@ -16,7 +16,7 @@
static struct GameState gs = { 0 } ; static struct GameState gs = { 0 } ;
static int myplayer = - 1 ; static int myplayer = - 1 ;
static bool = false ; static bool right_ mouse_down = false ;
static bool keydown [ SAPP_KEYCODE_MENU ] = { 0 } ; static bool keydown [ SAPP_KEYCODE_MENU ] = { 0 } ;
typedef struct KeyPressed typedef struct KeyPressed
{ {
@ -25,6 +25,8 @@ typedef struct KeyPressed
} KeyPressed ; } KeyPressed ;
static KeyPressed keypressed [ SAPP_KEYCODE_MENU ] = { 0 } ; static KeyPressed keypressed [ SAPP_KEYCODE_MENU ] = { 0 } ;
static V2 mouse_pos = { 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 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 float funval = 0.0f ; // easy to play with value controlled by left mouse button when held down @BeforeShip remove on release builds
static ENetHost * client ; static ENetHost * client ;
@ -134,6 +136,8 @@ static void frame(void)
float time = sapp_frame_count ( ) * sapp_frame_duration ( ) ;
float time = sapp_frame_count ( ) * sapp_frame_duration ( ) ;
float dt = sapp_frame_duration ( ) ;
float dt = sapp_frame_duration ( ) ;
// pressed input management
{
for ( int i = 0 ; i < SAPP_KEYCODE_MENU ; i + + )
for ( int i = 0 ; i < SAPP_KEYCODE_MENU ; i + + )
{
{
if ( keypressed [ i ] . frame < sapp_frame_count ( ) )
if ( keypressed [ i ] . frame < sapp_frame_count ( ) )
@ -141,6 +145,11 @@ static void frame(void)
keypressed [ i ] . pressed = false ;
keypressed [ i ] . pressed = false ;
}
}
}
}
if ( mouse_pressed_frame < sapp_frame_count ( ) )
{
mouse_pressed = false ;
}
}
// networking
// networking
{
{
@ -189,6 +198,59 @@ static void frame(void)
// gameplay
// gameplay
V2 build_target_pos = { 0 } ;
V2 build_target_pos = { 0 } ;
float build_target_rotation = 0.0f ;
float build_target_rotation = 0.0f ;
V2 camera_pos = { 0 } ;
V2 world_mouse_pos = mouse_pos ;
float zoom = 300.0f + funval ;
struct BuildPreviewInfo
{
V2 grid_pos ;
float grid_rotation ;
V2 pos ;
} build_preview = { 0 } ;
{
// calculate world position and camera
{
if ( myplayer ! = - 1 )
{
camera_pos = gs . players [ myplayer ] . pos ;
}
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
int grid_index = - 1 ;
{
struct Grid * placing_grid = closest_to_point_in_radius ( & gs , world_mouse_pos , 0.35f ) ;
if ( placing_grid = = NULL )
{
build_preview = ( struct BuildPreviewInfo ) {
. grid_pos = world_mouse_pos ,
. grid_rotation = 0.0f ,
. pos = world_mouse_pos ,
} ;
}
else
{
for ( int i = 0 ; i < MAX_GRIDS ; i + + )
{
if ( & gs . grids [ i ] = = placing_grid )
{
grid_index = i ;
break ;
}
}
V2 pos = grid_snapped_box_pos ( placing_grid , world_mouse_pos ) ;
build_preview = ( struct BuildPreviewInfo ) {
. grid_pos = grid_pos ( placing_grid ) ,
. grid_rotation = grid_rotation ( placing_grid ) ,
. pos = pos } ;
}
}
// Create and send input packet
{
{
// @Robust accumulate total time and send input at rate like 20 hz, not every frame
// @Robust accumulate total time and send input at rate like 20 hz, not every frame
struct ClientToServer curmsg = { 0 } ;
struct ClientToServer curmsg = { 0 } ;
@ -198,10 +260,14 @@ static void frame(void)
} ;
} ;
curmsg . movement = input ;
curmsg . movement = input ;
curmsg . inhabit = keypressed [ SAPP_KEYCODE_G ] . pressed ;
curmsg . inhabit = keypressed [ SAPP_KEYCODE_G ] . pressed ;
curmsg . build = build_preview . pos ;
curmsg . dobuild = mouse_pressed ;
curmsg . grid_index = grid_index ;
// @BeforeShip figure out why tf the possess ship key is so unreliable
// @BeforeShip figure out why tf the possess ship key is so unreliable
ENetPacket * packet = enet_packet_create ( ( void * ) & curmsg , sizeof ( curmsg ) , ENET_PACKET_FLAG_UNRELIABLE_FRAGMENT ) ;
ENetPacket * packet = enet_packet_create ( ( void * ) & curmsg , sizeof ( curmsg ) , ENET_PACKET_FLAG_UNRELIABLE_FRAGMENT ) ;
enet_peer_send ( peer , 0 , packet ) ;
enet_peer_send ( peer , 0 , packet ) ;
}
// @BeforeShip client side prediction and rollback to previous server authoritative state, then replay inputs
// @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!
// 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!
