void nebular_background_behaviour::init(resource_hub* resources, uint64_t seed) {
// init generation
generate_layers(seed);
redraw();
// create buffers
positions = std::make_shared<vbo<vec2>>();
uvs = std::make_shared<vbo<vec2>>();
indicies = std::make_shared<ibo>();
sprite_shader = resources->get<shader>("sprite-shader");
nebular_shader = resources->create<shader>("sprite-shader", new shader());
nebular_shader->load_source("data/Shader/NebularShader.vs", shader_type::vertex);
nebular_shader->load_source("data/Shader/NebularShader.fs", shader_type::fragment);
nebular_shader->compile();
nebular_shader->bind();
nebular_shader->set_int("source_texture", 0);
nebular_shader->set_color("nebular_color", color::red);
nebular_shader->set_float("scale", 1.f / float(background_texture_size));
nebular_shader->set_float("falloff", 3.f);
nebular_shader->set_float("noise_size", 2048.f);
// generate fbos
background_target_1 = std::make_shared<fbo>(background_texture_size, background_texture_size);
background_target_2 = std::make_shared<fbo>(background_texture_size, background_texture_size);
render_manager = resources->get<renderer>("renderer");
renderer_job = render_manager->create_job();
renderer_job->attach_vbo(positions.get(), render_job::slot0);
renderer_job->attach_vbo(uvs.get(), render_job::slot1);
renderer_job->attach_ibo(indicies.get());
renderer_job->shader = nebular_shader;
renderer_job->z = 0;
renderer_job->primitiv = render_primitivs::triangles;
renderer_job->is_visible = false;
positions->add(vec2(-1024.f, 1024.f));
positions->add(vec2(-1024.f, -1024.f));
positions->add(vec2( 1024.f, 1024.f));
positions->add(vec2( 1024.f, -1024.f));
uvs->add(vec2(0.f, 1.f));
uvs->add(vec2(0.f, 0.f));
uvs->add(vec2(1.f, 1.f));
uvs->add(vec2(1.f, 0.f));
indicies->add(0);
indicies->add(1);
indicies->add(2);
indicies->add(1);
indicies->add(3);
indicies->add(2);
positions->upload();
uvs->upload();
indicies->upload();
renderer_job->upload();
}
static void convert_layers(SFInfo *sf)
{
int i;
if (prbags.bag == NULL || prbags.gen == NULL ||
inbags.bag == NULL || inbags.gen == NULL) {
fprintf(stderr, "*** illegal bags / gens\n");
return;
}
for (i = 0; i < sf->npresets - 1; i++) {
generate_layers(&sf->preset[i].hdr,
&sf->preset[i+1].hdr,
&prbags);
}
for (i = 0; i < sf->ninsts - 1; i++) {
generate_layers(&sf->inst[i].hdr,
&sf->inst[i+1].hdr,
&inbags);
}
}
void Instruments::convert_layers(SFInfo *sf)
{
int i;
if (prbags.bag == NULL || prbags.gen == NULL ||
inbags.bag == NULL || inbags.gen == NULL) {
ctl_cmsg(CMSG_WARNING, VERB_NORMAL, "%s: *** illegal bags / gens", sf->sf_name);
return;
}
for (i = 0; i < sf->npresets - 1; i++) {
generate_layers(&sf->preset[i].hdr,
&sf->preset[i + 1].hdr,
&prbags);
}
for (i = 0; i < sf->ninsts - 1; i++) {
generate_layers(&sf->inst[i].hdr,
&sf->inst[i + 1].hdr,
&inbags);
}
}