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"
33 //// MinimapUpdateThread
36 MinimapUpdateThread::~MinimapUpdateThread()
38 for (std::map<v3s16, MinimapMapblock *>::iterator
39 it = m_blocks_cache.begin();
40 it != m_blocks_cache.end(); ++it) {
44 for (std::deque<QueuedMinimapUpdate>::iterator
45 it = m_update_queue.begin();
46 it != m_update_queue.end(); ++it) {
47 QueuedMinimapUpdate &q = *it;
52 bool MinimapUpdateThread::pushBlockUpdate(v3s16 pos, MinimapMapblock *data)
54 MutexAutoLock lock(m_queue_mutex);
56 // Find if block is already in queue.
57 // If it is, update the data and quit.
58 for (std::deque<QueuedMinimapUpdate>::iterator
59 it = m_update_queue.begin();
60 it != m_update_queue.end(); ++it) {
61 QueuedMinimapUpdate &q = *it;
70 QueuedMinimapUpdate q;
73 m_update_queue.push_back(q);
78 bool MinimapUpdateThread::popBlockUpdate(QueuedMinimapUpdate *update)
80 MutexAutoLock lock(m_queue_mutex);
82 if (m_update_queue.empty())
85 *update = m_update_queue.front();
86 m_update_queue.pop_front();
91 void MinimapUpdateThread::enqueueBlock(v3s16 pos, MinimapMapblock *data)
93 pushBlockUpdate(pos, data);
98 void MinimapUpdateThread::doUpdate()
100 QueuedMinimapUpdate update;
102 while (popBlockUpdate(&update)) {
104 // Swap two values in the map using single lookup
105 std::pair<std::map<v3s16, MinimapMapblock*>::iterator, bool>
106 result = m_blocks_cache.insert(std::make_pair(update.pos, update.data));
107 if (result.second == false) {
108 delete result.first->second;
109 result.first->second = update.data;
112 std::map<v3s16, MinimapMapblock *>::iterator it;
113 it = m_blocks_cache.find(update.pos);
114 if (it != m_blocks_cache.end()) {
116 m_blocks_cache.erase(it);
121 if (data->map_invalidated && data->mode != MINIMAP_MODE_OFF) {
122 getMap(data->pos, data->map_size, data->scan_height, data->is_radar);
123 data->map_invalidated = false;
127 MinimapPixel *MinimapUpdateThread::getMinimapPixel(v3s16 pos,
128 s16 scan_height, s16 *pixel_height)
130 s16 height = scan_height - MAP_BLOCKSIZE;
131 v3s16 blockpos_max, blockpos_min, relpos;
133 getNodeBlockPosWithOffset(
134 v3s16(pos.X, pos.Y - scan_height / 2, pos.Z),
135 blockpos_min, relpos);
136 getNodeBlockPosWithOffset(
137 v3s16(pos.X, pos.Y + scan_height / 2, pos.Z),
138 blockpos_max, relpos);
140 for (s16 i = blockpos_max.Y; i > blockpos_min.Y - 1; i--) {
141 std::map<v3s16, MinimapMapblock *>::iterator it =
142 m_blocks_cache.find(v3s16(blockpos_max.X, i, blockpos_max.Z));
143 if (it != m_blocks_cache.end()) {
144 MinimapMapblock *mmblock = it->second;
145 MinimapPixel *pixel = &mmblock->data[relpos.Z * MAP_BLOCKSIZE + relpos.X];
146 if (pixel->id != CONTENT_AIR) {
147 *pixel_height = height + pixel->height;
152 height -= MAP_BLOCKSIZE;
158 s16 MinimapUpdateThread::getAirCount(v3s16 pos, s16 height)
161 v3s16 blockpos_max, blockpos_min, relpos;
163 getNodeBlockPosWithOffset(
164 v3s16(pos.X, pos.Y - height / 2, pos.Z),
165 blockpos_min, relpos);
166 getNodeBlockPosWithOffset(
167 v3s16(pos.X, pos.Y + height / 2, pos.Z),
168 blockpos_max, relpos);
170 for (s16 i = blockpos_max.Y; i > blockpos_min.Y - 1; i--) {
