From e1d03dafe460e00a27975519e4d911274f13eeb5 Mon Sep 17 00:00:00 2001
From: 0scar <qgt268@alumni.ku.dk>
Date: Tue, 13 Feb 2024 09:37:14 +0100
Subject: Add delta time to update function

---
 src/core/include/engine/core/state.h | 4 ++--
 src/core/src/loop.c                  | 4 ++--
 src/core/src/state.c                 | 6 +++---
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/core/include/engine/core/state.h b/src/core/include/engine/core/state.h
index f407acc..ee4741e 100644
--- a/src/core/include/engine/core/state.h
+++ b/src/core/include/engine/core/state.h
@@ -13,11 +13,11 @@ typedef enum StateType {
 
 extern const char* StateTypeStr[];
 
-StateType (*State_updateFunc(StateType type))(void*);
+StateType (*State_updateFunc(StateType type))(f64, void*);
 
 void State_init(StateType type, memory* mem, void* arg);
 void* State_free(StateType type, memory* mem);
-StateType State_update(StateType type, memory* mem);
+StateType State_update(StateType type, f64 dt, memory* mem);
 
 /* Reloads shared object file associated with state */
 #ifdef DAW_BUILD_HOTRELOAD
diff --git a/src/core/src/loop.c b/src/core/src/loop.c
index c4435fb..ac82603 100644
--- a/src/core/src/loop.c
+++ b/src/core/src/loop.c
@@ -316,7 +316,7 @@ i32 engine_run(Platform* p, StateType initial_state, void* state_arg) {
   // Update ticks
   u64 ticks = 0;
 
-  StateType (*update_func)(void*) = State_updateFunc(state);
+  StateType (*update_func)(f64,void*) = State_updateFunc(state);
 
   f64 last_fps_measurement = get_time();
 
@@ -359,7 +359,7 @@ i32 engine_run(Platform* p, StateType initial_state, void* state_arg) {
 //
 //    /* update */
     StateType next_state;
-      next_state = update_func((void*)(mem->data));
+      next_state = update_func(dt, (void*)(mem->data));
 
     if (next_state != STATE_null) {
       if (next_state == STATE_quit) break;
diff --git a/src/core/src/state.c b/src/core/src/state.c
index c393566..9b1e14c 100644
--- a/src/core/src/state.c
+++ b/src/core/src/state.c
@@ -7,7 +7,7 @@
 
 //typedef void state_init_t(void*,void*);
 //typedef void* (state_free_t(void*));
-typedef StateType state_update_t(void*);
+typedef StateType state_update_t(f64, void*);
 
 const char* StateTypeStr[] = {
     "null",
@@ -90,7 +90,7 @@ void* State_free(StateType type, memory* mem) {
   return state_retval;
 }
 
-StateType (*State_updateFunc(StateType type))(void*) {
+StateType (*State_updateFunc(StateType type))(f64, void*) {
   switch (type) {
 #ifdef DAW_BUILD_HOTRELOAD
 #define State(name)                                                            \
@@ -117,7 +117,7 @@ StateType (*State_updateFunc(StateType type))(void*) {
   return NULL;
 }
 
-StateType State_update(StateType type, memory* mem) {
+StateType State_update(StateType type, f64 dt, memory* mem) {
   StateType next_state = STATE_null;
   switch (type) {
 #define State(name)                                                            \
-- 
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