473 lines
13 KiB
C++
473 lines
13 KiB
C++
/*
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Minetest
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Copyright (C) 2010-2015 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "minimap.h"
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#include "logoutputbuffer.h"
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#include "jthread/jmutexautolock.h"
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#include "clientmap.h"
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#include "settings.h"
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#include "nodedef.h"
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#include "porting.h"
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#include "util/numeric.h"
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#include "util/string.h"
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#include <math.h>
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QueuedMinimapUpdate::QueuedMinimapUpdate():
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pos(-1337,-1337,-1337),
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data(NULL)
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{
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}
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QueuedMinimapUpdate::~QueuedMinimapUpdate()
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{
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delete data;
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}
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MinimapUpdateQueue::MinimapUpdateQueue()
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{
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}
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MinimapUpdateQueue::~MinimapUpdateQueue()
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{
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JMutexAutoLock lock(m_mutex);
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for (std::vector<QueuedMinimapUpdate*>::iterator
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i = m_queue.begin();
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i != m_queue.end(); i++)
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{
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QueuedMinimapUpdate *q = *i;
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delete q;
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}
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}
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void MinimapUpdateQueue::addBlock(v3s16 pos, MinimapMapblock *data)
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{
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DSTACK(__FUNCTION_NAME);
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JMutexAutoLock lock(m_mutex);
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/*
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Find if block is already in queue.
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If it is, update the data and quit.
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*/
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for (std::vector<QueuedMinimapUpdate*>::iterator
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i = m_queue.begin();
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i != m_queue.end(); i++)
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{
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QueuedMinimapUpdate *q = *i;
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if (q->pos == pos) {
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delete q->data;
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q->data = data;
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return;
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}
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}
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/*
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Add the block
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*/
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QueuedMinimapUpdate *q = new QueuedMinimapUpdate;
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q->pos = pos;
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q->data = data;
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m_queue.push_back(q);
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}
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QueuedMinimapUpdate * MinimapUpdateQueue::pop()
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{
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JMutexAutoLock lock(m_mutex);
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for (std::vector<QueuedMinimapUpdate*>::iterator
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i = m_queue.begin();
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i != m_queue.end(); i++)
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{
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QueuedMinimapUpdate *q = *i;
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m_queue.erase(i);
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return q;
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}
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return NULL;
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}
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/*
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Minimap update thread
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*/
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void *MinimapUpdateThread::Thread()
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{
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ThreadStarted();
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log_register_thread("MinimapUpdateThread");
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DSTACK(__FUNCTION_NAME);
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BEGIN_DEBUG_EXCEPTION_HANDLER
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porting::setThreadName("MinimapUpdateThread");
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while (!StopRequested()) {
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while (m_queue.size()) {
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QueuedMinimapUpdate *q = m_queue.pop();
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std::map<v3s16, MinimapMapblock *>::iterator it;
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it = m_blocks_cache.find(q->pos);
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if (q->data) {
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m_blocks_cache[q->pos] = q->data;
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} else if (it != m_blocks_cache.end()) {
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delete it->second;
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m_blocks_cache.erase(it);
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}
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}
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if (data->map_invalidated) {
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if (data->mode != MINIMAP_MODE_OFF) {
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getMap(data->pos, data->map_size, data->scan_height, data->radar);
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data->map_invalidated = false;
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}
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}
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// sleep_ms(10);
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}
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END_DEBUG_EXCEPTION_HANDLER(errorstream)
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return NULL;
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}
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MinimapPixel *MinimapUpdateThread::getMinimapPixel (v3s16 pos, s16 height, s16 &pixel_height)
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{
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pixel_height = height - MAP_BLOCKSIZE;
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v3s16 blockpos_max, blockpos_min, relpos;
