X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=meshfrac;a=blobdiff_plain;f=main.c;h=2218f4519746e4ebc0ec3c91027f43e6b160bd01;hp=724fd70e5c1394e14183e68c5e698bdf978d4d5b;hb=47382e57c60544c263e6822ea8d76025c758c7b2;hpb=82bf18c392447827912146ba65145500c9c25385

diff --git a/main.c b/main.c
index 724fd70..2218f45 100644
--- a/main.c
+++ b/main.c
@@ -8,6 +8,7 @@
 #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"
@@ -57,7 +58,8 @@ static unsigned int sdr;
 
 static int cur, pending;
 static int show_orig = 1;
-static int show_points;
+static int show_points, show_planes, show_shell;
+static int cur_cell;
 
 
 int main(int argc, char **argv)
@@ -135,7 +137,8 @@ static void update(void)
 	if(pending > cur) {
 		switch(cur) {
 		case 0:
-			if(frac_gen_points(&frac, 16) == -1) {
+			printf("Generate points...\n");
+			if(frac_gen_points(&frac, 16) != -1) {
 				cur++;
 			} else {
 				pending = cur;
@@ -144,22 +147,28 @@ static void update(void)
 			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 {
@@ -176,7 +185,8 @@ static void update(void)
 
 static void display(void)
 {
-	int i, num;
+	int i, j, num;
+	struct poly *poly;
 
 	update();
 
@@ -198,15 +208,19 @@ static void display(void)
 		bind_program(0);
 
 		glPushAttrib(GL_ENABLE_BIT);
-		glDisable(GL_DEPTH_TEST);
 		glDisable(GL_LIGHTING);
+		glDisable(GL_DEPTH_TEST);
 		glEnable(GL_BLEND);
 		glBlendFunc(GL_ONE, GL_ONE);
 
 		glPointSize(2.0f);
 		glBegin(GL_POINTS);
-		glColor3f(0.1, 0.8, 0.1);
 		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();
@@ -214,6 +228,31 @@ static void display(void)
 		glPopAttrib();
 	}
 
+	if(show_planes) {
+		bind_program(0);
+
+		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);
+	}
+
 	assert(glGetError() == GL_NO_ERROR);
 	glutSwapBuffers();
 }
@@ -247,6 +286,25 @@ static void keydown(unsigned char key, int x, int y)
 		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';