PlaydateNative/main.cpp at master · maxweisel/PlaydateNative · GitHub

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//
// main.cpp
// Playdate Native
//
// Created by Max Weisel on 10/19/19.
// Copyright © 2019 Max Weisel. All rights reserved.
//

#include<memory>
#include"Config.h"
#include"Playdate/Playdate.h"

usingnamespacestd;

extern"C" {
 #include"pd_api.h"

static unique_ptr<APPLICATION_CLASS> __application;

#if TARGET_PLAYDATE
// Sets up the BSS segment, clearing global variables
voidSetupExtension(void);
#endif

inteventHandler(PlaydateAPI* playdate, PDSystemEvent event, uint32_t argument) {
switch (event) {
casekEventGetHeapPosition: // device only--use template code for this! :)
#if TARGET_PLAYDATE
externchar bssend asm("__bss_end__");
return (int)&bssend;
#else
return0;
#endif

casekEventGetVersion: // return API_VERSION
returnAPI_VERSION;

casekEventInit: // should call SetupExtension() on the device to intialize globals
#if TARGET_PLAYDATE
SetupExtension();
#endif
// Setup Playdate C++ API
SetPlaydateAPI(playdate);

// Create application
 __application = unique_ptr<APPLICATION_CLASS>(newAPPLICATION_CLASS());
return0;

casekEventTerminate:
// Destroy application
 __application = nullptr;
return0;

default:
// Dispatch event to application
if (__application)
return __application->HandleEvent(event, argument);
else
return0;
 }
 }

#if TARGET_PLAYDATE
 PDEventHandler* PD_eventHandler __attribute__((section(".extension_reg"))) = &eventHandler;
#endif
}