171 std::map<v3s16, MinimapMapblock *>::iterator it =
172 m_blocks_cache.find(v3s16(blockpos_max.X, i, blockpos_max.Z));
173 if (it != m_blocks_cache.end()) {
174 MinimapMapblock *mmblock = it->second;
175 MinimapPixel *pixel = &mmblock->data[relpos.Z * MAP_BLOCKSIZE + relpos.X];
176 air_count += pixel->air_count;
183 void MinimapUpdateThread::getMap(v3s16 pos, s16 size, s16 height, bool is_radar)
185 v3s16 p = v3s16(pos.X - size / 2, pos.Y, pos.Z - size / 2);
187 for (s16 x = 0; x < size; x++)
188 for (s16 z = 0; z < size; z++) {
189 u16 id = CONTENT_AIR;
190 MinimapPixel *mmpixel = &data->minimap_scan[x + z * size];
193 s16 pixel_height = 0;
194 MinimapPixel *cached_pixel =
195 getMinimapPixel(v3s16(p.X + x, p.Y, p.Z + z), height, &pixel_height);
197 id = cached_pixel->id;
198 mmpixel->height = pixel_height;
201 mmpixel->air_count = getAirCount(v3s16(p.X + x, p.Y, p.Z + z), height);
212 Mapper::Mapper(IrrlichtDevice *device, Client *client)
214 this->client = client;
215 this->driver = device->getVideoDriver();
216 this->m_tsrc = client->getTextureSource();
217 this->m_shdrsrc = client->getShaderSource();
218 this->m_ndef = client->getNodeDefManager();
222 // Initialize static settings
223 m_enable_shaders = g_settings->getBool("enable_shaders");
224 m_surface_mode_scan_height =
225 g_settings->getBool("minimap_double_scan_height") ? 256 : 128;
227 // Initialize minimap data
228 data = new MinimapData;
229 data->mode = MINIMAP_MODE_OFF;
230 data->is_radar = false;
231 data->map_invalidated = true;
232 data->heightmap_image = NULL;
233 data->minimap_image = NULL;
234 data->texture = NULL;
235 data->heightmap_texture = NULL;
236 data->minimap_shape_round = g_settings->getBool("minimap_shape_round");
238 // Get round minimap textures
239 data->minimap_mask_round = driver->createImage(
240 m_tsrc->getTexture("minimap_mask_round.png"),
241 core::position2d<s32>(0, 0),
242 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
243 data->minimap_overlay_round = m_tsrc->getTexture("minimap_overlay_round.png");
245 // Get square minimap textures
246 data->minimap_mask_square = driver->createImage(
247 m_tsrc->getTexture("minimap_mask_square.png"),
248 core::position2d<s32>(0, 0),
249 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
250 data->minimap_overlay_square = m_tsrc->getTexture("minimap_overlay_square.png");
252 // Create player marker texture
253 data->player_marker = m_tsrc->getTexture("player_marker.png");
254 // Create object marker texture
255 data->object_marker_red = m_tsrc->getTexture("object_marker_red.png");
257 // Create mesh buffer for minimap
258 m_meshbuffer = getMinimapMeshBuffer();
260 // Initialize and start thread
261 m_minimap_update_thread = new MinimapUpdateThread();
262 m_minimap_update_thread->data = data;
263 m_minimap_update_thread->start();
268 m_minimap_update_thread->stop();
269 m_minimap_update_thread->wait();
271 m_meshbuffer->drop();
273 data->minimap_mask_round->drop();
274 data->minimap_mask_square->drop();
276 driver->removeTexture(data->texture);
277 driver->removeTexture(data->heightmap_texture);
