ref: 6d241d506fbce2d0b6a69f19f83b34bdda0ac6af
dir: /src/wipeout/scene.c/
#include "../mem.h"
#include "../utils.h"
#include "../system.h"
#include "object.h"
#include "track.h"
#include "ship.h"
#include "weapon.h"
#include "scene.h"
#include "droid.h"
#include "camera.h"
#include "object.h"
#include "game.h"
#define SCENE_START_BOOMS_MAX 4
#define SCENE_OIL_PUMPS_MAX 2
#define SCENE_RED_LIGHTS_MAX 4
#define SCENE_STANDS_MAX 20
static Object *scene_objects;
static Object *sky_object;
static vec3_t sky_offset;
static Object *start_booms[SCENE_START_BOOMS_MAX];
static int start_booms_len;
static Object *oil_pumps[SCENE_OIL_PUMPS_MAX];
static int oil_pumps_len;
static Object *red_lights[SCENE_RED_LIGHTS_MAX];
static int red_lights_len;
typedef struct {
sfx_t *sfx;
vec3_t pos;
} scene_stand_t;
static scene_stand_t stands[SCENE_STANDS_MAX];
static int stands_len;
static struct {
bool enabled;
GT4 *primitives[80];
int16_t *coords[80];
int16_t grey_coords[80];
} aurora_borealis;
void scene_pulsate_red_light(Object *obj);
void scene_move_oil_pump(Object *obj);
void scene_update_aurora_borealis();
void scene_load(const char *base_path, float sky_y_offset) {
texture_list_t scene_textures = image_get_compressed_textures(get_path(base_path, "scene.cmp"));
scene_objects = objects_load(get_path(base_path, "scene.prm"), scene_textures);
texture_list_t sky_textures = image_get_compressed_textures(get_path(base_path, "sky.cmp"));
sky_object = objects_load(get_path(base_path, "sky.prm") , sky_textures);
sky_offset = vec3(0, sky_y_offset, 0);
// Collect all objects that need to be updated each frame
start_booms_len = 0;
oil_pumps_len = 0;
red_lights_len = 0;
stands_len = 0;
Object *obj = scene_objects;
while (obj) {
mat4_set_translation(&obj->mat, obj->origin);
if (str_starts_with(obj->name, "start")) {
error_if(start_booms_len >= SCENE_START_BOOMS_MAX, "SCENE_START_BOOMS_MAX reached");
start_booms[start_booms_len++] = obj;
}
else if (str_starts_with(obj->name, "redl")) {
error_if(red_lights_len >= SCENE_RED_LIGHTS_MAX, "SCENE_RED_LIGHTS_MAX reached");
red_lights[red_lights_len++] = obj;
}
else if (str_starts_with(obj->name, "donkey")) {
error_if(oil_pumps_len >= SCENE_OIL_PUMPS_MAX, "SCENE_OIL_PUMPS_MAX reached");
oil_pumps[oil_pumps_len++] = obj;
}
else if (
str_starts_with(obj->name, "lostad") ||
str_starts_with(obj->name, "stad_") ||
str_starts_with(obj->name, "newstad_")
) {
error_if(stands_len >= SCENE_STANDS_MAX, "SCENE_STANDS_MAX reached");
stands[stands_len++] = (scene_stand_t){.sfx = NULL, .pos = obj->origin};
}
obj = obj->next;
}
aurora_borealis.enabled = false;
}
void scene_init() {
scene_set_start_booms(0);
for (int i = 0; i < stands_len; i++) {
stands[i].sfx = sfx_reserve_loop(SFX_CROWD);
}
}
void scene_update() {
for (int i = 0; i < red_lights_len; i++) {
scene_pulsate_red_light(red_lights[i]);
}
for (int i = 0; i < oil_pumps_len; i++) {
scene_move_oil_pump(oil_pumps[i]);
}
for (int i = 0; i < stands_len; i++) {
sfx_set_position(stands[i].sfx, stands[i].pos, vec3(0, 0, 0), 0.4);
}
if (aurora_borealis.enabled) {
scene_update_aurora_borealis();
}
}
void scene_draw(camera_t *camera) {
// Sky
render_set_depth_write(false);
mat4_set_translation(&sky_object->mat, vec3_add(camera->position, sky_offset));
object_draw(sky_object, &sky_object->mat);
render_set_depth_write(true);
// Nearby objects
vec3_t cam_pos = camera->position;
Object *object = scene_objects;
float max_dist_sq = RENDER_FADEOUT_FAR * RENDER_FADEOUT_FAR;
while (object) {
vec3_t d = vec3_sub(cam_pos, object->origin);
float dist_sq = d.x * d.x + d.y * d.y + d.z * d.z;
if (dist_sq < max_dist_sq) {
object_draw(object, &object->mat);
