From 0a21220707b879b5fcfe0cbed1774e808ddac68f Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Mon, 29 Oct 2018 01:02:40 -0700
Subject: GLK: Add game frames to actually render the screen

---
 engines/gargoyle/events.cpp      | 23 +++++++++++++++++++++++
 engines/gargoyle/events.h        | 12 +++++++++++-
 engines/gargoyle/window_mask.cpp |  2 ++
 3 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/engines/gargoyle/events.cpp b/engines/gargoyle/events.cpp
index 23a8baf813..ef4c59df30 100644
--- a/engines/gargoyle/events.cpp
+++ b/engines/gargoyle/events.cpp
@@ -23,10 +23,28 @@
 #include "gargoyle/events.h"
 #include "gargoyle/clipboard.h"
 #include "gargoyle/gargoyle.h"
+#include "gargoyle/screen.h"
 #include "gargoyle/windows.h"
 
 namespace Gargoyle {
 
+Events::Events() : _forceClick(false), _currentEvent(nullptr), _timeouts(false),
+	_priorFrameTime(0), _frameCounter(0) {
+}
+
+bool Events::checkForNextFrameCounter() {
+	// Check for next game frame
+	uint32 milli = g_system->getMillis();
+	if ((milli - _priorFrameTime) >= GAME_FRAME_TIME) {
+		++_frameCounter;
+		_priorFrameTime = milli;
+
+		return true;
+	}
+
+	return false;
+}
+
 void Events::getEvent(event_t *event, bool polled) {
 	_currentEvent  = event;
 	event->clear();
@@ -89,6 +107,11 @@ void Events::dispatchEvent(Event &ev, bool polled) {
 void Events::pollEvents() {
 	Common::Event event;
 
+	if (checkForNextFrameCounter()) {
+		// Update the screen
+		g_vm->_screen->update();
+	}
+
 	do {
 		g_system->getEventManager()->pollEvent(event);
 
diff --git a/engines/gargoyle/events.h b/engines/gargoyle/events.h
index f49ef35ac5..4d9e49b55d 100644
--- a/engines/gargoyle/events.h
+++ b/engines/gargoyle/events.h
@@ -28,6 +28,9 @@
 
 namespace Gargoyle {
 
+#define GAME_FRAME_RATE 100
+#define GAME_FRAME_TIME (1000 / GAME_FRAME_RATE)
+
 class Window;
 
 /**
@@ -148,7 +151,14 @@ private:
 	EventQueue _eventsLogged;		///< Custom events generated by game code
 	Event *_currentEvent;			///< Event pointer passed during event retrieval
 	bool _timeouts;					///< Timer timeouts flag
+	uint32 _priorFrameTime;			///< Time of prior game frame
+	uint32 _frameCounter;			///< Frame counter
 private:
+	/**
+	 * Checks for whether it's time for the next game frame
+	 */
+	bool checkForNextFrameCounter();
+
 	/**
 	 * Dispatches an event
 	 */
@@ -189,7 +199,7 @@ public:
 	/**
 	 * Constructor
 	 */
-	Events() : _forceClick(false), _currentEvent(nullptr), _timeouts(false) {}
+	Events();
 
 	/**
 	  * Get any pending event
diff --git a/engines/gargoyle/window_mask.cpp b/engines/gargoyle/window_mask.cpp
index b3b629b50f..6c857899d0 100644
--- a/engines/gargoyle/window_mask.cpp
+++ b/engines/gargoyle/window_mask.cpp
@@ -24,6 +24,7 @@
 #include "gargoyle/conf.h"
 #include "gargoyle/gargoyle.h"
 #include "gargoyle/windows.h"
+#include "common/system.h"
 
 namespace Gargoyle {
 
@@ -32,6 +33,7 @@ int WindowMask::_lastY;
 
 WindowMask::WindowMask() : _hor(0), _ver(0), _links(nullptr) {
 	_lastX = _lastY = 0;
+	resize(g_system->getWidth(), g_system->getHeight());
 }
 
 void WindowMask::resize(size_t x, size_t y) {
-- 
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