begin refactor

1 files changed, 17 insertions, 0 deletions

diff --git a/honey/ecs/collision.lua b/honey/ecs/collision.lua
index 4c8af5b..46028b4 100644
--- a/honey/ecs/collision.lua
+++ b/honey/ecs/collision.lua
@@ -1,3 +1,4 @@
+local mesh = require 'honey.mesh'
 local glm = require 'honey.glm'
 local Vec3 = glm.Vec3
 local ode = honey.ode
@@ -7,6 +8,18 @@ setmetatable(module, {__index=_G})
 setfenv(1, module)
 
 
+local function loadTriMesh(space, filename)
+	local attrib, shapes, _ = honey.tinyobj.parse_obj(
+		filename, honey.tinyobj.FLAG_TRIANGULATE
+	)
+	local vertices, indices = mesh.loadShape(shapes[1], attrib)
+
+	trimeshdata = ode.GeomTriMeshDataCreate()
+	ode.GeomTriMeshDataBuild(trimeshdata, vertices, indices)
+	return ode.CreateTriMesh(space, trimeshdata)
+end
+
+
 --===== collision space =====--
 
 
@@ -27,6 +40,8 @@ local function createGeom(self, id, collision)
 		geom = ode.CreatePlane(self.space, normal[1], normal[2], normal[3], d)
 	elseif collision.class == "ray" then
 		geom = ode.CreateRay(self.space, collision.length)
+	elseif collision.class == "trimesh" then
+		geom = loadTriMesh(self.space, collision.filename)
 	end
 
 	ode.GeomSetCategoryBits(geom, collision.category or 1)
@@ -44,6 +59,8 @@ end
 local function isPlaceable(collision)
 	if collision.class == "ray" then
 		return true
+	elseif collision.class == "trimesh" then
+		return true
 	end
 	return false
 end