major optimisations and changes in logic

CMakeLists.txt

@@ -15,7 +15,7 @@ if(MSVC)
 endif()
 
 if (EMSCRIPTEN)
-  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s USE_GLFW=3 --profiling -s ASSERTIONS=1 -s WASM=1 -s INITIAL_MEMORY=268435456 -s FORCE_FILESYSTEM=1 --preload-file ${CMAKE_SOURCE_DIR}/art@art/ --shell-file ${CMAKE_SOURCE_DIR}/web/eco2d.html")
+  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s USE_GLFW=3 --profiling -s ASSERTIONS=1 -s WASM=1 -s INITIAL_MEMORY=268435456 -s FORCE_FILESYSTEM=1 --preload-file ${CMAKE_SOURCE_DIR}/art@art/ --shell-file ${CMAKE_SOURCE_DIR}/web/eco2d.html --post-js ${CMAKE_SOURCE_DIR}/web/eco2d-post.js")
   set(CMAKE_EXECUTABLE_SUFFIX ".html")
 endif ()
 

code/game/src/assets.c

@@ -23,6 +23,8 @@ typedef struct {
 static int64_t assets_frame_counter = 1;
 static double assets_frame_next_draw = 0.0;
 
+#include <time.h>
+
 int32_t assets_setup(void) {
     for (uint32_t i=0; i<ASSETS_COUNT; i++) {
         asset *b = &assets[i];
@@ -43,13 +45,12 @@ int32_t assets_setup(void) {
             default: break;
         }
     }
-    
-    assets_frame_next_draw = zpl_time_rel() + ASSET_FRAME_RENDER_MS;
+    assets_frame_next_draw = get_cached_time() + ASSET_FRAME_RENDER_MS;
     return 0;
 }
 
 int32_t assets_frame(void) {
-    if (assets_frame_next_draw < zpl_time_rel()) {
+    if (assets_frame_next_draw < get_cached_time()) {
         for (uint32_t i=0; i<ASSETS_COUNT; i++) {
             asset *b = &assets[i];
             
@@ -63,7 +64,7 @@ int32_t assets_frame(void) {
             }
         }
         
-        assets_frame_next_draw = zpl_time_rel() + ASSET_FRAME_RENDER_MS;
+        assets_frame_next_draw = get_cached_time() + ASSET_FRAME_RENDER_MS;
         assets_frame_counter += ASSET_FRAME_SKIP;
     }
     

code/game/src/assets_list.c

@@ -22,7 +22,7 @@ static asset assets[] = {
     ASSET_TEX(ASSET_DEV),
     ASSET_TEX(ASSET_GROUND),
     ASSET_TEX(ASSET_DIRT),
-    ASSET_ANI(ASSET_WATER),
+    ASSET_TEX(ASSET_WATER),
     ASSET_TEX(ASSET_LAVA),
     ASSET_TEX(ASSET_WALL),
     ASSET_TEX(ASSET_HILL),

code/game/src/debug_replay.c

@@ -116,7 +116,7 @@ void debug_replay_start(void) {
     if (records) zpl_array_free(records);
     zpl_array_init_reserve(records, zpl_heap(), UINT16_MAX);
     
-    last_record_time = zpl_time_rel();
+    last_record_time = get_cached_time();
     SetTargetFPS(60);
 }
 
@@ -155,7 +155,7 @@ void debug_replay_run(void) {
     if (mime) return;
     is_playing = true;
     record_pos = 0;
-    playback_time = zpl_time_rel();
+    playback_time = get_cached_time();
     zpl_array_init(temp_actors, zpl_heap());
     
     plr = camera_get().ent_id;
@@ -181,10 +181,10 @@ void ActSpawnBelt(void);
 
 void debug_replay_update(void) {
     if (!is_playing) return;
-    if (playback_time >= zpl_time_rel()) return;
+    if (playback_time >= get_cached_time()) return;
     
     replay_record *r = &records[record_pos];
-    playback_time = zpl_time_rel() + r->delay;
+    playback_time = get_cached_time() + r->delay;
     
     switch (r->kind) {
         case RPKIND_KEY: {
@@ -249,7 +249,7 @@ void debug_replay_update(void) {
 
 void debug_replay_record_keystate(pkt_send_keystate state) {
     if (!is_recording) return;
-    double record_time = zpl_time_rel();
+    double record_time = get_cached_time();
     
     replay_record rec = {
         .kind = RPKIND_KEY,
@@ -258,13 +258,13 @@ void debug_replay_record_keystate(pkt_send_keystate state) {
     };
     
     zpl_array_append(records, rec);
-    last_record_time = zpl_time_rel();
+    last_record_time = get_cached_time();
 }
 
