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level.c
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level.c
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#include "common/level.h"
#include <assert.h>
#include "stb/stb_image.h"
#include "stb/stb_image_write.h"
#include "common/alloc.h"
#include "common/common.h"
#include "common/json.h"
#include "common/log.h"
static const char *_golf_geo_face_uv_gen_type_strings[] = {
[GOLF_GEO_FACE_UV_GEN_MANUAL] = "manual",
[GOLF_GEO_FACE_UV_GEN_GROUND] = "ground",
[GOLF_GEO_FACE_UV_GEN_WALL_SIDE] = "wall-side",
[GOLF_GEO_FACE_UV_GEN_WALL_TOP] = "wall-top",
};
static_assert((sizeof(_golf_geo_face_uv_gen_type_strings) / sizeof(_golf_geo_face_uv_gen_type_strings[0])) == GOLF_GEO_FACE_UV_GEN_COUNT, "Invalid number of uv gen type strings");
const char **golf_geo_uv_gen_type_strings(void) {
return _golf_geo_face_uv_gen_type_strings;
}
golf_geo_generator_data_t golf_geo_generator_data(golf_script_t *script, vec_golf_geo_generator_data_arg_t args) {
golf_geo_generator_data_t generator_data;
generator_data.script = script;
generator_data.args = args;
return generator_data;
}
void golf_geo_generator_data_init(golf_geo_generator_data_t *generator_data) {
generator_data->script = NULL;
vec_init(&generator_data->args, "geo");
}
bool golf_geo_generator_data_get_arg(golf_geo_generator_data_t *data, const char *name, golf_geo_generator_data_arg_t **arg) {
for (int i = 0; i < data->args.length; i++) {
if (strcmp(data->args.data[i].name, name) == 0) {
*arg = &data->args.data[i];
return true;
}
}
return false;
}
golf_geo_face_t golf_geo_face(const char *material_name, vec_int_t idx, golf_geo_face_uv_gen_type_t uv_gen_type, vec_vec2_t uvs, vec3 water_dir) {
golf_geo_face_t face;
face.active = true;
snprintf(face.material_name, GOLF_MAX_NAME_LEN, "%s", material_name);
face.idx = idx;
face.uvs = uvs;
face.uv_gen_type = uv_gen_type;
face.start_vertex_in_model = 0;
face.water_dir = water_dir;
return face;
}
golf_geo_point_t golf_geo_point(vec3 position) {
golf_geo_point_t point;
point.active = true;
point.position = position;
return point;
}
typedef map_t(vec_golf_geo_face_ptr_t) _map_vec_golf_geo_face_ptr_t;
static void _golf_geo_face_guess_wall_dir(vec3 p0, vec3 p1, vec3 p2, vec3 *long_dir, vec3 *short_dir) {
vec3 dir0 = vec3_sub(p1, p0);
float dir0_l = vec3_length(dir0);
dir0 = vec3_scale(dir0, 1.0f / dir0_l);
vec3 dir1 = vec3_sub(p2, p0);
float dir1_l = vec3_length(dir1);
dir1 = vec3_scale(dir1, 1.0f / dir1_l);
vec3 dir2 = vec3_sub(p2, p1);
float dir2_l = vec3_length(dir2);
dir2 = vec3_scale(dir2, 1.0f / dir2_l);
float dot0 = vec3_dot(dir0, dir1);
float dot1 = vec3_dot(dir0, dir2);
float dot2 = vec3_dot(dir1, dir2);
if (fabsf(dot0) <= fabsf(dot1) && fabsf(dot0) <= fabsf(dot2)) {
if (dir0_l <= dir1_l) {
*long_dir = dir1;
*short_dir = dir0;
}
else {
*long_dir = dir0;
*short_dir = dir1;
}
}
else if (fabsf(dot1) <= fabsf(dot0) && fabsf(dot1) <= fabsf(dot2)) {
if (dir0_l <= dir2_l) {
*long_dir = dir2;
*short_dir = dir0;
}
else {
*long_dir = dir0;
*short_dir = dir2;
}
}
else if (fabsf(dot2) <= fabsf(dot0) && fabsf(dot2) <= fabsf(dot1)) {
if (dir1_l <= dir2_l) {
*long_dir = dir2;
*short_dir = dir1;
}
else {
*long_dir = dir1;
*short_dir = dir2;
}
}
else {
golf_log_warning("Could not find a minimum?");
*long_dir = dir0;
*short_dir = dir1;
}
// Attempt to get the directions to always be in the same direction
vec3 d = vec3_normalize(V3(1, 2, 3));
if (vec3_dot(*long_dir, d) < 0) {
*long_dir = vec3_scale(*long_dir, -1);
}
if (vec3_dot(*short_dir, d) < 0) {
*short_dir = vec3_scale(*short_dir, -1);
}
}
static void _golf_geo_generate_model_data(golf_geo_t *geo, vec_golf_group_t *groups, vec_vec3_t *positions, vec_vec3_t *normals, vec_vec2_t *texcoords, bool is_water, vec_vec3_t *water_dir) {
groups->length = 0;
positions->length = 0;
normals->length = 0;
texcoords->length = 0;
_map_vec_golf_geo_face_ptr_t material_faces;
map_init(&material_faces, "geo");
for (int i = 0; i < geo->faces.length; i++) {
golf_geo_face_t *face = &geo->faces.data[i];
if (!face->active) continue;
vec_golf_geo_face_ptr_t *faces = map_get(&material_faces, face->material_name);
