void map::apply_character_light( const player &p )
{
float const held_luminance = p.active_light();
if( held_luminance > LIGHT_AMBIENT_LOW ) {
apply_light_source( p.posx(), p.posy(), held_luminance, trigdist );
}
}
void map::apply_character_light( player &p )
{
if( p.has_effect( effect_onfire ) ) {
apply_light_source( p.pos(), 8 );
} else if( p.has_effect( effect_haslight ) ) {
apply_light_source( p.pos(), 4 );
}
float const held_luminance = p.active_light();
if( held_luminance > LIGHT_AMBIENT_LOW ) {
apply_light_source( p.pos(), held_luminance );
}
if( held_luminance >= 4 && held_luminance > ambient_light_at( p.pos() ) - 0.5f ) {
p.add_effect( effect_haslight, 1 );
}
}
void map::apply_light_arc(int x, int y, int angle, float luminance, int wideangle )
{
if (luminance <= LIGHT_SOURCE_LOCAL) {
return;
}
static bool lit[LIGHTMAP_CACHE_X][LIGHTMAP_CACHE_Y];
memset(lit, 0, sizeof(lit));
#define lum_mult 3.0
luminance = luminance * lum_mult;
int range = LIGHT_RANGE(luminance);
apply_light_source(x, y, LIGHT_SOURCE_LOCAL, trigdist);
// Normalise (should work with negative values too)
const double PI = 3.14159265358979f;
const double HALFPI = 1.570796326794895f;
const double wangle = wideangle / 2.0;
int nangle = angle % 360;
int endx, endy;
double rad = PI * (double)nangle / 180;
calc_ray_end(nangle, range, x, y, &endx, &endy);
apply_light_ray(lit, x, y, endx, endy , luminance, trigdist);
int testx, testy;
calc_ray_end(wangle + nangle, range, x, y, &testx, &testy);
double wdist = sqrt(double((endx - testx) * (endx - testx) + (endy - testy) * (endy - testy)));
if(wdist > 0.5) {
double wstep = ( wangle / ( wdist *
1.42 ) ); // attempt to determine beam density required to cover all squares
for (double ao = wstep; ao <= wangle; ao += wstep) {
if ( trigdist ) {
double fdist = (ao * HALFPI) / wangle;
double orad = ( PI * ao / 180.0 );
endx = int( x + ( (double)range - fdist * 2.0) * cos(rad + orad) );
endy = int( y + ( (double)range - fdist * 2.0) * sin(rad + orad) );
apply_light_ray(lit, x, y, endx, endy , luminance, true);
endx = int( x + ( (double)range - fdist * 2.0) * cos(rad - orad) );
endy = int( y + ( (double)range - fdist * 2.0) * sin(rad - orad) );
apply_light_ray(lit, x, y, endx, endy , luminance, true);
} else {
calc_ray_end(nangle + ao, range, x, y, &endx, &endy);
apply_light_ray(lit, x, y, endx, endy , luminance, false);
calc_ray_end(nangle - ao, range, x, y, &endx, &endy);
apply_light_ray(lit, x, y, endx, endy , luminance, false);
}
}
}
}
void map::apply_light_arc(int x, int y, int angle, float luminance, int wideangle )
{
if (luminance <= LIGHT_SOURCE_LOCAL) {
return;
}
bool lit[LIGHTMAP_CACHE_X][LIGHTMAP_CACHE_Y] {};
constexpr float lum_mult = 3.0f;
luminance = luminance * lum_mult;
int range = LIGHT_RANGE(luminance);
apply_light_source(x, y, LIGHT_SOURCE_LOCAL, trigdist);
// Normalise (should work with negative values too)
const double wangle = wideangle / 2.0;
int nangle = angle % 360;
int endx, endy;
double rad = PI * (double)nangle / 180;
calc_ray_end(nangle, range, x, y, &endx, &endy);
apply_light_ray(lit, x, y, endx, endy , luminance, trigdist);
int testx, testy;
calc_ray_end(wangle + nangle, range, x, y, &testx, &testy);
const float wdist = hypot(endx - testx, endy - testy);
if (wdist <= 0.5) {
return;
}
// attempt to determine beam density required to cover all squares
const double wstep = ( wangle / ( wdist * SQRT_2 ) );
for (double ao = wstep; ao <= wangle; ao += wstep) {
if ( trigdist ) {
double fdist = (ao * HALFPI) / wangle;
double orad = ( PI * ao / 180.0 );
endx = int( x + ( (double)range - fdist * 2.0) * cos(rad + orad) );
endy = int( y + ( (double)range - fdist * 2.0) * sin(rad + orad) );
apply_light_ray(lit, x, y, endx, endy , luminance, true);
endx = int( x + ( (double)range - fdist * 2.0) * cos(rad - orad) );
endy = int( y + ( (double)range - fdist * 2.0) * sin(rad - orad) );
apply_light_ray(lit, x, y, endx, endy , luminance, true);
} else {
calc_ray_end(nangle + ao, range, x, y, &endx, &endy);
apply_light_ray(lit, x, y, endx, endy , luminance, false);
calc_ray_end(nangle - ao, range, x, y, &endx, &endy);
apply_light_ray(lit, x, y, endx, endy , luminance, false);
}
}
}
void map::apply_light_arc( const tripoint &p, int angle, float luminance, int wideangle )
{
if (luminance <= LIGHT_SOURCE_LOCAL) {
return;
}
bool lit[LIGHTMAP_CACHE_X][LIGHTMAP_CACHE_Y] {};
apply_light_source( p, LIGHT_SOURCE_LOCAL );
// Normalise (should work with negative values too)
const double wangle = wideangle / 2.0;
int nangle = angle % 360;
tripoint end;
double rad = PI * (double)nangle / 180;
int range = LIGHT_RANGE(luminance);
calc_ray_end( nangle, range, p, end );
apply_light_ray(lit, p, end , luminance);
tripoint test;
calc_ray_end(wangle + nangle, range, p, test );
const float wdist = hypot( end.x - test.x, end.y - test.y );
if (wdist <= 0.5) {
return;
}
// attempt to determine beam density required to cover all squares
const double wstep = ( wangle / ( wdist * SQRT_2 ) );
for( double ao = wstep; ao <= wangle; ao += wstep ) {
if( trigdist ) {
double fdist = (ao * HALFPI) / wangle;
double orad = ( PI * ao / 180.0 );
end.x = int( p.x + ( (double)range - fdist * 2.0) * cos(rad + orad) );
end.y = int( p.y + ( (double)range - fdist * 2.0) * sin(rad + orad) );
apply_light_ray( lit, p, end, luminance );
end.x = int( p.x + ( (double)range - fdist * 2.0) * cos(rad - orad) );
end.y = int( p.y + ( (double)range - fdist * 2.0) * sin(rad - orad) );
apply_light_ray( lit, p, end, luminance );
} else {
calc_ray_end( nangle + ao, range, p, end );
apply_light_ray( lit, p, end, luminance );
calc_ray_end( nangle - ao, range, p, end );
apply_light_ray( lit, p, end, luminance );
}
}
}
void map::generate_lightmap()
{
memset(lm, 0, sizeof(lm));
memset(sm, 0, sizeof(sm));
/* Bulk light sources wastefully cast rays into neighbors; a burning hospital can produce
significant slowdown, so for stuff like fire and lava:
* Step 1: Store the position and luminance in buffer via add_light_source, for efficient
checking of neighbors.
* Step 2: After everything else, iterate buffer and apply_light_source only in non-redundant
directions
* Step 3: Profit!
