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game.cpp
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game.cpp
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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.
*/
#include "game.h"
#include <iomanip>
#include "camera.h"
#include "client.h"
#include "client/tile.h" // For TextureSource
#include "clientmap.h"
#include "clouds.h"
#include "config.h"
#include "content_cao.h"
#include "drawscene.h"
#include "event_manager.h"
#include "fontengine.h"
#include "itemdef.h"
#include "log.h"
#include "filesys.h"
#include "gettext.h"
#include "guiChatConsole.h"
#include "guiFormSpecMenu.h"
#include "guiKeyChangeMenu.h"
#include "guiPasswordChange.h"
#include "guiVolumeChange.h"
#include "hud.h"
#include "logoutputbuffer.h"
#include "mainmenumanager.h"
#include "mapblock.h"
#include "nodedef.h" // Needed for determining pointing to nodes
#include "nodemetadata.h"
#include "particles.h"
#include "profiler.h"
#include "quicktune_shortcutter.h"
#include "server.h"
#include "settings.h"
#include "shader.h" // For ShaderSource
#include "sky.h"
#include "subgame.h"
#include "tool.h"
#include "util/directiontables.h"
#include "util/pointedthing.h"
#include "version.h"
#include "minimap.h"
#include "sound.h"
#if USE_SOUND
#include "sound_openal.h"
#endif
#ifdef HAVE_TOUCHSCREENGUI
#include "touchscreengui.h"
#endif
extern Settings *g_settings;
extern Profiler *g_profiler;
/*
Text input system
*/
struct TextDestNodeMetadata : public TextDest {
TextDestNodeMetadata(v3s16 p, Client *client)
{
m_p = p;
m_client = client;
}
// This is deprecated I guess? -celeron55
void gotText(std::wstring text)
{
std::string ntext = wide_to_utf8(text);
infostream << "Submitting 'text' field of node at (" << m_p.X << ","
<< m_p.Y << "," << m_p.Z << "): " << ntext << std::endl;
StringMap fields;
fields["text"] = ntext;
m_client->sendNodemetaFields(m_p, "", fields);
}
void gotText(const StringMap &fields)
{
m_client->sendNodemetaFields(m_p, "", fields);
}
v3s16 m_p;
Client *m_client;
};
struct TextDestPlayerInventory : public TextDest {
TextDestPlayerInventory(Client *client)
{
m_client = client;
m_formname = "";
}
TextDestPlayerInventory(Client *client, std::string formname)
{
m_client = client;
m_formname = formname;
}
void gotText(const StringMap &fields)
{
m_client->sendInventoryFields(m_formname, fields);
}
Client *m_client;
};
struct LocalFormspecHandler : public TextDest {
LocalFormspecHandler();
LocalFormspecHandler(std::string formname) :
m_client(0)
{
m_formname = formname;
}
LocalFormspecHandler(std::string formname, Client *client) :
m_client(client)
{
m_formname = formname;
}
void gotText(std::wstring message)
{
errorstream << "LocalFormspecHandler::gotText old style message received" << std::endl;
}
void gotText(const StringMap &fields)
{
if (m_formname == "MT_PAUSE_MENU") {
if (fields.find("btn_sound") != fields.end()) {
g_gamecallback->changeVolume();
return;
}
if (fields.find("btn_key_config") != fields.end()) {
g_gamecallback->keyConfig();
return;
}
if (fields.find("btn_exit_menu") != fields.end()) {
g_gamecallback->disconnect();
return;
}
if (fields.find("btn_exit_os") != fields.end()) {
g_gamecallback->exitToOS();
return;
}
if (fields.find("btn_change_password") != fields.end()) {
g_gamecallback->changePassword();
return;
}
