Check the flat qualifier from the correct member

[libs/gl.git] / source / shadowmap.cpp

diff --git a/source/shadowmap.cpp b/source/shadowmap.cpp
deleted file mode 100644 (file)
index 86715fc..0000000
--- a/source/shadowmap.cpp
+++ /dev/null
@@ -1,171 +0,0 @@
-#include <cmath>
-#include <cstdlib>
-#include "light.h"
-#include "matrix.h"
-#include "misc.h"
-#include "renderer.h"
-#include "scene.h"
-#include "shadowmap.h"
-#include "tests.h"
-#include "texgen.h"
-#include "texunit.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-ShadowMap::ShadowMap(unsigned s, const Renderable &r, const Light &l):
-       Effect(r),
-       size(s),
-       light(l),
-       radius(1),
-       depth_bias(4),
-       rendered(false)
-{
-       depth_buf.set_min_filter(LINEAR);
-       depth_buf.set_compare_enabled(true);
-       depth_buf.set_compare_func(LEQUAL);
-       depth_buf.set_wrap(CLAMP_TO_EDGE);
-       depth_buf.storage(DEPTH_COMPONENT, size, size);
-       fbo.attach(DEPTH_ATTACHMENT, depth_buf, 0);
-       fbo.require_complete();
-
-       set_darkness(0.7);
-       set_texture_unit(3);
-}
-
-void ShadowMap::set_target(const Vector3 &t, float r)
-{
-       target = t;
-       radius = r;
-}
-
-void ShadowMap::set_darkness(float d)
-{
-       if(d<0.0f || d>1.0f)
-               throw invalid_argument("ShadowMap::set_darkness");
-
-       shdata.uniform("shadow_darkness", d);
-}
-
-void ShadowMap::set_depth_bias(float b)
-{
-       if(b<0.0f)
-               throw invalid_argument("ShadowMap::set_depth_bias");
-
-       depth_bias = b;
-}
-
-void ShadowMap::set_texture_unit(unsigned u)
-{
-       unit = u;
-
-       int i = unit;
-       shdata.uniform("shadow", i);
-       shdata.uniform("shadow_unit", i);
-}
-
-void ShadowMap::setup_frame() const
-{
-       if(rendered)
-               return;
-
-       renderable.setup_frame();
-       rendered = true;
-
-       Vector4 lpos = light.get_position();
-
-       if(lpos.w)
-       {
-               /* XXX Not really proper way to support positional lights, but good
-               enough when the light source is far away */
-               lpos -= Vector4(target.x, target.y, target.z, 1.0f);
-       }
-
-       lpos.normalize();
-
-       float matrix[16];
-       if(abs(lpos.z)>=abs(lpos.x) && abs(lpos.z)>=abs(lpos.y))
-       {
-               float d = sqrt(lpos.x*lpos.x+lpos.z*lpos.z);
-               matrix[0] = lpos.z/d;
-               matrix[4] = 0;
-               matrix[8] = -lpos.x/d;
-               matrix[1] = -lpos.x*lpos.y/d;
-               matrix[5] = d;
-               matrix[9] = -lpos.z*lpos.y/d;
-       }
-       else
-       {
-               float d = sqrt(lpos.x*lpos.x+lpos.y*lpos.y);
-               matrix[0] = -lpos.y/d;
-               matrix[4] = lpos.x/d;
-               matrix[8] = 0;
-               matrix[1] = -lpos.x*lpos.z/d;
-               matrix[5] = -lpos.y*lpos.z/d;
-               matrix[9] = d;
-       }
-
-       matrix[2] = lpos.x;
-       matrix[6] = lpos.y;
-       matrix[10] = lpos.z;
-
-       matrix[12] = -(target.x*matrix[0]+target.y*matrix[4]+target.z*matrix[8]);
-       matrix[13] = -(target.x*matrix[1]+target.y*matrix[5]+target.z*matrix[9]);
-       matrix[14] = -(target.x*matrix[2]+target.y*matrix[6]+target.z*matrix[10]);
-       matrix[3] = 0;
-       matrix[7] = 0;
-       matrix[11] = 0;
-       matrix[15] = 1;
-
-       light_matrix = matrix;
-
-       MatrixStack::Push push_mv(MatrixStack::modelview());
-       MatrixStack::Push push_proj(MatrixStack::projection());
-
-       MatrixStack::projection() = Matrix::ortho(-radius, radius, -radius, radius, -radius, radius);
-       MatrixStack::modelview() = light_matrix;
-
-       Bind bind_fbo(fbo, true);
-       Bind bind_depth(DepthTest::lequal());
-       fbo.clear(DEPTH_BUFFER_BIT);
-       renderable.render("shadow");
-}
-
-void ShadowMap::finish_frame() const
-{
-       renderable.finish_frame();
-       rendered = false;
-}
-
-void ShadowMap::render(Renderer &renderer, const Tag &tag) const
-{
-       if(!enabled_passes.count(tag))
-               return renderer.render(renderable, tag);
-
-       const float *matrix = light_matrix.data();
-
-       // Has side effect of changing the current unit
-       depth_buf.bind_to(unit);
-       float diam = radius*2;
-       TexGen tg_s, tg_t, tg_r;
-       tg_s.set_plane(Vector4(matrix[0]/diam, matrix[4]/diam, matrix[8]/diam, matrix[12]/diam+0.5f));
-       tg_t.set_plane(Vector4(matrix[1]/diam, matrix[5]/diam, matrix[9]/diam, matrix[13]/diam+0.5f));
-       tg_r.set_plane(Vector4(-matrix[2]/diam, -matrix[6]/diam, -matrix[10]/diam, 0.5f-matrix[14]/diam-depth_bias/size));
-       tg_s.bind_to(unit, SCOORD);
-       tg_t.bind_to(unit, TCOORD);
-       tg_r.bind_to(unit, RCOORD);
-
-       Renderer::Push _push_rend(renderer);
-       renderer.add_shader_data(shdata);
-       renderer.render(renderable, tag);
-
-       Texture::unbind_from(unit);
-       TexGen::unbind_from(unit, SCOORD);
-       TexGen::unbind_from(unit, TCOORD);
-       TexGen::unbind_from(unit, RCOORD);
-}
-
-} // namespace GL
-} // namespace Msp