*/
memset(light_source_buffer, 0, sizeof(light_source_buffer));
constexpr int dir_x[] = { 0, -1 , 1, 0 }; // [0]
constexpr int dir_y[] = { -1, 0 , 0, 1 }; // [1][X][2]
constexpr int dir_d[] = { 180, 270, 0, 90 }; // [3]
const bool u_is_inside = !is_outside(g->u.posx(), g->u.posy());
const float natural_light = g->natural_light_level();
const float hl = natural_light / 2;
if (natural_light > LIGHT_SOURCE_BRIGHT) {
// Apply sunlight, first light source so just assign
for (int sx = DAYLIGHT_LEVEL - hl; sx < LIGHTMAP_CACHE_X - hl; ++sx) {
for (int sy = DAYLIGHT_LEVEL - hl; sy < LIGHTMAP_CACHE_Y - hl; ++sy) {
// In bright light indoor light exists to some degree
if (!is_outside(sx, sy)) {
lm[sx][sy] = LIGHT_AMBIENT_LOW;
} else if (g->u.posx() == sx && g->u.posy() == sy ) {
//Only apply daylight on square where player is standing to avoid flooding
// the lightmap when in less than total sunlight.
lm[sx][sy] = natural_light;
}
}
}
}
apply_character_light( g->u );
for( auto &n : g->active_npc ) {
apply_character_light( *n );
}
// LIGHTMAP_CACHE_X = MAPSIZE * SEEX
// LIGHTMAP_CACHE_Y = MAPSIZE * SEEY
// Traverse the submaps in order
for (int smx = 0; smx < my_MAPSIZE; ++smx) {
for (int smy = 0; smy < my_MAPSIZE; ++smy) {
auto const cur_submap = get_submap_at_grid( smx, smy );
for (int sx = 0; sx < SEEX; ++sx) {
for (int sy = 0; sy < SEEY; ++sy) {
const int x = sx + smx * SEEX;
const int y = sy + smy * SEEY;
// When underground natural_light is 0, if this changes we need to revisit
// Only apply this whole thing if the player is inside,
// buildings will be shadowed when outside looking in.
if (natural_light > LIGHT_SOURCE_BRIGHT && u_is_inside && !is_outside(x, y)) {
// Apply light sources for external/internal divide
for(int i = 0; i < 4; ++i) {
if (INBOUNDS(x + dir_x[i], y + dir_y[i]) &&
is_outside(x + dir_x[i], y + dir_y[i])) {
lm[x][y] = natural_light;
if (light_transparency(x, y) > LIGHT_TRANSPARENCY_SOLID) {
apply_light_arc(x, y, dir_d[i], natural_light);
}
}
}
}
if (cur_submap->lum[sx][sy]) {
auto items = i_at(x, y);
add_light_from_items(x, y, items.begin(), items.end());
}
const ter_id terrain = cur_submap->ter[sx][sy];
if (terrain == t_lava) {
add_light_source(x, y, 50 );
} else if (terrain == t_console) {
add_light_source(x, y, 3 );
} else if (terrain == t_utility_light) {
add_light_source(x, y, 35 );
}
for( auto &fld : cur_submap->fld[sx][sy] ) {
const field_entry *cur = &fld.second;
// TODO: [lightmap] Attach light brightness to fields
switch(cur->getFieldType()) {
case fd_fire:
if (3 == cur->getFieldDensity()) {
add_light_source(x, y, 160);
} else if (2 == cur->getFieldDensity()) {
add_light_source(x, y, 60);
} else {
add_light_source(x, y, 16);
}
break;
case fd_fire_vent:
case fd_flame_burst:
add_light_source(x, y, 8);
break;
case fd_electricity:
case fd_plasma:
if (3 == cur->getFieldDensity()) {
add_light_source(x, y, 8);
} else if (2 == cur->getFieldDensity()) {
add_light_source(x, y, 1);
} else {
apply_light_source(x, y, LIGHT_SOURCE_LOCAL,
trigdist); // kinda a hack as the square will still get marked
}
break;
case fd_incendiary:
if (3 == cur->getFieldDensity()) {
add_light_source(x, y, 30);
} else if (2 == cur->getFieldDensity()) {
add_light_source(x, y, 16);
} else {
add_light_source(x, y, 8);
}
break;
case fd_laser:
apply_light_source(x, y, 1, trigdist);
break;
case fd_spotlight:
add_light_source(x, y, 20);
break;
case fd_dazzling:
add_light_source(x, y, 2);
break;
default:
//Suppress warnings
break;
}
}
}
}
}
}
for (size_t i = 0; i < g->num_zombies(); ++i) {
auto &critter = g->zombie(i);
if(critter.is_hallucination()) {
continue;
}
int mx = critter.posx();
int my = critter.posy();
if (INBOUNDS(mx, my)) {
if (critter.has_effect("onfire")) {
apply_light_source(mx, my, 3, trigdist);
}
// TODO: [lightmap] Attach natural light brightness to creatures
// TODO: [lightmap] Allow creatures to have light attacks (ie: eyebot)
// TODO: [lightmap] Allow creatures to have facing and arc lights
if (critter.type->luminance > 0) {
apply_light_source(mx, my, critter.type->luminance, trigdist);
}
}
}
// Apply any vehicle light sources
VehicleList vehs = get_vehicles();
for( auto &vv : vehs ) {
vehicle *v = vv.v;
if(v->lights_on) {
int dir = v->face.dir();
float veh_luminance = 0.0;
float iteration = 1.0;
std::vector<int> light_indices = v->all_parts_with_feature(VPFLAG_CONE_LIGHT);
for( auto &light_indice : light_indices ) {
veh_luminance += ( v->part_info( light_indice ).bonus / iteration );
iteration = iteration * 1.1;
}
if (veh_luminance > LL_LIT) {
for( auto &light_indice : light_indices ) {
int px = vv.x + v->parts[light_indice].precalc[0].x;
int py = vv.y + v->parts[light_indice].precalc[0].y;
if(INBOUNDS(px, py)) {
add_light_source(px, py, SQRT_2); // Add a little surrounding light
apply_light_arc( px, py, dir + v->parts[light_indice].direction,
veh_luminance, 45 );
}
}
}
}
if(v->overhead_lights_on) {
std::vector<int> light_indices = v->all_parts_with_feature(VPFLAG_CIRCLE_LIGHT);
for( auto &light_indice : light_indices ) {
if( ( calendar::turn % 2 &&
v->part_info( light_indice ).has_flag( VPFLAG_ODDTURN ) ) ||
( !( calendar::turn % 2 ) &&
v->part_info( light_indice ).has_flag( VPFLAG_EVENTURN ) ) ||
( !v->part_info( light_indice ).has_flag( VPFLAG_EVENTURN ) &&
!v->part_info( light_indice ).has_flag( VPFLAG_ODDTURN ) ) ) {
int px = vv.x + v->parts[light_indice].precalc[0].x;
int py = vv.y + v->parts[light_indice].precalc[0].y;
if(INBOUNDS(px, py)) {
add_light_source( px, py, v->part_info( light_indice ).bonus );
}
}
}
}
// why reinvent the [lightmap] wheel
if(v->dome_lights_on) {
std::vector<int> light_indices = v->all_parts_with_feature(VPFLAG_DOME_LIGHT);
for( auto &light_indice : light_indices ) {
int px = vv.x + v->parts[light_indice].precalc[0].x;
int py = vv.y + v->parts[light_indice].precalc[0].y;
if(INBOUNDS(px, py)) {
add_light_source( px, py, v->part_info( light_indice ).bonus );
}
}
}
if(v->aisle_lights_on) {
std::vector<int> light_indices = v->all_parts_with_feature(VPFLAG_AISLE_LIGHT);
for( auto &light_indice : light_indices ) {
int px = vv.x + v->parts[light_indice].precalc[0].x;
int py = vv.y + v->parts[light_indice].precalc[0].y;
if(INBOUNDS(px, py)) {
add_light_source( px, py, v->part_info( light_indice ).bonus );
}
}
}
if(v->has_atomic_lights) {
// atomic light is always on
std::vector<int> light_indices = v->all_parts_with_feature(VPFLAG_ATOMIC_LIGHT);
for( auto &light_indice : light_indices ) {
int px = vv.x + v->parts[light_indice].precalc[0].x;
int py = vv.y + v->parts[light_indice].precalc[0].y;
if(INBOUNDS(px, py)) {
add_light_source( px, py, v->part_info( light_indice ).bonus );
}
}
}
for( size_t p = 0; p < v->parts.size(); ++p ) {
int px = vv.x + v->parts[p].precalc[0].x;
int py = vv.y + v->parts[p].precalc[0].y;
if( !INBOUNDS( px, py ) ) {
continue;
}
if( v->part_flag( p, VPFLAG_CARGO ) && !v->part_flag( p, "COVERED" ) ) {
add_light_from_items( px, py, v->get_items(p).begin(), v->get_items(p).end() );
}
}
}
/* Now that we have position and intensity of all bulk light sources, apply_ them
This may seem like extra work, but take a 12x12 raging inferno:
unbuffered: (12^2)*(160*4) = apply_light_ray x 92160
buffered: (12*4)*(160) = apply_light_ray x 7680
*/
for(int sx = 0; sx < LIGHTMAP_CACHE_X; ++sx) {
for(int sy = 0; sy < LIGHTMAP_CACHE_Y; ++sy) {
if ( light_source_buffer[sx][sy] > 0. ) {
apply_light_source(sx, sy, light_source_buffer[sx][sy],
( trigdist && light_source_buffer[sx][sy] > 3. ) );
}
}
}
if (g->u.has_active_bionic("bio_night") ) {
for(int sx = 0; sx < LIGHTMAP_CACHE_X; ++sx) {
for(int sy = 0; sy < LIGHTMAP_CACHE_Y; ++sy) {
if (rl_dist(sx, sy, g->u.posx(), g->u.posy()) < 15) {
lm[sx][sy] = 0;
}
}
}
}
}
void map::generate_lightmap()
{
memset(lm, 0, sizeof(lm));
memset(sm, 0, sizeof(sm));
/* Bulk light sources wastefully cast rays into neighbors; a burning hospital can produce
significant slowdown, so for stuff like fire and lava:
* Step 1: Store the position and luminance in buffer via add_light_source, for efficient
checking of neighbors.
