feat: add support for box3D visuals

framework/scenes/world/actors/visuals/boxes.lua

@@ -0,0 +1,119 @@
+-- box3D :: drawable box with shadow handling for fake3D actors
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local Box3D = Object:extend()
+
+Box3D.is2D = false
+
+-- INITIALISATIONS FUNCTIONS
+
+function Box3D:new(dimensions, texture)
+    self.dimensions = { w = dimensions.w, h = dimensions.h, d = dimensions.d or 1 }
+
+    self:_initTexturesAssets(texture)
+    self:_regenerate()
+end
+
+function Box3D:_initTexturesAssets(texture)
+    if (texture == nil) then
+        self.color = {r = 1, g = 1, b = 1}
+        self.haveLine = true
+        return
+    end
+    if (type(texture) == "string") then
+        self.texture = {top = texture, bottom = texture}
+        self.topTexture, self.bottomTexture = texture, texture
+        self.haveLine = false
+    elseif (type(texture) == "table" and type(texture.top) == "string") then
+        self.texture = {top = texture.top, bottom = texture.bottom or texture.top}
+        self.haveLine = (texture.haveLine == true)
+    else
+        self.color = {r = texture.r or 1, g = texture.g or 1, b = texture.b or 1}
+        self.haveLine = (texture.haveLine ~= false)
+    end
+end
+
+function Box3D:modify(dimensions)
+    self.dimensions = { w = dimensions.w, h = dimensions.h, d = dimensions.d or 1 }
+
+    self:_regenerate()
+end
+
+function Box3D:_regenerate()
+    local canvas = love.graphics.newCanvas(self.dimensions.w, self.dimensions.h + self.dimensions.d)
+    love.graphics.setCanvas(canvas)
+    utils.graphics.resetColor()
+
+    local r, g, b = love.graphics.getColor()
+    self:drawTextureContent()
+    love.graphics.setColor(r, g, b, 1)
+
+    love.graphics.setCanvas()
+    local imagedata = canvas:newImageData()
+    self.texture = love.graphics.newImage(imagedata)
+    imagedata:release()
+    canvas:release()
+end
+
+function Box3D:drawTextureContent()
+    self:drawTopTexture()
+    self:drawBottomTexture()
+end
+
+function Box3D:drawTopTexture()
+    if (self.color ~= nil) then
+        love.graphics.setColor(self.color.r, self.color.g, self.color.b, 1)
+        love.graphics.rectangle("fill", 0, 0, self.dimensions.w, self.dimensions.h)
+    else
+        local asset = assets.textures:get(self.texture.top)
+        local w, h = asset:getDimensions()
+        local sx = self.dimensions.w / w
+        local sy = self.dimensions.h / h
+        love.graphics.draw(asset, 0, 0, 0, sx, sy)
+    end
+end
+
+function Box3D:drawBottomTexture()
+    if (self.color ~= nil) then
+        love.graphics.setColor(self.color.r * 0.9, self.color.g * 0.9, self.color.b * 0.9, 1)
+        love.graphics.rectangle("fill", 0, self.dimensions.h, self.dimensions.w, self.dimensions.d)
+    else
+        local asset = assets.textures:get(self.texture.bottom)
+        local w, h = asset:getDimensions()
+        local sx = self.dimensions.w / w
+        local sy = self.dimensions.d / h
+        love.graphics.draw(asset, 0, self.dimensions.h, 0, sx, sy)
+    end
+end
+
+function Box3D:draw(position)
+    local x, y = position.x, (position.y - position.z) - (self.dimensions.d)
+    love.graphics.setColor(0, 0, 0, 1)
+    if (self.haveLine) then
+        love.graphics.rectangle("line", x, y, self.dimensions.w, self.dimensions.d + self.dimensions.h)
+    end
+    utils.graphics.resetColor()
+    love.graphics.draw(self.texture, x, y)
+end
+
+return Box3D

framework/scenes/world/actors/visuals/init.lua

@@ -1,5 +1,6 @@
 local Rectangle = require "framework.scenes.world.actors.visuals.rectangle"
 local Sprite = require "framework.scenes.world.actors.visuals.sprite"
+local Box3D = require "framework.scenes.world.actors.visuals.boxes"
 local Visual = Object:extend()
 
 local Vector3D = require "framework.libs.brinevector3D"
@@ -11,6 +12,8 @@ function Visual:_initVisual(def)
         self:_initBox(def.color or {r = 0, g = 0, b = 0})
     elseif (self.visualMode == "sprite") then
         self:_initSprite(def.assetName, def.clone == true, def.origin or {}, def.withCallbacks == true, def.getHitboxes == true)
+    elseif (self.visualMode == "box3D") then
+        self:_initBox3D(self.dimensions, def.texture or def.color)
     end
 
     if (self.visual ~= nil) then
@@ -40,17 +43,9 @@ function Visual:_getShapeData()
     }
 
     if (self.world.type == "3D") then
-        -- TODO: vérifier si l'algo est bon
-        position.y = position.y - self.dimensions.d - position.z + (3 * self.dimensions.h / 4)
-        dimensions = {
-            w = self.dimensions.w,
-            h = self.dimensions.h + self.dimensions.d,
-            d = self.dimensions.d
-        }
+        position.y = (position.y - position.z) - self.dimensions.d
+        dimensions.h = self.dimensions.h + self.dimensions.d
     end
-
-    print(self.world.type, position)
-
     return position, dimensions
 end
 
@@ -64,7 +59,11 @@ function Visual:_getViewCenter(mode)
 end
 
 function Visual:_drawVisual()
-    local position, dimensions = self:_getShapeData()
+    local position, dimensions = self.position:clone(), self.dimensions
+    if (self.world.type == "3D" and self.visual.is2D) then
+        position, dimensions = self:_getShapeData()
+        position.y = position.y + self.dimensions.h * (3 / 4)
+    end
     self.visual:draw(position, dimensions);
 end
 
@@ -75,6 +74,13 @@ function Visual:_initBox(color)
     self.visual = Rectangle(color)
 end
 
+-- BOX3D HANDLING
+-- Handle the 3D mode
+
+function Visual:_initBox3D(dimension, texture)
+    self.visual = Box3D(dimension, texture)
+end
+
 -- SPRITE HANDLING
 -- Handle the sprite mode for visual
 

framework/scenes/world/actors/visuals/rectangle.lua

@@ -1,5 +1,7 @@
 local Rectangle = Object:extend()
 
+Rectangle.is2D = true
+
 function Rectangle:new(color)
     self.color = {r = color.r or 0, g = color.g or 0, b = color.b or 0}
 end

framework/scenes/world/actors/visuals/sprite.lua

@@ -1,6 +1,8 @@
 local Sprite = Object:extend()
 local Vector3D = require "framework.libs.brinevector3D"
 
+Sprite.is2D = true
+
 -- SPRITES FUNCTIONS
 -- Handle the sprite of the actor