lolengine
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lol
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lol/test/meshviewer.cpp

960 satır
35 KiB
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  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 defined HAVE_CONFIG_H

  14. #   include "config.h"

  15. #endif

  16. 

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

  18. 

  19. #include <lol/main.h>

  20. #include "scenesetup.h"

  21. 

  22. using namespace lol;

  23. 

  24. static int const TEXTURE_WIDTH = 256;

  25. 

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

  27. #define     NACL_EM             (__native_client__ || EMSCRIPTEN)

  28. #define     NO_NACL_EM_INPUT    (1)

  29. 

  30. #define     R_M                 1.f

  31. #if NACL_EM

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

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

  34. #else

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

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

  37. #endif //NACL_EM

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

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

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

  41. #define     RATIO_HW            (HEIGHT / WIDTH)

  42. #define     RATIO_WH            (WIDTH / HEIGHT)

  43. #define     SCREEN_LIMIT        1.4f

  44. 

  45. #define     RESET_TIMER         .2f

  46. #define     ROT_SPEED           vec2(50.f)

  47. #define     ROT_CLAMP           89.f

  48. #define     POS_SPEED           vec2(1.2f)

  49. #define     POS_CLAMP           1.f

  50. #define     FOV_SPEED           20.f

  51. #define     FOV_CLAMP           120.f

  52. #define     ZOM_SPEED           3.f

  53. #define     ZOM_CLAMP           20.f

  54. #define     HST_SPEED           .5f

  55. #define     HST_CLAMP           1.f

  56. 

  57. #define     WITH_TEXTURE        0

  58. 

  59. 

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

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

  62. 

  63. LOLFX_RESOURCE_DECLARE(shinyfur);

  64. LOLFX_RESOURCE_DECLARE(shinymvtexture);

  65. 

  66. enum

  67. {

  68.     IPT_MV_KBOARD = 0,

  69.     IPT_MV_MOUSE,

  70. 

  71.     INPUT_MAX

  72. };

  73. 

  74. enum MVKeyboardList

  75. {

  76.     KEY_CAM_RESET = 0,

  77.     KEY_CAM_POS,

  78.     KEY_CAM_FOV,

  79. 

  80.     KEY_CAM_UP,

  81.     KEY_CAM_DOWN,

  82.     KEY_CAM_LEFT,

  83.     KEY_CAM_RIGHT,

  84. 

  85.     KEY_MESH_NEXT,

  86.     KEY_MESH_PREV,

  87. 

  88.     KEY_F1,

  89.     KEY_F2,

  90.     KEY_F3,

  91.     KEY_F4,

  92.     KEY_F5,

  93.     KEY_ESC,

  94. 

  95.     KEY_MAX

  96. };

  97. 

  98. enum MVMouseKeyList

  99. {

  100.     MSE_CAM_ROT = KEY_MAX,

  101.     MSE_CAM_POS,

  102.     MSE_CAM_FOV,

  103.     MSE_FOCUS,

  104. 

  105.     MSE_MAX

  106. };

  107. 

  108. enum MVMouseAxisList

  109. {

  110.     MSEX_CAM_Y = 0,

  111.     MSEX_CAM_X,

  112. 

  113.     MSEX_MAX

  114. };

  115. 

  116. #define     MAX_KEYS        MSE_MAX

  117. #define     MAX_AXIS        MSEX_MAX

  118. #define     ALL_FEATURES    1

  119. #define     NO_SC_SETUP     0

  120. 

  121. enum GizmoType

  122. {

  123.     GZ_Editor = 0,

  124.     GZ_LightPos,

  125.     GZ_LightDir,

  126. 

  127.     GZ_MAX

  128. };

  129. 

  130. struct LightData

  131. {

  132.     LightData(vec3 pos, vec4 col)

  133.     {

  134.         m_pos = pos;

  135.         m_col = col;

  136.     }

  137. 

  138.     vec3 m_pos;

  139.     vec4 m_col;

  140. };

  141. 

  142. class TargetCamera

  143. {

  144. public:

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

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

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

  148.     void AddTarget(box3 new_target)

  149.     {

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

  151.         vec3 base_pos = new_target.A + base_off;

  152.         int pass = 0;

  153.         while (pass < 3)

  154.         {

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

  156.             while (mask-- > 0)

  157.             {

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

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

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

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

  162.             }

  163.             pass++;

  164.         }

  165.     }

  166. 

  167.     array<vec3>     m_targets;

  168. };

  169. 

