You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

999 lines
30 KiB
C

//------------------------------------------------------------------------------
// Take flight
//------------------------------------------------------------------------------
#define SOKOL_IMPL
#define SOKOL_D3D11
#include <enet/enet.h>
#include <process.h> // starting server thread
#pragma warning ( disable: 33010 ) // this warning is so broken, doesn't understand assert()
#pragma warning ( disable: 33010 ) // this warning is so broken, doesn't understand assert()
#include "sokol_app.h"
#include "sokol_gfx.h"
#include "sokol_glue.h"
#include "sokol_gp.h"
#include "sokol_time.h"
#pragma warning ( default: 33010 )
#pragma warning ( disable: 6262 ) // warning about using a lot of stack, lol that's how stb image is
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
#include "types.h"
#include <inttypes.h>
#include <string.h> // errno error message on file open
#include "minilzo.h"
static struct GameState gs = { 0 };
static int myplayer = -1;
static bool right_mouse_down = false;
static bool keydown[SAPP_KEYCODE_MENU] = { 0 };
typedef struct KeyPressed {
bool pressed;
uint64_t frame;
} KeyPressed;
static KeyPressed keypressed[SAPP_KEYCODE_MENU] = { 0 };
static V2 mouse_pos = { 0 };
static bool mouse_pressed = false;
static uint64_t mouse_pressed_frame = 0;
static bool mouse_frozen = false; // @BeforeShip make this debug only thing
static float funval = 0.0f; // easy to play with value controlled by left mouse button when held
// down @BeforeShip remove on release builds
static struct ClientToServer client_to_server = { 0 }; // buffer of inputs
static ENetHost* client;
static ENetPeer* peer;
static float zoom_target = 300.0f;
static float zoom = 300.0f;
static sg_image image_itemframe;
static sg_image image_itemframe_selected;
static sg_image image_thrusterburn;
static sg_image image_player;
static sg_image image_cockpit_used;
static sg_image image_stars;
static sg_image image_stars2;
static sg_image image_sun;
static sg_image image_medbay_used;
static sg_image image_mystery;
static sg_image image_explosion;
static sg_image image_low_health;
static int cur_editing_boxtype = -1;
static int cur_editing_rotation = 0;
static struct BoxInfo {
enum BoxType type;
const char* image_path;
sg_image image;
bool needs_tobe_unlocked;
} boxes[] = {
// if added to here will show up in toolbar, is placeable
{
.type = BoxHullpiece,
.image_path = "loaded/hullpiece.png",
},
{
.type = BoxThruster,
.image_path = "loaded/thruster.png",
},
{
.type = BoxBattery,
.image_path = "loaded/battery.png",
},
{
.type = BoxCockpit,
.image_path = "loaded/cockpit.png",
},
{
.type = BoxMedbay,
.image_path = "loaded/medbay.png",
},
{
.type = BoxSolarPanel,
.image_path = "loaded/solarpanel.png",
},
{
.type = BoxExplosive,
.image_path = "loaded/explosive.png",
.needs_tobe_unlocked = true,
},
};
const int boxes_len = sizeof(boxes) / sizeof(*boxes);
struct BoxInfo
boxinfo(enum BoxType type)
{
for (int i = 0; i < boxes_len; i++) {
if (boxes[i].type == type)
return boxes[i];
}
Log("No box info found for type %d\n", type);
return (struct BoxInfo) { 0 };
}
static sg_image
load_image(const char* path)
{
sg_image to_return = sg_alloc_image();
int x = 0;
int y = 0;
int comp = 0;
const int desired_channels = 4;
stbi_set_flip_vertically_on_load(true);
stbi_uc* image_data = stbi_load(path, &x, &y, &comp, desired_channels);
if (!image_data) {
fprintf(stderr, "Failed to load image: %s\n", stbi_failure_reason());
exit(-1);
}
sg_init_image(to_return,
&(sg_image_desc) {.width = x,
.height = y,
.pixel_format = SG_PIXELFORMAT_RGBA8,
.min_filter = SG_FILTER_NEAREST,
.mag_filter = SG_FILTER_NEAREST,
.data.subimage[0][0] = {
.ptr = image_data,
.size = (size_t)(x * y * desired_channels),
} });
stbi_image_free(image_data);
return to_return;
}
static void
init(void)
{
// @BeforeShip make all fprintf into logging to file, warning dialog grids on
