1 files changed, 149 insertions, 0 deletions
diff --git a/src/game.cpp b/src/game.cpp
new file mode 100644
index 0000000..bd3c4c8
--- /dev/null
+++ b/src/game.cpp
@@ -0,0 +1,149 @@
+#include <unistd.h>
+#include "game.h"
+
+#include "game/world/draw.h"
+#include "render/gl_2d.h"
+#include "render/gl_3d.h"
+#include "render/gl_2d_font.h"
+
+#include "editor/editor.h"
+#include "game/assets.h"
+#include "game/vars.h"
+#include "game/objlist.h"
+#include "game/world/map.h"
+
+#include "gui.h"
+#include "render/gl_batch.h"
+#include "util.h"
+
+
+GAME_DATA* game_init( GL_DATA* gl ) {
+  GAME_DATA* game = (GAME_DATA*)malloc( sizeof( GAME_DATA ) );
+  memset( game, 0, sizeof(GAME_DATA) );
+  game->gl = gl;
+
+  VEC2 screensize = { (F32)gl->canvas_size[0], (F32)gl->canvas_size[1] };
+
+  game->shaders.gl2d = gl_2d_init( gl, screensize, "2d" );
+  game->shaders.gl2d_texcoord = gl_2d_init( gl, screensize, "2d_texcoord" );
+  game->shaders.gl3d = gl_3d_init( gl, screensize, "3d" );
+
+  game_create_batches( game );
+
+  assets_init( game );
+  assets_on_frame( game );
+  varl = vars_init();
+  objl = objl_init();
+
+#if IS_EDITOR
+  game->editor = editor_create( game );
+#else
+  gui_create( game );
+  game->state.ingame = 1;
+#endif
+
+  return game;
+}
+
+void game_create_batches( GAME_DATA *game ) {
+  game->render.batch_3d = gl_batch_create( game->gl, game->shaders.gl3d, &gl_3d_batch_setup );
+}
+
+#ifdef DEBUG
+void game_draw_fpsoverlay( GAME_DATA* game ) {
+  GL_DATA* gl = game->gl;
+  char buf[256];
+  sprintf( buf, "fps: %1.3f (%2.5f ms) %dx%d", gl->fps, gl->frametime, canvas[0], canvas[1] );
+
+  VEC2 dim = gl_font_dim( game->assets.font, buf );
+  gl_font_draw(
+    game->assets.font,
+    game->shaders.gl2d_texcoord,
+    s_tr({ -dim.x - 30.f, dim.y + 5.f }),
+    buf,
+    (CLR){ 1.f, 1.f, 1.f, 1.f }
+  );
+}
+
+void game_draw_fontoverlay( GAME_DATA* game ) {
+  for( U32 i = 0; i < 255; ++i ) {
+    char str[64];
+    sprintf( str, "%d:%c", i, (char)i );
+    gl_font_draw(
+      game->assets.jpn12,
+      game->shaders.gl2d_texcoord,
+      s_tl({ 10.f + ( i % 18 ) * 33,
+      280.f + floorf( i / 18.f ) * 14.f }),
+      str,
+      CLR::WHITE()
+    );
+  }
+}
+#endif
+
+WORLD_MAP* game_load_map( GAME_DATA* game, const char* mapname ) {
+  WORLD_MAP* m = map_from_file( game, mapname );
+  if( !m ) {
+    dlog( "game_load_map() : failed to load file %s", mapname );
+    return 0;
+  }
+
+  objl_load_world( game, m );
+  game->state.map = m;
+  return m;
+}
+
+void game_unload_map( GAME_DATA* game ) {
+  map_free( game, game->state.map );
+  game->state.map = 0;
+
+  objl_clear( 1 );
+}
+
+void game_draw( GAME_DATA* game ) {
+  if( !objl->pl || !objl->world ) {
+    game_load_map( game, "../assets/maps/test.hmap" );
+  }
+
+  VEC2 window = { 270.f, 25.f };
+  VEC2 winsize = { 480.f, 360.f };
+  gl_2d_rect( game->shaders.gl2d, window, winsize, (CLR){ 0.3f, 0.3f, 0.3f, 1.f } );
+  world_draw( game, objl->world, window, winsize );
+}
+
+void game_main_loop( GAME_DATA* game ) {
+  GL_DATA* gl = game->gl;
+  GL_SHADER_PROGRAM* gl2d = game->shaders.gl2d;
+
+  if( !assets_on_frame( game ) )
+    return;
+
+  gl_beginframe( gl );
+  gl_2d_frect( gl2d, s_tl(), s_br(), { 0.f, 0.f, 0.f, 1.f } );
+
+  if( game->state.ingame ) {
+    game_on_tick( game );
+    game_draw( game );
+  }
+
+  gui_onframe( game );
+
+#ifdef DEBUG
+  game_draw_fpsoverlay( game );
+#endif
+
+  if( !OK( gl_endframe( gl ) ) )
+    exit( 0 );
+}
+
+void game_on_tick( GAME_DATA* game ) {
+  U64 tick = u_tick();
+  if( tick - game->state.last_tick > (U64)(TICK_INTERVAL * 10000) ) {
+    player_input( game, objl->pl );
+    game->state.last_tick = tick;
+  }
+}
+
+void game_destroy( GAME_DATA *game ) {
+  free( game );
+}