lolengine
/
lol
mirror of https://github.com/lolengine/lol
1
0
Fork 0
Code Issues 0 Releases 0 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
2523 Commits
5 Branches
8.9 GiB
 
 
 
Tree: 717b01e679
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '717b01e679'
${ noResults }
lol/doc/samples/meshviewer.cpp

969 lines
35 KiB
Raw Blame History 

  1. 

  2. //

  3. // Lol Engine - EasyMesh tutorial

  4. //

  5. // Copyright: (c) 2011-2014 Sam Hocevar <sam@hocevar.net>

  6. //            (c) 2012-2013 Benjamin "Touky" Huet <huet.benjamin@gmail.com>

  7. //   This program is free software; you can redistribute it and/or

  8. //   modify it under the terms of the Do What The Fuck You Want To

  9. //   Public License, Version 2, as published by Sam Hocevar. See

  10. //   http://www.wtfpl.net/ for more details.

  11. //

  12. 

  13. #if HAVE_CONFIG_H

  14. #   include "config.h"

  15. #endif

  16. 

  17. #include <cfloat> /* for FLT_MAX */

  18. 

  19. #include <lol/engine.h>

  20. #include "scenesetup.h"

  21. #include "meshviewer.h"

  22. 

  23. using namespace lol;

  24. 

  25. static int const TEXTURE_WIDTH = 256;

  26. 

  27. #define     NO_NACL_EM          (!__native_client__ && !EMSCRIPTEN)

  28. #define     NACL_EM             (__native_client__ || EMSCRIPTEN)

  29. #define     NO_NACL_EM_INPUT    (1)

  30. 

  31. #define     R_M                 1.f

  32. #if NACL_EM

  33. #define     DEFAULT_WIDTH       (800.f * R_M)

  34. #define     DEFAULT_HEIGHT      (400.f * R_M)

  35. #else

  36. #define     DEFAULT_WIDTH       (1200.f * R_M)

  37. #define     DEFAULT_HEIGHT      (400.f * R_M)

  38. #endif //NACL_EM

  39. #define     WIDTH               ((float)Video::GetSize().x)

  40. #define     HEIGHT              ((float)Video::GetSize().y)

  41. #define     SCREEN_W            (10.f / WIDTH)

  42. #define     RATIO_HW            (HEIGHT / WIDTH)

  43. #define     RATIO_WH            (WIDTH / HEIGHT)

  44. #define     SCREEN_LIMIT        1.4f

  45. 

  46. #define     RESET_TIMER         .2f

  47. #define     ROT_SPEED           vec2(50.f)

  48. #define     ROT_CLAMP           89.f

  49. #define     POS_SPEED           vec2(1.2f)

  50. #define     POS_CLAMP           1.f

  51. #define     FOV_SPEED           20.f

  52. #define     FOV_CLAMP           120.f

  53. #define     ZOM_SPEED           3.f

  54. #define     ZOM_CLAMP           20.f

  55. #define     HST_SPEED           .5f

  56. #define     HST_CLAMP           1.f

  57. 

  58. #define     WITH_TEXTURE        0

  59. 

  60. 

  61. #define     HAS_KBOARD          (m_input_usage & (1<<IPT_MV_KBOARD))

  62. #define     HAS_MOUSE           (m_input_usage & (1<<IPT_MV_MOUSE))

  63. 

  64. LOLFX_RESOURCE_DECLARE(shinyfur);

  65. LOLFX_RESOURCE_DECLARE(shinymvtexture);

  66. 

  67. enum

  68. {

  69.     IPT_MV_KBOARD = 0,

  70.     IPT_MV_MOUSE,

  71. 

  72.     INPUT_MAX

  73. };

  74. 

  75. enum MVKeyboardList

  76. {

  77.     KEY_CAM_RESET = 0,

  78.     KEY_CAM_POS,

  79.     KEY_CAM_FOV,

  80. 

  81.     KEY_CAM_UP,

  82.     KEY_CAM_DOWN,

  83.     KEY_CAM_LEFT,

  84.     KEY_CAM_RIGHT,

  85. 

  86.     KEY_MESH_NEXT,

  87.     KEY_MESH_PREV,

  88. 

  89.     KEY_F1,

  90.     KEY_F2,

  91.     KEY_F3,

  92.     KEY_F4,

  93.     KEY_F5,

  94.     KEY_ESC,

  95. 

  96.     KEY_MAX

  97. };

  98. 

  99. enum MVMouseKeyList

  100. {

  101.     MSE_CAM_ROT = KEY_MAX,

  102.     MSE_CAM_POS,

  103.     MSE_CAM_FOV,

  104.     MSE_FOCUS,

  105. 

  106.     MSE_MAX

  107. };

  108. 

  109. enum MVMouseAxisList

  110. {

  111.     MSEX_CAM_Y = 0,

  112.     MSEX_CAM_X,

  113. 

  114.     MSEX_MAX

  115. };

  116. 

  117. #define     MAX_KEYS        MSE_MAX

  118. #define     MAX_AXIS        MSEX_MAX

  119. #define     ALL_FEATURES    1

  120. #define     NO_SC_SETUP     0

  121. 

  122. enum GizmoType

  123. {

  124.     GZ_Editor = 0,

  125.     GZ_LightPos,

  126.     GZ_LightDir,

  127. 

  128.     GZ_MAX

  129. };

  130. 

  131. struct LightData

  132. {

  133.     LightData(vec3 pos, vec4 col)

  134.     {

  135.         m_pos = pos;

  136.         m_col = col;

  137.     }

  138. 

  139.     vec3 m_pos;

  140.     vec4 m_col;

  141. };

  142. 

  143. class TargetCamera

  144. {

  145. public:

  146.     void EmptyTargets()             { m_targets.Empty(); }

  147.     void AddTarget(vec3 new_target) { m_targets << new_target; }

  148.     //This considers the box usage A to B as top-left to bottom-right

  149.     void AddTarget(box3 new_target)

  150.     {

  151.         vec3 base_off = .5f * (new_target.B - new_target.A);

  152.         vec3 base_pos = new_target.A + base_off;

  153.         int pass = 0;

  154.         while (pass < 3)

  155.         {

  156.             int mask = 3 - max(0, pass - 1);

  157.             while (mask-- > 0)

  158.             {

  159.                 ivec3 A((pass == 1 || (pass == 2 && mask == 1))?(1):(0));

  160.                 ivec3 B((pass == 2)?(1):(0)); B[mask] = 1;

  161.                 vec3 offset = vec3(ivec3((int)(!A.x != !B.x), (int)(!A.y != !B.y), (int)(!A.z != !B.z)));

  162.                 AddTarget(base_pos + offset * base_off * 2.f - base_off);

  163.             }

  164.             pass++;

  165.         }

  166.     }

  167. 