// failure instead of exit(-1), replace the macros in sokol with this as well,
// like assert
Entity* entity_data = malloc(sizeof * entity_data * MAX_ENTITIES);
initialize(&gs, entity_data, sizeof * entity_data * MAX_ENTITIES);
sg_desc sgdesc = { .context = sapp_sgcontext() };
sg_setup(&sgdesc);
if (!sg_isvalid()) {
fprintf(stderr, "Failed to create Sokol GFX context!\n");
exit(-1);
}
sgp_desc sgpdesc = { 0 };
sgp_setup(&sgpdesc);
if (!sgp_is_valid()) {
fprintf(stderr,
"Failed to create Sokol GP context: %s\n",
sgp_get_error_message(sgp_get_last_error()));
exit(-1);
}
// image loading
{
for (int i = 0; i < boxes_len; i++) {
boxes[i].image = load_image(boxes[i].image_path);
}
image_thrusterburn = load_image("loaded/thrusterburn.png");
image_itemframe = load_image("loaded/itemframe.png");
image_itemframe_selected = load_image("loaded/itemframe_selected.png");
image_player = load_image("loaded/player.png");
image_cockpit_used = load_image("loaded/cockpit_used.png");
image_stars = load_image("loaded/stars.png");
image_stars2 = load_image("loaded/stars2.png");
image_sun = load_image("loaded/sun.png");
image_medbay_used = load_image("loaded/medbay_used.png");
image_mystery = load_image("loaded/mystery.png");
image_explosion = load_image("loaded/explosion.png");
image_low_health = load_image("loaded/low_health.png");
}
// socket initialization
{
if (enet_initialize() != 0) {
fprintf(stderr, "An error occurred while initializing ENet.\n");
exit(-1);
}
client = enet_host_create(NULL /* create a client host */,
1 /* only allow 1 outgoing connection */,
2 /* allow up 2 channels to be used, 0 and 1 */,
0 /* assume any amount of incoming bandwidth */,
0 /* assume any amount of outgoing bandwidth */);
if (client == NULL) {
fprintf(
stderr,
"An error occurred while trying to create an ENet client host.\n");
exit(-1);
}
ENetAddress address;
ENetEvent event;
enet_address_set_host(&address, SERVER_ADDRESS);
address.port = SERVER_PORT;
peer = enet_host_connect(client, &address, 2, 0);
if (peer == NULL) {
fprintf(stderr,
"No available peers for initiating an ENet connection.\n");
exit(-1);
}
// the timeout is the third parameter here
if (enet_host_service(client, &event, 5000) > 0 && event.type == ENET_EVENT_TYPE_CONNECT) {
Log("Connected\n");
}
else {
/* Either the 5 seconds are up or a disconnect event was */
/* received. Reset the peer in the event the 5 seconds */
/* had run out without any significant event. */
enet_peer_reset(peer);
fprintf(stderr, "Connection to server failed.");
exit(-1);
}
}
}
#define DeferLoop(start, end) \
for (int _i_ = ((start), 0); _i_ == 0; _i_ += 1, (end))
#define transform_scope DeferLoop(sgp_push_transform(), sgp_pop_transform())
static void
draw_color_rect_centered(V2 center, float size)
{
float halfbox = size / 2.0f;
sgp_draw_filled_rect(center.x - halfbox, center.y - halfbox, size, size);
}
static void
draw_texture_rectangle_centered(V2 center, V2 width_height)
{
V2 halfsize = V2scale(width_height, 0.5f);
sgp_draw_textured_rect(center.x - halfsize.x,
center.y - halfsize.y,
width_height.x,
width_height.y);
}
static void
draw_texture_centered(V2 center, float size)
{
draw_texture_rectangle_centered(center, (V2) { size, size });
}
static void
draw_circle(V2 point, float radius)
{
#define POINTS 64
sgp_line lines[POINTS];
for (int i = 0; i < POINTS; i++) {
float progress = (float)i / (float)POINTS;
float next_progress = (float)(i + 1) / (float)POINTS;
lines[i].a = (V2){ .x = cosf(progress * 2.0f * PI) * radius,
.y = sinf(progress * 2.0f * PI) * radius };
lines[i].b = (V2){ .x = cosf(next_progress * 2.0f * PI) * radius,
.y = sinf(next_progress * 2.0f * PI) * radius };
lines[i].a = V2add(lines[i].a, point);
lines[i].b = V2add(lines[i].b, point);
}
sgp_draw_lines(lines, POINTS);
}
static Entity*
myentity()
{
if (myplayer == -1)
return NULL;
Entity* to_return = get_entity(&gs, gs.players[myplayer].entity);
if (to_return != NULL)
assert(to_return->is_player);
return to_return;
}
