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Hooked up dynamic light on walls

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This commit is contained in:
Magnus Norddahl 2016-12-21 07:33:28 +01:00
commit 4e56c9a41a
6 changed files with 99 additions and 26 deletions
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73
src/r_walldraw.cpp
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@ -42,6 +42,8 @@
#include "r_3dfloors.h"
#include "v_palette.h"
#include "r_data/colormaps.h"
#include "gl/dynlights/gl_dynlight.h"
#include "r_drawers.h"
namespace swrenderer
{
@ -537,6 +539,53 @@ static void Draw1Column(int x, int y1, int y2, WallSampler &sampler, void(*draw1
{
if (r_swtruecolor)
{
// Find column position in view space
float w1 = 1.0f / WallC.sz1;
float w2 = 1.0f / WallC.sz2;
float t = (x - WallC.sx1 + 0.5f) / (WallC.sx2 - WallC.sx1);
float wcol = w1 * (1.0f - t) + w2 * t;
float zcol = 1.0f / wcol;
float xcol = (WallC.tleft.X * w1 * (1.0f - t) + WallC.tright.X * w2 * t) * zcol;
float ycol = (WallC.tleft.Y * w1 * (1.0f - t) + WallC.tright.Y * w2 * t) * zcol;
dc_viewpos.X = xcol;
dc_viewpos.Y = ycol;
dc_viewpos.Z = (float)((CenterY - y1 - 0.5) / InvZtoScale * zcol);
dc_viewpos_step.Z = (float)(-zcol / InvZtoScale);
static TriLight lightbuffer[64 * 1024];
static int nextlightindex = 0;
// Setup lights for column
dc_num_lights = 0;
dc_lights = lightbuffer + nextlightindex;
FLightNode *cur_node = dc_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 = (float)(lightX * ViewSin - lightY * ViewCos) - dc_viewpos.X;
light.y = (float)(lightX * ViewTanCos + lightY * ViewTanSin) - dc_viewpos.Y;
light.z = (float)lightZ;
light.radius = 256.0f / cur_node->lightsource->GetRadius();
light.color = 0xff000000 | (red << 16) | (green << 8) | blue;
// Precalculate the constant part of the dot here so the drawer doesn't have to.
light.x = light.x * light.x + light.y * light.y;
cur_node = cur_node->nextLight;
}
if (nextlightindex == 64 * 1024)
nextlightindex = 0;
int count = y2 - y1;
dc_source = sampler.source;
@ -738,6 +787,25 @@ static void ProcessWallWorker(
float light = rw_light;
double xmagnitude = 1.0;
#if !defined(NO_DYNAMIC_SWLIGHTS)
for (int x = x1; x < x2; x++, light += rw_lightstep)
{
int y1 = uwal[x];
int y2 = dwal[x];
if (y2 <= y1)
continue;
if (!fixed)
R_SetColorMapLight(basecolormap, light, wallshade);
if (x + 1 < x2) xmagnitude = fabs(FIXED2DBL(lwal[x + 1]) - FIXED2DBL(lwal[x]));
WallSampler sampler(y1, swal[x], yrepeat, lwal[x] + xoffset, xmagnitude, rw_pic, getcol);
Draw1Column(x, y1, y2, sampler, draw1column);
}
#else
// Calculate where 4 column alignment begins and ends:
int aligned_x1 = clamp((x1 + 3) / 4 * 4, x1, x2);
int aligned_x2 = clamp(x2 / 4 * 4, x1, x2);
@ -872,6 +940,7 @@ static void ProcessWallWorker(
WallSampler sampler(y1, swal[x], yrepeat, lwal[x] + xoffset, xmagnitude, rw_pic, getcol);
Draw1Column(x, y1, y2, sampler, draw1column);
}
#endif
NetUpdate();
}
@ -1077,8 +1146,9 @@ void R_DrawDrawSeg(drawseg_t *ds, int x1, int x2, short *uwal, short *dwal, floa
}
void R_DrawWallSegment(FTexture *rw_pic, int x1, int x2, short *walltop, short *wallbottom, float *swall, fixed_t *lwall, double yscale, double top, double bottom, bool mask)
void R_DrawWallSegment(FTexture *rw_pic, int x1, int x2, short *walltop, short *wallbottom, float *swall, fixed_t *lwall, double yscale, double top, double bottom, bool mask, FLightNode *light_list)
{
dc_light_list = light_list;
if (rw_pic->GetHeight() != 1 << rw_pic->HeightBits)
{
ProcessWallNP2(x1, x2, walltop, wallbottom, swall, lwall, yscale, top, bottom, false);
@ -1087,6 +1157,7 @@ void R_DrawWallSegment(FTexture *rw_pic, int x1, int x2, short *walltop, short *
{
ProcessWall(x1, x2, walltop, wallbottom, swall, lwall, yscale, false);
}
dc_light_list = nullptr;
}
void R_DrawSkySegment(visplane_t *pl, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat, const BYTE *(*getcol)(FTexture *tex, int x))