  168.     array<vec3>     m_targets;

  169. };

  170. 

  171. class MeshViewer : public WorldEntity

  172. {

  173. public:

  174.     MeshViewer(char const *file_name = "data/mesh-buffer.txt")

  175.       : m_file_name(file_name)

  176.     {

  177.         m_init = false;

  178.         m_first_tick = false;

  179. 

  180.         // Message Service

  181.         MessageService::Setup();

  182. 

  183.         m_ssetup = nullptr;

  184.         m_camera = nullptr;

  185.         m_controller = nullptr;

  186. 

  187.         //Scene setup

  188.         m_setup_loader.ExecLuaFile("meshviewer_init.lua");

  189. 

  190.         //Compile ref meshes

  191.         m_gizmos << new EasyMesh();

  192.         m_gizmos.Last()->Compile("[sc#0f0 ac 3 .5 .4 0 ty .25 [ad 3 .4 sy -1] ty .5 ac 3 1 .075 ty .5 dup[rz 90 ry 90 scv#00f dup[ry 90 scv#f00]]][sc#fff ab .1]");

  193.         m_gizmos << new EasyMesh();

  194.         m_gizmos.Last()->Compile("[sc#666 acap 1 .5 .5 ty -.5 sc#fff asph 2 1]");

  195.         m_gizmos << new EasyMesh();

  196.         m_gizmos.Last()->Compile("[sc#fff ac 3 .5 .4 0 ty .25 [ad 3 .4 sy -1] ty .5 ac 3 1 .1 ty .5 [ad 3 .1 sy -1] ty 1 rz 90 ry 90]");

  197. 

  198.         // Mesh Setup

  199.         m_render_max = vec2(-.9f, 4.1f);

  200.         m_mesh_render = 0;

  201.         m_mesh_id = 0;

  202.         m_mesh_id1 = 0.f;

  203.         m_default_texture = nullptr;

  204.         m_texture_shader = nullptr;

  205.         m_texture = nullptr;

  206. 

  207.         //Camera Setup

  208.         m_reset_timer = -1.f;

  209.         m_fov = -100.f;

  210.         m_fov_mesh = 0.f;

  211.         m_fov_speed = 0.f;

  212.         m_zoom = 0.f;

  213.         m_zoom_mesh = 0.f;

  214.         m_zoom_speed = 0.f;

  215.         m_rot = vec2(/*45.f*/0.f, -45.f);

  216.         m_rot_mesh = vec2::zero;

  217.         m_rot_speed = vec2::zero;

  218.         m_pos = vec2::zero;

  219.         m_pos_mesh = vec2::zero;

  220.         m_pos_speed = vec2::zero;

  221.         m_screen_offset = vec2::zero;

  222.         m_hist_scale = vec2(.13f, .03f);

  223.         m_hist_scale_mesh = vec2(.0f);

  224.         m_hist_scale_speed = vec2(.0f);

  225. 

  226.         m_mat_prev = mat4(quat::fromeuler_xyz(vec3::zero));

  227.         m_mat = mat4::translate(vec3(0.f));//mat4(quat::fromeuler_xyz(vec3(m_rot_mesh, .0f)));

  228. 

  229.         m_build_timer = 0.1f;

  230.         m_build_time = -1.f;

  231. 

  232.         //stream update

  233.         m_stream_update_time = 2.0f;

  234.         m_stream_update_timer = 1.0f;

  235.     }

  236. 

  237.     ~MeshViewer()

  238.     {

  239.         if (m_camera)

  240.             g_scene->PopCamera(m_camera);

  241.         if (m_ssetup)

  242.             delete m_ssetup;

  243.         MessageService::Destroy();

  244. 

  245.         m_controller = nullptr;

  246.         m_camera = nullptr;

  247.         m_ssetup = nullptr;

  248.     }

  249. 

  250. #if NO_NACL_EM_INPUT

  251.     bool  KeyReleased(MVKeyboardList index) { return (HAS_KBOARD && m_controller->GetKey(index).JustReleased()); }

  252.     bool  KeyPressed(MVKeyboardList index)  { return (HAS_KBOARD && m_controller->GetKey(index).JustPressed()); }

  253.     bool  KeyDown(MVKeyboardList index)     { return (HAS_KBOARD && m_controller->GetKey(index).IsPressed()); }

  254.     bool  KeyReleased(MVMouseKeyList index) { return (HAS_MOUSE  && m_controller->GetKey(index).JustReleased()); }

  255.     bool  KeyPressed(MVMouseKeyList index)  { return (HAS_MOUSE  && m_controller->GetKey(index).JustPressed()); }

  256.     bool  KeyDown(MVMouseKeyList index)     { return (HAS_MOUSE  && m_controller->GetKey(index).IsPressed()); }

  257.     float AxisValue(MVMouseAxisList index)  { return (HAS_MOUSE)?(m_controller->GetAxis(index).GetValue()):(0.f); }

  258. #endif //NO_NACL_EM_INPUT

  259. 

  260.     void Init()

  261.     {

  262.         m_init = true;

  263.         m_input_usage = 0;

  264. 

  265. #if NO_NACL_EM_INPUT

  266.         /* Register an input controller for the keyboard */

  267.         m_controller = new Controller("Default");

  268.         m_controller->SetInputCount(MAX_KEYS, MAX_AXIS);

  269. 

  270.         if (InputDevice::Get(g_name_mouse.C()))

  271.         {

  272.             m_input_usage |= (1<<IPT_MV_MOUSE);

  273. 