bool can_build(int i)
{
bool allow_building = true;
if (boxinfo((enum BoxType)i).needs_tobe_unlocked)
{
allow_building = gs.players[myplayer].unlocked_bombs;
}
return allow_building;
}
void attempt_to_build(int i)
{
if (can_build(i))
cur_editing_boxtype = i;
}
static void
ui(bool draw, float dt, float width, float height)
{
static float cur_opacity = 1.0f;
cur_opacity = lerp(cur_opacity, myentity() != NULL ? 1.0f : 0.0f, dt * 5.0f);
if (cur_opacity <= 0.01f) {
return;
}
if (draw)
sgp_push_transform();
// if(draw) sgp_scale(1.0f, -1.0f);
// draw spice bar
if (draw) {
static float damage = 0.5f;
if (myentity() != NULL) {
damage = myentity()->damage;
}
sgp_set_color(0.5f, 0.5f, 0.5f, cur_opacity);
float margin = width * 0.1f;
float bar_width = width - margin * 2.0f;
sgp_draw_filled_rect(margin, 80.0f, bar_width, 30.0f);
sgp_set_color(1.0f, 1.0f, 1.0f, cur_opacity);
sgp_draw_filled_rect(
margin, 80.0f, bar_width * (1.0f - damage), 30.0f);
}
// draw item toolbar
{
float itemframe_width = (float)sg_query_image_info(image_itemframe).width * 2.0f;
float itemframe_height = (float)sg_query_image_info(image_itemframe).height * 2.0f;
float total_width = itemframe_width * boxes_len;
float item_width = itemframe_width * 0.75f;
float item_height = itemframe_height * 0.75f;
float item_offset_x = (itemframe_width - item_width) / 2.0f;
float item_offset_y = (itemframe_height - item_height) / 2.0f;
float x = width / 2.0f - total_width / 2.0f;
float y = height - itemframe_height * 1.5f;
for (int i = 0; i < boxes_len; i++) {
if (has_point(
(AABB) {
.x = x,
.y = y,
.width = itemframe_width,
.height = itemframe_height,
},
mouse_pos)
&& mouse_pressed) {
// "handle" mouse pressed
attempt_to_build(i);
mouse_pressed = false;
}
if (draw) {
sgp_set_color(1.0f, 1.0f, 1.0f, cur_opacity);
if (cur_editing_boxtype == i) {
sgp_set_image(0, image_itemframe_selected);
}
else {
sgp_set_image(0, image_itemframe);
}
sgp_draw_textured_rect(x, y, itemframe_width, itemframe_height);
struct BoxInfo info = boxinfo((enum BoxType)i);
if (can_build(i))
{
sgp_set_image(0, info.image);
}
else {
sgp_set_image(0, image_mystery);
}
transform_scope
{
float item_x = x + item_offset_x;
float item_y = y + item_offset_y;
sgp_scale_at(1.0f, -1.0f, item_x + item_width / 2.0f, item_y + item_height / 2.0f);
//sgp_scale(1.0f, -1.0f);
sgp_draw_textured_rect(item_x, item_y, item_width, item_height);
}
sgp_reset_image(0);
}
x += itemframe_width;
}
}
if (draw)
sgp_pop_transform();
}
static void draw_dots(V2 camera_pos, float gap)
{
sgp_set_color(1.0f, 1.0f, 1.0f, 1.0f);
const int num = 100;
for (int x = -num; x < num; x++) {
for (int y = -num; y < num; y++) {
V2 star = (V2){ (float)x * gap, (float)y * gap };
if(V2lengthsqr(V2sub(star, camera_pos)) > VISION_RADIUS*VISION_RADIUS)
continue;
star.x += hash11(star.x * 100.0f + star.y * 67.0f) * gap;
star.y += hash11(star.y * 93.0f + star.x * 53.0f) * gap;
sgp_draw_point(star.x, star.y);
}
}
}
static void
frame(void)
{
float width = (float)sapp_width(), height = (float)sapp_height();
float ratio = width / height;
double time = sapp_frame_count() * sapp_frame_duration();
float dt = (float)sapp_frame_duration();
// pressed input management
{
for (int i = 0; i < SAPP_KEYCODE_MENU; i++) {
if (keypressed[i].frame < sapp_frame_count()) {
keypressed[i].pressed = false;
}
}
if (mouse_pressed_frame < sapp_frame_count()) {
mouse_pressed = false;
}
}
// networking
{
ENetEvent event;
while (true) {
int enet_status = enet_host_service(client, &event, 0);
if (enet_status > 0) {
switch (event.type) {
case ENET_EVENT_TYPE_CONNECT: {
Log("New client from host %x\n", event.peer->address.host);
break;
}
case ENET_EVENT_TYPE_RECEIVE: {
// @Robust @BeforeShip use some kind of serialization strategy that
// checks for out of bounds and other validation instead of just
// casting to a struct "Alignment of structure members can be
// different even among different compilers on the same platform,
// let alone different platforms."
