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);
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::setMinimapMode(MinimapMode mode)
277 static const MinimapModeDef modedefs[MINIMAP_MODE_COUNT] = {
279 {false, m_surface_mode_scan_height, 256},
280 {false, m_surface_mode_scan_height, 128},
281 {false, m_surface_mode_scan_height, 64},
287 if (mode >= MINIMAP_MODE_COUNT)
290 MutexAutoLock lock(m_mutex);
292 data->is_radar = modedefs[mode].is_radar;
293 data->scan_height = modedefs[mode].scan_height;
294 data->map_size = modedefs[mode].map_size;
297 m_minimap_update_thread->deferUpdate();
300 void Minimap::setPos(v3s16 pos)
302 bool do_update = false;
305 MutexAutoLock lock(m_mutex);
307 if (pos != data->old_pos) {
308 data->old_pos = data->pos;
315 m_minimap_update_thread->deferUpdate();
318 void Minimap::setAngle(f32 angle)
323 void Minimap::blitMinimapPixelsToImageRadar(video::IImage *map_image)
325 for (s16 x = 0; x < data->map_size; x++)
326 for (s16 z = 0; z < data->map_size; z++) {
327 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
329 video::SColor c(240, 0, 0, 0);
330 if (mmpixel->air_count > 0)
331 c.setGreen(core::clamp(core::round32(32 + mmpixel->air_count * 8), 0, 255));
333 map_image->setPixel(x, data->map_size - z - 1, c);
337 void Minimap::blitMinimapPixelsToImageSurface(
338 video::IImage *map_image, video::IImage *heightmap_image)
340 for (s16 x = 0; x < data->map_size; x++)
341 for (s16 z = 0; z < data->map_size; z++) {
342 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
344 const ContentFeatures &f = m_ndef->get(mmpixel->n);
345 const TileDef *tile = &f.tiledef[0];
346 // Color of the 0th tile (mostly this is the topmost)
347 video::SColor tilecolor;
349 tilecolor = tile->color;
351 mmpixel->n.getColor(f, &tilecolor);
352 tilecolor.setRed(tilecolor.getRed() * f.minimap_color.getRed() / 255);
353 tilecolor.setGreen(tilecolor.getGreen() * f.minimap_color.getGreen()
355 tilecolor.setBlue(tilecolor.getBlue() * f.minimap_color.getBlue() / 255);
356 tilecolor.setAlpha(240);
358 map_image->setPixel(x, data->map_size - z - 1, tilecolor);
360 u32 h = mmpixel->height;
361 heightmap_image->setPixel(x,data->map_size - z - 1,
362 video::SColor(255, h, h, h));
366 video::ITexture *Minimap::getMinimapTexture()
368 // update minimap textures when new scan is ready
369 if (data->map_invalidated)
370 return data->texture;
372 // create minimap and heightmap images in memory
373 core::dimension2d<u32> dim(data->map_size, data->map_size);
374 video::IImage *map_image = driver->createImage(video::ECF_A8R8G8B8, dim);
375 video::IImage *heightmap_image = driver->createImage(video::ECF_A8R8G8B8, dim);
376 video::IImage *minimap_image = driver->createImage(video::ECF_A8R8G8B8,
377 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
379 // Blit MinimapPixels to images
381 blitMinimapPixelsToImageRadar(map_image);
383 blitMinimapPixelsToImageSurface(map_image, heightmap_image);
385 map_image->copyToScaling(minimap_image);
388 video::IImage *minimap_mask = data->minimap_shape_round ?