if (faces) {
vec_push(faces, face);
}
else {
vec_golf_geo_face_ptr_t new_faces;
vec_init(&new_faces, "geo");
vec_push(&new_faces, face);
map_set(&material_faces, face->material_name, new_faces);
}
}
const char *key;
map_iter_t iter = map_iter(&material_faces);
while ((key = map_next(&material_faces, &iter))) {
int group_start = positions->length;
int group_count = 0;
vec_golf_geo_face_ptr_t *faces = map_get(&material_faces, key);
for (int i = 0; i < faces->length; i++) {
golf_geo_face_t *face = faces->data[i];
face->start_vertex_in_model = positions->length;
int idx0 = face->idx.data[0];
for (int i = 1; i < face->idx.length - 1; i++) {
int idx1 = face->idx.data[i];
int idx2 = face->idx.data[i + 1];
golf_geo_point_t p0 = geo->points.data[idx0];
golf_geo_point_t p1 = geo->points.data[idx1];
golf_geo_point_t p2 = geo->points.data[idx2];
vec2 tc0 = face->uvs.data[0];
vec2 tc1 = face->uvs.data[i];
vec2 tc2 = face->uvs.data[i + 1];
switch (face->uv_gen_type) {
case GOLF_GEO_FACE_UV_GEN_COUNT:
case GOLF_GEO_FACE_UV_GEN_MANUAL: {
break;
}
case GOLF_GEO_FACE_UV_GEN_GROUND: {
tc0 = V2(0.5f * p0.position.x, 0.5f * p0.position.z);
tc1 = V2(0.5f * p1.position.x, 0.5f * p1.position.z);
tc2 = V2(0.5f * p2.position.x, 0.5f * p2.position.z);
break;
}
case GOLF_GEO_FACE_UV_GEN_WALL_SIDE: {
vec3 long_dir, short_dir;
_golf_geo_face_guess_wall_dir(p0.position, p1.position, p2.position, &long_dir, &short_dir);
tc0.x = vec3_dot(p0.position, short_dir);
tc1.x = vec3_dot(p1.position, short_dir);
tc2.x = vec3_dot(p2.position, short_dir);
tc0.y = 0.5f * vec3_dot(p0.position, long_dir);
tc1.y = 0.5f * vec3_dot(p1.position, long_dir);
tc2.y = 0.5f * vec3_dot(p2.position, long_dir);
break;
}
case GOLF_GEO_FACE_UV_GEN_WALL_TOP: {
vec3 long_dir, short_dir;
_golf_geo_face_guess_wall_dir(p0.position, p1.position, p2.position, &long_dir, &short_dir);
tc0.x = vec3_dot(p0.position, short_dir);
tc1.x = vec3_dot(p1.position, short_dir);
tc2.x = vec3_dot(p2.position, short_dir);
tc0.y = 0.5f * vec3_dot(p0.position, long_dir);
tc1.y = 0.5f * vec3_dot(p1.position, long_dir);
tc2.y = 0.5f * vec3_dot(p2.position, long_dir);
break;
}
}
vec3 n = vec3_normalize(vec3_cross(
vec3_sub(p1.position, p0.position),
vec3_sub(p2.position, p0.position)));
vec_push(positions, p0.position);
vec_push(positions, p1.position);
vec_push(positions, p2.position);
vec_push(normals, n);
vec_push(normals, n);
vec_push(normals, n);
vec_push(texcoords, tc0);
vec_push(texcoords, tc1);
vec_push(texcoords, tc2);
if (is_water) {
vec_push(water_dir, face->water_dir);
}
group_count += 3;
}
}
vec_deinit(faces);
golf_model_group_t group = golf_model_group(key, group_start, group_count);
vec_push(groups, group);
}
}
golf_geo_t golf_geo(vec_golf_geo_point_t points, vec_golf_geo_face_t faces, golf_geo_generator_data_t generator_data, bool is_water) {
golf_geo_t geo;
geo.points = points;
geo.faces = faces;
geo.generator_data = generator_data;
geo.model_updated_this_frame = false;
geo.is_water = is_water;
vec_golf_group_t groups;
vec_init(&groups, "geo");
vec_vec3_t positions;
vec_init(&positions, "positions");
vec_vec3_t normals;
vec_init(&normals, "normals");
vec_vec2_t texcoords;
vec_init(&texcoords, "texcoords");
vec_vec3_t water_dir;
vec_init(&water_dir, "water_dir");
_golf_geo_generate_model_data(&geo, &groups, &positions, &normals, &texcoords, is_water, &water_dir);
if (is_water) {
geo.model = golf_model_dynamic_water(groups, positions, normals, texcoords, water_dir);
}
else {
geo.model = golf_model_dynamic(groups, positions, normals, texcoords);
}
return geo;
}
void golf_geo_finalize(golf_geo_t *geo) {
geo->model_updated_this_frame = true;
golf_model_dynamic_finalize(&geo->model);
}
void golf_geo_update_model(golf_geo_t *geo) {
if (geo->model_updated_this_frame) {
return;
}
geo->model_updated_this_frame = true;
_golf_geo_generate_model_data(geo, &geo->model.groups, &geo->model.positions, &geo->model.normals, &geo->model.texcoords, geo->is_water, &geo->model.water_dir);
golf_model_dynamic_update_sg_buf(&geo->model);
}
static void _golf_json_object_set_movement(JSON_Object *obj, const char *name, golf_movement_t *movement) {