}
object = object->next;
}
}
void scene_set_start_booms(int light_index) {
int lights_len = 1;
rgba_t color = rgba(0, 0, 0, 0);
if (light_index == 0) { // reset all 3
lights_len = 3;
color = rgba(0x20, 0x20, 0x20, 0xff);
}
else if (light_index == 1) {
color = rgba(0xff, 0x00, 0x00, 0xff);
}
else if (light_index == 2) {
color = rgba(0xff, 0x80, 0x00, 0xff);
}
else if (light_index == 3) {
color = rgba(0x00, 0xff, 0x00, 0xff);
}
for (int i = 0; i < start_booms_len; i++) {
Prm libPoly = {.primitive = start_booms[i]->primitives};
for (int j = 1; j < light_index; j++) {
libPoly.gt4 += 1;
}
for (int j = 0; j < lights_len; j++) {
for (int v = 0; v < 4; v++) {
libPoly.gt4->colour[v].as_rgba.r = color.as_rgba.r;
libPoly.gt4->colour[v].as_rgba.g = color.as_rgba.g;
libPoly.gt4->colour[v].as_rgba.b = color.as_rgba.b;
}
libPoly.gt4 += 1;
}
}
}
void scene_pulsate_red_light(Object *obj) {
uint8_t r = clamp(sin(system_cycle_time() * M_PI * 2) * 128 + 128, 0, 255);
Prm libPoly = {.primitive = obj->primitives};
for (int v = 0; v < 4; v++) {
libPoly.gt4->colour[v].as_rgba.r = r;
libPoly.gt4->colour[v].as_rgba.g = 0x00;
libPoly.gt4->colour[v].as_rgba.b = 0x00;
}
}
void scene_move_oil_pump(Object *pump) {
mat4_set_yaw_pitch_roll(&pump->mat, vec3(sin(system_cycle_time() * 0.125 * M_PI * 2), 0, 0));
}
void scene_init_aurora_borealis() {
aurora_borealis.enabled = true;
clear(aurora_borealis.grey_coords);
int count = 0;
int16_t *coords;
float y;
Prm poly = {.primitive = sky_object->primitives};
for (int i = 0; i < sky_object->primitives_len; i++) {
switch (poly.primitive->type) {
case PRM_TYPE_GT3:
poly.gt3 += 1;
break;
case PRM_TYPE_GT4:
coords = poly.gt4->coords;
y = sky_object->vertices[coords[0]].y;
if (y < -6000) { // -8000
aurora_borealis.primitives[count] = poly.gt4;
if (y > -6800) {
aurora_borealis.coords[count] = poly.gt4->coords;
aurora_borealis.grey_coords[count] = -1;
}
else if (y < -11000) {
aurora_borealis.coords[count] = poly.gt4->coords;
aurora_borealis.grey_coords[count] = -2;
}
else {
aurora_borealis.coords[count] = poly.gt4->coords;
}
count++;
}
poly.gt4 += 1;
break;
}
}
}
void scene_update_aurora_borealis() {
float phase = system_time() / 30.0;
for (int i = 0; i < 80; i++) {
int16_t *coords = aurora_borealis.coords[i];
if (aurora_borealis.grey_coords[i] != -2) {
aurora_borealis.primitives[i]->colour[0].as_rgba.r = (sin(coords[0] * phase) * 64.0) + 190;
aurora_borealis.primitives[i]->colour[0].as_rgba.g = (sin(coords[0] * (phase + 0.054)) * 64.0) + 190;
aurora_borealis.primitives[i]->colour[0].as_rgba.b = (sin(coords[0] * (phase + 0.039)) * 64.0) + 190;
}
if (aurora_borealis.grey_coords[i] != -2) {
aurora_borealis.primitives[i]->colour[1].as_rgba.r = (sin(coords[1] * phase) * 64.0) + 190;
aurora_borealis.primitives[i]->colour[1].as_rgba.g = (sin(coords[1] * (phase + 0.054)) * 64.0) + 190;
aurora_borealis.primitives[i]->colour[1].as_rgba.b = (sin(coords[1] * (phase + 0.039)) * 64.0) + 190;
}
if (aurora_borealis.grey_coords[i] != -1) {
aurora_borealis.primitives[i]->colour[2].as_rgba.r = (sin(coords[2] * phase) * 64.0) + 190;
aurora_borealis.primitives[i]->colour[2].as_rgba.g = (sin(coords[2] * (phase + 0.054)) * 64.0) + 190;
aurora_borealis.primitives[i]->colour[2].as_rgba.b = (sin(coords[2] * (phase + 0.039)) * 64.0) + 190;
}
if (aurora_borealis.grey_coords[i] != -1) {
aurora_borealis.primitives[i]->colour[3].as_rgba.r = (sin(coords[3] * phase) * 64.0) + 190;
aurora_borealis.primitives[i]->colour[3].as_rgba.g = (sin(coords[3] * (phase + 0.054)) * 64.0) + 190;
aurora_borealis.primitives[i]->colour[3].as_rgba.b = (sin(coords[3] * (phase + 0.039)) * 64.0) + 190;
}
}
}