OrdinaryMagician/vkdoom_m
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Dynamic lights on flats

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This commit is contained in:
Magnus Norddahl 2016-12-22 08:42:21 +01:00
commit 4f7c1dfdf5
7 changed files with 69 additions and 9 deletions
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10
src/r_plane.cpp
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@ -259,11 +259,11 @@ void R_MapPlane (int y, int x1)
if (r_swtruecolor)
{
// Find row position in view space
float zspan = (float)((CenterY - y - 0.5) * InvZtoScale / planeheight);
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)planeheight;
dc_viewpos_step.X = (float)(-zspan / InvZtoScale);
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;
@ -286,9 +286,9 @@ void R_MapPlane (int y, int x1)
auto &light = dc_lights[dc_num_lights++];
light.x = (float)(lightX * ViewSin - lightY * ViewCos);
light.y = (float)(lightX * ViewTanCos + lightY * ViewTanSin) - dc_viewpos.Y;
light.z = (float)(lightZ - dc_viewpos.Z);
light.z = (float)lightZ - dc_viewpos.Z;
light.radius = 256.0f / cur_node->lightsource->GetRadius();
light.color = 0xff000000 | (red << 16) | (green << 8) | blue;
light.color = (red << 16) | (green << 8) | blue;
// Precalculate the constant part of the dot here so the drawer doesn't have to.
light.y = light.y * light.y + light.z * light.z;