JSON_Value *movement_val = json_value_init_object();
JSON_Object *movement_obj = json_value_get_object(movement_val);
switch (movement->type) {
case GOLF_MOVEMENT_NONE: {
json_object_set_string(movement_obj, "type", "none");
break;
}
case GOLF_MOVEMENT_LINEAR: {
json_object_set_string(movement_obj, "type", "linear");
json_object_set_number(movement_obj, "t0", movement->t0);
json_object_set_number(movement_obj, "length", movement->length);
golf_json_object_set_vec3(movement_obj, "p0", movement->linear.p0);
golf_json_object_set_vec3(movement_obj, "p1", movement->linear.p1);
break;
}
case GOLF_MOVEMENT_SPINNER: {
json_object_set_string(movement_obj, "type", "spinner");
json_object_set_number(movement_obj, "t0", movement->t0);
json_object_set_number(movement_obj, "length", movement->length);
break;
}
case GOLF_MOVEMENT_PENDULUM: {
json_object_set_string(movement_obj, "type", "pendulum");
json_object_set_number(movement_obj, "t0", movement->t0);
json_object_set_number(movement_obj, "length", movement->length);
json_object_set_number(movement_obj, "theta0", movement->pendulum.theta0);
golf_json_object_set_vec3(movement_obj, "axis", movement->pendulum.axis);
break;
}
}
json_object_set_value(obj, name, movement_val);
}
static void _golf_json_object_set_geo(JSON_Object *obj, const char *name, golf_geo_t *geo) {
JSON_Value *geo_val = json_value_init_object();
JSON_Object *geo_obj = json_value_get_object(geo_val);
int points_not_active = 0;
vec_int_t num_points_not_active;
vec_init(&num_points_not_active, "geo");
for (int i = 0; i < geo->points.length; i++) {
vec_push(&num_points_not_active, points_not_active);
golf_geo_point_t point = geo->points.data[i];
if (!point.active) {
points_not_active++;
}
}
JSON_Value *p_val = json_value_init_array();
JSON_Array *p_arr = json_value_get_array(p_val);
for (int i = 0; i < geo->points.length; i++) {
golf_geo_point_t point = geo->points.data[i];
if (!point.active) continue;
vec3 pos = point.position;
json_array_append_number(p_arr, pos.x);
json_array_append_number(p_arr, pos.y);
json_array_append_number(p_arr, pos.z);
}
json_object_set_value(geo_obj, "p", p_val);
JSON_Value *faces_val = json_value_init_array();
JSON_Array *faces_arr = json_value_get_array(faces_val);
for (int i = 0; i < geo->faces.length; i++) {
golf_geo_face_t face = geo->faces.data[i];
if (!face.active) continue;
JSON_Value *idxs_val = json_value_init_array();
JSON_Array *idxs_arr = json_value_get_array(idxs_val);
JSON_Value *uvs_val = json_value_init_array();
JSON_Array *uvs_arr = json_value_get_array(uvs_val);
for (int j = 0; j < face.idx.length; j++) {
int idx = face.idx.data[j];
json_array_append_number(idxs_arr, (double)(idx - num_points_not_active.data[idx]));
vec2 uv = face.uvs.data[j];
json_array_append_number(uvs_arr, (double)uv.x);
json_array_append_number(uvs_arr, (double)uv.y);
}
JSON_Value *face_val = json_value_init_object();
JSON_Object *face_obj = json_value_get_object(face_val);
json_object_set_string(face_obj, "material_name", face.material_name);
json_object_set_value(face_obj, "idxs", idxs_val);
json_object_set_value(face_obj, "uvs", uvs_val);
const char *uv_gen_type_str = golf_geo_uv_gen_type_strings()[face.uv_gen_type];
json_object_set_string(face_obj, "uv_gen_type", uv_gen_type_str);
json_array_append_value(faces_arr, face_val);
golf_json_object_set_vec3(face_obj, "water_dir", face.water_dir);
}
json_object_set_value(geo_obj, "faces", faces_val);
if (geo->generator_data.script) {
JSON_Value *generator_data_val = json_value_init_object();
JSON_Object *generator_data_obj = json_value_get_object(generator_data_val);
json_object_set_string(generator_data_obj, "script", geo->generator_data.script->path);
JSON_Value *args_val = json_value_init_array();
JSON_Array *args_arr = json_value_get_array(args_val);
for (int i = 0; i < geo->generator_data.args.length; i++) {
JSON_Value *arg_val = json_value_init_object();
JSON_Object *arg_obj = json_value_get_object(arg_val);
json_object_set_string(arg_obj, "name", geo->generator_data.args.data[i].name);
gs_val_t val = geo->generator_data.args.data[i].val;
switch (val.type) {
