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/*
Minetest
Copyright (C) 2010-2015 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MINIMAP_HEADER
#define MINIMAP_HEADER
#include "irrlichttypes_extrabloated.h"
#include "client.h"
#include "voxel.h"
#include "jthread/jmutex.h"
#include <map>
#include <string>
#include <vector>
enum MinimapMode {
MINIMAP_MODE_OFF,
MINIMAP_MODE_SURFACEx1,
MINIMAP_MODE_SURFACEx2,
MINIMAP_MODE_SURFACEx4,
MINIMAP_MODE_RADARx1,
MINIMAP_MODE_RADARx2,
MINIMAP_MODE_RADARx4
};
struct MinimapPixel
{
u16 id;
u16 height;
u16 air_count;
u16 light;
};
struct MinimapMapblock
{
MinimapPixel data[MAP_BLOCKSIZE * MAP_BLOCKSIZE];
};
struct MinimapData
{
bool radar;
MinimapMode mode;
v3s16 pos;
v3s16 old_pos;
u16 scan_height;
u16 map_size;
MinimapPixel minimap_scan[512 * 512];
bool map_invalidated;
bool minimap_shape_round;
video::IImage *minimap_image;
video::IImage *heightmap_image;
video::IImage *minimap_mask_round;
video::IImage *minimap_mask_square;
video::ITexture *texture;
video::ITexture *heightmap_texture;
video::ITexture *minimap_overlay_round;
video::ITexture *minimap_overlay_square;
video::ITexture *player_marker;
};
struct QueuedMinimapUpdate
{
v3s16 pos;
MinimapMapblock *data;
QueuedMinimapUpdate();
~QueuedMinimapUpdate();
};
/*
A thread-safe queue of minimap mapblocks update tasks
*/
class MinimapUpdateQueue
{
public:
MinimapUpdateQueue();
~MinimapUpdateQueue();
void addBlock(v3s16 pos, MinimapMapblock *data);
QueuedMinimapUpdate *pop();
u32 size()
{
JMutexAutoLock lock(m_mutex);
return m_queue.size();
}
private:
std::vector<QueuedMinimapUpdate*> m_queue;
JMutex m_mutex;
};
class MinimapUpdateThread : public JThread
{
private:
public:
MinimapUpdateThread(IrrlichtDevice *device, Client *client)
{
this->device = device;
this->client = client;
this->driver = device->getVideoDriver();
this->tsrc = client->getTextureSource();
}
void getMap (v3s16 pos, s16 size, s16 height, bool radar);
MinimapPixel *getMinimapPixel (v3s16 pos, s16 height, s16 &pixel_height);
s16 getAirCount (v3s16 pos, s16 height);
video::SColor getColorFromId(u16 id);
IrrlichtDevice *device;
Client *client;
video::IVideoDriver *driver;
ITextureSource *tsrc;
void *Thread();
MinimapData *data;
MinimapUpdateQueue m_queue;
std::map<v3s16, MinimapMapblock *> m_blocks_cache;
};
class Mapper
{
private:
MinimapUpdateThread *m_minimap_update_thread;
video::ITexture *minimap_texture;
scene::SMeshBuffer *m_meshbuffer;
bool m_enable_shaders;
JMutex m_mutex;
public:
Mapper(IrrlichtDevice *device, Client *client);
~Mapper();
void addBlock(v3s16 pos, MinimapMapblock *data);
void setPos(v3s16 pos);
video::ITexture* getMinimapTexture();
v3f getYawVec();
MinimapMode getMinimapMode();
void setMinimapMode(MinimapMode mode);
void toggleMinimapShape();
scene::SMeshBuffer *getMinimapMeshBuffer();
void drawMinimap();
IrrlichtDevice *device;
Client *client;
video::IVideoDriver *driver;
LocalPlayer *player;
ITextureSource *tsrc;
IShaderSource *shdrsrc;
MinimapData *data;
};
#endif
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