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->heightmap_texture = NULL;
234 data->minimap_shape_round = g_settings->getBool("minimap_shape_round");
236 // Get round minimap textures
237 data->minimap_mask_round = driver->createImage(
238 m_tsrc->getTexture("minimap_mask_round.png"),
239 core::position2d<s32>(0, 0),
240 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
241 data->minimap_overlay_round = m_tsrc->getTexture("minimap_overlay_round.png");
243 // Get square minimap textures
244 data->minimap_mask_square = driver->createImage(
245 m_tsrc->getTexture("minimap_mask_square.png"),
246 core::position2d<s32>(0, 0),
247 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
248 data->minimap_overlay_square = m_tsrc->getTexture("minimap_overlay_square.png");
250 // Create player marker texture
251 data->player_marker = m_tsrc->getTexture("player_marker.png");
253 // Create mesh buffer for minimap
254 m_meshbuffer = getMinimapMeshBuffer();
256 // Initialize and start thread
257 m_minimap_update_thread = new MinimapUpdateThread();
258 m_minimap_update_thread->data = data;
259 m_minimap_update_thread->Start();
264 m_minimap_update_thread->Stop();
265 m_minimap_update_thread->Wait();
267 m_meshbuffer->drop();
269 data->minimap_mask_round->drop();
270 data->minimap_mask_square->drop();
272 driver->removeTexture(data->texture);
273 driver->removeTexture(data->heightmap_texture);
274 driver->removeTexture(data->minimap_overlay_round);
275 driver->removeTexture(data->minimap_overlay_square);
278 delete m_minimap_update_thread;
281 void Mapper::addBlock(v3s16 pos, MinimapMapblock *data)
283 m_minimap_update_thread->enqueueBlock(pos, data);
286 MinimapMode Mapper::getMinimapMode()
291 void Mapper::toggleMinimapShape()
293 JMutexAutoLock lock(m_mutex);
295 data->minimap_shape_round = !data->minimap_shape_round;
296 g_settings->setBool("minimap_shape_round", data->minimap_shape_round);
297 m_minimap_update_thread->deferUpdate();
300 void Mapper::setMinimapMode(MinimapMode mode)
302 static const MinimapModeDef modedefs[MINIMAP_MODE_COUNT] = {
304 {false, m_surface_mode_scan_height, 256},
305 {false, m_surface_mode_scan_height, 128},
306 {false, m_surface_mode_scan_height, 64},
312 if (mode >= MINIMAP_MODE_COUNT)
315 JMutexAutoLock lock(m_mutex);
317 data->is_radar = modedefs[mode].is_radar;
318 data->scan_height = modedefs[mode].scan_height;
319 data->map_size = modedefs[mode].map_size;
322 m_minimap_update_thread->deferUpdate();
325 void Mapper::setPos(v3s16 pos)
327 bool do_update = false;
330 JMutexAutoLock lock(m_mutex);
332 if (pos != data->old_pos) {
333 data->old_pos = data->pos;
340 m_minimap_update_thread->deferUpdate();
343 void Mapper::setAngle(f32 angle)
348 void Mapper::blitMinimapPixelsToImageRadar(video::IImage *map_image)
350 for (s16 x = 0; x < data->map_size; x++)
351 for (s16 z = 0; z < data->map_size; z++) {
352 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
354 video::SColor c(240, 0, 0, 0);
355 if (mmpixel->air_count > 0)
356 c.setGreen(core::clamp(core::round32(32 + mmpixel->air_count * 8), 0, 255));
358 map_image->setPixel(x, data->map_size - z - 1, c);
362 void Mapper::blitMinimapPixelsToImageSurface(
363 video::IImage *map_image, video::IImage *heightmap_image)
365 for (s16 x = 0; x < data->map_size; x++)
366 for (s16 z = 0; z < data->map_size; z++) {
367 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
369 video::SColor c = m_ndef->get(mmpixel->id).minimap_color;
372 map_image->setPixel(x, data->map_size - z - 1, c);
374 u32 h = mmpixel->height;
375 heightmap_image->setPixel(x,data->map_size - z - 1,
376 video::SColor(255, h, h, h));
380 video::ITexture *Mapper::getMinimapTexture()
382 // update minimap textures when new scan is ready
383 if (data->map_invalidated)
384 return data->texture;
386 // create minimap and heightmap images in memory
387 core::dimension2d<u32> dim(data->map_size, data->map_size);
388 video::IImage *map_image = driver->createImage(video::ECF_A8R8G8B8, dim);
389 video::IImage *heightmap_image = driver->createImage(video::ECF_A8R8G8B8, dim);
390 video::IImage *minimap_image = driver->createImage(video::ECF_A8R8G8B8,
391 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
393 // Blit MinimapPixels to images
395 blitMinimapPixelsToImageRadar(map_image);
397 blitMinimapPixelsToImageSurface(map_image, heightmap_image);
399 map_image->copyToScaling(minimap_image);
402 video::IImage *minimap_mask = data->minimap_shape_round ?
