nuclear@0: #include "opengl.h"
nuclear@0: #include "board.h"
nuclear@1: #include "meshgen.h"
nuclear@0: 
nuclear@0: 
nuclear@0: Board::Board()
nuclear@0: {
nuclear@2: 	puck_obj = 0;
nuclear@0: 	clear();
nuclear@0: }
nuclear@0: 
nuclear@0: Board::~Board()
nuclear@0: {
nuclear@0: 	destroy();
nuclear@0: }
nuclear@0: 
nuclear@0: bool Board::init()
nuclear@0: {
nuclear@4: 	if(!generate_textures()) {
nuclear@4: 		return false;
nuclear@4: 	}
nuclear@1: 	if(!generate()) {
nuclear@0: 		return false;
nuclear@0: 	}
nuclear@1: 
nuclear@0: 	return true;
nuclear@0: }
nuclear@0: 
nuclear@0: void Board::destroy()
nuclear@0: {
nuclear@2: 	for(size_t i=0; i<obj.size(); i++) {
nuclear@2: 		delete obj[i];
nuclear@1: 	}
nuclear@2: 	obj.clear();
nuclear@1: 
nuclear@2: 	delete puck_obj;
nuclear@2: 	puck_obj = 0;
nuclear@0: }
nuclear@0: 
nuclear@0: void Board::clear()
nuclear@0: {
nuclear@0: 	memset(slots, 0, sizeof slots);
nuclear@0: }
nuclear@0: 
nuclear@0: void Board::draw() const
nuclear@0: {
nuclear@2: 	for(size_t i=0; i<obj.size(); i++) {
nuclear@2: 		obj[i]->draw();
nuclear@1: 	}
nuclear@0: }
nuclear@0: 
nuclear@1: #define HSIZE	1.0
nuclear@1: #define VSIZE	(2.0 * HSIZE)
nuclear@1: #define BOT_THICKNESS	(HSIZE * 0.01)
nuclear@1: #define WALL_THICKNESS	(HSIZE * 0.05)
nuclear@1: #define WALL_HEIGHT		(HSIZE * 0.1)
nuclear@1: #define GAP				(HSIZE * 0.025)
nuclear@1: #define HINGE_RAD		(GAP * 0.5)
nuclear@1: #define HINGE_HEIGHT	(VSIZE * 0.075)
nuclear@1: 
nuclear@1: bool Board::generate()
nuclear@0: {
nuclear@4: 	Mesh tmp;
nuclear@1: 	Matrix4x4 xform;
nuclear@1: 
nuclear@2: 	obj.clear();
nuclear@2: 
nuclear@4: 	for(int i=0; i<2; i++) {
nuclear@4: 		int sign = i * 2 - 1;
nuclear@1: 
nuclear@4: 		// generate bottom
nuclear@4: 		Mesh *bottom = new Mesh;
nuclear@4: 		gen_box(bottom, HSIZE, BOT_THICKNESS, HSIZE * 2.0);
nuclear@4: 		xform.set_translation(Vector3(0, -BOT_THICKNESS / 2.0, 0));
nuclear@4: 		bottom->apply_xform(xform);
nuclear@2: 
nuclear@4: 		Object *obottom = new Object;
nuclear@4: 		obottom->set_mesh(bottom);
nuclear@4: 		obottom->xform().set_translation(Vector3(sign * (HSIZE / 2.0 + WALL_THICKNESS + HINGE_RAD * 0.25), 0, 0));
nuclear@4: 		obottom->set_texture(img_field.texture());
nuclear@4: 		obj.push_back(obottom);
nuclear@2: 
nuclear@1: 
nuclear@4: 		// generate the 4 sides
nuclear@4: 		Mesh *sides = new Mesh;
nuclear@4: 		gen_box(sides, WALL_THICKNESS, WALL_HEIGHT, VSIZE + WALL_THICKNESS * 2);
nuclear@4: 		xform.set_translation(Vector3(-(HSIZE + WALL_THICKNESS) / 2.0,
nuclear@4: 					WALL_HEIGHT / 2.0 - BOT_THICKNESS, 0));
nuclear@4: 		sides->apply_xform(xform);
nuclear@1: 
nuclear@4: 		gen_box(&tmp, WALL_THICKNESS, WALL_HEIGHT, VSIZE + WALL_THICKNESS * 2);
nuclear@4: 		xform.set_translation(Vector3((HSIZE + WALL_THICKNESS) / 2.0,
nuclear@4: 					WALL_HEIGHT / 2.0 - BOT_THICKNESS, 0));
nuclear@4: 		tmp.apply_xform(xform);
nuclear@4: 		sides->append(tmp);
nuclear@4: 		tmp.clear();
nuclear@1: 
nuclear@4: 		gen_box(&tmp, HSIZE, WALL_HEIGHT, WALL_THICKNESS);
nuclear@4: 		xform.set_translation(Vector3(0, WALL_HEIGHT / 2.0 - BOT_THICKNESS,
nuclear@4: 					(VSIZE + WALL_THICKNESS) / 2.0));
nuclear@4: 		tmp.apply_xform(xform);
nuclear@4: 		sides->append(tmp);
nuclear@4: 		tmp.clear();
nuclear@1: 
nuclear@4: 		gen_box(&tmp, HSIZE, WALL_HEIGHT, WALL_THICKNESS);
nuclear@4: 		xform.set_translation(Vector3(0, WALL_HEIGHT / 2.0 - BOT_THICKNESS,
nuclear@4: 					-(VSIZE + WALL_THICKNESS) / 2.0));
