index : minetest.git	gpcf lifo-fixes release
	modified minetest for gpcfs purposes	gpcf

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path: root/src/script/cpp_api

Mode	Name	Size
-rw-r--r--	CMakeLists.txt	563	logplain
-rw-r--r--	s_base.cpp	6289	logplain
-rw-r--r--	s_base.h	2453	logplain
-rw-r--r--	s_entity.cpp	8065	logplain
-rw-r--r--	s_entity.h	1542	logplain
-rw-r--r--	s_env.cpp	4532	logplain
-rw-r--r--	s_env.h	1312	logplain
-rw-r--r--	s_internal.h	2282	logplain
-rw-r--r--	s_inventory.cpp	7932	logplain
-rw-r--r--	s_inventory.h	2342	logplain
-rw-r--r--	s_item.cpp	6487	logplain
-rw-r--r--	s_item.h	1887	logplain
-rw-r--r--	s_mainmenu.cpp	2634	logplain
-rw-r--r--	s_mainmenu.h	1442	logplain
-rw-r--r--	s_node.cpp	7299	logplain
-rw-r--r--	s_node.h	1949	logplain
-rw-r--r--	s_nodemeta.cpp	8236	logplain
-rw-r--r--	s_nodemeta.h	2220	logplain
-rw-r--r--	s_player.cpp	3885	logplain
-rw-r--r--	s_player.h	1463	logplain
-rw-r--r--	s_server.cpp	4722	logplain
-rw-r--r--	s_server.h	1559	logplain

generated by cgit v1.2.3 (git 2.39.1) at 2025-02-12 01:12:31 +0000

/*
Minetest
Copyright (C) 2010-2017 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.
*/

#include "util/serialize.h"
#include "util/pointedthing.h"
#include "client.h"
#include "clientenvironment.h"
#include "clientsimpleobject.h"
#include "clientmap.h"
#include "scripting_client.h"
#include "mapblock_mesh.h"
#include "mtevent.h"
#include "collision.h"
#include "nodedef.h"
#include "profiler.h"
#include "raycast.h"
#include "voxelalgorithms.h"
#include "settings.h"
#include "shader.h"
#include "content_cao.h"
#include <algorithm>
#include "client/renderingengine.h"

/*
	CAOShaderConstantSetter
*/

//! Shader constant setter for passing material emissive color to the CAO object_shader
class CAOShaderConstantSetter : public IShaderConstantSetter
{
public:
	CAOShaderConstantSetter():
			m_emissive_color_setting("emissiveColor")
	{}

	~CAOShaderConstantSetter() override = default;

	void onSetConstants(video::IMaterialRendererServices *services) override
	{
		// Ambient color
		video::SColorf emissive_color(m_emissive_color);

		float as_array[4] = {
			emissive_color.r,
			emissive_color.g,
			emissive_color.b,
			emissive_color.a,
		};
		m_emissive_color_setting.set(as_array, services);
	}

	void onSetMaterial(const video::SMaterial& material) override
	{
		m_emissive_color = material.EmissiveColor;
	}

private:
	video::SColor m_emissive_color;
	CachedPixelShaderSetting<float, 4> m_emissive_color_setting;
};

class CAOShaderConstantSetterFactory : public IShaderConstantSetterFactory
{
public:
	CAOShaderConstantSetterFactory()
	{}

	virtual IShaderConstantSetter* create()
	{
		return new CAOShaderConstantSetter();
	}
};

/*
	ClientEnvironment
*/

ClientEnvironment::ClientEnvironment(ClientMap *map,
	ITextureSource *texturesource, Client *client):
	Environment(client),
	m_map(map),
	m_texturesource(texturesource),
	m_client(client)
{
	auto *shdrsrc = m_client->getShaderSource();
	shdrsrc->addShaderConstantSetterFactory(new CAOShaderConstantSetterFactory());
}