  170. class MeshViewer : public WorldEntity

  171. {

  172. public:

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

  174.       : m_file_name(file_name)

  175.     {

  176.         m_init = false;

  177.         m_first_tick = false;

  178. 

  179.         // Message Service

  180.         MessageService::Setup();

  181. 

  182.         m_ssetup = nullptr;

  183.         m_camera = nullptr;

  184.         m_controller = nullptr;

  185. 

  186.         //Compile ref meshes

  187.         m_gizmos << new EasyMesh();

  188.         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]");

  189.         m_gizmos << new EasyMesh();

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

  191.         m_gizmos << new EasyMesh();

  192.         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]");

  193. 

  194.         // Mesh Setup

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

  196.         m_mesh_render = 0;

  197.         m_mesh_id = 0;

  198.         m_mesh_id1 = 0.f;

  199.         m_default_texture = nullptr;

  200.         m_texture_shader = nullptr;

  201.         m_texture = nullptr;

  202. 

  203.         //Camera Setup

  204.         m_reset_timer = -1.f;

  205.         m_fov = -100.f;

  206.         m_fov_mesh = 0.f;

  207.         m_fov_speed = 0.f;

  208.         m_zoom = 0.f;

  209.         m_zoom_mesh = 0.f;

  210.         m_zoom_speed = 0.f;

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

  212.         m_rot_mesh = vec2::zero;

  213.         m_rot_speed = vec2::zero;

  214.         m_pos = vec2::zero;

  215.         m_pos_mesh = vec2::zero;

  216.         m_pos_speed = vec2::zero;

  217.         m_screen_offset = vec2::zero;

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

  219.         m_hist_scale_mesh = vec2(.0f);

  220.         m_hist_scale_speed = vec2(.0f);

  221. 

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

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

  224. 

  225.         m_build_timer = 0.1f;

  226.         m_build_time = -1.f;

  227. 

  228.         //stream update

  229.         m_stream_update_time = 2.0f;

  230.         m_stream_update_timer = 1.0f;

  231.     }

  232. 

  233.     ~MeshViewer()

  234.     {

  235.         if (m_camera)

  236.             g_scene->PopCamera(m_camera);

  237.         if (m_ssetup)

  238.             delete(m_ssetup);

  239.         MessageService::Destroy();

  240. 

  241.         m_controller = nullptr;

  242.         m_camera = nullptr;

  243.         m_ssetup = nullptr;

  244.     }

  245. 

  246. #if NO_NACL_EM_INPUT

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

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

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

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

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

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

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

  254. #endif //NO_NACL_EM_INPUT

  255. 

  256.     void Init()

  257.     {

  258.         m_init = true;

  259.         m_input_usage = 0;

  260. 

  261. #if NO_NACL_EM_INPUT

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

  263.         m_controller = new Controller("Default", MAX_KEYS, MAX_AXIS);

  264. 

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

  266.         {

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

  268. 

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

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

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

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

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

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

  275.         }

  276. 

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

  278.         {

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

  280. 

  281.             //Camera keyboard rotation

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

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

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

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

  286. 

  287.             //Camera keyboard position switch

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

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

  290. 

  291.             //Camera unzoom switch

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

  293. 

  294.             //Mesh change

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

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

  297. 

  298.             //Base setup

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

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

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

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

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

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

  305.         }

  306. #endif //NO_NACL_EM_INPUT

  307. 

  308. 

  309.         m_camera = new Camera();

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

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

  312.         m_camera->UseShift(true);

  313.         g_scene->PushCamera(m_camera);

  314. 

  315.         //Lights setup

  316.         m_ssetup = new SceneSetup();

  317. #if NO_SC_SETUP

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

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

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

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

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

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

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

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

  326.         EasyMesh* em = new EasyMesh();

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

  328.         {

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

  330.                 m_mesh_id++;

  331.             m_meshes.Push(em, nullptr);

  332.         }

  333. #else

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

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

  336.                           "showgizmo true ");

  337.         m_ssetup->Startup();

  338. #endif //NO_SC_SETUP

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

  340.         {

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

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

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

  344.         }

  345.     }

  346. 

  347.     virtual void TickGame(float seconds)

  348.     {

  349.         WorldEntity::TickGame(seconds);

  350. 

  351.         if (!m_init && g_scene)

  352.         {

  353.             Init();

  354.             return;

  355.         }

  356. 

  357.         if (!m_init)

  358.             return;

  359. 

  360.         m_first_tick = true;

  361. 