* Step 2: After everything else, iterate buffer and apply_light_source only in non-redundant
directions
* Step 3: Profit!
*/
memset(light_source_buffer, 0, sizeof(light_source_buffer));
const int dir_x[] = { 1, 0 , -1, 0 };
const int dir_y[] = { 0, 1 , 0, -1 };
const int dir_d[] = { 180, 270, 0, 90 };
const float held_luminance = g->u.active_light();
const float natural_light = g->natural_light_level();
if (natural_light > LIGHT_SOURCE_BRIGHT) {
// Apply sunlight, first light source so just assign
for(int sx = DAYLIGHT_LEVEL - (natural_light / 2);
sx < LIGHTMAP_CACHE_X - (natural_light / 2); ++sx) {
for(int sy = DAYLIGHT_LEVEL - (natural_light / 2);
sy < LIGHTMAP_CACHE_Y - (natural_light / 2); ++sy) {
// In bright light indoor light exists to some degree
if (!is_outside(sx, sy)) {
lm[sx][sy] = LIGHT_AMBIENT_LOW;
} else if (g->u.posx == sx && g->u.posy == sy ) {
//Only apply daylight on square where player is standing to avoid flooding
// the lightmap when in less than total sunlight.
lm[sx][sy] = natural_light;
}
}
}
}
// Apply player light sources
if (held_luminance > LIGHT_AMBIENT_LOW) {
apply_light_source(g->u.posx, g->u.posy, held_luminance, trigdist);
}
for(int sx = 0; sx < LIGHTMAP_CACHE_X; ++sx) {
for(int sy = 0; sy < LIGHTMAP_CACHE_Y; ++sy) {
const ter_id terrain = ter(sx, sy);
const std::vector<item> &items = i_at(sx, sy);
field ¤t_field = field_at(sx, sy);
// When underground natural_light is 0, if this changes we need to revisit
// Only apply this whole thing if the player is inside,
// buildings will be shadowed when outside looking in.
if (natural_light > LIGHT_AMBIENT_LOW && !is_outside(g->u.posx, g->u.posy) ) {
if (!is_outside(sx, sy)) {
// Apply light sources for external/internal divide
for(int i = 0; i < 4; ++i) {
if (INBOUNDS(sx + dir_x[i], sy + dir_y[i]) &&
is_outside(sx + dir_x[i], sy + dir_y[i])) {
lm[sx][sy] = natural_light;
if (light_transparency(sx, sy) > LIGHT_TRANSPARENCY_SOLID) {
apply_light_arc(sx, sy, dir_d[i], natural_light);
}
}
}
}
}
for( std::vector<item>::const_iterator itm = items.begin(); itm != items.end(); ++itm ) {
float ilum = 0.0; // brightness
int iwidth = 0; // 0-360 degrees. 0 is a circular light_source
int idir = 0; // otherwise, it's a light_arc pointed in this direction
if ( itm->getlight(ilum, iwidth, idir ) ) {
if ( iwidth > 0 ) {
apply_light_arc( sx, sy, idir, ilum, iwidth );
} else {
add_light_source(sx, sy, ilum);
}
}
}
if(terrain == t_lava) {
add_light_source(sx, sy, 50 );
}
if(terrain == t_console) {
add_light_source(sx, sy, 3 );
}
if(terrain == t_emergency_light) {
add_light_source(sx, sy, 3 );
}
if(terrain == t_utility_light) {
add_light_source(sx, sy, 35 );
}
field_entry *cur = NULL;
for(std::map<field_id, field_entry *>::iterator field_list_it = current_field.getFieldStart();
field_list_it != current_field.getFieldEnd(); ++field_list_it) {
cur = field_list_it->second;
if(cur == NULL) {
continue;
}
// TODO: [lightmap] Attach light brightness to fields
switch(cur->getFieldType()) {
case fd_fire:
if (3 == cur->getFieldDensity()) {
add_light_source(sx, sy, 160);
} else if (2 == cur->getFieldDensity()) {
add_light_source(sx, sy, 60);
} else {
add_light_source(sx, sy, 16);
}
break;
case fd_fire_vent:
case fd_flame_burst:
add_light_source(sx, sy, 8);
break;
case fd_electricity:
case fd_plasma:
if (3 == cur->getFieldDensity()) {
add_light_source(sx, sy, 8);
} else if (2 == cur->getFieldDensity()) {
add_light_source(sx, sy, 1);
} else {
apply_light_source(sx, sy, LIGHT_SOURCE_LOCAL,
trigdist); // kinda a hack as the square will still get marked
}
break;
case fd_incendiary:
if (3 == cur->getFieldDensity()) {
add_light_source(sx, sy, 30);
} else if (2 == cur->getFieldDensity()) {
add_light_source(sx, sy, 16);
} else {
add_light_source(sx, sy, 8);
}
break;
case fd_laser:
apply_light_source(sx, sy, 1, trigdist);
break;
case fd_spotlight:
add_light_source(sx, sy, 20);
break;
case fd_dazzling:
add_light_source(sx, sy, 2);
break;
default:
//Suppress warnings
break;
}
}
}
}
for (size_t i = 0; i < g->num_zombies(); ++i) {
int mx = g->zombie(i).posx();
int my = g->zombie(i).posy();
if (INBOUNDS(mx, my)) {
if (g->zombie(i).has_effect("onfire")) {
apply_light_source(mx, my, 3, trigdist);
}
// TODO: [lightmap] Attach natural light brightness to creatures
// TODO: [lightmap] Allow creatures to have light attacks (ie: eyebot)
// TODO: [lightmap] Allow creatures to have facing and arc lights
if (g->zombie(i).type->luminance > 0) {
apply_light_source(mx, my, g->zombie(i).type->luminance, trigdist);
}
}
}
// Apply any vehicle light sources
VehicleList vehs = get_vehicles();
for( size_t v = 0; v < vehs.size(); ++v ) {
if(vehs[v].v->lights_on) {
int dir = vehs[v].v->face.dir();
float veh_luminance = 0.0;
float iteration = 1.0;
std::vector<int> light_indices = vehs[v].v->all_parts_with_feature(VPFLAG_CONE_LIGHT);
for (std::vector<int>::iterator part = light_indices.begin();
part != light_indices.end(); ++part) {
veh_luminance += ( vehs[v].v->part_info(*part).bonus / iteration );
iteration = iteration * 1.1;
}
if (veh_luminance > LL_LIT) {
for (std::vector<int>::iterator part = light_indices.begin();
part != light_indices.end(); ++part) {
int px = vehs[v].x + vehs[v].v->parts[*part].precalc_dx[0];
int py = vehs[v].y + vehs[v].v->parts[*part].precalc_dy[0];
if(INBOUNDS(px, py)) {
apply_light_arc(px, py, dir + vehs[v].v->parts[*part].direction, veh_luminance, 45);
}
}
}
}
if(vehs[v].v->overhead_lights_on) {
std::vector<int> light_indices = vehs[v].v->all_parts_with_feature(VPFLAG_CIRCLE_LIGHT);
for (std::vector<int>::iterator part = light_indices.begin();
part != light_indices.end(); ++part) {
if((calendar::turn % 2 && vehs[v].v->part_info(*part).has_flag(VPFLAG_ODDTURN)) ||
(!(calendar::turn % 2) && vehs[v].v->part_info(*part).has_flag(VPFLAG_EVENTURN)) ||
(!vehs[v].v->part_info(*part).has_flag(VPFLAG_EVENTURN) &&
!vehs[v].v->part_info(*part).has_flag(VPFLAG_ODDTURN))) {
int px = vehs[v].x + vehs[v].v->parts[*part].precalc_dx[0];
int py = vehs[v].y + vehs[v].v->parts[*part].precalc_dy[0];
if(INBOUNDS(px, py)) {
add_light_source( px, py, vehs[v].v->part_info(*part).bonus );
}
}
}
}
}
/* Now that we have position and intensity of all bulk light sources, apply_ them
This may seem like extra work, but take a 12x12 raging inferno:
unbuffered: (12^2)*(160*4) = apply_light_ray x 92160
buffered: (12*4)*(160) = apply_light_ray x 7680
*/
for(int sx = 0; sx < LIGHTMAP_CACHE_X; ++sx) {
for(int sy = 0; sy < LIGHTMAP_CACHE_Y; ++sy) {
if ( light_source_buffer[sx][sy] > 0. ) {
apply_light_source(sx, sy, light_source_buffer[sx][sy],
( trigdist && light_source_buffer[sx][sy] > 3. ) );
}
}
}
if (g->u.has_active_bionic("bio_night") ) {
for(int sx = 0; sx < LIGHTMAP_CACHE_X; ++sx) {
for(int sy = 0; sy < LIGHTMAP_CACHE_Y; ++sy) {
if (rl_dist(sx, sy, g->u.posx, g->u.posy) < 15) {
lm[sx][sy] = 0;
}
}
}
}
}
/*
* Adds the effect of the given light over the given intersection.
