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- added dynamic light drawer for flats.

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This commit is contained in:
Christoph Oelckers 2016-05-05 00:24:47 +02:00
parent 4412f99b38
commit c9d4c68039
1 changed files with 91 additions and 0 deletions
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91
src/gl/compatibility/gl_20.cpp
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@ -54,6 +54,7 @@
#include "gl/system/gl_cvars.h"
#include "gl/renderer/gl_renderstate.h"
#include "gl/scene/gl_drawinfo.h"
#include "gl/data/gl_vertexbuffer.h"
//==========================================================================
@ -376,6 +377,7 @@ void FRenderState::DrawColormapOverlay()
// Sets up the parameters to render one dynamic light onto one plane
//
//==========================================================================
bool gl_SetupLight(int group, Plane & p, ADynamicLight * light, Vector & nearPt, Vector & up, Vector & right,
float & scale, int desaturation, bool checkside, bool forceadditive)
{
@ -575,6 +577,95 @@ void GLWall::RenderFogBoundaryCompat()
gl_RenderState.EnableTexture(true);
}
//==========================================================================
//
// Flats
//
//==========================================================================
enum
{
LIGHTPASS_MULT,
LIGHTPASS_ADD,
LIGHTPASS_FOG
};
void GLFlat::DrawSubsectorLights(subsector_t * sub, int pass)
{
Plane p;
Vector nearPt, up, right, t1;
float scale;
unsigned int k;
seg_t *v;
FLightNode * node = sub->lighthead;
gl_RenderState.Apply();
while (node)
{
ADynamicLight * light = node->lightsource;
if (light->flags2&MF2_DORMANT)
{
node = node->nextLight;
continue;
}
switch (pass)
{
case LIGHTPASS_MULT:
if (light->IsAdditive())
{
node = node->nextLight;
continue;
}
break;
case LIGHTPASS_ADD:
if (!light->IsAdditive())
{
node = node->nextLight;
continue;
}
break;
default:
break;
}
// we must do the side check here because gl_SetupLight needs the correct plane orientation
// which we don't have for Legacy-style 3D-floors
double planeh = plane.plane.ZatPoint(light);
if (gl_lights_checkside && ((planeh<light->Z() && ceiling) || (planeh>light->Z() && !ceiling)))
{
node = node->nextLight;
continue;
}
p.Set(plane.plane);
if (!gl_SetupLight(sub->sector->PortalGroup, p, light, nearPt, up, right, scale, CM_DEFAULT, false, foggy))
{
node = node->nextLight;
continue;
}
FFlatVertex *ptr = GLRenderer->mVBO->GetBuffer();
for (unsigned int k = 0; k < sub->numlines; k++)
{
vertex_t *vt = sub->firstline[k].v1;
ptr->x = vt->fX();
ptr->z = plane.plane.ZatPoint(vt) + dz;
ptr->y = vt->fY();
t1.Set(ptr->x, ptr->z, ptr->y);
Vector nearToVert = t1 - nearPt;
ptr->u = (nearToVert.Dot(right) * scale) + 0.5f;
ptr->v = (nearToVert.Dot(up) * scale) + 0.5f;
ptr++;
}
GLRenderer->mVBO->RenderCurrent(ptr, GL_TRIANGLE_FAN);
node = node->nextLight;
}
}
//==========================================================================
//
//