1 files changed, 47 insertions, 7 deletions

diff --git a/height-map-display/src/main.c b/height-map-display/src/main.c
index 19c5c2b..aeb599d 100644
--- a/height-map-display/src/main.c
+++ b/height-map-display/src/main.c
@@ -82,12 +82,43 @@ void renderHeightMap(Square **squares) {
     // draw grid
     logger("Init grid...");
     if (draw_grid) {
-        glColor3f(0.0f, 0.0f, 0.0f);
+
+        for (int x = 0; x <= MAP_WIDTH - 2; x++) {
+            for (int y = 0; y < MAP_HEIGHT - 2; y++) {
+                if (squares[x][y].selected) { 
+
+                    glColor3f(1.0f, 1.0f, 0.0f);
+                    glLineWidth(3.0f);
+                    glBegin(GL_LINES);
+
+                    // Top edge
+                    glVertex3f(x, squares[x][y].node_tl->elevation * scale_factor, y);
+                    glVertex3f(x + 1, squares[x][y].node_tr->elevation * scale_factor, y);
+
+                    // Bottom edge
+                    glVertex3f(x, squares[x][y].node_bl->elevation * scale_factor, y + 1);
+                    glVertex3f(x + 1, squares[x][y].node_br->elevation * scale_factor, y + 1);
+
+                    // Left edge
+                    glVertex3f(x, squares[x][y].node_tl->elevation * scale_factor, y);
+                    glVertex3f(x, squares[x][y].node_bl->elevation * scale_factor, y + 1);
+
+                    // Right edge
+                    glVertex3f(x + 1, squares[x][y].node_tr->elevation * scale_factor, y);
+                    glVertex3f(x + 1, squares[x][y].node_br->elevation * scale_factor, y + 1);
+
+                    glEnd();
+                }
+            }
+        }
+
         glLineWidth(3.0f);
         glBegin(GL_LINES);
+        glColor3f(0.0f, 0.0f, 0.0f);
 
         for (int x = 0; x <= MAP_WIDTH - 2; x++) {
             for (int y = 0; y < MAP_HEIGHT - 2; y++) {
+                if (squares[x][y].selected) { continue; }
                 glVertex3f(x, squares[x][y].node_tl->elevation * scale_factor, y);
                 glVertex3f(x, squares[x][y + 1].node_tl->elevation * scale_factor, y + 1);
             }
@@ -95,16 +126,17 @@ void renderHeightMap(Square **squares) {
 
         for (int y = 0; y <= MAP_HEIGHT - 2; y++) {
             for (int x = 0; x < MAP_WIDTH - 2; x++) {
+                if (squares[x][y].selected) { continue; }
                 glVertex3f(x, squares[x][y].node_tl->elevation * scale_factor, y);
                 glVertex3f(x + 1, squares[x + 1][y].node_tl->elevation * scale_factor, y);
             }
         }
 
+        logger("Init end...");
+        glEnd();
         // TODO: Draw final column of grid manually
     }
 
-    logger("Init end...");
-    glEnd();
 }
 
 // Function to initialize nodes
@@ -118,6 +150,7 @@ Node*** initialize_nodes(int X, int Y) {
             nodes[i][j]->x = i;
             nodes[i][j]->y = j;
             nodes[i][j]->elevation = 0.0f;
+            nodes[i][j]->selected = false;
         }
     }
     return nodes;
@@ -135,6 +168,7 @@ Square** initialize_squares(Node ***nodes, int X, int Y) {
             squares[i][j].node_bl = nodes[i][j+1];
             squares[i][j].node_br = nodes[i+1][j+1];
             squares[i][j].terrain = TERRAIN_ROUGH;
+            squares[i][j].selected = false;
         }
     }
     return squares;
@@ -181,13 +215,18 @@ void process_input(GLFWwindow* window, Square* square) {
         square->terrain = TERRAIN_FAIRWAY;
     if (glfwGetKey(window, GLFW_KEY_J) == GLFW_PRESS)
         square->terrain = TERRAIN_ROUGH;
+    if (glfwGetKey(window, GLFW_KEY_Q) == GLFW_PRESS)
+        camera_yaw -= yaw_speed;
+    if (glfwGetKey(window, GLFW_KEY_E) == GLFW_PRESS)
+        camera_yaw += yaw_speed;
+
     if (glfwGetKey(window, GLFW_KEY_UP) == GLFW_PRESS)
-        camera_pitch += pitch_speed;
+        camera_yaw += yaw_speed;
     if (glfwGetKey(window, GLFW_KEY_DOWN) == GLFW_PRESS)
-        camera_pitch -= pitch_speed;
+        camera_yaw += yaw_speed;
     if (glfwGetKey(window, GLFW_KEY_LEFT) == GLFW_PRESS)
-        camera_yaw -= yaw_speed;
-    if (glfwGetKey(window, GLFW_KEY_RIGHT) == GLFW_PRESS)
+        camera_yaw += yaw_speed;
+    if (glfwGetKey(window, GLFW_KEY_DOWN) == GLFW_PRESS)
         camera_yaw += yaw_speed;
 }
 
@@ -236,6 +275,7 @@ int main(int argc, char *argv[]) {
     change_square_terrain(&squares[1][5], TERRAIN_FAIRWAY);
     change_square_terrain(&squares[1][4], TERRAIN_FAIRWAY);
     change_square_terrain(&squares[1][3], TERRAIN_GREEN);
+    squares[3][3].selected = true;
 
     while (!glfwWindowShouldClose(window)) {
         logger("Processing input...");