403 data->minimap_mask_round : data->minimap_mask_square;
406 for (s16 y = 0; y < MINIMAP_MAX_SY; y++)
407 for (s16 x = 0; x < MINIMAP_MAX_SX; x++) {
408 video::SColor mask_col = minimap_mask->getPixel(x, y);
409 if (!mask_col.getAlpha())
410 minimap_image->setPixel(x, y, video::SColor(0,0,0,0));
415 driver->removeTexture(data->texture);
416 if (data->heightmap_texture)
417 driver->removeTexture(data->heightmap_texture);
419 data->texture = driver->addTexture("minimap__", minimap_image);
420 data->heightmap_texture =
421 driver->addTexture("minimap_heightmap__", heightmap_image);
422 minimap_image->drop();
423 heightmap_image->drop();
425 data->map_invalidated = true;
427 return data->texture;
430 v3f Mapper::getYawVec()
432 if (data->minimap_shape_round) {
434 cos(m_angle * core::DEGTORAD),
435 sin(m_angle * core::DEGTORAD),
438 return v3f(1.0, 0.0, 1.0);
442 scene::SMeshBuffer *Mapper::getMinimapMeshBuffer()
444 scene::SMeshBuffer *buf = new scene::SMeshBuffer();
445 buf->Vertices.set_used(4);
446 buf->Indices.set_used(6);
447 video::SColor c(255, 255, 255, 255);
449 buf->Vertices[0] = video::S3DVertex(-1, -1, 0, 0, 0, 1, c, 0, 1);
450 buf->Vertices[1] = video::S3DVertex(-1, 1, 0, 0, 0, 1, c, 0, 0);
451 buf->Vertices[2] = video::S3DVertex( 1, 1, 0, 0, 0, 1, c, 1, 0);
452 buf->Vertices[3] = video::S3DVertex( 1, -1, 0, 0, 0, 1, c, 1, 1);
464 void Mapper::drawMinimap()
466 video::ITexture *minimap_texture = getMinimapTexture();
467 if (!minimap_texture)
470 v2u32 screensize = porting::getWindowSize();
471 const u32 size = 0.25 * screensize.Y;
473 core::rect<s32> oldViewPort = driver->getViewPort();
474 core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
475 core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
477 driver->setViewPort(core::rect<s32>(
478 screensize.X - size - 10, 10,
479 screensize.X - 10, size + 10));
480 driver->setTransform(video::ETS_PROJECTION, core::matrix4());
481 driver->setTransform(video::ETS_VIEW, core::matrix4());
483 core::matrix4 matrix;
484 matrix.makeIdentity();
486 video::SMaterial &material = m_meshbuffer->getMaterial();
487 material.setFlag(video::EMF_TRILINEAR_FILTER, true);
488 material.Lighting = false;
489 material.TextureLayer[0].Texture = minimap_texture;
490 material.TextureLayer[1].Texture = data->heightmap_texture;
492 if (m_enable_shaders && !data->is_radar) {
493 u16 sid = m_shdrsrc->getShader("minimap_shader", 1, 1);
494 material.MaterialType = m_shdrsrc->getShaderInfo(sid).material;
496 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
499 if (data->minimap_shape_round)
500 matrix.setRotationDegrees(core::vector3df(0, 0, 360 - m_angle));
503 driver->setTransform(video::ETS_WORLD, matrix);
504 driver->setMaterial(material);
505 driver->drawMeshBuffer(m_meshbuffer);
508 video::ITexture *minimap_overlay = data->minimap_shape_round ?
509 data->minimap_overlay_round : data->minimap_overlay_square;
510 material.TextureLayer[0].Texture = minimap_overlay;
511 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
512 driver->setMaterial(material);
513 driver->drawMeshBuffer(m_meshbuffer);
515 // If round minimap, draw player marker
516 if (!data->minimap_shape_round) {
517 matrix.setRotationDegrees(core::vector3df(0, 0, m_angle));
518 material.TextureLayer[0].Texture = data->player_marker;
520 driver->setTransform(video::ETS_WORLD, matrix);
521 driver->setMaterial(material);
522 driver->drawMeshBuffer(m_meshbuffer);
525 // Reset transformations
526 driver->setTransform(video::ETS_VIEW, oldViewMat);
527 driver->setTransform(video::ETS_PROJECTION, oldProjMat);
528 driver->setViewPort(oldViewPort);
535 void MinimapMapblock::getMinimapNodes(VoxelManipulator *vmanip, v3s16 pos)
538 for (s16 x = 0; x < MAP_BLOCKSIZE; x++)
539 for (s16 z = 0; z < MAP_BLOCKSIZE; z++) {
541 bool surface_found = false;
542 MinimapPixel *mmpixel = &data[z * MAP_BLOCKSIZE + x];
544 for (s16 y = MAP_BLOCKSIZE -1; y >= 0; y--) {
546 MapNode n = vmanip->getNodeNoEx(pos + p);
547 if (!surface_found && n.getContent() != CONTENT_AIR) {
549 mmpixel->id = n.getContent();
550 surface_found = true;
551 } else if (n.getContent() == CONTENT_AIR) {
557 mmpixel->id = CONTENT_AIR;
559 mmpixel->air_count = air_count;