Ports: Add GLTron

The patches mainly convert this SDL1 game to SDL2. It has some graphical artifacts, but it's playable!
2025-07-31 17:37:46 +00:00 · 2022-01-11 02:09:10 +01:00 · 2022-01-11 02:09:10 +01:00 · c7e021c1f1
commit c7e021c1f1
parent 1c2e07d42a
10 changed files with 234 additions and 0 deletions
--- a/Ports/gltron/patches/config.sub.patch
+++ b/Ports/gltron/patches/config.sub.patch
@ -0,0 +1,11 @@
+--- gltron-0.70/config.sub	2002-03-23 17:40:17.000000000 +0000
+++ gltron-0.70-patched/config.sub	2022-01-09 23:05:14.342418312 +0000
+@@ -1070,7 +1070,7 @@
+ 	      | -interix* | -uwin* | -rhapsody* | -darwin* | -opened* \
+ 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+ 	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
+-	      | -os2* | -vos*)
+	      | -os2* | -vos* | -serenity*)
+ 	# Remember, each alternative MUST END IN *, to match a version number.
+ 		;;
+ 	-qnx*)
--- a/Ports/gltron/patches/configure.patch
+++ b/Ports/gltron/patches/configure.patch
@ -0,0 +1,29 @@
+--- gltron-0.70/configure	2003-12-14 09:00:19.000000000 +0000
+++ gltron-0.70-patched/configure	2022-01-10 00:11:14.467260522 +0000
+@@ -2805,7 +2805,7 @@
+   RANLIB="$ac_cv_prog_RANLIB"
+ fi
+ 
+-CFLAGS="-DSEPARATOR=\"'/'\""
+CFLAGS="$CFLAGS -DSEPARATOR=\"'/'\""
+ 
+ # Check whether --enable-warn or --disable-warn was given.
+ if test "${enable_warn+set}" = set; then
+@@ -3130,7 +3130,7 @@
+   echo $ECHO_N "(cached) $ECHO_C" >&6
+ else
+   ac_check_lib_save_LIBS=$LIBS
+-LIBS="-lGL  $LIBS"
+LIBS="-lgl  $LIBS"
+ cat >conftest.$ac_ext <<_ACEOF
+ #line 3135 "configure"
+ #include "confdefs.h"
+@@ -3171,7 +3171,7 @@
+ #define HAVE_LIBGL 1
+ EOF
+ 
+-  LIBS="-lGL $LIBS"
+  LIBS="-lgl $LIBS"
+ 
+ else
+   { { echo "$as_me:3177: error: OpenGL is not installed" >&5
--- a/Ports/gltron/patches/game_init_sdl_c.patch
+++ b/Ports/gltron/patches/game_init_sdl_c.patch
@ -0,0 +1,10 @@
+--- gltron-0.70/src/game/init_sdl.c	2003-07-13 13:47:58.000000000 +0000
+++ gltron-0.70-patched/src/game/init_sdl.c	2022-01-10 00:57:00.255732917 +0000
+@@ -22,7 +22,6 @@
+ 
+ void inputInit(void) {
+ 	/* keyboard */
+-  SDL_EnableKeyRepeat(0, 0); /* turn keyrepeat off */
+   
+ 	/* joystick */
+ 	if(SDL_Init(SDL_INIT_JOYSTICK) >= 0) {
--- a/Ports/gltron/patches/lua_makefile_in.patch
+++ b/Ports/gltron/patches/lua_makefile_in.patch
@ -0,0 +1,22 @@
+--- gltron-0.70/lua/src/lib/Makefile.in	2003-12-14 09:00:20.000000000 +0000
+++ gltron-0.70-patched/lua/src/lib/Makefile.in	2022-01-10 00:05:42.499282291 +0000
+@@ -82,7 +82,7 @@
+ 
+ DEFS = 
+ CPPFLAGS = 
+-CFLAGS = -ansi -pedantic -Wall -I$(srcdir)/.. -I$(top_srcdir)/lua/include
+CFLAGS = -pedantic -Wall -I$(srcdir)/.. -I$(top_srcdir)/lua/include
+ LDFLAGS = 
+ LIBS = -lm
+ 
+--- gltron-0.70/lua/src/Makefile.in	2003-12-14 09:00:20.000000000 +0000
+++ gltron-0.70-patched/lua/src/Makefile.in	2022-01-10 00:05:33.643271402 +0000
+@@ -84,7 +84,7 @@
+ 
+ DEFS = 
+ AM_CPPFLAGS = 
+-AM_CFLAGS = -ansi -pedantic -Wall -I$(srcdir) -I$(top_srcdir)/lua/include
+AM_CFLAGS = -pedantic -Wall -I$(srcdir) -I$(top_srcdir)/lua/include
+ LDFLAGS = 
+ LIBS = -lm
+ 
--- a/Ports/gltron/patches/nebu_input_system_c.patch
+++ b/Ports/gltron/patches/nebu_input_system_c.patch
@ -0,0 +1,25 @@
+--- gltron-0.70/nebu/input/input_system.c	2003-07-16 20:23:38.000000000 +0000
+++ gltron-0.70-patched/nebu/input/input_system.c	2022-01-10 00:40:05.362550537 +0000
+@@ -6,18 +6,19 @@
+ #include "SDL.h"
+ #include <stdlib.h>
+ 
+extern SDL_Window* window;
+ static float joystick_threshold = 0;
+ 
+ void SystemGrabInput() {
+-  SDL_WM_GrabInput(SDL_GRAB_ON);
+  SDL_SetWindowGrab(window, SDL_TRUE);
+ }
+ 
+ void SystemUngrabInput() {
+-  SDL_WM_GrabInput(SDL_GRAB_OFF);
+  SDL_SetWindowGrab(window, SDL_FALSE);
+ }
+ 
+ void SystemWarpPointer(int x, int y) {
+-  SDL_WarpMouse(x, y);
+  SDL_WarpMouseInWindow(window, x, y);
+ }
+ 
+ void SystemHidePointer() {
--- a/Ports/gltron/patches/nebu_scripting_h.patch
+++ b/Ports/gltron/patches/nebu_scripting_h.patch
