From 2a6009e8f24be3909239a5ab6e6d6fb53d0c5845 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <matthias@gamezock.de>
Date: Thu, 24 Dec 2009 03:24:53 +0100
Subject: Working shadow volumes! :-D

---
 src/Game.cpp | 34 +++-------------------------------
 1 file changed, 3 insertions(+), 31 deletions(-)

(limited to 'src/Game.cpp')

diff --git a/src/Game.cpp b/src/Game.cpp
index 1b23222..d265e83 100644
--- a/src/Game.cpp
+++ b/src/Game.cpp
@@ -55,6 +55,8 @@ Game::Game() : playerPos(vmml::vec3f::ZERO), playerRotY(vmml::mat4f::IDENTITY),
   glEnable(GL_CULL_FACE);
   glFrontFace(GL_CCW);
 
+  glEnable(GL_STENCIL_TEST);
+
   loadLevel("level.xml");
   triangles.insert(triangles.end(), level->getRooms().front().walls.begin(), level->getRooms().front().walls.end());
   std::sort(triangles.begin(), triangles.end(), Renderer::TextureSorter());
@@ -137,7 +139,7 @@ void Game::render() {
     light.z() = -8.0;
   }
 
-  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
   vmml::mat4f transform(playerRotY), inverse;
   transform.rotate_x(playerRotX);
@@ -147,36 +149,6 @@ void Game::render() {
   glLoadMatrixf(inverse.array);
 
   renderer.render(triangles, light);
-
-  Shader::disable();
-  glDepthMask(GL_FALSE);
-  glBlendFunc(GL_ONE, GL_ONE);
-  glBlendEquation(GL_FUNC_ADD);
-  glDepthFunc(GL_GREATER);
-  glColor3f(0.05, 0.05, 0.05);
-  glFrontFace(GL_CCW);
-
-  glBegin(GL_TRIANGLES);
-  for(std::vector<BSPTree::TriangleRecord>::iterator t = triangles.begin(); t != triangles.end(); ++t) {
-    ShadowVolume v(t->triangle, light);
-    v.render();
-  }
-  glEnd();
-
-  glFrontFace(GL_CW);
-  glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
-
-  glBegin(GL_TRIANGLES);
-  for(std::vector<BSPTree::TriangleRecord>::iterator t = triangles.begin(); t != triangles.end(); ++t) {
-    ShadowVolume v(t->triangle, light);
-    v.render();
-  }
-  glEnd();
-
-  glFrontFace(GL_CCW);
-  glDepthMask(GL_TRUE);
-  glDepthFunc(GL_LEQUAL);
-  glBlendEquation(GL_FUNC_ADD);
 }
 
 }
-- 
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