389 data->minimap_mask_round : data->minimap_mask_square;
392 for (s16 y = 0; y < MINIMAP_MAX_SY; y++)
393 for (s16 x = 0; x < MINIMAP_MAX_SX; x++) {
394 video::SColor mask_col = minimap_mask->getPixel(x, y);
395 if (!mask_col.getAlpha())
396 minimap_image->setPixel(x, y, video::SColor(0,0,0,0));
401 driver->removeTexture(data->texture);
402 if (data->heightmap_texture)
403 driver->removeTexture(data->heightmap_texture);
405 data->texture = driver->addTexture("minimap__", minimap_image);
406 data->heightmap_texture =
407 driver->addTexture("minimap_heightmap__", heightmap_image);
408 minimap_image->drop();
409 heightmap_image->drop();
411 data->map_invalidated = true;
413 return data->texture;
416 v3f Minimap::getYawVec()
418 if (data->minimap_shape_round) {
420 cos(m_angle * core::DEGTORAD),
421 sin(m_angle * core::DEGTORAD),
424 return v3f(1.0, 0.0, 1.0);
428 scene::SMeshBuffer *Minimap::getMinimapMeshBuffer()
430 scene::SMeshBuffer *buf = new scene::SMeshBuffer();
431 buf->Vertices.set_used(4);
432 buf->Indices.set_used(6);
433 video::SColor c(255, 255, 255, 255);
435 buf->Vertices[0] = video::S3DVertex(-1, -1, 0, 0, 0, 1, c, 0, 1);
436 buf->Vertices[1] = video::S3DVertex(-1, 1, 0, 0, 0, 1, c, 0, 0);
437 buf->Vertices[2] = video::S3DVertex( 1, 1, 0, 0, 0, 1, c, 1, 0);
438 buf->Vertices[3] = video::S3DVertex( 1, -1, 0, 0, 0, 1, c, 1, 1);
450 void Minimap::drawMinimap()
452 video::ITexture *minimap_texture = getMinimapTexture();
453 if (!minimap_texture)
456 updateActiveMarkers();
457 v2u32 screensize = porting::getWindowSize();
458 const u32 size = 0.25 * screensize.Y;
460 core::rect<s32> oldViewPort = driver->getViewPort();
461 core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
462 core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
464 driver->setViewPort(core::rect<s32>(
465 screensize.X - size - 10, 10,
466 screensize.X - 10, size + 10));
467 driver->setTransform(video::ETS_PROJECTION, core::matrix4());
468 driver->setTransform(video::ETS_VIEW, core::matrix4());
470 core::matrix4 matrix;
471 matrix.makeIdentity();
473 video::SMaterial &material = m_meshbuffer->getMaterial();
474 material.setFlag(video::EMF_TRILINEAR_FILTER, true);
475 material.Lighting = false;
476 material.TextureLayer[0].Texture = minimap_texture;
477 material.TextureLayer[1].Texture = data->heightmap_texture;
479 if (m_enable_shaders && !data->is_radar) {
480 u16 sid = m_shdrsrc->getShader("minimap_shader", 1, 1);
481 material.MaterialType = m_shdrsrc->getShaderInfo(sid).material;
483 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
486 if (data->minimap_shape_round)
487 matrix.setRotationDegrees(core::vector3df(0, 0, 360 - m_angle));
490 driver->setTransform(video::ETS_WORLD, matrix);
491 driver->setMaterial(material);
492 driver->drawMeshBuffer(m_meshbuffer);
495 video::ITexture *minimap_overlay = data->minimap_shape_round ?
