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

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path: root/src/script/lua_api

Mode	Name	Size
-rw-r--r--	CMakeLists.txt	865	logplain
-rw-r--r--	l_base.cpp	1626	logplain
-rw-r--r--	l_base.h	1788	logplain
-rw-r--r--	l_craft.cpp	12086	logplain
-rw-r--r--	l_craft.h	1592	logplain
-rw-r--r--	l_env.cpp	21400	logplain
-rw-r--r--	l_env.h	5699	logplain
-rw-r--r--	l_internal.h	1798	logplain
-rw-r--r--	l_inventory.cpp	13397	logplain
-rw-r--r--	l_inventory.h	3980	logplain
-rw-r--r--	l_item.cpp	14447	logplain
-rw-r--r--	l_item.h	4330	logplain
-rw-r--r--	l_mainmenu.cpp	29704	logplain
-rw-r--r--	l_mainmenu.h	3833	logplain
-rw-r--r--	l_mapgen.cpp	21773	logplain
-rw-r--r--	l_mapgen.h	2616	logplain
-rw-r--r--	l_nodemeta.cpp	8858	logplain
-rw-r--r--	l_nodemeta.h	3014	logplain
-rw-r--r--	l_nodetimer.cpp	4331	logplain
-rw-r--r--	l_nodetimer.h	1773	logplain
-rw-r--r--	l_noise.cpp	10315	logplain
-rw-r--r--	l_noise.h	2971	logplain
-rw-r--r--	l_object.cpp	34154	logplain
-rw-r--r--	l_object.h	6872	logplain
-rw-r--r--	l_particles.cpp	7508	logplain
-rw-r--r--	l_particles.h	1148	logplain
-rw-r--r--	l_rollback.cpp	3324	logplain
-rw-r--r--	l_rollback.h	1278	logplain
-rw-r--r--	l_server.cpp	12985	logplain
-rw-r--r--	l_server.h	2683	logplain
-rw-r--r--	l_settings.cpp	5245	logplain
-rw-r--r--	l_settings.h	1868	logplain
-rw-r--r--	l_util.cpp	8636	logplain
-rw-r--r--	l_util.h	2647	logplain
-rw-r--r--	l_vmanip.cpp	9915	logplain
-rw-r--r--	l_vmanip.h	2232	logplain

generated by cgit v1.2.3 (git 2.39.1) at 2025-06-09 20:58:00 +0000

/*
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.
*/

#include "localplayer.h"

#include "event.h"
#include "collision.h"
#include "gamedef.h"
#include "nodedef.h"
#include "settings.h"
#include "environment.h"
#include "map.h"
#include "util/numeric.h"

/*
	LocalPlayer
*/

LocalPlayer::LocalPlayer(IGameDef *gamedef, const char *name):
	Player(gamedef, name),
	parent(0),
	isAttached(false),
	overridePosition(v3f(0,0,0)),
	last_position(v3f(0,0,0)),
	last_speed(v3f(0,0,0)),
	last_pitch(0),
	last_yaw(0),
	last_keyPressed(0),
	camera_impact(0.f),
	last_animation(NO_ANIM),
	hotbar_image(""),
	hotbar_selected_image(""),
	light_color(255,255,255,255),
	m_sneak_node(32767,32767,32767),
	m_sneak_node_exists(false),
	m_need_to_get_new_sneak_node(true),
	m_sneak_node_bb_ymax(0),
	m_old_node_below(32767,32767,32767),
	m_old_node_below_type("air"),
	m_can_jump(false),
	m_cao(NULL)
{
	// Initialize hp to 0, so that no hearts will be shown if server
	// doesn't support health points
	hp = 0;
	eye_offset_first = v3f(0,0,0);
	eye_offset_third = v3f(0,0,0);
}

LocalPlayer::~LocalPlayer()
{
}

void LocalPlayer::move(f32 dtime, Environment *env, f32 pos_max_d,
		std::vector<CollisionInfo> *collision_info)
{
	Map *map = &env->getMap();
	INodeDefManager *nodemgr = m_gamedef->ndef();

	v3f position = getPosition();

	// Copy parent position if local player is attached
	if(isAttached)
	{
		setPosition(overridePosition);
		m_sneak_node_exists = false;
		return;
	}

	// Skip collision detection if noclip mode is used
	bool fly_allowed = m_gamedef->checkLocalPrivilege("fly");
	bool noclip = m_gamedef->checkLocalPrivilege("noclip") &&
		g_settings->getBool("noclip");
	bool free_move = noclip && fly_allowed && g_settings->getBool("free_move");
	if (free_move) {
		position += m_speed * dtime;
		setPosition(position);
		m_sneak_node_exists = false;
		return;
	}

	/*
		Collision detection
	*/

	bool is_valid_position;
	MapNode node;
	v3s16 pp;

