From 5f744720559029fed1c267cdb3a08fa17d6047ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Pons?= <clement.pons@stms.fr>
Date: Tue, 25 Mar 2025 17:18:06 +0100
Subject: [PATCH] Add flecs

---
 .vscode/c_cpp_properties.json | 11 ++++++++---
 .vscode/settings.json         |  6 +++++-
 build.bat                     |  2 +-
 debug.bat                     |  2 +-
 src/main.c                    |  9 +++++++++
 5 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
index 30f3982..03e34c7 100644
--- a/.vscode/c_cpp_properties.json
+++ b/.vscode/c_cpp_properties.json
@@ -20,7 +20,8 @@
             "name": "Emscripten",
             "includePath": [
                 "${workspaceFolder}/../sokol",
-                "${workspaceFolder}/../sokol_gp"
+                "${workspaceFolder}/../sokol_gp",
+                "${workspaceFolder}/../flecs/distr"
             ],
             "defines": [
                 "_DEBUG",
@@ -32,7 +33,6 @@
             "cStandard": "c17",
             "cppStandard": "c++17",
             "intelliSenseMode": "windows-clang-x64",
-            "compilerPathInCppPropertiesJson": "C:\\Users\\c.pons\\Documents\\Perso\\Git\\emsdk\\upstream\\bin\\clang.exe",
             "mergeConfigurations": false,
             "browse": {
                 "path": [
@@ -47,7 +47,12 @@
                 "-sASSERTIONS",
                 "-sWASM_BIGINT",
                 "-pthread",
-                "-sFILESYSTEM=0"
+                "-sFILESYSTEM=0",
+                "-sALLOW_MEMORY_GROWTH=1",
+                "-sSTACK_SIZE=1mb",
+                "-sEXPORTED_RUNTIME_METHODS=cwrap",
+                "-sMODULARIZE=1",
+                "-sEXPORT_NAME=\"flecs_tests\""
             ]
         }
     ],
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 1ca1277..63e89fd 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -9,6 +9,10 @@
         "webgpu.h": "c",
         "html5.h": "c",
         "emscripten.h": "c",
-        "stddef.h": "c"
+        "stddef.h": "c",
+        "flecs.h": "c",
+        "stdlib.h": "c",
+        "math.h": "c",
+        "stdio.h": "c"
     }
 }
\ No newline at end of file
diff --git a/build.bat b/build.bat
index 417bbea..38b6523 100644
--- a/build.bat
+++ b/build.bat
@@ -1 +1 @@
-emcc -O3 src/main.c -o app.html -sUSE_WEBGL2 -sWASM_BIGINT -pthread -I../sokol -I../sokol_gp --shell-file=shell.html -sFILESYSTEM=0
\ No newline at end of file
+emcc -O3 src/main.c -o app.html -sUSE_WEBGL2 -sWASM_BIGINT -pthread -I../sokol -I../sokol_gp -I../flecs/distr --shell-file=shell.html -sFILESYSTEM=0
\ No newline at end of file
diff --git a/debug.bat b/debug.bat
index f700cc6..004b571 100644
--- a/debug.bat
+++ b/debug.bat
@@ -1 +1 @@
-emcc src/main.c -o app.html -sUSE_WEBGL2 -sASSERTIONS -sWASM_BIGINT -pthread -I../sokol -I../sokol_gp --shell-file=shell.html -sFILESYSTEM=0 -g
\ No newline at end of file
+emcc src/main.c -o app.html -sUSE_WEBGL2 -sASSERTIONS -sWASM_BIGINT -pthread -I../sokol -I../sokol_gp -I../flecs/distr --shell-file=shell.html -sFILESYSTEM=0 -g
\ No newline at end of file
diff --git a/src/main.c b/src/main.c
index 3aa9996..438eedf 100644
--- a/src/main.c
+++ b/src/main.c
@@ -3,15 +3,20 @@
 // Includes Sokol GFX, Sokol GP and Sokol APP, doing all implementations.
 #define SOKOL_IMPL
 #define SOKOL_GLES3
+#define FLECS_CUSTOM_BUILD
 #include "sokol_gfx.h"
 #include "sokol_gp.h"
 #include "sokol_app.h"
 #include "sokol_glue.h"
 
+#include "flecs.c"
+
 #include <stdio.h> // for fprintf()
 #include <stdlib.h> // for exit()
 #include <math.h> // for sinf() and cosf()
 
+ecs_world_t *world;
+
 // Called on every frame of the application.
 static void frame(void) {
     // Get current window size.
@@ -68,10 +73,14 @@ static void init(void) {
         fprintf(stderr, "Failed to create Sokol GP context: %s\n", sgp_get_error_message(sgp_get_last_error()));
         exit(-1);
     }
+
+    world = ecs_init();
 }
 
 // Called when the application is shutting down.
 static void cleanup(void) {
+    ecs_fini(world);
+
     // Cleanup Sokol GP and Sokol GFX resources.
     sgp_shutdown();
     sg_shutdown();