case GS_VAL_BOOL:
json_object_set_string(arg_obj, "type", "bool");
json_object_set_number(arg_obj, "val", val.bool_val);
break;
case GS_VAL_INT:
json_object_set_string(arg_obj, "type", "int");
json_object_set_number(arg_obj, "val", val.int_val);
break;
case GS_VAL_FLOAT:
json_object_set_string(arg_obj, "type", "float");
json_object_set_number(arg_obj, "val", val.float_val);
break;
case GS_VAL_VEC2:
json_object_set_string(arg_obj, "type", "vec2");
golf_json_object_set_vec2(arg_obj, "val", val.vec2_val);
break;
case GS_VAL_VEC3:
json_object_set_string(arg_obj, "type", "vec3");
golf_json_object_set_vec3(arg_obj, "val", val.vec3_val);
break;
case GS_VAL_VOID:
case GS_VAL_LIST:
case GS_VAL_STRING:
case GS_VAL_FN:
case GS_VAL_C_FN:
case GS_VAL_ERROR:
case GS_VAL_NUM_TYPES: {
assert(false);
break;
}
}
json_array_append_value(args_arr, arg_val);
}
json_object_set_value(generator_data_obj, "args", args_val);
json_object_set_value(geo_obj, "generator_data", generator_data_val);
}
json_object_set_value(obj, name, geo_val);
vec_deinit(&num_points_not_active);
}
static void _golf_json_object_set_transform(JSON_Object *obj, const char *name, golf_transform_t *transform) {
JSON_Value *transform_val = json_value_init_object();
JSON_Object *transform_obj = json_value_get_object(transform_val);
golf_json_object_set_vec3(transform_obj, "position", transform->position);
golf_json_object_set_vec3(transform_obj, "scale", transform->scale);
golf_json_object_set_quat(transform_obj, "rotation", transform->rotation);
json_object_set_value(obj, name, transform_val);
}
static void _golf_json_object_set_lightmap_section(JSON_Object *obj, const char *name, golf_lightmap_section_t *lightmap_section) {
JSON_Value *lightmap_section_val = json_value_init_object();
JSON_Object *lightmap_section_obj = json_value_get_object(lightmap_section_val);
json_object_set_string(lightmap_section_obj, "lightmap_name", lightmap_section->lightmap_name);
golf_json_object_set_float_array(lightmap_section_obj, "uvs", (float*)lightmap_section->uvs.data, 2 * lightmap_section->uvs.length, 0, 1);
json_object_set_value(obj, name, lightmap_section_val);
}
golf_movement_t golf_movement_none(void) {
golf_movement_t movement;
movement.type = GOLF_MOVEMENT_NONE;
movement.repeats = false;
movement.t0 = 0;
movement.length = 0;
return movement;
}
golf_movement_t golf_movement_linear(float t0, vec3 p0, vec3 p1, float length) {
golf_movement_t movement;
movement.type = GOLF_MOVEMENT_LINEAR;
movement.repeats = true;
movement.t0 = t0;
movement.length = length;
movement.linear.p0 = p0;
movement.linear.p1 = p1;
return movement;
}
golf_movement_t golf_movement_spinner(float t0, float length) {
golf_movement_t movement;
movement.type = GOLF_MOVEMENT_SPINNER;
movement.repeats = false;
movement.t0 = t0;
movement.length = length;
return movement;
}
golf_movement_t golf_movement_pendulum(float t0, float length, float theta0, vec3 axis) {
golf_movement_t movement;
movement.type = GOLF_MOVEMENT_PENDULUM;
movement.repeats = true;
movement.t0 = t0;
movement.length = length;
movement.pendulum.theta0 = theta0;
movement.pendulum.axis = axis;
return movement;
}
golf_lightmap_image_t golf_lightmap_image(const char *name, int resolution, int width, int height, float time_length, bool repeats, int num_samples, unsigned char **data, sg_image *sg_image) {
golf_lightmap_image_t lightmap;
lightmap.active = true;
snprintf(lightmap.name, GOLF_MAX_NAME_LEN, "%s", name);
lightmap.resolution = resolution;
lightmap.width = width;
lightmap.height = height;
lightmap.time_length = time_length;
lightmap.repeats = repeats;
lightmap.edited_num_samples = num_samples;
lightmap.num_samples = num_samples;
lightmap.data = data;
lightmap.sg_image = sg_image;
return lightmap;
}
void golf_lightmap_image_finalize(golf_lightmap_image_t *lightmap) {
for (int s = 0; s < lightmap->num_samples; s++) {
unsigned char *sg_image_data = golf_alloc(4 * lightmap->width * lightmap->height);
for (int i = 0; i < 4 * lightmap->width * lightmap->height; i += 4) {
sg_image_data[i + 0] = lightmap->data[s][i / 4];
sg_image_data[i + 1] = lightmap->data[s][i / 4];
