From fa6e10e9cec163845aa29e7940c86e9c9ab8a2bc Mon Sep 17 00:00:00 2001
From: Jordi Vilalta Prat
Date: Sun, 15 Feb 2009 06:10:59 +0000
Subject: Import the SCI engine sources from the FreeSCI Glutton branch (it
 doesn't compile yet)

svn-id: r38192
---
 engines/sci/sfx/timer/scummvm.cpp | 52 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 engines/sci/sfx/timer/scummvm.cpp

(limited to 'engines/sci/sfx/timer/scummvm.cpp')

diff --git a/engines/sci/sfx/timer/scummvm.cpp b/engines/sci/sfx/timer/scummvm.cpp
new file mode 100644
index 0000000000..f4e08d441a
--- /dev/null
+++ b/engines/sci/sfx/timer/scummvm.cpp
@@ -0,0 +1,52 @@
+#include "common/timer.h"
+#include "engines/engine.h"
+#include "sfx_timer.h"
+
+
+#define FREQ 60
+#define DELAY (1000000 / FREQ)
+
+typedef void (*scummvm_timer_callback_t)(void *);
+static scummvm_timer_callback_t scummvm_timer_callback = NULL;
+static void *scummvm_timer_callback_data = NULL;
+extern ::Engine *g_engine;
+
+void scummvm_timer_update_internal(void *ptr) {
+	if (scummvm_timer_callback)
+		scummvm_timer_callback(scummvm_timer_callback_data);
+}
+
+int scummvm_timer_start(void (*func)(void *), void *data) {
+	if (scummvm_timer_callback) {
+		fprintf(stderr,
+				"Error: Attempt to initialize gametick timer more than once\n");
+		return SFX_ERROR;
+	}
+
+	if (!func) {
+		fprintf(stderr,
+				"Error: Attempt to initialize gametick timer w/o callback\n");
+		return SFX_ERROR;
+	}
+
+	scummvm_timer_callback = func;
+	scummvm_timer_callback_data = data;
+
+	::g_engine->_timer->installTimerProc(&scummvm_timer_update_internal, DELAY, NULL);
+	return SFX_OK;
+}
+
+int scummvm_timer_stop() {
+	scummvm_timer_callback = NULL;
+	return SFX_OK;
+}
+
+
+sfx_timer_t sfx_timer_scummvm = {
+	"ScummVM",
+	"0.1",
+	DELAY/1000, 0,
+	NULL,
+	&scummvm_timer_start,
+	&scummvm_timer_stop
+	};
-- 
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