	/*
		Check if player is in liquid (the oscillating value)
	*/

	// If in liquid, the threshold of coming out is at higher y
	if (in_liquid)
	{
		pp = floatToInt(position + v3f(0,BS*0.1,0), BS);
		node = map->getNodeNoEx(pp, &is_valid_position);
		if (is_valid_position) {
			in_liquid = nodemgr->get(node.getContent()).isLiquid();
			liquid_viscosity = nodemgr->get(node.getContent()).liquid_viscosity;
		} else {
			in_liquid = false;
		}
	}
	// If not in liquid, the threshold of going in is at lower y
	else
	{
		pp = floatToInt(position + v3f(0,BS*0.5,0), BS);
		node = map->getNodeNoEx(pp, &is_valid_position);
		if (is_valid_position) {
			in_liquid = nodemgr->get(node.getContent()).isLiquid();
			liquid_viscosity = nodemgr->get(node.getContent()).liquid_viscosity;
		} else {
			in_liquid = false;
		}
	}


	/*
		Check if player is in liquid (the stable value)
	*/
	pp = floatToInt(position + v3f(0,0,0), BS);
	node = map->getNodeNoEx(pp, &is_valid_position);
	if (is_valid_position) {
		in_liquid_stable = nodemgr->get(node.getContent()).isLiquid();
	} else {
		in_liquid_stable = false;
	}

	/*
	        Check if player is climbing
	*/


	pp = floatToInt(position + v3f(0,0.5*BS,0), BS);
	v3s16 pp2 = floatToInt(position + v3f(0,-0.2*BS,0), BS);
	node = map->getNodeNoEx(pp, &is_valid_position);
	bool is_valid_position2;
	MapNode node2 = map->getNodeNoEx(pp2, &is_valid_position2);

	if (!(is_valid_position && is_valid_position2)) {
		is_climbing = false;
	} else {
		is_climbing = (nodemgr->get(node.getContent()).climbable
				|| nodemgr->get(node2.getContent()).climbable) && !free_move;
	}


	/*
		Collision uncertainty radius
		Make it a bit larger than the maximum distance of movement
	*/
	//f32 d = pos_max_d * 1.1;
	// A fairly large value in here makes moving smoother
	f32 d = 0.15*BS;

	// This should always apply, otherwise there are glitches
	sanity_check(d > pos_max_d);

	// Maximum distance over border for sneaking
	f32 sneak_max = BS*0.4;

	/*
		If sneaking, keep in range from the last walked node and don't
		fall off from it
	*/
	if (control.sneak && m_sneak_node_exists &&
			!(fly_allowed && g_settings->getBool("free_move")) && !in_liquid &&
			physics_override_sneak && !got_teleported) {
		f32 maxd = 0.5 * BS + sneak_max;
		v3f lwn_f = intToFloat(m_sneak_node, BS);
		position.X = rangelim(position.X, lwn_f.X-maxd, lwn_f.X+maxd);
		position.Z = rangelim(position.Z, lwn_f.Z-maxd, lwn_f.Z+maxd);

		if (!is_climbing) {
			// Move up if necessary
			f32 new_y = (lwn_f.Y - 0.5 * BS) + m_sneak_node_bb_ymax;
			if (position.Y < new_y)
				position.Y = new_y;
			/*
				Collision seems broken, since player is sinking when
				sneaking over the edges of current sneaking_node.
				TODO (when fixed): Set Y-speed only to 0 when position.Y < new_y.
			*/
			if (m_speed.Y < 0)
				m_speed.Y = 0;
		}
	}

	if (got_teleported)
		got_teleported = false;

	// this shouldn't be hardcoded but transmitted from server
	float player_stepheight = touching_ground ? (BS*0.6) : (BS*0.2);

#ifdef __ANDROID__
	player_stepheight += (0.5 * BS);
#endif

	v3f accel_f = v3f(0,0,0);

	collisionMoveResult result = collisionMoveSimple(env, m_gamedef,
		pos_max_d, m_collisionbox, player_stepheight, dtime,
		&position, &m_speed, accel_f);

	/*
		If the player's feet touch the topside of any node, this is
		set to true.