278 driver->removeTexture(data->minimap_overlay_round);
279 driver->removeTexture(data->minimap_overlay_square);
280 driver->removeTexture(data->object_marker_red);
283 delete m_minimap_update_thread;
286 void Mapper::addBlock(v3s16 pos, MinimapMapblock *data)
288 m_minimap_update_thread->enqueueBlock(pos, data);
291 MinimapMode Mapper::getMinimapMode()
296 void Mapper::toggleMinimapShape()
298 MutexAutoLock lock(m_mutex);
300 data->minimap_shape_round = !data->minimap_shape_round;
301 g_settings->setBool("minimap_shape_round", data->minimap_shape_round);
302 m_minimap_update_thread->deferUpdate();
305 void Mapper::setMinimapMode(MinimapMode mode)
307 static const MinimapModeDef modedefs[MINIMAP_MODE_COUNT] = {
309 {false, m_surface_mode_scan_height, 256},
310 {false, m_surface_mode_scan_height, 128},
311 {false, m_surface_mode_scan_height, 64},
317 if (mode >= MINIMAP_MODE_COUNT)
320 MutexAutoLock lock(m_mutex);
322 data->is_radar = modedefs[mode].is_radar;
323 data->scan_height = modedefs[mode].scan_height;
324 data->map_size = modedefs[mode].map_size;
327 m_minimap_update_thread->deferUpdate();
330 void Mapper::setPos(v3s16 pos)
332 bool do_update = false;
335 MutexAutoLock lock(m_mutex);
337 if (pos != data->old_pos) {
338 data->old_pos = data->pos;
345 m_minimap_update_thread->deferUpdate();
348 void Mapper::setAngle(f32 angle)
353 void Mapper::blitMinimapPixelsToImageRadar(video::IImage *map_image)
355 for (s16 x = 0; x < data->map_size; x++)
356 for (s16 z = 0; z < data->map_size; z++) {
357 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
359 video::SColor c(240, 0, 0, 0);
360 if (mmpixel->air_count > 0)
361 c.setGreen(core::clamp(core::round32(32 + mmpixel->air_count * 8), 0, 255));
363 map_image->setPixel(x, data->map_size - z - 1, c);
367 void Mapper::blitMinimapPixelsToImageSurface(
368 video::IImage *map_image, video::IImage *heightmap_image)
370 for (s16 x = 0; x < data->map_size; x++)
371 for (s16 z = 0; z < data->map_size; z++) {
372 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
374 video::SColor c = m_ndef->get(mmpixel->id).minimap_color;
377 map_image->setPixel(x, data->map_size - z - 1, c);
379 u32 h = mmpixel->height;
380 heightmap_image->setPixel(x,data->map_size - z - 1,
381 video::SColor(255, h, h, h));
385 video::ITexture *Mapper::getMinimapTexture()
387 // update minimap textures when new scan is ready
388 if (data->map_invalidated)
389 return data->texture;
391 // create minimap and heightmap images in memory
392 core::dimension2d<u32> dim(data->map_size, data->map_size);
393 video::IImage *map_image = driver->createImage(video::ECF_A8R8G8B8, dim);
394 video::IImage *heightmap_image = driver->createImage(video::ECF_A8R8G8B8, dim);
395 video::IImage *minimap_image = driver->createImage(video::ECF_A8R8G8B8,
396 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
398 // Blit MinimapPixels to images
400 blitMinimapPixelsToImageRadar(map_image);
402 blitMinimapPixelsToImageSurface(map_image, heightmap_image);
404 map_image->copyToScaling(minimap_image);
407 video::IImage *minimap_mask = data->minimap_shape_round ?
