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 m_blocks_cache[update.pos] = update.data;
107 std::map<v3s16, MinimapMapblock *>::iterator it;
108 it = m_blocks_cache.find(update.pos);
109 if (it != m_blocks_cache.end()) {
111 m_blocks_cache.erase(it);
116 if (data->map_invalidated && data->mode != MINIMAP_MODE_OFF) {
117 getMap(data->pos, data->map_size, data->scan_height, data->is_radar);
118 data->map_invalidated = false;
122 MinimapPixel *MinimapUpdateThread::getMinimapPixel(v3s16 pos,
123 s16 scan_height, s16 *pixel_height)
125 s16 height = scan_height - MAP_BLOCKSIZE;
126 v3s16 blockpos_max, blockpos_min, relpos;
128 getNodeBlockPosWithOffset(
129 v3s16(pos.X, pos.Y - scan_height / 2, pos.Z),
130 blockpos_min, relpos);
131 getNodeBlockPosWithOffset(
132 v3s16(pos.X, pos.Y + scan_height / 2, pos.Z),
133 blockpos_max, relpos);
135 for (s16 i = blockpos_max.Y; i > blockpos_min.Y - 1; i--) {
136 std::map<v3s16, MinimapMapblock *>::iterator it =
137 m_blocks_cache.find(v3s16(blockpos_max.X, i, blockpos_max.Z));
138 if (it != m_blocks_cache.end()) {
139 MinimapMapblock *mmblock = it->second;
140 MinimapPixel *pixel = &mmblock->data[relpos.Z * MAP_BLOCKSIZE + relpos.X];
141 if (pixel->id != CONTENT_AIR) {
142 *pixel_height = height + pixel->height;
147 height -= MAP_BLOCKSIZE;
153 s16 MinimapUpdateThread::getAirCount(v3s16 pos, s16 height)
156 v3s16 blockpos_max, blockpos_min, relpos;
158 getNodeBlockPosWithOffset(
159 v3s16(pos.X, pos.Y - height / 2, pos.Z),
160 blockpos_min, relpos);
161 getNodeBlockPosWithOffset(
162 v3s16(pos.X, pos.Y + height / 2, pos.Z),
163 blockpos_max, relpos);
165 for (s16 i = blockpos_max.Y; i > blockpos_min.Y - 1; i--) {
166 std::map<v3s16, MinimapMapblock *>::iterator it =
167 m_blocks_cache.find(v3s16(blockpos_max.X, i, blockpos_max.Z));
168 if (it != m_blocks_cache.end()) {
169 MinimapMapblock *mmblock = it->second;
170 MinimapPixel *pixel = &mmblock->data[relpos.Z * MAP_BLOCKSIZE + relpos.X];
171 air_count += pixel->air_count;
178 void MinimapUpdateThread::getMap(v3s16 pos, s16 size, s16 height, bool is_radar)
180 v3s16 p = v3s16(pos.X - size / 2, pos.Y, pos.Z - size / 2);
182 for (s16 x = 0; x < size; x++)
183 for (s16 z = 0; z < size; z++) {
184 u16 id = CONTENT_AIR;
185 MinimapPixel *mmpixel = &data->minimap_scan[x + z * size];
188 s16 pixel_height = 0;
189 MinimapPixel *cached_pixel =
190 getMinimapPixel(v3s16(p.X + x, p.Y, p.Z + z), height, &pixel_height);
192 id = cached_pixel->id;
193 mmpixel->height = pixel_height;
196 mmpixel->air_count = getAirCount(v3s16(p.X + x, p.Y, p.Z + z), height);
207 Mapper::Mapper(IrrlichtDevice *device, Client *client)
209 this->driver = device->getVideoDriver();
210 this->m_tsrc = client->getTextureSource();
211 this->m_shdrsrc = client->getShaderSource();
212 this->m_ndef = client->getNodeDefManager();
214 // Initialize static settings
215 m_enable_shaders = g_settings->getBool("enable_shaders");
216 m_surface_mode_scan_height =
217 g_settings->getBool("minimap_double_scan_height") ? 256 : 128;
219 // Initialize minimap data
220 data = new MinimapData;
221 data->mode = MINIMAP_MODE_OFF;
222 data->is_radar = false;
223 data->map_invalidated = true;
224 data->heightmap_image = NULL;
225 data->minimap_image = NULL;
226 data->texture = NULL;
227 data->minimap_shape_round = g_settings->getBool("minimap_shape_round");
229 // Get round minimap textures
230 data->minimap_mask_round = driver->createImage(
231 m_tsrc->getTexture("minimap_mask_round.png"),
232 core::position2d<s32>(0, 0),
233 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
234 data->minimap_overlay_round = m_tsrc->getTexture("minimap_overlay_round.png");
236 // Get square minimap textures
237 data->minimap_mask_square = driver->createImage(
238 m_tsrc->getTexture("minimap_mask_square.png"),
239 core::position2d<s32>(0, 0),