496 data->minimap_overlay_round : data->minimap_overlay_square;
497 material.TextureLayer[0].Texture = minimap_overlay;
498 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
499 driver->setMaterial(material);
500 driver->drawMeshBuffer(m_meshbuffer);
502 // If round minimap, draw player marker
503 if (!data->minimap_shape_round) {
504 matrix.setRotationDegrees(core::vector3df(0, 0, m_angle));
505 material.TextureLayer[0].Texture = data->player_marker;
507 driver->setTransform(video::ETS_WORLD, matrix);
508 driver->setMaterial(material);
509 driver->drawMeshBuffer(m_meshbuffer);
512 // Reset transformations
513 driver->setTransform(video::ETS_VIEW, oldViewMat);
514 driver->setTransform(video::ETS_PROJECTION, oldProjMat);
515 driver->setViewPort(oldViewPort);
517 // Draw player markers
518 v2s32 s_pos(screensize.X - size - 10, 10);
519 core::dimension2di imgsize(data->object_marker_red->getOriginalSize());
520 core::rect<s32> img_rect(0, 0, imgsize.Width, imgsize.Height);
521 static const video::SColor col(255, 255, 255, 255);
522 static const video::SColor c[4] = {col, col, col, col};
523 f32 sin_angle = sin(m_angle * core::DEGTORAD);
524 f32 cos_angle = cos(m_angle * core::DEGTORAD);
525 s32 marker_size2 = 0.025 * (float)size;
526 for (std::list<v2f>::const_iterator
527 i = m_active_markers.begin();
528 i != m_active_markers.end(); ++i) {
530 if (data->minimap_shape_round) {
531 f32 t1 = posf.X * cos_angle - posf.Y * sin_angle;
532 f32 t2 = posf.X * sin_angle + posf.Y * cos_angle;
536 posf.X = (posf.X + 0.5) * (float)size;
537 posf.Y = (posf.Y + 0.5) * (float)size;
538 core::rect<s32> dest_rect(
539 s_pos.X + posf.X - marker_size2,
540 s_pos.Y + posf.Y - marker_size2,
541 s_pos.X + posf.X + marker_size2,
542 s_pos.Y + posf.Y + marker_size2);
543 driver->draw2DImage(data->object_marker_red, dest_rect,
544 img_rect, &dest_rect, &c[0], true);
548 void Minimap::updateActiveMarkers()
550 video::IImage *minimap_mask = data->minimap_shape_round ?
551 data->minimap_mask_round : data->minimap_mask_square;
553 std::list<Nametag *> *nametags = client->getCamera()->getNametags();
555 m_active_markers.clear();
557 for (std::list<Nametag *>::const_iterator
558 i = nametags->begin();
559 i != nametags->end(); ++i) {
560 Nametag *nametag = *i;
561 v3s16 pos = floatToInt(nametag->parent_node->getPosition() +
562 intToFloat(client->getCamera()->getOffset(), BS), BS);
563 pos -= data->pos - v3s16(data->map_size / 2,
564 data->scan_height / 2,
566 if (pos.X < 0 || pos.X > data->map_size ||
567 pos.Y < 0 || pos.Y > data->scan_height ||
568 pos.Z < 0 || pos.Z > data->map_size) {
571 pos.X = ((float)pos.X / data->map_size) * MINIMAP_MAX_SX;
572 pos.Z = ((float)pos.Z / data->map_size) * MINIMAP_MAX_SY;
573 video::SColor mask_col = minimap_mask->getPixel(pos.X, pos.Z);
574 if (!mask_col.getAlpha()) {
577 m_active_markers.push_back(v2f(((float)pos.X / (float)MINIMAP_MAX_SX) - 0.5,
578 (1.0 - (float)pos.Z / (float)MINIMAP_MAX_SY) - 0.5));
586 void MinimapMapblock::getMinimapNodes(VoxelManipulator *vmanip, v3s16 pos)
589 for (s16 x = 0; x < MAP_BLOCKSIZE; x++)
590 for (s16 z = 0; z < MAP_BLOCKSIZE; z++) {
592 bool surface_found = false;
593 MinimapPixel *mmpixel = &data[z * MAP_BLOCKSIZE + x];
595 for (s16 y = MAP_BLOCKSIZE -1; y >= 0; y--) {
597 MapNode n = vmanip->getNodeNoEx(pos + p);
598 if (!surface_found && n.getContent() != CONTENT_AIR) {
601 surface_found = true;
602 } else if (n.getContent() == CONTENT_AIR) {
608 mmpixel->n = MapNode(CONTENT_AIR);
610 mmpixel->air_count = air_count;