker = m_tsrc->getTexture("player_marker.png");
255 // Create object marker texture
256 data->object_marker_red = m_tsrc->getTexture("object_marker_red.png");
258 // Create mesh buffer for minimap
259 m_meshbuffer = getMinimapMeshBuffer();
261 // Initialize and start thread
262 m_minimap_update_thread = new MinimapUpdateThread();
263 m_minimap_update_thread->data = data;
264 m_minimap_update_thread->start();
269 m_minimap_update_thread->stop();
270 m_minimap_update_thread->wait();
272 m_meshbuffer->drop();
274 data->minimap_mask_round->drop();
275 data->minimap_mask_square->drop();
277 driver->removeTexture(data->texture);
278 driver->removeTexture(data->heightmap_texture);
279 driver->removeTexture(data->minimap_overlay_round);
280 driver->removeTexture(data->minimap_overlay_square);
281 driver->removeTexture(data->object_marker_red);
284 delete m_minimap_update_thread;
287 void Mapper::addBlock(v3s16 pos, MinimapMapblock *data)
289 m_minimap_update_thread->enqueueBlock(pos, data);
292 MinimapMode Mapper::getMinimapMode()
297 void Mapper::toggleMinimapShape()
299 MutexAutoLock lock(m_mutex);
301 data->minimap_shape_round = !data->minimap_shape_round;
302 g_settings->setBool("minimap_shape_round", data->minimap_shape_round);
303 m_minimap_update_thread->deferUpdate();
306 void Mapper::setMinimapMode(MinimapMode mode)
308 static const MinimapModeDef modedefs[MINIMAP_MODE_COUNT] = {
310 {false, m_surface_mode_scan_height, 256},
311 {false, m_surface_mode_scan_height, 128},
312 {false, m_surface_mode_scan_height, 64},
318 if (mode >= MINIMAP_MODE_COUNT)
321 MutexAutoLock lock(m_mutex);
323 data->is_radar = modedefs[mode].is_radar;
324 data->scan_height = modedefs[mode].scan_height;
325 data->map_size = modedefs[mode].map_size;
328 m_minimap_update_thread->deferUpdate();
331 void Mapper::setPos(v3s16 pos)
333 bool do_update = false;
336 MutexAutoLock lock(m_mutex);
338 if (pos != data->old_pos) {
339 data->old_pos = data->pos;
346 m_minimap_update_thread->deferUpdate();
349 void Mapper::setAngle(f32 angle)
354 void Mapper::blitMinimapPixelsToImageRadar(video::IImage *map_image)
356 for (s16 x = 0; x < data->map_size; x++)
357 for (s16 z = 0; z < data->map_size; z++) {
358 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
360 video::SColor c(240, 0, 0, 0);
361 if (mmpixel->air_count > 0)
362 c.setGreen(core::clamp(core::round32(32 + mmpixel->air_count * 8), 0, 255));
364 map_image->setPixel(x, data->map_size - z - 1, c);
368 void Mapper::blitMinimapPixelsToImageSurface(
369 video::IImage *map_image, video::IImage *heightmap_image)
371 for (s16 x = 0; x < data->map_size; x++)
372 for (s16 z = 0; z < data->map_size; z++) {
373 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
375 video::SColor c = m_ndef->get(mmpixel->id).minimap_color;
378 map_image->setPixel(x, data->map_size - z - 1, c);
380 u32 h = mmpixel->height;
381 heightmap_image->setPixel(x,data->map_size - z - 1,
382 video::SColor(255, h, h, h));
386 video::ITexture *Mapper::getMinimapTexture()
388 // update minimap textures when new scan is ready
389 if (data->map_invalidated)
390 return data->texture;
392 // create minimap and heightmap images in memory
393 core::dimension2d<u32> dim(data->map_size, data->map_size);
394 video::IImage *map_image = driver->createImage(video::ECF_A8R8G8B8, dim);
395 video::IImage *heightmap_image = driver->createImage(video::ECF_A8R8G8B8, dim);
396 video::IImage *minimap_image = driver->createImage(video::ECF_A8R8G8B8,
397 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
399 // Blit MinimapPixels to images
401 blitMinimapPixelsToImageRadar(map_image);
403 blitMinimapPixelsToImageSurface(map_image, heightmap_image);
405 map_image->copyToScaling(minimap_image);
408 video::IImage *minimap_mask = data->minimap_shape_round ?