  274.             m_controller->GetKey(MSE_CAM_ROT).BindMouse("Left");

  275.             m_controller->GetKey(MSE_CAM_POS).BindMouse("Right");

  276.             m_controller->GetKey(MSE_CAM_FOV).BindMouse("Middle");

  277.             m_controller->GetKey(MSE_FOCUS).BindMouse("InScreen");

  278.             m_controller->GetAxis(MSEX_CAM_Y).BindMouse("Y");

  279.             m_controller->GetAxis(MSEX_CAM_X).BindMouse("X");

  280.         }

  281. 

  282.         if (InputDevice::Get(g_name_keyboard.C()))

  283.         {

  284.             m_input_usage |= (1<<IPT_MV_KBOARD);

  285. 

  286.             //Camera keyboard rotation

  287.             m_controller->GetKey(KEY_CAM_UP   ).BindKeyboard("Up");

  288.             m_controller->GetKey(KEY_CAM_DOWN ).BindKeyboard("Down");

  289.             m_controller->GetKey(KEY_CAM_LEFT ).BindKeyboard("Left");

  290.             m_controller->GetKey(KEY_CAM_RIGHT).BindKeyboard("Right");

  291. 

  292.             //Camera keyboard position switch

  293.             m_controller->GetKey(KEY_CAM_POS  ).BindKeyboard("LeftShift");

  294.             m_controller->GetKey(KEY_CAM_FOV  ).BindKeyboard("LeftCtrl");

  295. 

  296.             //Camera unzoom switch

  297.             m_controller->GetKey(KEY_CAM_RESET).BindKeyboard("Space");

  298. 

  299.             //Mesh change

  300.             m_controller->GetKey(KEY_MESH_NEXT).BindKeyboard("PageUp");

  301.             m_controller->GetKey(KEY_MESH_PREV).BindKeyboard("PageDown");

  302. 

  303.             //Base setup

  304.             m_controller->GetKey(KEY_F1).BindKeyboard("F1");

  305.             m_controller->GetKey(KEY_F2).BindKeyboard("F2");

  306.             m_controller->GetKey(KEY_F3).BindKeyboard("F3");

  307.             m_controller->GetKey(KEY_F4).BindKeyboard("F4");

  308.             m_controller->GetKey(KEY_F5).BindKeyboard("F5");

  309.             m_controller->GetKey(KEY_ESC).BindKeyboard("Escape");

  310.         }

  311. #endif //NO_NACL_EM_INPUT

  312. 

  313. 

  314.         m_camera = new Camera();

  315.         m_camera->SetView(vec3(0.f, 0.f, 10.f), vec3::zero, vec3::axis_y);

  316.         m_camera->SetProjection(0.f, .0001f, 2000.f, WIDTH * SCREEN_W, RATIO_HW);

  317.         m_camera->UseShift(true);

  318.         g_scene->PushCamera(m_camera);

  319. 

  320.         //Lights setup

  321.         m_ssetup = new SceneSetup();

  322. #if NO_SC_SETUP

  323.         m_ssetup->m_lights << new Light();

  324.         m_ssetup->m_lights.Last()->SetPosition(vec4(4.f, -1.f, -4.f, 0.f));

  325.         m_ssetup->m_lights.Last()->SetColor(vec4(.0f, .2f, .5f, 1.f));

  326.         Ticker::Ref(m_ssetup->m_lights.Last());

  327.         m_ssetup->m_lights << new Light();

  328.         m_ssetup->m_lights.Last()->SetPosition(vec4(8.f, 2.f, 6.f, 0.f));

  329.         m_ssetup->m_lights.Last()->SetColor(vec4(1.f));

  330.         Ticker::Ref(m_ssetup->m_lights.Last());

  331.         EasyMesh* em = new EasyMesh();

  332.         if (em->Compile("sc#fff ab 1"))

  333.         {

  334.             if (m_mesh_id == m_meshes.Count() - 1)

  335.                 m_mesh_id++;

  336.             m_meshes.Push(em, nullptr);

  337.         }

  338. #else

  339.         //TOUKY CHANGE THAT

  340.         /*

  341.         m_ssetup->Compile("addlight 0.0 position (4 -1 -4) color (.0 .2 .5 1) "

  342.                           "addlight 0.0 position (8 2 6) color #ffff "

  343.                           "showgizmo true ");

  344.         */

  345.         m_ssetup->Startup();

  346. #endif //NO_SC_SETUP

  347.         for (int i = 0; i < m_ssetup->m_lights.Count(); ++i)

  348.         {

  349.             m_light_datas << LightData(m_ssetup->m_lights[i]->GetPosition().xyz, m_ssetup->m_lights[i]->GetColor());

  350.             m_ssetup->m_lights[i]->SetPosition(vec3::zero);

  351.             m_ssetup->m_lights[i]->SetColor(vec4::zero);

  352.         }

  353.     }

  354. 

  355.     virtual void TickGame(float seconds)

  356.     {

  357.         WorldEntity::TickGame(seconds);

  358. 

  359.         if (!m_init && g_scene)

  360.         {

  361.             Init();

  362.             return;

  363.         }

  364. 

  365.         if (!m_init)

  366.             return;

  367. 

  368.         m_first_tick = true;

  369. 

  370.         //TODO : This should probably be "standard LoL behaviour"

  371. #if NO_NACL_EM_INPUT

  372.         {

  373.             //Shutdown logic

  374.             if (KeyReleased(KEY_ESC))

  375.                 Ticker::Shutdown();

  376.         }

  377. #endif //NO_NACL_EM_INPUT

  378. 

  379.         //Compute render mesh count

  380.         float a_j = lol::abs(m_render_max[1]);

  381.         float i_m = m_hist_scale_mesh.x;

  382.         float i_trans = a_j - ((a_j * a_j * i_m * i_m + a_j * i_m) * .5f);

  383.         m_render_max[1] = a_j * ((RATIO_WH * 1.f) / ((i_trans != 0.f)?(i_trans):(RATIO_WH))) - RATIO_HW * .3f;

  384. 

  385.         //Mesh Change

  386. #if NO_NACL_EM_INPUT

  387.         m_mesh_id = clamp(m_mesh_id + ((int)KeyPressed(KEY_MESH_PREV) - (int)KeyPressed(KEY_MESH_NEXT)), 0, (int)m_meshes.Count() - 1);

  388. #endif //NO_NACL_EM_INPUT

  389.         m_mesh_id1 = damp(m_mesh_id1, (float)m_mesh_id, .2f, seconds);

  390. 

