Port to SDL2

2022-04-04 02:36:36 +02:00
parent 7e94c5053d
commit 48583e0b08
12 changed files with 63 additions and 60 deletions
--- a/src/Audio.c
+++ b/src/Audio.c
@@ -8,7 +8,7 @@
 #include <stdlib.h>
 #include <string.h>

-#include <SDL/SDL.h>
+#include <SDL.h>

 #include "Audio.h"
 #include "Util.h"
@@ -50,6 +50,8 @@ struct TAudioChan {
 AudioChan _channels = NULL;
 AudioChan _free_channels = NULL;

+static SDL_AudioDeviceID _audioDeviceID = 0;
+
 /////////////////////////////
 // Audio_Init
 //
@@ -58,11 +60,7 @@ int Audio_Init() {
 	SDL_AudioSpec as;
 	SDL_AudioSpec as2;

-// Initialize audio subsistem
-#ifdef WIN32
-	// Force DSound Driver on win32
-	putenv("SDL_AUDIODRIVER=dsound");
-#endif
+	// Initialize audio subsistem
 	if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) {
 		Print("Audio_Init: Failure initializing SDL Audio.\n");
 		Print("\tSDL Error: %s\n", SDL_GetError());
@@ -75,7 +73,8 @@ int Audio_Init() {
 	as.channels = 2;
 	as.samples = 2048;
 	as.callback = Audio_MixerCallback;
-	if (SDL_OpenAudio(&as, &as2) < 0) {
+	_audioDeviceID = SDL_OpenAudioDevice(NULL, 0, &as, &as2, 0);
+	if (_audioDeviceID == 0) {
 		Print("Audio_Init: Failure opening audio.\n");
 		Print("\tSDL Error: %s\n", SDL_GetError());
 		return (0);
@@ -89,7 +88,7 @@ int Audio_Init() {
 	}

 	// Unpause and ready to go
-	SDL_PauseAudio(0);
+	SDL_PauseAudioDevice(_audioDeviceID, 0);

 	return (1);
 }
--- a/src/Draw.c
+++ b/src/Draw.c
@@ -41,7 +41,7 @@
 #endif
 #endif
 #include "lodepng.c"
-#include <SDL/SDL.h>
+#include <SDL.h>

 #ifndef GL_CLAMP_TO_EDGE
 #define GL_CLAMP_TO_EDGE 0x812F
@@ -68,7 +68,8 @@ struct TDrawImage {
 };

 // Globals
-SDL_Surface *_screen = NULL;
+static SDL_Window *_window = NULL;
+static SDL_GLContext _glcontext = NULL;
 int _width;
 int _height;
 long long proc_t_frame = 33333;
@@ -186,13 +187,15 @@ int Draw_Init(int width, int height, char *title, int pfps, int fps) {
 	}

 	// Initialize video mode
-	_screen = SDL_SetVideoMode(width, height, 32, SDL_HWSURFACE | SDL_OPENGL);
-	if (_screen == NULL) {
+	_window = SDL_CreateWindow(title, SDL_WINDOWPOS_UNDEFINED,
+							   SDL_WINDOWPOS_UNDEFINED, width, height,
+							   SDL_WINDOW_OPENGL);
+	if (_window == NULL) {
 		Print("Draw_Init: Failure initializing video mode.\n");
 		Print("\tSDL Error: %s\n", SDL_GetError());
 		return (0);
 	}
-	SDL_WM_SetCaption(title, NULL);
+	_glcontext = SDL_GL_CreateContext(_window);
 	Draw_ShowInfo();

 #if USE_OpenGL
@@ -206,11 +209,11 @@ int Draw_Init(int width, int height, char *title, int pfps, int fps) {

 	// Triplebuffer swap
 	glClear(GL_COLOR_BUFFER_BIT);
-	SDL_GL_SwapBuffers();
+	SDL_GL_SwapWindow(_window);
 	glClear(GL_COLOR_BUFFER_BIT);
-	SDL_GL_SwapBuffers();
+	SDL_GL_SwapWindow(_window);
 	glClear(GL_COLOR_BUFFER_BIT);
-	SDL_GL_SwapBuffers();
+	SDL_GL_SwapWindow(_window);
 	glClear(GL_COLOR_BUFFER_BIT);

 	glEnableClientState(GL_COLOR_ARRAY);
@@ -470,7 +473,7 @@ int Draw_LoopIteration() {
 			Input_SetKey(InputKey_Exit, 1);
 		}
 		if (event.type == SDL_KEYDOWN) {
-			if (event.key.keysym.sym == SDLK_ESCAPE) {
+			if (event.key.keysym.sym == SDL_SCANCODE_ESCAPE) {
 				Input_SetKey(InputKey_Exit, 1);
 			}
 		}
@@ -517,7 +520,7 @@ int Draw_LoopIteration() {
 			}
 		}
 		if (event.type == SDL_KEYDOWN) {
-			if (event.key.keysym.sym == SDLK_ESCAPE) {
+			if (event.key.keysym.scancode == SDL_SCANCODE_ESCAPE) {
 				Input_SetKey(InputKey_Exit, 1);
 				if (!_draw_exitoverrided) {
 					_draw_looping = 0;
@@ -541,22 +544,6 @@ int Draw_LoopIteration() {
 	}
 #endif

-#ifndef EMSCRIPTEN
-	// Process keys for Draw
-	Uint8 *keys;
-	keys = (Uint8 *)SDL_GetKeyState(NULL);
-	if (keys[SDLK_F12]) {
-		// Screenshot key
-		char strFile[255];
-		int idx = -1;
-		do {
-			idx++;
-			snprintf(strFile, 255, "shot-%04d.png", idx);
-		} while (access(strFile, F_OK) != -1);
-		Draw_SaveScreenshoot(strFile);
-	}
-#endif
-
 	// Process
 	if (_proc_func) {
 		if (_accTime > 100000) {
@@ -574,7 +561,7 @@ int Draw_LoopIteration() {
 	Audio_Frame();