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getNodeBlockPosWithOffset(v3s16(pos.X, pos.Y - height / 2, pos.Z), blockpos_min, relpos);
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getNodeBlockPosWithOffset(v3s16(pos.X, pos.Y + height / 2, pos.Z), blockpos_max, relpos);
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std::map<v3s16, MinimapMapblock *>::iterator it;
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for (s16 i = blockpos_max.Y; i > blockpos_min.Y - 1; i--) {
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it = m_blocks_cache.find(v3s16(blockpos_max.X, i, blockpos_max.Z));
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if (it != m_blocks_cache.end()) {
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MinimapPixel *pixel = &it->second->data[relpos.X + relpos.Z * MAP_BLOCKSIZE];
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if (pixel->id != CONTENT_AIR) {
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pixel_height += pixel->height;
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return pixel;
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}
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}
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pixel_height -= MAP_BLOCKSIZE;
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}
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return NULL;
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}
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s16 MinimapUpdateThread::getAirCount (v3s16 pos, s16 height)
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{
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s16 air_count = 0;
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v3s16 blockpos_max, blockpos_min, relpos;
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getNodeBlockPosWithOffset(v3s16(pos.X, pos.Y - height / 2, pos.Z), blockpos_min, relpos);
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getNodeBlockPosWithOffset(v3s16(pos.X, pos.Y + height / 2, pos.Z), blockpos_max, relpos);
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std::map<v3s16, MinimapMapblock *>::iterator it;
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for (s16 i = blockpos_max.Y; i > blockpos_min.Y - 1; i--) {
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it = m_blocks_cache.find(v3s16(blockpos_max.X, i, blockpos_max.Z));
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if (it != m_blocks_cache.end()) {
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MinimapPixel *pixel = &it->second->data[relpos.X + relpos.Z * MAP_BLOCKSIZE];
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air_count += pixel->air_count;
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}
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}
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return air_count;
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}
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void MinimapUpdateThread::getMap (v3s16 pos, s16 size, s16 height, bool radar)
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{
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v3s16 p = v3s16 (pos.X - size / 2, pos.Y, pos.Z - size / 2);
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for (s16 x = 0; x < size; x++) {
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for (s16 z = 0; z < size; z++){
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u16 id = CONTENT_AIR;
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MinimapPixel* minimap_pixel = &data->minimap_scan[x + z * size];
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if (!radar) {
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s16 pixel_height = 0;
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MinimapPixel* cached_pixel =
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getMinimapPixel(v3s16(p.X + x, p.Y, p.Z + z), height, pixel_height);
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if (cached_pixel) {
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id = cached_pixel->id;
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minimap_pixel->height = pixel_height;
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}
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} else {
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minimap_pixel->air_count = getAirCount (v3s16(p.X + x, p.Y, p.Z + z), height);
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}
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minimap_pixel->id = id;
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}
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}
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}
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Mapper::Mapper(IrrlichtDevice *device, Client *client)
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{
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this->device = device;
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this->client = client;
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this->driver = device->getVideoDriver();
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this->tsrc = client->getTextureSource();
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this->player = client->getEnv().getLocalPlayer();
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this->shdrsrc = client->getShaderSource();
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m_enable_shaders = g_settings->getBool("enable_shaders");
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data = new MinimapData;
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data->mode = MINIMAP_MODE_OFF;
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data->radar = false;
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data->map_invalidated = true;
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data->heightmap_image = NULL;
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data->minimap_image = NULL;
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data->texture = NULL;
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data->minimap_shape_round = g_settings->getBool("minimap_shape_round");
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std::string fname1 = "minimap_mask_round.png";
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std::string fname2 = "minimap_overlay_round.png";
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data->minimap_mask_round = driver->createImage (tsrc->getTexture(fname1),
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core::position2d<s32>(0,0), core::dimension2d<u32>(512,512));
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data->minimap_overlay_round = tsrc->getTexture(fname2);
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fname1 = "minimap_mask_square.png";
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fname2 = "minimap_overlay_square.png";
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data->minimap_mask_square = driver->createImage (tsrc->getTexture(fname1),
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core::position2d<s32>(0,0), core::dimension2d<u32>(512,512));
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data->minimap_overlay_square = tsrc->getTexture(fname2);
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data->player_marker = tsrc->getTexture("player_marker.png");
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m_meshbuffer = getMinimapMeshBuffer();
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m_minimap_update_thread = new MinimapUpdateThread(device, client);
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m_minimap_update_thread->data = data;
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m_minimap_update_thread->Start();
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}
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Mapper::~Mapper()
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{
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m_minimap_update_thread->Stop();
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m_minimap_update_thread->Wait();
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for (std::map<v3s16, MinimapMapblock *>::iterator