*
* light: Light that is being applied.
* inter: Intersection over which the light is being applied.
* normal_vec: Normal vector of the intersection point. It is passed by as a
* parameter for optimization purposes.
* rev_dir_vec: Reverse vector of the direction of the ray that comes from the
* eye. It is passed by as a parameter for optimization purposes.
* all_lights_color: Accumulated amount of light sources effect. The effect of
* the given light is added to this total.
* all_lights_color: Accumulated amount of the specular light effect. The
* specular effect of the given light is added to this total.
* conf: Configuration of the scene.
*/
void apply_light_source(Light light,
Intersection inter,
Vector normal_vec,
Vector rev_dir_vec,
Color *all_lights_color,
long double *all_spec_light,
SceneConfig conf)
{
Vector light_vec;
long double light_distance, illum_cos, att_factor, spec_cos;
Color light_filter;
Intersection* shadow_inter;
int shadow_i, shadow_inter_length;
Object shadow_obj;
// Find the vector that points from the intersection point to the light
// source, and normalize it
light_vec = subtract_vectors(light.anchor, inter.posn);
light_distance = normalize_vector(&light_vec);
// We check for any object making a shadow from that light
light_filter = (Color){ .red = 1.0, .green = 1.0, .blue = 1.0 };;
shadow_inter = get_intersections(inter.posn, light_vec, &shadow_inter_length, conf);
// If the intersection is beyond the light source, we ignore it
if(shadow_inter)
{ // Object(s) is/are actually behind the light
for(shadow_i = 0; shadow_i < shadow_inter_length && !is_color_empty(light_filter); shadow_i++)
{
if(shadow_inter[shadow_i].distance < light_distance)
{
shadow_obj = shadow_inter[shadow_i].obj;
if(shadow_obj.translucency_material)
{
light_filter = multiply_color(shadow_obj.translucency_material, multiply_colors(light_filter, shadow_obj.color));
}
else
{
light_filter = get_empty_color();
}
}
}
if(!is_color_empty(light_filter))
{
free(shadow_inter);
shadow_inter = NULL;
}
}
// If there aren't any shadows
if(!shadow_inter)
{
illum_cos = do_dot_product(normal_vec, light_vec);
// We only take it into account if the angle is lower than 90 degrees
if(illum_cos > 0)
{
Vector light_mirror_vec = subtract_vectors(multiply_vector(2 * illum_cos, normal_vec), light_vec);
// Attenuation factor, reduces the light energy depending on the distance
att_factor = get_attenuation_factor(light, light_distance);
spec_cos = do_dot_product(rev_dir_vec, light_mirror_vec);
// We add the light source effect
light_filter = multiply_color(illum_cos * inter.obj.light_material * att_factor, light_filter);
*all_lights_color = add_colors(*all_lights_color, multiply_colors(light_filter, light.color));
// The specular light, is the white stain on the objects
if(spec_cos > 0)
{
*all_spec_light += pow(spec_cos * inter.obj.specular_material * att_factor, inter.obj.specular_pow);
}
}
}
else free(shadow_inter);
}
/*
* Gets the color of the intersection by calculating light intensity,
* (which includes specular light, shadows, transparency, etc)
*
* light: Light for which the attenuation factor is calculated.
* distance: Distance between the light and an illuminated spot.
* mirror_level: Current level of reflection.
* conf: Configuration of the scene.
*/
Color get_intersection_color(Vector eye,
Vector dir_vec,
Intersection *inter_list,
int inter_length,
int mirror_level,
int transparency_level,
SceneConfig conf)
{
Intersection inter;
int light_index;
long double spec_light_factor, mirror_factor, transparency_factor;
Vector normal_vec, rev_dir_vec, reflection_vec;
Light light;
Color all_lights_color, color_found, reflection_color,
transparency_color, final_color;
inter = inter_list[transparency_level];
// Light intensity
all_lights_color = (Color){ .red = 0.0, .green = 0.0, .blue = 0.0 };
// Specular light intensity
spec_light_factor = 0.0;
normal_vec = get_normal_vector(&inter);
// Pick up the normal vector that is pointing to the eye
if(do_dot_product(normal_vec, dir_vec) > 0)
normal_vec = multiply_vector(-1, normal_vec);
// Initialize reverse direction vector for mirrors and specular light
rev_dir_vec = multiply_vector(-1, dir_vec);
for(light_index = 0; light_index < conf.lights_length; light_index++)
{
light = conf.lights[light_index];
apply_light_source(light, inter, normal_vec, rev_dir_vec, &all_lights_color, &spec_light_factor, conf);
}
// We add the environmental light of the scene
all_lights_color = add_colors(all_lights_color, multiply_color(inter.obj.light_ambiental, conf.environment_light));
if(spec_light_factor > 1.0)
spec_light_factor = 1.0;
color_found = multiply_colors(all_lights_color, inter.obj.color);
// Specular light gives a color between enlightened color and the light color.
color_found.red += (1 - color_found.red) * spec_light_factor;
color_found.green += (1 - color_found.green) * spec_light_factor;
color_found.blue += (1 - color_found.blue) * spec_light_factor;
// Get transparency color
transparency_factor = inter.obj.transparency_material;
if (transparency_level < conf.max_transparency_level &&
transparency_factor > 0.0)
{
if(transparency_level + 1 < inter_length)
{
transparency_color = get_intersection_color(eye,dir_vec,inter_list,inter_length,0,transparency_level+1, conf);
}
else
{
transparency_color = conf.background;
}
}
else
{
transparency_factor = 0.0;
transparency_color = get_empty_color();
}
// Get reflection color
mirror_factor = inter.obj.mirror_material;
if (mirror_level < conf.max_mirror_level &&
mirror_factor > 0.0)
{
reflection_vec = subtract_vectors(multiply_vector(2 * do_dot_product(normal_vec, rev_dir_vec), normal_vec), rev_dir_vec);
reflection_color = get_color(inter.posn, reflection_vec, mirror_level + 1, conf);
}
else
{
mirror_factor = 0;
reflection_color = get_empty_color();
}
// Calculate final color
transparency_color = multiply_color(transparency_factor, transparency_color);
reflection_color = multiply_color((1.0-transparency_factor) * mirror_factor, reflection_color);
color_found = multiply_color((1.0-transparency_factor) * (1.0-mirror_factor), color_found);
final_color = add_colors(transparency_color, add_colors(reflection_color, color_found));
return final_color;
}
/*
* Returns the color that is seen from the position 'eye' when looking at the
* tridimensional scene towards the direction 'dir_vec'.
*
* eye: Position from which the scene is seen.
* dir_vec: Direction at which the eye is looking. This vector must be normalized.
