modules/RenderEngine/src/init.lua

   1 RenderEngine:run("camera")
   2 RenderEngine:run("shaders")
   3 RenderEngine:run("textures")
   4 RenderEngine:run("window")
   5
   6 RenderEngine.Mesh = RenderEngine:run("mesh")
   7
   8 function RenderEngine:init()
   9         self:init_glfw()
  10         self:create_window()
  11         self:init_glew()
  12         self:load_shaders()
  13         self:set_sky("#FFFFFF")
  14         self:add_render_task()
  15 end
  16
  17 function RenderEngine:init_glew()
  18         gl.init()
  19 end
  20
  21 function RenderEngine:add_render_task()
  22         Dragonblocks:add_task(function()
  23
  24         end)
  25 end
  26
  27 function RenderEngine:render_loop()
  28         self.last_time = glfw.get_time()
  29         repeat
  30                 self:render()
  31                 --coroutine.yield()
  32         until glfw.window_should_close(self.window)
  33 end
  34
  35 function RenderEngine:render()
  36         local dtime = glfw.get_time() - self.last_time
  37         self.last_time = glfw.get_time()
  38
  39         gl.clear_color(self.sky)
  40         gl.enable("depth test")
  41         gl.clear("color", "depth")
  42
  43         gl.use_program(self.shaders)
  44
  45         local view_matrix = glm.translate(self.camera_pos)
  46         local projection_matrix = glm.perspective(math.rad(self.fov), self.window_width / self.window_height, 0.1, 100)
  47
  48         gl.uniform_matrix4f(self.projection_matix_location, true, projection_matrix)
  49         gl.uniform_matrix4f(self.view_matix_location, true, view_matrix)
  50
  51         for _, mesh in ipairs(self.Mesh.list) do
  52                 mesh:render(dtime)
  53         end
  54
  55         glfw.swap_buffers(self.window)
  56         glfw.poll_events()
  57 end
  58
  59
  60 --[[
  61 function RenderEngine:clear_removed_meshes()
  62         local remove_indices = {}
  63         for index, mesh in pairs(self.meshes) do
  64                 if mesh.removed then
  65                         table.insert(remove_indices, index)
  66                 end
  67         end
  68         for i, index in pairs(remove_indices)
  69                 table.remove(self.meshes, index - i + 1)
  70         end
  71 end
  72 ]]--
  73 function RenderEngine:set_sky(htmlcolor)
  74         local r, g, b = hex2rgb(htmlcolor)
  75         self.sky = {r, g, b, 1.0}
  76 end
  77
  78 function RenderEngine:set_wireframe(v)
  79         gl.polygon_mode("front and back", (v and "line" or "fill"))
  80 end