ClientEnvironment::~ClientEnvironment()
{
	m_ao_manager.clear();

	for (auto &simple_object : m_simple_objects) {
		delete simple_object;
	}

	// Drop/delete map
	m_map->drop();

	delete m_local_player;
}

Map & ClientEnvironment::getMap()
{
	return *m_map;
}

ClientMap & ClientEnvironment::getClientMap()
{
	return *m_map;
}

void ClientEnvironment::setLocalPlayer(LocalPlayer *player)
{
	/*
		It is a failure if already is a local player
	*/
	FATAL_ERROR_IF(m_local_player != NULL,
		"Local player already allocated");

	m_local_player = player;
}

void ClientEnvironment::step(float dtime)
{
	/* Step time of day */
	stepTimeOfDay(dtime);

	// Get some settings
	bool fly_allowed = m_client->checkLocalPrivilege("fly");
	bool free_move = fly_allowed && g_settings->getBool("free_move");

	// Get local player
	LocalPlayer *lplayer = getLocalPlayer();
	assert(lplayer);
	// collision info queue
	std::vector<CollisionInfo> player_collisions;

	/*
		Get the speed the player is going
	*/
	bool is_climbing = lplayer->is_climbing;

	f32 player_speed = lplayer->getSpeed().getLength();

	/*
		Maximum position increment
	*/
	//f32 position_max_increment = 0.05*BS;
	f32 position_max_increment = 0.1*BS;

	// Maximum time increment (for collision detection etc)
	// time = distance / speed
	f32 dtime_max_increment = 1;
	if(player_speed > 0.001)
		dtime_max_increment = position_max_increment / player_speed;

	// Maximum time increment is 10ms or lower
	if(dtime_max_increment > 0.01)
		dtime_max_increment = 0.01;

	// Don't allow overly huge dtime
	if(dtime > 0.5)
		dtime = 0.5;

	/*
		Stuff that has a maximum time increment
	*/

	u32 steps = ceil(dtime / dtime_max_increment);
	f32 dtime_part = dtime / steps;
	for (; steps > 0; --steps) {
		/*
			Local player handling
		*/

		// Control local player
		lplayer->applyControl(dtime_part, this);

		// Apply physics
		if (!free_move && !is_climbing) {
			// Gravity
			v3f speed = lplayer->getSpeed();
			if (!lplayer->in_liquid)
				speed.Y -= lplayer->movement_gravity *
					lplayer->physics_override_gravity * dtime_part * 2.0f;

			// Liquid floating / sinking
			if (lplayer->in_liquid && !lplayer->swimming_vertical &&
					!lplayer->swimming_pitch)
				speed.Y -= lplayer->movement_liquid_sink * dtime_part * 2.0f;

			// Liquid resistance
			if (lplayer->in_liquid_stable || lplayer->in_liquid) {
				// How much the node's viscosity blocks movement, ranges
				// between 0 and 1. Should match the scale at which viscosity
				// increase affects other liquid attributes.
				static const f32 viscosity_factor = 0.3f;

				v3f d_wanted = -speed / lplayer->movement_liquid_fluidity;
				f32 dl = d_wanted.getLength();
				if (dl > lplayer->movement_liquid_fluidity_smooth)
					dl = lplayer->movement_liquid_fluidity_smooth;

				dl *= (lplayer->liquid_viscosity * viscosity_factor) +
					(1 - viscosity_factor);
				v3f d = d_wanted.normalize() * (dl * dtime_part * 100.0f);
				speed += d;
			}

			lplayer->setSpeed(speed);
		}

		/*
			Move the lplayer.
			This also does collision detection.
		*/
		lplayer->move(dtime_part, this, position_max_increment,
			&player_collisions);
	}

	bool player_immortal = false;
	f32 player_fall_factor = 1.0f;
	GenericCAO *playercao = lplayer->getCAO();
	if (playercao) {
		player_immortal = playercao->isImmortal();
		int addp_p = itemgroup_get(playercao->getGroups(),
			"fall_damage_add_percent");
		// convert armor group into an usable fall damage factor
		player_fall_factor = 1.0f + (float)addp_p / 100.0f;
	}

	for (const CollisionInfo &info : player_collisions) {
		v3f speed_diff = info.new_speed - info.old_speed;;
		// Handle only fall damage
		// (because otherwise walking against something in fast_move kills you)
		if (speed_diff.Y < 0 || info.old_speed.Y >= 0)
			continue;
		// Get rid of other components
		speed_diff.X = 0;