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->driver = device->getVideoDriver();
215 this->m_tsrc = client->getTextureSource();
216 this->m_shdrsrc = client->getShaderSource();
217 this->m_ndef = client->getNodeDefManager();
221 // Initialize static settings
222 m_enable_shaders = g_settings->getBool("enable_shaders");
223 m_surface_mode_scan_height =
224 g_settings->getBool("minimap_double_scan_height") ? 256 : 128;
226 // Initialize minimap data
227 data = new MinimapData;
228 data->mode = MINIMAP_MODE_OFF;
229 data->is_radar = false;
230 data->map_invalidated = true;
231 data->heightmap_image = NULL;
232 data->minimap_image = NULL;
233 data->texture = NULL;
234 data->heightmap_texture = NULL;
235 data->minimap_shape_round = g_settings->getBool("minimap_shape_round");
237 // Get round minimap textures
238 data->minimap_mask_round = driver->createImage(
239 m_tsrc->getTexture("minimap_mask_round.png"),
240 core::position2d<s32>(0, 0),
241 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
242 data->minimap_overlay_round = m_tsrc->getTexture("minimap_overlay_round.png");
244 // Get square minimap textures
245 data->minimap_mask_square = driver->createImage(
246 m_tsrc->getTexture("minimap_mask_square.png"),
247 core::position2d<s32>(0, 0),
248 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
249 data->minimap_overlay_square = m_tsrc->getTexture("minimap_overlay_square.png");
251 // Create player marker texture
252 data->player_marker = m_tsrc->getTexture("player_marker.png");
254 // Create mesh buffer for minimap
255 m_meshbuffer = getMinimapMeshBuffer();
257 // Initialize and start thread
258 m_minimap_update_thread = new MinimapUpdateThread();
259 m_minimap_update_thread->data = data;
260 m_minimap_update_thread->start();
265 m_minimap_update_thread->stop();
266 m_minimap_update_thread->wait();
268 m_meshbuffer->drop();
270 data->minimap_mask_round->drop();
271 data->minimap_mask_square->drop();
273 driver->removeTexture(data->texture);
274 driver->removeTexture(data->heightmap_texture);
275 driver->removeTexture(data->minimap_overlay_round);
276 driver->removeTexture(data->minimap_overlay_square);
279 delete m_minimap_update_thread;
282 void Mapper::addBlock(v3s16 pos, MinimapMapblock *data)
284 m_minimap_update_thread->enqueueBlock(pos, data);
287 MinimapMode Mapper::getMinimapMode()
292 void Mapper::toggleMinimapShape()
294 MutexAutoLock lock(m_mutex);
296 data->minimap_shape_round = !data->minimap_shape_round;
297 g_settings->setBool("minimap_shape_round", data->minimap_shape_round);
298 m_minimap_update_thread->deferUpdate();
301 void Mapper::setMinimapMode(MinimapMode mode)
303 static const MinimapModeDef modedefs[MINIMAP_MODE_COUNT] = {
305 {false, m_surface_mode_scan_height, 256},
306 {false, m_surface_mode_scan_height, 128},
307 {false, m_surface_mode_scan_height, 64},
313 if (mode >= MINIMAP_MODE_COUNT)
316 MutexAutoLock lock(m_mutex);
318 data->is_radar = modedefs[mode].is_radar;
319 data->scan_height = modedefs[mode].scan_height;
320 data->map_size = modedefs[mode].map_size;
323 m_minimap_update_thread->deferUpdate();
326 void Mapper::setPos(v3s16 pos)
328 bool do_update = false;
331 MutexAutoLock lock(m_mutex);
333 if (pos != data->old_pos) {
334 data->old_pos = data->pos;
341 m_minimap_update_thread->deferUpdate();
344 void Mapper::setAngle(f32 angle)
349 void Mapper::blitMinimapPixelsToImageRadar(video::IImage *map_image)
351 for (s16 x = 0; x < data->map_size; x++)
352 for (s16 z = 0; z < data->map_size; z++) {
353 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
355 video::SColor c(240, 0, 0, 0);
356 if (mmpixel->air_count > 0)
357 c.setGreen(core::clamp(core::round32(32 + mmpixel->air_count * 8), 0, 255));
359 map_image->setPixel(x, data->map_size - z - 1, c);
363 void Mapper::blitMinimapPixelsToImageSurface(
364 video::IImage *map_image, video::IImage *heightmap_image)
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 video::SColor c = m_ndef->get(mmpixel->id).minimap_color;
373 map_image->setPixel(x, data->map_size - z - 1, c);
375 u32 h = mmpixel->height;
376 heightmap_image->setPixel(x,data->map_size - z - 1,
377 video::SColor(255, h, h, h));
381 video::ITexture *Mapper::getMinimapTexture()
383 // update minimap textures when new scan is ready
384 if (data->map_invalidated)
385 return data->texture;
387 // create minimap and heightmap images in memory
388 core::dimension2d<u32> dim(data->map_size, data->map_size);
389 video::IImage *map_image = driver->createImage(video::ECF_A8R8G8B8, dim);
390 video::IImage *heightmap_image = driver->createImage(video::ECF_A8R8G8B8, dim);
391 video::IImage *minimap_image = driver->createImage(video::ECF_A8R8G8B8,
392 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
394 // Blit MinimapPixels to images
396 blitMinimapPixelsToImageRadar(map_image);
398 blitMinimapPixelsToImageSurface(map_image, heightmap_image);
400 map_image->copyToScaling(minimap_image);
403 video::IImage *minimap_mask = data->minimap_shape_round ?
