From 0b0d7fc17b2e861aedcdb84cbddd73fd2e8ab68d Mon Sep 17 00:00:00 2001
From: Gerasim Troeglazov <3dEyes@gmail.com>
Date: Sun, 31 May 2020 14:24:42 +1000
Subject: Fixes for Haiku


diff --git a/bh.h b/bh.h
index 4c366ac..498d3a8 100644
--- a/bh.h
+++ b/bh.h
@@ -33,7 +33,9 @@ GNU General Public License for more details.
 #define HAVE_GL_GLX_H 
 //#define HAVE_GL_GLES1
 #define HAVE_SYS_TIME_H 
+#ifndef __HAIKU__
 #define USE_STENCIL_BUFFER
+#endif
 
 // --------------------------------------------------------------------
 //			includes
diff --git a/game_config.cpp b/game_config.cpp
index edad5ba..7696dc4 100644
--- a/game_config.cpp
+++ b/game_config.cpp
@@ -47,6 +47,12 @@ Then edit the below functions:
 #include "course.h"
 #include "game_ctrl.h"
 
+#ifdef __HAIKU__
+#include <libgen.h>
+#include <Path.h>
+#include <FindDirectory.h>
+#endif
+
 TParam param;
 
 
@@ -92,8 +98,13 @@ void LoadConfigFile () {
 }
 
 void SetConfigDefaults () {
+#ifdef __HAIKU__
+	param.fullscreen = false;
+	param.res_type = 1;
+#else
 	param.fullscreen = true;
 	param.res_type = 0; // 0=auto / 1=800x600 / 2=1024x768 ...
+#endif
  	param.perf_level = 3;	// detail level
 	param.language = 0;
 	param.sound_volume = 100;
@@ -293,6 +304,19 @@ void InitConfig (char *arg0) {
 	param.config_dir = "config";
 	param.data_dir = "data";
 	param.configfile = param.config_dir + SEP + "options.txt";
+#elif defined(__HAIKU__)
+	BPath settings_dir;
+	if (!find_directory(B_USER_SETTINGS_DIRECTORY, &settings_dir, true, NULL))
+		settings_dir.SetTo("/boot/home/config/settings/");
+	settings_dir.Append("ExtremeTuxRacer");
+	param.prog_dir = dirname(realpath(arg0, NULL));
+
+	param.config_dir = settings_dir.Path();
+	if (!DirExists (param.config_dir.c_str()))
+	mkdir (param.config_dir.c_str(), 0775);
+
+	param.data_dir = param.prog_dir + SEP + "data";
+	param.configfile = param.config_dir + SEP + "options";
 #else
 	char buff[256];
 	if (strcmp (arg0, "./etr") == 0) { 		// start from work directory
diff --git a/winsys.cpp b/winsys.cpp
index ab60089..60d8696 100644
--- a/winsys.cpp
+++ b/winsys.cpp
@@ -135,22 +135,31 @@ void CWinsys::SetupVideoMode (TScreenRes resolution) {
 #if !defined(HAVE_GL_GLES1)
 	window_flags |= SDL_WINDOW_OPENGL;
 #endif
+#ifdef __HAIKU__
+	window_flags |= SDL_WINDOW_SHOWN;
+	if (window !=NULL) {
+		SaveConfigFile ();
+		string appname = param.prog_dir + SEP + "ExtremeTuxRacer &";
+		system(appname.c_str());
+		Quit();
+	}
+#endif
 
-	window = SDL_CreateWindow(WINDOW_TITLE, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, resolution.width, resolution.height, window_flags);
+	window = SDL_CreateWindow(WINDOW_TITLE, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, resolution.width, resolution.height, window_flags);
 	if (NULL == window) {
 		Message ("couldn't initialize video",  SDL_GetError()); 
 		Message ("set to 800 x 600");
-		window = SDL_CreateWindow (WINDOW_TITLE, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 800, 600, window_flags);
+		window = SDL_CreateWindow (WINDOW_TITLE, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 800, 600, window_flags);
 		param.res_type = 1;
 		SaveConfigFile ();
 	}
-
+#ifndef __HAIKU__
 	renderer = SDL_CreateRenderer(window, -1, 0);
 
 	SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
 	SDL_RenderClear(renderer);
 	SDL_RenderPresent(renderer);
-
+#endif
 	SDL_GetWindowSize(window, &param.x_resolution, &param.y_resolution);
 	if (resolution.width == 0 && resolution.height == 0) {
 		auto_x_resolution = param.x_resolution;
-- 
2.26.0