409 data->minimap_mask_round : data->minimap_mask_square;
412 for (s16 y = 0; y < MINIMAP_MAX_SY; y++)
413 for (s16 x = 0; x < MINIMAP_MAX_SX; x++) {
414 video::SColor mask_col = minimap_mask->getPixel(x, y);
415 if (!mask_col.getAlpha())
416 minimap_image->setPixel(x, y, video::SColor(0,0,0,0));
421 driver->removeTexture(data->texture);
422 if (data->heightmap_texture)
423 driver->removeTexture(data->heightmap_texture);
425 data->texture = driver->addTexture("minimap__", minimap_image);
426 data->heightmap_texture =
427 driver->addTexture("minimap_heightmap__", heightmap_image);
428 minimap_image->drop();
429 heightmap_image->drop();
431 data->map_invalidated = true;
433 return data->texture;
436 v3f Mapper::getYawVec()
438 if (data->minimap_shape_round) {
440 cos(m_angle * core::DEGTORAD),
441 sin(m_angle * core::DEGTORAD),
444 return v3f(1.0, 0.0, 1.0);
448 scene::SMeshBuffer *Mapper::getMinimapMeshBuffer()
450 scene::SMeshBuffer *buf = new scene::SMeshBuffer();
451 buf->Vertices.set_used(4);
452 buf->Indices.set_used(6);
453 video::SColor c(255, 255, 255, 255);
455 buf->Vertices[0] = video::S3DVertex(-1, -1, 0, 0, 0, 1, c, 0, 1);
456 buf->Vertices[1] = video::S3DVertex(-1, 1, 0, 0, 0, 1, c, 0, 0);
457 buf->Vertices[2] = video::S3DVertex( 1, 1, 0, 0, 0, 1, c, 1, 0);
458 buf->Vertices[3] = video::S3DVertex( 1, -1, 0, 0, 0, 1, c, 1, 1);
470 void Mapper::drawMinimap()
472 video::ITexture *minimap_texture = getMinimapTexture();
473 if (!minimap_texture)
476 updateActiveMarkers();
477 v2u32 screensize = porting::getWindowSize();
478 const u32 size = 0.25 * screensize.Y;
480 core::rect<s32> oldViewPort = driver->getViewPort();
481 core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
482 core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
484 driver->setViewPort(core::rect<s32>(
485 screensize.X - size - 10, 10,
486 screensize.X - 10, size + 10));
487 driver->setTransform(video::ETS_PROJECTION, core::matrix4());
488 driver->setTransform(video::ETS_VIEW, core::matrix4());
490 core::matrix4 matrix;
491 matrix.makeIdentity();
493 video::SMaterial &material = m_meshbuffer->getMaterial();
494 material.setFlag(video::EMF_TRILINEAR_FILTER, true);
495 material.Lighting = false;
496 material.TextureLayer[0].Texture = minimap_texture;
497 material.TextureLayer[1].Texture = data->heightmap_texture;
499 if (m_enable_shaders && !data->is_radar) {
500 u16 sid = m_shdrsrc->getShader("minimap_shader", 1, 1);
501 material.MaterialType = m_shdrsrc->getShaderInfo(sid).material;
503 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
506 if (data->minimap_shape_round)
507 matrix.setRotationDegrees(core::vector3df(0, 0, 360 - m_angle));
510 driver->setTransform(video::ETS_WORLD, matrix);
511 driver->setMaterial(material);
512 driver->drawMeshBuffer(m_meshbuffer);
515 video::ITexture *minimap_overlay = data->minimap_shape_round ?
