From 724592ec67e8a29a55b5b46aae12a68ee26754e9 Mon Sep 17 00:00:00 2001
From: Raimon Zamora <jaildoctor@gmail.com>
Date: Fri, 23 Jun 2023 11:22:12 +0200
Subject: [PATCH] - Added turbo option, to allow waiting for events and use
 less CPU

---
 lua.cpp  | 12 ++++++++++++
 mini.cpp |  8 +++++++-
 mini.h   |  2 ++
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/lua.cpp b/lua.cpp
index cea7739..437a873 100644
--- a/lua.cpp
+++ b/lua.cpp
@@ -782,6 +782,16 @@ extern "C" {
         return 1;
     }
 
+    static int cpp_turbo(lua_State *L) {
+        if (lua_gettop(L) >= 1) {
+            setturbo(lua_toboolean(L, 1));
+            return 0;
+        } else {
+            setturbo(true);
+            return 0;
+        }
+    }
+
     static int cpp_exit(lua_State *L) {
         exit();
         return 0;
@@ -904,6 +914,8 @@ void push_lua_funcs() {
     lua_pushcfunction(L,cpp_setconf);       lua_setglobal(L, "setconf");
     lua_pushcfunction(L,cpp_configfolder);       lua_setglobal(L, "configfolder");
 
+    lua_pushcfunction(L,cpp_turbo);    lua_setglobal(L, "turbo");
+
     lua_pushcfunction(L,cpp_exit);          lua_setglobal(L, "quit");
 
     lua_pushinteger(L, 0);              lua_setglobal(L, "KEY_UNKNOWN");
diff --git a/mini.cpp b/mini.cpp
index 3e89a11..2debe1c 100644
--- a/mini.cpp
+++ b/mini.cpp
@@ -9,6 +9,8 @@
 #include <libgen.h>
 #endif
 
+extern DECLSPEC int SDLCALL (*event_handler_ptr)(SDL_Event*) = &SDL_PollEvent;
+
 #pragma pack(1)
 
 struct surface_t {
@@ -280,7 +282,7 @@ int main(int argc,char*argv[]){
         mouse_just_pressed = 0;
         while(!should_exit) {
             mouse_wheel = 0;
-            while(SDL_PollEvent(&mini_eve)) {
+            while(event_handler_ptr(&mini_eve)) {
                 if (mini_eve.type == SDL_QUIT) { should_exit=true; should_quit=true; break; }
                 if (mini_eve.type == SDL_KEYDOWN) {
 /*
@@ -1211,6 +1213,10 @@ const char *configfolder() {
     return file_getconfigfolder();
 }
 
+void setturbo(const bool value) {
+    event_handler_ptr = value ? &SDL_PollEvent : &SDL_WaitEvent;
+}
+
 void exit() {
     should_exit = true;
     should_quit = true;
diff --git a/mini.h b/mini.h
index 95dc7cb..0d87939 100644
--- a/mini.h
+++ b/mini.h
@@ -285,4 +285,6 @@ const char *getconfig(const char* key);
 void setconfig(const char* key, const char* value);
 const char *configfolder();
 
+void setturbo(const bool value);
+
 void exit();