nuclear@2: #include <assert.h>
nuclear@2: #include "comp_xform.h"
nuclear@2: #include "gameobj.h"
nuclear@2: 
nuclear@3: static CompXForm reg_co_xform;
nuclear@3: static CompPRS reg_co_prs;
nuclear@3: 
nuclear@2: static Component *cons_xform() { return new CompXForm; }
nuclear@2: static Component *cons_prs() { return new CompPRS; }
nuclear@2: 
nuclear@2: CompXForm::CompXForm()
nuclear@2: {
nuclear@2: 	name = "xform";
nuclear@2: 
nuclear@2: 	register_component(name, cons_xform);
nuclear@2: }
nuclear@2: 
nuclear@2: CompPRS::CompPRS()
nuclear@2: {
nuclear@2: 	name = "prs";
nuclear@2: 
nuclear@2: 	register_component(name, cons_prs);
nuclear@2: }
nuclear@2: 
nuclear@2: void CompPRS::update()
nuclear@2: {
nuclear@2: 	if(!gobj) return;
nuclear@2: 
nuclear@2: 	if(!co_xform) {
nuclear@2: 		Component *co = gobj->get_component("xform");
nuclear@2: 		if(!co || !(co_xform = dynamic_cast<CompXForm*>(co))) {
nuclear@2: 			assert(co_xform);
nuclear@2: 			return;
nuclear@2: 		}
nuclear@2: 	}
nuclear@2: 
nuclear@2: 	Matrix4x4 rmat = rot.get_rotation_matrix();
nuclear@2: 	Matrix4x4 tmat, smat;
nuclear@2: 
nuclear@2: 	tmat.set_translation(pos);
nuclear@2: 	smat.set_scaling(scale);
nuclear@2: 
nuclear@2: 	co_xform->xform = rmat * tmat * smat;
nuclear@2: }