X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fshadowmap.cpp;h=921a1747875b4bf0b349042dac6aab26095cff84;hp=6f62870be5c73b7f8a5420ac72851f3b05ae4676;hb=HEAD;hpb=bd141418a0712feeb64bcaff7f57e29913b0317b

diff --git a/source/shadowmap.cpp b/source/shadowmap.cpp
deleted file mode 100644
index 6f62870b..00000000
--- a/source/shadowmap.cpp
+++ /dev/null
@@ -1,177 +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);
-
-	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.x -= target.x;
-		lpos.y -= target.y;
-		lpos.z -= target.z;
-	}
-
-	float l = sqrt(lpos.x*lpos.x+lpos.y*lpos.y+lpos.z*lpos.z);
-	lpos.x /= l;
-	lpos.y /= l;
-	lpos.z /= l;
-
-	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 double *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(SCOORD);
-	tg_t.bind_to(TCOORD);
-	tg_r.bind_to(RCOORD);
-	TexUnit::activate(0);
-
-	Renderer::Push _push_rend(renderer);
-	renderer.add_shader_data(shdata);
-	renderer.render(renderable, tag);
-
-	Texture::unbind_from(unit);
-	TexGen::unbind_from(SCOORD);
-	TexGen::unbind_from(TCOORD);
-	TexGen::unbind_from(RCOORD);
-	TexUnit::activate(0);
-}
-
-} // namespace GL
-} // namespace Msp