marblecomp.c

   1 #define VG_GAME
   2 #define VG_AUDIO_FORCE_COMPRESSED
   3 #define VG_2D
   4 #define VG_LOG_SOURCE_INFO
   5 #define VG_TIMESTEP_FIXED (1.0/60.0)
   6
   7 #ifndef VG_RELEASE
   8  #define VG_DEVWINDOW
   9 #endif
  10
  11 #define SDL_MAIN_HANDLED
  12
  13 #define STB_DS_IMPLEMENTATION
  14 #include "vg/submodules/stb/stb_ds.h"
  15
  16 #include "vg/vg.h"
  17
  18
  19 struct {
  20    enum mc_op {
  21       k_mc_op_none,
  22       k_mc_op_clientloading
  23    }
  24    op;
  25
  26    v3f mouse_ws;
  27 }
  28 static marblecomp = { .op = k_mc_op_clientloading };
  29
  30 #include "input.h"
  31 #include "fishladder_vg1.c"
  32
  33 int main( int argc, char *argv[] ){
  34    vg_mem.use_libc_malloc = 0;
  35    vg_set_mem_quota( 80*1024*1024 );
  36    vg_enter( argc, argv, "Voyager Game Engine" );
  37    return 0;
  38 }
  39
  40 static void vg_launch_opt(void){
  41    const char *arg;
  42 }
  43
  44 static void vg_preload(void){
  45 vg_info(" Copyright  .        . .       -----, ,----- ,---.   .---.  \n" );
  46 vg_info(" 2021-2023  |\\      /| |           /  |      |    | |    /| \n" );
  47 vg_info("            | \\    / | +--        /   +----- +---'  |   / | \n" );
  48 vg_info("            |  \\  /  | |         /    |      |   \\  |  /  | \n" );
  49 vg_info("            |   \\/   | |        /     |      |    \\ | /   | \n" );
  50 vg_info("            '        ' '--' [] '----- '----- '     ' '---'  "
  51         "SOFTWARE\n" );
  52 }
  53
  54 static void async_call_ready( void *payload, u32 size ){
  55    _mc_vg1_start();
  56    marblecomp.op = k_mc_op_none;
  57 }
  58
  59 static void vg_load(void){
  60    /* --------------------- */
  61    _mc_vg1_register();
  62         _mc_resource_load_main();
  63    vg_bake_shaders();
  64    vg_async_call( async_call_ready, NULL, 0 );
  65 }
  66
  67 void _mc_vg1_projection_update(void){
  68    /*
  69     * Reproject screenspace mouse into world
  70     */
  71
  72    marblecomp.mouse_ws[0] =  ((vg.mouse_pos[0]/(f32)vg.window_x)-0.5f)*2.0f;
  73    marblecomp.mouse_ws[1] = -((vg.mouse_pos[1]/(f32)vg.window_y)-0.5f)*2.0f;
  74    marblecomp.mouse_ws[2] = 1.0f;
  75
  76    m3x3f inverse;
  77    m3x3_inv( vg.pv, inverse );
  78    m3x3_mulv( inverse, marblecomp.mouse_ws, marblecomp.mouse_ws );
  79
  80    vg_info( "VG %f %f\n", vg.mouse_pos[0], vg.mouse_pos[1] );
  81    vg_info( "WS %f %f\n", marblecomp.mouse_ws[0], marblecomp.mouse_ws[1] );
  82 }
  83
  84
  85 static void vg_pre_update(void){
  86    if( marblecomp.op == k_mc_op_clientloading ) return;
  87    skaterift_preupdate_inputs();
  88    _mc_vg1_update();
  89 }
  90
  91 static void vg_fixed_update(void){
  92    if( marblecomp.op == k_mc_op_clientloading ) return;
  93 }
  94
  95 static void vg_post_update(void){
  96    if( marblecomp.op == k_mc_op_clientloading ) return;
  97    _mc_vg1_projection_update();
  98 }
  99
 100 static void vg_framebuffer_resize( int w, int h ){
 101    _mc_vg1_framebuffer_resize(w,h);
 102 }
 103
 104 static void vg_render(void){
 105    if( marblecomp.op == k_mc_op_clientloading ){
 106       _vg_loader_render();
 107       return;
 108    }
 109
 110    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 111    glViewport( 0,0, vg.window_x, vg.window_y );
 112    glDisable( GL_DEPTH_TEST );
 113    glDisable( GL_BLEND );
 114
 115    glClearColor( 0.0f, 0.3f, 0.5f, 0.0f );
 116    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 117    _mc_vg1_render();
 118
 119    glDisable(GL_BLEND);
 120    glDisable(GL_DEPTH_TEST);
 121    vg_lines_drawall();
 122 }
 123
 124 static void vg_gui(void){
 125    if( marblecomp.op == k_mc_op_clientloading ) return;
 126    vg_ui.wants_mouse = 1;
 127    _mc_vg1_ui();
 128 }