  391. #if ALL_FEATURES

  392. 

  393.         //Update light position & damping

  394.         for (int i = 0; i < m_ssetup->m_lights.Count(); ++i)

  395.         {

  396.             vec3 pos = (m_mat * inverse(m_mat_prev) * vec4(m_ssetup->m_lights[i]->GetPosition(), 1.f)).xyz;

  397.             vec3 tgt = (m_mat * vec4(m_light_datas[i].m_pos, 1.f)).xyz;

  398. 

  399.             vec3 new_pos = damp(pos, tgt, .3f, seconds);

  400.             vec4 new_col = damp(m_ssetup->m_lights[i]->GetColor(), m_light_datas[i].m_col, .3f, seconds);

  401. 

  402.             m_ssetup->m_lights[i]->SetPosition(new_pos);

  403.             m_ssetup->m_lights[i]->SetColor(new_col);

  404.         }

  405. 

  406.         //Camera update

  407.         bool is_pos = false;

  408.         bool is_fov = false;

  409.         bool is_hsc = false;

  410.         vec2 tmpv = vec2::zero;

  411. 

  412. #if NO_NACL_EM_INPUT

  413.         is_pos = KeyDown(KEY_CAM_POS) || KeyDown(MSE_CAM_POS);

  414.         is_fov = KeyDown(KEY_CAM_FOV) || KeyDown(MSE_CAM_FOV);

  415. 

  416.         if (KeyDown(MSE_FOCUS) && (KeyDown(MSE_CAM_ROT) || KeyDown(MSE_CAM_POS) || KeyDown(MSE_CAM_FOV)))

  417.         {

  418.             tmpv += vec2(AxisValue(MSEX_CAM_Y), AxisValue(MSEX_CAM_X));

  419.             if (KeyDown(MSE_CAM_ROT))

  420.                 tmpv *= vec2(1.f, 1.f) * 6.f;

  421.             if (KeyDown(MSE_CAM_POS))

  422.                 tmpv *= vec2(1.f, -1.f) * 3.f;

  423.             if (KeyDown(MSE_CAM_FOV))

  424.                 tmpv = vec2(tmpv.y * 4.f, tmpv.x * 6.f);

  425.         }

  426. 

  427.         tmpv += vec2((float)KeyDown(KEY_CAM_UP   ) - (float)KeyDown(KEY_CAM_DOWN),

  428.                      (float)KeyDown(KEY_CAM_RIGHT) - (float)KeyDown(KEY_CAM_LEFT));

  429. #endif //NO_NACL_EM_INPUT

  430. 

  431.         //Base data

  432.         vec2 rot = (!is_pos && !is_fov)?(tmpv):(vec2(.0f)); rot = vec2(rot.x, -rot.y);

  433.         vec2 pos = ( is_pos && !is_fov)?(tmpv):(vec2(.0f)); pos = -vec2(pos.y, pos.x);

  434.         vec2 fov = (!is_pos && is_fov )?(tmpv):(vec2(.0f)); fov = vec2(-fov.x, fov.y);

  435.         vec2 hsc = (is_hsc)?(vec2(0.f)):(vec2(0.f));

  436. 

  437.         //speed

  438.         m_rot_speed = damp(m_rot_speed, rot * ROT_SPEED, .2f, seconds);

  439.         float pos_factor = 1.f / (1.f + m_zoom_mesh * .5f);

  440.         m_pos_speed = damp(m_pos_speed, pos * POS_SPEED * pos_factor, .2f, seconds);

  441.         float fov_factor = 1.f + lol::pow((m_fov_mesh / FOV_CLAMP) * 1.f, 2.f);

  442.         m_fov_speed = damp(m_fov_speed, fov.x * FOV_SPEED * fov_factor, .2f, seconds);

  443.         float zom_factor = 1.f + lol::pow((m_zoom_mesh / ZOM_CLAMP) * 1.f, 2.f);

  444.         m_zoom_speed = damp(m_zoom_speed, fov.y * ZOM_SPEED * zom_factor, .2f, seconds);

  445.         m_hist_scale_speed = damp(m_hist_scale_speed, hsc * HST_SPEED, .2f, seconds);

  446. 

  447.         m_rot += m_rot_speed * seconds;

  448. 

  449. #if NO_NACL_EM_INPUT

  450.         if (m_reset_timer >= 0.f)

  451.             m_reset_timer -= seconds;

  452.         if (KeyPressed(KEY_CAM_RESET))

  453.         {

  454.             if (m_reset_timer >= 0.f)

  455.             {

  456.                 m_pos = vec2(0.f);

  457.                 m_zoom = 0.f;

  458.             }

  459.             else

  460.                 m_reset_timer = RESET_TIMER;

  461.         }

  462. 

  463.         //Transform update

  464.         if (!KeyDown(KEY_CAM_RESET))

  465.         {

  466.             m_pos += m_pos_speed * seconds;

  467.             m_fov += m_fov_speed * seconds;

  468.             m_zoom += m_zoom_speed * seconds;

  469.             m_hist_scale += m_hist_scale_speed * seconds;

  470.         }

  471. #endif //NO_NACL_EM_INPUT

  472. 

  473.         //clamp

  474.         vec2 rot_mesh = vec2(SmoothClamp(m_rot.x, -ROT_CLAMP, ROT_CLAMP, ROT_CLAMP * .1f), m_rot.y);

  475.         vec2 pos_mesh = vec2(SmoothClamp(m_pos.x, -POS_CLAMP, POS_CLAMP, POS_CLAMP * .1f),

  476.                              SmoothClamp(m_pos.y, -POS_CLAMP, POS_CLAMP, POS_CLAMP * .1f));

  477.         float fov_mesh = SmoothClamp(m_fov, 0.f, FOV_CLAMP, FOV_CLAMP * .1f);

  478.         float zoom_mesh = SmoothClamp(m_zoom, -ZOM_CLAMP, ZOM_CLAMP, ZOM_CLAMP * .1f);

  479.         vec2 hist_scale_mesh = vec2(SmoothClamp(m_hist_scale.x, 0.f, HST_CLAMP, HST_CLAMP * .1f),

  480.                                     SmoothClamp(m_hist_scale.y, 0.f, HST_CLAMP, HST_CLAMP * .1f));

  481. 