 void debug_replay_special_action(replay_kind kind) {
     ZPL_ASSERT(kind != RPKIND_KEY);
     if (!is_recording || is_playing) return;
-    double record_time = zpl_time_rel();
+    double record_time = get_cached_time();
     
     replay_record rec = {
         .kind = kind,
@@ -272,5 +272,5 @@ void debug_replay_special_action(replay_kind kind) {
     };
     
     zpl_array_append(records, rec);
-    last_record_time = zpl_time_rel();
+    last_record_time = get_cached_time();
 }

code/game/src/entity.c

@@ -79,7 +79,7 @@ void entity_update_action_timers() {
     static double last_update_time = 0.0f;
     if (!ecs_streaminfo) {
         ecs_streaminfo = ecs_query_new(world_ecs(), "components.StreamInfo");
-        last_update_time = zpl_time_rel();
+        last_update_time = get_cached_time();
     }
     
     ecs_iter_t it = ecs_query_iter(world_ecs(), ecs_streaminfo);
@@ -88,17 +88,17 @@ void entity_update_action_timers() {
         StreamInfo *si = ecs_field(&it, StreamInfo, 1);
         
         for (int32_t i = 0; i < it.count; i++) {
-            if (si[i].last_update < zpl_time_rel()) {
-                si[i].last_update = zpl_time_rel() + si[i].tick_delay;
-                si[i].tick_delay += (zpl_time_rel() - last_update_time) * 0.5f;
+            if (si[i].last_update < get_cached_time()) {
+                si[i].last_update = get_cached_time() + si[i].tick_delay;
+                si[i].tick_delay += (get_cached_time() - last_update_time) * 0.5f;
             }
         }
     }
     
-    last_update_time = zpl_time_rel();
+    last_update_time = get_cached_time();
 }
 
 bool entity_can_stream(uint64_t ent_id) {
     StreamInfo *si = ecs_get_mut(world_ecs(), ent_id, StreamInfo);
-    return (si->last_update < zpl_time_rel());
+    return (si->last_update < get_cached_time());
 }

code/game/src/game.c

@@ -122,7 +122,7 @@ void flecs_dash_init() {
 }
 
 float game_time() {
-    return (float)zpl_time_rel();
+    return (float)get_cached_time();
 }
 
 void game_init(const char *ip, uint16_t port, game_kind play_mode, uint32_t num_viewers, int32_t seed, uint16_t chunk_size, uint16_t chunk_amount, int8_t is_dash_enabled) {
@@ -232,15 +232,15 @@ void game_update() {
         if (game_mode == GAMEKIND_HEADLESS) {
             network_server_tick();
             
-            static uint64_t ms_report = 2500;
-            if (ms_report < zpl_time_rel_ms()) {
-                ms_report = zpl_time_rel_ms() + 5000;
-                zpl_printf("delta: %f ms.\n", (zpl_time_rel() - last_update)*1000.0f);
+            static float ms_report = 2.5f;
+            if (ms_report < get_cached_time()) {
+                ms_report = get_cached_time() + 5.f;
+                zpl_printf("delta: %f ms.\n", (get_cached_time() - last_update)*1000.0f);
             }
         }
     }
     
-    last_update = zpl_time_rel();
+    last_update = get_cached_time();
 }
 
 void game_render() {

code/game/src/gen/texgen.c

@@ -33,11 +33,11 @@ Texture2D GenColorEco(Color color) {
 Texture2D texgen_build_anim(asset_id id, int64_t counter) {
     (void)counter;
     switch (id) {
-        case ASSET_WATER: {
-            Image img = LoadImageEco("water");
-            ImageColorBrightness(&img, zpl_abs((counter % 64 - 32)*2));
-            return Image2TexEco(img);
-        }break;
+        // case ASSET_WATER: {
+        //     Image img = LoadImageEco("water");
+        //     ImageColorBrightness(&img, zpl_abs((counter % 64 - 32)*2));
+        //     return Image2TexEco(img);
+        // }break;
         
         default: return GenColorEco(PINK); break;
     }
@@ -61,6 +61,7 @@ Texture2D texgen_build_sprite(asset_id id) {
         case ASSET_LAVA: return LoadTexEco("lava");
         case ASSET_WOOD: return LoadTexEco("wood");
         case ASSET_TREE: return LoadTexEco("tree");
+        case ASSET_WATER: return LoadTexEco("water");
 
         case ASSET_BELT:
         case ASSET_BELT_RIGHT: return LoadTexEco("belt_right");

code/game/src/main.c

@@ -80,6 +80,7 @@ int main(int argc, char** argv) {
 
 #if !defined(PLATFORM_WEB)
     while (game_is_running()) {
+        reset_cached_time();
         profile (PROF_MAIN_LOOP) {
             game_input();
             game_update();
@@ -102,6 +103,7 @@ int main(int argc, char** argv) {
 