// ^^ need serialization strategy that accounts for this if multiple
// platforms is happening
// https://stackoverflow.com/questions/28455163/how-can-i-portably-send-a-c-struct-through-a-network-socket
ServerToClient msg = (ServerToClient){
.cur_gs = &gs,
};
// @Robust @BeforeShip maximum acceptable message size?
char* decompressed = malloc(sizeof * decompressed * MAX_BYTES_SIZE);
size_t decompressed_max_len = MAX_BYTES_SIZE;
assert(LZO1X_MEM_DECOMPRESS == 0);
int return_value = lzo1x_decompress_safe(event.packet->data, event.packet->dataLength, decompressed, &decompressed_max_len, NULL);
// @Robust not sure what return_value is, error test on it somehow
if (return_value == LZO_E_OK)
{
from_bytes(&msg, decompressed, decompressed_max_len, false, false);
myplayer = msg.your_player;
}
else {
Log("Couldn't decompress gamestate packet, error code %d from lzo\n", return_value);
}
enet_packet_destroy(event.packet);
free(decompressed);
break;
}
case ENET_EVENT_TYPE_DISCONNECT: {
fprintf(stderr, "Disconnected from server\n");
exit(-1);
break;
}
}
}
else if (enet_status == 0) {
break;
}
else if (enet_status < 0) {
fprintf(stderr, "Error receiving enet events: %d\n", enet_status);
break;
}
}
}
// gameplay
ui(false, dt, width, height); // handle events
V2 build_target_pos = { 0 };
float build_target_rotation = 0.0f;
static V2 camera_pos = {
0
}; // keeps camera at same position after player death
V2 world_mouse_pos = mouse_pos; // processed later in scope
struct BuildPreviewInfo {
V2 grid_pos;
float grid_rotation;
} build_preview = { 0 };
V2 hand_pos = { 0 }; // in local space of grid when hovering over a grid
bool hand_at_arms_length = false;
{
// interpolate zoom
zoom = lerp(zoom, zoom_target, dt * 12.0f);
// calculate world position and camera
{
if (myentity() != NULL) {
camera_pos = entity_pos(myentity());
}
world_mouse_pos = V2sub(world_mouse_pos, (V2) { .x = width / 2.0f, .y = height / 2.0f });
world_mouse_pos.x /= zoom;
world_mouse_pos.y /= -zoom;
world_mouse_pos = V2add(world_mouse_pos, (V2) { .x = camera_pos.x, .y = camera_pos.y });
}
// calculate build preview stuff
EntityID grid_to_build_on = (EntityID){ 0 };
V2 possibly_local_hand_pos = (V2){ 0 };
if (myentity() != NULL) {
hand_pos = V2sub(world_mouse_pos, entity_pos(myentity()));
float hand_len = V2length(hand_pos);
if (hand_len > MAX_HAND_REACH) {
hand_at_arms_length = true;
hand_len = MAX_HAND_REACH;
}
else {
hand_at_arms_length = false;
}
hand_pos = V2scale(V2normalize(hand_pos), hand_len);
hand_pos = V2add(hand_pos, entity_pos(myentity()));
possibly_local_hand_pos = V2sub(hand_pos, entity_pos(myentity()));
Entity* placing_grid = closest_to_point_in_radius(&gs, hand_pos, BUILD_BOX_SNAP_DIST_TO_SHIP);
if (placing_grid == NULL) {
build_preview = (struct BuildPreviewInfo){
.grid_pos = hand_pos,
.grid_rotation = 0.0f,
};
}
else {
grid_to_build_on = get_id(&gs, placing_grid);
hand_pos = grid_snapped_box_pos(placing_grid, hand_pos);
possibly_local_hand_pos = grid_world_to_local(placing_grid, hand_pos);
build_preview = (struct BuildPreviewInfo){ .grid_pos = entity_pos(placing_grid),
