Port of Duke Nukem 3D

This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL
for Rockbox.

Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9

1 files changed, 150 insertions, 0 deletions

diff --git a/apps/plugins/sdl/src/joystick/nds/SDL_sysjoystick.c b/apps/plugins/sdl/src/joystick/nds/SDL_sysjoystick.c
new file mode 100644
index 0000000000..122f48d863
--- /dev/null
+++ b/apps/plugins/sdl/src/joystick/nds/SDL_sysjoystick.c
@@ -0,0 +1,150 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/* This is the system specific header for the SDL joystick API */
+#include <nds.h>
+//#include <nds/registers_alt.h>
+
+#include "SDL_error.h"
+#include "SDL_events.h"
+#include "SDL_joystick.h"
+#include "../SDL_sysjoystick.h"
+#include "../SDL_joystick_c.h"
+
+#include "../../video/nds/SDL_ndsevents_c.h"
+
+/* Function to scan the system for joysticks.
+ * This function should set SDL_numjoysticks to the number of available
+ * joysticks.  Joystick 0 should be the system default joystick.
+ * It should return 0, or -1 on an unrecoverable fatal error.
+ */
+int SDL_SYS_JoystickInit(void)
+{
+        SDL_numjoysticks = 1;
+    //keysInit();
+
+        return(1);
+}
+
+/* Function to get the device-dependent name of a joystick */
+const char *SDL_SYS_JoystickName(int index)
+{
+        if(!index)
+                return "NDS builtin joypad";
+        SDL_SetError("No joystick available with that index");
+        return (NULL);
+}
+
+/* Function to open a joystick for use.
+   The joystick to open is specified by the index field of the joystick.
+   This should fill the nbuttons and naxes fields of the joystick structure.
+   It returns 0, or -1 if there is an error.
+ */
+int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)
+{
+        joystick->nbuttons=8;
+        joystick->nhats=0;
+        joystick->nballs=0;
+        joystick->naxes=2;
+        return 0;
+}
+
+
+/* Function to update the state of a joystick - called as a device poll.
+ * This function shouldn't update the joystick structure directly,
+ * but instead should call SDL_PrivateJoystick*() to deliver events
+ * and update joystick device state.
+ */
+
+int prevbutton=0;
+int prevkey=0;
+
+int dc=0;int ldc=0;
+u32 keysd,keysu=0;
+void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
+{
+    //dc=keysd;
+        //if (dc)
+        //{
+                //fprintf(stderr,"heartbeat= %d\n",REG_VCOUNT); 
+                //swiWaitForVBlank();
+                //scanKeys();
+                //keysd = keysDown(); 
+                //keysu = keysUp();
+                //ldc=keysd;
+                 
+        //}
+        /*if (prevkey && prevbutton)
+        {
+                scanKeys();
+        }
+        */
+        
+        //scanKeys();
+                keysd = keysDown(); 
+                keysu = keysUp();
+                
+        
+        short ax=0,v=0,h=0;
+        if((keysd&KEY_UP)) {ax=1;v=-10;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=KEY_UP;}//fprintf(stderr,"KEY_UP\n");}
+        if((keysd&KEY_DOWN)) {ax=1;v=10;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=KEY_DOWN;}//fprintf(stderr,"KEY_DOWN\n");}
+        if((keysd&KEY_LEFT)) {ax=0;h=-10;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=KEY_LEFT;}//fprintf(stderr,"KEY_LEFT\n");}
+        if((keysd&KEY_RIGHT)) {ax=0;h=10;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=KEY_RIGHT;}//fprintf(stderr,"KEY_RIGHT\n");}
+
+        if((keysu&KEY_UP)) {ax=1;v=0;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=0;}//fprintf(stderr,"KEY_UP\n");}
+        if((keysu&KEY_DOWN)) {ax=1;v=0;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=0;}//fprintf(stderr,"KEY_DOWN\n");}
+        if((keysu&KEY_LEFT)) {ax=0;h=0;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=0;}//fprintf(stderr,"KEY_LEFT\n");}
+        if((keysu&KEY_RIGHT)) {ax=0;h=0;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=0;}//fprintf(stderr,"KEY_RIGHT\n");}
+
+        if((keysd&KEY_A))               {SDL_PrivateJoystickButton(joystick,0,SDL_PRESSED);prevbutton=KEY_A;}
+        if((keysd&KEY_B))               {SDL_PrivateJoystickButton(joystick,1,SDL_PRESSED);prevbutton=KEY_B;}
+        if((keysd&KEY_X))               {SDL_PrivateJoystickButton(joystick,2,SDL_PRESSED);prevbutton=KEY_X;}
+        if((keysd&KEY_Y))               {SDL_PrivateJoystickButton(joystick,3,SDL_PRESSED);prevbutton=KEY_Y;}
+        if((keysd&KEY_SELECT))  {SDL_PrivateJoystickButton(joystick,6,SDL_PRESSED);prevbutton=KEY_SELECT;}
+        if((keysd&KEY_START))   {SDL_PrivateJoystickButton(joystick,7,SDL_PRESSED);prevbutton=KEY_START;}
+        if((keysd&KEY_L))               {SDL_PrivateJoystickButton(joystick,4,SDL_PRESSED);prevbutton=KEY_L;}
+        if((keysd&KEY_R))               {SDL_PrivateJoystickButton(joystick,5,SDL_PRESSED);prevbutton=KEY_R;}
+
+        if((keysu&KEY_A))               {SDL_PrivateJoystickButton(joystick,0,SDL_RELEASED);prevbutton=0;}
+        if((keysu&KEY_B))               {SDL_PrivateJoystickButton(joystick,1,SDL_RELEASED);prevbutton=0;}
+        if((keysu&KEY_X))               {SDL_PrivateJoystickButton(joystick,2,SDL_RELEASED);prevbutton=0;}
+        if((keysu&KEY_Y))               {SDL_PrivateJoystickButton(joystick,3,SDL_RELEASED);prevbutton=0;}
+        if((keysu&KEY_SELECT))  {SDL_PrivateJoystickButton(joystick,6,SDL_RELEASED);prevbutton=0;}
+        if((keysu&KEY_START))   {SDL_PrivateJoystickButton(joystick,7,SDL_RELEASED);prevbutton=0;}
+        if((keysu&KEY_L))               {SDL_PrivateJoystickButton(joystick,4,SDL_RELEASED);prevbutton=0;}
+        if((keysu&KEY_R))               {SDL_PrivateJoystickButton(joystick,5,SDL_RELEASED);prevbutton=0;}
+
+
+
+}
+
+/* Function to close a joystick after use */
+void SDL_SYS_JoystickClose(SDL_Joystick *joystick)
+{
+}
+
+/* Function to perform any system-specific joystick related cleanup */
+void SDL_SYS_JoystickQuit(void)
+{
+}
+