minetest/src/client/minimap.h
2021-01-22 15:09:26 +00:00

177 lines
4.5 KiB
C++

/*
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.
*/
#pragma once
#include "../hud.h"
#include "irrlichttypes_extrabloated.h"
#include "util/thread.h"
#include "voxel.h"
#include <map>
#include <string>
#include <vector>
class Client;
class ITextureSource;
class IShaderSource;
#define MINIMAP_MAX_SX 512
#define MINIMAP_MAX_SY 512
enum MinimapShape {
MINIMAP_SHAPE_SQUARE,
MINIMAP_SHAPE_ROUND,
};
struct MinimapModeDef {
MinimapType type;
std::string label;
u16 scan_height;
u16 map_size;
std::string texture;
u16 scale;
};
struct MinimapMarker {
MinimapMarker(scene::ISceneNode *parent_node):
parent_node(parent_node)
{
}
scene::ISceneNode *parent_node;
};
struct MinimapPixel {
//! The topmost node that the minimap displays.
MapNode n;
u16 height;
u16 air_count;
};
struct MinimapMapblock {
void getMinimapNodes(VoxelManipulator *vmanip, const v3s16 &pos);
MinimapPixel data[MAP_BLOCKSIZE * MAP_BLOCKSIZE];
};
struct MinimapData {
MinimapModeDef mode;
v3s16 pos;
v3s16 old_pos;
MinimapPixel minimap_scan[MINIMAP_MAX_SX * MINIMAP_MAX_SY];
bool map_invalidated;
bool minimap_shape_round;
video::IImage *minimap_mask_round = nullptr;
video::IImage *minimap_mask_square = nullptr;
video::ITexture *texture = nullptr;
video::ITexture *heightmap_texture = nullptr;
video::ITexture *minimap_overlay_round = nullptr;
video::ITexture *minimap_overlay_square = nullptr;
video::ITexture *player_marker = nullptr;
video::ITexture *object_marker_red = nullptr;
};
struct QueuedMinimapUpdate {
v3s16 pos;
MinimapMapblock *data = nullptr;
};
class MinimapUpdateThread : public UpdateThread {
public:
MinimapUpdateThread() : UpdateThread("Minimap") {}
virtual ~MinimapUpdateThread();
void getMap(v3s16 pos, s16 size, s16 height);
void enqueueBlock(v3s16 pos, MinimapMapblock *data);
bool pushBlockUpdate(v3s16 pos, MinimapMapblock *data);
bool popBlockUpdate(QueuedMinimapUpdate *update);
MinimapData *data = nullptr;
protected:
virtual void doUpdate();
private:
std::mutex m_queue_mutex;
std::deque<QueuedMinimapUpdate> m_update_queue;
std::map<v3s16, MinimapMapblock *> m_blocks_cache;
};
class Minimap {
public:
Minimap(Client *client);
~Minimap();
void addBlock(v3s16 pos, MinimapMapblock *data);
v3f getYawVec();
void setPos(v3s16 pos);
v3s16 getPos() const { return data->pos; }
void setAngle(f32 angle);
f32 getAngle() const { return m_angle; }
void toggleMinimapShape();
void setMinimapShape(MinimapShape shape);
MinimapShape getMinimapShape();
void clearModes() { m_modes.clear(); };
void addMode(MinimapModeDef mode);
void addMode(MinimapType type, u16 size = 0, std::string label = "",
std::string texture = "", u16 scale = 1);
void setModeIndex(size_t index);
size_t getModeIndex() const { return m_current_mode_index; };
size_t getMaxModeIndex() const { return m_modes.size() - 1; };
void nextMode();
MinimapModeDef getModeDef() const { return data->mode; }
video::ITexture *getMinimapTexture();
void blitMinimapPixelsToImageRadar(video::IImage *map_image);
void blitMinimapPixelsToImageSurface(video::IImage *map_image,
video::IImage *heightmap_image);
scene::SMeshBuffer *getMinimapMeshBuffer();
MinimapMarker* addMarker(scene::ISceneNode *parent_node);
void removeMarker(MinimapMarker **marker);
void updateActiveMarkers();
void drawMinimap();
void drawMinimap(core::rect<s32> rect);
video::IVideoDriver *driver;
Client* client;
MinimapData *data;
private:
ITextureSource *m_tsrc;
IShaderSource *m_shdrsrc;
const NodeDefManager *m_ndef;
MinimapUpdateThread *m_minimap_update_thread = nullptr;
scene::SMeshBuffer *m_meshbuffer;
bool m_enable_shaders;
std::vector<MinimapModeDef> m_modes;
size_t m_current_mode_index;
u16 m_surface_mode_scan_height;
f32 m_angle;
std::mutex m_mutex;
std::list<MinimapMarker*> m_markers;
std::list<v2f> m_active_markers;
};