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

  363. #if NO_NACL_EM_INPUT

  364.         {

  365.             //Shutdown logic

  366.             if (KeyReleased(KEY_ESC))

  367.                 Ticker::Shutdown();

  368.         }

  369. #endif //NO_NACL_EM_INPUT

  370. 

  371.         //Compute render mesh count

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

  373.         float i_m = m_hist_scale_mesh.x;

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

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

  376. 

  377.         //Mesh Change

  378. #if NO_NACL_EM_INPUT

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

  380. #endif //NO_NACL_EM_INPUT

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

  382. 

  383. #if ALL_FEATURES

  384. 

  385.         //Update light position & damping

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

  387.         {

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

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

  390. 

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

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

  393. 

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

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

  396.         }

  397. 

  398.         //Camera update

  399.         bool is_pos = false;

  400.         bool is_fov = false;

  401.         bool is_hsc = false;

  402.         vec2 tmpv = vec2::zero;

  403. 

  404. #if NO_NACL_EM_INPUT

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

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

  407. 

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

  409.         {

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

  411.             if (KeyDown(MSE_CAM_ROT))

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

  413.             if (KeyDown(MSE_CAM_POS))

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

  415.             if (KeyDown(MSE_CAM_FOV))

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

  417.         }

  418. 

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

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

  421. #endif //NO_NACL_EM_INPUT

  422. 

  423.         //Base data

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

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

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

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

  428. 

  429.         //speed

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

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

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

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

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

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

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

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

  438. 

  439.         m_rot += m_rot_speed * seconds;

  440. 

  441. #if NO_NACL_EM_INPUT

  442.         if (m_reset_timer >= 0.f)

  443.             m_reset_timer -= seconds;

  444.         if (KeyPressed(KEY_CAM_RESET))

  445.         {

  446.             if (m_reset_timer >= 0.f)

  447.             {

  448.                 m_pos = vec2(0.f);

  449.                 m_zoom = 0.f;

  450.             }

  451.             else

  452.                 m_reset_timer = RESET_TIMER;

  453.         }

  454. 

  455.         //Transform update

  456.         if (!KeyDown(KEY_CAM_RESET))

  457.         {

  458.             m_pos += m_pos_speed * seconds;

  459.             m_fov += m_fov_speed * seconds;

  460.             m_zoom += m_zoom_speed * seconds;

  461.             m_hist_scale += m_hist_scale_speed * seconds;

  462.         }

  463. #endif //NO_NACL_EM_INPUT

  464. 

  465.         //clamp

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

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

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

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

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

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

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

  473. 

  474. #if NO_NACL_EM_INPUT

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

  476.         {

  477.             pos_mesh = vec2::zero;

  478.             zoom_mesh = 0.f;

  479.         }

  480. #endif //NO_NACL_EM_INPUT

  481. 

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

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

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

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

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

  487. 

  488.         //Mesh mat calculation

  489.         m_mat_prev = m_mat;

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

  491. 

  492.         //Target List Setup

  493.         TargetCamera tc;

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

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

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

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

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

  499.         {

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

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

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

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

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

  505.         }

  506. 

  507.         //--

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

  509.         //--

  510.         vec2 cam_center(0.f);

  511.         float cam_factor = .0f;

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

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

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

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

  516. 

  517.         //target on-screen computation

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

  519.         {

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

  521.             {

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

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

  524.                 vec3 vpos;

  525. 

  526.                 //Get location in cam coordinates

  527.                 target_mx = world_cam * target_mx;

  528.                 vpos = target_mx[3].xyz;

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

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

  531. 

  532.                 //Get location in screen coordinates

  533.                 target_mx = cam_screen * target_mx;

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

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

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

  537. 

  538.                 //Build Barycenter

  539.                 cam_center += vpos.xy;

  540.                 cam_factor += 1.f;

  541.             }

  542.         }

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

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

  545.         float z_dist = //m_camera->m_target_distance

  546.             length(m_camera->m_position)

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

  548. 

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

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

  551. 

  552.         float forced_zoom = m_zoom_mesh;

  553. 

  554.         if (cam_factor > 0.f)

  555.         {

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

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

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

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

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

  561.             m_camera->SetFov(m_fov_mesh);

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

  563. 

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

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

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

  567.         }

  568. 

  569.         //--

  570.         //Message Service

  571.         //--

  572.         String mesh("");

  573.         int u = 1;

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

  575.         {

  576.             int o = 1;

  577.             while (o-- > 0)

  578.             {

  579.                 SceneSetup* new_ssetup = new SceneSetup();

  580.                 if (new_ssetup->Compile(mesh.C()) && new_ssetup->m_lights.Count())

  581.                 {

  582.                     //Store current light datas, in World

  583.                     array<LightData> light_datas;

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

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

  586. 

