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2330 lines
72 KiB
C

//------------------------------------------------------------------------------
// Take flight
//------------------------------------------------------------------------------
2 years ago
#include "types.h"
#include <enet/enet.h>
#include <process.h> // starting server thread
#define TOOLBAR_SLOTS 9
#pragma warning(disable : 33010) // this warning is so broken, doesn't understand flight_assert()
2 years ago
#define SOKOL_LOG Log
#define SOKOL_ASSERT flight_assert
#define SOKOL_IMPL
#define SOKOL_D3D11
#include "sokol_app.h"
#include "sokol_gfx.h"
#include "sokol_glue.h"
#include "sokol_gp.h"
#include "sokol_time.h"
2 years ago
#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 <inttypes.h>
#include <string.h> // errno error message on file open
#include "minilzo.h"
#include "opus.h"
#include "queue.h"
#include "stb_image.h"
#define MINIAUDIO_IMPLEMENTATION
#include "miniaudio.h"
#include "buildsettings.h"
#include "profiling.h"
2 years ago
// shaders
#include "goodpixel.gen.h"
2 years ago
#include "hueshift.gen.h"
static sg_pipeline hueshift_pipeline;
static sg_pipeline goodpixel_pipeline;
2 years ago
static struct GameState gs = {0};
static int my_player_index = -1;
static bool right_mouse_down = false;
#define MAX_KEYDOWN SAPP_KEYCODE_MENU
static bool keydown[MAX_KEYDOWN] = {0};
2 years ago
typedef struct KeyPressed
{
bool pressed;
uint64_t frame;
} KeyPressed;
static KeyPressed keypressed[MAX_KEYDOWN] = {0};
static cpVect mouse_pos = {0};
static bool fullscreened = false;
static bool picking_new_boxtype = false;
static bool build_pressed = false;
static double dilating_time_factor = 1.0;
static double time_to_process = 0.0;
static bool interact_pressed = false;
#define MAX_MOUSEBUTTON (SAPP_MOUSEBUTTON_MIDDLE + 1)
static bool mousedown[MAX_MOUSEBUTTON] = {0};
typedef struct MousePressed
{
bool pressed;
uint64_t frame;
} MousePressed;
static MousePressed mousepressed[MAX_MOUSEBUTTON] = {0};
static EntityID maybe_inviting_this_player = {0};
bool confirm_invite_this_player = false;
bool accept_invite = false;
bool reject_invite = false;
static cpVect camera_pos = {0}; // it being a global variable keeps camera at same
// position after player death
static double player_scaling = 1.0;
static bool mouse_frozen = false; // @BeforeShip make this debug only thing
static double funval =
0.0; // easy to play with value controlled by left mouse button when held
// down @BeforeShip remove on release builds
static Queue input_queue = {0};
char input_queue_data[QUEUE_SIZE_FOR_ELEMENTS(sizeof(InputFrame), LOCAL_INPUT_QUEUE_MAX)] = {0};
static ENetHost *client;
static ENetPeer *peer;
static double zoom_target = 300.0;
static double zoom = 300.0;
static enum Squad take_over_squad = (enum Squad) - 1; // -1 means not taking over any squad
2 years ago
// images
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;
2 years ago
static sg_image image_medbay_used;
static sg_image image_mystery;
static sg_image image_explosion;
static sg_image image_low_health;
static sg_image image_mic_muted;
static sg_image image_mic_unmuted;
2 years ago
static sg_image image_flag_available;
static sg_image image_flag_taken;
static sg_image image_squad_invite;
static sg_image image_check;
static sg_image image_no;
static sg_image image_solarpanel_charging;
static sg_image image_scanner_head;
static sg_image image_itemswitch;
static sg_image image_cloaking_panel;
static sg_image image_missile;
static sg_image image_missile_burning;
2 years ago
static enum BoxType toolbar[TOOLBAR_SLOTS] = {
BoxHullpiece,
BoxThruster,
BoxBattery,
BoxCockpit,
BoxMedbay,
BoxSolarPanel,
BoxScanner,
};
static int cur_toolbar_slot = 0;
static int cur_editing_rotation = Right;
// audio
static bool muted = false;
static ma_device microphone_device;
static ma_device speaker_device;
OpusEncoder *enc;
OpusDecoder *dec;
Queue packets_to_send = {0};
char packets_to_send_data[QUEUE_SIZE_FOR_ELEMENTS(sizeof(OpusPacket),
VOIP_PACKET_BUFFER_SIZE)];
Queue packets_to_play = {0};
char packets_to_play_data[QUEUE_SIZE_FOR_ELEMENTS(sizeof(OpusPacket),
VOIP_PACKET_BUFFER_SIZE)];
ma_mutex send_packets_mutex = {0};
ma_mutex play_packets_mutex = {0};
// server thread
void *server_thread_handle = 0;
ServerThreadInfo server_info = {0};
2 years ago
static struct BoxInfo
{
enum BoxType type;
const char *image_path;
sg_image image;
} 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",
},
{
.type = BoxScanner,
.image_path = "loaded/scanner_base.png",
},
{
.type = BoxGyroscope,
.image_path = "loaded/gyroscope.png",
},
{
.type = BoxCloaking,
.image_path = "loaded/cloaking_device.png",
},
{
.type = BoxMissileLauncher,
.image_path = "loaded/missile_launcher.png",
},
2 years ago
{
.type = BoxMerge,
.image_path = "loaded/merge.png",
},
};
#define ENTITIES_ITER(cur) \
for (Entity *cur = gs.entities; cur < gs.entities + gs.cur_next_entity; \
cur++) \
if (cur->exists)
// suppress compiler warning about ^^ above used in floating point context
#define ARRLENF(arr) ((float)sizeof(arr) / sizeof(*arr))
2 years ago
static struct SquadMeta
{
enum Squad squad;
double hue;
bool is_colorless;
2 years ago
} squad_metas[] = {
{
.squad = SquadNone,
.is_colorless = true,
},
{
.squad = SquadRed,
.hue = 21.0 / 360.0,
},
{
.squad = SquadGreen,
.hue = 111.0 / 360.0,
},
{
.squad = SquadBlue,
.hue = 201.0 / 360.0,
},
{
.squad = SquadPurple,
.hue = 291.0 / 360.0,
},
2 years ago
};
struct SquadMeta squad_meta(enum Squad squad)
{
for (int i = 0; i < ARRLEN(squad_metas); i++)
{
if (squad_metas[i].squad == squad)
return squad_metas[i];
}
Log("Could not find squad %d!\n", squad);
return (struct SquadMeta){0};
2 years ago
}
static enum BoxType currently_building()
{
flight_assert(cur_toolbar_slot >= 0);
flight_assert(cur_toolbar_slot < TOOLBAR_SLOTS);
return toolbar[cur_toolbar_slot];
}
struct BoxInfo boxinfo(enum BoxType type)
{
for (int i = 0; i < ARRLEN(boxes); 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)
{
2 years ago
Log("Failed to load %s image: %s\n", path, stbi_failure_reason());
quit_with_popup("Couldn't load an image", "Failed to load image");
}
sg_init_image(to_return,
&(sg_image_desc){.width = x,
.height = y,
.pixel_format = SG_PIXELFORMAT_RGBA8,
.min_filter = SG_FILTER_LINEAR,
.mag_filter = SG_FILTER_LINEAR,
.wrap_u = SG_WRAP_CLAMP_TO_EDGE,
.data.subimage[0][0] = {
.ptr = image_data,
.size = (size_t)(x * y * desired_channels),
}});
stbi_image_free(image_data);
return to_return;
}
void microphone_data_callback(ma_device *pDevice, void *pOutput,
const void *pInput, ma_uint32 frameCount)
{
flight_assert(frameCount == VOIP_EXPECTED_FRAME_COUNT);
#if 0 // print audio data
Log("Mic data: ");
for (ma_uint32 i = 0; i < VOIP_EXPECTED_FRAME_COUNT; i++)
{
printf("%d ", ((const opus_int16 *)pInput)[i]);
