Merge branch 'USB' of github.com:klaute/Cthn.de-MiniLEDCube into USB

editor/Makefile

@@ -12,6 +12,7 @@ all:
 
 	$(CC) $(CFLAGS) $(LIBS) -o ledcube-edit main.o display.o input.o
 	chmod +x ledcube-edit
+	strip ledcube-edit
 
 clean:
 	rm -f *.o

editor/src/config.h

@@ -10,8 +10,12 @@
 
 #define PI            3.1415926535897932
 
-#define TOP_ORIENTATION  1
-#define SIDE_ORIENTATION 2
+// Poor Man's enums
+#define TOP_ORIENTATION   0x01
+#define SIDE_ORIENTATION  0x02
+
+#define RENDER_MODE       0x01
+#define PICKING_MODE      0x02
 
 // Materials
 extern float ledOnMaterial[];
@@ -22,9 +26,13 @@ extern float innerWireMaterial[];
 // Movement
 extern float lookX, lookZ;
 extern float eyePos, eyeAngle;
+extern int ledOrientation;
 
 // Objects
 extern GLUquadricObj *quadric;
 
+// LED data
+extern int currentFrame[27];
+
 #endif
 

editor/src/display.c

@@ -5,21 +5,23 @@
 #include "display.h"
 
 
-void drawLEDCube(orientation) {
+void drawLEDs(int mode) {
   int x, y, z;
+  int ledIndex = 0;
 
-  if (orientation == TOP_ORIENTATION) {
+  if (ledOrientation == TOP_ORIENTATION) {
     glRotatef(90, 2, 0, 0);
   }
 
-  // LEDs
-  glMaterialfv(GL_FRONT, GL_AMBIENT, ledOnMaterial);
   for (z=-10; z<=10; z+=10) // Ebene
     for (y=-10; y<=10; y+=10) // Zeile
       for (x=-10; x<=10; x+=10) { // Spalte
-
-        // TODO: Test different colors
-        glMaterialfv(GL_FRONT, GL_AMBIENT, (z == 0 ? ledOnMaterial : ledOffMaterial));
+        ledIndex++;
+        if (mode == PICKING_MODE) {
+          glColor3ub(0, 0, ledIndex*8);
+        } else {
+          glMaterialfv(GL_FRONT, GL_AMBIENT, (currentFrame[ledIndex-1] == 1 ? ledOnMaterial : ledOffMaterial));
+        }
 
         glPushMatrix();
         glTranslatef(x, y, z-0.8);
@@ -35,8 +37,10 @@ void drawLEDCube(orientation) {
 
         glPopMatrix();
       }
+}
 
-  // Wires
+void drawWires() {
+  int x, y;
   for (y=-10; y<=10; y+=10)
     for (x=-10; x<=10; x+=10) {
       glMaterialfv(GL_FRONT, GL_AMBIENT, ((x == 0 || y == 0) ? innerWireMaterial : wireMaterial));
@@ -61,9 +65,8 @@ void drawLEDCube(orientation) {
     }
 }
 
-void display() {
+void setScene() {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
   glMatrixMode(GL_PROJECTION);
   glLoadIdentity();
   gluPerspective(ZOOM_LEVEL, WINDOW_WIDTH/WINDOW_HEIGHT, 1.0, 350.0);
@@ -71,8 +74,25 @@ void display() {
   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();
   gluLookAt(lookX, eyeAngle, lookZ, 0, 0, 0, 0, 1, 0);
+}
 
-  drawLEDCube(TOP_ORIENTATION);
+// OpenGL Display function
+void display() {
+  setScene();
+  drawLEDs(RENDER_MODE);
+  drawWires();
   glutSwapBuffers();
 }
 
+// Picking function
+void displayPickingObjects() {
+  setScene();
+  glDisable(GL_DITHER);
+  glDisable(GL_LIGHTING);
+
+  drawLEDs(PICKING_MODE);
+
+  glEnable(GL_LIGHTING);
+  glEnable(GL_DITHER);
+}
+

editor/src/display.h

@@ -2,8 +2,13 @@
 #define _DISPLAY_H
 
 
-void drawLEDCube();
+void drawLEDs(int mode);
+void drawWires();
+
 void display();
+void displayPickingObjects();
+
+void setScene();
 
 #endif
 

editor/src/input.c

@@ -4,6 +4,8 @@
 
 #include "config.h"
 #include "input.h"
+#include "display.h"
+
 
 void moveCameraPosition(float direction) {
   eyePos += direction;
@@ -46,3 +48,22 @@ void keyboard_special(int key, int x, int y) {
   glutPostRedisplay();
 }
 
+void mouse(int button, int state, int x, int y) {
+  if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN) {
+    int position, viewport[4];
+    GLubyte pixel[3];
+
+    displayPickingObjects();
+
+    glGetIntegerv(GL_VIEWPORT, viewport);
+    glReadPixels(x, viewport[3]-y, 1, 1, GL_RGB, GL_UNSIGNED_BYTE, (void*)pixel);
+    position = ((int)pixel[2]/8)-1; // Selected LED
+
+    printf("%d\n", position);
+    currentFrame[position] = currentFrame[position] == 0 ? 1 : 0;
+    printf("%d\n", currentFrame[position]);
+
+    display();
+  }
+}
+

editor/src/input.h

@@ -7,5 +7,7 @@ void moveCameraAngle(float angle);
 void keyboard(unsigned char key, int x, int y);
 void keyboard_special(int key, int x, int y);
 
+void mouse(int button, int state, int x, int y);
+
 #endif
 

editor/src/main.c

@@ -1,4 +1,3 @@
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <glut.h>
@@ -7,32 +6,40 @@
 #include "display.h"
 #include "input.h"
 
+
+// Materials
 float ledOnMaterial[] = {0.0, 0.0, 1.0, 1.0};
 float ledOffMaterial[] = {0.1, 0.1, 0.1, 0.0};
-
 float wireMaterial[] = {0.7, 0.7, 0.7, 1.0};
 float innerWireMaterial[] = {0.2, 0.2, 0.2, 0.3};
 
+// Colors
 float backgroundColor[] = {0.3, 0.3, 0.3, 0.4};
-float light0Pos[] = {70, 70, 70, 0.0};
 
+// Positions
+float light0Pos[] = {70, 70, 70, 0.0};
 float lookX = 0.0, lookZ = 0.0;
 float eyePos = 0.0, eyeAngle = 45.0;
+int ledOrientation = TOP_ORIENTATION;
 
+// Objects
 GLUquadricObj *quadric;
 
-extern void moveCameraPosition(float direction);
+// LED data
+int currentFrame[27] = {0};
+
 
 int main(int argc, char* argv[]) {
   glutInit(&argc, argv);
 
   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
   glutInitWindowSize(WINDOW_WIDTH, WINDOW_HEIGHT);
-  glutCreateWindow("CTHN LEDCube Editor");
+  glutCreateWindow("CTHN LEDCube Editor v0.1");
 
   glutDisplayFunc(display);
   glutKeyboardFunc(keyboard);
   glutSpecialFunc(keyboard_special);
+  glutMouseFunc(mouse);
 
   glClearColor(0.0, 0.0, 0.0, 1.0);
   glShadeModel(GL_SMOOTH);