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authorLoïc Blot <nerzhul@users.noreply.github.com>2017-09-26 00:11:20 +0200
committerGitHub <noreply@github.com>2017-09-26 00:11:20 +0200
commit6f1c90720402415b62fb4d5e809ec7dbc1cd7f96 (patch)
tree6f94c2bbc2d343be50945a0074bc16da282a4bc1 /lib/lua/src/ltable.h
parent6df312a608912b3cb21d04532151e29e8b0c7301 (diff)
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Implement mod communication channels (#6351)
Implement network communication for channels * Implement ModChannel manager server side to route incoming messages from clients to other clients * Add signal handler switch on client & ModChannelMgr on client to handle channels * Add Lua API bindings + client packet sending + unittests * Implement server message sending * Add callback from received message handler to Lua API using registration method
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/*
Minetest
Copyright (C) 2010-2013 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 "irrlichttypes_extrabloated.h"
#include "inventory.h"
#include "client/tile.h"
#include <ICameraSceneNode.h>
#include <ISceneNode.h>
#include <list>

class LocalPlayer;
struct MapDrawControl;
class Client;
class WieldMeshSceneNode;

struct Nametag {
	Nametag(scene::ISceneNode *a_parent_node,
			const std::string &a_nametag_text,
			const video::SColor &a_nametag_color,
			const v3f &a_nametag_pos):
		parent_node(a_parent_node),
		nametag_text(a_nametag_text),
		nametag_color(a_nametag_color),
		nametag_pos(a_nametag_pos)
	{
	}
	scene::ISceneNode *parent_node;
	std::string nametag_text;
	video::SColor nametag_color;
	v3f nametag_pos;
};

enum CameraMode {CAMERA_MODE_FIRST, CAMERA_MODE_THIRD, CAMERA_MODE_THIRD_FRONT};

/*
	Client camera class, manages the player and camera scene nodes, the viewing distance
	and performs view bobbing etc. It also displays the wielded tool in front of the
	first-person camera.
*/
class Camera
{
public:
	Camera(MapDrawControl &draw_control, Client *client);
	~Camera();

	// Get camera scene node.
	// It has the eye transformation, pitch and view bobbing applied.
	inline scene::ICameraSceneNode* getCameraNode() const
	{
		return m_cameranode;
	}

	// Get the camera position (in absolute scene coordinates).
	// This has view bobbing applied.
	inline v3f getPosition() const
	{
		return m_camera_position;
	}

	// Get the camera direction (in absolute camera coordinates).
	// This has view bobbing applied.
	inline v3f getDirection() const
	{
		return m_camera_direction;
	}

	// Get the camera offset
	inline v3s16 getOffset() const
	{
		return m_camera_offset;
	}

	// Horizontal field of view
	inline f32 getFovX() const
	{
		return m_fov_x;
	}

	// Vertical field of view
	inline f32 getFovY() const
	{
		return m_fov_y;
	}

	// Get maximum of getFovX() and getFovY()
	inline f32 getFovMax() const
	{
		return MYMAX(m_fov_x, m_fov_y);
	}

	// Checks if the constructor was able to create the scene nodes
	bool successfullyCreated(std::string &error_message);

	// Step the camera: updates the viewing range and view bobbing.
	void step(f32 dtime);

	// Update the camera from the local player's position.
	// busytime is used to adjust the viewing range.
	void update(LocalPlayer* player, f32 frametime, f32 busytime,
			f32 tool_reload_ratio);

	// Update render distance
	void updateViewingRange();

	// Start digging animation
	// Pass 0 for left click, 1 for right click
	void setDigging(s32 button);

	// Replace the wielded item mesh
	void wield(const ItemStack &item);

	// Draw the wielded tool.
	// This has to happen *after* the main scene is drawn.
	// Warning: This clears the Z buffer.
	void drawWieldedTool(irr::core::matrix4* translation=NULL);

	// Toggle the current camera mode
	void toggleCameraMode() {
		if (m_camera_mode == CAMERA_MODE_FIRST)
			m_camera_mode = CAMERA_MODE_THIRD;
		else if (m_camera_mode == CAMERA_MODE_THIRD)
			m_camera_mode = CAMERA_MODE_THIRD_FRONT;
		else
			m_camera_mode = CAMERA_MODE_FIRST;
	}

	// Set the current camera mode
	inline void setCameraMode(CameraMode mode)
	{
		m_camera_mode = mode;
	}

	//read the current camera mode
	inline CameraMode getCameraMode()
	{
		return m_camera_mode;
	}

	Nametag *addNametag(scene::ISceneNode *parent_node,
		const std::string &nametag_text, video::SColor nametag_color,
		const v3f &pos);

	void removeNametag(Nametag *nametag);

	const std::list<Nametag *> &getNametags() { return m_nametags; }

	void drawNametags();

	inline void addArmInertia(f32 player_yaw);

private:
	// Nodes
	scene::ISceneNode *m_playernode = nullptr;
	scene::ISceneNode *m_headnode = nullptr;