bool light_map::sees(int fx, int fy, int tx, int ty, int max_range)
{
if(!INBOUNDS_LARGE(fx, fy) || !INBOUNDS_LARGE(tx, ty))
return false;
if (max_range >= 0 && (abs(tx - fx) > max_range || abs(ty - fy) > max_range))
return false; // Out of range!
int ax = abs(tx - fx) << 1;
int ay = abs(ty - fy) << 1;
int dx = (fx < tx) ? 1 : -1;
int dy = (fy < ty) ? 1 : -1;
int x = fx;
int y = fy;
float transparency = LIGHT_TRANSPARENCY_CLEAR;
// TODO: [lightmap] Pull out the common code here rather than duplication
if (ax > ay) {
int t = ay - (ax >> 1);
do {
if(t >= 0 && ((y + dy != ty) || (x + dx == tx))) {
y += dy;
t -= ax;
}
x += dx;
t += ay;
if(c[x + LIGHTMAP_RANGE_X][y + LIGHTMAP_RANGE_Y].transparency == LIGHT_TRANSPARENCY_SOLID)
break;
} while(!(x == tx && y == ty));
} else {
bool light_map::is_outside(int dx, int dy)
{
// We don't know and true seems a better default than false
if (!INBOUNDS_LARGE(dx, dy))
return true;
return c[dx + LIGHTMAP_RANGE_X][dy + LIGHTMAP_RANGE_Y].is_outside;
}
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;
}
}
}
}
}
