1 files changed, 146 insertions, 0 deletions

diff --git a/apps/plugins/xworld/sys.h b/apps/plugins/xworld/sys.h
new file mode 100644
index 0000000000..f1920acf37
--- /dev/null
+++ b/apps/plugins/xworld/sys.h
@@ -0,0 +1,146 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2014 Franklin Wei, Benjamin Brown
+ * Copyright (C) 2004 Gregory Montoir
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#ifndef __XWORLD_SYS_H__
+#define __XWORLD_SYS_H__
+
+#include "intern.h"
+
+#define SYS_NEGATIVE_COLOR
+#define NUM_COLORS 16
+#define MAX_MUTEXES 16
+#define SETTINGS_FILE "settings.xfg"
+#define CODE_X 80
+#define CODE_Y 36
+
+enum {
+    DIR_LEFT  = 1 << 0,
+    DIR_RIGHT = 1 << 1,
+    DIR_UP    = 1 << 2,
+    DIR_DOWN  = 1 << 3
+};
+
+struct PlayerInput {
+
+    uint8_t dirMask;
+    bool button;
+    bool code;
+    bool pause;
+    bool quit;
+    char lastChar;
+    bool save, load;
+    bool fastMode;
+    int8_t stateSlot;
+};
+
+
+struct keymapping_t {
+    int up;
+    int down;
+    int left;
+    int right;
+#if (CONFIG_KEYPAD == SANSA_FUZEPLUS_PAD)
+    int upleft;
+    int upright;
+    int downleft;
+    int downright;
+#endif
+};
+
+typedef void (*AudioCallback)(void *param, uint8_t *stream, int len);
+typedef uint32_t (*TimerCallback)(uint32_t delay, void *param);
+
+struct System {
+    struct mutex mutex_memory[MAX_MUTEXES];
+    uint16_t mutex_bitfield;
+    struct PlayerInput input;
+    fb_data palette[NUM_COLORS];
+    struct Engine* e;
+    struct keymapping_t keymap;
+
+    void *membuf;
+    size_t bytes_left;
+
+    bool loaded;
+
+    struct {
+        bool negative_enabled;
+        /*
+          scaling quality:
+          0: off
+          1: fast
+          2: good (color only)
+        */
+        int scaling_quality;
+        /*
+          rotation:
+          0: off
+          1: cw
+          2: ccw
+        */
+        int rotation_option;
+
+        bool showfps;
+        bool sound_enabled;
+        int sound_bufsize;
+        bool zoom;
+    } settings;
+};
+
+void sys_init(struct System*, const char *title);
+void sys_menu(struct System*);
+void sys_destroy(struct System*);
+
+void sys_setPalette(struct System*, uint8_t s, uint8_t n, const uint8_t *buf);
+void sys_copyRect(struct System*, uint16_t x, uint16_t y, uint16_t w, uint16_t h, const uint8_t *buf, uint32_t pitch);
+
+void sys_processEvents(struct System*);
+void sys_sleep(struct System*, uint32_t duration);
+uint32_t sys_getTimeStamp(struct System*);
+
+void sys_startAudio(struct System*, AudioCallback callback, void *param);
+void sys_stopAudio(struct System*);
+uint32_t sys_getOutputSampleRate(struct System*);
+
+void *sys_addTimer(struct System*, uint32_t delay, TimerCallback callback, void *param);
+void sys_removeTimer(struct System*, void *timerId);
+
+void *sys_createMutex(struct System*);
+void sys_destroyMutex(struct System*, void *mutex);
+void sys_lockMutex(struct System*, void *mutex);
+void sys_unlockMutex(struct System*, void *mutex);
+
+/* a quick 'n dirty function to get some bytes in the audio buffer after zeroing them */
+/* pretty much does the same thing as calloc, though much uglier and there's no free() */
+void *sys_get_buffer(struct System*, size_t);
+
+uint8_t* getOffScreenFramebuffer(struct System*);
+
+struct MutexStack_t {
+    struct System *sys;
+    void *_mutex;
+};
+
+void MutexStack(struct MutexStack_t*, struct System*, void*);
+void MutexStack_destroy(struct MutexStack_t*);
+
+#endif