		Player is allowed to jump when this is true.
	*/
	bool touching_ground_was = touching_ground;
	touching_ground = result.touching_ground;

    //bool standing_on_unloaded = result.standing_on_unloaded;

	/*
		Check the nodes under the player to see from which node the
		player is sneaking from, if any.  If the node from under
		the player has been removed, the player falls.
	*/
	f32 position_y_mod = 0.05 * BS;
	if (m_sneak_node_bb_ymax > 0)
		position_y_mod = m_sneak_node_bb_ymax - position_y_mod;
	v3s16 current_node = floatToInt(position - v3f(0, position_y_mod, 0), BS);
	if (m_sneak_node_exists &&
			nodemgr->get(map->getNodeNoEx(m_old_node_below)).name == "air" &&
			m_old_node_below_type != "air") {
		// Old node appears to have been removed; that is,
		// it wasn't air before but now it is
		m_need_to_get_new_sneak_node = false;
		m_sneak_node_exists = false;
	} else if (nodemgr->get(map->getNodeNoEx(current_node)).name != "air") {
		// We are on something, so make sure to recalculate the sneak
		// node.
		m_need_to_get_new_sneak_node = true;
	}

	if (m_need_to_get_new_sneak_node && physics_override_sneak) {
		m_sneak_node_bb_ymax = 0;
		v3s16 pos_i_bottom = floatToInt(position - v3f(0, position_y_mod, 0), BS);
		v2f player_p2df(position.X, position.Z);
		f32 min_distance_f = 100000.0 * BS;
		// If already seeking from some node, compare to it.
		/*if(m_sneak_node_exists)
		{
			v3f sneaknode_pf = intToFloat(m_sneak_node, BS);
			v2f sneaknode_p2df(sneaknode_pf.X, sneaknode_pf.Z);
			f32 d_horiz_f = player_p2df.getDistanceFrom(sneaknode_p2df);
			f32 d_vert_f = fabs(sneaknode_pf.Y + BS*0.5 - position.Y);
			// Ignore if player is not on the same level (likely dropped)
			if(d_vert_f < 0.15*BS)
				min_distance_f = d_horiz_f;
		}*/
		v3s16 new_sneak_node = m_sneak_node;
		for(s16 x=-1; x<=1; x++)
		for(s16 z=-1; z<=1; z++)
		{
			v3s16 p = pos_i_bottom + v3s16(x,0,z);
			v3f pf = intToFloat(p, BS);
			v2f node_p2df(pf.X, pf.Z);
			f32 distance_f = player_p2df.getDistanceFrom(node_p2df);
			f32 max_axis_distance_f = MYMAX(
					fabs(player_p2df.X-node_p2df.X),
					fabs(player_p2df.Y-node_p2df.Y));

			if(distance_f > min_distance_f ||
					max_axis_distance_f > 0.5*BS + sneak_max + 0.1*BS)
				continue;


			// The node to be sneaked on has to be walkable
			node = map->getNodeNoEx(p, &is_valid_position);
			if (!is_valid_position || nodemgr->get(node).walkable == false)
				continue;
			// And the node above it has to be nonwalkable
			node = map->getNodeNoEx(p + v3s16(0,1,0), &is_valid_position);
			if (!is_valid_position || nodemgr->get(node).walkable) {
				continue;
			}
			if (!physics_override_sneak_glitch) {
				node =map->getNodeNoEx(p + v3s16(0,2,0), &is_valid_position);
				if (!is_valid_position || nodemgr->get(node).walkable)
					continue;
			}

			min_distance_f = distance_f;
			new_sneak_node = p;
		}

		bool sneak_node_found = (min_distance_f < 100000.0 * BS * 0.9);

		m_sneak_node = new_sneak_node;
		m_sneak_node_exists = sneak_node_found;

		if (sneak_node_found) {
			f32 cb_max = 0;
			MapNode n = map->getNodeNoEx(m_sneak_node);
			std::vector<aabb3f> nodeboxes;
			n.getCollisionBoxes(nodemgr, &nodeboxes);
			for (std::vector<aabb3f>::iterator it = nodeboxes.begin();
					it != nodeboxes.end(); ++it) {
				aabb3f box = *it;
				if (box.MaxEdge.Y > cb_max)
					cb_max = box.MaxEdge.Y;
			}
			m_sneak_node_bb_ymax = cb_max;
		}

		/*
			If sneaking, the player's collision box can be in air, so
			this has to be set explicitly
		*/
		if(sneak_node_found && control.sneak)
			touching_ground = true;
	}

	/*
		Set new position
	*/
	setPosition(position);

	/*
		Report collisions
	*/

	// Dont report if flying
	if(collision_info && !(g_settings->getBool("free_move") && fly_allowed)) {
		for(size_t i=0; i<result.collisions.size(); i++) {
			const CollisionInfo &info = result.collisions[i];
			collision_info->push_back(info);
		}
	}

	if(!result.standing_on_object && !touching_ground_was && touching_ground) {
		MtEvent *e = new SimpleTriggerEvent("PlayerRegainGround");
		m_gamedef->event()->put(e);

		// Set camera impact value to be used for view bobbing
		camera_impact = getSpeed().Y * -1;
	}

	{
		camera_barely_in_ceiling = false;
		v3s16 camera_np = floatToInt(getEyePosition(), BS);