  482. #if NO_NACL_EM_INPUT

  483.         if (KeyDown(KEY_CAM_RESET) && m_reset_timer < 0.f)

  484.         {

  485.             pos_mesh = vec2::zero;

  486.             zoom_mesh = 0.f;

  487.         }

  488. #endif //NO_NACL_EM_INPUT

  489. 

  490.         m_rot_mesh = vec2(damp(m_rot_mesh.x, rot_mesh.x, .2f, seconds), damp(m_rot_mesh.y, rot_mesh.y, .2f, seconds));

  491.         m_pos_mesh = vec2(damp(m_pos_mesh.x, pos_mesh.x, .2f, seconds), damp(m_pos_mesh.y, pos_mesh.y, .2f, seconds));

  492.         m_fov_mesh = damp(m_fov_mesh, fov_mesh, .2f, seconds);

  493.         m_zoom_mesh = damp(m_zoom_mesh, zoom_mesh, .2f, seconds);

  494.         m_hist_scale_mesh = damp(m_hist_scale_mesh, hist_scale_mesh, .2f, seconds);

  495. 

  496.         //Mesh mat calculation

  497.         m_mat_prev = m_mat;

  498.         m_mat = mat4::translate(vec3(0.f));

  499. 

  500.         //Target List Setup

  501.         TargetCamera tc;

  502.         if (m_meshes.Count() && m_mesh_id >= 0)

  503.             for (int i = 0; i < m_meshes[m_mesh_id].m1->GetVertexCount(); i++)

  504.                 tc.AddTarget((m_mat * mat4::translate(m_meshes[m_mesh_id].m1->GetVertexLocation(i)))[3].xyz);

  505.         tc.AddTarget(box3(vec3(0.f), vec3(1.f)));

  506.         for (int k = 0; k < m_ssetup->m_lights.Count() && m_ssetup->m_show_lights; ++k)

  507.         {

  508.             vec3 light_pos = m_ssetup->m_lights[k]->GetPosition();

  509.             mat4 world_cam = m_camera->GetView();

  510.             light_pos = (inverse(world_cam) * vec4((world_cam * vec4(light_pos, 1.0f)).xyz * vec3::axis_z, 1.0f)).xyz;

  511.             tc.AddTarget(box3(vec3(-1.f), vec3(1.f)) + light_pos *

  512.                          ((m_ssetup->m_lights[k]->GetType() == LightType::Directional)?(-1.f):(1.f)));

  513.         }

  514. 

  515.         //--

  516.         //Update mesh screen location - Get the Min/Max needed

  517.         //--

  518.         vec2 cam_center(0.f);

  519.         float cam_factor = .0f;

  520.         vec3 local_min_max[2] = { vec3(FLT_MAX), vec3(-FLT_MAX) };

  521.         vec2 screen_min_max[2] = { vec2(FLT_MAX), vec2(-FLT_MAX) };

  522.         mat4 world_cam = m_camera->GetView();

  523.         mat4 cam_screen = m_camera->GetProjection();

  524. 

  525.         //target on-screen computation

  526.         for (int i = 0; i < tc.m_targets.Count(); i++)

  527.         {

  528.             vec3 obj_loc = tc.m_targets[i];

  529.             {

  530.                 //Debug::DrawBox(obj_loc - vec3(4.f), obj_loc + vec3(4.f), vec4(1.f, 0.f, 0.f, 1.f));

  531.                 mat4 target_mx = mat4::translate(obj_loc);

  532.                 vec3 vpos;

  533. 

  534.                 //Get location in cam coordinates

  535.                 target_mx = world_cam * target_mx;

  536.                 vpos = target_mx[3].xyz;

  537.                 local_min_max[0] = min(vpos.xyz, local_min_max[0]);

  538.                 local_min_max[1] = max(vpos.xyz, local_min_max[1]);

  539. 

  540.                 //Get location in screen coordinates

  541.                 target_mx = cam_screen * target_mx;

  542.                 vpos = (target_mx[3] / target_mx[3].w).xyz;

  543.                 screen_min_max[0] = min(screen_min_max[0], vpos.xy * vec2(RATIO_WH, 1.f));

  544.                 screen_min_max[1] = max(screen_min_max[1], vpos.xy * vec2(RATIO_WH, 1.f));

  545. 

  546.                 //Build Barycenter

  547.                 cam_center += vpos.xy;

  548.                 cam_factor += 1.f;

  549.             }

  550.         }

  551.         float screen_ratio = max(max(lol::abs(screen_min_max[0].x), lol::abs(screen_min_max[0].y)),

  552.                                  max(lol::abs(screen_min_max[1].x), lol::abs(screen_min_max[1].y)));

  553.         float z_dist = //m_camera->m_target_distance

  554.             length(m_camera->m_position)

  555.             + max(local_min_max[0].z, local_min_max[1].z);

  556. 

  557.         vec2 screen_offset = vec2(0.f, -(screen_min_max[1].y + screen_min_max[0].y) * .5f);

  558.         m_screen_offset = damp(m_screen_offset, screen_offset, .9f, seconds);

  559. 

  560.         float forced_zoom = m_zoom_mesh;

  561. 

  562.         if (cam_factor > 0.f)

  563.         {

  564.             vec2 old_sscale = m_camera->GetScreenScale();

  565.             float old_ssize = m_camera->GetScreenSize();

  566.             float zoom_in  = 1.f + lol::max(0.f, forced_zoom);

  567.             float zoom_out = 1.f + lol::max(0.f, -forced_zoom);

  568.             m_camera->SetScreenScale(max(vec2(0.001f), ((old_sscale * zoom_in) / (screen_ratio * zoom_out * SCREEN_LIMIT))));

  569.             m_camera->SetFov(m_fov_mesh);

  570.             m_camera->SetScreenInfos(damp(old_ssize, max(1.f, screen_ratio * zoom_out), 1.2f, seconds));

  571. 

  572.             vec3 posz = ((mat4::rotate(m_rot_mesh.y, vec3::axis_y) * mat4::rotate(-m_rot_mesh.x, vec3::axis_x) * vec4::axis_z)).xyz;

  573.             vec3 newpos = posz * damp(length(m_camera->m_position), z_dist * 1.2f, .1f, seconds);

  574.             m_camera->SetView(newpos, vec3(0.f), vec3::axis_y);

  575.         }

  576. 