}
printf("\n");
#endif
if (peer != NULL)
{
ma_mutex_lock(&send_packets_mutex);
OpusPacket *packet = queue_push_element(&packets_to_send);
if (packet == NULL)
{
queue_clear(&packets_to_send);
packet = queue_push_element(&packets_to_send);
}
flight_assert(packet != NULL);
{
opus_int16 muted_audio[VOIP_EXPECTED_FRAME_COUNT] = {0};
const opus_int16 *audio_buffer = (const opus_int16 *)pInput;
if (muted)
audio_buffer = muted_audio;
opus_int32 written =
opus_encode(enc, audio_buffer, VOIP_EXPECTED_FRAME_COUNT,
packet->data, VOIP_PACKET_MAX_SIZE);
packet->length = written;
}
ma_mutex_unlock(&send_packets_mutex);
}
(void)pOutput;
}
void speaker_data_callback(ma_device *pDevice, void *pOutput,
const void *pInput, ma_uint32 frameCount)
{
flight_assert(frameCount == VOIP_EXPECTED_FRAME_COUNT);
ma_mutex_lock(&play_packets_mutex);
OpusPacket *cur_packet = (OpusPacket *)queue_pop_element(&packets_to_play);
if (cur_packet != NULL)
{
opus_decode(dec, cur_packet->data, cur_packet->length,
(opus_int16 *)pOutput, frameCount, 0);
}
else
{
opus_decode(dec, NULL, 0, (opus_int16 *)pOutput, frameCount,
0); // I think opus makes it sound good if packets are skipped
// with null
}
ma_mutex_unlock(&play_packets_mutex);
(void)pInput;
}
static Player *myplayer()
{
if (my_player_index == -1)
return NULL;
return &gs.players[my_player_index];
}
static Entity *myentity()
{
if (myplayer() == NULL)
return NULL;
Entity *to_return = get_entity(&gs, myplayer()->entity);
if (to_return != NULL)
flight_assert(to_return->is_player);
return to_return;
}
void recalculate_camera_pos()
{
if (myentity() != NULL)
{
camera_pos = entity_pos(myentity());
}
}
// drawing
#define WHITE \
(Color) \
{ \
.r = 1.0f, .g = 1.0f, .b = 1.0f, .a = 1.0f \
}
#define RED \
(Color) \
{ \
.r = 1.0f, .g = 0.0f, .b = 0.0f, .a = 1.0f \
}
#define BLUE \
(Color) \
{ \
.r = 0.0f, .g = 0.0f, .b = 1.0f, .a = 1.0f \
}
#define GOLD colhex(255, 215, 0)
typedef struct Color
{
float r, g, b, a;
} Color;
static Color colhex(int r, int g, int b)
{
return (Color){
.r = (float)r / 255.0f,
.g = (float)g / 255.0f,
.b = (float)b / 255.0f,
.a = 1.0f,
};
}
static Color colhexcode(int hexcode)
{
// 0x020509;
int r = (hexcode >> 16) & 0xFF;
int g = (hexcode >> 8) & 0xFF;
int b = (hexcode >> 0) & 0xFF;
return colhex(r, g, b);
}
static Color Collerp(Color a, Color b, double factor)
{
Color to_return = {0};
to_return.r = (float)lerp(a.r, b.r, factor);
to_return.g = (float)lerp(a.g, b.g, factor);
to_return.b = (float)lerp(a.b, b.b, factor);
to_return.a = (float)lerp(a.a, b.a, factor);
return to_return;
}
static void set_color(Color c)
{
sgp_set_color(c.r, c.g, c.b, c.a);
}
// sokol_gp uses floats, gameplay is in doubles. This is my destiny!
void set_color_values(double r, double g, double b, double a)
{
sgp_set_color((float)r, (float)g, (float)b, (float)a);
}
// @Robust make the transform stack actually use double precision logic, and
// fix the debug drawing after that as well
void translate(double x, double y)
{
sgp_translate((float)x, (float)y);
}
void rotate_at(double theta, double x, double y)
{
sgp_rotate_at((float)theta, (float)x, (float)y);
}
void scale_at(double sx, double sy, double x, double y)
{
sgp_scale_at((float)sx, (float)sy, (float)x, (float)y);
}
void draw_filled_rect(double x, double y, double w, double h)
{
sgp_draw_filled_rect((float)x, (float)y, (float)w, (float)h);
}
void draw_line(double ax, double ay, double bx, double by)
{
sgp_draw_line((float)ax, (float)ay, (float)bx, (float)by);
}
void draw_textured_rect(double x, double y, double w, double h)
{
sgp_draw_textured_rect((float)x, (float)y, (float)w, (float)h);
}
static void init(void)
{
fopen_s(&log_file, "astris_log.txt", "a");
Log("Another day, another game of astris!\n");
queue_init(&packets_to_play, sizeof(OpusPacket), packets_to_play_data,
ARRLEN(packets_to_play_data));
queue_init(&packets_to_send, sizeof(OpusPacket), packets_to_send_data,
ARRLEN(packets_to_send_data));
queue_init(&input_queue, sizeof(InputFrame), input_queue_data,
ARRLEN(input_queue_data));
// audio
{
// opus
{
int error;
enc = opus_encoder_create(VOIP_SAMPLE_RATE, 1, OPUS_APPLICATION_VOIP,
&error);
flight_assert(error == OPUS_OK);
dec = opus_decoder_create(VOIP_SAMPLE_RATE, 1, &error);
flight_assert(error == OPUS_OK);
}
ma_device_config microphone_config =
ma_device_config_init(ma_device_type_capture);
microphone_config.capture.format = ma_format_s16;
microphone_config.capture.channels = 1;
microphone_config.sampleRate = VOIP_SAMPLE_RATE;
microphone_config.dataCallback = microphone_data_callback;
ma_device_config speaker_config =
ma_device_config_init(ma_device_type_playback);
speaker_config.playback.format = ma_format_s16;
speaker_config.playback.channels = 1;
speaker_config.sampleRate = VOIP_SAMPLE_RATE;
speaker_config.dataCallback = speaker_data_callback;
ma_result result;
result = ma_device_init(NULL, &microphone_config, &microphone_device);
if (result != MA_SUCCESS)
{
quit_with_popup("Failed to initialize microphone\n", "Failed to initialize audio");
Log("Cap device fail\n");
return;
}
result = ma_device_init(NULL, &speaker_config, &speaker_device);
if (result != MA_SUCCESS)
{
ma_device_uninit(&microphone_device);
quit_with_popup("Failed to initialize speaker/headphones\n", "Failed to initialize audio");
Log("Failed to init speaker\n");
return;
}
flight_assert(ma_mutex_init(&send_packets_mutex) == MA_SUCCESS);
flight_assert(ma_mutex_init(&play_packets_mutex) == MA_SUCCESS);
result = ma_device_start(&microphone_device);
if (result != MA_SUCCESS)
{
ma_device_uninit(&microphone_device);
Log("Failed to start mic.\n");
quit_with_popup("Failed to start microphone device\n", "Failed to start audio");
return;
}
result = ma_device_start(&speaker_device);
if (result != MA_SUCCESS)
{
ma_device_uninit(&microphone_device);
ma_device_uninit(&speaker_device);
Log("Failed to start speaker\n");
quit_with_popup("Failed to start speaker device\n", "Failed to start audio");
return;
}
Log("Initialized audio\n");
}
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())
{
2 years ago
Log("Failed to create Sokol GFX context!\n");
quit_with_popup("Failed to start sokol gfx context, something is really boned", "Failed to start graphics");
}
sgp_desc sgpdesc = {0};
sgp_setup(&sgpdesc);
if (!sgp_is_valid())
{
2 years ago
Log("Failed to create Sokol GP context: %s\n", sgp_get_error_message(sgp_get_last_error()));
quit_with_popup("Failed to create Sokol GP context, something is really boned", "Failed to start graphics");
}
// initialize shaders
{
sgp_pipeline_desc pip_desc = {
.shader = *hueshift_program_shader_desc(sg_query_backend()),
.blend_mode = SGP_BLENDMODE_BLEND,
};
hueshift_pipeline = sgp_make_pipeline(&pip_desc);
if (sg_query_pipeline_state(hueshift_pipeline) != SG_RESOURCESTATE_VALID)
{
2 years ago