if (fields.find("quit") != fields.end()) {
return;
}
if (fields.find("btn_continue") != fields.end()) {
return;
}
}
if (m_formname == "MT_CHAT_MENU") {
assert(m_client != 0);
if ((fields.find("btn_send") != fields.end()) ||
(fields.find("quit") != fields.end())) {
StringMap::const_iterator it = fields.find("f_text");
if (it != fields.end())
m_client->typeChatMessage(utf8_to_wide(it->second));
return;
}
}
if (m_formname == "MT_DEATH_SCREEN") {
assert(m_client != 0);
if ((fields.find("btn_respawn") != fields.end())) {
m_client->sendRespawn();
return;
}
if (fields.find("quit") != fields.end()) {
m_client->sendRespawn();
return;
}
}
// don't show error message for unhandled cursor keys
if ((fields.find("key_up") != fields.end()) ||
(fields.find("key_down") != fields.end()) ||
(fields.find("key_left") != fields.end()) ||
(fields.find("key_right") != fields.end())) {
return;
}
errorstream << "LocalFormspecHandler::gotText unhandled >"
<< m_formname << "< event" << std::endl;
int i = 0;
StringMap::const_iterator it;
for (it = fields.begin(); it != fields.end(); ++it) {
errorstream << "\t" << i << ": " << it->first
<< "=" << it->second << std::endl;
i++;
}
}
Client *m_client;
};
/* Form update callback */
class NodeMetadataFormSource: public IFormSource
{
public:
NodeMetadataFormSource(ClientMap *map, v3s16 p):
m_map(map),
m_p(p)
{
}
std::string getForm()
{
NodeMetadata *meta = m_map->getNodeMetadata(m_p);
if (!meta)
return "";
return meta->getString("formspec");
}
std::string resolveText(std::string str)
{
NodeMetadata *meta = m_map->getNodeMetadata(m_p);
if (!meta)
return str;
return meta->resolveString(str);
}
ClientMap *m_map;
v3s16 m_p;
};
class PlayerInventoryFormSource: public IFormSource
{
public:
PlayerInventoryFormSource(Client *client):
m_client(client)
{
}
std::string getForm()
{
LocalPlayer *player = m_client->getEnv().getLocalPlayer();
return player->inventory_formspec;
}
Client *m_client;
};
/*
Check if a node is pointable
*/
inline bool isPointableNode(const MapNode &n,
Client *client, bool liquids_pointable)
{
const ContentFeatures &features = client->getNodeDefManager()->get(n);
return features.pointable ||
(liquids_pointable && features.isLiquid());
}
/*
Find what the player is pointing at
*/
PointedThing getPointedThing(Client *client, v3f player_position,
v3f camera_direction, v3f camera_position, core::line3d<f32> shootline,
f32 d, bool liquids_pointable, bool look_for_object, v3s16 camera_offset,
std::vector<aabb3f> &hilightboxes, ClientActiveObject *&selected_object)
{
PointedThing result;
hilightboxes.clear();
selected_object = NULL;
INodeDefManager *nodedef = client->getNodeDefManager();
ClientMap &map = client->getEnv().getClientMap();
f32 mindistance = BS * 1001;
// First try to find a pointed at active object
if (look_for_object) {
selected_object = client->getSelectedActiveObject(d * BS,
camera_position, shootline);
if (selected_object != NULL) {
if (selected_object->doShowSelectionBox()) {
aabb3f *selection_box = selected_object->getSelectionBox();
// Box should exist because object was
// returned in the first place
assert(selection_box);
v3f pos = selected_object->getPosition();
hilightboxes.push_back(aabb3f(
selection_box->MinEdge + pos - intToFloat(camera_offset, BS),
selection_box->MaxEdge + pos - intToFloat(camera_offset, BS)));
}
