shithub: zelda3

Download patch

ref: 02754b2f0937d94bb90f7f742f4f7aa6dad06bd4
parent: 7052926b8e5caf0881bf16555766b9b46ae7678e
author: Jacob Moody <moody@posixcafe.org>
date: Mon Sep 4 21:23:19 EDT 2023 

more function cleanup and temporary ifdefs


--- a/src/audio.c
+++ b/src/audio.c
@@ -160,7 +160,9 @@
 static void MsuPlayer_CloseFile(MsuPlayer *mp) {

   if (mp->f)

     fclose(mp->f);

+#ifndef __plan9__
   opus_decoder_destroy(mp->opus);

+#endif
   mp->opus = NULL;

   mp->f = NULL;

   if (mp->state != kMsuState_FinishedPlaying)

@@ -221,6 +223,7 @@
   mp->range_repeat = mp->resume_info.range_repeat;

   mp->buffer_size = mp->buffer_pos = 0;

   mp->preskip = 0;

+#ifndef __plan9__
   if (file_tag == (('Z' << 24) | ('U' << 16) | ('P' << 8) | 'O')) {

     mp->opus = opus_decoder_create(48000, 2, NULL);

     if (!mp->opus)

@@ -235,6 +238,7 @@
   } else {

     goto READ_ERROR;

   }

+#endif
 }

 

 static void MixToBufferWithVolume(int16 *dst, const int16 *src, size_t n, float volume) {

@@ -283,6 +287,7 @@
 

 void MsuPlayer_Mix(MsuPlayer *mp, int16 *audio_buffer, int audio_samples) {

   int r;

+#ifndef __plan9__
 

   do {

     if (mp->buffer_size - mp->buffer_pos == 0) {

@@ -394,6 +399,7 @@
 #endif

     audio_samples -= nr, audio_buffer += nr * 2;

   } while (audio_samples != 0);

+#endif
 }

 

 // Maintain a queue cause the snes and audio callback are not in sync.

--- a/src/config.c
+++ b/src/config.c
@@ -15,6 +15,9 @@
 

 Config g_config;

 

+#ifdef __plan9__
+enum { SDLK_SCANCODE_MASK = (1 << 30) };
+#endif
 #define REMAP_SDL_KEYCODE(key) ((key) & SDLK_SCANCODE_MASK ? kKeyMod_ScanCode : 0) | (key) & (kKeyMod_ScanCode - 1)

 #define _(x) REMAP_SDL_KEYCODE(x)

 #define S(x) REMAP_SDL_KEYCODE(x) | kKeyMod_Shift

--- a/src/main.c
+++ b/src/main.c
@@ -12,6 +12,9 @@
 #include <sys/types.h>

 #include <unistd.h>

 #endif

+#ifdef __plan9__
+#include <SDL2/SDL_mixer.h>
+#endif
 

 #include "snes/ppu.h"

 

@@ -31,7 +34,7 @@
 

 // Forwards

 static bool LoadRom(const char *filename);

-static void LoadLinkGraphics();

+static void LoadLinkGraphics(void);

 static void RenderNumber(uint8 *dst, size_t pitch, int n, bool big);

 static void HandleInput(int keyCode, int modCode, bool pressed);

 static void HandleCommand(uint32 j, bool pressed);

@@ -40,8 +43,8 @@
 static void HandleGamepadAxisInput(int gamepad_id, int axis, int value);

 static void OpenOneGamepad(int i);

 static void HandleVolumeAdjustment(int volume_adjustment);

-static void LoadAssets();

-static void SwitchDirectory();

+static void LoadAssets(void);

+static void SwitchDirectory(void);

 

 enum {

   kDefaultFullscreen = 0,

@@ -144,7 +147,7 @@
   return SDL_HITTEST_NORMAL;

 }

 

-static void DrawPpuFrameWithPerf() {

+static void DrawPpuFrameWithPerf(void) {

   int render_scale = PpuGetCurrentRenderScale(g_zenv.ppu, g_ppu_render_flags);

   uint8 *pixel_buffer = 0;

   int pitch = 0;

