Initial commit

2026-03-15 14:54:49 +03:00
commit 64f8029c06
4027 changed files with 254888 additions and 0 deletions
--- a/addons/mantle_darkfated_ultracode/lua/mantle/modules/shadows.lua
+++ b/addons/mantle_darkfated_ultracode/lua/mantle/modules/shadows.lua
@@ -0,0 +1,115 @@
+local math_sin = math.sin
+local math_cos = math.cos
+local math_rad = math.rad
+local math_ceil = math.ceil
+
+local function CreateBShadows()
+    BShadows = {}
+
+    local resStr = Mantle.func.sw .. Mantle.func.sh
+
+    BShadows.RenderTarget = GetRenderTarget('BShadows_original_' .. resStr, Mantle.func.sw, Mantle.func.sh)
+    BShadows.RenderTarget2 = GetRenderTarget('BShadows_shadow_' .. resStr, Mantle.func.sw, Mantle.func.sh)
+    BShadows.ShadowMaterial = CreateMaterial('BShadows', 'UnlitGeneric', {
+        ['$translucent'] = 1,
+        ['$vertexalpha'] = 1,
+        ['alpha'] = 1
+    })
+
+    BShadows.ShadowMaterialGrayscale = CreateMaterial('BShadows_grayscale', 'UnlitGeneric', {
+        ['$translucent'] = 1,
+        ['$vertexalpha'] = 1,
+        ['$alpha'] = 1,
+        ['$color'] = '0 0 0',
+        ['$color2'] = '0 0 0'
+    })
+
+    BShadows.BeginShadow = function()
+        render.PushRenderTarget(BShadows.RenderTarget)
+
+        render.OverrideAlphaWriteEnable(true, true)
+        render.Clear(0, 0, 0, 0)
+        render.OverrideAlphaWriteEnable(false, false)
+
+        cam.Start2D()
+    end
+
+    BShadows.EndShadow = function(intensity, spread, blur, opacity, direction, distance, bool_shadow_only)
+        opacity = opacity or 255
+        direction = direction or 0
+        distance = distance or 0
+        bool_shadow_only = bool_shadow_only or false
+
+        render.CopyRenderTargetToTexture(BShadows.RenderTarget2)
+
+        if blur > 0 then
+            render.OverrideAlphaWriteEnable(true, true)
+            render.BlurRenderTarget(BShadows.RenderTarget2, spread, spread, blur)
+            render.OverrideAlphaWriteEnable(false, false)
+        end
+
+        render.PopRenderTarget()
+
+        BShadows.ShadowMaterial:SetTexture('$basetexture', BShadows.RenderTarget)
+        BShadows.ShadowMaterialGrayscale:SetTexture('$basetexture', BShadows.RenderTarget2)
+
+        local xOffset = math_sin(math_rad(direction)) * distance
+        local yOffset = math_cos(math_rad(direction)) * distance
+
+        BShadows.ShadowMaterialGrayscale:SetFloat('$alpha', opacity / 255)
+        render.SetMaterial(BShadows.ShadowMaterialGrayscale)
+
+        for i = 1, math_ceil(intensity) do
+            render.DrawScreenQuadEx(xOffset, yOffset, Mantle.func.sw, Mantle.func.sh)
+        end
+
+        if !bool_shadow_only then
+            BShadows.ShadowMaterial:SetTexture('$basetexture', BShadows.RenderTarget)
+            render.SetMaterial(BShadows.ShadowMaterial)
+            render.DrawScreenQuad()
+        end
+
+        cam.End2D()
+    end
+
+    BShadows.DrawShadowTexture = function(texture, intensity, spread, blur, opacity, direction, distance, bool_shadow_only)
+        opacity = opacity or 255
+        direction = direction or 0
+        distance = distance or 0
+        bool_shadow_only = bool_shadow_only or false
+
+        render.CopyTexture(texture, BShadows.RenderTarget2)
+
+        if blur > 0 then
+            render.PushRenderTarget(BShadows.RenderTarget2)
+            render.OverrideAlphaWriteEnable(true, true)
+            render.BlurRenderTarget(BShadows.RenderTarget2, spread, spread, blur)
+            render.OverrideAlphaWriteEnable(false, false)
+            render.PopRenderTarget()
+        end
+
+        BShadows.ShadowMaterialGrayscale:SetTexture('$basetexture', BShadows.RenderTarget2)
+
+        local xOffset = math_sin(math_rad(direction)) * distance
+        local yOffset = math_cos(math_rad(direction)) * distance
+
+        BShadows.ShadowMaterialGrayscale:SetFloat('$alpha', opacity / 255)
+        render.SetMaterial(BShadows.ShadowMaterialGrayscale)
+
+        for i = 1, math_ceil(intensity) do
+            render.DrawScreenQuadEx(xOffset, yOffset, Mantle.func.sw, Mantle.func.sh)
+        end
+
+        if !bool_shadow_only then
+            BShadows.ShadowMaterial:SetTexture('$basetexture', texture)
+            render.SetMaterial(BShadows.ShadowMaterial)
+            render.DrawScreenQuad()
+        end
+    end
+end
+
+CreateBShadows()
+
+hook.Add('OnScreenSizeChanged', 'Mantle.Shadows', function()
+    CreateBShadows()
+end)