404 data->minimap_mask_round : data->minimap_mask_square;
407 for (s16 y = 0; y < MINIMAP_MAX_SY; y++)
408 for (s16 x = 0; x < MINIMAP_MAX_SX; x++) {
409 video::SColor mask_col = minimap_mask->getPixel(x, y);
410 if (!mask_col.getAlpha())
411 minimap_image->setPixel(x, y, video::SColor(0,0,0,0));
416 driver->removeTexture(data->texture);
417 if (data->heightmap_texture)
418 driver->removeTexture(data->heightmap_texture);
420 data->texture = driver->addTexture("minimap__", minimap_image);
421 data->heightmap_texture =
422 driver->addTexture("minimap_heightmap__", heightmap_image);
423 minimap_image->drop();
424 heightmap_image->drop();
426 data->map_invalidated = true;
428 return data->texture;
431 v3f Mapper::getYawVec()
433 if (data->minimap_shape_round) {
435 cos(m_angle * core::DEGTORAD),
436 sin(m_angle * core::DEGTORAD),
439 return v3f(1.0, 0.0, 1.0);
443 scene::SMeshBuffer *Mapper::getMinimapMeshBuffer()
445 scene::SMeshBuffer *buf = new scene::SMeshBuffer();
446 buf->Vertices.set_used(4);
447 buf->Indices.set_used(6);
448 video::SColor c(255, 255, 255, 255);
450 buf->Vertices[0] = video::S3DVertex(-1, -1, 0, 0, 0, 1, c, 0, 1);
451 buf->Vertices[1] = video::S3DVertex(-1, 1, 0, 0, 0, 1, c, 0, 0);
452 buf->Vertices[2] = video::S3DVertex( 1, 1, 0, 0, 0, 1, c, 1, 0);
453 buf->Vertices[3] = video::S3DVertex( 1, -1, 0, 0, 0, 1, c, 1, 1);
465 void Mapper::drawMinimap()
467 video::ITexture *minimap_texture = getMinimapTexture();
468 if (!minimap_texture)
471 v2u32 screensize = porting::getWindowSize();
472 const u32 size = 0.25 * screensize.Y;
474 core::rect<s32> oldViewPort = driver->getViewPort();
475 core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
476 core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
478 driver->setViewPort(core::rect<s32>(
479 screensize.X - size - 10, 10,
480 screensize.X - 10, size + 10));
481 driver->setTransform(video::ETS_PROJECTION, core::matrix4());
482 driver->setTransform(video::ETS_VIEW, core::matrix4());
484 core::matrix4 matrix;
485 matrix.makeIdentity();
487 video::SMaterial &material = m_meshbuffer->getMaterial();
488 material.setFlag(video::EMF_TRILINEAR_FILTER, true);
489 material.Lighting = false;
490 material.TextureLayer[0].Texture = minimap_texture;
491 material.TextureLayer[1].Texture = data->heightmap_texture;
493 if (m_enable_shaders && !data->is_radar) {
494 u16 sid = m_shdrsrc->getShader("minimap_shader", 1, 1);
495 material.MaterialType = m_shdrsrc->getShaderInfo(sid).material;
497 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
500 if (data->minimap_shape_round)
501 matrix.setRotationDegrees(core::vector3df(0, 0, 360 - m_angle));
504 driver->setTransform(video::ETS_WORLD, matrix);
505 driver->setMaterial(material);
506 driver->drawMeshBuffer(m_meshbuffer);
509 video::ITexture *minimap_overlay = data->minimap_shape_round ?
510 data->minimap_overlay_round : data->minimap_overlay_square;
511 material.TextureLayer[0].Texture = minimap_overlay;
512 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
513 driver->setMaterial(material);
514 driver->drawMeshBuffer(m_meshbuffer);
516 // If round minimap, draw player marker
517 if (!data->minimap_shape_round) {
518 matrix.setRotationDegrees(core::vector3df(0, 0, m_angle));
519 material.TextureLayer[0].Texture = data->player_marker;
521 driver->setTransform(video::ETS_WORLD, matrix);
522 driver->setMaterial(material);
523 driver->drawMeshBuffer(m_meshbuffer);
526 // Reset transformations
527 driver->setTransform(video::ETS_VIEW, oldViewMat);
528 driver->setTransform(video::ETS_PROJECTION, oldProjMat);
529 driver->setViewPort(oldViewPort);
536 void MinimapMapblock::getMinimapNodes(VoxelManipulator *vmanip, v3s16 pos)
539 for (s16 x = 0; x < MAP_BLOCKSIZE; x++)
540 for (s16 z = 0; z < MAP_BLOCKSIZE; z++) {
542 bool surface_found = false;
543 MinimapPixel *mmpixel = &data[z * MAP_BLOCKSIZE + x];
545 for (s16 y = MAP_BLOCKSIZE -1; y >= 0; y--) {
547 MapNode n = vmanip->getNodeNoEx(pos + p);
548 if (!surface_found && n.getContent() != CONTENT_AIR) {
550 mmpixel->id = n.getContent();
551 surface_found = true;
552 } else if (n.getContent() == CONTENT_AIR) {
558 mmpixel->id = CONTENT_AIR;
560 mmpixel->air_count = air_count;