Log("Failed to make hueshift pipeline\n");
quit_with_popup("Failed to make hueshift pipeline", "Boned Hueshift Shader");
}
{
sgp_pipeline_desc pip_desc = {
.shader = *goodpixel_program_shader_desc(sg_query_backend()),
.blend_mode = SGP_BLENDMODE_BLEND,
};
goodpixel_pipeline = sgp_make_pipeline(&pip_desc);
if (sg_query_pipeline_state(goodpixel_pipeline) != SG_RESOURCESTATE_VALID)
{
2 years ago
Log("Failed to make goodpixel pipeline\n");
quit_with_popup("Couldn't make a shader! Uhhh ooooohhhhhh!!!", "Shader error BONED");
}
}
}
// images loading
{
for (int i = 0; i < ARRLEN(boxes); 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");
image_mic_muted = load_image("loaded/mic_muted.png");
image_mic_unmuted = load_image("loaded/mic_unmuted.png");
image_flag_available = load_image("loaded/flag_available.png");
image_flag_taken = load_image("loaded/flag_ripped.png");
image_squad_invite = load_image("loaded/squad_invite.png");
image_check = load_image("loaded/check.png");
image_no = load_image("loaded/no.png");
image_solarpanel_charging = load_image("loaded/solarpanel_charging.png");
image_scanner_head = load_image("loaded/scanner_head.png");
image_itemswitch = load_image("loaded/itemswitch.png");
image_cloaking_panel = load_image("loaded/cloaking_panel.png");
image_missile_burning = load_image("loaded/missile_burning.png");
image_missile = load_image("loaded/missile.png");
}
// socket initialization
{
if (enet_initialize() != 0)
{
2 years ago
Log("An error occurred while initializing ENet.\n");
quit_with_popup("Failed to initialize networking, enet error", "Networking Error");
}
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)
{
2 years ago
Log("An error occurred while trying to create an ENet client host.\n");
quit_with_popup("Failed to initialize the networking. Mama mia!", "Networking uh oh");
}
ENetAddress address;
ENetEvent event;
enet_address_set_host(&address, SERVER_ADDRESS);
Log("Connecting to %s:%d\n", SERVER_ADDRESS, SERVER_PORT);
address.port = SERVER_PORT;
peer = enet_host_connect(client, &address, 2, 0);
if (peer == NULL)
{
2 years ago
Log("No available peers for initiating an ENet connection.\n");
quit_with_popup("Failed to initialize the networking. Mama mia!", "Networking uh oh");
}
// 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);
2 years ago
Log("Failed to connect to server. It might be too full\n");
2 years ago
quit_with_popup("Failed to connect to server. Is your wifi down? It took too long. The server could also be too full. I unfortunately do not have information as to which issue it is at this time. It could also be that the server is down. I hate this networking library", "Connection Failure");
}
}
}
#define transform_scope DeferLoop(sgp_push_transform(), sgp_pop_transform())
static void set_pipeline_and_pull_color(sg_pipeline pip)
{
sgp_set_pipeline(pip);
sgp_set_uniform(&sgp_query_state()->color, sizeof(sgp_query_state()->color));
}
#define pipeline_scope(pipeline) DeferLoop(set_pipeline_and_pull_color(pipeline), sgp_reset_pipeline())
static void draw_color_rect_centered(cpVect center, double size)
{
double halfbox = size / 2.0;
draw_filled_rect(center.x - halfbox, center.y - halfbox, size, size);
}
static void draw_texture_rectangle_centered(cpVect center, cpVect width_height)
{
cpVect halfsize = cpvmult(width_height, 0.5);
draw_textured_rect(center.x - halfsize.x, center.y - halfsize.y, width_height.x, width_height.y);
}
static void draw_texture_centered(cpVect center, double size)
{
draw_texture_rectangle_centered(center, (cpVect){size, size});
}
sgp_point V2point(cpVect v)
{
return (sgp_point){.x = (float)v.x, .y = (float)v.y};
}
cpVect pointV2(sgp_point p)
{
return (cpVect){.x = p.x, .y = p.y};
}
static void draw_circle(cpVect point, double radius)
{
#define POINTS 64
sgp_line lines[POINTS];
for (int i = 0; i < POINTS; i++)
{
double progress = (float)i / (float)POINTS;
double next_progress = (float)(i + 1) / (float)POINTS;
lines[i].a = V2point((cpVect){.x = cos(progress * 2.0 * PI) * radius,
.y = sin(progress * 2.0 * PI) * radius});
lines[i].b = V2point((cpVect){.x = cos(next_progress * 2.0 * PI) * radius,
.y = sin(next_progress * 2.0 * PI) * radius});
lines[i].a = V2point(cpvadd(pointV2(lines[i].a), point));
lines[i].b = V2point(cpvadd(pointV2(lines[i].b), point));
}
sgp_draw_lines(lines, POINTS);
}
bool can_build(int i)
{
bool allow_building = true;
enum BoxType box_type = (enum BoxType)i;
allow_building = false;
if (myplayer() != NULL)
allow_building = box_unlocked(myplayer(), box_type);
return allow_building;
}
static void setup_hueshift(enum Squad squad)
{
struct SquadMeta meta = squad_meta(squad);
hueshift_uniforms_t uniform = {
.is_colorless = meta.is_colorless,
.target_hue = (float)meta.hue,
.alpha = sgp_get_color().a,
};
sgp_set_uniform(&uniform, sizeof(hueshift_uniforms_t));
}
static cpVect screen_to_world(double width, double height, cpVect screen)
{
cpVect world = screen;
world = cpvsub(world, (cpVect){.x = width / 2.0, .y = height / 2.0});
world.x /= zoom;
world.y /= -zoom;
world = cpvadd(world, camera_pos);
return world;
}
static cpVect world_to_screen(double width, double height, cpVect world)
{
cpVect screen = world;
screen = cpvsub(screen, camera_pos);
screen.x *= zoom;
screen.y *= -zoom;
screen = cpvadd(screen, (cpVect){.x = width / 2.0, .y = height / 2.0});
return screen;
}
static void ui(bool draw, double dt, double width, double height)
{
static double cur_opacity = 1.0;
cur_opacity = lerp(cur_opacity, myentity() != NULL ? 1.0 : 0.0, dt * 4.0);
if (cur_opacity <= 0.01)
{
return;
}
if (draw)
sgp_push_transform();
// draw pick new box type menu
static double pick_opacity = 0.0;
{
if (keypressed[SAPP_KEYCODE_ESCAPE].pressed)
picking_new_boxtype = false;
AABB pick_modal = (AABB){
.x = width * 0.25,
.y = height * 0.25,
.width = width * 0.5,
.height = height * 0.5,
};
pick_opacity = lerp(pick_opacity, picking_new_boxtype ? 1.0 : 0.0, dt * 7.0);
if (picking_new_boxtype)
{
if (build_pressed)
{
if (has_point(pick_modal, mouse_pos))
{
}
else
{
build_pressed = false;
picking_new_boxtype = false;
}
}
}
static double item_scaling[ARRLEN(boxes)] = {1.0};
{
double alpha = pick_opacity * 0.8;
if (draw)
{
set_color_values(0.4, 0.4, 0.4, alpha);
draw_filled_rect(pick_modal.x, pick_modal.y, pick_modal.width, pick_modal.height);
set_color_values(1.0, 1.0, 1.0, 1.0 * pick_opacity);
}
int boxes_per_row = (int)floor(pick_modal.width / 128.0);
boxes_per_row = boxes_per_row < 4 ? 4 : boxes_per_row;
double cell_width = pick_modal.width / (float)boxes_per_row;
double cell_height = cell_width;
double padding = 0.2 * cell_width;
int cur_row = 0;
int cur_column = 0;
for (int i = 0; i < ARRLEN(boxes); i++)
{
if (cur_column >= boxes_per_row)
{
cur_column = 0;
cur_row++;
}
double item_width = cell_width - padding * 2.0;
