1 files changed, 107 insertions, 5 deletions

diff --git a/sdl/platform.c b/sdl/platform.c
index aba5789..a44bfd4 100644
--- a/sdl/platform.c
+++ b/sdl/platform.c
@@ -6,11 +6,17 @@
  *
  */
 
+#include <lauxlib.h>
+#include <lualib.h>
 #include <SDL/SDL.h>
 #include <SDL/SDL_image.h>
 #include <GL/glew.h>
+#include <string.h>
+#include "gldraw.h"
 #include "gltools.h"
+#include "luatools.h"
 #include "platform.h"
+#include "sdltools.h"
 
 /* few light arrays */
 const GLfloat fNoLight[]     = { 0.0f, 0.0f, 0.0f, 1.0f    };
@@ -23,13 +29,109 @@ const GLfloat fBrightLight[] = { 1.0f, 1.0f, 1.0f, 1.0f    };
 const GLfloat lightPos[]    = { -10.f, 5.0f, 5.0f, 1.0f   };
 
 /* variables that should be already defined and declared for us by main program */
-extern const unsigned int xres_w;
-extern const unsigned int yres_w;
-extern const unsigned int bpp_w;
-extern const unsigned int af_w;
-extern const unsigned int sdl_video_flags;
+extern unsigned int xres_w;
+extern unsigned int yres_w;
+extern unsigned int bpp_w;
+extern unsigned int af_w;
 extern const char *window_caption;
 extern const char *window_icon_path;
+extern const unsigned int sdl_video_flags;
+extern unsigned int maxfps_w;
+
+void platform_init(struct platform *p)
+{
+    memset(p, 0, sizeof(struct platform));
+
+    /* Lua */
+    /* create new lua state */
+    p->L = luaL_newstate();
+
+    /* load lua libraries */
+    luaL_openlibs(p->L);
+
+    /* ToDo: how would you make platform more generic? */
+    /* note, this should be already zero'ed out */
+    memset(&p->config_table, 0, sizeof(p->config_table));
+
+    /* initialize SDL, GLEW, and OpenGL */
+    load_config(p);
+    p->screen = setup_sdl();
+    setup_glew();
+    setup_opengl();
+
+    /* set the camera to <0,0,0> */
+    glframe_reset(&p->camera);
+    p->textures[0] = gltLoadTGATexture("stone.tga");
+    p->textures[1] = gltLoadTGATexture("grass.tga");
+
+    /* display list, precompile commands */
+    p->ground_list   = glGenLists(2);
+    p->triangle_list = p->ground_list + 1;
+
+    /* a triangle with a texture */
+    glNewList(p->triangle_list, GL_COMPILE);
+       glBindTexture(GL_TEXTURE_2D, p->textures[0]);
+       /* glBindTexture(GL_TEXTURE_2D, p->textures[1]); */
+       glColor3f(1.0f, 1.0f, 1.0f);
+       glDrawTriangle();
+    glEndList();
+
+    /* a ground drawn using magneta lines */
+    glNewList(p->ground_list, GL_COMPILE);
+       glColor3ub(255, 0, 255);
+       glDrawGround();
+    glEndList();
+
+    /* add a simple timer / callback function */
+    p->timer_id = SDL_AddTimer(5000, sdlTimerCallback, &(p->camera));
+
+    /* apply a custom cursor */
+    p->my_cursor = sdlInitCursor(arrow);
+    SDL_SetCursor(p->my_cursor);
+}
+
+void platform_destroy(struct platform *p)
+{
+    glDeleteTextures(2, p->textures);
+    glDeleteLists(p->ground_list, 2);
+
+    SDL_FreeSurface(p->screen);
+
+    lua_close(p->L);
+}
+
+/* load Lua config file from the disk */
+void load_config(struct platform *p)
+{
+    if (luaLoadConfig(p->L, "config.lua") ||
+        luaFillTablePlatform(p->L, &p->config_table) != -1)
+    {
+        /* print was was loaded from config.lua to stdout */
+        luaPrintTablePlatform(&p->config_table);
+
+        /* override any globals that config.lua redefines */
+        if (p->config_table.xres)
+            xres_w = p->config_table.xres;
+
+        if (p->config_table.yres)
+            yres_w = p->config_table.yres;
+
+        if (p->config_table.bpp)
+            bpp_w = p->config_table.bpp;
+
+        if (p->config_table.af)
+            af_w = p->config_table.af;
+
+        if (p->config_table.name)
+            window_caption = p->config_table.name;
+
+        if (p->config_table.icon)
+            window_icon_path = p->config_table.icon;
+
+        if (p->config_table.maxfps)
+            maxfps_w = p->config_table.maxfps;
+    }
+}
 
 void setup_opengl(void)
 {