def yaml_file_to_world_objects(file_path):
tree = None
with open(file_path, 'r') as f:
tree = yaml.load(f, Loader=Loader)
if tree is None:
return []
rv = {'camera': None, 'lights': [], 'world': [], 'config': None}
defines = {}
extends_map = {}
for obj in tree:
if "define" in obj:
k = obj["define"]
v = obj.get("value")
opt = obj.get("extend")
defines[k] = v
if opt is not None:
extends_map[k] = opt
# replace 'extends' in defines map
for obj_name in extends_map:
parent_name = extends_map[
obj_name] # name of object which will be extended
parent_value = defines[parent_name]
child_value = defines[
obj_name] # name of object with 'extends' keyword
new_parent_value = deepcopy(parent_value)
if type(new_parent_value) == dict:
# assume child value is same type
for k in child_value:
new_parent_value[k] = child_value[k]
defines[obj_name] = new_parent_value
expand_defines_in_tree(tree, defines)
for obj in tree:
if "add" in obj:
if obj["add"] == "camera":
rv['camera'] = Camera.from_yaml(obj)
elif obj["add"] == "light":
rv['lights'].append(Light.from_yaml(obj))
elif obj['add'] == 'config':
rv['config'] = GlobalConfig.from_yaml(obj)
else:
possible_item = recursive_add(obj, defines)
if possible_item is not None:
rv['world'].append(possible_item)
g = Group(material=Material(),
transform=matrix4x4identity(),
children=rv['world'])
rv['world'] = [g]
return rv
def world_objects_to_c_file(obj):
if 'config' not in obj or obj['config'] is None:
obj['config'] = GlobalConfig.from_yaml(dict())
c_code = """#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include <math.h>
#include <unistd.h>
#include "src/libs/canvas/canvas.h"
#include "src/libs/linalg/linalg.h"
#include "src/libs/obj_loader/obj_loader.h"
#include "src/libs/photon_map/pm.h"
#include "src/color/hsl.h"
#include "src/color/lab.h"
#include "src/color/rgb.h"
#include "src/color/srgb.h"
#include "src/color/xyz.h"
#include "src/color/xyy.h"
#include "src/renderer/camera.h"
#include "src/renderer/config.h"
#include "src/renderer/photon_tracer.h"
#include "src/renderer/renderer.h"
#include "src/renderer/world.h"
#include "src/pattern/pattern.h"
#include "src/shapes/shapes.h"
#include "src/shapes/cone.h"
#include "src/shapes/csg.h"
#include "src/shapes/cube.h"
#include "src/shapes/cylinder.h"
#include "src/shapes/group.h"
#include "src/shapes/plane.h"
#include "src/shapes/sphere.h"
#include "src/shapes/triangle.h"
#include "src/shapes/toroid.h"
#define True true
#define False false
int
main()
{{
{0}
{1}
{2}
{4}
Shape world_group = array_of_shapes(1);
group(world_group, all_shapes, {5});
printf("Balancing scene...");
fflush(stdout);
world_group->divide(world_group, global_config.scene.divide_threshold);
printf("Done!\\n");
fflush(stdout);
World w = world();
w->lights = all_lights;
w->lights_num = {3};
w->shapes = world_group;
w->shapes_num = 1;
w->global_config = &global_config;
if (global_config.illumination.gi.photon_count > 0 && (global_config.illumination.include_global || global_config.illumination.debug_visualize_photon_map || global_config.illumination.debug_visualize_soft_indirect)) {{
w->photon_maps = array_of_photon_maps(3);
printf("Tracing photons...");
fflush(stdout);
int i;
for (i = 0; i < 3; ++i) {{
init_Photon_map(global_config.illumination.gi.photon_count, w->photon_maps + i);
}}
trace_photons(w, 3, global_config.illumination.gi.include_caustics, global_config.illumination.gi.include_final_gather);
printf("Done!\\n");
fflush(stdout);
}} else {{
w->photon_maps = NULL;
printf("Skipping photon tracing because photon_count is 0.\\n");
fflush(stdout);
}}
Canvas c = render_multi(cam, w, cam->usteps, cam->vsteps, cam->aperture.jitter);
write_ppm_file(c, true, global_config.output.file_path);
write_png(c, global_config.output.file_path);
canvas_free(c);
return 0;
}}
""".format(obj['config'].c_repr(),
obj['camera'].c_repr(),
allocate_lights(obj['lights']),
len(obj['lights']),
allocate_shapes(obj['world']),
len(obj['world']))
print(c_code)