Add core setting to enable raw adapter(s)

Make raphnet support completely optional (disable for now)
Raphnet controllers should be able to work along side with non-raphnet controllers

Author: cennis91

Makefile

@@ -92,7 +92,6 @@ endif
 ifneq (,$(findstring unix,$(platform)))
    TARGET := $(TARGET_NAME)_libretro.so
    LDFLAGS += -shared -Wl,--version-script=$(LIBRETRO_DIR)/link.T -Wl,--no-undefined
-   HAVE_RAPHNET_INPUT = 1
 
    ifeq ($(FORCE_GLES),1)
       GLES = 1
@@ -235,7 +234,6 @@ else ifneq (,$(findstring odroid64,$(platform)))
       GLES = 0
       GLES3= 1
       GL_LIB := -lGLESv3
-      HAVE_RAPHNET_INPUT = 1
    endif
 
    COREFLAGS += -DOS_LINUX

Makefile.common

@@ -404,9 +404,12 @@ SOURCES_C   += $(VIDEODIR_ANGRYLION)/interface.c \
 endif
 
 # raphnetraw and hidapi
+# FIXME windows build untested and probably incomplete
 ifeq ($(HAVE_RAPHNET_INPUT), 1)
+	CFLAGS   += -DHAVE_RAPHNET_INPUT
+	CXXFLAGS += -DHAVE_RAPHNET_INPUT
 	INCFLAGS += $(HIDAPI_INCFLAGS)
-	LDFLAGS += -ludev -ldl
+	LDFLAGS  += -ludev -ldl
 
 	SOURCES_C += $(ROOT_DIR)/custom/mupen64plus-input-raphnetraw/plugin_front.c \
 		$(INPUTDIR_RAPHNET)/src/plugin_back.c \

custom/mupen64plus-core/plugin/emulate_game_controller_via_libretro.c

@@ -22,6 +22,11 @@
 #include "emulate_game_controller_via_input_plugin.h"
 #include "plugin/plugin.h"
 
+#ifdef HAVE_RAPHNET_INPUT
+#include "mupen64plus-input-raphnetraw/plugin_front.h"
+#include "plugin_back.h"
+#endif
+
 #include "api/m64p_plugin.h"
 #include "device/controllers/game_controller.h"
 #include <libretro.h>
@@ -40,13 +45,15 @@ extern retro_input_state_t input_cb;
 extern struct retro_rumble_interface rumble;
 extern int pad_pak_types[4];
 extern int pad_present[4];
+extern int pad_rawdata[4];
 extern int astick_deadzone;
 extern int astick_sensitivity;
 extern int r_cbutton;
 extern int l_cbutton;
 extern int d_cbutton;
 extern int u_cbutton;
 extern bool alternate_mapping;
+extern int raw_input_adapter;
 static bool libretro_supports_bitmasks = false;
 
 extern m64p_rom_header ROM_HEADER;
@@ -73,6 +80,14 @@ void inputGetKeys_default( int Control, BUTTONS *Keys );
 typedef void (*get_keys_t)(int, BUTTONS*);
 static get_keys_t getKeys = inputGetKeys_default;
 
+void inputControllerCommand_default( int Control, unsigned char *Command );
+typedef void (*controller_command_t)(int, unsigned char*);
+static controller_command_t controllerCommand = inputControllerCommand_default;
+
+void inputReadController_default( int Control, unsigned char *Command );
+typedef void (*read_controller_t)(int, unsigned char*);
+static read_controller_t readController = inputReadController_default;
+
 static void inputGetKeys_default_descriptor(void)
 {
    if (alternate_mapping)
@@ -146,11 +161,31 @@ EXPORT m64p_error CALL inputPluginStartup(m64p_dynlib_handle CoreLibHandle, void
       libretro_supports_bitmasks = true;
    getKeys = inputGetKeys_default;
    inputGetKeys_default_descriptor();
+
+#ifdef HAVE_RAPHNET_INPUT
+   if (raw_input_adapter == 1)
+   {
+      controllerCommand = raphnetControllerCommand;
+      readController = raphnetReadController;
+      raphnetPluginStartup(CoreLibHandle, Context, DebugCallback);
+   }
+   else
+   {
+      controllerCommand = inputControllerCommand_default;
+      readController = inputReadController_default;
+   }
+#endif
+
    return M64ERR_SUCCESS;
 }
 
 EXPORT m64p_error CALL inputPluginShutdown(void)
 {
+#ifdef HAVE_RAPHNET_INPUT
+   if (raw_input_adapter == 1)
+      raphnetPluginShutdown();
+#endif
+
    libretro_supports_bitmasks = false;
    abort();
    return 0;
@@ -202,8 +237,14 @@ static unsigned char DataCRC( unsigned char *Data, int iLenght )
             initilize controller: 01 03 00 FF FF FF
             read controller:      01 04 01 FF FF FF FF
 *******************************************************************/
-EXPORT void CALL inputControllerCommand(int Control, unsigned char *Command)
+EXPORT void CALL inputControllerCommand_default(int Control, unsigned char *Command)
 {
+   if (controllerCommand != inputControllerCommand_default)
+   {
+      controllerCommand(Control, Command);
+      return;
+   }
+
     unsigned char *Data = &Command[5];
 
     if (Control == -1)
@@ -399,7 +440,7 @@ EXPORT void CALL inputInitiateControllers(CONTROL_INFO ControlInfo)
     {
        controller[i].control = ControlInfo.Controls + i;
        controller[i].control->Present = pad_present[i];
-       controller[i].control->RawData = 0;
+       controller[i].control->RawData = pad_rawdata[i];
 
        if (pad_pak_types[i] == PLUGIN_MEMPAK)
           controller[i].control->Plugin = PLUGIN_MEMPAK;
@@ -413,6 +454,20 @@ EXPORT void CALL inputInitiateControllers(CONTROL_INFO ControlInfo)
 
    getKeys = inputGetKeys_default;
    inputGetKeys_default_descriptor();
+
+#ifdef HAVE_RAPHNET_INPUT
+   if (raw_input_adapter == 1)
+   {
+      controllerCommand = raphnetControllerCommand;
+      readController = raphnetReadController;
+      pb_scanControllers();
+   }
+   else
+   {
+      controllerCommand = inputControllerCommand_default;
+      readController = inputReadController_default;
+   }
+#endif
 }
 