 	// Draw
-	SDL_GL_SwapBuffers();
+	SDL_GL_SwapWindow(_window);
 	if (_draw_func) {
 		_draw_func(_data, (float)_accTime / (float)proc_t_frame);
 		Draw_Flush();
@@ -1079,7 +1066,7 @@ void Draw_SaveRGBAToBMP(char *filename, unsigned char *data, int width,
 	surf = SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32, 0, 0, 0, 0);
 	surf->format->Amask = 0xFF000000;
 	surf->format->Ashift = 24;
-	SDL_SetAlpha(surf, SDL_SRCALPHA, 255);
+	//SDL_SetAlpha(surf, GL_SRC_ALPHA, 255);
 	SDL_LockSurface(surf);
 	memcpy(surf->pixels, data, width * height * 4);
 	SDL_UnlockSurface(surf);
--- a/src/GameLib.c
+++ b/src/GameLib.c
@@ -1,10 +1,11 @@
 // Copyright (C) 2011 Valeriano Alfonso Rodriguez (Kableado)

-#include <SDL/SDL.h>
+#include <SDL.h>
 #include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>

 #include "Anim.h"
 #include "Audio.h"
@@ -410,6 +411,20 @@ void GameLib_DrawLoop(void *data, float f) {

 	fdraw_count++;

+#ifndef EMSCRIPTEN
+	if (Input_GetKey(InputKey_Screenshot) == InputKey_Pressed) {
+		// Screenshot key
+		char strFile[255];
+		int idx = -1;
+		do {
+			idx++;
+			snprintf(strFile, 255, "shot-%04d.png", idx);
+		} while (access(strFile, F_OK) != -1);
+		Draw_SaveScreenshoot(strFile);
+		Print("Screenshot saved \"%s\"\n", strFile);
+	}
+#endif // EMSCRIPTEN
+
 	if (Input_GetKey(InputKey_DumpProfiling) == InputKey_Pressed &&
 		fproc_count > 0 && fdraw_count > 0) {
 		Print("Profiling:::::::::\n");
--- a/src/Input.c
+++ b/src/Input.c
@@ -1,6 +1,6 @@
 // Copyright (C) 2011 Valeriano Alfonso Rodriguez (Kableado)

-#include <SDL/SDL.h>
+#include <SDL.h>
 #include <math.h>
 #ifdef EMSCRIPTEN
 #define SDL_GetKeyState SDL_GetKeyboardState
@@ -43,20 +43,21 @@ void Input_Frame() {
 	Uint8 *keys;

 	// Get keyboard state
-	keys = (Uint8 *)SDL_GetKeyState(NULL);
+	keys = (Uint8 *)SDL_GetKeyboardState(NULL);

 	// Process Keys
-	Input_SetKey(InputKey_Action1, keys[SDLK_z] | keys[SDLK_o]);
-	Input_SetKey(InputKey_Action2, keys[SDLK_x] | keys[SDLK_p]);
-	Input_SetKey(InputKey_Up, keys[SDLK_UP] | keys[SDLK_w]);
-	Input_SetKey(InputKey_Down, keys[SDLK_DOWN] | keys[SDLK_s]);
-	Input_SetKey(InputKey_Left, keys[SDLK_LEFT] | keys[SDLK_a]);
-	Input_SetKey(InputKey_Right, keys[SDLK_RIGHT] | keys[SDLK_d]);
-	Input_SetKey(InputKey_Jump, keys[SDLK_SPACE]);
+	Input_SetKey(InputKey_Action1, keys[SDL_SCANCODE_Z] | keys[SDL_SCANCODE_O]);
+	Input_SetKey(InputKey_Action2, keys[SDL_SCANCODE_X] | keys[SDL_SCANCODE_P]);
+	Input_SetKey(InputKey_Up, keys[SDL_SCANCODE_UP] | keys[SDL_SCANCODE_W]);
+	Input_SetKey(InputKey_Down, keys[SDL_SCANCODE_DOWN] | keys[SDL_SCANCODE_S]);
+	Input_SetKey(InputKey_Left, keys[SDL_SCANCODE_LEFT] | keys[SDL_SCANCODE_A]);
+	Input_SetKey(InputKey_Right, keys[SDL_SCANCODE_RIGHT] | keys[SDL_SCANCODE_D]);
+	Input_SetKey(InputKey_Jump, keys[SDL_SCANCODE_SPACE]);
 	Input_SetKey(InputKey_Continue,
-				 keys[SDLK_RETURN] | keys[SDLK_KP_ENTER] | _pointerDown);
+				 keys[SDL_SCANCODE_RETURN] | keys[SDL_SCANCODE_RETURN2] | keys[SDL_SCANCODE_KP_ENTER] | _pointerDown);

-	Input_SetKey(InputKey_DumpProfiling, keys[SDLK_m]);
+	Input_SetKey(InputKey_DumpProfiling, keys[SDL_SCANCODE_M]);
+	Input_SetKey(InputKey_Screenshot, keys[SDL_SCANCODE_F12]);
 }

 /////////////////////////////
--- a/src/Input.h
+++ b/src/Input.h
@@ -39,6 +39,7 @@ typedef enum {
 	InputKey_Exit,

 	InputKey_DumpProfiling,
+	InputKey_Screenshot,

 	InputKey_Max
 } InputKey;
--- a/src/Util.c
+++ b/src/Util.c
@@ -4,7 +4,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <time.h>

 #include "Util.h"