X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=main.c;h=258cbd52c37dd1908df2c2b538316471aa35e962;hb=HEAD;hp=07e67c309bbc6f6dc2227a6ac85af863c748ec88;hpb=3266468aa891bea6bda03f64ecba7da2a29d09c3;p=meshfrac

diff --git a/main.c b/main.c
index 07e67c3..258cbd5 100644
--- a/main.c
+++ b/main.c
@@ -6,7 +6,9 @@
 #include <cgmath/cgmath.h>
 #include "cmesh.h"
 #include "meshgen.h"
+#include "frac.h"
 #include "sdr.h"
+#include "dynarr.h"
 
 static const char *vsdr_src =
 	"varying vec3 v_norm, v_ldir, v_vdir;\n"
@@ -50,9 +52,16 @@ static float proj_mat[16], view_mat[16];
 static int bnstate[8];
 static int mx, my;
 
+static struct fracture frac;
 static struct cmesh *mesh;
 static unsigned int sdr;
 
+static int cur, pending;
+static int show_orig = 1;
+static int show_points, show_planes, show_shell;
+static int cur_cell;
+
+
 int main(int argc, char **argv)
 {
 	glutInit(&argc, argv);
@@ -106,10 +115,22 @@ static int init(void)
 	glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, specular);
 	glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 60);
 
-	bind_program(sdr);
-
 	mesh = cmesh_alloc();
-	gen_torus(mesh, 2, 0.8, 24, 12, 1, 1);
+	//gen_torus(mesh, 2, 0.8, 24, 12, 1, 1);
+	//gen_sphere(mesh, 2, 12, 6, 1, 1);
+	gen_box(mesh, 2, 2, 2, 0, 0);
+
+	if(frac_init(&frac) == -1) {
+		return -1;
+	}
+	frac_mesh(&frac, mesh);
+	frac.cell_gap = 0.1;
+
+	//frac_gen_points(&frac, 16);
+	frac_point(&frac, -5, 0, 0);
+	frac_point(&frac, 5, 0, 0);
+	show_points = 1;
+	cur = 1;
 
 	return 0;
 }
@@ -120,8 +141,64 @@ static void cleanup(void)
 	free_program(sdr);
 }
 
+static void update(void)
+{
+	if(pending > cur) {
+		switch(cur) {
+		case 0:
+			printf("Generate points...\n");
+			if(frac_gen_points(&frac, 2) != -1) {
+				cur++;
+			} else {
+				pending = cur;
+			}
+			show_points = 1;
+			break;
+
+		case 1:
+			printf("Build cells...\n");
+			if(frac_build_cells(&frac) != -1) {
+				cur++;
+			} else {
+				pending = cur;
+			}
+			show_planes = 1;
+			break;
+
+		case 2:
+			printf("Construct shell...\n");
+			if(frac_build_shell(&frac) != -1) {
+				cur++;
+			} else {
+				pending = cur;
+			}
+			show_orig = 0;
+			show_shell = 1;
+			break;
+
+		case 3:
+			printf("Construct walls...\n");
+			if(frac_build_walls(&frac) != -1) {
+				cur++;
+			} else {
+				pending = cur;
+			}
+			break;
+
+		default:
+			break;
+		}
+		if(pending > cur) glutPostRedisplay();
+	}
+}
+
 static void display(void)
 {
+	int i, j, num;
+	struct poly *poly;
+
+	update();
+
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
 	cgm_mtranslation(view_mat, 0, 0, -view_dist);
@@ -131,7 +208,61 @@ static void display(void)
 	glMatrixMode(GL_MODELVIEW);
 	glLoadMatrixf(view_mat);
 
-	cmesh_draw(mesh);
+	bind_program(0);
+	glShadeModel(GL_FLAT);
+
+	if(show_orig) {
+		//bind_program(sdr);
+		cmesh_draw(mesh);
+		bind_program(0);
+	}
+	if(show_points) {
+		num = frac_num_cells(&frac);
+
+		glPushAttrib(GL_ENABLE_BIT);
+		glDisable(GL_LIGHTING);
+		glDisable(GL_DEPTH_TEST);
+		glEnable(GL_BLEND);
+		glBlendFunc(GL_ONE, GL_ONE);
+
+		glPointSize(2.0f);
+		glBegin(GL_POINTS);
+		for(i=0; i<num; i++) {
+			if(cur_cell == i) {
+				glColor3f(0.8, 1, 0.1);
+			} else {
+				glColor3f(0.1, 0.8, 0.1);
+			}
+			glVertex3fv(&frac.cells[i].pt.x);
+		}
+		glEnd();
+
+		glPopAttrib();
+	}
+
+	if(show_planes) {
+		glPushAttrib(GL_ENABLE_BIT);
+		glDisable(GL_LIGHTING);
+
+		poly = frac.cells[cur_cell].polys;
+		for(i=0; i<frac.cells[cur_cell].num_polys; i++) {
+			glBegin(GL_LINE_LOOP);
+			glColor3f(0.5, 0.5, 0);
+			for(j=0; j<dynarr_size(poly->verts); j++) {
+				glVertex3fv(&poly->verts[j].pos.x);
+			}
+			glEnd();
+			poly++;
+		}
+
+		glPopAttrib();
+	}
+
+	if(show_shell) {
+		//bind_program(sdr);
+		cmesh_draw(frac.cells[cur_cell].mesh);
+		bind_program(0);
+	}
 
 	assert(glGetError() == GL_NO_ERROR);
 	glutSwapBuffers();
@@ -150,9 +281,49 @@ static void reshape(int x, int y)
 
 static void keydown(unsigned char key, int x, int y)
 {
+	int n;
+
 	switch(key) {
 	case 27:
 		exit(0);
+
+	case 'o':
+		show_orig ^= 1;
+		glutPostRedisplay();
+		break;
+
+	case 'p':
+		show_points ^= 1;
+		glutPostRedisplay();
+		break;
+
+	case 'P':
+		show_planes ^= 1;
+		glutPostRedisplay();
+		break;
+
+	case ']':
+		cur_cell = (cur_cell + 1) % frac_num_cells(&frac);
+		printf("current cell: %d\n", cur_cell);
+		glutPostRedisplay();
+		break;
+
+	case '[':
+		if(--cur_cell < 0) {
+			cur_cell = frac_num_cells(&frac) - 1;
+			printf("current cell: %d\n", cur_cell);
+			glutPostRedisplay();
+		}
+		break;
+
+	default:
+		if(key >= '1' && key <= '4') {
+			n = key - '0';
+			if(cur < n) {
+				pending = n;
+				glutPostRedisplay();
+			}
+		}
 	}
 }