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Add support for multiple portals

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This commit is contained in:
Magnus Norddahl 2016-11-25 17:14:26 +01:00
parent 3de7f1a387
commit 93af906a1d
5 changed files with 24 additions and 12 deletions
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3
src/r_poly.cpp
View file

@ -44,7 +44,7 @@ void RenderPolyScene::Render()
ClearBuffers();
SetSceneViewport();
SetupPerspectiveMatrix();
MainPortal.SetViewpoint(WorldToClip, 0);
MainPortal.SetViewpoint(WorldToClip, GetNextStencilValue());
MainPortal.Render();
Skydome.Render(WorldToClip);
MainPortal.RenderTranslucent();
@ -63,6 +63,7 @@ void RenderPolyScene::ClearBuffers()
PolyVertexBuffer::Clear();
PolyStencilBuffer::Instance()->Clear(RenderTarget->GetWidth(), RenderTarget->GetHeight(), 0);
PolySubsectorGBuffer::Instance()->Resize(RenderTarget->GetPitch(), RenderTarget->GetHeight());
NextStencilValue = 0;
}
void RenderPolyScene::SetSceneViewport()

3
src/r_poly.h
View file

@ -42,6 +42,8 @@ public:
static RenderPolyScene *Instance();
uint32_t GetNextStencilValue() { uint32_t value = NextStencilValue; NextStencilValue += 2; return value; }
private:
void ClearBuffers();
void SetSceneViewport();
@ -51,4 +53,5 @@ private:
RenderPolyPortal MainPortal;
PolySkyDome Skydome;
RenderPolyPlayerSprites PlayerSprites;
uint32_t NextStencilValue = 0;
};

4
src/r_poly_plane.cpp
View file

@ -264,7 +264,7 @@ void RenderPolyPlane::Render(const TriMatrix &worldToClip, subsector_t *sub, uin
}
else
{
args.stencilwritevalue = 252;
args.stencilwritevalue = polyportal->StencilValue;
PolyTriangleDrawer::draw(args, TriDrawVariant::Stencil, TriBlendMode::Copy);
polyportal->Shape.push_back({ args.vinput, args.vcount, args.ccw, subsectorDepth });
}
@ -273,7 +273,7 @@ void RenderPolyPlane::Render(const TriMatrix &worldToClip, subsector_t *sub, uin
{
if (portal)
{
args.stencilwritevalue = 252;
args.stencilwritevalue = polyportal->StencilValue;
polyportal->Shape.push_back({ args.vinput, args.vcount, args.ccw, subsectorDepth });
}
else

24
src/r_poly_portal.cpp
View file

@ -26,6 +26,7 @@
#include "sbar.h"
#include "r_data/r_translate.h"
#include "r_poly_portal.h"
#include "r_poly.h"
#include "gl/data/gl_data.h"
CVAR(Bool, r_debug_cull, 0, 0)
@ -192,14 +193,15 @@ void RenderPolyPortal::RenderTranslucent()
{
for (auto it = SectorPortals.rbegin(); it != SectorPortals.rend(); ++it)
{
(*it)->RenderTranslucent();
auto &portal = *it;
portal->RenderTranslucent();
PolyDrawArgs args;
args.objectToClip = &WorldToClip;
args.mode = TriangleDrawMode::Fan;
args.stenciltestvalue = 253;
args.stencilwritevalue = 1;
for (const auto &verts : (*it)->Shape)
args.stenciltestvalue = portal->StencilValue + 1;
args.stencilwritevalue = StencilValue;
for (const auto &verts : portal->Shape)
{
args.vinput = verts.Vertices;
args.vcount = verts.Count;
@ -211,14 +213,15 @@ void RenderPolyPortal::RenderTranslucent()
for (auto it = LinePortals.rbegin(); it != LinePortals.rend(); ++it)
{
(*it)->RenderTranslucent();
auto &portal = *it;
portal->RenderTranslucent();
PolyDrawArgs args;
args.objectToClip = &WorldToClip;
args.mode = TriangleDrawMode::Fan;
args.stenciltestvalue = 253;
args.stencilwritevalue = 1;
for (const auto &verts : (*it)->Shape)
args.stenciltestvalue = portal->StencilValue + 1;
args.stencilwritevalue = StencilValue;
for (const auto &verts : portal->Shape)
{
args.vinput = verts.Vertices;
args.vcount = verts.Count;
@ -257,6 +260,7 @@ void RenderPolyPortal::RenderTranslucent()
PolyDrawSectorPortal::PolyDrawSectorPortal(FSectorPortal *portal, bool ceiling) : Portal(portal), Ceiling(ceiling)
{
StencilValue = RenderPolyScene::Instance()->GetNextStencilValue();
}
void PolyDrawSectorPortal::Render()
@ -289,7 +293,7 @@ void PolyDrawSectorPortal::Render()
TriMatrix::translate((float)-ViewPos.X, (float)-ViewPos.Y, (float)-ViewPos.Z);
TriMatrix worldToClip = TriMatrix::perspective(fovy, ratio, 5.0f, 65535.0f) * worldToView;
RenderPortal.SetViewpoint(worldToClip, 252);
RenderPortal.SetViewpoint(worldToClip, StencilValue);
RenderPortal.Render();
RestoreGlobals();
@ -349,6 +353,8 @@ void PolyDrawSectorPortal::RestoreGlobals()
PolyDrawLinePortal::PolyDrawLinePortal(line_t *src, line_t *dest, bool mirror) : Src(src), Dest(dest)
{
// To do: do what R_EnterPortal and PortalDrawseg does
StencilValue = RenderPolyScene::Instance()->GetNextStencilValue();
}
void PolyDrawLinePortal::Render()

2
src/r_poly_portal.h
View file

@ -128,6 +128,7 @@ public:
void RenderTranslucent();
FSectorPortal *Portal;
uint32_t StencilValue = 0;
std::vector<PolyPortalVertexRange> Shape;
private:
@ -153,6 +154,7 @@ public:
void Render();
void RenderTranslucent();
uint32_t StencilValue = 0;
std::vector<PolyPortalVertexRange> Shape;
private: