nuclear@1: #include "object.h"
nuclear@1: #include "opengl.h"
nuclear@19: #include "shadow.h"
nuclear@1: 
nuclear@14: Material::Material()
nuclear@14: 	: diffuse(1, 1, 1), specular(0, 0, 0)
nuclear@14: {
nuclear@14: 	shininess = 60.0;
nuclear@14: 	alpha = 1.0;
nuclear@14: }
nuclear@14: 
nuclear@14: RenderOps::RenderOps()
nuclear@14: {
nuclear@14: 	zwrite = true;
nuclear@14: }
nuclear@14: 
nuclear@14: void RenderOps::setup() const
nuclear@14: {
nuclear@14: 	if(!zwrite) {
nuclear@14: 		glDepthMask(0);
nuclear@14: 	}
nuclear@14: }
nuclear@14: 
nuclear@1: Object::Object()
nuclear@1: {
nuclear@1: 	mesh = 0;
nuclear@4: 	tex = 0;
nuclear@15: 	sdr = 0;
nuclear@1: }
nuclear@1: 
nuclear@1: Object::~Object()
nuclear@1: {
nuclear@1: 	delete mesh;
nuclear@1: }
nuclear@1: 
nuclear@1: Matrix4x4 &Object::xform()
nuclear@1: {
nuclear@1: 	return matrix;
nuclear@1: }
nuclear@1: 
nuclear@1: const Matrix4x4 &Object::xform() const
nuclear@1: {
nuclear@1: 	return matrix;
nuclear@1: }
nuclear@1: 
nuclear@6: Matrix4x4 &Object::tex_xform()
nuclear@6: {
nuclear@6: 	return tex_matrix;
nuclear@6: }
nuclear@6: 
nuclear@6: const Matrix4x4 &Object::tex_xform() const
nuclear@6: {
nuclear@6: 	return tex_matrix;
nuclear@6: }
nuclear@6: 
nuclear@1: void Object::set_mesh(Mesh *m)
nuclear@1: {
nuclear@1: 	this->mesh = m;
nuclear@1: }
nuclear@1: 
nuclear@1: Mesh *Object::get_mesh() const
nuclear@1: {
nuclear@1: 	return mesh;
nuclear@1: }
nuclear@1: 
nuclear@4: void Object::set_texture(unsigned int tex)
nuclear@4: {
nuclear@4: 	this->tex = tex;
nuclear@4: }
nuclear@4: 
nuclear@15: void Object::set_shader(unsigned int sdr)
nuclear@15: {
nuclear@16: 	if(GLEW_ARB_vertex_shader && GLEW_ARB_fragment_shader) {
nuclear@16: 		this->sdr = sdr;
nuclear@16: 	}
nuclear@15: }
nuclear@15: 
nuclear@1: void Object::draw() const
nuclear@1: {
nuclear@1: 	if(!mesh) return;
nuclear@1: 
nuclear@14: 	glPushAttrib(GL_ENABLE_BIT | GL_DEPTH_BUFFER_BIT);
nuclear@14: 	rop.setup();
nuclear@14: 
nuclear@19: 	if(sdr && !shadow_pass) {
nuclear@15: 		glUseProgram(sdr);
nuclear@15: 	}
nuclear@15: 
nuclear@4: 	if(tex) {
nuclear@4: 		glBindTexture(GL_TEXTURE_2D, tex);
nuclear@4: 		glEnable(GL_TEXTURE_2D);
nuclear@6: 
nuclear@6: 		glMatrixMode(GL_TEXTURE);
nuclear@6: 		glPushMatrix();
nuclear@6: 		glLoadTransposeMatrixf(tex_matrix[0]);
nuclear@4: 	} else {
nuclear@4: 		glDisable(GL_TEXTURE_2D);
nuclear@4: 	}
nuclear@4: 
nuclear@1: 	glMatrixMode(GL_MODELVIEW);
nuclear@1: 	glPushMatrix();
nuclear@2: 	glMultTransposeMatrixf(matrix[0]);
nuclear@1: 
nuclear@6: 	float dcol[] = {mtl.diffuse.x, mtl.diffuse.y, mtl.diffuse.z, mtl.alpha};
nuclear@6: 	glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, dcol);
nuclear@6: 	float scol[] = {mtl.specular.x, mtl.specular.y, mtl.specular.z, 1.0f};