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it = m_minimap_update_thread->m_blocks_cache.begin();
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it != m_minimap_update_thread->m_blocks_cache.end(); it++){
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delete it->second;
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}
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m_meshbuffer->drop();
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data->minimap_mask_round->drop();
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data->minimap_mask_square->drop();
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driver->removeTexture(data->texture);
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driver->removeTexture(data->heightmap_texture);
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driver->removeTexture(data->minimap_overlay_round);
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driver->removeTexture(data->minimap_overlay_square);
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delete data;
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delete m_minimap_update_thread;
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}
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void Mapper::addBlock (v3s16 pos, MinimapMapblock *data)
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{
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m_minimap_update_thread->m_queue.addBlock(pos, data);
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}
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MinimapMode Mapper::getMinimapMode()
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{
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return data->mode;
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}
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void Mapper::toggleMinimapShape()
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{
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data->minimap_shape_round = !data->minimap_shape_round;
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g_settings->setBool(("minimap_shape_round"), data->minimap_shape_round);
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}
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void Mapper::setMinimapMode(MinimapMode mode)
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{
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static const u16 modeDefs[7 * 3] = {
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0, 0, 0,
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0, 256, 256,
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0, 256, 128,
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0, 256, 64,
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1, 32, 128,
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1, 32, 64,
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1, 32, 32};
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JMutexAutoLock lock(m_mutex);
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data->radar = (bool)modeDefs[(int)mode * 3];
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data->scan_height = modeDefs[(int)mode * 3 + 1];
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data->map_size = modeDefs[(int)mode * 3 + 2];
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data->mode = mode;
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}
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void Mapper::setPos(v3s16 pos)
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{
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JMutexAutoLock lock(m_mutex);
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data->pos = pos;
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}
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video::ITexture *Mapper::getMinimapTexture()
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{
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// update minimap textures when new scan is ready
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if (!data->map_invalidated) {
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// create minimap and heightmap image
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core::dimension2d<u32> dim(data->map_size,data->map_size);
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video::IImage *map_image = driver->createImage(video::ECF_A8R8G8B8, dim);
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video::IImage *heightmap_image = driver->createImage(video::ECF_A8R8G8B8, dim);
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video::IImage *minimap_image = driver->createImage(video::ECF_A8R8G8B8,
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core::dimension2d<u32>(512, 512));
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video::SColor c;
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if (!data->radar) {
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// surface mode
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for (s16 x = 0; x < data->map_size; x++) {
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for (s16 z = 0; z < data->map_size; z++) {
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MinimapPixel* minimap_pixel = &data->minimap_scan[x + z * data->map_size];
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const ContentFeatures &f = client->getNodeDefManager()->get(minimap_pixel->id);
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c = f.minimap_color;
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c.setAlpha(240);
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map_image->setPixel(x, data->map_size - z -1, c);
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u32 h = minimap_pixel->height;
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heightmap_image->setPixel(x,data->map_size -z -1,
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video::SColor(255, h, h, h));
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}
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}
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} else {
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// radar mode
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c = video::SColor (240, 0 , 0, 0);
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for (s16 x = 0; x < data->map_size; x++) {
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for (s16 z = 0; z < data->map_size; z++) {
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MinimapPixel* minimap_pixel = &data->minimap_scan[x + z * data->map_size];
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if (minimap_pixel->air_count > 0) {
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c.setGreen(core::clamp(core::round32(32 + minimap_pixel->air_count * 8), 0, 255));
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} else {
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c.setGreen(0);
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}
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map_image->setPixel(x, data->map_size - z -1, c);
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}
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}
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}
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map_image->copyToScaling(minimap_image);
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map_image->drop();
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video::IImage *minimap_mask;
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if (data->minimap_shape_round) {
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minimap_mask = data->minimap_mask_round;
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} else {
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minimap_mask = data->minimap_mask_square;
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}
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for (s16 x = 0; x < 512; x++) {
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for (s16 y = 0; y < 512; y++) {
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video::SColor mask_col = minimap_mask->getPixel(x, y);
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if (!mask_col.getAlpha()) {
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minimap_image->setPixel(x, y, video::SColor(0,0,0,0));