@ -220,21 +286,13 @@ static void frame(void)
sgp_clear ( ) ;
sgp_clear ( ) ;
// sokol drawing library draw in world space
// sokol drawing library draw in world space
V2 world_mouse_pos = mouse_pos ;
{
{
float zoom = 300.0f + funval ;
sgp_translate ( width / 2 , height / 2 ) ;
sgp_translate ( width / 2 , height / 2 ) ;
world_mouse_pos = V2sub ( world_mouse_pos , ( V2 ) { . x = width / 2.0f , . y = height / 2.0f } ) ;
sgp_scale_at ( zoom , zoom , 0.0f , 0.0f ) ;
sgp_scale_at ( zoom , zoom , 0.0f , 0.0f ) ;
world_mouse_pos . x / = zoom ;
world_mouse_pos . y / = zoom ;
// camera go to player
// camera go to player
if ( myplayer ! = - 1 )
{
sgp_translate ( - camera_pos . x , - camera_pos . y ) ;
V2 pos = gs . players [ myplayer ] . pos ;
sgp_translate ( - pos . x , - pos . y ) ;
world_mouse_pos = V2add ( world_mouse_pos , ( V2 ) { . x = pos . x , . y = pos . y } ) ;
}
}
}
sgp_set_color ( 1.0f , 1.0f , 1.0f , 1.0f ) ;
sgp_set_color ( 1.0f , 1.0f , 1.0f , 1.0f ) ;
@ -281,13 +339,11 @@ static void frame(void)
sgp_set_color ( 1.0f , 0.0f , 0.0f , 0.5f ) ;
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 ) ;
sgp_draw_filled_rect ( world_mouse_pos . x , world_mouse_pos . y , 0.1f , 0.1f ) ;
}
}
struct Grid * placing_grid = closest_to_point_in_radius ( & gs , world_mouse_pos , 0.35f ) ;
if ( placing_grid ! = NULL )
// building preview
{
{
V2 pos = grid_snapped_box_pos ( placing_grid , world_mouse_pos ) ;
sgp_set_color ( 0.5f , 0.5f , 0.5f , ( sin ( time * 9.0f ) + 1.0 ) / 3.0f + 0.2 ) ;
sgp_set_color ( 0.5f , 0.5f , 0.5f , ( sin ( time * 9.0f ) + 1.0 ) / 3.0f + 0.2 ) ;
drawbox ( grid_pos ( placing_grid ) , grid_rotation ( placing_grid ) , pos , 0.0f , false ) ;
drawbox ( build_preview . grid_pos , build_preview . grid_rotation , build_preview . pos , 0.0f , false ) ;
// sgp_draw_filled_rect(pos.x, pos.y, 0.1f, 0.1f);
}
}
// grids
// grids
@ -317,11 +373,6 @@ static void frame(void)
sgp_set_color ( 1.0f , 1.0f , 1.0f , 1.0f ) ;
sgp_set_color ( 1.0f , 1.0f , 1.0f , 1.0f ) ;
dbg_drawall ( ) ;
dbg_drawall ( ) ;
// sgp_draw_line(5.0f, 5.0f, 5.0f, 10.0f);
// sgp_draw_line()
// sgp_rotate_at(time, 0.0f, 0.0f);
// Begin a render pass.
sg_pass_action pass_action = { 0 } ;
sg_pass_action pass_action = { 0 } ;
sg_begin_default_pass ( & pass_action , width , height ) ;
sg_begin_default_pass ( & pass_action , width , height ) ;
sgp_flush ( ) ;
sgp_flush ( ) ;
@ -362,18 +413,32 @@ void event(const sapp_event *e)
break ;
break ;
case SAPP_EVENTTYPE_MOUSE_DOWN :
case SAPP_EVENTTYPE_MOUSE_DOWN :
if ( e - > mouse_button = = SAPP_MOUSEBUTTON_LEFT )
if ( e - > mouse_button = = SAPP_MOUSEBUTTON_LEFT )
mouse_down = true ;
{
mouse_pressed = true ;
mouse_pressed_frame = e - > frame_count ;
}
if ( e - > mouse_button = = SAPP_MOUSEBUTTON_RIGHT )
{
right_mouse_down = true ;
}
break ;
break ;
case SAPP_EVENTTYPE_MOUSE_UP :
case SAPP_EVENTTYPE_MOUSE_UP :
if ( e - > mouse_button = = SAPP_MOUSEBUTTON_LEFT )
if ( e - > mouse_button = = SAPP_MOUSEBUTTON_LEFT )
mouse_down = false ;
{
mouse_pressed = false ;
mouse_pressed_frame = 0 ;
}
if ( e - > mouse_button = = SAPP_MOUSEBUTTON_RIGHT )
{
right_mouse_down = false ;
}
break ;
break ;
case SAPP_EVENTTYPE_MOUSE_MOVE :
case SAPP_EVENTTYPE_MOUSE_MOVE :
if ( ! mouse_frozen )
if ( ! mouse_frozen )
{
{
mouse_pos = ( V2 ) { . x = e - > mouse_x , . y = e - > mouse_y } ;
mouse_pos = ( V2 ) { . x = e - > mouse_x , . y = e - > mouse_y } ;
}
}
if ( mouse_down )
if ( right_ mouse_down)
{
{
funval + = e - > mouse_dx ;
funval + = e - > mouse_dx ;
Log ( " Funval %f \n " , funval ) ;
Log ( " Funval %f \n " , funval ) ;