 /******************************************************************
@@ -426,9 +481,12 @@ EXPORT void CALL inputInitiateControllers(CONTROL_INFO ControlInfo)
   note:     This function is only needed if the DLL is allowing raw
             data.
 *******************************************************************/
-EXPORT void CALL inputReadController(int Control, unsigned char *Command)
+EXPORT void CALL inputReadController_default(int Control, unsigned char *Command)
 {
-   inputControllerCommand(Control, Command);
+   if (readController != inputReadController_default)
+      readController(Control, Command);
+   else
+      inputControllerCommand_default(Control, Command);
 }
 
 /******************************************************************
@@ -437,7 +495,12 @@ EXPORT void CALL inputReadController(int Control, unsigned char *Command)
   input:    none
   output:   none
 *******************************************************************/
-EXPORT void CALL inputRomClosed(void) { }
+EXPORT void CALL inputRomClosed(void) {
+#ifdef HAVE_RAPHNET_INPUT
+   if (raw_input_adapter == 1)
+      raphnetRomClosed();
+#endif
+}
 
 /******************************************************************
   Function: RomOpen
@@ -446,7 +509,29 @@ EXPORT void CALL inputRomClosed(void) { }
   input:    none
   output:   none
 *******************************************************************/
-EXPORT int CALL inputRomOpen(void) { return 1; }
+EXPORT int CALL inputRomOpen(void) {
+#ifdef HAVE_RAPHNET_INPUT
+   if (raw_input_adapter == 1)
+   {
+      bool all_unset = true;
+
+      for (int i = 0; i < 4; i++)
+      {
+         if (pad_rawdata[i] == 1)
+            all_unset = false;
+      }
+
+      // HACK: handle a special case if we enable raphnet support, but
+      // don't change any of the controllers to actually use raw data
+      if (all_unset)
+         raphnetPluginShutdown();
+      else
+         raphnetRomOpen();
+   }
+#endif
+
+   return 1;
+}
 
 
 int egcvip_is_connected(void* opaque, enum pak_type* pak)

custom/mupen64plus-input-raphnetraw/plugin_front.c

@@ -66,14 +66,33 @@ static int emu2adap_portmap[MAX_CONTROLLERS] = { 0, 2, 3, 1 };
 static int emu2adap_portmap[MAX_CONTROLLERS] = { 0, 1, 2, 3 };
 #endif
 
-#define EMU_2_ADAP_PORT(a)	((a) == -1 ? -1 : emu2adap_portmap[a])
+extern struct
+{
+    CONTROL *control;
+    BUTTONS buttons;
+} controller[4];
+static int pad_portmap[MAX_CONTROLLERS] = { -1, -1, -1, -1 };
+#define EMU_2_ADAP_PORT(a)	((a) == -1 ? -1 : pad_portmap[a])
 
 /* static data definitions */
 static void (*l_DebugCallback)(void *, int, const char *) = NULL;
 static void *l_DebugCallContext = NULL;
 static int l_PluginInit = 0;
 
 /* Global functions */
+void raphnetUpdatePortMap()
+{
+	int map = 0;
+
+	for( int i = 0; i < MAX_CONTROLLERS; i++ )
+	{
+		if (controller[i].control && controller[i].control->RawData == 1)
+			pad_portmap[i] = map++;
+		else
+			pad_portmap[i] = -1;
+    }
+}
+
 static void DebugMessage(int level, const char *message, ...)
 {
 	char msgbuf[1024];
@@ -252,7 +271,7 @@ EXPORT int CALL raphnetRomOpen(void)
 }
 
 /******************************************************************
-  Function: SDL_KeyDown
+  Function: raphnetSDL_KeyDown
   Purpose:  To pass the SDL_KeyDown message from the emulator to the
             plugin.
   input:    keymod and keysym of the SDL_KEYDOWN message.

custom/mupen64plus-input-raphnetraw/plugin_front.h

@@ -43,5 +43,19 @@
 
 #define PAK_IO_RUMBLE       0xC000      // the address where rumble-commands are sent to
 
+void raphnetUpdatePortMap();
+
+m64p_error raphnetPluginStartup(m64p_dynlib_handle CoreLibHandle, void *Context, void (*DebugCallback)(void *, int, const char *));
+m64p_error raphnetPluginShutdown(void);
+m64p_error raphnetPluginGetVersion(m64p_plugin_type *PluginType, int *PluginVersion, int *APIVersion, const char **PluginNamePtr, int *Capabilities);
+void raphnetInitiateControllers(CONTROL_INFO ControlInfo);
+void raphnetReadController(int Control, unsigned char *Command);
+void raphnetControllerCommand(int Control, unsigned char *Command);
+void raphnetGetKeys( int Control, BUTTONS *Keys );
+void raphnetRomClosed(void);
+int raphnetRomOpen(void);
+void raphnetSDL_KeyDown(int keymod, int keysym);
+void raphnetSDL_KeyUp(int keymod, int keysym);
+
 #endif // __PLUGIN_H__