mindistance = (selected_object->getPosition() - camera_position).getLength();
result.type = POINTEDTHING_OBJECT;
result.object_id = selected_object->getId();
}
}
// That didn't work, try to find a pointed at node
v3s16 pos_i = floatToInt(player_position, BS);
/*infostream<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
<<std::endl;*/
s16 a = d;
s16 ystart = pos_i.Y + 0 - (camera_direction.Y < 0 ? a : 1);
s16 zstart = pos_i.Z - (camera_direction.Z < 0 ? a : 1);
s16 xstart = pos_i.X - (camera_direction.X < 0 ? a : 1);
s16 yend = pos_i.Y + 1 + (camera_direction.Y > 0 ? a : 1);
s16 zend = pos_i.Z + (camera_direction.Z > 0 ? a : 1);
s16 xend = pos_i.X + (camera_direction.X > 0 ? a : 1);
// Prevent signed number overflow
if (yend == 32767)
yend = 32766;
if (zend == 32767)
zend = 32766;
if (xend == 32767)
xend = 32766;
for (s16 y = ystart; y <= yend; y++)
for (s16 z = zstart; z <= zend; z++)
for (s16 x = xstart; x <= xend; x++) {
MapNode n;
bool is_valid_position;
n = map.getNodeNoEx(v3s16(x, y, z), &is_valid_position);
if (!is_valid_position)
continue;
if (!isPointableNode(n, client, liquids_pointable))
continue;
std::vector<aabb3f> boxes = n.getSelectionBoxes(nodedef);
v3s16 np(x, y, z);
v3f npf = intToFloat(np, BS);
for (std::vector<aabb3f>::const_iterator
i = boxes.begin();
i != boxes.end(); ++i) {
aabb3f box = *i;
box.MinEdge += npf;
box.MaxEdge += npf;
for (u16 j = 0; j < 6; j++) {
v3s16 facedir = g_6dirs[j];
aabb3f facebox = box;
f32 d = 0.001 * BS;
if (facedir.X > 0)
facebox.MinEdge.X = facebox.MaxEdge.X - d;
else if (facedir.X < 0)
facebox.MaxEdge.X = facebox.MinEdge.X + d;
else if (facedir.Y > 0)
facebox.MinEdge.Y = facebox.MaxEdge.Y - d;
else if (facedir.Y < 0)
facebox.MaxEdge.Y = facebox.MinEdge.Y + d;
else if (facedir.Z > 0)
facebox.MinEdge.Z = facebox.MaxEdge.Z - d;
else if (facedir.Z < 0)
facebox.MaxEdge.Z = facebox.MinEdge.Z + d;
v3f centerpoint = facebox.getCenter();
f32 distance = (centerpoint - camera_position).getLength();
if (distance >= mindistance)
continue;
if (!facebox.intersectsWithLine(shootline))
continue;
v3s16 np_above = np + facedir;
result.type = POINTEDTHING_NODE;
result.node_undersurface = np;
result.node_abovesurface = np_above;
mindistance = distance;
hilightboxes.clear();
if (!g_settings->getBool("enable_node_highlighting")) {
for (std::vector<aabb3f>::const_iterator
i2 = boxes.begin();
i2 != boxes.end(); ++i2) {
aabb3f box = *i2;
box.MinEdge += npf + v3f(-d, -d, -d) - intToFloat(camera_offset, BS);
box.MaxEdge += npf + v3f(d, d, d) - intToFloat(camera_offset, BS);
hilightboxes.push_back(box);
}
}
}
}
} // for coords
return result;
}
/* Profiler display */
void update_profiler_gui(gui::IGUIStaticText *guitext_profiler, FontEngine *fe,
u32 show_profiler, u32 show_profiler_max, s32 screen_height)
{
if (show_profiler == 0) {
guitext_profiler->setVisible(false);
} else {
std::ostringstream os(std::ios_base::binary);
g_profiler->printPage(os, show_profiler, show_profiler_max);
std::wstring text = utf8_to_wide(os.str());
guitext_profiler->setText(text.c_str());
guitext_profiler->setVisible(true);
s32 w = fe->getTextWidth(text.c_str());
if (w < 400)
w = 400;
unsigned text_height = fe->getTextHeight();
core::position2di upper_left, lower_right;
upper_left.X = 6;
upper_left.Y = (text_height + 5) * 2;
lower_right.X = 12 + w;
lower_right.Y = upper_left.Y + (text_height + 1) * MAX_PROFILER_TEXT_ROWS;