 #if defined(PLATFORM_WEB)
 void UpdateDrawFrame(void) {
+    reset_cached_time();
     profile (PROF_MAIN_LOOP) {
         game_input();
         game_update();
@@ -111,3 +113,12 @@ void UpdateDrawFrame(void) {
     profiler_collate();
 }
 #endif
+
+static float temp_time = 0.0f;
+
+float get_cached_time(void) {
+    return temp_time;
+}
+void reset_cached_time(void) {
+    temp_time = zpl_time_rel();
+}

code/game/src/network.c

@@ -120,7 +120,7 @@ network_client_fetch_stats(void) {
     static float incoming_bandwidth = 0.0f;
     static float outgoing_bandwidth = 0.0f;
 
-    if (next_measure < zpl_time_rel()) {
+    if (next_measure < get_cached_time()) {
 #define MAX_RATE_SAMPLES 8
         static uint64_t last_total_sent = 0;
         static uint64_t last_total_recv = 0;
@@ -145,7 +145,7 @@ network_client_fetch_stats(void) {
         incoming_bandwidth = stats.incoming_bandwidth /= MAX_RATE_SAMPLES;
         outgoing_bandwidth = stats.outgoing_bandwidth /= MAX_RATE_SAMPLES;
 
-        next_measure = zpl_time_rel() + 1.0;
+        next_measure = get_cached_time() + 1.0;
     } else {
         stats.incoming_bandwidth = incoming_bandwidth;
         stats.outgoing_bandwidth = outgoing_bandwidth;

code/game/src/packets/pkt_send_librg_update.c

@@ -41,7 +41,7 @@ int32_t pkt_send_librg_update_handler(pkt_header *header) {
     int32_t state = librg_world_read(view->tracker, header->view_id, uc.item.as.bin.start, uc.item.as.bin.length, NULL);
     if (state < 0) zpl_printf("[ERROR] world read error: %d\n", state);
     
-    float now = (float)zpl_time_rel();
+    float now = (float)get_cached_time();
     view->delta_time[layer_id] = now - view->last_update[layer_id];
     view->last_update[layer_id] = now;
     

code/game/src/system.h

@@ -10,6 +10,9 @@
 #define ZPL_ENABLE_MATH
 #include "zpl.h"
 
+float get_cached_time(void);
+void reset_cached_time(void);
+
 #define defer_var ZPL_CONCAT(_i_,__LINE__)
 #define defer(s,e) for ( \
 uint32_t defer_var = (s, 0); \

code/game/src/world/world.c

@@ -307,8 +307,8 @@ int32_t world_destroy(void) {
 #define WORLD_LIBRG_BUFSIZ 2000000
 
 static void world_tracker_update(uint8_t ticker, float freq, uint8_t radius) {
-    if (world.tracker_update[ticker] > (float)zpl_time_rel()) return;
-    world.tracker_update[ticker] = (float)zpl_time_rel() + freq;
+    if (world.tracker_update[ticker] > (float)(get_cached_time())) return;
+    world.tracker_update[ticker] = (float)(get_cached_time()) + freq;
 
     profile(PROF_WORLD_WRITE) {
         ecs_iter_t it = ecs_query_iter(world_ecs(), world.ecs_update);

code/game/src/world_view.c

@@ -26,7 +26,7 @@ int32_t tracker_read_update(librg_world *w, librg_event *e) {
     entity_view *d = entity_view_get(&view->entities, entity_id);
 #if 1
     if (d && d->layer_id < view->active_layer_id) {
-        if (zpl_time_rel_ms() - d->last_update > WORLD_TRACKER_UPDATE_NORMAL_MS) {
+        if ((get_cached_time()*1000.0f) - d->last_update > WORLD_TRACKER_UPDATE_NORMAL_MS) {
             d->layer_id = zpl_min(WORLD_TRACKER_LAYERS-1, d->layer_id+1);
         }
         // NOTE(zaklaus): reject updates from slower layers
@@ -34,7 +34,7 @@ int32_t tracker_read_update(librg_world *w, librg_event *e) {
     }
 #endif
     
-    data.last_update = zpl_time_rel_ms();
+    data.last_update = get_cached_time()*1000.0f;
     data.layer_id = view->active_layer_id;
     predict_receive_update(d, &data);
     entity_view_update_or_create(&view->entities, entity_id, data);

web/eco2d-post.js

@@ -0,0 +1,2 @@
+// Hack to enforce CLOCK_REALTIME, which is significantly faster for our purposes.
+_emscripten_get_now = () => Date.now();