panning

README.md

@@ -25,10 +25,11 @@ $ ./kubo
 * wall rendering
 * scene file management
 * basic command framework
+* pan (teseting needed)
 
 ### In progress
 
-* pan
+* fix scene load active wall bug
 
 ### TODO
 

kubo_context.c

@@ -25,6 +25,8 @@ static const struct kubo_context_state_data kubo_context_states[] = {
     {.id = KUBO_CONTEXT_WALL_SELECT, .label = "Wall Select", .color = BLUE}};
 
 static inline void wall_select_refresh(struct kubo_context *context);
+static void select_next_wall(struct kubo_context *context);
+static void select_prev_wall(struct kubo_context *context);
 
 void kubo_context_init(struct kubo_context *context) {
     if (!context) {
@@ -36,6 +38,9 @@ void kubo_context_init(struct kubo_context *context) {
     context->exit_pending = false;
 
     context->state = kubo_context_states[KUBO_CONTEXT_NORMAL];
+
+    context->offset_x = 0;
+    context->offset_y = 0;
 }
 
 void kubo_context_cleanup(struct kubo_context *context) {
@@ -95,12 +100,63 @@ void kubo_context_delete_wall(struct kubo_context *context) {
     }
 
     kubo_wall_arr_del(&context->walls, context->wall_select_index);
-    kubo_context_select_next_wall(context);
+    select_next_wall(context);
 }
 
-void kubo_context_select_next_wall(struct kubo_context *context) {
-    if (context->state.id != KUBO_CONTEXT_WALL_SELECT ||
-        !context->walls.count) {
+void kubo_context_input_up(struct kubo_context *context) {
+    switch (context->state.id) {
+    case KUBO_CONTEXT_NORMAL:
+        context->offset_y -= KUBO_CONTEXT_OFFSET_JMP;
+        break;
+    case KUBO_CONTEXT_WALL_SELECT:
+        select_next_wall(context);
+        break;
+    default:
+        break;
+    }
+}
+
+void kubo_context_input_down(struct kubo_context *context) {
+    switch (context->state.id) {
+    case KUBO_CONTEXT_NORMAL:
+        context->offset_y += KUBO_CONTEXT_OFFSET_JMP;
+        break;
+    case KUBO_CONTEXT_WALL_SELECT:
+        select_prev_wall(context);
+        break;
+    default:
+        break;
+    }
+}
+
+void kubo_context_input_left(struct kubo_context *context) {
+    switch (context->state.id) {
+    case KUBO_CONTEXT_NORMAL:
+        context->offset_x -= KUBO_CONTEXT_OFFSET_JMP;
+        break;
+    case KUBO_CONTEXT_WALL_SELECT:
+        select_prev_wall(context);
+        break;
+    default:
+        break;
+    }
+}
+
+void kubo_context_input_right(struct kubo_context *context) {
+    switch (context->state.id) {
+    case KUBO_CONTEXT_NORMAL:
+        context->offset_x += KUBO_CONTEXT_OFFSET_JMP;
+        break;
+    case KUBO_CONTEXT_WALL_SELECT:
+        select_next_wall(context);
+        break;
+    default:
+        break;
+    }
+}
+
+static void select_next_wall(struct kubo_context *context) {
+    if (!context->walls.count) {
         return;
     }
 
@@ -110,7 +166,7 @@ void kubo_context_select_next_wall(struct kubo_context *context) {
     wall_select_refresh(context);
 }
 
-void kubo_context_select_prev_wall(struct kubo_context *context) {
+static void select_prev_wall(struct kubo_context *context) {
     if (context->state.id != KUBO_CONTEXT_WALL_SELECT ||
         !context->walls.count) {
         return;

kubo_context.h

@@ -27,6 +27,8 @@
 #include "kubo_dynarray.h"
 #include "kubo_wall.h"
 
+#define KUBO_CONTEXT_OFFSET_JMP 100
+
 KUBO_DYNARRAY_REGISTER(kubo_wall_arr, struct kubo_wall *)
 
 enum kubo_context_state {
@@ -49,6 +51,9 @@ struct kubo_context {
     struct kubo_wall_arr walls;
     struct kubo_context_state_data state;
 
+    int offset_x;
+    int offset_y;
+
     // KUBO_CONTEXT_WALL_SELECT
     size_t wall_select_index;
 };
@@ -64,7 +69,9 @@ void kubo_context_accept_cmd(struct kubo_context *context);
 struct kubo_wall *kubo_context_get_pending_wall(struct kubo_context *context);
 void kubo_context_delete_wall(struct kubo_context *context);
 
-void kubo_context_select_next_wall(struct kubo_context *context);
-void kubo_context_select_prev_wall(struct kubo_context *context);
+void kubo_context_input_up(struct kubo_context *context);
+void kubo_context_input_down(struct kubo_context *context);
+void kubo_context_input_left(struct kubo_context *context);
+void kubo_context_input_right(struct kubo_context *context);
 