* mirror_level: Current level of reflection.
* conf: Configuration of the scene.
*/
Color get_color(Vector eye, Vector dir_vec, int mirror_level, SceneConfig conf)
{
Intersection *inter_list;
Color color;
// Get intersections on the given direction. Intersections are ordered from the nearest to the farthest.
int inter_list_length;
inter_list = get_intersections(eye, dir_vec, &inter_list_length, conf);
// If we don't find an intersection we return the background, otherwise we check for the intersections's color.
if (!inter_list) return conf.background;
color = get_intersection_color(eye, dir_vec, inter_list, inter_list_length, mirror_level, 0, conf);
free(inter_list);
return color;
}
void map::generate_lightmap(game* g)
{
memset(lm, 0, sizeof(lm));
memset(sm, 0, sizeof(sm));
const int dir_x[] = { 1, 0 , -1, 0 };
const int dir_y[] = { 0, 1 , 0, -1 };
const int dir_d[] = { 180, 270, 0, 90 };
const float luminance = g->u.active_light();
const float natural_light = g->natural_light_level();
// Daylight vision handling returned back to map due to issues it causes here
if (natural_light > LIGHT_SOURCE_BRIGHT) {
// Apply sunlight, first light source so just assign
for(int sx = 0; sx < LIGHTMAP_CACHE_X; ++sx) {
for(int sy = 0; sy < LIGHTMAP_CACHE_Y; ++sy) {
// In bright light indoor light exists to some degree
if (!g->m.is_outside(sx, sy))
lm[sx][sy] = LIGHT_AMBIENT_LOW;
}
}
}
// Apply player light sources
if (luminance > LIGHT_AMBIENT_LOW)
apply_light_source(g->u.posx, g->u.posy, luminance);
for(int sx = 0; sx < LIGHTMAP_CACHE_X; ++sx) {
for(int sy = 0; sy < LIGHTMAP_CACHE_Y; ++sy) {
const ter_id terrain = g->m.ter(sx, sy);
const std::vector<item> items = g->m.i_at(sx, sy);
const field current_field = g->m.field_at(sx, sy);
// When underground natural_light is 0, if this changes we need to revisit
if (natural_light > LIGHT_AMBIENT_LOW) {
if (!g->m.is_outside(sx, sy)) {
// Apply light sources for external/internal divide
for(int i = 0; i < 4; ++i) {
if (INBOUNDS(sx + dir_x[i], sy + dir_y[i]) &&
g->m.is_outside(sx + dir_x[i], sy + dir_y[i])) {
if (INBOUNDS(sx, sy) && g->m.is_outside(0, 0))
lm[sx][sy] = natural_light;
if (g->m.light_transparency(sx, sy) > LIGHT_TRANSPARENCY_SOLID)
apply_light_arc(sx, sy, dir_d[i], natural_light);
}
}
}
}
if (items.size() == 1 &&
items[0].type->id == itm_flashlight_on)
apply_light_source(sx, sy, 20);
if(terrain == t_lava)
apply_light_source(sx, sy, 50);
if(terrain == t_console)
apply_light_source(sx, sy, 3);
if (items.size() == 1 &&
items[0].type->id == itm_candle_lit)
apply_light_source(sx, sy, 4);
if(terrain == t_emergency_light)
apply_light_source(sx, sy, 3);
// TODO: [lightmap] Attach light brightness to fields
switch(current_field.type) {
case fd_fire:
if (3 == current_field.density)
apply_light_source(sx, sy, 160);
else if (2 == current_field.density)
apply_light_source(sx, sy, 60);
else
apply_light_source(sx, sy, 16);
break;
case fd_fire_vent:
case fd_flame_burst:
apply_light_source(sx, sy, 8);
break;
case fd_electricity:
if (3 == current_field.density)
apply_light_source(sx, sy, 8);
else if (2 == current_field.density)
apply_light_source(sx, sy, 1);
else
apply_light_source(sx, sy, LIGHT_SOURCE_LOCAL); // kinda a hack as the square will still get marked
break;
}
}
}
for (int i = 0; i < g->z.size(); ++i) {
int mx = g->z[i].posx;
int my = g->z[i].posy;
if (INBOUNDS(mx, my)) {
if (g->z[i].has_effect(ME_ONFIRE)) {
apply_light_source(mx, my, 3);
}
// TODO: [lightmap] Attach natural light brightness to creatures
// TODO: [lightmap] Allow creatures to have light attacks (ie: eyebot)
// TODO: [lightmap] Allow creatures to have facing and arc lights
switch (g->z[i].type->id) {
case mon_zombie_electric:
apply_light_source(mx, my, 1);
break;
case mon_turret:
apply_light_source(mx, my, 2);
break;
case mon_flaming_eye:
apply_light_source(mx, my, LIGHT_SOURCE_BRIGHT);
break;
case mon_manhack:
apply_light_source(mx, my, LIGHT_SOURCE_LOCAL);
break;
}
}
}
// Apply any vehicle light sources
VehicleList vehs = g->m.get_vehicles();
for(int v = 0; v < vehs.size(); ++v) {
if(vehs[v].v->lights_on) {
int dir = vehs[v].v->face.dir();
for (std::vector<int>::iterator part = vehs[v].v->external_parts.begin();
part != vehs[v].v->external_parts.end(); ++part) {
int px = vehs[v].x + vehs[v].v->parts[*part].precalc_dx[0];
int py = vehs[v].y + vehs[v].v->parts[*part].precalc_dy[0];
if(INBOUNDS(px, py)) {
int dpart = vehs[v].v->part_with_feature(*part , vpf_light);
if (dpart >= 0) {
float luminance = vehs[v].v->part_info(dpart).power;
if (luminance > LL_LIT) {
apply_light_arc(px, py, dir, luminance);
}
}
}
}
}
}
}
void map::generate_lightmap(game* g)
{
memset(lm, 0, sizeof(lm));
memset(sm, 0, sizeof(sm));
const int dir_x[] = { 1, 0 , -1, 0 };
const int dir_y[] = { 0, 1 , 0, -1 };
const int dir_d[] = { 180, 270, 0, 90 };
const float held_luminance = g->u.active_light();
const float natural_light = g->natural_light_level();
// Daylight vision handling returned back to map due to issues it causes here
if (natural_light > LIGHT_SOURCE_BRIGHT)
{
// Apply sunlight, first light source so just assign
for(int sx = 0; sx < LIGHTMAP_CACHE_X; ++sx)
{
for(int sy = 0; sy < LIGHTMAP_CACHE_Y; ++sy)
{
// In bright light indoor light exists to some degree
if (!g->m.is_outside(sx, sy))
{
lm[sx][sy] = LIGHT_AMBIENT_LOW;
}
else if (g->u.posx == sx && g->u.posy == sy )
{
//Only apply daylight on square where player is standing to avoid flooding
// the lightmap when in less than total sunlight.
