basic shadows

1 files changed, 16 insertions, 1 deletions

diff --git a/model.cpp b/model.cpp
index caa1422..765da15 100644
--- a/model.cpp
+++ b/model.cpp
@@ -136,6 +136,8 @@ Asset* Model_Loader::load(
 		mesh.vp_binding_depth = depth_shader->descriptor_binding("c_vp");
 		mesh.mat_binding = shader->descriptor_binding("material");
 		mesh.light_binding = shader->descriptor_binding("lights");
+		mesh.casters_binding = shader->descriptor_binding("casters");
+		mesh.shadowmaps_binding = shader->descriptor_binding("shadowmaps");
 		mesh.env_cube_binding = shader->descriptor_binding("env_cube");
 		mesh.mesh_binding = shader->binding_index("mesh");
 		assert(mesh.model_binding >= 0);
@@ -144,6 +146,8 @@ Asset* Model_Loader::load(
 		assert(mesh.vp_binding_depth >= 0);
 		assert(mesh.mat_binding >= 0);
 		assert(mesh.light_binding >= 0);
+		assert(mesh.casters_binding >= 0);
+		assert(mesh.shadowmaps_binding >= 0);
 		assert(mesh.mesh_binding >= 0);
 		assert(mesh.env_cube_binding >= 0);
 		pack_read(f, &vertex_size, 4);
@@ -296,11 +300,15 @@ void Model_Instance::destroy(Device* dev, Heap* h) {
 void Model_Instance::update() {
 	Mesh* meshes = m->get_meshes();
 	int i, c = m->mesh_count;
-	for (i = 0; i < c; i++)
+	bound.min = v3f( INFINITY);
+	bound.max = v3f(-INFINITY);
+	for (i = 0; i < c; i++) {
 		bounds[i] = m4f::transform(
 			transform * meshes[i].world,
 			meshes[i].bound
 		);
+		bound.encompass(bounds[i]);
+	}
 }
 
 void Model_Instance::update_cbuffers(
@@ -388,6 +396,8 @@ void Model_Instance::render(
 			pb.depth(true, false, Depth_Mode::equal);
 			pb.shader(mesh.shader);
 			pb.sbuffer(mesh.light_binding, lighting->lights.gpuonly);
+			pb.sbuffer(mesh.casters_binding, lighting->casters.gpuonly);
+			pb.texture(mesh.shadowmaps_binding, lighting->shadows, lighting->shadow_sampler);
 			mesh.material->use(pb, res.sampler, dev->get_shader(mesh.shader));
 			pb.cbuffer(
 				mesh.mat_binding,
@@ -413,6 +423,8 @@ void Model_Instance::render(
 		}
 		pb.cull(Cull_Mode::back);
 		pb.vertex_format(shader.vf);
+		if (res.overrider)
+			res.overrider(pb);
 		Pipeline& pip = pb.build();
 		ctx.submit(draw, pip, pass);
 	}
@@ -465,9 +477,12 @@ void Model_Scene::update(
 ) {
 	int i;
 	Model_Instance* instance = instances;
+	bound.min = v3f( INFINITY);
+	bound.max = v3f(-INFINITY);
 	for (i = 0; i < count; i++, instance++) {
 		instance->update();
 		instance->update_cbuffers(dev, lighting, cam);
+		bound.encompass(instance->bound);
 	}
 }