if (lower_right.Y > screen_height * 2 / 3)
lower_right.Y = screen_height * 2 / 3;
core::rect<s32> rect(upper_left, lower_right);
guitext_profiler->setRelativePosition(rect);
guitext_profiler->setVisible(true);
}
}
class ProfilerGraph
{
private:
struct Piece {
Profiler::GraphValues values;
};
struct Meta {
float min;
float max;
video::SColor color;
Meta(float initial = 0,
video::SColor color = video::SColor(255, 255, 255, 255)):
min(initial),
max(initial),
color(color)
{}
};
std::vector<Piece> m_log;
public:
u32 m_log_max_size;
ProfilerGraph():
m_log_max_size(200)
{}
void put(const Profiler::GraphValues &values)
{
Piece piece;
piece.values = values;
m_log.push_back(piece);
while (m_log.size() > m_log_max_size)
m_log.erase(m_log.begin());
}
void draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
gui::IGUIFont *font) const
{
std::map<std::string, Meta> m_meta;
for (std::vector<Piece>::const_iterator k = m_log.begin();
k != m_log.end(); ++k) {
const Piece &piece = *k;
for (Profiler::GraphValues::const_iterator i = piece.values.begin();
i != piece.values.end(); ++i) {
const std::string &id = i->first;
const float &value = i->second;
std::map<std::string, Meta>::iterator j =
m_meta.find(id);
if (j == m_meta.end()) {
m_meta[id] = Meta(value);
continue;
}
if (value < j->second.min)
j->second.min = value;
if (value > j->second.max)
j->second.max = value;
}
}
// Assign colors
static const video::SColor usable_colors[] = {
video::SColor(255, 255, 100, 100),
video::SColor(255, 90, 225, 90),
video::SColor(255, 100, 100, 255),
video::SColor(255, 255, 150, 50),
video::SColor(255, 220, 220, 100)
};
static const u32 usable_colors_count =
sizeof(usable_colors) / sizeof(*usable_colors);
u32 next_color_i = 0;
for (std::map<std::string, Meta>::iterator i = m_meta.begin();
i != m_meta.end(); ++i) {
Meta &meta = i->second;
video::SColor color(255, 200, 200, 200);
if (next_color_i < usable_colors_count)
color = usable_colors[next_color_i++];
meta.color = color;
}
s32 graphh = 50;
s32 textx = x_left + m_log_max_size + 15;
s32 textx2 = textx + 200 - 15;
s32 meta_i = 0;
for (std::map<std::string, Meta>::const_iterator i = m_meta.begin();
i != m_meta.end(); ++i) {
const std::string &id = i->first;
const Meta &meta = i->second;
s32 x = x_left;
s32 y = y_bottom - meta_i * 50;
float show_min = meta.min;
float show_max = meta.max;
if (show_min >= -0.0001 && show_max >= -0.0001) {
if (show_min <= show_max * 0.5)
show_min = 0;
}
s32 texth = 15;
char buf[10];
snprintf(buf, 10, "%.3g", show_max);
font->draw(utf8_to_wide(buf).c_str(),
core::rect<s32>(textx, y - graphh,
textx2, y - graphh + texth),
meta.color);
snprintf(buf, 10, "%.3g", show_min);
font->draw(utf8_to_wide(buf).c_str(),
core::rect<s32>(textx, y - texth,
textx2, y),
meta.color);
font->draw(utf8_to_wide(id).c_str(),
core::rect<s32>(textx, y - graphh / 2 - texth / 2,
textx2, y - graphh / 2 + texth / 2),
meta.color);
s32 graph1y = y;
s32 graph1h = graphh;
bool relativegraph = (show_min != 0 && show_min != show_max);
float lastscaledvalue = 0.0;
bool lastscaledvalue_exists = false;
for (std::vector<Piece>::const_iterator j = m_log.begin();
j != m_log.end(); ++j) {
const Piece &piece = *j;
float value = 0;
bool value_exists = false;
Profiler::GraphValues::const_iterator k =
piece.values.find(id);
if (k != piece.values.end()) {