lm[sx][sy] = natural_light;
}
}
}
}
// Apply player light sources
if (held_luminance > LIGHT_AMBIENT_LOW)
apply_light_source(g->u.posx, g->u.posy, held_luminance, trigdist);
int flood_basalt_check = 0; // does excessive lava need high quality lighting? Nope nope nope nope
for(int sx = 0; sx < LIGHTMAP_CACHE_X; ++sx) {
for(int sy = 0; sy < LIGHTMAP_CACHE_Y; ++sy) {
const ter_id terrain = g->m.ter(sx, sy);
const std::vector<item> &items = g->m.i_at(sx, sy);
field ¤t_field = g->m.field_at(sx, sy);
// When underground natural_light is 0, if this changes we need to revisit
if (natural_light > LIGHT_AMBIENT_LOW) {
if (!g->m.is_outside(sx, sy)) {
// Apply light sources for external/internal divide
for(int i = 0; i < 4; ++i) {
if (INBOUNDS(sx + dir_x[i], sy + dir_y[i]) &&
g->m.is_outside(sx + dir_x[i], sy + dir_y[i])) {
if (INBOUNDS(sx, sy) && g->m.is_outside(0, 0))
lm[sx][sy] = natural_light;
if (g->m.light_transparency(sx, sy) > LIGHT_TRANSPARENCY_SOLID)
apply_light_arc(sx, sy, dir_d[i], natural_light);
}
}
}
}
for( std::vector<item>::const_iterator itm = items.begin(); itm != items.end(); ++itm )
{
if ( itm->has_flag("LIGHT_20")) { apply_light_source(sx, sy, 20, trigdist); }
if ( itm->has_flag("LIGHT_1")) { apply_light_source(sx, sy, 1, trigdist); }
if ( itm->has_flag("LIGHT_4")) { apply_light_source(sx, sy, 4, trigdist); }
if ( itm->has_flag("LIGHT_8")) { apply_light_source(sx, sy, 8, trigdist); }
}
if(terrain == t_lava) {
flood_basalt_check++;
apply_light_source(sx, sy, 50, trigdist && flood_basalt_check < 512 ); // todo: optimize better
}
if(terrain == t_console)
apply_light_source(sx, sy, 3, false); // 3^2 circle is just silly
if(terrain == t_emergency_light)
apply_light_source(sx, sy, 3, false);
field_entry *cur = NULL;
for(std::map<field_id, field_entry*>::iterator field_list_it = current_field.getFieldStart(); field_list_it != current_field.getFieldEnd(); ++field_list_it){
cur = field_list_it->second;
if(cur == NULL) continue;
// TODO: [lightmap] Attach light brightness to fields
switch(cur->getFieldType()) {
case fd_fire:
if (3 == cur->getFieldDensity())
apply_light_source(sx, sy, 160, trigdist);
else if (2 == cur->getFieldDensity())
apply_light_source(sx, sy, 60, trigdist);
else
apply_light_source(sx, sy, 16, trigdist);
break;
case fd_fire_vent:
case fd_flame_burst:
apply_light_source(sx, sy, 8, trigdist);
break;
case fd_electricity:
case fd_plasma:
if (3 == cur->getFieldDensity())
apply_light_source(sx, sy, 8, trigdist);
else if (2 == cur->getFieldDensity())
apply_light_source(sx, sy, 1, trigdist);
else
apply_light_source(sx, sy, LIGHT_SOURCE_LOCAL, trigdist); // kinda a hack as the square will still get marked
break;
case fd_laser:
apply_light_source(sx, sy, 1, trigdist);
break;
}
}
}
}
for (int i = 0; i < g->num_zombies(); ++i) {
int mx = g->zombie(i).posx();
int my = g->zombie(i).posy();
if (INBOUNDS(mx, my)) {
if (g->zombie(i).has_effect(ME_ONFIRE)) {
apply_light_source(mx, my, 3, trigdist);
}
// TODO: [lightmap] Attach natural light brightness to creatures
// TODO: [lightmap] Allow creatures to have light attacks (ie: eyebot)
// TODO: [lightmap] Allow creatures to have facing and arc lights
switch (g->zombie(i).type->id) {
case mon_zombie_electric:
apply_light_source(mx, my, 1, trigdist);
break;
case mon_turret:
apply_light_source(mx, my, 2, trigdist);
break;
case mon_flaming_eye:
apply_light_source(mx, my, LIGHT_SOURCE_BRIGHT, trigdist);
break;
case mon_manhack:
apply_light_source(mx, my, LIGHT_SOURCE_LOCAL, trigdist);
break;
}
}
}
// Apply any vehicle light sources
VehicleList vehs = g->m.get_vehicles();
for(int v = 0; v < vehs.size(); ++v) {
if(vehs[v].v->lights_on) {
int dir = vehs[v].v->face.dir();
float veh_luminance=0.0;
float iteration=1.0;
for (std::vector<int>::iterator part = vehs[v].v->external_parts.begin();
part != vehs[v].v->external_parts.end(); ++part) {
int dpart = vehs[v].v->part_with_feature(*part , "LIGHT");
if (dpart >= 0) {
veh_luminance += ( vehs[v].v->part_info(dpart).power / iteration );
iteration=iteration * 1.1;
}
}
if (veh_luminance > LL_LIT) {
for (std::vector<int>::iterator part = vehs[v].v->external_parts.begin();
part != vehs[v].v->external_parts.end(); ++part) {
int px = vehs[v].x + vehs[v].v->parts[*part].precalc_dx[0];
int py = vehs[v].y + vehs[v].v->parts[*part].precalc_dy[0];
if(INBOUNDS(px, py)) {
int dpart = vehs[v].v->part_with_feature(*part , "LIGHT");
if (dpart >= 0) {
apply_light_arc(px, py, dir + vehs[v].v->parts[dpart].direction, veh_luminance, 45);
}
}
}
}
}
}
if (g->u.has_active_bionic("bio_night") ) {
for(int sx = 0; sx < LIGHTMAP_CACHE_X; ++sx)
{
for(int sy = 0; sy < LIGHTMAP_CACHE_Y; ++sy)
{
if (rl_dist(sx, sy, g->u.posx, g->u.posy) < 15)
{
lm[sx][sy] = 0;
}
}
}
}
}
void map::generate_lightmap( const int zlev )
{
auto &map_cache = get_cache( zlev );
auto &lm = map_cache.lm;
auto &sm = map_cache.sm;
auto &outside_cache = map_cache.outside_cache;
std::memset(lm, 0, sizeof(lm));
std::memset(sm, 0, sizeof(sm));
/* Bulk light sources wastefully cast rays into neighbors; a burning hospital can produce
significant slowdown, so for stuff like fire and lava:
* Step 1: Store the position and luminance in buffer via add_light_source, for efficient
checking of neighbors.
* Step 2: After everything else, iterate buffer and apply_light_source only in non-redundant
directions
* Step 3: ????
* Step 4: Profit!
*/
auto &light_source_buffer = map_cache.light_source_buffer;
std::memset(light_source_buffer, 0, sizeof(light_source_buffer));
constexpr int dir_x[] = { 0, -1 , 1, 0 }; // [0]
constexpr int dir_y[] = { -1, 0 , 0, 1 }; // [1][X][2]
constexpr int dir_d[] = { 90, 0, 180, 270 }; // [3]
const float natural_light = g->natural_light_level( zlev );
const float inside_light = (natural_light > LIGHT_SOURCE_BRIGHT) ?
LIGHT_AMBIENT_LOW + 1.0 : LIGHT_AMBIENT_MINIMAL;
// Apply sunlight, first light source so just assign
for( int sx = 0; sx < LIGHTMAP_CACHE_X; ++sx ) {
for( int sy = 0; sy < LIGHTMAP_CACHE_Y; ++sy ) {
// In bright light indoor light exists to some degree
if( !outside_cache[sx][sy] ) {
lm[sx][sy] = inside_light;
} else {
lm[sx][sy] = natural_light;
}
}
}
apply_character_light( g->u );
for( auto &n : g->active_npc ) {
apply_character_light( *n );
}
// Traverse the submaps in order
for (int smx = 0; smx < my_MAPSIZE; ++smx) {
for (int smy = 0; smy < my_MAPSIZE; ++smy) {
auto const cur_submap = get_submap_at_grid( smx, smy, zlev );
for (int sx = 0; sx < SEEX; ++sx) {
for (int sy = 0; sy < SEEY; ++sy) {
const int x = sx + smx * SEEX;
const int y = sy + smy * SEEY;
const tripoint p( x, y, zlev );
// Project light into any openings into buildings.
if (natural_light > LIGHT_SOURCE_BRIGHT && !outside_cache[p.x][p.y]) {
// Apply light sources for external/internal divide
for(int i = 0; i < 4; ++i) {
if (INBOUNDS(p.x + dir_x[i], p.y + dir_y[i]) &&
outside_cache[p.x + dir_x[i]][p.y + dir_y[i]]) {
lm[p.x][p.y] = natural_light;
if (light_transparency( p ) > LIGHT_TRANSPARENCY_SOLID) {
apply_directional_light( p, dir_d[i], natural_light );
}
}
}
}
if( cur_submap->lum[sx][sy] && has_items( p ) ) {
auto items = i_at( p );
add_light_from_items( p, items.begin(), items.end() );
}
const ter_id terrain = cur_submap->ter[sx][sy];
if (terrain == t_lava) {
add_light_source( p, 50 );
} else if (terrain == t_console) {
add_light_source( p, 10 );
} else if (terrain == t_utility_light) {
add_light_source( p, 240 );
}
for( auto &fld : cur_submap->fld[sx][sy] ) {
const field_entry *cur = &fld.second;
// TODO: [lightmap] Attach light brightness to fields
switch(cur->getFieldType()) {
case fd_fire:
if (3 == cur->getFieldDensity()) {
add_light_source( p, 160 );
} else if (2 == cur->getFieldDensity()) {
add_light_source( p, 60 );
} else {
add_light_source( p, 20 );
}
break;
case fd_fire_vent:
case fd_flame_burst:
add_light_source( p, 20 );
break;
case fd_electricity:
case fd_plasma:
if (3 == cur->getFieldDensity()) {
add_light_source( p, 20 );
} else if (2 == cur->getFieldDensity()) {
add_light_source( p, 4 );
} else {
// Kinda a hack as the square will still get marked.