  587.                     if (m_ssetup)

  588.                         delete(m_ssetup);

  589.                     m_ssetup = new_ssetup;

  590.                     m_ssetup->Startup();

  591. 

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

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

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

  595.                     {

  596.                         //Store local dst in current m_ld

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

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

  599.                             m_light_datas[i] = ltmp;

  600.                         else

  601.                             m_light_datas << ltmp;

  602. 

  603.                         vec3 loc = vec3::zero;

  604.                         vec4 col = vec4::zero;

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

  606.                         {

  607.                             loc = light_datas[i].m_pos;

  608.                             col = light_datas[i].m_col;

  609.                         }

  610. 

  611.                         //Restore old light datas in new lights

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

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

  614.                     }

  615.                 }

  616.                 else

  617.                 {

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

  619.                     delete(new_ssetup);

  620.                 }

  621.             }

  622.         }

  623. 

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

  625.         int o = 1;

  626.         while (o-- > 0)

  627.         {

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

  629.             {

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

  631.                 {

  632.                     //Create a new mesh

  633.                     EasyMesh* em = new EasyMesh();

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

  635.                     {

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

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

  638.                             m_mesh_id++;

  639.                         m_meshes.Push(em, nullptr);

  640.                     }

  641.                     else

  642.                         delete(em);

  643.                 }

  644.             }

  645.         }

  646.         m_ssetup->m_custom_cmd.Empty();

  647. #endif //ALL_FEATURES

  648. 

  649. #if NACL_EM

  650. /*

  651.         if (m_stream_update_time > .0f)

  652.         {

  653.             m_stream_update_time = -1.f;

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

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

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

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

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

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

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

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

  662.         }

  663. */

  664. #elif defined(_WIN32)

  665.         //--

  666.         //File management

  667.         //--

  668.         m_stream_update_time += seconds;

  669.         if (m_stream_update_time > m_stream_update_timer)

  670.         {

  671.             m_stream_update_time = 0.f;

  672. 

  673.             File f;

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

  675.             String cmd = f.ReadString();

  676.             f.Close();

  677. 

  678.             if (cmd.Count()

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

  680.             {

  681.                 m_cmdlist << cmd;

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

  683.             }

  684.         }

  685. #endif //WINDOWS

  686.     }

  687. 

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

  689.     {

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

  691. 

  692.         if (!m_init || !m_first_tick)

  693.             return;

  694. 

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

  696. #if NO_NACL_EM_INPUT

  697.         {

  698.             if (KeyReleased(KEY_F2))

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

  700.             else if (KeyReleased(KEY_F1))

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

  702.         }

  703. #endif //NO_NACL_EM_INPUT

  704. 

  705. #if NO_NACL_EM && WITH_TEXTURE

  706.         if (!m_default_texture)

  707.         {

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

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

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

  711.         }

  712.         else if (m_texture && m_default_texture)

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

  714. #endif //NO_NACL_EM

  715. 

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

  717. 

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

  719.         {

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

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

  722.             else

  723.                 break;

  724.         }

  725. 

  726.         if (m_build_timer > .0f)

  727.         {

  728.             if (m_build_time < .0f)

  729.             {

  730.                 m_build_time = m_build_timer;

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

  732.                 {

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

  734.                     {

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

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

  737.                         int ii = 1;

  738. #if 1

  739.                         bool stop = false;

  740.                         while (!stop)

  741.                         {

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

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

  744.                             {

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

  746.                                 {

  747.                                     case EasyMeshCmdType::LoopStart:

  748.                                     case EasyMeshCmdType::LoopEnd:

  749.                                     case EasyMeshCmdType::OpenBrace:

  750.                                     case EasyMeshCmdType::CloseBrace:

  751.                                     case EasyMeshCmdType::ScaleWinding:

  752.                                     case EasyMeshCmdType::QuadWeighting:

  753.                                     case EasyMeshCmdType::PostBuildNormal:

  754.                                     case EasyMeshCmdType::PreventVertCleanup:

  755.                                     case EasyMeshCmdType::SetColorA:

  756.                                     case EasyMeshCmdType::SetColorB:

  757.                                     {

  758.                                         ii++;

  759.                                         break;

  760.                                     }

  761.                                     default:

  762.                                     {

  763.                                         stop = true;

  764.                                         break;

  765.                                     }

  766.                                 }

  767.                             }

  768.                             else

  769.                                 stop = true;

  770.                         }

  771. #endif

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

  773.                         newtmp->ExecuteCmdStack(false);

  774. 

