From 3c9ba50944f1b136125e1191ccbc49fda1381123 Mon Sep 17 00:00:00 2001 From: sanine Date: Fri, 7 Apr 2023 00:53:03 -0500 Subject: renormalize line endings --- honey/ecs-systems.lua | 236 +++++++++++++++++++++++++------------------------- 1 file changed, 118 insertions(+), 118 deletions(-) (limited to 'honey/ecs-systems.lua') diff --git a/honey/ecs-systems.lua b/honey/ecs-systems.lua index 18f50a8..9995304 100644 --- a/honey/ecs-systems.lua +++ b/honey/ecs-systems.lua @@ -1,118 +1,118 @@ -local ecs = require 'honey.ecs' -local gl = honey.gl -local glfw = honey.glfw - - -local module = {} -setmetatable(module, {__index=_G}) -setfenv(1, module) - - - ---===== transform cascading =====-- - -transform = function(params) - return { - db = params.db, - update = function(self, dt) - local entities = self.db:queryComponent("transform") - - -- prepare transforms - for id, transform in pairs(entities) do - transform._visited = false - end - - -- helper function - local function recursiveTransform(transform) - if transform._visited then - return transform._matrix - end - - if not transform.parent then - transform._matrix = transform.matrix - else - local parentTransform = self.db:getComponent(transform.parent, "transform") - local parentMatrix = recursiveTransform(parentTransform) - transform._matrix = parentMatrix * transform.matrix - end - transform._visited = true - return transform._matrix - end - - -- compute transforms - for id, transform in pairs(entities) do - recursiveTransform(transform) - end - end, - priority = 0, - } -end - - - ---===== rendering =====-- - -function renderCamera(params) - return { - camera = params.camera, - db = params.db, - priority = params.priority or 99, - update = function(self, dt) - local cameraParams = self.db:getComponent(self.camera, "camera") - local cameraTransform = self.db:getComponent(self.camera, "transform") - local view - if cameraTransform then - view = cameraTransform._matrix - else - view = Mat4():identity() - end - - local entities = self.db:queryComponent("renderMesh") - for entity, tbl in pairs(entities) do - -- get shader - local shader = honey.shader.loadShader(tbl.shader.vertex, tbl.shader.fragment) - shader:use() - - -- bind textures - local texOffset = 0 - for name, texTbl in pairs(tbl.textures or {}) do - local texture = honey.image.loadImage(texTbl.filename, texTbl.params) - gl.BindTexture(gl.TEXTURE_2D + texOffset, texture.texture) - shader:setInt(name, texOffset) - texOffset = texOffset + 1 - end - - -- configure default uniforms - local query = self.db:getComponent(entity, "transform") - local model = (query and query._matrix) or Mat4():identity() - shader:configure{ - float={ - time=glfw.GetTime(), - }, - matrix={ - view=view, - projection=cameraParams.projection, - model=model, - }, - } - - -- draw mesh - local mesh = honey.mesh.loadMesh(tbl.mesh.filename, tbl.mesh.index) - mesh:drawElements() - - -- unbind textures - for i=0,texOffset-1 do - gl.BindTexture(gl.TEXTURE_2D + i, 0) - end - end - end, - } -end - - - ---===== update functions =====-- - - - -return module +local ecs = require 'honey.ecs' +local gl = honey.gl +local glfw = honey.glfw + + +local module = {} +setmetatable(module, {__index=_G}) +setfenv(1, module) + + + +--===== transform cascading =====-- + +transform = function(params) + return { + db = params.db, + update = function(self, dt) + local entities = self.db:queryComponent("transform") + + -- prepare transforms + for id, transform in pairs(entities) do + transform._visited = false + end + + -- helper function + local function recursiveTransform(transform) + if transform._visited then + return transform._matrix + end + + if not transform.parent then + transform._matrix = transform.matrix + else + local parentTransform = self.db:getComponent(transform.parent, "transform") + local parentMatrix = recursiveTransform(parentTransform) + transform._matrix = parentMatrix * transform.matrix + end + transform._visited = true + return transform._matrix + end + + -- compute transforms + for id, transform in pairs(entities) do + recursiveTransform(transform) + end + end, + priority = 0, + } +end + + + +--===== rendering =====-- + +function renderCamera(params) + return { + camera = params.camera, + db = params.db, + priority = params.priority or 99, + update = function(self, dt) + local cameraParams = self.db:getComponent(self.camera, "camera") + local cameraTransform = self.db:getComponent(self.camera, "transform") + local view + if cameraTransform then + view = cameraTransform._matrix + else + view = Mat4():identity() + end + + local entities = self.db:queryComponent("renderMesh") + for entity, tbl in pairs(entities) do + -- get shader + local shader = honey.shader.loadShader(tbl.shader.vertex, tbl.shader.fragment) + shader:use() + + -- bind textures + local texOffset = 0 + for name, texTbl in pairs(tbl.textures or {}) do + local texture = honey.image.loadImage(texTbl.filename, texTbl.params) + gl.BindTexture(gl.TEXTURE_2D + texOffset, texture.texture) + shader:setInt(name, texOffset) + texOffset = texOffset + 1 + end + + -- configure default uniforms + local query = self.db:getComponent(entity, "transform") + local model = (query and query._matrix) or Mat4():identity() + shader:configure{ + float={ + time=glfw.GetTime(), + }, + matrix={ + view=view, + projection=cameraParams.projection, + model=model, + }, + } + + -- draw mesh + local mesh = honey.mesh.loadMesh(tbl.mesh.filename, tbl.mesh.index) + mesh:drawElements() + + -- unbind textures + for i=0,texOffset-1 do + gl.BindTexture(gl.TEXTURE_2D + i, 0) + end + end + end, + } +end + + + +--===== update functions =====-- + + + +return module -- cgit v1.2.1