apply_light_source( p, LIGHT_SOURCE_LOCAL );
}
break;
case fd_incendiary:
if (3 == cur->getFieldDensity()) {
add_light_source( p, 160 );
} else if (2 == cur->getFieldDensity()) {
add_light_source( p, 60 );
} else {
add_light_source( p, 20 );
}
break;
case fd_laser:
apply_light_source( p, 4 );
break;
case fd_spotlight:
add_light_source( p, 80 );
break;
case fd_dazzling:
add_light_source( p, 5 );
break;
default:
//Suppress warnings
break;
}
}
}
}
}
}
for (size_t i = 0; i < g->num_zombies(); ++i) {
auto &critter = g->zombie(i);
if(critter.is_hallucination()) {
continue;
}
const tripoint &mp = critter.pos();
if( inbounds( mp ) ) {
if (critter.has_effect( effect_onfire)) {
apply_light_source( mp, 8 );
}
// TODO: [lightmap] Attach natural light brightness to creatures
// TODO: [lightmap] Allow creatures to have light attacks (ie: eyebot)
// TODO: [lightmap] Allow creatures to have facing and arc lights
if (critter.type->luminance > 0) {
apply_light_source( mp, critter.type->luminance );
}
}
}
// Apply any vehicle light sources
VehicleList vehs = get_vehicles();
for( auto &vv : vehs ) {
vehicle *v = vv.v;
if(v->lights_on) {
int dir = v->face.dir();
float veh_luminance = 0.0;
float iteration = 1.0;
std::vector<int> light_indices = v->all_parts_with_feature(VPFLAG_CONE_LIGHT);
for( auto &light_indice : light_indices ) {
veh_luminance += ( v->part_info( light_indice ).bonus / iteration );
iteration = iteration * 1.1;
}
if (veh_luminance > LL_LIT) {
for( auto &light_indice : light_indices ) {
tripoint pp = tripoint( vv.x, vv.y, vv.z ) +
v->parts[light_indice].precalc[0];
if( inbounds( pp ) ) {
add_light_source( pp, SQRT_2 ); // Add a little surrounding light
apply_light_arc( pp, dir + v->parts[light_indice].direction,
veh_luminance, 45 );
}
}
}
}
if(v->overhead_lights_on) {
std::vector<int> light_indices = v->all_parts_with_feature(VPFLAG_CIRCLE_LIGHT);
for( auto &light_indice : light_indices ) {
if( ( calendar::turn % 2 &&
v->part_info( light_indice ).has_flag( VPFLAG_ODDTURN ) ) ||
( !( calendar::turn % 2 ) &&
v->part_info( light_indice ).has_flag( VPFLAG_EVENTURN ) ) ||
( !v->part_info( light_indice ).has_flag( VPFLAG_EVENTURN ) &&
!v->part_info( light_indice ).has_flag( VPFLAG_ODDTURN ) ) ) {
tripoint pp = tripoint( vv.x, vv.y, vv.z ) +
v->parts[light_indice].precalc[0];
if(inbounds( pp )) {
add_light_source( pp, v->part_info( light_indice ).bonus );
}
}
}
}
// why reinvent the [lightmap] wheel
if(v->dome_lights_on) {
std::vector<int> light_indices = v->all_parts_with_feature(VPFLAG_DOME_LIGHT);
for( auto &light_indice : light_indices ) {
tripoint pp = tripoint( vv.x, vv.y, vv.z ) +
v->parts[light_indice].precalc[0];
if( inbounds( pp )) {
add_light_source( pp, v->part_info( light_indice ).bonus );
}
}
}
if(v->aisle_lights_on) {
std::vector<int> light_indices = v->all_parts_with_feature(VPFLAG_AISLE_LIGHT);
for( auto &light_indice : light_indices ) {
tripoint pp = tripoint( vv.x, vv.y, vv.z ) +
v->parts[light_indice].precalc[0];
if( inbounds( pp )) {
add_light_source( pp, v->part_info( light_indice ).bonus );
}
}
}
if(v->has_atomic_lights) {
// atomic light is always on
std::vector<int> light_indices = v->all_parts_with_feature(VPFLAG_ATOMIC_LIGHT);
for( auto &light_indice : light_indices ) {
tripoint pp = tripoint( vv.x, vv.y, vv.z ) +
v->parts[light_indice].precalc[0];
if(inbounds( pp )) {
add_light_source( pp, v->part_info( light_indice ).bonus );
}
}
}
for( size_t p = 0; p < v->parts.size(); ++p ) {
tripoint pp = tripoint( vv.x, vv.y, vv.z ) +
v->parts[p].precalc[0];
if( !inbounds( pp ) ) {
continue;
}
if( v->part_flag( p, VPFLAG_CARGO ) && !v->part_flag( p, "COVERED" ) ) {
add_light_from_items( pp, v->get_items(p).begin(), v->get_items(p).end() );
}
}
}
/* Now that we have position and intensity of all bulk light sources, apply_ them
This may seem like extra work, but take a 12x12 raging inferno:
unbuffered: (12^2)*(160*4) = apply_light_ray x 92160
buffered: (12*4)*(160) = apply_light_ray x 7680
*/
const tripoint cache_start( 0, 0, zlev );
const tripoint cache_end( LIGHTMAP_CACHE_X, LIGHTMAP_CACHE_Y, zlev );
for( const tripoint &p : points_in_rectangle( cache_start, cache_end ) ) {
if( light_source_buffer[p.x][p.y] > 0.0 ) {
apply_light_source( p, light_source_buffer[p.x][p.y] );
}
}
if (g->u.has_active_bionic("bio_night") ) {
for( const tripoint &p : points_in_rectangle( cache_start, cache_end ) ) {
if( rl_dist( p, g->u.pos() ) < 15 ) {
lm[p.x][p.y] = LIGHT_AMBIENT_MINIMAL;
}
}
}
}
void light_map::generate(game* g, int x, int y, float natural_light, float luminance)
{
build_light_cache(g, x, y);
fill(lm, 0.0f);
fill(sm, 0.0f);
int dir_x[] = { 1, 0 , -1, 0 };
int dir_y[] = { 0, 1 , 0, -1 };
int dir_d[] = { 180, 270, 0, 90 };
// Daylight vision handling returned back to map due to issues it causes here
if (natural_light > LIGHT_SOURCE_BRIGHT) {
// Apply sunlight, first light source so just assign
for(int sx = x - SEEX; sx <= x + SEEX; ++sx) {
for(int sy = y - SEEY; sy <= y + SEEY; ++sy) {
// In bright light indoor light exists to some degree
if (!c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].is_outside)
lm[sx - x + SEEX][sy - y + SEEY] = LIGHT_AMBIENT_LOW;
}
}
}
// Apply player light sources
if (luminance > LIGHT_AMBIENT_LOW)
apply_light_source(x, y, x, y, luminance);
for(int sx = x - LIGHTMAP_RANGE_X; sx <= x + LIGHTMAP_RANGE_X; ++sx) {
for(int sy = y - LIGHTMAP_RANGE_Y; sy <= y + LIGHTMAP_RANGE_Y; ++sy) {
// When underground natural_light is 0, if this changes we need to revisit
if (natural_light > LIGHT_AMBIENT_LOW) {
if (!c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].is_outside) {
// Apply light sources for external/internal divide
for(int i = 0; i < 4; ++i) {
if (INBOUNDS_LARGE(sx - x + dir_x[i], sy - y + dir_y[i]) &&
c[sx - x + LIGHTMAP_RANGE_X + dir_x[i]][sy - y + LIGHTMAP_RANGE_Y + dir_y[i]].is_outside) {
if (INBOUNDS(sx - x, sy - y) && c[LIGHTMAP_RANGE_X][LIGHTMAP_RANGE_Y].is_outside)
lm[sx - x + SEEX][sy - y + SEEY] = natural_light;
if (c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].transparency > LIGHT_TRANSPARENCY_SOLID)
apply_light_arc(sx, sy, dir_d[i], x, y, natural_light);
}
}
}
}
if (g->m.i_at(sx, sy).size() == 1 &&
g->m.i_at(sx, sy)[0].type->id == itm_flashlight_on)
apply_light_source(sx, sy, x, y, 20);
if(g->m.ter(sx, sy) == t_lava)
apply_light_source(sx, sy, x, y, 50);
if(g->m.ter(sx, sy) == t_console)
apply_light_source(sx, sy, x, y, 3);
if (g->m.i_at(sx, sy).size() == 1 &&
g->m.i_at(sx, sy)[0].type->id == itm_candle_lit)
apply_light_source(sx, sy, x, y, 4);