  775.                         m_meshes[i].m1 = newtmp;

  776.                         delete(tmp);

  777.                     }

  778.                 }

  779.             }

  780.             m_build_time -= seconds;

  781.         }

  782. 

  783. #define NORMAL_USAGE 1

  784. #if NORMAL_USAGE

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

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

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

  788.                               //Y object Offset

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

  790.                               //Mesh Pos Offset

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

  792.                               //Align right meshes

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

  794.         mat4 mat_gizmo = mat_obj_offset * mat_align * save_proj;

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

  796.         {

  797.             {

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

  799.                 {

  800. #if WITH_TEXTURE

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

  802.                                                                        (1 << VertexUsage::Color)    | (1 << VertexUsage::TexCoord)),

  803.                                                                        m_texture_shader, true));

  804. #else

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

  806. #endif //WITH_TEXTURE

  807.                 }

  808. #if ALL_FEATURES

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

  810. 

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

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

  813.                 {

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

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

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

  817. 

  818.                     //Mesh count offset

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

  820.                     //Mesh count scale

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

  822. 

  823.                     //Camera projection

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

  825.                     m_camera->SetProjection(new_proj);

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

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

  828.                 }

  829.                 m_camera->SetProjection(save_proj);

  830. #else

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

  832. #endif //ALL_FEATURES

  833.             }

  834.         }

  835. 

  836.         //Scene setup update

  837.         if (m_ssetup)

  838.         {

  839.             m_camera->SetProjection(mat_gizmo);

  840.             if (m_ssetup->m_show_gizmo)

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

  842. 

  843.             if (m_ssetup->m_show_lights)

  844.             {

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

  846.                 {

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

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

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

  850.                     //dir light

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

  852.                     {

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

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

  855.                     }

  856.                     else //point light

  857.                     {

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

  859.                     }

  860.                 }

  861.             }

  862.             m_camera->SetProjection(save_proj);

  863.         }

  864. #endif //NORMAL_USAGE

  865. 

  866. #if 0 //Debug normal draw

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

  868.         {

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

  870.             {

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

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

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

  874.                                     };

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

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

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

  878.             }

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

  880.             {

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

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

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

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

  885.             }

  886.         }

  887. #endif

  888.     }

  889. 

  890. private:

  891.     SceneSetup*         m_ssetup;

  892.     array<LightData>    m_light_datas;

  893.     Controller*         m_controller;

  894.     short               m_input_usage;

  895.     mat4                m_mat;

  896.     mat4                m_mat_prev;

  897.     bool                m_init;

  898.     bool                m_first_tick;

  899. 

  900.     //Camera Setup

  901.     Camera *            m_camera;

  902.     float               m_reset_timer;

  903.     float               m_fov;

  904.     float               m_fov_mesh;

  905.     float               m_fov_speed;

  906.     float               m_zoom;

  907.     float               m_zoom_mesh;

  908.     float               m_zoom_speed;

  909.     vec2                m_rot;

  910.     vec2                m_rot_mesh;

  911.     vec2                m_rot_speed;

  912.     vec2                m_pos;

  913.     vec2                m_pos_mesh;

  914.     vec2                m_pos_speed;

  915.     vec2                m_hist_scale;

  916.     vec2                m_hist_scale_mesh;

  917.     vec2                m_hist_scale_speed;

  918.     vec2                m_screen_offset;

  919. 

  920.     //Mesh update timer

  921.     float               m_build_timer;

  922.     float               m_build_time;

  923. 

  924.     //Mesh infos

  925.     vec2                m_render_max;

  926.     int                 m_mesh_render;

  927.     int                 m_mesh_id;

  928.     float               m_mesh_id1;

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

  930.     array<EasyMesh*>    m_gizmos;

  931. 

  932.     //File data

  933.     String              m_file_name;

  934.     array<String>       m_cmdlist;

  935.     float               m_stream_update_time;

  936.     float               m_stream_update_timer;

  937. 

  938.     //misc datas

  939.     Shader *            m_texture_shader;

  940.     TileSet *           m_default_texture;

  941.     Texture *           m_texture;

  942.     ShaderUniform       m_texture_uni;

  943. };

  944. 

  945. //The basic main :

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

  947. {

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

  949. 

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

  951.     if (argc > 1)

  952.         new MeshViewer(argv[1]);

  953.     else

  954.         new MeshViewer();

  955.     app.Run();

  956. 

  957.     return EXIT_SUCCESS;

  958. }