nuclear@6: 	glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, scol);
nuclear@6: 	glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, mtl.shininess);
nuclear@6: 
nuclear@1: 	mesh->draw();
nuclear@1: 
nuclear@4: 	if(tex) {
nuclear@4: 		glDisable(GL_TEXTURE_2D);
nuclear@6: 
nuclear@6: 		glMatrixMode(GL_TEXTURE);
nuclear@6: 		glPopMatrix();
nuclear@4: 	}
nuclear@6: 
nuclear@15: 	if(sdr) {
nuclear@15: 		glUseProgram(0);
nuclear@15: 	}
nuclear@15: 
nuclear@6: 	glMatrixMode(GL_MODELVIEW);
nuclear@6: 	glPopMatrix();
nuclear@14: 
nuclear@14: 	glPopAttrib();
nuclear@1: }
nuclear@3: 
nuclear@11: void Object::draw_wire(const Vector4 &col) const
nuclear@11: {
nuclear@11: 	glPushAttrib(GL_ENABLE_BIT);
nuclear@11: 	glDisable(GL_LIGHTING);
nuclear@11: 
nuclear@11: 	glMatrixMode(GL_MODELVIEW);
nuclear@11: 	glPushMatrix();
nuclear@11: 	glMultTransposeMatrixf(matrix[0]);
nuclear@11: 
nuclear@11: 	glColor4f(col.x, col.y, col.z, col.w);
nuclear@11: 	mesh->draw_wire();
nuclear@11: 
nuclear@11: 	glPopMatrix();
nuclear@11: 	glPopAttrib();
nuclear@11: }
nuclear@11: 
nuclear@11: void Object::draw_vertices(const Vector4 &col) const
nuclear@11: {
nuclear@11: 	glPushAttrib(GL_ENABLE_BIT);
nuclear@11: 	glDisable(GL_LIGHTING);
nuclear@11: 
nuclear@11: 	glMatrixMode(GL_MODELVIEW);
nuclear@11: 	glPushMatrix();
nuclear@11: 	glMultTransposeMatrixf(matrix[0]);
nuclear@11: 
nuclear@11: 	glColor4f(col.x, col.y, col.z, col.w);
nuclear@11: 	mesh->draw_vertices();
nuclear@11: 
nuclear@11: 	glPopMatrix();
nuclear@11: 	glPopAttrib();
nuclear@11: }
nuclear@11: 
nuclear@11: void Object::draw_normals(float len, const Vector4 &col) const
nuclear@11: {
nuclear@11: 	glPushAttrib(GL_ENABLE_BIT);
nuclear@11: 	glDisable(GL_LIGHTING);
nuclear@11: 
nuclear@11: 	glMatrixMode(GL_MODELVIEW);
nuclear@11: 	glPushMatrix();
nuclear@11: 	glMultTransposeMatrixf(matrix[0]);
nuclear@11: 
nuclear@11: 	glColor4f(col.x, col.y, col.z, col.w);
nuclear@11: 	mesh->set_vis_vecsize(len);
nuclear@11: 	mesh->draw_normals();
nuclear@11: 
nuclear@11: 	glPopMatrix();
nuclear@11: 	glPopAttrib();
nuclear@11: }
nuclear@11: 
nuclear@11: void Object::draw_tangents(float len, const Vector4 &col) const
nuclear@11: {
nuclear@11: 	glPushAttrib(GL_ENABLE_BIT);
nuclear@11: 	glDisable(GL_LIGHTING);
nuclear@11: 
nuclear@11: 	glMatrixMode(GL_MODELVIEW);
nuclear@11: 	glPushMatrix();
nuclear@11: 	glMultTransposeMatrixf(matrix[0]);
nuclear@11: 
nuclear@11: 	glColor4f(col.x, col.y, col.z, col.w);
nuclear@11: 	mesh->set_vis_vecsize(len);
nuclear@11: 	mesh->draw_tangents();
nuclear@11: 
nuclear@11: 	glPopMatrix();
nuclear@11: 	glPopAttrib();
nuclear@11: }
nuclear@11: 
nuclear@3: bool Object::intersect(const Ray &ray, HitPoint *hit) const
nuclear@3: {
nuclear@3: 	return false;	// TODO
nuclear@3: }