  577.         //--

  578.         //Message Service

  579.         //--

  580.         String mesh("");

  581.         int u = 1;

  582.         while (u-- > 0 && MessageService::FetchFirst(MessageBucket::AppIn, mesh))

  583.         {

  584.             int o = 1;

  585.             while (o-- > 0)

  586.             {

  587.                 SceneSetup* new_ssetup = new SceneSetup();

  588.                 if (false) //new_ssetup->Compile(mesh.C()) && new_ssetup->m_lights.Count())

  589.                 {

  590.                     //Store current light datas, in World

  591.                     array<LightData> light_datas;

  592.                     for (int i = 0; i < m_ssetup->m_lights.Count(); ++i)

  593.                         light_datas << LightData(m_ssetup->m_lights[i]->GetPosition(), m_ssetup->m_lights[i]->GetColor());

  594. 

  595.                     if (m_ssetup)

  596.                         delete m_ssetup;

  597.                     m_ssetup = new_ssetup;

  598.                     m_ssetup->Startup();

  599. 

  600.                     //Restore all light datas so blend can occur

  601.                     mat4 light_mat = m_mat * inverse(mat4(quat::fromeuler_xyz(vec3::zero)));

  602.                     for (int i = 0; i < m_ssetup->m_lights.Count(); ++i)

  603.                     {

  604.                         //Store local dst in current m_ld

  605.                         LightData ltmp = LightData(m_ssetup->m_lights[i]->GetPosition(), m_ssetup->m_lights[i]->GetColor());

  606.                         if (i < m_light_datas.Count())

  607.                             m_light_datas[i] = ltmp;

  608.                         else

  609.                             m_light_datas << ltmp;

  610. 

  611.                         vec3 loc = vec3::zero;

  612.                         vec4 col = vec4::zero;

  613.                         if (i < light_datas.Count())

  614.                         {

  615.                             loc = light_datas[i].m_pos;

  616.                             col = light_datas[i].m_col;

  617.                         }

  618. 

  619.                         //Restore old light datas in new lights

  620.                         m_ssetup->m_lights[i]->SetPosition(loc);

  621.                         m_ssetup->m_lights[i]->SetColor(col);

  622.                     }

  623.                 }

  624.                 else

  625.                 {

  626.                     m_ssetup->m_custom_cmd += new_ssetup->m_custom_cmd;

  627.                     delete new_ssetup;

  628.                 }

  629.             }

  630.         }

  631. 

  632.         //Check the custom cmd even if we don't have new messages.

  633.         int o = 1;

  634.         while (o-- > 0)

  635.         {

  636.             for (int i = 0; m_ssetup && i < m_ssetup->m_custom_cmd.Count(); ++i)

  637.             {

  638.                 if (m_ssetup->m_custom_cmd[i].m1 == "setmesh")

  639.                 {

  640.                     //Create a new mesh

  641.                     EasyMesh* em = new EasyMesh();

  642.                     if (em->Compile(m_ssetup->m_custom_cmd[i].m2.C(), false))

  643.                     {

  644.                         em->BD()->Cmdi() = 0;

  645.                         if (m_mesh_id == m_meshes.Count() - 1)

  646.                             m_mesh_id++;

  647.                         m_meshes.Push(em, nullptr);

  648.                     }

  649.                     else

  650.                         delete em;

  651.                 }

  652.             }

  653.         }

  654.         m_ssetup->m_custom_cmd.Empty();

  655. #endif //ALL_FEATURES

  656. 

  657. #if NACL_EM

  658. /*

  659.         if (m_stream_update_time > .0f)

  660.         {

  661.             m_stream_update_time = -1.f;

  662.             MessageService::Send(MessageBucket::AppIn,

  663.                              " addlight 0.0 position (4 -1 -4) color (.0 .2 .5 1) \

  664.                                addlight 0.0 position (8 2 6) color #ffff \

  665.                                custom setmesh \"[sc#f8f ab 1]\"");

  666. //            MessageService::Send(MessageBucket::AppIn, "[sc#f8f ab 1]");

  667. //            MessageService::Send(MessageBucket::AppIn, "[sc#f8f ab 1 splt 4 twy 90]");

  668. //            MessageService::Send(MessageBucket::AppIn, "[sc#8ff afcb 1 1 1 0]");

  669. //            MessageService::Send(MessageBucket::AppIn, "[sc#ff8 afcb 1 1 1 0]");

  670.         }

  671. */

  672. #elif defined(_WIN32)

  673.         //--

  674.         //File management

  675.         //--

  676.         m_stream_update_time += seconds;

  677.         if (m_stream_update_time > m_stream_update_timer)

  678.         {

  679.             m_stream_update_time = 0.f;

  680. 

  681.             File f;

  682.             f.Open(m_file_name.C(), FileAccess::Read);

  683.             String cmd = f.ReadString();

  684.             f.Close();

  685. 

  686.             if (cmd.Count()

  687.                  && (!m_cmdlist.Count() || cmd != m_cmdlist.Last()))

  688.             {

  689.                 m_cmdlist << cmd;

  690.                 MessageService::Send(MessageBucket::AppIn, cmd);

  691.             }

  692.         }

  693. #endif //WINDOWS

  694.     }

  695. 

  696.     virtual void TickDraw(float seconds, Scene &scene)

  697.     {

  698.         WorldEntity::TickDraw(seconds, scene);

  699. 

  700.         if (!m_init || !m_first_tick)

  701.             return;

  702. 

  703.         //TODO : This should probably be "standard LoL behaviour"

  704. #if NO_NACL_EM_INPUT

  705.         {

  706.             if (KeyReleased(KEY_F2))

  707.                 Video::SetDebugRenderMode((Video::GetDebugRenderMode() + 1) % DebugRenderMode::Max);

  708.             else if (KeyReleased(KEY_F1))

  709.                 Video::SetDebugRenderMode((Video::GetDebugRenderMode() + DebugRenderMode::Max - 1) % DebugRenderMode::Max);

  710.         }

  711. #endif //NO_NACL_EM_INPUT

  712. 

