127 lines
4.2 KiB
C
127 lines
4.2 KiB
C
#include "v4k.h"
|
|
|
|
int SKY_DIR = 0;
|
|
const char *SKY_DIRS[] = {
|
|
"cubemaps/bridge3/",
|
|
"cubemaps/colors/",
|
|
"cubemaps/colors2/",
|
|
"hdr/Tokyo_BigSight_1k.hdr",
|
|
};
|
|
|
|
int OBJ_MDL = 0;
|
|
const char *OBJ_MDLS[] = {
|
|
"meshes/CornellBox-Original.obj",
|
|
"meshes/sphere.obj",
|
|
"meshes/suzanne.obj",
|
|
"meshes/gazebo.obj",
|
|
};
|
|
|
|
int main(int argc, char** argv) {
|
|
window_create(85, WINDOW_MSAA8);
|
|
|
|
camera_t cam = camera(); {
|
|
cam.position = vec3(0, 7.5, 15);
|
|
cam.pitch = -15;
|
|
cam.yaw = -90;
|
|
camera_fps(&cam, 0, 0);
|
|
}
|
|
skybox_t sky = {0};
|
|
skybox_t env_probe = {0};
|
|
model_t mdl = {0};
|
|
|
|
bool initialized = 0;
|
|
bool must_reload = 0;
|
|
|
|
while( window_swap()) {
|
|
if (input_down(KEY_ESC)) break;
|
|
// reloading
|
|
if( must_reload ) {
|
|
must_reload = 0;
|
|
skybox_destroy(&sky);
|
|
model_destroy(mdl);
|
|
initialized = 0;
|
|
}
|
|
if( !initialized ) {
|
|
initialized = 1;
|
|
sky = skybox(flag("--mie") ? 0 : SKY_DIRS[SKY_DIR], 0);
|
|
env_probe = skybox(0, 0);
|
|
mdl = model(OBJ_MDLS[OBJ_MDL], 0);
|
|
// rotation44(mdl.pivot, 0, 1,0,0); // @fixme: -90,1,0,0 -> should we rotate SHMs as well? compensate rotation in shader?
|
|
}
|
|
|
|
// fps camera
|
|
bool active = ui_active() || ui_hover() || gizmo_active() ? false : input(MOUSE_L) || input(MOUSE_M) || input(MOUSE_R);
|
|
window_cursor( !active );
|
|
|
|
if( active ) cam.speed = clampf(cam.speed + input_diff(MOUSE_W) / 10, 0.05f, 5.0f);
|
|
vec2 mouse = scale2(vec2(input_diff(MOUSE_X), -input_diff(MOUSE_Y)), 0.2f * active);
|
|
vec3 wasdec = scale3(vec3(input(KEY_D)-input(KEY_A),input(KEY_E)-input(KEY_C),input(KEY_W)-input(KEY_S)), cam.speed);
|
|
camera_moveby(&cam, wasdec);
|
|
camera_fps(&cam, mouse.x,mouse.y);
|
|
|
|
static bool first_time = true;
|
|
static bool animate_probe_pos = false;
|
|
static bool follow_cam = false;
|
|
static vec3 probe_pos;
|
|
if (input_down(KEY_T)) {
|
|
animate_probe_pos = !animate_probe_pos;
|
|
}
|
|
if (input_down(KEY_F)) {
|
|
follow_cam = !follow_cam;
|
|
}
|
|
if (animate_probe_pos) {
|
|
probe_pos = vec3(0, 5, 0);
|
|
probe_pos.x = sinf(window_time()*2)*2.0f;
|
|
}
|
|
if (input_down(KEY_SPACE) || first_time || animate_probe_pos || follow_cam) {
|
|
first_time = false;
|
|
mat44 probe_proj, probe_view;
|
|
if (!animate_probe_pos) {
|
|
probe_pos = cam.position;
|
|
}
|
|
if (follow_cam) {
|
|
probe_pos = cam.position;
|
|
}
|
|
unsigned tex_size = 128;
|
|
cubemap_bake_begin(&env_probe.cubemap, probe_pos, tex_size, tex_size);
|
|
while (cubemap_bake_step(&env_probe.cubemap, probe_proj, probe_view)) {
|
|
skybox_render(&sky, probe_proj, probe_view);
|
|
shader_bind(mdl.program);
|
|
shader_vec3v("u_coefficients_sh", 9, sky.cubemap.sh);
|
|
|
|
model_render(mdl, probe_proj, probe_view, mdl.pivot, 0);
|
|
}
|
|
cubemap_bake_end(&env_probe.cubemap, 8, 1.0f);
|
|
}
|
|
|
|
ddraw_sphere(probe_pos, 0.1f);
|
|
|
|
// render
|
|
mat44 mvp; multiply44x2(mvp, cam.proj, cam.view);
|
|
{
|
|
// skybox_render(&env_probe, cam.proj, cam.view);
|
|
skybox_render(&sky, cam.proj, cam.view);
|
|
|
|
shader_bind(mdl.program);
|
|
cubemap_sh_blend(vec3(0,0,0), 10.0f, 1, &env_probe.cubemap);
|
|
shader_int("u_textured", false);
|
|
|
|
model_render(mdl, cam.proj, cam.view, mdl.pivot, 0);
|
|
}
|
|
|
|
if( ui_panel("Scene", 0)) {
|
|
if( ui_list("Skybox", SKY_DIRS, countof(SKY_DIRS), &SKY_DIR) ) {
|
|
must_reload = 1;
|
|
}
|
|
if( ui_list("Model", OBJ_MDLS, countof(OBJ_MDLS), &OBJ_MDL) ) {
|
|
must_reload = 1;
|
|
}
|
|
ui_separator();
|
|
for (int i = 0; i < 9; i++) {
|
|
ui_color3f(va("SH Coefficient [%d]", i), &sky.cubemap.sh[i].x);
|
|
}
|
|
ui_panel_end();
|
|
}
|
|
}
|
|
}
|