@ -0,0 +1,15 @@
+--- gltron-0.70/nebu/include/scripting/nebu_scripting.h	2003-12-12 09:01:13.000000000 +0000
+++ gltron-0.70-patched/nebu/include/scripting/nebu_scripting.h	2022-01-10 00:21:06.346024766 +0000
+@@ -18,9 +18,9 @@
+ extern int scripting_CopyStringResult(char *s, int len);
+ 
+ 
+-extern void scripting_RunFile(const char *name);
+-extern void scripting_Run(const char *command);
+-extern void scripting_RunFormat(const char *format, ...);
+extern void scripting_RunFile(char *name);
+extern void scripting_Run(char *command);
+extern void scripting_RunFormat(char *format, ...);
+ extern void scripting_RunGC();
+ extern void scripting_Register(const char *name, int(*func) (lua_State *L));
+ 
--- a/Ports/gltron/patches/nebu_video_system_c.patch
+++ b/Ports/gltron/patches/nebu_video_system_c.patch
@ -0,0 +1,63 @@
+--- gltron-0.70/nebu/video/video_system.c	2003-07-21 08:18:57.000000000 +0000
+++ gltron-0.70-patched/nebu/video/video_system.c	2022-01-10 00:39:53.078575380 +0000
+@@ -1,16 +1,17 @@
+ #include "Nebu_video.h"
+ 
+-#include "SDL.h"
+#include "SDL.h"
+ #include "SDL_opengl.h"
+ 
+-static SDL_Surface *screen;
+SDL_Window* window;
+static SDL_GLContext glcontext;
+ static int width, height;
+ static int flags;
+ static int fullscreen;
+ extern int video_initialized;
+ 
+ void SystemSwapBuffers() {
+-  SDL_GL_SwapBuffers();
+  SDL_GL_SwapWindow(window);
+ }
+ 
+ void SystemInitWindow(int x, int y, int w, int h) {
+@@ -50,21 +51,22 @@
+ }
+ 
+ void SystemSetGamma(float red, float green, float blue) {
+-  SDL_SetGamma(red, green, blue);
+  SDL_SetWindowBrightness(window, (red + green + blue) / 3);
+ }
+ 
+ int SystemCreateWindow(char *name) {
+-  int f = SDL_OPENGL;
+  int f = SDL_WINDOW_OPENGL;
+   if(fullscreen & SYSTEM_FULLSCREEN)
+-    f |= SDL_FULLSCREEN;
+-  if( (screen = SDL_SetVideoMode( width, height, 0, f )) == NULL ) {
+    f |= SDL_WINDOW_FULLSCREEN;
+  if( (window = SDL_CreateWindow("GLTron", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, f )) == NULL ) {
+     fprintf(stderr, "[system] Couldn't set GL mode: %s\n", SDL_GetError());
+     exit(1); /* OK: critical, no visual */
+   }
+-  SDL_WM_SetCaption("GLtron", "");
+-  glClearColor(0,0,0,0);
+-  glClear(GL_COLOR_BUFFER_BIT);
+-  SDL_GL_SwapBuffers();
+  glcontext = SDL_GL_CreateContext(window);
+  SDL_SetWindowTitle(window, "GLtron");
+  glClearColor(0,0,0,0);
+  glClear(GL_COLOR_BUFFER_BIT);
+  SDL_GL_SwapWindow(window);
+   return 1;
+ }
+ 
+@@ -76,7 +78,7 @@
+ 	/* there used to be some problems (memory leaks, unprober driver unloading)
+ 	 * caused by this, but I can't remember what they where
+ 	 */
+-		 
+	SDL_GL_DeleteContext(glcontext);
+   SDL_QuitSubSystem(SDL_INIT_VIDEO);
+   video_initialized = 0;
+ }
--- a/Ports/gltron/patches/scripts_config_lua.patch
+++ b/Ports/gltron/patches/scripts_config_lua.patch
@ -0,0 +1,31 @@
+--- gltron-0.70/scripts/config.lua	2003-12-12 09:01:14.000000000 +0000
+++ gltron-0.70-patched/scripts/config.lua	2022-01-11 01:05:39.007703324 +0000
+@@ -90,18 +90,18 @@
+ 
+ settings.keys = { 
+    { -- player 1
+-      left = 97, -- lower case 'a'
+-      right = 115, -- lower case 's'
+-      glance_left = 113, -- lower case 'q'
+-      glance_right = 119, -- lower case 'w'
+-			boost = 101, -- lower case 'd'
+      left = 65, -- lower case 'a'
+      right = 83, -- lower case 's'
+      glance_left = 81, -- lower case 'q'
+      glance_right = 87, -- lower case 'w'
+			boost = 68, -- lower case 'd'
+    },
+    { -- player 2
+-      left = 106, -- lower case 'j'
+-      right = 107, -- lower case 'k'
+-      glance_left = 117, -- lower case 'u'
+-      glance_right = 105, -- lower case 'i'
+-			boost = 108, -- lower case 'l'
+      left = 74, -- lower case 'j'
+      right = 75, -- lower case 'k'
+      glance_left = 85, -- lower case 'u'
+      glance_right = 73, -- lower case 'i'
+			boost = 76, -- lower case 'l'
+    },
+    { -- player 3
+       left = 276, -- cursor left