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Add menu option to enable dynamic lights (independent of the OpenGL setting so that you can have it on in OpenGL and off in Software)

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This commit is contained in:
Magnus Norddahl 2016-12-23 23:44:52 +01:00
commit 2bb2395569
6 changed files with 111 additions and 89 deletions
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90
src/r_plane.cpp
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@ -258,54 +258,61 @@ void R_MapPlane (int y, int x1)
if (r_swtruecolor)
{
// Find row position in view space
float zspan = planeheight / (fabs(y + 0.5 - CenterY) / InvZtoScale);
dc_viewpos.X = (float)((x1 + 0.5 - CenterX) / CenterX * zspan);
dc_viewpos.Y = zspan;
dc_viewpos.Z = (float)((CenterY - y - 0.5) / InvZtoScale * zspan);
dc_viewpos_step.X = (float)(zspan / CenterX);
static TriLight lightbuffer[64 * 1024];
static int nextlightindex = 0;
// Setup lights for column
dc_num_lights = 0;
dc_lights = lightbuffer + nextlightindex;
visplane_light *cur_node = ds_light_list;
while (cur_node && nextlightindex < 64 * 1024)
if (r_dynlights)
{
double lightX = cur_node->lightsource->X() - ViewPos.X;
double lightY = cur_node->lightsource->Y() - ViewPos.Y;
double lightZ = cur_node->lightsource->Z() - ViewPos.Z;
// Find row position in view space
float zspan = planeheight / (fabs(y + 0.5 - CenterY) / InvZtoScale);
dc_viewpos.X = (float)((x1 + 0.5 - CenterX) / CenterX * zspan);
dc_viewpos.Y = zspan;
dc_viewpos.Z = (float)((CenterY - y - 0.5) / InvZtoScale * zspan);
dc_viewpos_step.X = (float)(zspan / CenterX);
float lx = (float)(lightX * ViewSin - lightY * ViewCos);
float ly = (float)(lightX * ViewTanCos + lightY * ViewTanSin) - dc_viewpos.Y;
float lz = (float)lightZ - dc_viewpos.Z;
static TriLight lightbuffer[64 * 1024];
static int nextlightindex = 0;
// Precalculate the constant part of the dot here so the drawer doesn't have to.
float lconstant = ly * ly + lz * lz;
// Include light only if it touches this row
float radius = cur_node->lightsource->GetRadius();
if (radius * radius >= lconstant)
// Setup lights for column
dc_num_lights = 0;
dc_lights = lightbuffer + nextlightindex;
visplane_light *cur_node = ds_light_list;
while (cur_node && nextlightindex < 64 * 1024)
{
uint32_t red = cur_node->lightsource->GetRed();
uint32_t green = cur_node->lightsource->GetGreen();
uint32_t blue = cur_node->lightsource->GetBlue();
double lightX = cur_node->lightsource->X() - ViewPos.X;
double lightY = cur_node->lightsource->Y() - ViewPos.Y;
double lightZ = cur_node->lightsource->Z() - ViewPos.Z;
nextlightindex++;
auto &light = dc_lights[dc_num_lights++];
light.x = lx;
light.y = lconstant;
light.radius = 256.0f / radius;
light.color = (red << 16) | (green << 8) | blue;
float lx = (float)(lightX * ViewSin - lightY * ViewCos);
float ly = (float)(lightX * ViewTanCos + lightY * ViewTanSin) - dc_viewpos.Y;
float lz = (float)lightZ - dc_viewpos.Z;
// Precalculate the constant part of the dot here so the drawer doesn't have to.
float lconstant = ly * ly + lz * lz;
// Include light only if it touches this row
float radius = cur_node->lightsource->GetRadius();
if (radius * radius >= lconstant)
{
uint32_t red = cur_node->lightsource->GetRed();
uint32_t green = cur_node->lightsource->GetGreen();
uint32_t blue = cur_node->lightsource->GetBlue();
nextlightindex++;
auto &light = dc_lights[dc_num_lights++];
light.x = lx;
light.y = lconstant;
light.radius = 256.0f / radius;
light.color = (red << 16) | (green << 8) | blue;
}
cur_node = cur_node->next;
}
cur_node = cur_node->next;
if (nextlightindex == 64 * 1024)
nextlightindex = 0;
}
else
{
dc_num_lights = 0;
}
if (nextlightindex == 64 * 1024)
nextlightindex = 0;
}
ds_y = y;
@ -348,6 +355,9 @@ namespace
void R_AddPlaneLights(visplane_t *plane, FLightNode *node)
{
if (!r_dynlights)
return;
while (node)
{
if (!(node->lightsource->flags2&MF2_DORMANT))