  713. #if NO_NACL_EM && WITH_TEXTURE

  714.         if (!m_default_texture)

  715.         {

  716.             m_texture_shader = Shader::Create(LOLFX_RESOURCE_NAME(shinymvtexture));

  717.             m_texture_uni = m_texture_shader->GetUniformLocation("u_Texture");

  718.             m_default_texture = Tiler::Register("data/test-texture.png", ivec2::zero, ivec2(0,1));

  719.         }

  720.         else if (m_texture && m_default_texture)

  721.             m_texture_shader->SetUniform(m_texture_uni, m_default_texture->GetTexture(), 0);

  722. #endif //NO_NACL_EM

  723. 

  724.         g_renderer->SetClearColor(m_ssetup->m_clear_color);

  725. 

  726.         for (int i = 0; i < m_gizmos.Count(); ++i)

  727.         {

  728.             if (m_gizmos[i]->GetMeshState() == MeshRender::NeedConvert)

  729.                 m_gizmos[i]->MeshConvert();

  730.             else

  731.                 break;

  732.         }

  733. 

  734.         if (m_build_timer > .0f)

  735.         {

  736.             if (m_build_time < .0f)

  737.             {

  738.                 m_build_time = m_build_timer;

  739.                 for (int i = 0; i < m_meshes.Count(); ++i)

  740.                 {

  741.                     if (m_meshes[i].m1 && m_meshes[i].m1->BD()->Cmdi() < m_meshes[i].m1->BD()->CmdStack().GetCmdNb())

  742.                     {

  743.                         EasyMesh* tmp = m_meshes[i].m1;

  744.                         EasyMesh* newtmp = new EasyMesh(*tmp);

  745.                         int ii = 1;

  746. #if 1

  747.                         bool stop = false;

  748.                         while (!stop)

  749.                         {

  750.                             int cmdi = newtmp->BD()->Cmdi() + ii;

  751.                             if (cmdi < newtmp->BD()->CmdStack().GetCmdNb())

  752.                             {

  753.                                 switch (newtmp->BD()->CmdStack().GetCmd(cmdi))

  754.                                 {

  755.                                     case EasyMeshCmdType::LoopStart:

  756.                                     case EasyMeshCmdType::LoopEnd:

  757.                                     case EasyMeshCmdType::OpenBrace:

  758.                                     case EasyMeshCmdType::CloseBrace:

  759.                                     case EasyMeshCmdType::ScaleWinding:

  760.                                     case EasyMeshCmdType::QuadWeighting:

  761.                                     case EasyMeshCmdType::PostBuildNormal:

  762.                                     case EasyMeshCmdType::PreventVertCleanup:

  763.                                     case EasyMeshCmdType::SetColorA:

  764.                                     case EasyMeshCmdType::SetColorB:

  765.                                     {

  766.                                         ii++;

  767.                                         break;

  768.                                     }

  769.                                     default:

  770.                                     {

  771.                                         stop = true;

  772.                                         break;

  773.                                     }

  774.                                 }

  775.                             }

  776.                             else

  777.                                 stop = true;

  778.                         }

  779. #endif

  780.                         newtmp->BD()->CmdExecNb() = ii;

  781.                         newtmp->ExecuteCmdStack(false);

  782. 

  783.                         m_meshes[i].m1 = newtmp;

  784.                         delete tmp;

  785.                     }

  786.                 }

  787.             }

  788.             m_build_time -= seconds;

  789.         }

  790. 

  791. #define NORMAL_USAGE 1

  792. #if NORMAL_USAGE

  793.         vec3 x = vec3(1.f,0.f,0.f);

  794.         vec3 y = vec3(0.f,1.f,0.f);

  795.         mat4 save_proj = m_camera->GetProjection();

  796.                               //Y object Offset

  797.         mat4 mat_obj_offset = mat4::translate(x * m_screen_offset.x + y * m_screen_offset.y) *

  798.                               //Mesh Pos Offset

  799.                               mat4::translate((x * m_pos_mesh.x * RATIO_HW + y * m_pos_mesh.y) * 2.f * (1.f + .5f * m_zoom_mesh / SCREEN_LIMIT));

  800.                               //Align right meshes

  801.         mat4 mat_align =      mat4::translate(x - x * RATIO_HW);

  802.         mat4 mat_gizmo = mat_obj_offset * mat_align * save_proj;

  803.         for (int i = 0; i < m_meshes.Count(); i++)

  804.         {

  805.             {

  806.                 if (m_meshes[i].m1->GetMeshState() == MeshRender::NeedConvert)

  807.                 {

  808. #if WITH_TEXTURE

  809.                     m_meshes[i].m1->MeshConvert(new DefaultShaderData(((1 << VertexUsage::Position) | (1 << VertexUsage::Normal) |

  810.                                                                        (1 << VertexUsage::Color)    | (1 << VertexUsage::TexCoord)),

  811.                                                                        m_texture_shader, true));

  812. #else

  813.                     m_meshes[i].m1->MeshConvert();

  814. #endif //WITH_TEXTURE

  815.                 }

  816. #if ALL_FEATURES

  817.                 float j = -(float)(m_meshes.Count() - (i + 1)) + (-m_mesh_id1 + (float)(m_meshes.Count() - 1));

  818. 

  819.                 if (m_mesh_id1 - m_render_max[0] > (float)i && m_mesh_id1 - m_render_max[1] < (float)i &&

  820.                     m_meshes[i].m1->GetMeshState() > MeshRender::NeedConvert)

  821.                 {

  822.                     float a_j = lol::abs(j);

  823.                     float i_trans = (a_j * a_j * m_hist_scale_mesh.x + a_j * m_hist_scale_mesh.x) * .5f;

  824.                     float i_scale = clamp(1.f - (m_hist_scale_mesh.y * (m_mesh_id1 - (float)i)), 0.f, 1.f);

  825. 

  826.                     //Mesh count offset

  827.                     mat4 mat_count_offset = mat4::translate(x * RATIO_HW * 2.f * (j + i_trans));

  828.                     //Mesh count scale

  829.                     mat4 mat_count_scale = mat4::scale(vec3(vec2(i_scale), 1.f));

  830. 