240 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
241 data->minimap_overlay_square = m_tsrc->getTexture("minimap_overlay_square.png");
243 // Create player marker texture
244 data->player_marker = m_tsrc->getTexture("player_marker.png");
246 // Create mesh buffer for minimap
247 m_meshbuffer = getMinimapMeshBuffer();
249 // Initialize and start thread
250 m_minimap_update_thread = new MinimapUpdateThread();
251 m_minimap_update_thread->data = data;
252 m_minimap_update_thread->Start();
257 m_minimap_update_thread->Stop();
258 m_minimap_update_thread->Wait();
260 m_meshbuffer->drop();
262 data->minimap_mask_round->drop();
263 data->minimap_mask_square->drop();
265 driver->removeTexture(data->texture);
266 driver->removeTexture(data->heightmap_texture);
267 driver->removeTexture(data->minimap_overlay_round);
268 driver->removeTexture(data->minimap_overlay_square);
271 delete m_minimap_update_thread;
274 void Mapper::addBlock(v3s16 pos, MinimapMapblock *data)
276 m_minimap_update_thread->enqueueBlock(pos, data);
279 MinimapMode Mapper::getMinimapMode()
284 void Mapper::toggleMinimapShape()
286 JMutexAutoLock lock(m_mutex);
288 data->minimap_shape_round = !data->minimap_shape_round;
289 g_settings->setBool("minimap_shape_round", data->minimap_shape_round);
290 m_minimap_update_thread->deferUpdate();
293 void Mapper::setMinimapMode(MinimapMode mode)
295 static const MinimapModeDef modedefs[MINIMAP_MODE_COUNT] = {
297 {false, m_surface_mode_scan_height, 256},
298 {false, m_surface_mode_scan_height, 128},
299 {false, m_surface_mode_scan_height, 64},
305 if (mode >= MINIMAP_MODE_COUNT)
308 JMutexAutoLock lock(m_mutex);
310 data->is_radar = modedefs[mode].is_radar;
311 data->scan_height = modedefs[mode].scan_height;
312 data->map_size = modedefs[mode].map_size;
315 m_minimap_update_thread->deferUpdate();
318 void Mapper::setPos(v3s16 pos)
320 bool do_update = false;
323 JMutexAutoLock lock(m_mutex);
325 if (pos != data->old_pos) {
326 data->old_pos = data->pos;
333 m_minimap_update_thread->deferUpdate();
336 void Mapper::setAngle(f32 angle)
341 void Mapper::blitMinimapPixelsToImageRadar(video::IImage *map_image)
343 for (s16 x = 0; x < data->map_size; x++)
344 for (s16 z = 0; z < data->map_size; z++) {
345 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
347 video::SColor c(240, 0, 0, 0);
348 if (mmpixel->air_count > 0)
349 c.setGreen(core::clamp(core::round32(32 + mmpixel->air_count * 8), 0, 255));
351 map_image->setPixel(x, data->map_size - z - 1, c);
355 void Mapper::blitMinimapPixelsToImageSurface(
356 video::IImage *map_image, video::IImage *heightmap_image)
358 for (s16 x = 0; x < data->map_size; x++)
359 for (s16 z = 0; z < data->map_size; z++) {
360 MinimapPixel *mmpixel = &data->minimap_scan[x + z * data->map_size];
362 video::SColor c = m_ndef->get(mmpixel->id).minimap_color;
365 map_image->setPixel(x, data->map_size - z - 1, c);
367 u32 h = mmpixel->height;
368 heightmap_image->setPixel(x,data->map_size - z - 1,
369 video::SColor(255, h, h, h));
373 video::ITexture *Mapper::getMinimapTexture()
375 // update minimap textures when new scan is ready
376 if (data->map_invalidated)
377 return data->texture;
379 // create minimap and heightmap images in memory
380 core::dimension2d<u32> dim(data->map_size, data->map_size);
381 video::IImage *map_image = driver->createImage(video::ECF_A8R8G8B8, dim);
382 video::IImage *heightmap_image = driver->createImage(video::ECF_A8R8G8B8, dim);
383 video::IImage *minimap_image = driver->createImage(video::ECF_A8R8G8B8,
384 core::dimension2d<u32>(MINIMAP_MAX_SX, MINIMAP_MAX_SY));
386 // Blit MinimapPixels to images
388 blitMinimapPixelsToImageRadar(map_image);
390 blitMinimapPixelsToImageSurface(map_image, heightmap_image);
392 map_image->copyToScaling(minimap_image);
395 video::IImage *minimap_mask = data->minimap_shape_round ?