.grid_rotation = entity_rotation(placing_grid),
};
}
}
// Create and send input packet
{
// @Robust accumulate total time and send input at rate like 20 hz, not
// every frame
static size_t last_frame_id = 0;
InputFrame cur_input_frame = { 0 };
cur_input_frame.id = last_frame_id;
V2 input = (V2){
.x = (float)keydown[SAPP_KEYCODE_D] - (float)keydown[SAPP_KEYCODE_A],
.y = (float)keydown[SAPP_KEYCODE_W] - (float)keydown[SAPP_KEYCODE_S],
};
if (V2length(input) > 0.0)
input = V2normalize(input);
cur_input_frame.movement = input;
cur_input_frame.seat_action = keypressed[SAPP_KEYCODE_G].pressed;
cur_input_frame.grid_hand_pos_local_to = grid_to_build_on;
cur_input_frame.hand_pos = possibly_local_hand_pos;
if (mouse_pressed && cur_editing_boxtype != -1) {
cur_input_frame.dobuild = mouse_pressed;
cur_input_frame.build_type = cur_editing_boxtype;
cur_input_frame.build_rotation = cur_editing_rotation;
}
InputFrame latest = client_to_server.inputs[0];
// @Robust split this into separate lines and be very careful about testing for inequality
bool input_differs = false;
input_differs = input_differs || !V2equal(cur_input_frame.movement, latest.movement, 0.01f);
input_differs = input_differs || cur_input_frame.seat_action != latest.seat_action;
input_differs = input_differs || !entityids_same(cur_input_frame.seat_to_inhabit, latest.seat_to_inhabit);
input_differs = input_differs || !V2equal(cur_input_frame.hand_pos, latest.hand_pos, 0.01f);
input_differs = input_differs || cur_input_frame.dobuild != latest.dobuild;
input_differs = input_differs || cur_input_frame.build_type != latest.build_type;
input_differs = input_differs || cur_input_frame.build_rotation != latest.build_rotation;
input_differs = input_differs || !entityids_same(cur_input_frame.grid_hand_pos_local_to, latest.grid_hand_pos_local_to);
if (input_differs) {
InputFrame last_frame = client_to_server.inputs[0];
for (int i = 0; i < INPUT_BUFFER - 1; i++) {
InputFrame last_last_frame = last_frame;
last_frame = client_to_server.inputs[i + 1];
client_to_server.inputs[i + 1] = last_last_frame;
}
cur_input_frame.tick = tick(&gs);
client_to_server.inputs[0] = cur_input_frame;
last_frame_id += 1;
}
static double last_input_sent_time = 0.0;
if (fabs(last_input_sent_time - time) > TIME_BETWEEN_INPUT_PACKETS) {
ENetPacket* packet = enet_packet_create((void*)&client_to_server,
sizeof(client_to_server),
ENET_PACKET_FLAG_UNRELIABLE_FRAGMENT);
enet_peer_send(peer, 0, packet); // @Robust error check this
last_input_sent_time = time;
}
}
// @BeforeShip client side prediction and rollback to previous server
// authoritative state, then replay inputs no need to store copies of game
// state, just player input frame to frame. Then know how many frames ago
// the server game state arrived, it's that easy! process(&gs,
// (float)sapp_frame_duration());
}
// drawing
{
sgp_begin((int)width, (int)height);
sgp_viewport(0, 0, (int)width, (int)height);
sgp_project(0.0f, width, 0.0f, height);
sgp_set_blend_mode(SGP_BLENDMODE_BLEND);
// Draw background color
set_color(colhexcode(0x000000));
// sgp_set_color(0.1f, 0.1f, 0.1f, 1.0f);
sgp_clear();
