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Fix span dynamic light rendering glitch

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Magnus Norddahl 2017-03-10 16:23:16 +01:00 committed by Rachael Alexanderson
parent 1e7ea1c7ff
commit d75e09f545
1 changed files with 15 additions and 11 deletions
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26
src/swrenderer/plane/r_flatplane.cpp
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@ -209,19 +209,27 @@ namespace swrenderer
drawerargs.dc_viewpos.Z = (float)((viewport->CenterY - y - 0.5) / viewport->InvZtoScale * zspan); drawerargs.dc_viewpos.Z = (float)((viewport->CenterY - y - 0.5) / viewport->InvZtoScale * zspan);
drawerargs.dc_viewpos_step.X = (float)(zspan / viewport->CenterX); drawerargs.dc_viewpos_step.X = (float)(zspan / viewport->CenterX);
static DrawerLight lightbuffer[64 * 1024];
static int nextlightindex = 0;
// Plane normal // Plane normal
drawerargs.dc_normal.X = 0.0f; drawerargs.dc_normal.X = 0.0f;
drawerargs.dc_normal.Y = 0.0f; drawerargs.dc_normal.Y = 0.0f;
drawerargs.dc_normal.Z = (y >= viewport->CenterY) ? 1.0f : -1.0f; drawerargs.dc_normal.Z = (y >= viewport->CenterY) ? 1.0f : -1.0f;
// Setup lights for row // Calculate max lights that can touch the row so we can allocate memory for the list
drawerargs.dc_num_lights = 0; int max_lights = 0;
drawerargs.dc_lights = lightbuffer + nextlightindex;
VisiblePlaneLight *cur_node = light_list; VisiblePlaneLight *cur_node = light_list;
while (cur_node && nextlightindex < 64 * 1024) while (cur_node)
{
if (!(cur_node->lightsource->flags2&MF2_DORMANT))
max_lights++;
cur_node = cur_node->next;
}
drawerargs.dc_num_lights = 0;
drawerargs.dc_lights = Thread->FrameMemory->AllocMemory<DrawerLight>(max_lights);
// Setup lights for row
cur_node = light_list;
while (cur_node)
{ {
double lightX = cur_node->lightsource->X() - ViewPos.X; double lightX = cur_node->lightsource->X() - ViewPos.X;
double lightY = cur_node->lightsource->Y() - ViewPos.Y; double lightY = cur_node->lightsource->Y() - ViewPos.Y;
@ -244,7 +252,6 @@ namespace swrenderer
uint32_t green = cur_node->lightsource->GetGreen(); uint32_t green = cur_node->lightsource->GetGreen();
uint32_t blue = cur_node->lightsource->GetBlue(); uint32_t blue = cur_node->lightsource->GetBlue();
nextlightindex++;
auto &light = drawerargs.dc_lights[drawerargs.dc_num_lights++]; auto &light = drawerargs.dc_lights[drawerargs.dc_num_lights++];
light.x = lx; light.x = lx;
light.y = lconstant; light.y = lconstant;
@ -255,9 +262,6 @@ namespace swrenderer
cur_node = cur_node->next; cur_node = cur_node->next;
} }
if (nextlightindex == 64 * 1024)
nextlightindex = 0;
} }
else else
{ {