value = k->second;
value_exists = true;
}
if (!value_exists) {
x++;
lastscaledvalue_exists = false;
continue;
}
float scaledvalue = 1.0;
if (show_max != show_min)
scaledvalue = (value - show_min) / (show_max - show_min);
if (scaledvalue == 1.0 && value == 0) {
x++;
lastscaledvalue_exists = false;
continue;
}
if (relativegraph) {
if (lastscaledvalue_exists) {
s32 ivalue1 = lastscaledvalue * graph1h;
s32 ivalue2 = scaledvalue * graph1h;
driver->draw2DLine(v2s32(x - 1, graph1y - ivalue1),
v2s32(x, graph1y - ivalue2), meta.color);
}
lastscaledvalue = scaledvalue;
lastscaledvalue_exists = true;
} else {
s32 ivalue = scaledvalue * graph1h;
driver->draw2DLine(v2s32(x, graph1y),
v2s32(x, graph1y - ivalue), meta.color);
}
x++;
}
meta_i++;
}
}
};
class NodeDugEvent: public MtEvent
{
public:
v3s16 p;
MapNode n;
NodeDugEvent(v3s16 p, MapNode n):
p(p),
n(n)
{}
const char *getType() const
{
return "NodeDug";
}
};
class SoundMaker
{
ISoundManager *m_sound;
INodeDefManager *m_ndef;
public:
float m_player_step_timer;
SimpleSoundSpec m_player_step_sound;
SimpleSoundSpec m_player_leftpunch_sound;
SimpleSoundSpec m_player_rightpunch_sound;
SoundMaker(ISoundManager *sound, INodeDefManager *ndef):
m_sound(sound),
m_ndef(ndef),
m_player_step_timer(0)
{
}
void playPlayerStep()
{
if (m_player_step_timer <= 0 && m_player_step_sound.exists()) {
m_player_step_timer = 0.03;
m_sound->playSound(m_player_step_sound, false);
}
}
static void viewBobbingStep(MtEvent *e, void *data)
{
SoundMaker *sm = (SoundMaker *)data;
sm->playPlayerStep();
}
static void playerRegainGround(MtEvent *e, void *data)
{
SoundMaker *sm = (SoundMaker *)data;
sm->playPlayerStep();
}
static void playerJump(MtEvent *e, void *data)
{
//SoundMaker *sm = (SoundMaker*)data;
}
static void cameraPunchLeft(MtEvent *e, void *data)
{
SoundMaker *sm = (SoundMaker *)data;
sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
}
static void cameraPunchRight(MtEvent *e, void *data)
{
SoundMaker *sm = (SoundMaker *)data;
sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
}
static void nodeDug(MtEvent *e, void *data)
{
SoundMaker *sm = (SoundMaker *)data;
NodeDugEvent *nde = (NodeDugEvent *)e;
sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
}
static void playerDamage(MtEvent *e, void *data)
{
SoundMaker *sm = (SoundMaker *)data;
sm->m_sound->playSound(SimpleSoundSpec("player_damage", 0.5), false);
}
static void playerFallingDamage(MtEvent *e, void *data)
{
SoundMaker *sm = (SoundMaker *)data;
sm->m_sound->playSound(SimpleSoundSpec("player_falling_damage", 0.5), false);
}
void registerReceiver(MtEventManager *mgr)
{
mgr->reg("ViewBobbingStep", SoundMaker::viewBobbingStep, this);
mgr->reg("PlayerRegainGround", SoundMaker::playerRegainGround, this);
mgr->reg("PlayerJump", SoundMaker::playerJump, this);
mgr->reg("CameraPunchLeft", SoundMaker::cameraPunchLeft, this);
mgr->reg("CameraPunchRight", SoundMaker::cameraPunchRight, this);
mgr->reg("NodeDug", SoundMaker::nodeDug, this);
mgr->reg("PlayerDamage", SoundMaker::playerDamage, this);
mgr->reg("PlayerFallingDamage", SoundMaker::playerFallingDamage, this);
}
void step(float dtime)
{
m_player_step_timer -= dtime;
}
};
// Locally stored sounds don't need to be preloaded because of this
class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
{
std::set<std::string> m_fetched;
public:
void fetchSounds(const std::string &name,
std::set<std::string> &dst_paths,
std::set<std::string> &dst_datas)
{
if (m_fetched.count(name))
return;
m_fetched.insert(name);
std::string base = porting::path_share + DIR_DELIM + "testsounds";
dst_paths.insert(base + DIR_DELIM + name + ".ogg");
dst_paths.insert(base + DIR_DELIM + name + ".0.ogg");
dst_paths.insert(base + DIR_DELIM + name + ".1.ogg");
dst_paths.insert(base + DIR_DELIM + name + ".2.ogg");
dst_paths.insert(base + DIR_DELIM + name + ".3.ogg");
dst_paths.insert(base + DIR_DELIM + name + ".4.ogg");
dst_paths.insert(base + DIR_DELIM + name + ".5.ogg");
dst_paths.insert(base + DIR_DELIM + name + ".6.ogg");
dst_paths.insert(base + DIR_DELIM + name + ".7.ogg");
dst_paths.insert(base + DIR_DELIM + name + ".8.ogg");
dst_paths.insert(base + DIR_DELIM + name + ".9.ogg");
}
};
class GameGlobalShaderConstantSetter : public IShaderConstantSetter
{
Sky *m_sky;
bool *m_force_fog_off;
f32 *m_fog_range;
Client *m_client;
bool m_fogEnabled;
public:
void onSettingsChange(const std::string &name)
{
if (name == "enable_fog")
m_fogEnabled = g_settings->getBool("enable_fog");
}
static void SettingsCallback(const std::string &name, void *userdata)
{
reinterpret_cast<GameGlobalShaderConstantSetter*>(userdata)->onSettingsChange(name);
}
GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
f32 *fog_range, Client *client) :
m_sky(sky),
m_force_fog_off(force_fog_off),
m_fog_range(fog_range),
m_client(client)
{
g_settings->registerChangedCallback("enable_fog", SettingsCallback, this);
m_fogEnabled = g_settings->getBool("enable_fog");
}
~GameGlobalShaderConstantSetter()
{
g_settings->deregisterChangedCallback("enable_fog", SettingsCallback, this);
}
virtual void onSetConstants(video::IMaterialRendererServices *services,
bool is_highlevel)
{
if (!is_highlevel)
return;
// Background color
video::SColor bgcolor = m_sky->getBgColor();
video::SColorf bgcolorf(bgcolor);
float bgcolorfa[4] = {
bgcolorf.r,
bgcolorf.g,
bgcolorf.b,
bgcolorf.a,
};
services->setPixelShaderConstant("skyBgColor", bgcolorfa, 4);
// Fog distance
float fog_distance = 10000 * BS;
if (m_fogEnabled && !*m_force_fog_off)
fog_distance = *m_fog_range;
services->setPixelShaderConstant("fogDistance", &fog_distance, 1);
// Day-night ratio
u32 daynight_ratio = m_client->getEnv().getDayNightRatio();
float daynight_ratio_f = (float)daynight_ratio / 1000.0;
services->setPixelShaderConstant("dayNightRatio", &daynight_ratio_f, 1);
u32 animation_timer = porting::getTimeMs() % 100000;
float animation_timer_f = (float)animation_timer / 100000.0;
services->setPixelShaderConstant("animationTimer", &animation_timer_f, 1);
services->setVertexShaderConstant("animationTimer", &animation_timer_f, 1);
LocalPlayer *player = m_client->getEnv().getLocalPlayer();
v3f eye_position = player->getEyePosition();
services->setPixelShaderConstant("eyePosition", (irr::f32 *)&eye_position, 3);
services->setVertexShaderConstant("eyePosition", (irr::f32 *)&eye_position, 3);
v3f minimap_yaw_vec = m_client->getMapper()->getYawVec();
services->setPixelShaderConstant("yawVec", (irr::f32 *)&minimap_yaw_vec, 3);
// Uniform sampler layers
int layer0 = 0;
int layer1 = 1;
int layer2 = 2;
// before 1.8 there isn't a "integer interface", only float
#if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