// sokol drawing library draw in world space
// world space coordinates are +Y up, -Y down. Like normal cartesian coords
transform_scope
{
sgp_translate(width / 2, height / 2);
sgp_scale_at(zoom, -zoom, 0.0f, 0.0f);
// parllax layers, just the zooming, but not 100% of the camera panning
#if 1 // space background
transform_scope
{
V2 scaled_camera_pos = V2scale(camera_pos, 0.05f); // this is how strong/weak the parallax is
sgp_translate(-scaled_camera_pos.x, -scaled_camera_pos.y);
set_color(WHITE);
sgp_set_image(0, image_stars);
float stars_height_over_width = (float)sg_query_image_info(image_stars).height / (float)sg_query_image_info(image_stars).width;
const float stars_width = 35.0f;
float stars_height = stars_width * stars_height_over_width;
sgp_draw_textured_rect(-stars_width / 2.0f, -stars_height / 2.0f, stars_width, stars_height);
//sgp_draw_textured_rect(0, 0, stars_width, stars_height);
sgp_reset_image(0);
}
transform_scope
{
V2 scaled_camera_pos = V2scale(camera_pos, 0.1f); // this is how strong/weak the parallax is
sgp_translate(-scaled_camera_pos.x, -scaled_camera_pos.y);
set_color(WHITE);
sgp_set_image(0, image_stars2);
float stars_height_over_width = (float)sg_query_image_info(image_stars).height / (float)sg_query_image_info(image_stars).width;
const float stars_width = 35.0f;
float stars_height = stars_width * stars_height_over_width;
sgp_draw_textured_rect(-stars_width / 2.0f, -stars_height / 2.0f, stars_width, stars_height);
//sgp_draw_textured_rect(0, 0, stars_width, stars_height);
sgp_reset_image(0);
}
#endif
#if 1 // parallaxed dots
transform_scope
{
V2 scaled_camera_pos = V2scale(camera_pos, 0.25f);
sgp_translate(-scaled_camera_pos.x, -scaled_camera_pos.y);
set_color(WHITE);
draw_dots(scaled_camera_pos, 3.0f);
}
transform_scope
{
V2 scaled_camera_pos = V2scale(camera_pos, 0.5f);
sgp_translate(-scaled_camera_pos.x, -scaled_camera_pos.y);
set_color(WHITE);
draw_dots(scaled_camera_pos, 2.0f);
}
#endif
// camera go to player
sgp_translate(-camera_pos.x, -camera_pos.y);
draw_dots(camera_pos, 1.5f); // in plane dots
// hand reached limit circle
if (myentity() != NULL) {
static float hand_reach_alpha = 1.0f;
hand_reach_alpha = lerp(hand_reach_alpha, hand_at_arms_length ? 1.0f : 0.0f, dt * 5.0f);
sgp_set_color(1.0f, 1.0f, 1.0f, hand_reach_alpha);
draw_circle(entity_pos(myentity()), MAX_HAND_REACH);
}
// vision circle, what player can see
if (myentity() != NULL)
{
set_color(colhexcode(0x4685e3));
draw_circle(entity_pos(myentity()), VISION_RADIUS);
}
float halfbox = BOX_SIZE / 2.0f;
// mouse frozen, debugging tool
if (mouse_frozen) {
sgp_set_color(1.0f, 0.0f, 0.0f, 0.5f);
sgp_draw_filled_rect(world_mouse_pos.x, world_mouse_pos.y, 0.1f, 0.1f);
}
// building preview
if (cur_editing_boxtype != -1) {
sgp_set_color(0.5f, 0.5f, 0.5f, (sinf((float)time * 9.0f) + 1.0f) / 3.0f + 0.2f);
transform_scope
{
sgp_set_image(0, boxinfo(cur_editing_boxtype).image);
sgp_rotate_at(build_preview.grid_rotation + rotangle(cur_editing_rotation),
hand_pos.x,
hand_pos.y);
draw_texture_centered(hand_pos, BOX_SIZE);
// drawbox(hand_pos, build_preview.grid_rotation, 0.0f,