408 data->minimap_mask_round : data->minimap_mask_square;
411 for (s16 y = 0; y < MINIMAP_MAX_SY; y++)
412 for (s16 x = 0; x < MINIMAP_MAX_SX; x++) {
413 video::SColor mask_col = minimap_mask->getPixel(x, y);
414 if (!mask_col.getAlpha())
415 minimap_image->setPixel(x, y, video::SColor(0,0,0,0));
420 driver->removeTexture(data->texture);
421 if (data->heightmap_texture)
422 driver->removeTexture(data->heightmap_texture);
424 data->texture = driver->addTexture("minimap__", minimap_image);
425 data->heightmap_texture =
426 driver->addTexture("minimap_heightmap__", heightmap_image);
427 minimap_image->drop();
428 heightmap_image->drop();
430 data->map_invalidated = true;
432 return data->texture;
435 v3f Mapper::getYawVec()
437 if (data->minimap_shape_round) {
439 cos(m_angle * core::DEGTORAD),
440 sin(m_angle * core::DEGTORAD),
443 return v3f(1.0, 0.0, 1.0);
447 scene::SMeshBuffer *Mapper::getMinimapMeshBuffer()
449 scene::SMeshBuffer *buf = new scene::SMeshBuffer();
450 buf->Vertices.set_used(4);
451 buf->Indices.set_used(6);
452 video::SColor c(255, 255, 255, 255);
454 buf->Vertices[0] = video::S3DVertex(-1, -1, 0, 0, 0, 1, c, 0, 1);
455 buf->Vertices[1] = video::S3DVertex(-1, 1, 0, 0, 0, 1, c, 0, 0);
456 buf->Vertices[2] = video::S3DVertex( 1, 1, 0, 0, 0, 1, c, 1, 0);
457 buf->Vertices[3] = video::S3DVertex( 1, -1, 0, 0, 0, 1, c, 1, 1);
469 void Mapper::drawMinimap()
471 video::ITexture *minimap_texture = getMinimapTexture();
472 if (!minimap_texture)
475 updateActiveMarkers();
476 v2u32 screensize = porting::getWindowSize();
477 const u32 size = 0.25 * screensize.Y;
479 core::rect<s32> oldViewPort = driver->getViewPort();
480 core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
481 core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
483 driver->setViewPort(core::rect<s32>(
484 screensize.X - size - 10, 10,
485 screensize.X - 10, size + 10));
486 driver->setTransform(video::ETS_PROJECTION, core::matrix4());
487 driver->setTransform(video::ETS_VIEW, core::matrix4());
489 core::matrix4 matrix;
490 matrix.makeIdentity();
492 video::SMaterial &material = m_meshbuffer->getMaterial();
493 material.setFlag(video::EMF_TRILINEAR_FILTER, true);
494 material.Lighting = false;
495 material.TextureLayer[0].Texture = minimap_texture;
496 material.TextureLayer[1].Texture = data->heightmap_texture;
498 if (m_enable_shaders && !data->is_radar) {
499 u16 sid = m_shdrsrc->getShader("minimap_shader", 1, 1);
500 material.MaterialType = m_shdrsrc->getShaderInfo(sid).material;
502 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
505 if (data->minimap_shape_round)
506 matrix.setRotationDegrees(core::vector3df(0, 0, 360 - m_angle));
509 driver->setTransform(video::ETS_WORLD, matrix);
510 driver->setMaterial(material);
511 driver->drawMeshBuffer(m_meshbuffer);
514 video::ITexture *minimap_overlay = data->minimap_shape_round ?