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}
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}
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}
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if (data->texture) {
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driver->removeTexture(data->texture);
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}
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if (data->heightmap_texture) {
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driver->removeTexture(data->heightmap_texture);
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}
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data->texture = driver->addTexture("minimap__", minimap_image);
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data->heightmap_texture = driver->addTexture("minimap_heightmap__", heightmap_image);
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minimap_image->drop();
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heightmap_image->drop();
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data->map_invalidated = true;
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}
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return data->texture;
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}
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v3f Mapper::getYawVec()
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{
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if (data->minimap_shape_round) {
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return v3f(cos(player->getYaw()* core::DEGTORAD),
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sin(player->getYaw()* core::DEGTORAD), 1.0);
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} else {
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return v3f(1.0, 0.0, 1.0);
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}
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}
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scene::SMeshBuffer *Mapper::getMinimapMeshBuffer()
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{
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scene::SMeshBuffer *buf = new scene::SMeshBuffer();
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buf->Vertices.set_used(4);
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buf->Indices .set_used(6);
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video::SColor c(255, 255, 255, 255);
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buf->Vertices[0] = video::S3DVertex(-1, -1, 0, 0, 0, 1, c, 0, 1);
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buf->Vertices[1] = video::S3DVertex(-1, 1, 0, 0, 0, 1, c, 0, 0);
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buf->Vertices[2] = video::S3DVertex( 1, 1, 0, 0, 0, 1, c, 1, 0);
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buf->Vertices[3] = video::S3DVertex( 1, -1, 0, 0, 0, 1, c, 1, 1);
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buf->Indices[0] = 0;
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buf->Indices[1] = 1;
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buf->Indices[2] = 2;
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buf->Indices[3] = 2;
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buf->Indices[4] = 3;
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buf->Indices[5] = 0;
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return buf;
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}
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void Mapper::drawMinimap()
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{
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v2u32 screensize = porting::getWindowSize();
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u32 size = 0.25 * screensize.Y;
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video::ITexture* minimap_texture = getMinimapTexture();
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core::matrix4 matrix;
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core::rect<s32> oldViewPort = driver->getViewPort();
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driver->setViewPort(core::rect<s32>(screensize.X - size - 10, 10,
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screensize.X - 10, size + 10));
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core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
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driver->setTransform(video::ETS_PROJECTION, core::matrix4());
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core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
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driver->setTransform(video::ETS_VIEW, core::matrix4());
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matrix.makeIdentity();
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if (minimap_texture) {
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video::SMaterial& material = m_meshbuffer->getMaterial();
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material.setFlag(video::EMF_TRILINEAR_FILTER, true);
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material.Lighting = false;
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material.TextureLayer[0].Texture = minimap_texture;
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material.TextureLayer[1].Texture = data->heightmap_texture;
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if (m_enable_shaders && !data->radar) {
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u16 sid = shdrsrc->getShader("minimap_shader", 1, 1);
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material.MaterialType = shdrsrc->getShaderInfo(sid).material;
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} else {
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material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
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}
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if (data->minimap_shape_round)
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matrix.setRotationDegrees(core::vector3df(0, 0, 360 - player->getYaw()));
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driver->setTransform(video::ETS_WORLD, matrix);
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driver->setMaterial(material);
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driver->drawMeshBuffer(m_meshbuffer);
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video::ITexture *minimap_overlay;
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if (data->minimap_shape_round) {
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minimap_overlay = data->minimap_overlay_round;
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} else {
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minimap_overlay = data->minimap_overlay_square;
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}
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material.TextureLayer[0].Texture = minimap_overlay;
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material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
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driver->setMaterial(material);
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driver->drawMeshBuffer(m_meshbuffer);
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if (!data->minimap_shape_round) {
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matrix.setRotationDegrees(core::vector3df(0, 0, player->getYaw()));
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driver->setTransform(video::ETS_WORLD, matrix);
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material.TextureLayer[0].Texture = data->player_marker;
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driver->setMaterial(material);
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driver->drawMeshBuffer(m_meshbuffer);
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}
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}
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driver->setTransform(video::ETS_VIEW, oldViewMat);
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driver->setTransform(video::ETS_PROJECTION, oldProjMat);
|
|
driver->setViewPort(oldViewPort);
|
|
}
|