396 data->minimap_mask_round : data->minimap_mask_square;
399 for (s16 y = 0; y < MINIMAP_MAX_SY; y++)
400 for (s16 x = 0; x < MINIMAP_MAX_SX; x++) {
401 video::SColor mask_col = minimap_mask->getPixel(x, y);
402 if (!mask_col.getAlpha())
403 minimap_image->setPixel(x, y, video::SColor(0,0,0,0));
408 driver->removeTexture(data->texture);
409 if (data->heightmap_texture)
410 driver->removeTexture(data->heightmap_texture);
412 data->texture = driver->addTexture("minimap__", minimap_image);
413 data->heightmap_texture =
414 driver->addTexture("minimap_heightmap__", heightmap_image);
415 minimap_image->drop();
416 heightmap_image->drop();
418 data->map_invalidated = true;
420 return data->texture;
423 v3f Mapper::getYawVec()
425 if (data->minimap_shape_round) {
427 cos(m_angle * core::DEGTORAD),
428 sin(m_angle * core::DEGTORAD),
431 return v3f(1.0, 0.0, 1.0);
435 scene::SMeshBuffer *Mapper::getMinimapMeshBuffer()
437 scene::SMeshBuffer *buf = new scene::SMeshBuffer();
438 buf->Vertices.set_used(4);
439 buf->Indices.set_used(6);
440 video::SColor c(255, 255, 255, 255);
442 buf->Vertices[0] = video::S3DVertex(-1, -1, 0, 0, 0, 1, c, 0, 1);
443 buf->Vertices[1] = video::S3DVertex(-1, 1, 0, 0, 0, 1, c, 0, 0);
444 buf->Vertices[2] = video::S3DVertex( 1, 1, 0, 0, 0, 1, c, 1, 0);
445 buf->Vertices[3] = video::S3DVertex( 1, -1, 0, 0, 0, 1, c, 1, 1);
457 void Mapper::drawMinimap()
459 video::ITexture *minimap_texture = getMinimapTexture();
460 if (!minimap_texture)
463 v2u32 screensize = porting::getWindowSize();
464 const u32 size = 0.25 * screensize.Y;
466 core::rect<s32> oldViewPort = driver->getViewPort();
467 core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
468 core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
470 driver->setViewPort(core::rect<s32>(
471 screensize.X - size - 10, 10,
472 screensize.X - 10, size + 10));
473 driver->setTransform(video::ETS_PROJECTION, core::matrix4());
474 driver->setTransform(video::ETS_VIEW, core::matrix4());
476 core::matrix4 matrix;
477 matrix.makeIdentity();
479 video::SMaterial &material = m_meshbuffer->getMaterial();
480 material.setFlag(video::EMF_TRILINEAR_FILTER, true);
481 material.Lighting = false;
482 material.TextureLayer[0].Texture = minimap_texture;
483 material.TextureLayer[1].Texture = data->heightmap_texture;
485 if (m_enable_shaders && !data->is_radar) {
486 u16 sid = m_shdrsrc->getShader("minimap_shader", 1, 1);
487 material.MaterialType = m_shdrsrc->getShaderInfo(sid).material;
489 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
492 if (data->minimap_shape_round)
493 matrix.setRotationDegrees(core::vector3df(0, 0, 360 - m_angle));
496 driver->setTransform(video::ETS_WORLD, matrix);
497 driver->setMaterial(material);
498 driver->drawMeshBuffer(m_meshbuffer);
501 video::ITexture *minimap_overlay = data->minimap_shape_round ?
502 data->minimap_overlay_round : data->minimap_overlay_square;
503 material.TextureLayer[0].Texture = minimap_overlay;
504 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
505 driver->setMaterial(material);
506 driver->drawMeshBuffer(m_meshbuffer);
508 // If round minimap, draw player marker
509 if (!data->minimap_shape_round) {
510 matrix.setRotationDegrees(core::vector3df(0, 0, m_angle));
511 material.TextureLayer[0].Texture = data->player_marker;
513 driver->setTransform(video::ETS_WORLD, matrix);
514 driver->setMaterial(material);
515 driver->drawMeshBuffer(m_meshbuffer);
518 // Reset transformations
519 driver->setTransform(video::ETS_VIEW, oldViewMat);
520 driver->setTransform(video::ETS_PROJECTION, oldProjMat);
521 driver->setViewPort(oldViewPort);
528 void MinimapMapblock::getMinimapNodes(VoxelManipulator *vmanip, v3s16 pos)
531 for (s16 x = 0; x < MAP_BLOCKSIZE; x++)
532 for (s16 z = 0; z < MAP_BLOCKSIZE; z++) {
534 bool surface_found = false;
535 MinimapPixel *mmpixel = &data[z * MAP_BLOCKSIZE + x];
537 for (s16 y = MAP_BLOCKSIZE -1; y >= 0; y--) {
539 MapNode n = vmanip->getNodeNoEx(pos + p);
540 if (!surface_found && n.getContent() != CONTENT_AIR) {
542 mmpixel->id = n.getContent();
543 surface_found = true;
544 } else if (n.getContent() == CONTENT_AIR) {
550 mmpixel->id = CONTENT_AIR;
552 mmpixel->air_count = air_count;