sg_image_data[i + 2] = lightmap->data[s][i / 4];
sg_image_data[i + 3] = 0xFF;
}
sg_image_desc img_desc = {
.width = lightmap->width,
.height = lightmap->height,
.pixel_format = SG_PIXELFORMAT_RGBA8,
.min_filter = SG_FILTER_LINEAR,
.mag_filter = SG_FILTER_LINEAR,
.wrap_u = SG_WRAP_CLAMP_TO_EDGE,
.wrap_v = SG_WRAP_CLAMP_TO_EDGE,
.data.subimage[0][0] = {
.ptr = sg_image_data,
.size = 4 * lightmap->width * lightmap->height,
},
};
lightmap->sg_image[s] = sg_make_image(&img_desc);
golf_free(sg_image_data);
}
}
golf_lightmap_section_t golf_lightmap_section(const char *lightmap_name, vec_vec2_t uvs) {
golf_lightmap_section_t section;
snprintf(section.lightmap_name, GOLF_MAX_NAME_LEN, "%s", lightmap_name);
section.uvs = uvs;
return section;
}
void golf_lightmap_section_finalize(golf_lightmap_section_t *section) {
sg_buffer_desc desc = {
.type = SG_BUFFERTYPE_VERTEXBUFFER,
.data = {
.size = sizeof(vec2) * section->uvs.length,
.ptr = section->uvs.data,
},
};
section->sg_uvs_buf = sg_make_buffer(&desc);
}
static void _stbi_write_func(void *context, void *data, int size) {
vec_char_t *v = (vec_char_t*)context;
vec_pusharr(v, (char*)data, size);
}
golf_material_t golf_material_texture(const char *name, float friction, float restitution, float vel_scale, const char *texture_path) {
golf_material_t material;
material.active = true;
snprintf(material.name, GOLF_MAX_NAME_LEN, "%s", name);
material.friction = friction;
material.restitution = restitution;
material.vel_scale = vel_scale;
material.type = GOLF_MATERIAL_TEXTURE;
snprintf(material.texture_path, GOLF_FILE_MAX_PATH, "%s", texture_path);
material.texture = golf_data_get_texture(texture_path);
return material;
}
golf_material_t golf_material_diffuse_color(const char *name, float friction, float vel_scale, float restitution, vec4 color) {
golf_material_t material;
material.active = true;
snprintf(material.name, GOLF_MAX_NAME_LEN, "%s", name);
material.friction = friction;
material.restitution = restitution;
material.vel_scale = vel_scale;
material.type = GOLF_MATERIAL_DIFFUSE_COLOR;
material.color = color;
return material;
}
golf_material_t golf_material_color(const char *name, float friction, float restitution, float vel_scale, vec4 color) {
golf_material_t material;
material.active = true;
snprintf(material.name, GOLF_MAX_NAME_LEN, "%s", name);
material.friction = friction;
material.restitution = restitution;
material.vel_scale = vel_scale;
material.type = GOLF_MATERIAL_COLOR;
material.color = color;
return material;
}
golf_material_t golf_material_environment(const char *name, float friction, float restitution, float vel_scale, const char *texture_path) {
golf_material_t material;
material.active = true;
snprintf(material.name, GOLF_MAX_NAME_LEN, "%s", name);
material.friction = friction;
material.restitution = restitution;
material.vel_scale = vel_scale;
material.type = GOLF_MATERIAL_ENVIRONMENT;
snprintf(material.texture_path, GOLF_FILE_MAX_PATH, "%s", texture_path);
material.texture = golf_data_get_texture(texture_path);
return material;
}
golf_transform_t golf_transform(vec3 position, vec3 scale, quat rotation) {
golf_transform_t transform;
transform.position = position;
transform.scale = scale;
transform.rotation = rotation;
return transform;
}
static void _add_dependency(vec_str_t *data_dependencies, char *path) {
for (int i = 0; i < data_dependencies->length; i++) {
if (strcmp(data_dependencies->data[i], path) == 0) {
return;
}
}
vec_push(data_dependencies, path);
}
bool golf_level_save(golf_level_t *level, const char *path) {
vec_str_t data_dependencies;
vec_init(&data_dependencies, "level");
_add_dependency(&data_dependencies, "data/textures/hole_lightmap.png");
JSON_Value *json_materials_val = json_value_init_array();
JSON_Array *json_materials_arr = json_value_get_array(json_materials_val);
for (int i = 0; i < level->materials.length; i++) {
golf_material_t *material = &level->materials.data[i];
if (!material->active) continue;
JSON_Value *json_material_val = json_value_init_object();
JSON_Object *json_material_obj = json_value_get_object(json_material_val);
json_object_set_string(json_material_obj, "name", material->name);