// cur_editing_boxtype, cur_editing_rotation);
sgp_reset_image(0);
}
}
static float player_scaling = 1.0f;
player_scaling = lerp(player_scaling, zoom < 6.5f ? 100.0f : 1.0f, dt * 7.0f);
for (size_t i = 0; i < gs.cur_next_entity; i++) {
Entity* e = &gs.entities[i];
if (!e->exists)
continue;
// draw grid
if (e->is_grid)
{
Entity* g = e;
BOXES_ITER(&gs, b, g)
{
if (b->is_explosion_unlock)
{
set_color(colhexcode(0xfcba03));
draw_circle(entity_pos(b), GOLD_UNLOCK_RADIUS);
}
sgp_set_color(1.0f, 1.0f, 1.0f, 1.0f);
// debug draw force vectors for thrusters
#if 0
{
if (b->type == BoxThruster)
{
dbg_rect(entity_pos(b));
dbg_line(entity_pos(b), V2add(entity_pos(b), V2scale(thruster_force(b), -1.0f)));
}
}
#endif
if (b->box_type == BoxBattery) {
float cur_alpha = sgp_get_color().a;
Color from = WHITE;
Color to = colhex(255, 0, 0);
Color result = Collerp(from, to, b->energy_used / BATTERY_CAPACITY);
sgp_set_color(result.r, result.g, result.b, cur_alpha);
}
transform_scope
{
sgp_rotate_at(entity_rotation(g) + rotangle(b->compass_rotation),
entity_pos(b).x,
entity_pos(b).y);
if (b->box_type == BoxThruster) {
transform_scope
{
sgp_set_color(1.0f, 1.0f, 1.0f, 1.0f);
sgp_set_image(0, image_thrusterburn);
// float scaling = 1.0 + (hash11(time*3.0)/2.0)*lerp(0.0,
// 0.07, b->thrust); printf("%f\n", b->thrust);
float scaling = 0.95f + lerp(0.0f, 0.3f, b->thrust);
// float scaling = 1.1;
// sgp_translate(-(scaling*BOX_SIZE - BOX_SIZE), 0.0);
// sgp_scale(scaling, 1.0);
sgp_scale_at(scaling, 1.0f, entity_pos(b).x, entity_pos(b).y);
draw_texture_centered(entity_pos(b), BOX_SIZE);
sgp_reset_image(0);
}
}
sg_image img = boxinfo(b->box_type).image;
if (b->box_type == BoxCockpit)
{
if (get_entity(&gs, b->player_who_is_inside_of_me) != NULL)
img = image_cockpit_used;
}
if (b->box_type == BoxMedbay)
{
if (get_entity(&gs, b->player_who_is_inside_of_me) != NULL)
img = image_medbay_used;
}
sgp_set_image(0, img);
if (b->indestructible)
{
sgp_set_color(0.2f, 0.2f, 0.2f, 1.0f);
}
draw_texture_centered(entity_pos(b), BOX_SIZE);
sgp_reset_image(0);
if (b->box_type == BoxSolarPanel)
{
Color to_set = colhexcode(0xeb9834);
to_set.a = b->sun_amount * 0.5f;
set_color(to_set);
draw_color_rect_centered(entity_pos(b), BOX_SIZE);
}
sgp_set_color(0.5f, 0.1f, 0.1f, b->damage);
draw_color_rect_centered(entity_pos(b), BOX_SIZE);
}
}
// draw the velocity
#if 0
sgp_set_color(1.0f, 0.0f, 0.0f, 1.0f);
V2 vel = grid_vel(g);
V2 to = V2add(grid_com(g), vel);
sgp_draw_line(grid_com(g).x, grid_com(g).y, to.x, to.y);
#endif
}
if (e->is_player && get_entity(&gs, e->currently_inside_of_box) == NULL) {
transform_scope
{
sgp_rotate_at(entity_rotation(e), entity_pos(e).x, entity_pos(e).y);
sgp_set_color(1.0f, 1.0f, 1.0f, 1.0f);
sgp_set_image(0, image_player);
draw_texture_rectangle_centered(entity_pos(e), V2scale(PLAYER_SIZE, player_scaling));
sgp_reset_image(0);
}
}
if (e->is_explosion)
{
sgp_set_image(0, image_explosion);
sgp_set_color(1.0f, 1.0f, 1.0f, 1.0f - (e->explosion_progresss / EXPLOSION_TIME));
draw_texture_centered(e->explosion_pos, EXPLOSION_RADIUS * 2.0f);
sgp_reset_image(0);
}
}
