void gl_SetDynModelLight(AActor *self, bool hudmodel)
{
// Legacy and deferred render paths gets the old flat model light
if (gl.lightmethod != LM_DIRECT)
{
gl_SetDynSpriteLight(self, nullptr);
return;
}
modellightdata.Clear();
if (self)
{
static std::vector<ADynamicLight*> addedLights; // static so that we build up a reserve (memory allocations stop)
addedLights.clear();
float x = self->X();
float y = self->Y();
float z = self->Center();
float radiusSquared = self->renderradius * self->renderradius;
BSPWalkCircle(x, y, radiusSquared, [&](subsector_t *subsector) // Iterate through all subsectors potentially touched by actor
{
FLightNode * node = subsector->lighthead;
while (node) // check all lights touching a subsector
{
ADynamicLight *light = node->lightsource;
if (light->visibletoplayer && !(light->flags2&MF2_DORMANT) && (!(light->lightflags&LF_DONTLIGHTSELF) || light->target != self) && !(light->lightflags&LF_DONTLIGHTACTORS))
{
int group = subsector->sector->PortalGroup;
DVector3 pos = light->PosRelative(group);
float radius = light->GetRadius();
double dx = pos.X - x;
double dy = pos.Y - y;
double dz = pos.Z - z;
double distSquared = dx * dx + dy * dy + dz * dz;
if (distSquared < radiusSquared + radius * radius) // Light and actor touches
{
if (std::find(addedLights.begin(), addedLights.end(), light) == addedLights.end()) // Check if we already added this light from a different subsector
{
gl_AddLightToList(group, light, modellightdata, hudmodel);
addedLights.push_back(light);
}
}
}
node = node->nextLight;
}
});
}
gl_RenderState.SetDynLight(0, 0, 0);
modellightindex = GLRenderer->mLights->UploadLights(modellightdata);
}
void hw_GetDynModelLight(AActor *self, FDynLightData &modellightdata)
{
modellightdata.Clear();
if (self)
{
auto &addedLights = addedLightsArray; // avoid going through the thread local storage for each use.
addedLights.Clear();
float x = (float)self->X();
float y = (float)self->Y();
float z = (float)self->Center();
float radiusSquared = (float)(self->renderradius * self->renderradius);
dl_validcount++;
BSPWalkCircle(self->Level, x, y, radiusSquared, [&](subsector_t *subsector) // Iterate through all subsectors potentially touched by actor
{
auto section = subsector->section;
if (section->validcount == dl_validcount) return; // already done from a previous subsector.
FLightNode * node = section->lighthead;
while (node) // check all lights touching a subsector
{
FDynamicLight *light = node->lightsource;
if (light->ShouldLightActor(self))
{
int group = subsector->sector->PortalGroup;
DVector3 pos = light->PosRelative(group);
float radius = (float)(light->GetRadius() + self->renderradius);
double dx = pos.X - x;
double dy = pos.Y - y;
double dz = pos.Z - z;
double distSquared = dx * dx + dy * dy + dz * dz;
if (distSquared < radius * radius) // Light and actor touches
{
if (std::find(addedLights.begin(), addedLights.end(), light) == addedLights.end()) // Check if we already added this light from a different subsector
{
modellightdata.AddLightToList(group, light, true);
addedLights.Push(light);
}
}
}
node = node->nextLight;
}
});
}
}
void PolyModelRenderer::AddLights(AActor *actor)
{
if (r_dynlights && actor)
{
auto &addedLights = Thread->AddedLightsArray;
addedLights.Clear();
float x = (float)actor->X();
float y = (float)actor->Y();
float z = (float)actor->Center();
float radiusSquared = (float)(actor->renderradius * actor->renderradius);
BSPWalkCircle(x, y, radiusSquared, [&](subsector_t *subsector) // Iterate through all subsectors potentially touched by actor
{
FLightNode * node = subsector->lighthead;
while (node) // check all lights touching a subsector
{
ADynamicLight *light = node->lightsource;
if (light->visibletoplayer && !(light->flags2&MF2_DORMANT) && (!(light->lightflags&LF_DONTLIGHTSELF) || light->target != actor) && !(light->lightflags&LF_DONTLIGHTACTORS))
{
int group = subsector->sector->PortalGroup;
DVector3 pos = light->PosRelative(group);
float radius = (float)(light->GetRadius() + actor->renderradius);
double dx = pos.X - x;
double dy = pos.Y - y;
double dz = pos.Z - z;
double distSquared = dx * dx + dy * dy + dz * dz;
if (distSquared < radius * radius) // Light and actor touches
{
if (std::find(addedLights.begin(), addedLights.end(), light) == addedLights.end()) // Check if we already added this light from a different subsector
{
addedLights.Push(light);
}
}
}
node = node->nextLight;
}
});
NumLights = addedLights.Size();
Lights = Thread->FrameMemory->AllocMemory<PolyLight>(NumLights);
for (int i = 0; i < NumLights; i++)
{
ADynamicLight *lightsource = addedLights[i];
bool is_point_light = (lightsource->lightflags & LF_ATTENUATE) != 0;
uint32_t red = lightsource->GetRed();
uint32_t green = lightsource->GetGreen();
uint32_t blue = lightsource->GetBlue();
PolyLight &light = Lights[i];
light.x = (float)lightsource->X();
light.y = (float)lightsource->Y();
light.z = (float)lightsource->Z();
light.radius = 256.0f / lightsource->GetRadius();
light.color = (red << 16) | (green << 8) | blue;
if (is_point_light)
light.radius = -light.radius;
}
}
}
