modules/RenderEngine/src/init.lua

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