// gold target
set_color(GOLD);
sgp_draw_filled_rect(gs.goldpos.x, gs.goldpos.y, 0.1f, 0.1f);
// the SUN
transform_scope
{
sgp_translate(SUN_POS.x, SUN_POS.y);
set_color(WHITE);
sgp_set_image(0, image_sun);
draw_texture_centered((V2) { 0 }, SUN_RADIUS * 2.0f);
sgp_reset_image(0);
// sun DEATH RADIUS
set_color(RED);
draw_circle((V2) { 0 }, INSTANT_DEATH_DISTANCE_FROM_SUN);
}
sgp_set_color(1.0f, 1.0f, 1.0f, 1.0f);
dbg_drawall();
} // world space transform end
// low health
if (myentity() != NULL)
{
sgp_set_color(1.0f, 1.0f, 1.0f, myentity()->damage);
sgp_set_image(0, image_low_health);
draw_texture_rectangle_centered((V2) { width / 2.0f, height / 2.0f }, (V2) { width, height });
sgp_reset_image(0);
}
// UI drawn in screen space
ui(true, dt, width, height);
}
sg_pass_action pass_action = { 0 };
sg_begin_default_pass(&pass_action, (int)width, (int)height);
sgp_flush();
sgp_end();
sg_end_pass();
sg_commit();
}
void cleanup(void)
{
destroy(&gs);
free(gs.entities);
sgp_shutdown();
sg_shutdown();
enet_deinitialize();
}
void event(const sapp_event* e)
{
switch (e->type) {
case SAPP_EVENTTYPE_KEY_DOWN:
#ifdef DEBUG
if (e->key_code == SAPP_KEYCODE_T) {
mouse_frozen = !mouse_frozen;
}
#endif
if (e->key_code == SAPP_KEYCODE_R) {
cur_editing_rotation += 1;
cur_editing_rotation %= RotationLast;
}
if (e->key_code == SAPP_KEYCODE_F11)
{
sapp_toggle_fullscreen();
}
int key_num = e->key_code - SAPP_KEYCODE_0;
int target_box = key_num - 1;
if (target_box < BoxLast) {
attempt_to_build(target_box);
}
if (!mouse_frozen) {
keydown[e->key_code] = true;
if (keypressed[e->key_code].frame == 0) {
keypressed[e->key_code].pressed = true;
keypressed[e->key_code].frame = e->frame_count;
}
}
break;
case SAPP_EVENTTYPE_KEY_UP:
if (!mouse_frozen) {
keydown[e->key_code] = false;
keypressed[e->key_code].pressed = false;
keypressed[e->key_code].frame = 0;
}
break;
case SAPP_EVENTTYPE_MOUSE_SCROLL:
zoom_target *= 1.0f + (e->scroll_y / 4.0f) * 0.1f;
zoom_target = clamp(zoom_target, 0.5f, 900.0f);
break;
case SAPP_EVENTTYPE_MOUSE_DOWN:
if (e->mouse_button == SAPP_MOUSEBUTTON_LEFT) {
mouse_pressed = true;
mouse_pressed_frame = e->frame_count;
}
if (e->mouse_button == SAPP_MOUSEBUTTON_RIGHT) {
right_mouse_down = true;
}
break;
case SAPP_EVENTTYPE_MOUSE_UP:
if (e->mouse_button == SAPP_MOUSEBUTTON_LEFT) {
mouse_pressed = false;
mouse_pressed_frame = 0;
}
if (e->mouse_button == SAPP_MOUSEBUTTON_RIGHT) {
right_mouse_down = false;
}
break;
case SAPP_EVENTTYPE_MOUSE_MOVE:
if (!mouse_frozen) {
mouse_pos = (V2){ .x = e->mouse_x, .y = e->mouse_y };
}
if (right_mouse_down) {
funval += e->mouse_dx;
Log("Funval %f\n", funval);
}
break;
}
}
sapp_desc
sokol_main(int argc, char* argv[])
{
bool hosting = false;
if (argc > 1) {
_beginthread(server, 0, "debug_world.bin");
hosting = true;
}
(void)argv;
return (sapp_desc) {
.init_cb = init,
.frame_cb = frame,
.cleanup_cb = cleanup,
.width = 640,
.height = 480,
.gl_force_gles2 = true,
.window_title = hosting ? "Flight Hosting" : "Flight Not Hosting",
.icon.sokol_default = true,
.event_cb = event,
.win32_console_attach = true,
.sample_count = 4, // anti aliasing
};
}