 #endif

kubo_input.c

@@ -51,21 +51,28 @@ static void key_input(struct kubo_context *context) {
         break;
 
     case KEY_RIGHT:
-    case KEY_UP:
     case KEY_L:
+        kubo_context_input_right(context);
+        break;
+
+    case KEY_UP:
     case KEY_K:
-        kubo_context_select_next_wall(context);
+        kubo_context_input_up(context);
         break;
 
     case KEY_LEFT:
+    case KEY_H:
+        kubo_context_input_left(context);
+        break;
+
     case KEY_DOWN:
     case KEY_J:
-    case KEY_H:
-        kubo_context_select_prev_wall(context);
+        kubo_context_input_down(context);
         break;
 
     case KEY_X:
         kubo_context_delete_wall(context);
+        break;
 
     default:
         break;

kubo_wall.c

@@ -40,18 +40,29 @@ Vector2 kubo_wall_get_vertex(struct kubo_wall *wall, size_t index) {
     return kubo_vector2_arr_get(&wall->vertices, index);
 }
 
-void kubo_wall_render(struct kubo_wall *wall, bool select) {
-
+void kubo_wall_render(struct kubo_wall *wall, bool select, int offset_x,
+                      int offset_y) {
     Color wall_color =
         (select && wall->state == KUBO_WALL_SELECTED) ? BLUE : BLACK;
 
-    DrawSplineLinear(wall->vertices.data, wall->vertices.count, 10.f,
-                     wall_color);
+    Vector2 *points = malloc(sizeof(Vector2) * wall->vertices.count);
+
+    for (size_t i = 0; i < wall->vertices.count; i++) {
+
+        points[i] = kubo_vector2_arr_get(&wall->vertices, i);
+
+        points[i].x += offset_x;
+        points[i].y += offset_y;
+    }
+
+    DrawSplineLinear(points, wall->vertices.count, 10.f, wall_color);
 
     if (wall->state == KUBO_WALL_DRAWING) {
         Vector2 mouse = GetMousePosition();
-        Vector2 points[] = {wall->vertices.data[wall->vertices.count - 1],
-                            mouse};
-        DrawSplineLinear(points, 2, 10.f, wall_color);
+        Vector2 mouse_points[] = {points[wall->vertices.count - 1], mouse};
+
+        DrawSplineLinear(mouse_points, 2, 10.f, wall_color);
     }
+
+    free(points);
 }

kubo_wall.h

@@ -19,8 +19,9 @@
 #ifndef KUBO_WALL_H
 #define KUBO_WALL_H
 
-#include <stdlib.h>
 #include <raylib.h>
+#include <stdio.h>
+#include <stdlib.h>
 
 #include "kubo_dynarray.h"
 
@@ -46,7 +47,7 @@ void kubo_wall_cleanup(struct kubo_wall *wall);
 bool kubo_wall_add_vertex(struct kubo_wall *wall, Vector2 vec);
 Vector2 kubo_wall_get_vertex(struct kubo_wall *wall, size_t index);
 
-void kubo_wall_render(struct kubo_wall *wall, bool select);
+void kubo_wall_render(struct kubo_wall *wall, bool select, int offset_x,
+                      int offset_y);
 
 #endif
-

kubo_window.c

@@ -58,7 +58,8 @@ static void window_render(struct kubo_context *context) {
         struct kubo_wall *wall = kubo_wall_arr_get(&context->walls, i);
         assert(wall != NULL);
 
-        kubo_wall_render(wall, context->state.id == KUBO_CONTEXT_WALL_SELECT);
+        kubo_wall_render(wall, context->state.id == KUBO_CONTEXT_WALL_SELECT,
+                         context->offset_x, context->offset_y);
     }
 
     kubo_bar_render(context);
@@ -99,6 +100,8 @@ static void new_wall_click(struct kubo_context *context) {
 
     int bar_limit = GetScreenHeight() - KUBO_BAR_HEIGHT;
     Vector2 new_pos = GetMousePosition();
+    new_pos.x -= context->offset_x;
+    new_pos.y -= context->offset_y;
     if (new_pos.y < bar_limit) {
         kubo_wall_add_vertex(current_wall, new_pos);
         current_wall->state = KUBO_WALL_DRAWING;

scene.yaml

@@ -1,11 +1,31 @@
 walls:
-  - vertices:
-    - [100, 100]
-    - [100, 200]
-  - vertices:
-    - [100, 300]
-    - [100, 500]
-    - [200, 500]
-  - vertices:
-    - [300, 300]
-    - [500, 500]
+- vertices:
+  - - 100
+    - 100
+  - - 100
+    - 200
+- vertices:
+  - - 100
+    - 300
+  - - 100
+    - 500
+  - - 200
+    - 500
+- vertices:
+  - - 300
+    - 300
+  - - 500
+    - 500
+  - - 594
+    - 420
+- vertices:
+  - - 589
+    - 276
+  - - 710
+    - 366
+  - - 616
+    - 453
+  - - 729
+    - 493
+  - - 644
+    - 594