516 data->minimap_overlay_round : data->minimap_overlay_square;
517 material.TextureLayer[0].Texture = minimap_overlay;
518 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
519 driver->setMaterial(material);
520 driver->drawMeshBuffer(m_meshbuffer);
522 // If round minimap, draw player marker
523 if (!data->minimap_shape_round) {
524 matrix.setRotationDegrees(core::vector3df(0, 0, m_angle));
525 material.TextureLayer[0].Texture = data->player_marker;
527 driver->setTransform(video::ETS_WORLD, matrix);
528 driver->setMaterial(material);
529 driver->drawMeshBuffer(m_meshbuffer);
532 // Reset transformations
533 driver->setTransform(video::ETS_VIEW, oldViewMat);
534 driver->setTransform(video::ETS_PROJECTION, oldProjMat);
535 driver->setViewPort(oldViewPort);
537 // Draw player markers
538 v2s32 s_pos(screensize.X - size - 10, 10);
539 core::dimension2di imgsize(data->object_marker_red->getOriginalSize());
540 core::rect<s32> img_rect(0, 0, imgsize.Width, imgsize.Height);
541 static const video::SColor col(255, 255, 255, 255);
542 static const video::SColor c[4] = {col, col, col, col};
543 f32 sin_angle = sin(m_angle * core::DEGTORAD);
544 f32 cos_angle = cos(m_angle * core::DEGTORAD);
545 s32 marker_size2 = 0.025 * (float)size;
546 for (std::list<v2f>::const_iterator
547 i = m_active_markers.begin();
548 i != m_active_markers.end(); ++i) {
550 if (data->minimap_shape_round) {
551 f32 t1 = posf.X * cos_angle - posf.Y * sin_angle;
552 f32 t2 = posf.X * sin_angle + posf.Y * cos_angle;
556 posf.X = (posf.X + 0.5) * (float)size;
557 posf.Y = (posf.Y + 0.5) * (float)size;
558 core::rect<s32> dest_rect(
559 s_pos.X + posf.X - marker_size2,
560 s_pos.Y + posf.Y - marker_size2,
561 s_pos.X + posf.X + marker_size2,
562 s_pos.Y + posf.Y + marker_size2);
563 driver->draw2DImage(data->object_marker_red, dest_rect,
564 img_rect, &dest_rect, &c[0], true);
568 void Mapper::updateActiveMarkers ()
570 video::IImage *minimap_mask = data->minimap_shape_round ?
571 data->minimap_mask_round : data->minimap_mask_square;
573 std::list<Nametag *> *nametags = client->getCamera()->getNametags();
575 m_active_markers.clear();
577 for (std::list<Nametag *>::const_iterator
578 i = nametags->begin();
579 i != nametags->end(); ++i) {
580 Nametag *nametag = *i;
581 v3s16 pos = floatToInt(nametag->parent_node->getPosition() +
582 intToFloat(client->getCamera()->getOffset(), BS), BS);
583 pos -= data->pos - v3s16(data->map_size / 2,
584 data->scan_height / 2,
586 if (pos.X < 0 || pos.X > data->map_size ||
587 pos.Y < 0 || pos.Y > data->scan_height ||
588 pos.Z < 0 || pos.Z > data->map_size) {
591 pos.X = ((float)pos.X / data->map_size) * MINIMAP_MAX_SX;
592 pos.Z = ((float)pos.Z / data->map_size) * MINIMAP_MAX_SY;
593 video::SColor mask_col = minimap_mask->getPixel(pos.X, pos.Z);
594 if (!mask_col.getAlpha()) {
597 m_active_markers.push_back(v2f(((float)pos.X / (float)MINIMAP_MAX_SX) - 0.5,
598 (1.0 - (float)pos.Z / (float)MINIMAP_MAX_SY) - 0.5));
606 void MinimapMapblock::getMinimapNodes(VoxelManipulator *vmanip, v3s16 pos)
609 for (s16 x = 0; x < MAP_BLOCKSIZE; x++)
610 for (s16 z = 0; z < MAP_BLOCKSIZE; z++) {
612 bool surface_found = false;
613 MinimapPixel *mmpixel = &data[z * MAP_BLOCKSIZE + x];
615 for (s16 y = MAP_BLOCKSIZE -1; y >= 0; y--) {
617 MapNode n = vmanip->getNodeNoEx(pos + p);
618 if (!surface_found && n.getContent() != CONTENT_AIR) {
620 mmpixel->id = n.getContent();
621 surface_found = true;
622 } else if (n.getContent() == CONTENT_AIR) {
628 mmpixel->id = CONTENT_AIR;
630 mmpixel->air_count = air_count;