double item_height = cell_height - padding * 2.0;
item_width *= item_scaling[i];
item_height *= item_scaling[i];
double cell_y = pick_modal.y + (float)cur_row * cell_height;
double cell_x = pick_modal.x + (float)cur_column * cell_width;
double item_x = cell_x + (cell_width - item_width) / 2.0;
double item_y = cell_y + (cell_height - item_height) / 2.0;
bool item_being_hovered = has_point((AABB){
.x = item_x,
.y = item_y,
.width = item_width,
.height = item_height,
},
mouse_pos);
item_scaling[i] = lerp(item_scaling[i], item_being_hovered ? 1.3 : 1.0, dt * 4.0);
struct BoxInfo info = boxes[i];
if (item_being_hovered && build_pressed && picking_new_boxtype)
{
toolbar[cur_toolbar_slot] = info.type;
picking_new_boxtype = false;
build_pressed = false;
}
if (draw)
{
if (can_build(info.type))
{
sgp_set_image(0, info.image);
}
else
{
sgp_set_image(0, image_mystery);
}
transform_scope
{
scale_at(1.0, -1.0, item_x + item_width / 2.0, item_y + item_height / 2.0);
pipeline_scope(goodpixel_pipeline)
draw_textured_rect(item_x, item_y, item_width, item_height);
sgp_reset_image(0);
}
}
cur_column++;
}
}
}
// draw squad invite
static double invite_y = -200.0;
static enum Squad draw_as_squad = SquadNone;
static double yes_size = 50.0;
static double no_size = 50.0;
{
bool invited =
myentity() != NULL && myentity()->squad_invited_to != SquadNone;
double size = 200.0;
double x_center = 0.75 * width;
double x = x_center - size / 2.0;
// AABB box = (AABB){ .x = x, .y = invite_y, .width = size, .height = size
// };
double yes_x = x - size / 4.0;
double no_x = x + size / 4.0;
double buttons_y = invite_y + size / 2.0;
bool yes_hovered =
invited && cpvdist(mouse_pos, (cpVect){yes_x, buttons_y}) < yes_size / 2.0;
bool no_hovered =
invited && cpvdist(mouse_pos, (cpVect){no_x, buttons_y}) < no_size / 2.0;
yes_size = lerp(yes_size, yes_hovered ? 75.0 : 50.0, dt * 9.0);
no_size = lerp(no_size, no_hovered ? 75.0 : 50.0, dt * 9.0);
if (invited && build_pressed && yes_hovered)
{
accept_invite = true;
build_pressed = false;
}
if (invited && build_pressed && no_hovered)
{
reject_invite = true;
build_pressed = false;
}
if (draw)
{
invite_y = lerp(invite_y, invited ? 50.0 : -200.0, dt * 5.0);
if (invited)
draw_as_squad = myentity()->squad_invited_to;
transform_scope
{
pipeline_scope(hueshift_pipeline)
{
setup_hueshift(draw_as_squad);
scale_at(1.0, -1.0, x,
invite_y); // images upside down by default :(
sgp_set_image(0, image_squad_invite);
draw_texture_centered((cpVect){x, invite_y}, size);
sgp_reset_image(0);
}
}
// yes
transform_scope
{
set_color_values(1.0, 1.0, 1.0, 1.0);
scale_at(1.0, -1.0, yes_x, buttons_y);
sgp_set_image(0, image_check);
pipeline_scope(goodpixel_pipeline)
{
draw_texture_centered((cpVect){yes_x, buttons_y}, yes_size);
}
sgp_reset_image(0);
}
// no
transform_scope
{
set_color_values(1.0, 1.0, 1.0, 1.0);
scale_at(1.0, -1.0, no_x, buttons_y);
sgp_set_image(0, image_no);
pipeline_scope(goodpixel_pipeline)
{
draw_texture_centered((cpVect){no_x, buttons_y}, no_size);
}
sgp_reset_image(0);
}
}
}
// draw maybe inviting
{
Entity *inviting = get_entity(&gs, maybe_inviting_this_player);
if (inviting != NULL && myplayer() != NULL)
{
cpVect top_of_head = world_to_screen(
width, height,
cpvadd(entity_pos(inviting),
(cpVect){.y = player_scaling * PLAYER_SIZE.y / 2.0}));
cpVect pos = cpvadd(top_of_head, (cpVect){.y = -30.0});
cpVect to_mouse = cpvsub(mouse_pos,
world_to_screen(width, height, entity_pos(inviting)));
bool selecting_to_invite =
cpvdot(cpvnormalize(to_mouse), (cpVect){0.0, -1.0}) > 0.5 &&
cpvlength(to_mouse) > 15.0;
if (!mousedown[SAPP_MOUSEBUTTON_RIGHT])
{
if (selecting_to_invite)
confirm_invite_this_player = true;
}
if (draw)
transform_scope
{
const double size = 64.0;
if (selecting_to_invite)
{
set_color_values(0.5, 0.5, 0.5, 0.4);
draw_filled_rect(pos.x - size / 2.0, pos.y - size / 2.0, size,
size);
set_color_values(1.0, 1.0, 1.0, 1.0);
}
pipeline_scope(hueshift_pipeline)
{
setup_hueshift(myplayer()->squad);
scale_at(1.0, -1.0, pos.x,
pos.y); // images upside down by default :(
sgp_set_image(0, image_squad_invite);
draw_texture_centered(pos, size);
sgp_reset_image(0);
}
}
}
}
// draw flags
static cpVect flag_pos[SquadLast] = {0};
static double flag_rot[SquadLast] = {0};
static double flag_scaling_increase[SquadLast] = {0};
static bool choosing_flags = false;
const double flag_padding = 70.0;
const double center_panel_height = 200.0;
static double center_panel_width = 0.0;
const double target_center_panel_width = ((SquadLast) + 2) * flag_padding;
2 years ago
#define FLAG_ITER(i) for (int i = 0; i < SquadLast; i++)
{
FLAG_ITER(i)
{
cpVect target_pos = {0};
double target_rot = 0.0;
double flag_progress = (float)i / (float)(SquadLast - 1.0);
if (choosing_flags)
{
target_pos.x =
width / 2.0 + lerp(-center_panel_width / 2.0 + flag_padding,
center_panel_width / 2.0 - flag_padding,
flag_progress);
target_pos.y = height * 0.5;
target_rot = 0.0;
}
else
{
target_pos.x = 25.0;
target_pos.y = 200.0;
target_rot = lerp(-PI / 3.0, PI / 3.0, flag_progress) + PI / 2.0;
}
flag_pos[i] = cpvlerp(flag_pos[i], target_pos, dt * 5.0);
flag_rot[i] = lerp_angle(flag_rot[i], target_rot, dt * 5.0);
}
center_panel_width =
lerp(center_panel_width,
choosing_flags ? target_center_panel_width : 0.0, 6.0 * dt);
// center panel
{
AABB panel_rect = (AABB){
.x = width / 2.0 - center_panel_width / 2.0,
.y = height / 2.0 - center_panel_height / 2.0,
.width = center_panel_width,
.height = center_panel_height,
};
if (choosing_flags && build_pressed &&
!has_point(panel_rect, mouse_pos))
{
build_pressed = false;
choosing_flags = false;
}
if (draw)
{
set_color_values(0.7, 0.7, 0.7, 0.5);
draw_filled_rect(panel_rect.x, panel_rect.y, panel_rect.width,
panel_rect.height);
}
}
FLAG_ITER(i)
{
enum Squad this_squad = (enum Squad)i;
bool this_squad_available = true;
if (this_squad != SquadNone)
PLAYERS_ITER(gs.players, other_player)
{
if (other_player->squad == this_squad)
{
this_squad_available = false;
break;
}
}
double size = 128.0;
bool hovering =
cpvdist(mouse_pos, flag_pos[i]) < size * 0.25 && this_squad_available;
if (!choosing_flags && hovering && build_pressed)
{
choosing_flags = true;
build_pressed = false;
}
if (this_squad_available && choosing_flags && hovering && build_pressed)
{
take_over_squad = this_squad;
build_pressed = false;
}
flag_scaling_increase[i] =
lerp(flag_scaling_increase[i], hovering ? 0.2 : 0.0, dt * 9.0);
size *= 1.0 + flag_scaling_increase[i];
if (draw)
{
transform_scope
{
if (this_squad_available)
{
sgp_set_image(0, image_flag_available);
}
else
{
sgp_set_image(0, image_flag_taken);
}
pipeline_scope(hueshift_pipeline)
{
set_color(WHITE);
setup_hueshift(this_squad);
rotate_at(flag_rot[i], flag_pos[i].x, flag_pos[i].y);
scale_at(1.0, -1.0, flag_pos[i].x,
flag_pos[i].y); // images upside down by default :(