@@ -185,6 +188,7 @@
       g_audiobuffer_end = g_audiobuffer + g_frames_per_block * g_audio_channels * sizeof(int16);

     }

     int n = IntMin(len, g_audiobuffer_end - g_audiobuffer_cur);

+#ifndef __plan9__
     if (g_sdl_audio_mixer_volume == SDL_MIX_MAXVOLUME) {

       memcpy(stream, g_audiobuffer_cur, n);

     } else {

@@ -191,6 +195,9 @@
       SDL_memset(stream, 0, n);

       SDL_MixAudioFormat(stream, g_audiobuffer_cur, AUDIO_S16, n, g_sdl_audio_mixer_volume);

     }

+#else
+    memcpy(stream, g_audiobuffer_cur, n);

+#endif
     g_audiobuffer_cur += n;

     stream += n;

     len -= n;

@@ -217,6 +224,7 @@
     printf("Failed to create renderer: %s\n", SDL_GetError());

     return false;

   }

+#ifndef __plan9__
   SDL_RendererInfo renderer_info;

   SDL_GetRendererInfo(renderer, &renderer_info);

   if (kDebugFlag) {

@@ -225,6 +233,7 @@
       printf(" %s", SDL_GetPixelFormatName(renderer_info.texture_formats[i]));

     printf("\n");

   }

+#endif
   g_renderer = renderer;

   if (!g_config.ignore_aspect_ratio)

     SDL_RenderSetLogicalSize(renderer, g_snes_width, g_snes_height);

@@ -241,7 +250,7 @@
   return true;

 }

 

-static void SdlRenderer_Destroy() {

+static void SdlRenderer_Destroy(void) {

   SDL_DestroyTexture(g_texture);

   SDL_DestroyRenderer(g_renderer);

 }

@@ -255,7 +264,7 @@
   }

 }

 

-static void SdlRenderer_EndDraw() {

+static void SdlRenderer_EndDraw(void) {

 

 //  uint64 before = SDL_GetPerformanceCounter();

   SDL_UnlockTexture(g_texture);

@@ -276,7 +285,9 @@
 

 void OpenGLRenderer_Create(struct RendererFuncs *funcs, bool use_opengl_es);

 

+#ifndef __plan9__
 #undef main

+#endif
 int main(int argc, char** argv) {

   argc--, argv++;

   const char *config_file = NULL;

@@ -336,6 +347,9 @@
   int window_width  = custom_size ? g_config.window_width  : g_current_window_scale * g_snes_width;

   int window_height = custom_size ? g_config.window_height : g_current_window_scale * g_snes_height;

 

+#ifdef __plan9__
+  g_renderer_funcs = kSdlRendererFuncs;

+#else
   if (g_config.output_method == kOutputMethod_OpenGL ||

       g_config.output_method == kOutputMethod_OpenGL_ES) {

     g_win_flags |= SDL_WINDOW_OPENGL;

@@ -343,6 +357,7 @@
   } else {

     g_renderer_funcs = kSdlRendererFuncs;

   }

+#endif
 

   SDL_Window* window = SDL_CreateWindow(kWindowTitle, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, window_width, window_height, g_win_flags);

   if(window == NULL) {

@@ -350,7 +365,9 @@
     return 1;

   }

   g_window = window;

+#ifndef __plan9__
   SDL_SetWindowHitTest(window, HitTestCallback, NULL);

+#endif
 

   if (!g_renderer_funcs.Initialize(window))

     return 1;

@@ -403,6 +420,7 @@
   while(running) {

     while(SDL_PollEvent(&event)) {

       switch(event.type) {

+#ifndef __plan9__
       case SDL_CONTROLLERDEVICEADDED:

         OpenOneGamepad(event.cdevice.which);

         break;

@@ -416,6 +434,7 @@
           HandleGamepadInput(b, event.type == SDL_CONTROLLERBUTTONDOWN);

         break;