json_object_set_number(json_material_obj, "friction", material->friction);
json_object_set_number(json_material_obj, "restitution", material->restitution);
json_object_set_number(json_material_obj, "vel_scale", material->vel_scale);
switch (material->type) {
case GOLF_MATERIAL_TEXTURE: {
json_object_set_string(json_material_obj, "type", "texture");
json_object_set_string(json_material_obj, "texture", material->texture_path);
_add_dependency(&data_dependencies, material->texture_path);
break;
}
case GOLF_MATERIAL_COLOR: {
json_object_set_string(json_material_obj, "type", "color");
golf_json_object_set_vec4(json_material_obj, "color", material->color);
break;
}
case GOLF_MATERIAL_DIFFUSE_COLOR: {
json_object_set_string(json_material_obj, "type", "diffuse_color");
golf_json_object_set_vec4(json_material_obj, "color", material->color);
break;
}
case GOLF_MATERIAL_ENVIRONMENT: {
json_object_set_string(json_material_obj, "type", "environment");
json_object_set_string(json_material_obj, "texture", material->texture_path);
_add_dependency(&data_dependencies, material->texture_path);
break;
}
}
json_array_append_value(json_materials_arr, json_material_val);
}
JSON_Value *json_lightmap_images_val = json_value_init_array();
JSON_Array *json_lightmap_images_arr = json_value_get_array(json_lightmap_images_val);
for (int i = 0; i < level->lightmap_images.length; i++) {
golf_lightmap_image_t *lightmap_image = &level->lightmap_images.data[i];
if (!lightmap_image->active) continue;
JSON_Value *json_lightmap_image_val = json_value_init_object();
JSON_Object *json_lightmap_image_obj = json_value_get_object(json_lightmap_image_val);
json_object_set_string(json_lightmap_image_obj, "name", lightmap_image->name);
json_object_set_number(json_lightmap_image_obj, "resolution", lightmap_image->resolution);
json_object_set_number(json_lightmap_image_obj, "time_length", lightmap_image->time_length);
json_object_set_number(json_lightmap_image_obj, "num_samples", lightmap_image->num_samples);
json_object_set_boolean(json_lightmap_image_obj, "repeats", lightmap_image->repeats);
JSON_Value *datas_val = json_value_init_array();
JSON_Array *datas_arr = json_value_get_array(datas_val);
for (int s = 0; s < lightmap_image->num_samples; s++) {
vec_char_t png_data;
vec_init(&png_data, "level");
stbi_write_png_to_func(_stbi_write_func, &png_data, lightmap_image->width, lightmap_image->height, 1, lightmap_image->data[s], lightmap_image->width);
golf_json_array_append_data(datas_arr, (unsigned char*)png_data.data, sizeof(unsigned char) * png_data.length);
vec_deinit(&png_data);
}
json_object_set_value(json_lightmap_image_obj, "datas", datas_val);
json_array_append_value(json_lightmap_images_arr, json_lightmap_image_val);
}
vec_int_t entity_saved_idx;
vec_init(&entity_saved_idx, "level");
{
int saved_idx = 0;
for (int i = 0; i < level->entities.length; i++) {
vec_push(&entity_saved_idx, saved_idx);
if (level->entities.data[i].active) saved_idx++;
}
}
JSON_Value *json_entities_val = json_value_init_array();
JSON_Array *json_entities_arr = json_value_get_array(json_entities_val);
for (int i = 0; i < level->entities.length; i++) {
golf_entity_t *entity = &level->entities.data[i];
if (!entity->active) continue;
JSON_Value *json_entity_val = json_value_init_object();
JSON_Object *json_entity_obj = json_value_get_object(json_entity_val);
int parent_idx = entity->parent_idx;
if (parent_idx >= 0) {
parent_idx = entity_saved_idx.data[parent_idx];
}
json_object_set_number(json_entity_obj, "parent_idx", parent_idx);
json_object_set_string(json_entity_obj, "name", entity->name);
switch (entity->type) {
case MODEL_ENTITY: {
golf_model_entity_t *model = &entity->model;
json_object_set_string(json_entity_obj, "type", "model");
json_object_set_string(json_entity_obj, "model", model->model_path);
json_object_set_number(json_entity_obj, "uv_scale", model->uv_scale);
_add_dependency(&data_dependencies, model->model_path);
break;
}
case BALL_START_ENTITY: {
json_object_set_string(json_entity_obj, "type", "ball-start");
break;
}
case HOLE_ENTITY: {
json_object_set_string(json_entity_obj, "type", "hole");