services->setPixelShaderConstant("baseTexture" , (irr::f32 *)&layer0, 1);
services->setPixelShaderConstant("normalTexture" , (irr::f32 *)&layer1, 1);
services->setPixelShaderConstant("textureFlags" , (irr::f32 *)&layer2, 1);
#else
services->setPixelShaderConstant("baseTexture" , (irr::s32 *)&layer0, 1);
services->setPixelShaderConstant("normalTexture" , (irr::s32 *)&layer1, 1);
services->setPixelShaderConstant("textureFlags" , (irr::s32 *)&layer2, 1);
#endif
}
};
bool nodePlacementPrediction(Client &client,
const ItemDefinition &playeritem_def, v3s16 nodepos, v3s16 neighbourpos)
{
std::string prediction = playeritem_def.node_placement_prediction;
INodeDefManager *nodedef = client.ndef();
ClientMap &map = client.getEnv().getClientMap();
MapNode node;
bool is_valid_position;
node = map.getNodeNoEx(nodepos, &is_valid_position);
if (!is_valid_position)
return false;
if (prediction != "" && !nodedef->get(node).rightclickable) {
verbosestream << "Node placement prediction for "
<< playeritem_def.name << " is "
<< prediction << std::endl;
v3s16 p = neighbourpos;
// Place inside node itself if buildable_to
MapNode n_under = map.getNodeNoEx(nodepos, &is_valid_position);
if (is_valid_position)
{
if (nodedef->get(n_under).buildable_to)
p = nodepos;
else {
node = map.getNodeNoEx(p, &is_valid_position);
if (is_valid_position &&!nodedef->get(node).buildable_to)
return false;
}
}
// Find id of predicted node
content_t id;
bool found = nodedef->getId(prediction, id);
if (!found) {
errorstream << "Node placement prediction failed for "
<< playeritem_def.name << " (places "
<< prediction
<< ") - Name not known" << std::endl;
return false;
}
// Predict param2 for facedir and wallmounted nodes
u8 param2 = 0;
if (nodedef->get(id).param_type_2 == CPT2_WALLMOUNTED) {
v3s16 dir = nodepos - neighbourpos;
if (abs(dir.Y) > MYMAX(abs(dir.X), abs(dir.Z))) {
param2 = dir.Y < 0 ? 1 : 0;
} else if (abs(dir.X) > abs(dir.Z)) {
param2 = dir.X < 0 ? 3 : 2;
} else {
param2 = dir.Z < 0 ? 5 : 4;
}
}
if (nodedef->get(id).param_type_2 == CPT2_FACEDIR) {
v3s16 dir = nodepos - floatToInt(client.getEnv().getLocalPlayer()->getPosition(), BS);
if (abs(dir.X) > abs(dir.Z)) {
param2 = dir.X < 0 ? 3 : 1;
} else {
param2 = dir.Z < 0 ? 2 : 0;
}
}
assert(param2 <= 5);
//Check attachment if node is in group attached_node
if (((ItemGroupList) nodedef->get(id).groups)["attached_node"] != 0) {
static v3s16 wallmounted_dirs[8] = {
v3s16(0, 1, 0),
v3s16(0, -1, 0),
v3s16(1, 0, 0),
v3s16(-1, 0, 0),
v3s16(0, 0, 1),
v3s16(0, 0, -1),
};
v3s16 pp;
if (nodedef->get(id).param_type_2 == CPT2_WALLMOUNTED)
pp = p + wallmounted_dirs[param2];
else
pp = p + v3s16(0, -1, 0);
if (!nodedef->get(map.getNodeNoEx(pp)).walkable)
return false;
}
// Add node to client map
MapNode n(id, 0, param2);
try {
LocalPlayer *player = client.getEnv().getLocalPlayer();
// Dont place node when player would be inside new node
// NOTE: This is to be eventually implemented by a mod as client-side Lua
if (!nodedef->get(n).walkable ||
g_settings->getBool("enable_build_where_you_stand") ||
(client.checkPrivilege("noclip") && g_settings->getBool("noclip")) ||
(nodedef->get(n).walkable &&
neighbourpos != player->getStandingNodePos() + v3s16(0, 1, 0) &&
neighbourpos != player->getStandingNodePos() + v3s16(0, 2, 0))) {
// This triggers the required mesh update too
client.addNode(p, n);
return true;
}