  831.                     //Camera projection

  832.                     mat4 new_proj = mat_obj_offset * mat_count_offset * mat_align * mat_count_scale * save_proj;

  833.                     m_camera->SetProjection(new_proj);

  834.                     scene.AddPrimitive(*m_meshes[i].m1, m_mat);

  835.                     g_renderer->Clear(ClearMask::Depth);

  836.                 }

  837.                 m_camera->SetProjection(save_proj);

  838. #else

  839.                 scene.AddPrimitive(*m_meshes[i].m1, m_mat);

  840. #endif //ALL_FEATURES

  841.             }

  842.         }

  843. 

  844.         //Scene setup update

  845.         if (m_ssetup)

  846.         {

  847.             m_camera->SetProjection(mat_gizmo);

  848.             if (m_ssetup->m_show_gizmo)

  849.                 scene.AddPrimitive(*m_gizmos[GZ_Editor], m_mat);

  850. 

  851.             if (m_ssetup->m_show_lights)

  852.             {

  853.                 for (int k = 0; k < m_ssetup->m_lights.Count(); ++k)

  854.                 {

  855.                     Light* ltmp = m_ssetup->m_lights[k];

  856.                     mat4 world = mat4::translate(ltmp->GetPosition());

  857.                     mat4 local = mat4::translate((inverse(m_mat) * world)[3].xyz);

  858.                     //dir light

  859.                     if (ltmp->GetType() == LightType::Directional)

  860.                     {

  861.                         scene.AddPrimitive(*m_gizmos[GZ_LightPos], m_mat * inverse(local));

  862.                         scene.AddPrimitive(*m_gizmos[GZ_LightDir], inverse(world) * inverse(mat4::lookat(vec3::zero, -ltmp->GetPosition(), vec3::axis_y)));

  863.                     }

  864.                     else //point light

  865.                     {

  866.                         scene.AddPrimitive(*m_gizmos[GZ_LightPos], m_mat * local);

  867.                     }

  868.                 }

  869.             }

  870.             m_camera->SetProjection(save_proj);

  871.         }

  872. #endif //NORMAL_USAGE

  873. 

  874. #if 0 //Debug normal draw

  875.         for (int i = m_meshes.Count() - 1; 0 <= i && i < m_meshes.Count(); i++)

  876.         {

  877.             for (int j = 0; j < m_meshes[i].m1->m_indices.Count(); j += 3)

  878.             {

  879.                 VertexData v[3] = { m_meshes[i].m1->m_vert[m_meshes[i].m1->m_indices[j  ]],

  880.                                     m_meshes[i].m1->m_vert[m_meshes[i].m1->m_indices[j+1]],

  881.                                     m_meshes[i].m1->m_vert[m_meshes[i].m1->m_indices[j+2]]

  882.                                     };

  883.                 for (int k = 0; k < 3; k++)

  884.                     Debug::DrawLine((m_mat * mat4::translate(v[k].m_coord))[3].xyz,

  885.                                     (m_mat * mat4::translate(v[(k+1)%3].m_coord))[3].xyz, vec4(vec3((v[k].m_coord.z + 1.f)*.5f),1.f));

  886.             }

  887.             for (int j = 0; j < m_meshes[i].m1->m_vert.Count(); j++)

  888.             {

  889.                 VertexData &v = m_meshes[i].m1->m_vert[m_meshes[i].m1->m_indices[j]];

  890.                 Debug::DrawLine((m_mat * mat4::translate(v.m_coord))[3].xyz,

  891.                                 (m_mat * mat4::translate(v.m_coord))[3].xyz +

  892.                                 (m_mat * vec4(v.m_normal * 5.f, 0.f)).xyz, vec4(lol::abs(v.m_normal), 1.f));

  893.             }

  894.         }

  895. #endif

  896.     }

  897. 

  898. private:

  899.     SceneSetup*         m_ssetup;

  900.     SceneSetupLuaLoader m_setup_loader;

  901.     array<LightData>    m_light_datas;

  902.     Controller*         m_controller;

  903.     short               m_input_usage;

  904.     mat4                m_mat;

  905.     mat4                m_mat_prev;

  906.     bool                m_init;

  907.     bool                m_first_tick;

  908. 

  909.     //Camera Setup

  910.     Camera *            m_camera;

  911.     float               m_reset_timer;

  912.     float               m_fov;

  913.     float               m_fov_mesh;

  914.     float               m_fov_speed;

  915.     float               m_zoom;

  916.     float               m_zoom_mesh;

  917.     float               m_zoom_speed;

  918.     vec2                m_rot;

  919.     vec2                m_rot_mesh;

  920.     vec2                m_rot_speed;

  921.     vec2                m_pos;

  922.     vec2                m_pos_mesh;

  923.     vec2                m_pos_speed;

  924.     vec2                m_hist_scale;

  925.     vec2                m_hist_scale_mesh;

  926.     vec2                m_hist_scale_speed;

  927.     vec2                m_screen_offset;

  928. 

  929.     //Mesh update timer

  930.     float               m_build_timer;

  931.     float               m_build_time;

  932. 

  933.     //Mesh infos

  934.     vec2                m_render_max;

  935.     int                 m_mesh_render;

  936.     int                 m_mesh_id;

  937.     float               m_mesh_id1;

  938.     array<EasyMesh*, EasyMesh*> m_meshes;

  939.     array<EasyMesh*>    m_gizmos;

  940. 

  941.     //File data

  942.     String              m_file_name;

  943.     array<String>       m_cmdlist;

  944.     float               m_stream_update_time;

  945.     float               m_stream_update_timer;

  946. 

  947.     //misc datas

  948.     Shader *            m_texture_shader;

  949.     TileSet *           m_default_texture;

  950.     Texture *           m_texture;

  951.     ShaderUniform       m_texture_uni;

  952. };

  953. 

  954. //The basic main :

  955. int main(int argc, char **argv)

  956. {

  957.     System::Init(argc, argv);

  958. 

  959.     Application app("MeshViewer", ivec2((int)DEFAULT_WIDTH, (int)DEFAULT_HEIGHT), 60.0f);

  960.     if (argc > 1)

  961.         new MeshViewer(argv[1]);

  962.     else

  963.         new MeshViewer();

  964.     app.Run();

  965. 

  966.     return EXIT_SUCCESS;

  967. }