draw_texture_centered(flag_pos[i], size);
sgp_reset_image(0);
}
}
}
}
if (choosing_flags)
build_pressed = false; // no more inputs beyond flags when the flag
// choice modal is open
}
2 years ago
#undef FLAG_ITER
// draw spice bar
if (draw)
{
static double damage = 0.5;
if (myentity() != NULL)
{
damage = myentity()->damage;
}
set_color_values(0.5, 0.5, 0.5, cur_opacity);
double margin = width * 0.2;
double bar_width = width - margin * 2.0;
double y = height - 150.0;
draw_filled_rect(margin, y, bar_width, 30.0);
set_color_values(1.0, 1.0, 1.0, cur_opacity);
draw_filled_rect(margin, y, bar_width * (1.0 - damage), 30.0);
}
// draw muted
static double toggle_mute_opacity = 0.2;
const double size = 150.0;
AABB button = (AABB){
.x = width - size - 40.0,
.y = height - size - 40.0,
.width = size,
.height = size,
};
bool hovered = has_point(button, mouse_pos);
if (build_pressed && hovered)
{
muted = !muted;
build_pressed = false;
}
if (draw)
{
toggle_mute_opacity =
lerp(toggle_mute_opacity, hovered ? 1.0 : 0.2, 6.0 * dt);
set_color_values(1.0, 1.0, 1.0, toggle_mute_opacity);
if (muted)
sgp_set_image(0, image_mic_muted);
else
sgp_set_image(0, image_mic_unmuted);
transform_scope
{
scale_at(1.0, -1.0, button.x + button.width / 2.0,
button.y + button.height / 2.0);
draw_textured_rect(button.x, button.y, button.width, button.height);
sgp_reset_image(0);
}
}
// draw item toolbar
{
double itemframe_width =
(float)sg_query_image_info(image_itemframe).width * 2.0;
double itemframe_height =
(float)sg_query_image_info(image_itemframe).height * 2.0;
double total_width = itemframe_width * (float)TOOLBAR_SLOTS;
double item_width = itemframe_width * 0.75;
double item_height = itemframe_height * 0.75;
double item_offset_x = (itemframe_width - item_width) / 2.0;
double item_offset_y = (itemframe_height - item_height) / 2.0;
double x = width / 2.0 - total_width / 2.0;
double y = height - itemframe_height * 1.5;
for (int i = 0; i < TOOLBAR_SLOTS; i++)
{
// mouse over the item frame box
if (has_point(
(AABB){
.x = x,
.y = y,
.width = itemframe_width,
.height = itemframe_height,
},
mouse_pos) &&
build_pressed)
{
// "handle" mouse pressed
cur_toolbar_slot = i;
build_pressed = false;
}
// mouse over the item switch button
bool switch_hovered = false;
if (has_point(
(AABB){
.x = x,
.y = y - 20.0,
.width = itemframe_width,
.height = itemframe_height * 0.2,
},
mouse_pos))
{
switch_hovered = true;
}
if (switch_hovered && build_pressed)
{
picking_new_boxtype = true;
build_pressed = false;
}
if (draw)
{
set_color_values(1.0, 1.0, 1.0, cur_opacity);
bool is_current = cur_toolbar_slot == i;
static double switch_scaling = 1.0;
switch_scaling = lerp(switch_scaling, switch_hovered ? 1.8 : 1.2, dt * 3.0);
if (is_current)
{
sgp_set_image(0, image_itemframe_selected);
}
else
{
sgp_set_image(0, image_itemframe);
}
pipeline_scope(goodpixel_pipeline)
draw_textured_rect(x, y, itemframe_width, itemframe_height);
sgp_reset_image(0);
transform_scope
{
double item_x = x + item_offset_x;
double item_y = y + item_offset_y;
scale_at(1.0, -1.0, item_x + item_width / 2.0,
item_y + item_height / 2.0);
pipeline_scope(goodpixel_pipeline)
{
if (toolbar[i] != BoxInvalid)
{
struct BoxInfo info = boxinfo(toolbar[i]);
if (can_build(info.type))
sgp_set_image(0, info.image);
else
sgp_set_image(0, image_mystery);
draw_textured_rect(item_x, item_y, item_width, item_height);
sgp_reset_image(0);
}
if (is_current)
{
sgp_set_image(0, image_itemswitch);
double switch_item_width = item_width * switch_scaling;
double switch_item_height = item_height * switch_scaling;
item_x -= (switch_item_width - item_width) / 2.0;
item_y -= (switch_item_height - item_height) / 2.0;
draw_textured_rect(item_x, item_y + 20.0, switch_item_width, switch_item_height);
sgp_reset_image(0);
}
}
}
}
x += itemframe_width;
}
}
if (draw)
sgp_pop_transform();
}
// returns zero vector if no player
static cpVect my_player_pos()
{
if (myentity() != NULL)
{
return entity_pos(myentity());
}
else
{
return (cpVect){0};
}
}
static void draw_dots(cpVect camera_pos, double gap)
{
set_color_values(1.0, 1.0, 1.0, 1.0);
// const int num = 100;
// initial_x * gap = camera_pos.x - VISION_RADIUS
// initial_x = (camera_pos.x - VISION_RADIUS) / gap
// int initial_x = (int)floor((camera_pos.x - VISION_RADIUS) / gap);
// int final_x = (int)floor((camera_pos.x + VISION_RADIUS) / gap);
// -VISION_RADIUS < x * gap - camera_pos.x < VISION_RADIUS
// -VISION_RADIUS + camera_pos.x < x * gap < VISION_RADIUS + camera_pos.x
// (-VISION_RADIUS + camera_pos.x)/gap < x < (VISION_RADIUS + camera_pos.x)/gap
int initial_x = (int)floor((-VISION_RADIUS * 2 + camera_pos.x) / gap);
int final_x = (int)ceil((VISION_RADIUS * 2 + camera_pos.x) / gap);
int initial_y = (int)floor((-VISION_RADIUS * 2 + camera_pos.y) / gap);
int final_y = (int)ceil((VISION_RADIUS * 2 + camera_pos.y) / gap);
// initial_x = -num;
// final_x = num;
for (int x = initial_x; x < final_x; x++)
{
for (int y = initial_y; y < final_y; y++)
{
cpVect star = (cpVect){(float)x * gap, (float)y * gap};
star.x += hash11(star.x * 100.0 + star.y * 67.0) * gap;
star.y += hash11(star.y * 93.0 + star.x * 53.0) * gap;
if (cpvlengthsq(cpvsub(star, camera_pos)) > VISION_RADIUS * VISION_RADIUS)
continue;
sgp_draw_point((float)star.x, (float)star.y);
}
}
}
void apply_this_tick_of_input_to_player(uint64_t tick_to_search_for)
{
InputFrame *to_apply = NULL;
QUEUE_ITER(&input_queue, cur_header)
{
InputFrame *cur = (InputFrame *)cur_header->data;
if (cur->tick == tick(&gs))
{
to_apply = cur;
break;
}
}
if (to_apply != NULL && myplayer() != NULL)
{
myplayer()->input = *to_apply;
}
}
static cpVect get_global_hand_pos(cpVect world_mouse_pos, bool *hand_at_arms_length)
{
if (myentity() == NULL)
return (cpVect){0};
cpVect global_hand_pos = cpvsub(world_mouse_pos, entity_pos(myentity()));
double hand_len = cpvlength(global_hand_pos);
if (hand_len > MAX_HAND_REACH)
{
*hand_at_arms_length = true;
hand_len = MAX_HAND_REACH;
}
else
{
*hand_at_arms_length = false;
}
global_hand_pos = cpvmult(cpvnormalize(global_hand_pos), hand_len);
global_hand_pos = cpvadd(global_hand_pos, entity_pos(myentity()));
return global_hand_pos;
}
static void frame(void)
{
PROFILE_SCOPE("frame")
{
double width = (float)sapp_width(), height = (float)sapp_height();
double exec_time = sapp_frame_count() * sapp_frame_duration();
double dt = sapp_frame_duration();
// pressed input management
{
for (int i = 0; i < MAX_KEYDOWN; i++)
{
if (keypressed[i].frame < sapp_frame_count())
{
keypressed[i].pressed = false;
}
}
for (int i = 0; i < MAX_MOUSEBUTTON; i++)
{
if (mousepressed[i].frame < sapp_frame_count())
{
mousepressed[i].pressed = false;
}
}
}
build_pressed = mousepressed[SAPP_MOUSEBUTTON_LEFT].pressed;
interact_pressed = mousepressed[SAPP_MOUSEBUTTON_RIGHT].pressed;
// networking