515 data->minimap_overlay_round : data->minimap_overlay_square;
516 material.TextureLayer[0].Texture = minimap_overlay;
517 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
518 driver->setMaterial(material);
519 driver->drawMeshBuffer(m_meshbuffer);
521 // If round minimap, draw player marker
522 if (!data->minimap_shape_round) {
523 matrix.setRotationDegrees(core::vector3df(0, 0, m_angle));
524 material.TextureLayer[0].Texture = data->player_marker;
526 driver->setTransform(video::ETS_WORLD, matrix);
527 driver->setMaterial(material);
528 driver->drawMeshBuffer(m_meshbuffer);
531 // Reset transformations
532 driver->setTransform(video::ETS_VIEW, oldViewMat);
533 driver->setTransform(video::ETS_PROJECTION, oldProjMat);
534 driver->setViewPort(oldViewPort);
536 // Draw player markers
537 v2s32 s_pos(screensize.X - size - 10, 10);
538 core::dimension2di imgsize(data->object_marker_red->getOriginalSize());
539 core::rect<s32> img_rect(0, 0, imgsize.Width, imgsize.Height);
540 static const video::SColor col(255, 255, 255, 255);
541 static const video::SColor c[4] = {col, col, col, col};
542 f32 sin_angle = sin(m_angle * core::DEGTORAD);
543 f32 cos_angle = cos(m_angle * core::DEGTORAD);
544 s32 marker_size2 = 0.025 * (float)size;
545 for (std::list<v2f>::const_iterator
546 i = m_active_markers.begin();
547 i != m_active_markers.end(); ++i) {
549 if (data->minimap_shape_round) {
550 f32 t1 = posf.X * cos_angle - posf.Y * sin_angle;
551 f32 t2 = posf.X * sin_angle + posf.Y * cos_angle;
555 posf.X = (posf.X + 0.5) * (float)size;
556 posf.Y = (posf.Y + 0.5) * (float)size;
557 core::rect<s32> dest_rect(
558 s_pos.X + posf.X - marker_size2,
559 s_pos.Y + posf.Y - marker_size2,
560 s_pos.X + posf.X + marker_size2,
561 s_pos.Y + posf.Y + marker_size2);
562 driver->draw2DImage(data->object_marker_red, dest_rect,
563 img_rect, &dest_rect, &c[0], true);
567 void Mapper::updateActiveMarkers ()
569 video::IImage *minimap_mask = data->minimap_shape_round ?
570 data->minimap_mask_round : data->minimap_mask_square;
572 std::list<Nametag *> *nametags = client->getCamera()->getNametags();
574 m_active_markers.clear();
576 for (std::list<Nametag *>::const_iterator
577 i = nametags->begin();
578 i != nametags->end(); ++i) {
579 Nametag *nametag = *i;
580 v3s16 pos = floatToInt(nametag->parent_node->getPosition() +
581 intToFloat(client->getCamera()->getOffset(), BS), BS);
582 pos -= data->pos - v3s16(data->map_size / 2,
583 data->scan_height / 2,
585 if (pos.X < 0 || pos.X > data->map_size ||
586 pos.Y < 0 || pos.Y > data->scan_height ||
587 pos.Z < 0 || pos.Z > data->map_size) {
590 pos.X = ((float)pos.X / data->map_size) * MINIMAP_MAX_SX;
591 pos.Z = ((float)pos.Z / data->map_size) * MINIMAP_MAX_SY;
592 video::SColor mask_col = minimap_mask->getPixel(pos.X, pos.Z);
593 if (!mask_col.getAlpha()) {
596 m_active_markers.push_back(v2f(((float)pos.X / (float)MINIMAP_MAX_SX) - 0.5,
597 (1.0 - (float)pos.Z / (float)MINIMAP_MAX_SY) - 0.5));
605 void MinimapMapblock::getMinimapNodes(VoxelManipulator *vmanip, v3s16 pos)
608 for (s16 x = 0; x < MAP_BLOCKSIZE; x++)
609 for (s16 z = 0; z < MAP_BLOCKSIZE; z++) {
611 bool surface_found = false;
612 MinimapPixel *mmpixel = &data[z * MAP_BLOCKSIZE + x];
614 for (s16 y = MAP_BLOCKSIZE -1; y >= 0; y--) {
616 MapNode n = vmanip->getNodeNoEx(pos + p);
617 if (!surface_found && n.getContent() != CONTENT_AIR) {
619 mmpixel->id = n.getContent();
620 surface_found = true;
621 } else if (n.getContent() == CONTENT_AIR) {
627 mmpixel->id = CONTENT_AIR;
629 mmpixel->air_count = air_count;