break;
}
case GEO_ENTITY: {
json_object_set_string(json_entity_obj, "type", "geo");
break;
}
case GROUP_ENTITY: {
json_object_set_string(json_entity_obj, "type", "group");
break;
}
case WATER_ENTITY: {
json_object_set_string(json_entity_obj, "type", "water");
break;
}
case BEGIN_ANIMATION_ENTITY: {
json_object_set_string(json_entity_obj, "type", "begin_animation");
break;
}
case CAMERA_ZONE_ENTITY: {
json_object_set_string(json_entity_obj, "type", "camera_zone");
json_object_set_boolean(json_entity_obj, "towards_hole", entity->camera_zone.towards_hole);
break;
}
}
golf_geo_t *geo = golf_entity_get_geo(entity);
if (geo) {
_golf_json_object_set_geo(json_entity_obj, "geo", geo);
}
golf_transform_t *transform = golf_entity_get_transform(entity);
if (transform) {
_golf_json_object_set_transform(json_entity_obj, "transform", transform);
}
golf_lightmap_section_t *lightmap_section = golf_entity_get_lightmap_section(entity);
if (lightmap_section) {
_golf_json_object_set_lightmap_section(json_entity_obj, "lightmap_section", lightmap_section);
}
golf_movement_t *movement = golf_entity_get_movement(entity);
if (movement) {
_golf_json_object_set_movement(json_entity_obj, "movement", movement);
}
json_array_append_value(json_entities_arr, json_entity_val);
}
vec_deinit(&entity_saved_idx);
JSON_Value *json_data_dependencies_val = json_value_init_array();
JSON_Array *json_data_dependencies_arr = json_value_get_array(json_data_dependencies_val);
for (int i = 0; i < data_dependencies.length; i++) {
json_array_append_string(json_data_dependencies_arr, data_dependencies.data[i]);
}
vec_deinit(&data_dependencies);
JSON_Value *json_val = json_value_init_object();
JSON_Object *json_obj = json_value_get_object(json_val);
json_object_set_value(json_obj, "data_dependencies", json_data_dependencies_val);
json_object_set_value(json_obj, "materials", json_materials_val);
json_object_set_value(json_obj, "lightmap_images", json_lightmap_images_val);
json_object_set_value(json_obj, "entities", json_entities_val);
json_serialize_to_file_pretty(json_val, path);
json_value_free(json_val);
return true;
}
bool golf_level_unload(golf_level_t *level) {
GOLF_UNUSED(level);
return false;
}
mat4 golf_transform_get_model_mat(golf_transform_t transform) {
return mat4_multiply_n(3,
mat4_translation(transform.position),
mat4_from_quat(transform.rotation),
mat4_scale(transform.scale));
}
golf_transform_t golf_transform_apply_movement(golf_transform_t transform, golf_movement_t movement, float t) {
float l = movement.length;
t = fmodf(movement.t0 + t, l);
golf_transform_t new_transform = transform;
switch (movement.type) {
case GOLF_MOVEMENT_NONE:
break;
case GOLF_MOVEMENT_LINEAR: {
vec3 p0 = movement.linear.p0;
vec3 p1 = movement.linear.p1;
vec3 p = transform.position;
if (t < 0.5f * l) {
p = vec3_add(p, vec3_interpolate(p0, p1, t / (0.5f * l)));
}
else {
p = vec3_add(p, vec3_interpolate(p0, p1, (l - t) / (0.5f * l)));
}
new_transform.position = p;
break;
}
case GOLF_MOVEMENT_SPINNER: {
float a = 2 * MF_PI * (t / l);
quat r = quat_create_from_axis_angle(V3(0, 1, 0), a);
new_transform.rotation = quat_multiply(r, transform.rotation);
break;
}
case GOLF_MOVEMENT_PENDULUM: {
float a = 2 * (t / l);
if (a >= 1) a = 2 - a;
float theta = movement.pendulum.theta0 * cosf(MF_PI * a);
quat r = quat_create_from_axis_angle(movement.pendulum.axis, theta);
new_transform.rotation = quat_multiply(r, transform.rotation);
break;
}
}
return new_transform;
}
bool golf_level_get_material(golf_level_t *level, const char *material_name, golf_material_t *out_material) {
for (int i = 0; i < level->materials.length; i++) {
golf_material_t *material = &level->materials.data[i];
if (!material->active) continue;
if (strcmp(material->name, material_name) == 0) {
*out_material = *material;
return true;
}
}
return false;
}
bool golf_level_get_lightmap_image(golf_level_t *level, const char *lightmap_name, golf_lightmap_image_t *out_lightmap_image) {
for (int i = 0; i < level->lightmap_images.length; i++) {
golf_lightmap_image_t *lightmap_image = &level->lightmap_images.data[i];
if (!lightmap_image->active) continue;