PROFILE_SCOPE("networking")
{
ENetEvent event;
uint64_t predicted_to_tick = tick(&gs); // modified on deserialization of game state
cpVect where_i_thought_id_be = my_player_pos();
bool applied_gamestate_packet = false;
while (true)
{
int enet_status = enet_host_service(client, &event, 0);
if (enet_status > 0)
{
switch (event.type)
{
case ENET_EVENT_TYPE_NONE:
{
Log("Wtf none event type?\n");
break;
}
case ENET_EVENT_TYPE_CONNECT:
{
Log("New client from host %x\n", event.peer->address.host);
break;
}
case ENET_EVENT_TYPE_RECEIVE:
{
unsigned char *decompressed = malloc(
sizeof *decompressed * MAX_SERVER_TO_CLIENT); // @Robust no malloc
size_t decompressed_max_len = MAX_SERVER_TO_CLIENT;
flight_assert(LZO1X_MEM_DECOMPRESS == 0);
ma_mutex_lock(&play_packets_mutex);
ServerToClient msg = (ServerToClient){
.cur_gs = &gs,
.audio_playback_buffer = &packets_to_play,
};
int return_value = lzo1x_decompress_safe(
event.packet->data, event.packet->dataLength, decompressed,
&decompressed_max_len, NULL);
if (return_value == LZO_E_OK)
{
PROFILE_SCOPE("Deserializing data")
{
server_to_client_deserialize(&msg, decompressed,
decompressed_max_len, false);
applied_gamestate_packet = true;
}
my_player_index = msg.your_player;
}
else
{
Log("Couldn't decompress gamestate packet, error code %d from "
"lzo\n",
return_value);
}
ma_mutex_unlock(&play_packets_mutex);
free(decompressed);
enet_packet_destroy(event.packet);
break;
}
case ENET_EVENT_TYPE_DISCONNECT:
{
2 years ago
Log("Disconnected from server\n");
quit_with_popup("Disconnected from server", "Disconnected");
break;
}
}
}
else if (enet_status == 0)
{
break;
}
else if (enet_status < 0)
{
2 years ago
Log("Error receiving enet events: %d\n", enet_status);
break;
}
}
// only repredict inputs on the most recent server authoritative packet
PROFILE_SCOPE("Repredicting inputs")
{
if (applied_gamestate_packet)
{
uint64_t server_current_tick = tick(&gs);
int ticks_should_repredict = (int)predicted_to_tick - (int)server_current_tick;
int healthy_num_ticks_ahead = (int)ceil((((double)peer->roundTripTime) / 1000.0) / TIMESTEP) + 6;
int ticks_to_repredict = ticks_should_repredict;
if (ticks_should_repredict < healthy_num_ticks_ahead - 1)
{
dilating_time_factor = 1.1;
}
else if (ticks_should_repredict > healthy_num_ticks_ahead + 1)
{
dilating_time_factor = 0.9;
}
else
{
dilating_time_factor = 1.0;
}
// snap in dire cases
if (healthy_num_ticks_ahead >= TICKS_BEHIND_DO_SNAP && ticks_should_repredict < healthy_num_ticks_ahead - TICKS_BEHIND_DO_SNAP)
{
Log("Snapping\n");
ticks_to_repredict = healthy_num_ticks_ahead;
}
uint64_t start_prediction_time = stm_now();
while (ticks_to_repredict > 0)
{
if (stm_ms(stm_diff(stm_now(), start_prediction_time)) > MAX_MS_SPENT_REPREDICTING)
{
Log("Reprediction took longer than %f milliseconds, needs to repredict %d more ticks\n", MAX_MS_SPENT_REPREDICTING, ticks_to_repredict);
break;
}
apply_this_tick_of_input_to_player(tick(&gs));
process(&gs, TIMESTEP);
ticks_to_repredict -= 1;
}
cpVect where_i_am = my_player_pos();
double reprediction_error = cpvdist(where_i_am, where_i_thought_id_be);
InputFrame *biggest_frame = (InputFrame *)queue_most_recent_element(&input_queue);
if (reprediction_error >= 0.1 && biggest_frame != NULL)
{
Log("Big reprediction error %llu\n", biggest_frame->tick);
}
}
}
}
// gameplay
ui(false, dt, width, height); // if ui button is pressed before game logic, set the pressed to
// false so it doesn't propagate from the UI modal/button
struct BuildPreviewInfo
{
cpVect grid_pos;
double grid_rotation;
} build_preview = {0};
cpVect global_hand_pos = {0}; // world coords! world star!
bool hand_at_arms_length = false;
recalculate_camera_pos();
cpVect world_mouse_pos = screen_to_world(width, height, mouse_pos);
PROFILE_SCOPE("gameplay and prediction")
{
// interpolate zoom
zoom = lerp(zoom, zoom_target, dt * 12.0);
// calculate build preview stuff
cpVect local_hand_pos = {0};
global_hand_pos =
get_global_hand_pos(world_mouse_pos, &hand_at_arms_length);
if (myentity() != NULL)
{
local_hand_pos = cpvsub(global_hand_pos, entity_pos(myentity()));
}
// process player interaction (squad invites)
if (interact_pressed && myplayer() != NULL && myplayer()->squad != SquadNone)
ENTITIES_ITER(cur)
{
if (cur != myentity() && cur->is_player &&
has_point(centered_at(entity_pos(cur), cpvmult(PLAYER_SIZE, player_scaling)), world_mouse_pos))
{
maybe_inviting_this_player = get_id(&gs, cur);
interact_pressed = false;
}
}
// Create and send input packet, and predict a frame of gamestate
static InputFrame cur_input_frame = {
2 years ago
0
}; // keep across frames for high refresh rate screens
static size_t last_input_committed_tick = 0;
{
// prepare the current input frame, such that when processed next,
// every button/action the player has pressed will be handled
// without frustration by the server. Resulting in authoritative game
// state that looks and feels good.
cpVect input = (cpVect){
.x = (float)keydown[SAPP_KEYCODE_D] - (float)keydown[SAPP_KEYCODE_A],
.y = (float)keydown[SAPP_KEYCODE_W] - (float)keydown[SAPP_KEYCODE_S],
};
if (cpvlength(input) > 0.0)
input = cpvnormalize(input);
cur_input_frame.movement = input;
cur_input_frame.rotation = (float)keydown[SAPP_KEYCODE_E] - (float)keydown[SAPP_KEYCODE_Q];
if (interact_pressed)
cur_input_frame.seat_action = interact_pressed;
cur_input_frame.hand_pos = local_hand_pos;
if (take_over_squad >= 0)
{
cur_input_frame.take_over_squad = take_over_squad;
take_over_squad = -1;
}
if (confirm_invite_this_player)
{
cur_input_frame.invite_this_player = maybe_inviting_this_player;
maybe_inviting_this_player = (EntityID){0};
confirm_invite_this_player = false;
}
if (accept_invite)
{
cur_input_frame.accept_cur_squad_invite = true;
accept_invite = false;
}
if (reject_invite)
{
cur_input_frame.reject_cur_squad_invite = true;
reject_invite = false;
}
if (build_pressed && currently_building() != BoxInvalid)
{
cur_input_frame.dobuild = build_pressed;
cur_input_frame.build_type = currently_building();
cur_input_frame.build_rotation = cur_editing_rotation;
}
// in client side prediction, only process the latest input in the queue, not
// the one currently constructing.
time_to_process += dt * dilating_time_factor;
cpVect before = my_player_pos();
do
{
// "commit" the input. each input must be on a successive tick.
if (tick(&gs) > last_input_committed_tick)
{
cur_input_frame.tick = tick(&gs);
last_input_committed_tick = tick(&gs);
InputFrame *to_push_to = queue_push_element(&input_queue);
if (to_push_to == NULL)
{
InputFrame *to_discard = queue_pop_element(&input_queue);
(void)to_discard;
to_push_to = queue_push_element(&input_queue);
flight_assert(to_push_to != NULL);
}
*to_push_to = cur_input_frame;
if (myplayer() != NULL)
myplayer()->input =
cur_input_frame; // for the client side prediction!