if(g->m.ter(sx, sy) == t_emergency_light)
apply_light_source(sx, sy, x, y, 3);
// TODO: [lightmap] Attach light brightness to fields
switch(g->m.field_at(sx, sy).type) {
case fd_fire:
if (3 == g->m.field_at(sx, sy).density)
apply_light_source(sx, sy, x, y, 160);
else if (2 == g->m.field_at(sx, sy).density)
apply_light_source(sx, sy, x, y, 60);
else
apply_light_source(sx, sy, x, y, 16);
break;
case fd_fire_vent:
case fd_flame_burst:
apply_light_source(sx, sy, x, y, 8);
break;
case fd_electricity:
if (3 == g->m.field_at(sx, sy).density)
apply_light_source(sx, sy, x, y, 8);
else if (2 == g->m.field_at(sx, sy).density)
apply_light_source(sx, sy, x, y, 1);
else
apply_light_source(sx, sy, x, y, LIGHT_SOURCE_LOCAL); // kinda a hack as the square will still get marked
break;
}
// Apply any vehicle light sources
if (c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].veh &&
c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].veh_light > LL_DARK) {
if (c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].veh_light > LL_LIT) {
int dir = c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].veh->face.dir();
float luminance = c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].veh_light;
apply_light_arc(sx, sy, dir, x, y, luminance);
}
}
if (c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].mon >= 0) {
if (g->z[c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].mon].has_effect(ME_ONFIRE))
apply_light_source(sx, sy, x, y, 3);
// TODO: [lightmap] Attach natural light brightness to creatures
// TODO: [lightmap] Allow creatures to have light attacks (ie: eyebot)
// TODO: [lightmap] Allow creatures to have facing and arc lights
switch(g->z[c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].mon].type->id) {
case mon_zombie_electric:
apply_light_source(sx, sy, x, y, 1);
break;
case mon_flaming_eye:
apply_light_source(sx, sy, x, y, LIGHT_SOURCE_BRIGHT);
break;
case mon_manhack:
apply_light_source(sx, sy, x, y, LIGHT_SOURCE_LOCAL);
break;
}
}
}
}
}
void light_map::generate(game* g, int x, int y, float natural_light, float luminance)
{
build_light_cache(g, x, y);
memset(lm, 0, sizeof(lm));
memset(sm, 0, sizeof(sm));
int dir_x[] = { 1, 0 , -1, 0 };
int dir_y[] = { 0, 1 , 0, -1 };
int dir_d[] = { 180, 270, 0, 90 };
//g->add_msg("natural_light %f", natural_light);
//CAT-mgs: this is just for indoors to initialize it at low ambient light
if(natural_light > LIGHT_AMBIENT_LOW) // LIGHT_SOURCE_BRIGHT
{
for(int sx = x - CAT_VX; sx <= x + CAT_VX; ++sx)
{
for(int sy = y - CAT_VY; sy <= y + CAT_VY; ++sy)
{
if(!is_outside(sx - x + g->u.view_offset_x, sy - y + g->u.view_offset_y))
lm[sx - x + CAT_VX][sy - y + CAT_VY] = LIGHT_AMBIENT_LOW;
}
}
}
if(luminance > LIGHT_AMBIENT_LOW)
apply_light_source(g->u.posx, g->u.posy, x, y, luminance);
for(int sx = x - LIGHTMAP_RANGE_X; sx <= x + LIGHTMAP_RANGE_X; ++sx) {
for(int sy = y - LIGHTMAP_RANGE_Y; sy <= y + LIGHTMAP_RANGE_Y; ++sy) {
const ter_id terrain = g->m.ter(sx, sy);
const std::vector<item> items = g->m.i_at(sx, sy);
const field current_field = g->m.field_at(sx, sy);
// When underground natural_light is 0, if this changes we need to revisit
if (natural_light > LIGHT_AMBIENT_LOW) {
int lx= sx - x + g->u.view_offset_x;
int ly= sy - y + g->u.view_offset_y;
if(!is_outside(lx, ly)) {
// Apply light sources for external/internal divide
for(int i = 0; i < 4; ++i) {
if(INBOUNDS_LARGE(lx + dir_x[i], ly + dir_y[i])
&& is_outside(lx + dir_x[i], ly + dir_y[i]))
{
//CAT-mgs: I did that above, didn't I?
//... no, yes, what's this for anyway?
if(INBOUNDS(sx - x, sy - y) && is_outside(0, 0))
lm[sx - x + CAT_VX][sy - y + CAT_VY]= natural_light;
if(c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].transparency > LIGHT_TRANSPARENCY_SOLID)
apply_light_arc(sx, sy, dir_d[i], x, y, natural_light);
}
}
}
}
//CAT-g:
if(items.size() > 0)
{
if(items[0].type->id == itm_flashlight_on
|| items[items.size()-1].type->id == itm_flashlight_on)
apply_light_source(sx, sy, x, y, 48);
if(items[0].type->id == itm_torch_lit
|| items[items.size()-1].type->id == itm_torch_lit)
apply_light_source(sx, sy, x, y, 20);
if(items[0].type->id == itm_candle_lit
|| items[items.size()-1].type->id == itm_candle_lit)
apply_light_source(sx, sy, x, y, 9);
}
if(terrain == t_lava)
apply_light_source(sx, sy, x, y, 48);
if(terrain == t_console)
apply_light_source(sx, sy, x, y, 3);
if(terrain == t_emergency_light)
apply_light_source(sx, sy, x, y, 3);
// TODO: [lightmap] Attach light brightness to fields
switch(current_field.type) {
case fd_fire:
if(current_field.density > 5)
apply_light_source(sx, sy, x, y, 48);
else if (current_field.density > 2)
apply_light_source(sx, sy, x, y, 20);
else
apply_light_source(sx, sy, x, y, 9);
break;
case fd_fire_vent:
apply_light_source(sx, sy, x, y, 3);
case fd_flame_burst:
apply_light_source(sx, sy, x, y, 8);
break;
case fd_electricity:
if (3 == current_field.density)
apply_light_source(sx, sy, x, y, 9);
else if (2 == current_field.density)
apply_light_source(sx, sy, x, y, 1);
else
apply_light_source(sx, sy, x, y, LIGHT_SOURCE_LOCAL); // kinda a hack as the square will still get marked
break;
}
// Apply any vehicle light sources
if (c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].veh &&
c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].veh_light > LL_DARK) {
if (c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].veh_light > LL_LIT) {
int dir = c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].veh->face.dir();
//CAT-g: longer range headlights
// float luminance = c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].veh_light;
float luminance = 4000 + c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].veh_light;
apply_light_arc(sx, sy, dir, x, y, luminance);
}
}
if (c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].mon >= 0) {
if (g->z[c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].mon].has_effect(ME_ONFIRE))
apply_light_source(sx, sy, x, y, 3);
// TODO: [lightmap] Attach natural light brightness to creatures
// TODO: [lightmap] Allow creatures to have light attacks (ie: eyebot)
// TODO: [lightmap] Allow creatures to have facing and arc lights
switch(g->z[c[sx - x + LIGHTMAP_RANGE_X][sy - y + LIGHTMAP_RANGE_Y].mon].type->id) {
case mon_zombie_electric:
apply_light_source(sx, sy, x, y, 1);
break;
case mon_turret:
apply_light_source(sx, sy, x, y, 2);
break;
case mon_flaming_eye:
apply_light_source(sx, sy, x, y, LIGHT_SOURCE_BRIGHT);
break;
case mon_manhack:
apply_light_source(sx, sy, x, y, LIGHT_SOURCE_LOCAL);
break;
}
}
}
}
}