if (strcmp(lightmap_image->name, lightmap_name) == 0) {
*out_lightmap_image = *lightmap_image;
return true;
}
}
return false;
}
golf_entity_t golf_entity_model(const char *name, golf_transform_t transform, const char *model_path, float uv_scale, golf_lightmap_section_t lightmap_section, golf_movement_t movement) {
golf_entity_t entity;
entity.active = true;
entity.parent_idx = -1;
entity.type = MODEL_ENTITY;
snprintf(entity.name, GOLF_MAX_NAME_LEN, "%s", name);
entity.model.transform = transform;
snprintf(entity.model.model_path, GOLF_FILE_MAX_PATH, "%s", model_path);
entity.model.model = golf_data_get_model(model_path);
entity.model.uv_scale = uv_scale;
entity.model.lightmap_section = lightmap_section;
entity.model.movement = movement;
return entity;
}
golf_entity_t golf_entity_hole(const char *name, golf_transform_t transform) {
golf_entity_t entity;
entity.active = true;
entity.parent_idx = -1;
entity.type = HOLE_ENTITY;
snprintf(entity.name, GOLF_MAX_NAME_LEN, "%s", name);
entity.hole.transform = transform;
return entity;
}
golf_entity_t golf_entity_ball_start(const char *name, golf_transform_t transform) {
golf_entity_t entity;
entity.active = true;
entity.parent_idx = -1;
entity.type = BALL_START_ENTITY;
snprintf(entity.name, GOLF_MAX_NAME_LEN, "%s", name);
entity.ball_start.transform = transform;
return entity;
}
golf_entity_t golf_entity_geo(const char *name, golf_transform_t transform, golf_movement_t movement, golf_geo_t geo, golf_lightmap_section_t lightmap_section) {
golf_entity_t entity;
entity.active = true;
entity.parent_idx = -1;
entity.type = GEO_ENTITY;
snprintf(entity.name, GOLF_MAX_NAME_LEN, "%s", name);
entity.geo.transform = transform;
entity.geo.movement = movement;
entity.geo.geo = geo;
entity.geo.lightmap_section = lightmap_section;
return entity;
}
golf_entity_t golf_entity_water(const char *name, golf_transform_t transform, golf_geo_t geo, golf_lightmap_section_t lightmap_section) {
golf_entity_t entity;
entity.active = true;
entity.parent_idx = -1;
entity.type = WATER_ENTITY;
snprintf(entity.name, GOLF_MAX_NAME_LEN, "%s", name);
entity.water.transform = transform;
entity.water.geo = geo;
entity.water.lightmap_section = lightmap_section;
return entity;
}
golf_entity_t golf_entity_group(const char *name, golf_transform_t transform) {
golf_entity_t entity;
entity.active = true;
entity.parent_idx = -1;
entity.type = GROUP_ENTITY;
snprintf(entity.name, GOLF_MAX_NAME_LEN, "%s", name);
entity.group.transform = transform;
return entity;
}
golf_entity_t golf_entity_begin_animation(const char *name, golf_transform_t transform) {
golf_entity_t entity;
entity.active = true;
entity.parent_idx = -1;
entity.type = BEGIN_ANIMATION_ENTITY;
snprintf(entity.name, GOLF_MAX_NAME_LEN, "%s", name);
entity.begin_animation.transform = transform;
return entity;
}
golf_entity_t golf_entity_camera_zone(const char *name, bool towards_hole, golf_transform_t transform) {
golf_entity_t entity;
entity.active = true;
entity.parent_idx = -1;
entity.type = CAMERA_ZONE_ENTITY;
snprintf(entity.name, GOLF_MAX_NAME_LEN, "%s", name);
entity.camera_zone.towards_hole = towards_hole;
entity.camera_zone.transform = transform;
return entity;
}
golf_entity_t golf_entity_make_copy(golf_entity_t *entity) {
golf_entity_t entity_copy = *entity;
golf_lightmap_section_t *lightmap_section = golf_entity_get_lightmap_section(entity);
golf_lightmap_section_t *lightmap_section_copy = golf_entity_get_lightmap_section(&entity_copy);
if (lightmap_section) {
vec_vec2_t uvs_copy;
vec_init(&uvs_copy, "level");
vec_pusharr(&uvs_copy, lightmap_section->uvs.data, lightmap_section->uvs.length);
*lightmap_section_copy = golf_lightmap_section(lightmap_section->lightmap_name, uvs_copy);
golf_lightmap_section_finalize(lightmap_section_copy);
}
golf_geo_t *geo = golf_entity_get_geo(entity);
golf_geo_t *geo_copy = golf_entity_get_geo(&entity_copy);
if (geo) {
vec_golf_geo_point_t points_copy;
vec_init(&points_copy, "geo");
for (int i = 0; i < geo->points.length; i++) {
golf_geo_point_t point = geo->points.data[i];
golf_geo_point_t point_copy = golf_geo_point(point.position);
vec_push(&points_copy, point_copy);
}