cur_input_frame = (InputFrame){0};
cur_input_frame.take_over_squad = -1; // @Robust make this zero initialized
}
if (time_to_process >= TIMESTEP)
{
uint64_t tick_to_predict = tick(&gs);
apply_this_tick_of_input_to_player(tick_to_predict);
process(&gs, TIMESTEP);
time_to_process -= TIMESTEP;
}
} while (time_to_process >= TIMESTEP);
cpVect after = my_player_pos();
// use theses variables to suss out reprediction errors, enables you to
// breakpoint on when they happen
(void)before;
(void)after;
static int64_t last_sent_input_time = 0;
if (stm_sec(stm_diff(stm_now(), last_sent_input_time)) >
TIME_BETWEEN_INPUT_PACKETS)
{
ma_mutex_lock(&send_packets_mutex);
ClientToServer to_send = {
.mic_data = &packets_to_send,
.input_data = &input_queue,
};
unsigned char serialized[MAX_CLIENT_TO_SERVER] = {0};
size_t out_len = 0;
if (client_to_server_serialize(&gs, &to_send, serialized, &out_len,
MAX_CLIENT_TO_SERVER))
{
unsigned char compressed[MAX_CLIENT_TO_SERVER] = {0};
char lzo_working_mem[LZO1X_1_MEM_COMPRESS] = {0};
size_t compressed_len = 0;
lzo1x_1_compress(serialized, out_len, compressed, &compressed_len,
(void *)lzo_working_mem);
ENetPacket *packet =
enet_packet_create((void *)compressed, compressed_len,
ENET_PACKET_FLAG_UNRELIABLE_FRAGMENT);
enet_peer_send(peer, 0, packet); // @Robust error check this
last_sent_input_time = stm_now();
}
else
{
Log("Failed to serialize client to server!\n");
}
ma_mutex_unlock(&send_packets_mutex);
}
}
// calculate world position and camera
recalculate_camera_pos();
world_mouse_pos = screen_to_world(width, height, mouse_pos);
global_hand_pos =
get_global_hand_pos(world_mouse_pos, &hand_at_arms_length);
Entity *placing_grid = box_grid(closest_box_to_point_in_radius(
&gs, global_hand_pos, BUILD_BOX_SNAP_DIST_TO_SHIP, NULL));
if (placing_grid == NULL)
{
build_preview = (struct BuildPreviewInfo){
.grid_pos = global_hand_pos,
.grid_rotation = 0.0,
};
}
else
{
global_hand_pos = grid_snapped_box_pos(placing_grid, global_hand_pos);
build_preview = (struct BuildPreviewInfo){
.grid_pos = entity_pos(placing_grid),
.grid_rotation = entity_rotation(placing_grid),
};
}
}
// drawing
PROFILE_SCOPE("drawing")
{
sgp_begin((int)width, (int)height);
sgp_viewport(0, 0, (int)width, (int)height);
sgp_project(0.0f, (float)width, 0.0f, (float)height);
sgp_set_blend_mode(SGP_BLENDMODE_BLEND);
// Draw background color
set_color(colhexcode(0x000000));
// set_color_values(0.1, 0.1, 0.1, 1.0);
sgp_clear();
// WORLD SPACE
// world space coordinates are +Y up, -Y down. Like normal cartesian coords
transform_scope
{
translate(width / 2, height / 2);
scale_at(zoom, -zoom, 0.0, 0.0);
// parllax layers, just the zooming, but not 100% of the camera panning
#if 1 // space background
transform_scope
{
cpVect scaled_camera_pos = cpvmult(
camera_pos, 0.0005); // this is how strong/weak the parallax is
translate(-scaled_camera_pos.x, -scaled_camera_pos.y);
set_color(WHITE);
sgp_set_image(0, image_stars);
double stars_height_over_width =
(float)sg_query_image_info(image_stars).height /
(float)sg_query_image_info(image_stars).width;
const double stars_width = 35.0;
double stars_height = stars_width * stars_height_over_width;
pipeline_scope(goodpixel_pipeline)
draw_textured_rect(-stars_width / 2.0, -stars_height / 2.0, stars_width, stars_height);
// draw_textured_rect(0, 0, stars_width, stars_height);
sgp_reset_image(0);
}
transform_scope
{
cpVect scaled_camera_pos = cpvmult(
camera_pos, 0.005); // this is how strong/weak the parallax is
translate(-scaled_camera_pos.x, -scaled_camera_pos.y);
set_color(WHITE);
sgp_set_image(0, image_stars2);
double stars_height_over_width =
(float)sg_query_image_info(image_stars).height /
(float)sg_query_image_info(image_stars).width;
const double stars_width = 35.0;
double stars_height = stars_width * stars_height_over_width;
pipeline_scope(goodpixel_pipeline)
draw_textured_rect(-stars_width / 2.0, -stars_height / 2.0, stars_width, stars_height);
// draw_textured_rect(0, 0, stars_width, stars_height);
sgp_reset_image(0);
}
#endif
#if 1 // parallaxed dots
transform_scope
{
cpVect scaled_camera_pos = cpvmult(camera_pos, 0.25);
translate(-scaled_camera_pos.x, -scaled_camera_pos.y);
set_color(WHITE);
draw_dots(scaled_camera_pos, 3.0);
}
transform_scope
{
cpVect scaled_camera_pos = cpvmult(camera_pos, 0.5);
translate(-scaled_camera_pos.x, -scaled_camera_pos.y);
set_color(WHITE);
draw_dots(scaled_camera_pos, 2.0);
}
#endif
// camera go to player
translate(-camera_pos.x, -camera_pos.y);
draw_dots(camera_pos, 1.5); // in plane dots
// hand reached limit circle
if (myentity() != NULL)
{
static double hand_reach_alpha = 1.0;
hand_reach_alpha = lerp(hand_reach_alpha,
hand_at_arms_length ? 1.0 : 0.0, dt * 5.0);
set_color_values(1.0, 1.0, 1.0, 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);
}
// mouse frozen, debugging tool
if (mouse_frozen)
{
set_color_values(1.0, 0.0, 0.0, 0.5);
draw_filled_rect(world_mouse_pos.x, world_mouse_pos.y, 0.1, 0.1);
}
// building preview
if (currently_building() != BoxInvalid && can_build(currently_building()))
{
set_color_values(0.5, 0.5, 0.5,
(sin((float)exec_time * 9.0) + 1.0) / 3.0 + 0.2);
transform_scope
{
sgp_set_image(0, boxinfo(currently_building()).image);
rotate_at(build_preview.grid_rotation +
rotangle(cur_editing_rotation),
global_hand_pos.x, global_hand_pos.y);
pipeline_scope(goodpixel_pipeline)
draw_texture_centered(global_hand_pos, BOX_SIZE);
// drawbox(hand_pos, build_preview.grid_rotation, 0.0,
// cur_editing_boxtype, cur_editing_rotation);
sgp_reset_image(0);
}
}
player_scaling =
lerp(player_scaling, zoom < 6.5 ? 100.0 : 1.0, dt * 7.0);
ENTITIES_ITER(e)
{
// draw grid
if (e->is_grid)
{
Entity *g = e;
BOXES_ITER(&gs, b, g)
{
set_color_values(1.0, 1.0, 1.0, 1.0);
if (b->box_type == BoxBattery)
{
double 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);
set_color_values(result.r, result.g, result.b, cur_alpha);
}
transform_scope
{
rotate_at(entity_rotation(g) + rotangle(b->compass_rotation),
entity_pos(b).x, entity_pos(b).y);
if (b->box_type == BoxThruster)
{
transform_scope
{
set_color_values(1.0, 1.0, 1.0, 1.0);
sgp_set_image(0, image_thrusterburn);
double scaling = 0.95 + lerp(0.0, 0.3, b->thrust);
scale_at(scaling, 1.0, entity_pos(b).x, entity_pos(b).y);
pipeline_scope(goodpixel_pipeline)
{
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;
}
if (b->box_type == BoxSolarPanel)
{
sgp_set_image(0, image_solarpanel_charging);
set_color_values(1.0, 1.0, 1.0, b->sun_amount);
pipeline_scope(goodpixel_pipeline)
draw_texture_centered(entity_pos(b), BOX_SIZE);
sgp_reset_image(0);
set_color_values(1.0, 1.0, 1.0, 1.0 - b->sun_amount);
/* Color to_set = colhexcode(0xeb9834);
