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.
22 #include "logoutputbuffer.h"
23 #include "jthread/jmutexautolock.h"
24 #include "jthread/jsemaphore.h"
25 #include "clientmap.h"
29 #include "util/numeric.h"
30 #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 JMutexAutoLock 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 JMutexAutoLock 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->driver = device->getVideoDriver();
216 this->m_tsrc = client->getTextureSource();
217 this->m_shdrsrc = client->getShaderSource();
218 this->m_ndef = client->getNodeDefManager();
220 // Initialize static settings
221 m_enable_shaders = g_settings->getBool("enable_shaders");
222 m_surface_mode_scan_height =
223 g_settings->getBool("minimap_double_scan_height") ? 256 : 128;
225 // Initialize minimap data
226 data = new MinimapData;
227 data->mode = MINIMAP_MODE_OFF;
228 data->is_radar = false;
229 data->map_invalidated = true;
230 data->heightmap_image = NULL;
231 data->minimap_image = NULL;
232 data->texture = NULL;
233 data->minimap_shape_round = g_settings->getBool("minimap_shape_round");
235 // Get round minimap textures
236 data->minimap_mask_round = driver->createImage(
237 m_tsrc->getTexture("minimap_mask_round.png"),
238 core::position2d<s32>(0, 0),
239 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
240 data->minimap_overlay_round = m_tsrc->getTexture("minimap_overlay_round.png");
242 // Get square minimap textures
243 data->minimap_mask_square = driver->createImage(
244 m_tsrc->getTexture("minimap_mask_square.png"),
245 core::position2d<s32>(0, 0),
246 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
247 data->minimap_overlay_square = m_tsrc->getTexture("minimap_overlay_square.png");
249 // Create player marker texture
250 data->player_marker = m_tsrc->getTexture("player_marker.png");
252 // Create mesh buffer for minimap
253 m_meshbuffer = getMinimapMeshBuffer();
255 // Initialize and start thread
256 m_minimap_update_thread = new MinimapUpdateThread();
257 m_minimap_update_thread->data = data;
258 m_minimap_update_thread->Start();
263 m_minimap_update_thread->Stop();
264 m_minimap_update_thread->Wait();
266 m_meshbuffer->drop();
268 data->minimap_mask_round->drop();
269 data->minimap_mask_square->drop();
271 driver->removeTexture(data->texture);
272 driver->removeTexture(data->heightmap_texture);
273 driver->removeTexture(data->minimap_overlay_round);
274 driver->removeTexture(data->minimap_overlay_square);
277 delete m_minimap_update_thread;
280 void Mapper::addBlock(v3s16 pos, MinimapMapblock *data)
282 m_minimap_update_thread->enqueueBlock(pos, data);
285 MinimapMode Mapper::getMinimapMode()
290 void Mapper::toggleMinimapShape()
292 JMutexAutoLock lock(m_mutex);
294 data->minimap_shape_round = !data->minimap_shape_round;
295 g_settings->setBool("minimap_shape_round", data->minimap_shape_round);
296 m_minimap_update_thread->deferUpdate();
299 void Mapper::setMinimapMode(MinimapMode mode)
301 static const MinimapModeDef modedefs[MINIMAP_MODE_COUNT] = {
303 {false, m_surface_mode_scan_height, 256},
304 {false, m_surface_mode_scan_height, 128},
305 {false, m_surface_mode_scan_height, 64},
311 if (mode >= MINIMAP_MODE_COUNT)
314 JMutexAutoLock lock(m_mutex);
316 data->is_radar = modedefs[mode].is_radar;
317 data->scan_height = modedefs[mode].scan_height;
318 data->map_size = modedefs[mode].map_size;
321 m_minimap_update_thread->deferUpdate();
324 void Mapper::setPos(v3s16 pos)
326 bool do_update = false;
329 JMutexAutoLock lock(m_mutex);
331 if (pos != data->old_pos) {
332 data->old_pos = data->pos;
339 m_minimap_update_thread->deferUpdate();
342 void Mapper::setAngle(f32 angle)
347 void Mapper::blitMinimapPixelsToImageRadar(video::IImage *map_image)
349 for (s16 x = 0; x < data->map_size; x++)
350 for (s16 z = 0; z < data->map_size; z++) {
351 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
353 video::SColor c(240, 0, 0, 0);
354 if (mmpixel->air_count > 0)
355 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 Mapper::blitMinimapPixelsToImageSurface(
362 video::IImage *map_image, video::IImage *heightmap_image)
364 for (s16 x = 0; x < data->map_size; x++)
365 for (s16 z = 0; z < data->map_size; z++) {
366 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
368 video::SColor c = m_ndef->get(mmpixel->id).minimap_color;
371 map_image->setPixel(x, data->map_size - z - 1, c);
373 u32 h = mmpixel->height;
374 heightmap_image->setPixel(x,data->map_size - z - 1,
375 video::SColor(255, h, h, h));
379 video::ITexture *Mapper::getMinimapTexture()
381 // update minimap textures when new scan is ready
382 if (data->map_invalidated)
383 return data->texture;
385 // create minimap and heightmap images in memory
386 core::dimension2d<u32> dim(data->map_size, data->map_size);
387 video::IImage *map_image = driver->createImage(video::ECF_A8R8G8B8, dim);
388 video::IImage *heightmap_image = driver->createImage(video::ECF_A8R8G8B8, dim);
389 video::IImage *minimap_image = driver->createImage(video::ECF_A8R8G8B8,
390 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
392 // Blit MinimapPixels to images
394 blitMinimapPixelsToImageRadar(map_image);
396 blitMinimapPixelsToImageSurface(map_image, heightmap_image);
398 map_image->copyToScaling(minimap_image);
401 video::IImage *minimap_mask = data->minimap_shape_round ?