nuclear@4: 		tmp.apply_xform(xform);
nuclear@4: 		sides->append(tmp);
nuclear@4: 		tmp.clear();
nuclear@4: 
nuclear@4: 		Object *osides = new Object;
nuclear@4: 		osides->set_mesh(sides);
nuclear@4: 		osides->xform() = obottom->xform();
nuclear@4: 		obj.push_back(osides);
nuclear@4: 
nuclear@4: 	}
nuclear@2: 
nuclear@2: 
nuclear@1: 	// generate the hinges
nuclear@1: 	Mesh *hinges = new Mesh;
nuclear@1: 	gen_cylinder(hinges, HINGE_RAD, HINGE_HEIGHT, 10, 1, 1);
nuclear@4: 	xform.reset_identity();
nuclear@4: 	xform.translate(Vector3(0, WALL_HEIGHT - HINGE_RAD * 0.5, VSIZE / 4.0));
nuclear@4: 	xform.rotate(Vector3(M_PI / 2.0, 0, 0));
nuclear@1: 	hinges->apply_xform(xform);
nuclear@1: 
nuclear@1: 	gen_cylinder(&tmp, HINGE_RAD, HINGE_HEIGHT, 10, 1, 1);
nuclear@4: 	xform.reset_identity();
nuclear@4: 	xform.translate(Vector3(0, WALL_HEIGHT - HINGE_RAD * 0.5, -VSIZE / 4.0));
nuclear@4: 	xform.rotate(Vector3(M_PI / 2.0, 0, 0));
nuclear@1: 	tmp.apply_xform(xform);
nuclear@1: 
nuclear@1: 	hinges->append(tmp);
nuclear@1: 
nuclear@2: 	Object *ohinges = new Object;
nuclear@2: 	ohinges->set_mesh(hinges);
nuclear@2: 	obj.push_back(ohinges);
nuclear@1: 
nuclear@2: 
nuclear@1: 	return true;
nuclear@0: }
nuclear@4: 
nuclear@4: static bool spike(float x, float y)
nuclear@4: {
nuclear@4: 	x = fmod(x * 5.0, 1.0);
nuclear@4: 	return y < (x < 0.5 ? 2.0 * x : 2.0 - 2.0 * x);
nuclear@4: }
nuclear@4: 
nuclear@4: static bool circle(float x, float y, float rad)
nuclear@4: {
nuclear@4: 	x = fmod(x * 5.0, 1.0) - 0.5;
nuclear@4: 	y = (y - 0.65) * 5.0;
nuclear@4: 	float len = sqrt(x * x + y * y);
nuclear@4: 	return len < rad;
nuclear@4: }
nuclear@4: 
nuclear@4: static bool diamond(float x, float y)
nuclear@4: {
nuclear@4: 	return y >= (1.0 - (x < 0.5 ? 2.0 * x : 2.0 - 2.0 * x)) * 0.3333333 + 0.88;
nuclear@4: }
nuclear@4: 
nuclear@4: static bool center_circle(float x, float y, float rad)
nuclear@4: {
nuclear@4: 	x = x - 0.5;
nuclear@4: 	y = 1.0 - y;
nuclear@4: 	return sqrt(x * x + y * y) < rad;
nuclear@4: }
nuclear@4: 
nuclear@4: bool Board::generate_textures()
nuclear@4: {
nuclear@4: 	const int xsz = 512;
nuclear@4: 	const int ysz = 1024;
nuclear@4: 
nuclear@4: 	img_field.create(xsz, ysz);
nuclear@4: 	clear_image(&img_field, 0, 0, 0);
nuclear@4: 
nuclear@4: 	unsigned char *pptr = img_field.pixels;
nuclear@4: 
nuclear@4: 	for(int i=0; i<ysz; i++) {
nuclear@4: 		float v = (float)i / (float)ysz;
nuclear@4: 
nuclear@4: 		for(int j=0; j<xsz; j++) {
nuclear@4: 			float u = (float)j / (float)xsz;
nuclear@4: 
nuclear@4: 			int r = 0, g = 0, b = 0;
nuclear@4: 
nuclear@4: 			float x = u;
nuclear@4: 			float y = v < 0.5 ? v * 2.0 : 2.0 - v * 2.0;
nuclear@4: 			bool inside = false;
nuclear@4: 
nuclear@4: 			inside |= (spike(x, y + 0.33333) && !spike(x, y + 0.4)) ||
nuclear@4: 				(spike(x, y + 0.5) && !spike(x, y + 0.68));
nuclear@4: 			inside |= (circle(x, y, 0.12) && !circle(x, y, 0.1)) || circle(x, y, 0.06);
nuclear@4: 			inside |= (diamond(x, y) && !diamond(x, y - 0.015)) ||
nuclear@4: 				(diamond(x, y - 0.023) && !diamond(x, y - 0.028));
nuclear@4: 			inside |= center_circle(x, y, 0.03);
nuclear@4: 
nuclear@4: 			if(inside) {
nuclear@4: 				r = g = b = 255;
nuclear@4: 			}
nuclear@4: 
nuclear@4: 			pptr[0] = r;
nuclear@4: 			pptr[1] = g;
nuclear@4: 			pptr[2] = b;
nuclear@4: 			pptr += 3;
nuclear@4: 		}
nuclear@4: 	}
nuclear@4: 
nuclear@4: 	img_field.texture();
nuclear@4: 	return true;
nuclear@4: }