to_set.a = b->sun_amount * 0.5;
set_color(to_set);
draw_color_rect_centered(entity_pos(b), BOX_SIZE);
*/
}
sgp_set_image(0, img);
if (b->indestructible)
{
set_color_values(0.2, 0.2, 0.2, 1.0);
}
else if (b->is_platonic)
{
set_color(GOLD);
}
// all of these box types show team colors so are drawn with the hue shifting shader
// used with the player
if (b->box_type == BoxCloaking || b->box_type == BoxMissileLauncher)
{
pipeline_scope(hueshift_pipeline)
{
setup_hueshift(b->owning_squad);
draw_texture_centered(entity_pos(b), BOX_SIZE);
}
}
else
{
pipeline_scope(goodpixel_pipeline)
draw_texture_centered(entity_pos(b), BOX_SIZE);
}
sgp_reset_image(0);
if (b->box_type == BoxScanner)
{
sgp_set_image(0, image_scanner_head);
transform_scope
{
pipeline_scope(goodpixel_pipeline)
{
rotate_at(b->scanner_head_rotate, entity_pos(b).x, entity_pos(b).y);
draw_texture_centered(entity_pos(b), BOX_SIZE);
}
}
sgp_reset_image(0);
set_color(WHITE);
}
// scanner range, visualizes what scanner can scan
if (b->box_type == BoxScanner)
{
set_color(BLUE);
draw_circle(entity_pos(b), SCANNER_RADIUS);
set_color(WHITE);
}
set_color_values(0.5, 0.1, 0.1, b->damage);
draw_color_rect_centered(entity_pos(b), BOX_SIZE);
if (b->box_type == BoxCloaking)
{
set_color_values(1.0, 1.0, 1.0, b->cloaking_power);
sgp_set_image(0, image_cloaking_panel);
pipeline_scope(goodpixel_pipeline)
draw_texture_centered(entity_pos(b), CLOAKING_PANEL_SIZE);
sgp_reset_image(0);
}
}
// outside of the transform scope
if (b->box_type == BoxScanner)
{
if (b->platonic_detection_strength > 0.0)
{
set_color(colhexcode(0xf2d75c));
cpVect to = cpvadd(entity_pos(b), cpvmult(b->platonic_nearest_direction, b->platonic_detection_strength));
dbg_rect(to);
dbg_rect(entity_pos(b));
draw_line(entity_pos(b).x, entity_pos(b).y, to.x, to.y);
}
}
if (b->box_type == BoxMissileLauncher)
{
set_color(RED);
draw_circle(entity_pos(b), MISSILE_RANGE);
// draw the charging missile
transform_scope
{
rotate_at(missile_launcher_target(&gs, b).facing_angle, entity_pos(b).x, entity_pos(b).y);
sgp_set_image(0, image_missile);
pipeline_scope(hueshift_pipeline)
{
set_color_values(1.0, 1.0, 1.0, b->missile_construction_charge);
setup_hueshift(b->owning_squad);
draw_texture_centered(entity_pos(b), BOX_SIZE);
}
sgp_reset_image(0);
}
}
}
}
// draw missile
if (e->is_missile)
{
transform_scope
{
rotate_at(entity_rotation(e), entity_pos(e).x, entity_pos(e).y);
set_color_values(1.0, 1.0, 1.0, 1.0);
if (is_burning(e))
{
sgp_set_image(0, image_missile_burning);
}
else
{
sgp_set_image(0, image_missile);
}
pipeline_scope(hueshift_pipeline)
{
setup_hueshift(e->owning_squad);
draw_texture_rectangle_centered(entity_pos(e), MISSILE_SPRITE_SIZE);
}
sgp_reset_image(0);
}
}
// draw player
if (e->is_player &&
get_entity(&gs, e->currently_inside_of_box) == NULL)
{
transform_scope
{
rotate_at(entity_rotation(e), entity_pos(e).x, entity_pos(e).y);
set_color_values(1.0, 1.0, 1.0, 1.0);
pipeline_scope(hueshift_pipeline)
{
setup_hueshift(e->owning_squad);
sgp_set_image(0, image_player);
draw_texture_rectangle_centered(
entity_pos(e), cpvmult(PLAYER_SIZE, player_scaling));
sgp_reset_image(0);
}
}
}
if (e->is_explosion)
{
sgp_set_image(0, image_explosion);
set_color_values(1.0, 1.0, 1.0,
1.0 - (e->explosion_progress / EXPLOSION_TIME));
draw_texture_centered(e->explosion_pos, e->explosion_radius * 2.0);
sgp_reset_image(0);
}
}
// gold target
set_color(GOLD);
draw_filled_rect(gs.goldpos.x, gs.goldpos.y, 0.1, 0.1);
// instant death
set_color(RED);
draw_circle((cpVect){0}, INSTANT_DEATH_DISTANCE_FROM_CENTER);
// the SUN
SUNS_ITER(&gs)
{
transform_scope
{
translate(entity_pos(i.sun).x, entity_pos(i.sun).y);
set_color(WHITE);
sgp_set_image(0, image_sun);
draw_texture_centered((cpVect){0}, i.sun->sun_radius * 2.0);
sgp_reset_image(0);
// can draw at 0,0 because everything relative to sun now!
// sun DEATH RADIUS
set_color(BLUE);
draw_circle((cpVect){0}, sun_dist_no_gravity(i.sun));
}
}
set_color_values(1.0, 1.0, 1.0, 1.0);
dbg_drawall();
} // world space transform end
// low health
if (myentity() != NULL)
{
set_color_values(1.0, 1.0, 1.0, myentity()->damage);
sgp_set_image(0, image_low_health);
draw_texture_rectangle_centered((cpVect){width / 2.0, height / 2.0},
(cpVect){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)
{
fclose(log_file);
sg_destroy_pipeline(hueshift_pipeline);
2 years ago
ma_mutex_lock(&server_info.info_mutex);
server_info.should_quit = true;
ma_mutex_unlock(&server_info.info_mutex);
WaitForSingleObject(server_thread_handle, INFINITE);
end_profiling_mythread();
end_profiling();
ma_mutex_uninit(&send_packets_mutex);
ma_mutex_uninit(&play_packets_mutex);
ma_device_uninit(&microphone_device);
ma_device_uninit(&speaker_device);
opus_encoder_destroy(enc);
opus_decoder_destroy(dec);
destroy(&gs);
free(gs.entities);
sgp_shutdown();
sg_shutdown();
enet_deinitialize();
ma_mutex_uninit(&server_info.info_mutex);
}
void event(const sapp_event *e)
{
switch (e->type)
{
case SAPP_EVENTTYPE_KEY_DOWN:
2 years ago
#ifdef DEBUG_TOOLS
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)
{
fullscreened = !fullscreened;
sapp_toggle_fullscreen();
}
if (e->key_code == SAPP_KEYCODE_ESCAPE && fullscreened)
{
sapp_toggle_fullscreen();
fullscreened = false;
}
int key_num = e->key_code - SAPP_KEYCODE_0;
int target_slot = key_num - 1;
if (target_slot <= TOOLBAR_SLOTS && target_slot >= 0)
{
if (target_slot == cur_toolbar_slot)
{
picking_new_boxtype = !picking_new_boxtype;
}
else
{
picking_new_boxtype = false;
}
cur_toolbar_slot = target_slot;
}
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 *= 1.0 + (e->scroll_y / 4.0) * 0.1;
zoom_target = clamp(zoom_target, ZOOM_MIN, ZOOM_MAX);
break;
case SAPP_EVENTTYPE_MOUSE_DOWN:
mousedown[e->mouse_button] = true;
if (mousepressed[e->mouse_button].frame == 0)
{
mousepressed[e->mouse_button].pressed = true;
mousepressed[e->mouse_button].frame = e->frame_count;
}
break;
case SAPP_EVENTTYPE_MOUSE_UP:
mousedown[e->mouse_button] = false;
mousepressed[e->mouse_button].pressed = false;
mousepressed[e->mouse_button].frame = 0;
break;
case SAPP_EVENTTYPE_MOUSE_MOVE:
if (!mouse_frozen)
{
mouse_pos = (cpVect){.x = e->mouse_x, .y = e->mouse_y};
}
if (right_mouse_down)
{
funval += e->mouse_dx;
Log("Funval %f\n", funval);
}
break;
default:
{
}
}
}
sapp_desc sokol_main(int argc, char *argv[])
{
bool hosting = false;
stm_setup();
ma_mutex_init(&server_info.info_mutex);
server_info.world_save = "debug_world.bin";
init_profiling("astris.spall");
init_profiling_mythread(0);
if (argc > 1)
{
server_thread_handle =
(void *)_beginthread(server, 0, (void *)&server_info);
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
};
}