       }

+#endif
       case SDL_MOUSEWHEEL:

         if (SDL_GetModState() & KMOD_CTRL && event.wheel.y != 0)

           ChangeWindowScale(event.wheel.y > 0 ? 1 : -1);

@@ -584,11 +603,11 @@
   SDL_UnlockMutex(g_audio_mutex);

 }

 

-void ZeldaApuLock() {

+void ZeldaApuLock(void) {

   SDL_LockMutex(g_audio_mutex);

 }

 

-void ZeldaApuUnlock() {

+void ZeldaApuUnlock(void) {

   SDL_UnlockMutex(g_audio_mutex);

 }

 

@@ -656,15 +675,18 @@
 }

 

 static void OpenOneGamepad(int i) {

+#ifndef __plan9__
   if (SDL_IsGameController(i)) {

     SDL_GameController *controller = SDL_GameControllerOpen(i);

     if (!controller)

       fprintf(stderr, "Could not open gamepad %d: %s\n", i, SDL_GetError());

   }

+#endif
 }

 

 static int RemapSdlButton(int button) {

   switch (button) {

+#ifndef __plan9__
   case SDL_CONTROLLER_BUTTON_A: return kGamepadBtn_A;

   case SDL_CONTROLLER_BUTTON_B: return kGamepadBtn_B;

   case SDL_CONTROLLER_BUTTON_X: return kGamepadBtn_X;

@@ -680,6 +702,7 @@
   case SDL_CONTROLLER_BUTTON_DPAD_DOWN: return kGamepadBtn_DpadDown;

   case SDL_CONTROLLER_BUTTON_DPAD_LEFT: return kGamepadBtn_DpadLeft;

   case SDL_CONTROLLER_BUTTON_DPAD_RIGHT: return kGamepadBtn_DpadRight;

+#endif
   default: return -1;

   }

 }

@@ -728,6 +751,7 @@
 }

 

 static void HandleGamepadAxisInput(int gamepad_id, int axis, int value) {

+#ifndef __plan9__
   static int last_gamepad_id, last_x, last_y;

   if (axis == SDL_CONTROLLER_AXIS_LEFTX || axis == SDL_CONTROLLER_AXIS_LEFTY) {

     // ignore other gamepads unless they have a big input

@@ -761,6 +785,7 @@
     if (value < 12000 || value >= 16000)  // hysteresis

       HandleGamepadInput(axis == SDL_CONTROLLER_AXIS_TRIGGERLEFT ? kGamepadBtn_L2 : kGamepadBtn_R2, value >= 12000);

   }

+#endif
 }

 

 static bool LoadRom(const char *filename) {

@@ -793,7 +818,7 @@
   return true;

 }

 

-static void LoadLinkGraphics() {

+static void LoadLinkGraphics(void) {

   if (g_config.link_graphics) {

     fprintf(stderr, "Loading Link Graphics: %s\n", g_config.link_graphics);

     size_t length = 0;

@@ -808,7 +833,7 @@
 const uint8 *g_asset_ptrs[kNumberOfAssets];

 uint32 g_asset_sizes[kNumberOfAssets];

 

-static void LoadAssets() {

+static void LoadAssets(void) {

   size_t length = 0;

   uint8 *data = ReadWholeFile("zelda3_assets.dat", &length);

   if (!data) {

@@ -828,7 +853,10 @@
   static const char kAssetsSig[] = { kAssets_Sig };

 

   if (length < 16 + 32 + 32 + 8 + kNumberOfAssets * 4 ||

+#ifndef __plan9__
+/* FIXME */
       memcmp(data, kAssetsSig, 48) != 0 ||

+#endif
       *(uint32*)(data + 80) != kNumberOfAssets)

     Die("Invalid assets file");

 

@@ -852,7 +880,7 @@
 }

 

 // Go some steps up and find zelda3.ini

-static void SwitchDirectory() {

+static void SwitchDirectory(void) {

   char buf[4096];

   if (!getcwd(buf, sizeof(buf) - 32))

     return;