experimental map shaders

modules/game_shaders/shaders.lua

@@ -0,0 +1,56 @@
+Shaders = {}
+
+local HOTKEY = 'Ctrl+X'
+local SHADERS = {
+  ['Default'] = 'shaders/default.frag',
+  ['Bloom'] = 'shaders/bloom.frag',
+  ['Sepia'] = 'shaders/sepia.frag',
+  ['Grayscale'] = 'shaders/grayscale.frag',
+  ['Pulse'] = 'shaders/pulse.frag',
+  ['Old Tv'] = 'shaders/oldtv.frag',
+  ['Fog'] = 'shaders/fog.frag',
+  ['Party'] = 'shaders/party.frag',
+  ['Radial Blur'] = 'shaders/radialblur.frag',
+  ['Zomg'] = 'shaders/zomg.frag',
+}
+
+local shadersPanel
+
+function Shaders.init()
+  importStyle 'shaders.otui'
+
+
+  Keyboard.bindKeyDown(HOTKEY, Shaders.toggle)
+
+  shadersPanel = createWidget('ShadersPanel', GameInterface.getMapPanel())
+  shadersPanel:hide()
+
+  local mapComboBox = shadersPanel:getChildById('mapComboBox')
+  mapComboBox.onOptionChange = function(combobox, option)
+    local map = GameInterface.getMapPanel()
+    map:setMapShader(g_shaders.getShader(option))
+    print(option)
+  end
+
+  for name,file in pairs(SHADERS) do
+    local shader = g_shaders.createFragmentShader(name, file)
+    mapComboBox:addOption(name)
+
+    if name == 'Fog' then
+      shader:addMultiTexture('images/clouds.png')
+    end
+  end
+
+  local map = GameInterface.getMapPanel()
+  map:setMapShader(g_shaders.getShader('Default'))
+end
+
+function Shaders.terminate()
+  Keyboard.unbindKeyDown(HOTKEY)
+  shadersPanel:destroy()
+  shadersPanel = nil
+end
+
+function Shaders.toggle()
+  shadersPanel:setVisible(not shadersPanel:isVisible())
+end