402 data->minimap_mask_round : data->minimap_mask_square;
405 for (s16 y = 0; y < MINIMAP_MAX_SY; y++)
406 for (s16 x = 0; x < MINIMAP_MAX_SX; x++) {
407 video::SColor mask_col = minimap_mask->getPixel(x, y);
408 if (!mask_col.getAlpha())
409 minimap_image->setPixel(x, y, video::SColor(0,0,0,0));
414 driver->removeTexture(data->texture);
415 if (data->heightmap_texture)
416 driver->removeTexture(data->heightmap_texture);
418 data->texture = driver->addTexture("minimap__", minimap_image);
419 data->heightmap_texture =
420 driver->addTexture("minimap_heightmap__", heightmap_image);
421 minimap_image->drop();
422 heightmap_image->drop();
424 data->map_invalidated = true;
426 return data->texture;
429 v3f Mapper::getYawVec()
431 if (data->minimap_shape_round) {
433 cos(m_angle * core::DEGTORAD),
434 sin(m_angle * core::DEGTORAD),
437 return v3f(1.0, 0.0, 1.0);
441 scene::SMeshBuffer *Mapper::getMinimapMeshBuffer()
443 scene::SMeshBuffer *buf = new scene::SMeshBuffer();
444 buf->Vertices.set_used(4);
445 buf->Indices.set_used(6);
446 video::SColor c(255, 255, 255, 255);
448 buf->Vertices[0] = video::S3DVertex(-1, -1, 0, 0, 0, 1, c, 0, 1);
449 buf->Vertices[1] = video::S3DVertex(-1, 1, 0, 0, 0, 1, c, 0, 0);
450 buf->Vertices[2] = video::S3DVertex( 1, 1, 0, 0, 0, 1, c, 1, 0);
451 buf->Vertices[3] = video::S3DVertex( 1, -1, 0, 0, 0, 1, c, 1, 1);
463 void Mapper::drawMinimap()
465 video::ITexture *minimap_texture = getMinimapTexture();
466 if (!minimap_texture)
469 v2u32 screensize = porting::getWindowSize();
470 const u32 size = 0.25 * screensize.Y;
472 core::rect<s32> oldViewPort = driver->getViewPort();
473 core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
474 core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
476 driver->setViewPort(core::rect<s32>(
477 screensize.X - size - 10, 10,
478 screensize.X - 10, size + 10));
479 driver->setTransform(video::ETS_PROJECTION, core::matrix4());
480 driver->setTransform(video::ETS_VIEW, core::matrix4());
482 core::matrix4 matrix;
483 matrix.makeIdentity();
485 video::SMaterial &material = m_meshbuffer->getMaterial();
486 material.setFlag(video::EMF_TRILINEAR_FILTER, true);
487 material.Lighting = false;
488 material.TextureLayer[0].Texture = minimap_texture;
489 material.TextureLayer[1].Texture = data->heightmap_texture;
491 if (m_enable_shaders && !data->is_radar) {
492 u16 sid = m_shdrsrc->getShader("minimap_shader", 1, 1);
493 material.MaterialType = m_shdrsrc->getShaderInfo(sid).material;
495 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
498 if (data->minimap_shape_round)
499 matrix.setRotationDegrees(core::vector3df(0, 0, 360 - m_angle));
502 driver->setTransform(video::ETS_WORLD, matrix);
503 driver->setMaterial(material);
504 driver->drawMeshBuffer(m_meshbuffer);
507 video::ITexture *minimap_overlay = data->minimap_shape_round ?
508 data->minimap_overlay_round : data->minimap_overlay_square;
509 material.TextureLayer[0].Texture = minimap_overlay;
510 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
511 driver->setMaterial(material);
512 driver->drawMeshBuffer(m_meshbuffer);
514 // If round minimap, draw player marker
515 if (!data->minimap_shape_round) {
516 matrix.setRotationDegrees(core::vector3df(0, 0, m_angle));
517 material.TextureLayer[0].Texture = data->player_marker;
519 driver->setTransform(video::ETS_WORLD, matrix);
520 driver->setMaterial(material);
521 driver->drawMeshBuffer(m_meshbuffer);
524 // Reset transformations
525 driver->setTransform(video::ETS_VIEW, oldViewMat);
526 driver->setTransform(video::ETS_PROJECTION, oldProjMat);
527 driver->setViewPort(oldViewPort);
534 void MinimapMapblock::getMinimapNodes(VoxelManipulator *vmanip, v3s16 pos)
537 for (s16 x = 0; x < MAP_BLOCKSIZE; x++)
538 for (s16 z = 0; z < MAP_BLOCKSIZE; z++) {
540 bool surface_found = false;
541 MinimapPixel *mmpixel = &data[z * MAP_BLOCKSIZE + x];
543 for (s16 y = MAP_BLOCKSIZE -1; y >= 0; y--) {
545 MapNode n = vmanip->getNodeNoEx(pos + p);
546 if (!surface_found && n.getContent() != CONTENT_AIR) {
548 mmpixel->id = n.getContent();
549 surface_found = true;
550 } else if (n.getContent() == CONTENT_AIR) {
556 mmpixel->id = CONTENT_AIR;
558 mmpixel->air_count = air_count;